WO2019028707A1 - Communication method, terminal device and network device - Google Patents

Communication method, terminal device and network device Download PDF

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Publication number
WO2019028707A1
WO2019028707A1 PCT/CN2017/096667 CN2017096667W WO2019028707A1 WO 2019028707 A1 WO2019028707 A1 WO 2019028707A1 CN 2017096667 W CN2017096667 W CN 2017096667W WO 2019028707 A1 WO2019028707 A1 WO 2019028707A1
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WIPO (PCT)
Prior art keywords
time
resource location
frequency resource
terminal device
cell
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PCT/CN2017/096667
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French (fr)
Chinese (zh)
Inventor
赵雅琪
周国华
吴亮
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华为技术有限公司
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Priority to PCT/CN2017/096667 priority Critical patent/WO2019028707A1/en
Publication of WO2019028707A1 publication Critical patent/WO2019028707A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling

Definitions

  • the present application relates to the field of communications, and more particularly to communication methods, terminal devices, and network devices.
  • the network device sends a control channel to the UAV device of a certain cell on the full bandwidth of the control area, and the network device or other adjacent network device also transmits the full bandwidth of the control area to other cells.
  • the terminal device sends the control channel, so that the drone device receives the control channel from interference, thereby affecting the correct demodulation of the control channel by the drone device.
  • the present application provides a communication method, a terminal device, and a network device, which can avoid interference received by a control channel and improve the accuracy of a demodulated control channel.
  • a communication method is provided, the communication method being applied to a communication system including at least one network device and a terminal device, the at least one network device covering a plurality of cells, the communication method comprising: the terminal device determining the terminal The first time-frequency resource location of the control channel corresponding to the first cell to which the device belongs in the data region, and the time domain resource location of the time-frequency resource location of the control channel corresponding to each cell of the multiple cells in the data region And the frequency domain resource location is different from each other; the terminal device receives the control channel corresponding to the first cell at the first time-frequency resource location.
  • the terminal device Determining, by the terminal device, a first time-frequency resource location of the control channel corresponding to the first cell to which the terminal device belongs in the data region, and the time domain resource location of the control channel corresponding to each cell of the multiple cells in the data region And the frequency domain resource location is different from each other, and the terminal device receives the control channel corresponding to the first cell at the first time-frequency resource location, so that the terminal device receiving the control channel is not interfered by the control channel sent by other cells, thereby improving
  • the terminal device demodulates the accuracy of the control channel.
  • the communication method further includes: the terminal device receiving the broadcast information; and determining, by the terminal device, the first time-frequency resource location according to the broadcast information.
  • the terminal device can determine the first time-frequency resource location according to the broadcast information, and improve the accuracy of the terminal device demodulating the control channel.
  • the broadcast information includes a cell identifier of the multiple cells and a time-frequency resource location of the control channel corresponding to each cell identifier of the cell identifiers in the data region, where Determining, by the terminal device, the first time-frequency resource location according to the broadcast information, the terminal device determining the first time-frequency resource location according to the cell identifier of the first cell.
  • the terminal device may receive broadcast information sent by multiple network devices, thereby improving the terminal device to receive the broadcast. The reliability of the information.
  • the communications method further includes: determining, by the terminal device, a second time-frequency resource location that receives the first signal, the first signal including the first sequence; wherein the receiving, by the terminal device, the broadcast information includes: Receiving, by the terminal device, the broadcast information sent by the network device at the time-frequency resource location after the N symbols of the time domain resource location of the second time-frequency resource location, where N is a preset positive integer greater than or equal to 0 .
  • the terminal device may send the broadcast information on the time-frequency resource location of the N symbols after receiving the second time-frequency resource location of the first signal, so that the terminal device may receive the broadcast information sent by multiple network devices, thereby improving the The reliability of the terminal device receiving broadcast information.
  • the communications method further includes: the terminal device receiving the first physical broadcast channel PBCH notification information, where the first PBCH notification information includes at least one bit; the terminal device according to the at least one bit And determining, by the value, the third time-frequency resource location, where the receiving, by the terminal device, the broadcast information comprises: the terminal device receiving the broadcast information at the third time-frequency resource location.
  • the value of the at least one bit is used to determine a third time-frequency resource location, and the broadcast information is received at the third time-frequency resource location, so that the terminal device can accurately determine the received broadcast information according to the first PBCH notification information.
  • the location of the time-frequency resource thereby improving the reliability of receiving broadcast information.
  • the terminal device may agree to receive the broadcast information on the multicast/multicast single frequency network MBSFN subframe with the network device, or in the non-MBSFN subframe, except for transmitting the cell-specific reference signal.
  • the broadcast information is received on a symbol outside the symbol.
  • the terminal device can receive the broadcast information at the agreed resource location, and does not need the network device to send the indication information to indicate the resource location of receiving the broadcast information, which reduces the signaling overhead.
  • the communications method further includes: the terminal device receiving the second PBCH notification information; and determining, by the terminal device, the first time-frequency resource location according to the second PBCH notification information.
  • the terminal device may determine the first time-frequency resource location according to the received second PBCH notification information, thereby improving the accuracy of the terminal device demodulating the control channel.
  • the second PBCH notification information includes at least one bit, where the terminal device determines, according to the second PBCH notification information, that the first time-frequency resource location comprises: the terminal device according to the at least one The value of the bit determines the location of the first time-frequency resource.
  • the second PBCH notification information may include at least one bit, and the first time-frequency resource location of the control channel corresponding to the first cell in the data region is determined by the value of the at least one bit, thereby improving the demodulation control channel of the terminal device.
  • the accuracy rate may be used to determine the first time-frequency resource location of the control channel corresponding to the first cell in the data region.
  • the second PBCH notification information includes at least one bit, where the terminal device determines, according to the second PBCH notification information, that the first time-frequency resource location comprises: the terminal device according to the second The PBCH notification information determines a time domain offset of the first time-frequency resource location and the first location of the data region, where the first location is a start time domain location, an end time domain location, or a central time domain location of the data region The terminal device determines the first time-frequency resource location according to the time domain offset and the first location.
  • the second PBCH notification information may include at least one bit, and the value of the at least one bit may be used to indicate a time domain offset of the first time-frequency resource location and the first location of the data region, and the terminal device according to the time The domain offset and the first location determine the first time-frequency resource location, thereby improving the accuracy of the terminal device demodulating the control channel.
  • the second PBCH notification information includes at least one bit; wherein the end Determining, by the terminal device, the first time-frequency resource location according to the second PBCH notification information, the terminal device determining, according to the second PBCH notification information, a frequency domain offset of the first time-frequency resource location and the second location of the data region a second position is a starting frequency domain position, an ending frequency domain location, or a central frequency domain location of the data region; the terminal device determines the first time frequency according to the frequency domain offset and the second location Resource location.
  • the second PBCH notification information may include at least one bit, and the value of the at least one bit may be used to indicate a frequency domain offset of the first time-frequency resource location and the second location of the data region, and the terminal device according to the frequency The domain offset and the second location determine the first time-frequency resource location, thereby improving the accuracy of the terminal device demodulating the control channel.
  • control channel includes at least one of a physical hybrid automatic repeat request indication channel, a physical control format indication channel, and a physical downlink control channel.
  • the physical downlink control channel may include a common search space and a terminal device specific search space, and the control channel may be any one of the above channels, which improves the application flexibility of the present application.
  • the terminal device is a drone device.
  • the application can be applied to the UAV device, avoiding the interference of the control channel caused by the LoS path propagation, and improving the accuracy of the demodulation control channel of the UAV device.
  • a communication method is provided, the communication method being applied to a communication system including at least one network device and a terminal device, the at least one network device covering a plurality of cells, the communication method comprising: the at least one network device The first network device determines a time-frequency resource location of the control channel corresponding to each cell of the multiple cells in the data region, and a time-frequency of the control channel corresponding to each cell of the multiple cells in the data region The time domain resource location and/or the frequency domain resource location of the resource location are different from each other; the first network device sends the first cell corresponding to the first time-frequency resource location in the data zone by using the control channel corresponding to the first cell Control channel, the first cell is any one of at least one cell covered by the first network device.
  • Determining, by the first network device, a time-frequency resource location of a control channel corresponding to each of the plurality of cells covered by the at least one network device that is included in the communication system, and the control channel corresponding to each of the multiple cells is The time domain resource location and/or the frequency domain resource location in the data region are different from each other, and the first time in the data region of the control channel corresponding to the first cell in the at least one cell covered by the first network device The frequency resource location sends the control channel corresponding to the first cell, so that the terminal device receives the control channel without being interfered by the control channel of the other cell, and improves the accuracy of the terminal device demodulating the control channel.
  • the communications method before the first network device sends the control channel corresponding to the first cell, the communications method further includes: the first network device sends broadcast information, where the broadcast information is used in the first cell.
  • Each terminal device determines a first time-frequency resource location of the control channel corresponding to the first cell in the data region.
  • the first network device sends the broadcast information, so that the terminal device can determine the first time-frequency resource location according to the broadcast information, which improves the accuracy of the terminal device demodulating the control channel.
  • the broadcast information includes a cell identifier of the multiple cells and a time-frequency resource location of the control channel corresponding to each of the cell identifiers of the multiple cells in the data region.
  • the network device sends the broadcast information, so that the terminal device in the cell that does not belong to the coverage of the network device may also receive the broadcast information, that is, the terminal device may receive the broadcast information sent by multiple network devices, thereby improving the terminal.
  • the reliability of the device receiving broadcast information is not limited to, but not limited to, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi Protected Access (WPA)
  • the network device sends the broadcast information, so that the terminal device in the cell that does not belong to the coverage of the network device may also receive the broadcast information, that is, the terminal device may receive the broadcast information sent by multiple network devices, thereby improving the terminal.
  • the reliability of the device receiving broadcast information is not limited to, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-Fi, Wi-
  • the communications method further includes: the first network device determining a second time-frequency resource location for transmitting the first signal, the first signal comprising a first sequence; wherein the first network device sends a broadcast Information includes: Transmitting, by the first network device, the broadcast information on the N frequency symbols of the time domain resource location of the second time-frequency resource, and the N symbols of the time domain resource location of the second time-frequency resource location The subsequent time-frequency resource location is further used by the network device other than the first network device in the at least one network device to send the broadcast information, where N is a preset positive integer greater than or equal to 0.
  • Each of the at least one network device may send broadcast information on a time-frequency resource location of N symbols after the second time-frequency resource location, such that the terminal device may receive broadcast information sent by multiple network devices. , thereby improving the reliability of the terminal device receiving broadcast information.
  • the communications method before the first network device sends the broadcast information, further includes: the first network device sends a first physical broadcast channel PBCH notification information, where the first PBCH notification information includes at least one bit.
  • the bit the value of the at least one bit is used by the first terminal device to determine a third time-frequency resource location for receiving the broadcast information, where the first terminal device is any one of the terminal devices in the first cell.
  • the network device sends a PBCH including the at least one bit, the value of the at least one bit is used to indicate a third time-frequency resource location, and the broadcast information is received at the third time-frequency resource location, so that the terminal device can A PBCH notification information accurately determines the location of the time-frequency resource at which the broadcast information is received, thereby improving the reliability of receiving the broadcast information.
  • the terminal device may agree to receive the broadcast information on the multicast/multicast single frequency network MBSFN subframe with the network device, or in the non-MBSFN subframe, except for transmitting the cell-specific reference signal.
  • the broadcast information is received on a symbol outside the symbol.
  • the network device can send the broadcast information on the agreed resource location, and the network device does not need to send the indication information to indicate the resource location of the terminal device to receive the broadcast information, which reduces the signaling overhead.
  • the communications method before the first network device sends the control channel corresponding to the first cell, the communications method further includes: the first network device sends a second PBCH notification message, the second physical broadcast channel PBCH notification The information is used by the first terminal device to determine a first time-frequency resource location of the control channel corresponding to the first cell, where the first terminal device is any one of the terminal devices in the first cell.
  • the network device sends the second PBCH notification information, so that the terminal device can determine the first time-frequency resource location according to the received second PBCH notification information, thereby improving the accuracy of the terminal device demodulating the control channel.
  • the second PBCH notification information includes at least one bit, and the value of the at least one bit is used by the first terminal device to determine the first time-frequency resource location.
  • the second PBCH notification information may include at least one bit, and the network device sends the second PBCH, so that the terminal device determines, by using the value of the at least one bit, the first time-frequency resource location of the control channel corresponding to the first cell in the data area. , thereby improving the accuracy of the terminal device demodulating the control channel.
  • the second PBCH notification information includes at least one bit, and the value of the at least one bit is used by the first terminal device to determine the first time-frequency resource location and the first location of the data region.
  • the time domain offset, the first location being the starting time domain location, the ending time domain location, or the central time domain location of the data region.
  • the second PBCH notification information may include at least one bit, and the value of the at least one bit may be used to indicate a time domain offset of the first time-frequency resource location and the first location of the data region, and the network device sends the
  • the second PBCH is configured to determine, by the terminal device, the first time-frequency resource location according to the time domain offset and the first location, thereby improving the accuracy of the terminal device demodulating the control channel.
  • the second PBCH notification information includes at least one bit, the at least one The value of the bit is used by the first terminal device to determine a frequency domain offset of the first time-frequency resource location and the second location of the data region, where the second location is the initial frequency domain location and the end of the data region. Frequency domain location or central frequency domain location.
  • the second PBCH notification information may include at least one bit, and the value of the at least one bit may be used to indicate a frequency domain offset of the first time-frequency resource location and the second location of the data region.
  • the network device sends the second PBCH notification information, so that the terminal device determines the first time-frequency resource location according to the frequency domain offset and the second location, thereby improving the accuracy of the terminal device demodulating the control channel.
  • control channel includes at least one of a physical hybrid automatic repeat request indication channel, a physical control format indication channel, and a physical downlink control channel.
  • the physical downlink control channel may include a common search space and a terminal device specific search space, and the control channel may be any one of the above channels, which improves the application flexibility of the present application.
  • the terminal device is a drone device.
  • the application can be applied to the UAV device, avoiding the interference of the control channel caused by the LoS path propagation, and improving the accuracy of the demodulation control channel of the UAV device.
  • a terminal device comprising means for performing the method of the first aspect or any of the possible implementations of the first aspect.
  • a network device comprising means for performing the method of any of the possible implementations of the second aspect or the second aspect.
  • a system comprising:
  • the terminal device of the above third aspect and the network device of the above fourth aspect are identical to the terminal device of the above third aspect and the network device of the above fourth aspect.
  • a terminal device including: a processor, a memory, and a communication interface.
  • the processor is coupled to the memory and communication interface.
  • the memory is for storing instructions for the processor to execute, and the communication interface is for communicating with other network elements under the control of the processor.
  • the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of the first aspect or any of the possible implementations of the first aspect.
  • a network device including: a processor, a memory, and a communication interface.
  • the processor is coupled to the memory and communication interface.
  • the memory is for storing instructions for the processor to execute, and the communication interface is for communicating with other network elements under the control of the processor.
  • the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of any of the possible implementations of the second aspect or the second aspect.
  • a computer storage medium storing program code for indicating an instruction to perform the method of the first aspect or any of the possible implementations of the first aspect .
  • a ninth aspect a computer storage medium storing program code for indicating an instruction to execute the method of any of the above-mentioned second aspect or any of the possible implementations of the second aspect is stored in the computer storage medium .
  • a system chip includes an input/output interface, at least one processor, at least one memory, and a bus, the at least one memory is configured to store an instruction, and the at least one processor is configured to invoke the at least one memory
  • the instructions are to perform the operations of the methods of the various aspects described above.
  • the first network device determines, according to the foregoing solution, a time-frequency resource location of a control channel corresponding to each of the plurality of cells covered by the at least one network device that is included in the communication system, and each of the multiple cells corresponds to The time domain resource location and/or the frequency domain resource location of the control channel in the data area are different from each other, and the control channel corresponding to the first cell in the at least one cell covered by the first network device is in the data area.
  • the first time-frequency resource location sends the control channel corresponding to the first cell, so that the terminal device receives the control channel and is not sent by other cells.
  • the interference sent to the control channel improves the accuracy of the demodulation control channel of the terminal device.
  • FIG. 1 is a schematic diagram of a resource architecture in a conventional scheme
  • FIG. 2 is a schematic diagram of an application scenario of an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a communication method according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a communication method of a specific embodiment of the present application.
  • FIG. 5 is a schematic diagram of a communication method according to another embodiment of the present application.
  • FIG. 6 is a schematic diagram of a communication method according to another embodiment of the present application.
  • FIG. 7 is a schematic diagram of a communication method according to another embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a network device according to an embodiment of the present application.
  • FIG. 12 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the terminal device in the embodiment of the present application may refer to a user equipment, an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or User device.
  • the terminal device may also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the network device in the embodiment of the present application may be a device for communicating with the terminal device, and the network device may be a Global System of Mobile communication (GSM) system or Code Division Multiple Access (CDMA).
  • Base Transceiver Station which may also be a base station (NodeB, NB) in a Wideband Code Division Multiple Access (WCDMA) system, or an evolved base station in an LTE system (Evolutional NodeB, eNB or eNodeB), can also be a cloud
  • the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and a network device in a future 5G network or a PLMN in the future.
  • the network device and the like in the network are not limited in this embodiment.
  • the 5G communication system is dedicated to supporting higher system performance, supporting more service types, and supporting different deployment scenarios and a wider spectrum range.
  • the service types mainly include enhanced mobile broadband (eMBB) services, Massive Machine Type Communication (mMTC) services, and Ultra-reliable and low latency communications (URLLC) services.
  • eMBB enhanced mobile broadband
  • mMTC Massive Machine Type Communication
  • URLLC Ultra-reliable and low latency communications
  • MBMS Multimedia Broadcast Multicast Service
  • deployment scenarios include indoor hotspot, dense urban, suburban, urban macro and high-speed rail scenes, etc.
  • the wider spectral range mainly refers to the spectral range up to 100 GHz, that is, the low frequency portion below 6 GHz, and the high frequency portion above 6 GHz up to 100 GHz.
  • the control region is composed of the first Orthogonal Frequency Division Multiplexing (OFDM) symbols of one downlink subframe and is distributed over the entire downlink system bandwidth.
  • the data area is a time-frequency resource other than the control area in one downlink subframe. Specifically, if the downlink system bandwidth is less than or equal to 10 RBs, the control region occupies the first 2-4 OFDM symbols of one downlink subframe.
  • OFDM Orthogonal Frequency Division Multiplexing
  • FIG. 2 shows an application scenario of an embodiment of the present application.
  • the drone equipment is different in the air due to the different propagation environment and the ground, resulting in different characteristics from the ground communication. Due to the obstruction of obstacles in the air, almost all of the line of sight (LoS) diameters, so that the signal strength received by the drone equipment is relatively large.
  • the network device sends a control channel to the UAV device on the full bandwidth of the control region, and the network device or other adjacent network device also sends a control channel to other terminal devices over the full bandwidth of the control region.
  • the UAV device receives the control channel from interference, which in turn affects the correct demodulation of the control channel by the UAV device.
  • FIG. 3 is a schematic flowchart of a communication method of an embodiment of the present application.
  • the embodiment of the present application is applied to a communication system including at least one network device and a terminal device, the at least one network device covering a plurality of cells.
  • the first network device of the at least one network device determines a time-frequency resource location of a control channel corresponding to each cell of the multiple cells in a data region, and a control channel corresponding to each of the multiple cells
  • the time domain resource location and/or the frequency domain resource location of the time-frequency resource location in the data region are different from each other.
  • the first network device can be any one of the at least one network device.
  • the multiple cells may be in the range covered by the same network device, or may be in the range covered by different network devices, which is not limited in this application.
  • the first network device determines that the time-frequency resource location of the control channel corresponding to the cell in the coverage of the other network device in the data region may be by controlling the multiple The core network device of the network device is uniformly configured, and the other network devices of the multiple network devices may determine the time-frequency resource location of the control channel corresponding to each cell in the respective coverage area after the time-frequency resource location in the data area, and then notify the first network device.
  • This application does not limit this.
  • time-frequency resources of the control channel corresponding to each cell include time domain resources and frequency domain resources.
  • the frequency domain resource may be at least one frequency band, at least one sub-band, or may be at least one sub-carrier; the time domain resource may be all time domain resources of the data area, or may be part of the time domain resource of the data area.
  • time-frequency resource locations of the control channels corresponding to multiple cells in the data region may be continuous, Can be non-continuous.
  • the frequency domain resource positions of the time-frequency resources in the data area corresponding to the control channels of the multiple cells are different from each other.
  • the time domain resource locations of the time-frequency resources in the data area corresponding to the control channels of the multiple cells are different from each other.
  • the frequency domain resource locations of the time-frequency resource locations in the data area of the control channels of the multiple cells are different from each other, the frequency domain resource locations may be the same or different. This is not limited. When the frequency domain resource locations of the time-frequency resource locations in the data area of the control channel corresponding to the multiple cells are different from each other, the time domain resource locations may be the same or different.
  • control channel of the embodiment of the present application may include a Physical Hybrid-ARQ Indicator Channel (PHICH), a Physical Control Format Indicator Channel (PCFICH), and a physical downlink. At least one of a Physical Downlink Control Channel (PDCCH).
  • PHICH Physical Hybrid-ARQ Indicator Channel
  • PCFICH Physical Control Format Indicator Channel
  • PDCH Physical Downlink Control Channel
  • the PDCCH may include a common search space and a terminal device specific search space.
  • the terminal device determines a first time-frequency resource location of the control channel corresponding to the first cell to which the terminal device belongs in the data region, and the first time-frequency resource location and other cells in the plurality of cells except the first cell The time-frequency resource locations of the control channels corresponding to the cells in the data region are different.
  • the terminal device in the embodiment of the present application may be an unmanned device, and may be other devices mentioned above, which is not limited in this application.
  • the terminal device may further receive the broadcast information sent by the network device, and determine the first time-frequency resource location according to the broadcast information.
  • the broadcast information may be information that is sent by each of the at least one network device included in the communication system at the same time-frequency resource location.
  • the terminal device can determine the first time-frequency resource location according to the broadcast information.
  • each of the at least one network device sends broadcast information
  • the terminal device may receive broadcast information sent by the multiple network devices, thereby improving the reliability of the terminal device receiving the broadcast information.
  • the broadcast information may include a cell identifier of each of the plurality of cells covered by the at least one network device, and a time-frequency resource location of the control channel corresponding to the cell identifier of each cell in the data region, such that the terminal device
  • the time-frequency resource location of the control channel corresponding to the first cell in the data area may be determined according to the cell identifier and the broadcast information of the first cell, and the accuracy of determining the time-frequency resource location of the control channel by the terminal device is improved.
  • the cell identifier of the cell may be a physical channel identity (PCI), or may be other identifiers, which is not limited in this application.
  • PCI physical channel identity
  • the terminal device may also determine, according to the second time-frequency resource location that receives the first signal, a location of the time-frequency resource that receives the broadcast information. Specifically, the terminal device may pre-arrange with the network device to blindly detect the first signal by using the entire frequency band, and determine the second time-frequency resource location of the first signal, and then the N symbols of the second time-frequency resource location. The time-frequency resource location receives broadcast information.
  • N is an integer that is pre-agreed by the terminal device and the network device and is greater than or equal to 0.
  • the first signal may carry the signal of the first sequence, or may be other signals.
  • the first sequence may be a synchronization sequence or a special sequence of other narrowbands, which is not limited in this application.
  • the broadcast information is received at a time-frequency resource location after 3 OFDM symbols of the time domain resource location of the synchronization signal.
  • each of the at least one network device may send broadcast information on a time-frequency resource location of N symbols after the second time-frequency resource location, such that the terminal device may receive multiple network device transmissions. Broadcast information, thereby improving the reliability of the terminal device receiving broadcast information.
  • the terminal device may receive a first physical broadcast channel (PBCH) notification information including at least one bit, where the value of the at least one bit is used to determine a third time-frequency resource location, and
  • PBCH physical broadcast channel
  • the third time-frequency resource location receives the broadcast information, so that the terminal device can accurately determine the time-frequency resource location of the received broadcast information according to the first PBCH notification information, thereby improving the reliability of receiving the broadcast information.
  • PBCH physical broadcast channel
  • the terminal device may agree with the network device to receive the broadcast information on a Multicast Broadcast Single Frequency Network (MBSFN) subframe, or in a non-MBSFN subframe, except for transmitting a cell specific
  • MMSFN Multicast Broadcast Single Frequency Network
  • CRS Cell-specific Reference Signal
  • the symbol used for transmitting the CRS is different according to the number of antenna ports, that is, the CRS may be transmitted on the first symbol and the fifth symbol of the non-MBSFN subframe, or It is transmitted on the first, second and fifth symbols of the non-MBSFN subframe.
  • Such broadcast information may be transmitted on the 3rd, 4th, 6th and/or 7th symbols in addition to the symbols used to transmit the CRS, or may be in the 2nd, 3rd, 4th, except for the symbols used to transmit the CRS. Transfer on 6 and / or 7 symbols.
  • the terminal device may further receive, after receiving the first time-frequency resource location of the control channel of the first cell, the second physical broadcast channel PBCH notification information sent by the first network device to which the first cell belongs, and according to The second physical broadcast channel PBCH notification information determines the first time-frequency resource location.
  • the second PBCH notification information includes at least one bit, where the value of the at least one bit is used by the first terminal device to determine the first time-frequency resource location, so that the terminal device can be configured according to the at least one bit The value determines the location of the first time-frequency resource.
  • the second notification information includes 5bit PBCH, PBCH the second notification information may be used to indicate when the data area 25 in the position of frequency resources.
  • the network device may further specifically indicate time-frequency resources used by different terminal devices in a certain cell.
  • the value of the at least one bit may be used to indicate the first
  • the time domain resource location is offset from the first location in the data region, such that the terminal device can determine the first time-frequency resource location based on the frequency domain offset and the first location.
  • the first location may be any one of a starting frequency domain location, a central frequency domain location, and an ending frequency domain location of the data region.
  • the terminal device may determine the frequency domain offset from the central frequency domain location according to the value of the 3 bit. Move the amount and determine the location of the first time-frequency resource. That is, "000" indicates the central frequency domain position of the data region, and "001" indicates that the frequency domain unit is offset from the central frequency domain position.
  • the value of the at least one bit may be used to indicate the first Time-frequency resource location and data The time domain offset of the second location in the area, such that the terminal device can determine the first time-frequency resource location according to the time domain offset and the second location.
  • the second location may be any one of a start time domain location, a central time domain location, and an end time domain location of the data region.
  • the first network device sends, by using a control channel corresponding to the first cell, a control channel corresponding to the first cell in a first time-frequency resource location in the data area, where the first cell is within the coverage of the first network device. Any cell. That is, the first network device sends the control channel corresponding to the first cell at the time-frequency resource location determined in step 301.
  • the terminal device can receive the corresponding control channel at the time-frequency resource location corresponding to the cell to which the cell belongs.
  • the network device and the terminal device transmit the control channel only at the time-frequency resource location in the data area, and the data is temporarily not transmitted in the data area.
  • the terminal device monitors and receives the control channel at the time-frequency resource location in the data region corresponding to each cell without monitoring or receiving the control channel in the control region.
  • the first network device determines a time-frequency resource location of the control channel corresponding to each of the plurality of cells covered by the at least one network device that is included in the communication system, and the multiple The time domain resource location and/or the frequency domain resource location of the control channel corresponding to each cell in the cell are different from each other, and the corresponding control of the first cell in the at least one cell covered by the first network device
  • the channel transmits the control channel corresponding to the first cell in the first time-frequency resource location in the data area, so that the terminal device receives the control channel without being interfered by the control channel of the other cell, and improves the demodulation control channel of the terminal device.
  • FIG. 8 shows a schematic block diagram of a terminal device 800 of an embodiment of the present application.
  • the at least one network device covers a plurality of cells, and the terminal device 800 includes:
  • the processing module 810 is configured to determine a first time-frequency resource location of the control channel corresponding to the first cell to which the terminal device belongs in the data area, and the control channel corresponding to each of the multiple cells is in the data area
  • the time domain resource location and/or the frequency domain resource location of the time-frequency resource location are different from each other;
  • the receiving module 820 is configured to receive, according to the first time-frequency resource location, a control channel corresponding to the first cell.
  • the receiving module 820 is further configured to receive broadcast information.
  • the processing module 810 is further configured to determine the first time-frequency resource location according to the broadcast information.
  • the broadcast information includes a cell identifier of the multiple cells, and a time-frequency resource location of the control channel corresponding to each cell identifier of the cell identifiers in the data region, where the processing module 810 is specifically configured.
  • the determining: the first time-frequency resource location is determined according to the cell identifier of the first cell.
  • the processing module 810 is further configured to determine a second time-frequency resource location that receives the first signal, where the first signal includes a first sequence, where the receiving module 820 is specifically configured to: at the second time-frequency The time-frequency resource location after the N symbols of the time domain resource of the resource location receives the broadcast information sent by the at least one network device, where N is a preset positive integer greater than or equal to 0.
  • the receiving module 820 is further configured to receive the first physical broadcast channel PBCH notification information, where the first PBCH notification information includes at least one bit; the processing module 810 is further configured to: according to the at least one bit And determining, by the value, the third time-frequency resource location; wherein the receiving module 820 is specifically configured to: receive the broadcast information at the third time-frequency resource location.
  • the receiving module 820 is further configured to receive the second PBCH notification information.
  • the processing module 810 is further configured to determine the first time-frequency resource location according to the second PBCH notification information.
  • the second PBCH notification information includes at least one bit; wherein the processing module 810 is specifically configured to: determine the first time-frequency resource location according to the value of the at least one bit.
  • the terminal device in the embodiment of the present application determines the first time-frequency resource location of the control channel corresponding to the first cell to which the terminal device belongs in the data region, and the control channel corresponding to each cell in the multiple cells is in the data region.
  • the time domain resource location and/or the frequency domain resource location are different from each other, and the terminal device receives the control channel corresponding to the first cell at the first time-frequency resource location, so that the terminal device receives the control channel and is not controlled by other cells.
  • the interference of the channel improves the accuracy of the demodulation control channel of the terminal device.
  • terminal device 800 may correspond to the terminal device in the communication method 300 of the embodiment of the present application, and the foregoing and other management operations and/or functions of the respective modules in the terminal device 800 respectively implement the foregoing The corresponding steps of each method are not repeated here for brevity.
  • the receiving module 820 in the embodiment of the present application may be implemented by a transceiver, and the processing module 810 may be implemented by a processor.
  • the terminal device 900 may include a transceiver 910, a processor 920, and a memory 930.
  • the memory 930 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 920.
  • FIG. 10 shows a schematic block diagram of a network device 1000 of an embodiment of the present application.
  • the at least one network device covers a plurality of cells, and the network device 1000 may be a first network device of the at least one network device, the network Apparatus 1000 includes:
  • the processing module 1010 is configured to determine a time-frequency resource location of a control channel corresponding to each cell in the multiple cells in a data region, and a control channel corresponding to each of the multiple cells is in the data region
  • the frequency resource locations are different from each other;
  • the sending module 1020 is configured to send, by using a control channel corresponding to the first cell, a control channel corresponding to the first cell in a first time-frequency resource location in the data area, where the first cell is at least covered by the first network device Any cell in a cell.
  • the sending module 1020 is further configured to send broadcast information, where the broadcast information is used by each terminal device in the first cell to determine a first time frequency of a control channel corresponding to the first cell in the data region. Resource location.
  • the broadcast information includes a cell identifier of the multiple cells and a time-frequency resource location of the control channel corresponding to each cell identifier of the plurality of cells in the data region.
  • the processing module 1010 is further configured to determine a second time-frequency resource location for transmitting the first signal, where the first signal includes a first sequence, where the sending module 1020 is specifically configured to: at the second time-frequency The broadcast information is sent on the time-frequency resource location after the N symbols of the time domain resource of the resource location, and the time-frequency resource location after the N symbols of the time domain resource location of the second time-frequency resource location is also used for the at least The other network device except the first network device sends the broadcast information, where N is a preset positive integer greater than or equal to 0.
  • the sending module 1020 is further configured to send a first physical broadcast channel PBCH notification information, where the first PBCH notification information includes at least one bit, where the value of the at least one bit is used by the first terminal device to determine to receive The third time-frequency resource location of the broadcast information, where the first terminal device is any one of the terminal devices in the first cell.
  • the sending module 1020 is further configured to send the second PBCH notification information, where the second physical broadcast channel PBCH notification information is used by the first terminal device to determine the first time-frequency resource of the control channel corresponding to the first cell.
  • the first terminal device is any one of the terminal devices in the first cell.
  • the second PBCH notification information includes at least one bit, and the value of the at least one bit is used by the first terminal device to determine the first time-frequency resource location.
  • the first network device determines a time-frequency resource location of a control channel corresponding to each cell of each of the plurality of cells covered by the at least one network device that is included in the communication system, and each of the multiple cells
  • the time domain resource location and/or the frequency domain resource location of the control channel corresponding to the cell in the data area are different from each other, and the control channel corresponding to the first cell in the at least one cell covered by the first network device is in the
  • the first time-frequency resource location in the data area sends the control channel corresponding to the first cell, so that the terminal device receives the control channel without being interfered by the control channel of the other cell, and improves the accuracy of the terminal device demodulating the control channel.
  • the network device 1000 may correspond to the network device in the communication method 300 of the embodiment of the present application, and the foregoing and other management operations and/or functions of the respective modules in the network device 1000 respectively implement the foregoing The corresponding steps of each method are not repeated here for brevity.
  • the sending module 1020 in the embodiment of the present application may be implemented by a transceiver, and the processing module 1010 may be implemented by a processor.
  • network device 1100 can include a transceiver 1110, a processor 1120, and a memory 1130.
  • the memory 1130 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 1120.
  • processor 920 or processor 1120 can be an integrated circuit chip with signal processing capabilities.
  • each step of the foregoing method embodiments may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a Field Programmable Gate Array (FPGA), or the like. Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method.
  • the memory 930 or the memory 1130 in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
  • RAM Random Access Memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM). SDRAM), Double Data Rate SDRAM (DDR SDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Synchronous Link DRAM (Synchronous Link DRAM) SLDRAM) and Direct Memory Bus Random Access Memory (DR RAM).
  • memories of the systems and methods described herein are intended to comprise, without being limited to, these and any other suitable types of memory.
  • the embodiment of the present application further provides a system chip, where the system chip includes an input and output interface, at least one processor, at least one memory, and a bus, the at least one memory is configured to store an instruction, and the at least one processor is configured to invoke the at least one
  • the instructions of the memory are operative to perform the methods of the various embodiments described above.
  • FIG. 12 shows a communication system 1200 of an embodiment of the present application, the communication system 1200 comprising:
  • the embodiment of the present application further provides a computer storage medium, which can store program instructions for indicating any of the above methods.
  • the storage medium may be specifically a memory 930 or 1130.
  • the embodiment of the present application further provides a chip system, where the chip system includes a processor for supporting a distributed unit, a centralized unit, and a terminal device to implement functions involved in the foregoing embodiments, for example, generating or processing the foregoing. Data and/or information involved in the method.
  • the chip system further comprises a memory for storing the distributed program, the centralized unit and the necessary program instructions and data of the terminal device.
  • the chip system can be composed of chips, and can also include chips and other discrete devices. It should be understood that the data and/or information processed by the chip may be received from a base station, and the processed data and/or information may also be transmitted to the base station.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • a computer device which may be a personal computer, server, or network device, etc.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes.

Abstract

Disclosed in embodiments of the present application are a communication method, a terminal device, and a network device. The communication method is used for a communication system comprising at least one network device and a terminal device; the at least one network device covers multiple cells. The communication method comprises that: the terminal device determines a first time-frequency resource location, in a data region, of a control channel corresponding to a first cell to which the terminal device belongs, and the time domain resource location and/or frequency domain resource location of a time-frequency resource location, in the data region, of a control channel corresponding to each of the multiple cells is different from one another; and the terminal device receives at the first time-frequency resource location the control channel corresponding to the first cell. In the embodiments of the present application, the terminal device receives a control channel without being interfered by the transmission of a control channel by other cells, thus improving the accuracy of demodulating a control channel by the terminal device.

Description

通信方法、终端设备和网络设备Communication method, terminal device and network device 技术领域Technical field
本申请涉及通信领域,并且更具体地,涉及通信方法、终端设备和网络设备。The present application relates to the field of communications, and more particularly to communication methods, terminal devices, and network devices.
背景技术Background technique
无人机设备在空中由于传播环境和地面不同,导致了和地面通信不同的特性。空中由于无障碍物的遮挡,几乎都是视距传输(Line of sight,LoS)径,这样无人机设备接收到的信号强度比较大。传统方案中,网络设备在控制区域的全带宽上向某个小区的无人机设备发送控制信道,同时该网络设备或相邻的其他网络设备也会在控制区域的全带宽上向其他小区的终端设备发送控制信道,使得无人机设备接收控制信道受到干扰,进而影响无人机设备对控制信道的正确解调。UAV equipment in the air is different from the ground communication due to the different propagation environment and ground. Due to the obstruction of obstacles in the air, almost all of the line of sight (LoS) diameters, so that the signal strength received by the drone equipment is relatively large. In the conventional solution, the network device sends a control channel to the UAV device of a certain cell on the full bandwidth of the control area, and the network device or other adjacent network device also transmits the full bandwidth of the control area to other cells. The terminal device sends the control channel, so that the drone device receives the control channel from interference, thereby affecting the correct demodulation of the control channel by the drone device.
发明内容Summary of the invention
本申请提供了一种通信方法、终端设备和网络设备,能够避免接收控制信道受到的干扰,提高了解调的控制信道的准确率。The present application provides a communication method, a terminal device, and a network device, which can avoid interference received by a control channel and improve the accuracy of a demodulated control channel.
第一方面,提供了一种通信方法,该通信方法应用于包括至少一个网络设备和终端设备的通信***中,该至少一个网络设备覆盖多个小区,该通信方法包括:该终端设备确定该终端设备所属的第一小区对应的控制信道在数据区域中的第一时频资源位置,且该多个小区中每个小区对应的控制信道在该数据区域中的时频资源位置的时域资源位置和/或频域资源位置互不相同;该终端设备在该第一时频资源位置,接收该第一小区对应的控制信道。In a first aspect, a communication method is provided, the communication method being applied to a communication system including at least one network device and a terminal device, the at least one network device covering a plurality of cells, the communication method comprising: the terminal device determining the terminal The first time-frequency resource location of the control channel corresponding to the first cell to which the device belongs in the data region, and the time domain resource location of the time-frequency resource location of the control channel corresponding to each cell of the multiple cells in the data region And the frequency domain resource location is different from each other; the terminal device receives the control channel corresponding to the first cell at the first time-frequency resource location.
终端设备确定该终端设备所属的第一小区对应的控制信道在数据区域中的第一时频资源位置,且该多个小区中每个小区对应的控制信道在该数据区域中的时域资源位置和/或频域资源位置互不相同,终端设备在该第一时频资源位置上接收第一小区对应的控制信道,这样终端设备接收控制信道不会受到其他小区发送控制信道的干扰,提高了终端设备解调控制信道的准确率。Determining, by the terminal device, a first time-frequency resource location of the control channel corresponding to the first cell to which the terminal device belongs in the data region, and the time domain resource location of the control channel corresponding to each cell of the multiple cells in the data region And the frequency domain resource location is different from each other, and the terminal device receives the control channel corresponding to the first cell at the first time-frequency resource location, so that the terminal device receiving the control channel is not interfered by the control channel sent by other cells, thereby improving The terminal device demodulates the accuracy of the control channel.
在一些可能的实现方式中,该通信方法还包括:该终端设备接收广播信息;该终端设备根据该广播信息,确定该第一时频资源位置。In some possible implementations, the communication method further includes: the terminal device receiving the broadcast information; and determining, by the terminal device, the first time-frequency resource location according to the broadcast information.
终端设备可以根据广播信息确定出第一时频资源位置,提高了终端设备解调控制信道的准确率。The terminal device can determine the first time-frequency resource location according to the broadcast information, and improve the accuracy of the terminal device demodulating the control channel.
在一些可能的实现方式中,该广播信息包括该多个小区的小区标识和该多个小区的小区标识中的每个小区标识对应的控制信道在该数据区域中的时频资源位置,其中,该终端设备根据该广播信息,确定该第一时频资源位置包括:该终端设备根据该第一小区的小区标识,确定该第一时频资源位置。In some possible implementations, the broadcast information includes a cell identifier of the multiple cells and a time-frequency resource location of the control channel corresponding to each cell identifier of the cell identifiers in the data region, where Determining, by the terminal device, the first time-frequency resource location according to the broadcast information, the terminal device determining the first time-frequency resource location according to the cell identifier of the first cell.
终端设备可能会接收到多个网络设备发送的广播信息,从而提高了终端设备接收广播 信息的可靠性。The terminal device may receive broadcast information sent by multiple network devices, thereby improving the terminal device to receive the broadcast. The reliability of the information.
在一些可能的实现方式中,该通信方法还包括:该终端设备确定接收第一信号的第二时频资源位置,该第一信号包括第一序列;其中,该终端设备接收广播信息包括:该终端设备在该第二时频资源位置的时域资源位置的N个符号后的时频资源位置接收至少一个该网络设备发送的该广播信息,其中,N为预设的大于等于0的正整数。In some possible implementations, the communications method further includes: determining, by the terminal device, a second time-frequency resource location that receives the first signal, the first signal including the first sequence; wherein the receiving, by the terminal device, the broadcast information includes: Receiving, by the terminal device, the broadcast information sent by the network device at the time-frequency resource location after the N symbols of the time domain resource location of the second time-frequency resource location, where N is a preset positive integer greater than or equal to 0 .
终端设备可以在接收到第一信号的第二时频资源位置后的N个符号的时频资源位置上发送广播信息,这样终端设备可能会接收到多个网络设备发送的广播信息,从而提高了终端设备接收广播信息的可靠性。The terminal device may send the broadcast information on the time-frequency resource location of the N symbols after receiving the second time-frequency resource location of the first signal, so that the terminal device may receive the broadcast information sent by multiple network devices, thereby improving the The reliability of the terminal device receiving broadcast information.
在一些可能的实现方式中,该通信方法还包括:该终端设备接收第一物理广播信道PBCH通知信息,该第一PBCH通知信息包括至少一个比特位;该终端设备根据该至少一个比特位的取值,确定第三时频资源位置;其中,该终端设备接收广播信息包括:该终端设备在该第三时频资源位置,接收该广播信息。In some possible implementations, the communications method further includes: the terminal device receiving the first physical broadcast channel PBCH notification information, where the first PBCH notification information includes at least one bit; the terminal device according to the at least one bit And determining, by the value, the third time-frequency resource location, where the receiving, by the terminal device, the broadcast information comprises: the terminal device receiving the broadcast information at the third time-frequency resource location.
该至少一个比特位的取值用于确定第三时频资源位置,并在该第三时频资源位置接收该广播信息,这样终端设备可以根据第一PBCH通知信息准确的确定出接收到广播信息的时频资源位置,从而提高了接收广播信息的可靠性。The value of the at least one bit is used to determine a third time-frequency resource location, and the broadcast information is received at the third time-frequency resource location, so that the terminal device can accurately determine the received broadcast information according to the first PBCH notification information. The location of the time-frequency resource, thereby improving the reliability of receiving broadcast information.
在一些可能的实现方式中,终端设备可以与网络设备约定在多播/组播单频网络MBSFN子帧上接收该广播信息,或者在非MBSFN子帧中除用于传输小区特定的参考信号的符号外的符号上接收该广播信息。In some possible implementation manners, the terminal device may agree to receive the broadcast information on the multicast/multicast single frequency network MBSFN subframe with the network device, or in the non-MBSFN subframe, except for transmitting the cell-specific reference signal. The broadcast information is received on a symbol outside the symbol.
这样终端设备可以在约定的资源位置上接收广播信息,不需要网络设备发送指示信息用于指示接收广播信息的资源位置,降低了信令开销。In this way, the terminal device can receive the broadcast information at the agreed resource location, and does not need the network device to send the indication information to indicate the resource location of receiving the broadcast information, which reduces the signaling overhead.
在一些可能的实现方式中,该通信方法还包括:该终端设备接收第二PBCH通知信息;该终端设备根据该第二PBCH通知信息,确定该第一时频资源位置。In some possible implementations, the communications method further includes: the terminal device receiving the second PBCH notification information; and determining, by the terminal device, the first time-frequency resource location according to the second PBCH notification information.
终端设备可以根据接收到的第二PBCH通知信息,确定该第一时频资源位置,从而提高了终端设备解调控制信道的准确率。The terminal device may determine the first time-frequency resource location according to the received second PBCH notification information, thereby improving the accuracy of the terminal device demodulating the control channel.
在一些可能的实现方式中,该第二PBCH通知信息包括至少一个比特位;其中,该终端设备根据该第二PBCH通知信息,确定该第一时频资源位置包括:该终端设备根据该至少一个比特位的取值,确定该第一时频资源位置。In some possible implementations, the second PBCH notification information includes at least one bit, where the terminal device determines, according to the second PBCH notification information, that the first time-frequency resource location comprises: the terminal device according to the at least one The value of the bit determines the location of the first time-frequency resource.
第二PBCH通知信息可以包括至少一个比特位,通过该至少一个比特位的取值确定第一小区对应的控制信道在数据区域中的第一时频资源位置,从而提高了终端设备解调控制信道的准确率。The second PBCH notification information may include at least one bit, and the first time-frequency resource location of the control channel corresponding to the first cell in the data region is determined by the value of the at least one bit, thereby improving the demodulation control channel of the terminal device. The accuracy rate.
在一些可能的实现方式中,该第二PBCH通知信息包括至少一个比特位;其中,该终端设备根据该第二PBCH通知信息,确定该第一时频资源位置包括:该终端设备根据该第二PBCH通知信息,确定该第一时频资源位置与数据区域的第一位置的时域偏移量,该第一位置为该数据区域的起始时域位置、结束时域位置或中心时域位置;该终端设备根据该时域偏移量和该第一位置,确定该第一时频资源位置。In some possible implementations, the second PBCH notification information includes at least one bit, where the terminal device determines, according to the second PBCH notification information, that the first time-frequency resource location comprises: the terminal device according to the second The PBCH notification information determines a time domain offset of the first time-frequency resource location and the first location of the data region, where the first location is a start time domain location, an end time domain location, or a central time domain location of the data region The terminal device determines the first time-frequency resource location according to the time domain offset and the first location.
第二PBCH通知信息可以包括至少一个比特位,该至少一个比特位的取值可以用于指示该第一时频资源位置与数据区域的第一位置的时域偏移量,终端设备根据该时域偏移量和第一位置确定该第一时频资源位置,从而提高了终端设备解调控制信道的准确率。The second PBCH notification information may include at least one bit, and the value of the at least one bit may be used to indicate a time domain offset of the first time-frequency resource location and the first location of the data region, and the terminal device according to the time The domain offset and the first location determine the first time-frequency resource location, thereby improving the accuracy of the terminal device demodulating the control channel.
在一些可能的实现方式中,该第二PBCH通知信息包括至少一个比特位;其中,该终 端设备根据该第二PBCH通知信息,确定该第一时频资源位置包括:该终端设备根据该第二PBCH通知信息,确定该第一时频资源位置与数据区域的第二位置的频域偏移量,该第二位置为该数据区域的起始频域位置、结束频域位置或中心频域位置;该终端设备根据该频域偏移量和该第二位置,确定该第一时频资源位置。In some possible implementations, the second PBCH notification information includes at least one bit; wherein the end Determining, by the terminal device, the first time-frequency resource location according to the second PBCH notification information, the terminal device determining, according to the second PBCH notification information, a frequency domain offset of the first time-frequency resource location and the second location of the data region a second position is a starting frequency domain position, an ending frequency domain location, or a central frequency domain location of the data region; the terminal device determines the first time frequency according to the frequency domain offset and the second location Resource location.
第二PBCH通知信息可以包括至少一个比特位,该至少一个比特位的取值可以用于指示该第一时频资源位置与数据区域的第二位置的频域偏移量,终端设备根据该频域偏移量和第二位置确定该第一时频资源位置,从而提高了终端设备解调控制信道的准确率。The second PBCH notification information may include at least one bit, and the value of the at least one bit may be used to indicate a frequency domain offset of the first time-frequency resource location and the second location of the data region, and the terminal device according to the frequency The domain offset and the second location determine the first time-frequency resource location, thereby improving the accuracy of the terminal device demodulating the control channel.
在一些可能的实现方式中,所述控制信道包括物理混合自动重传请求指示信道、物理控制格式指示信道和物理下行链路控制信道中的至少一项。In some possible implementations, the control channel includes at least one of a physical hybrid automatic repeat request indication channel, a physical control format indication channel, and a physical downlink control channel.
物理下行链路控制信道可以包括公共搜索空间和终端设备特定搜索空间,控制信道可以是上述信道中的任意一种,提高了本申请的应用灵活性。The physical downlink control channel may include a common search space and a terminal device specific search space, and the control channel may be any one of the above channels, which improves the application flexibility of the present application.
在一些可能的实现方式中,所述终端设备为无人机设备。In some possible implementations, the terminal device is a drone device.
本申请可以应用于无人机设备,避免了由于LoS径传播导致的控制信道的干扰,提高了无人机设备解调控制信道的准确率。The application can be applied to the UAV device, avoiding the interference of the control channel caused by the LoS path propagation, and improving the accuracy of the demodulation control channel of the UAV device.
第二方面,提供了一种通信方法,该通信方法应用于包括至少一个网络设备和终端设备的通信***中,该至少一个网络设备覆盖多个小区,该通信方法包括:该至少一个网络设备中的第一网络设备确定该多个小区中每个小区对应的控制信道在数据区域中的时频资源位置,且该多个小区中的每个小区对应的控制信道在该数据区域中的时频资源位置的时域资源位置和/或频域资源位置互不相同;该第一网络设备通过第一小区对应的控制信道在该数据区域中的第一时频资源位置,发送该第一小区对应的控制信道,该第一小区为该第一网络设备覆盖的至少一个小区中的任一个小区。In a second aspect, a communication method is provided, the communication method being applied to a communication system including at least one network device and a terminal device, the at least one network device covering a plurality of cells, the communication method comprising: the at least one network device The first network device determines a time-frequency resource location of the control channel corresponding to each cell of the multiple cells in the data region, and a time-frequency of the control channel corresponding to each cell of the multiple cells in the data region The time domain resource location and/or the frequency domain resource location of the resource location are different from each other; the first network device sends the first cell corresponding to the first time-frequency resource location in the data zone by using the control channel corresponding to the first cell Control channel, the first cell is any one of at least one cell covered by the first network device.
第一网络设备确定通信***包括的至少一个网络设备覆盖的多个小区中每个小区对应的控制信道在数据区域中的时频资源位置,且该多个小区中每个小区对应的控制信道在该数据区域中的时域资源位置和/或频域资源位置互不相同,并通过该第一网络设备覆盖的至少一个小区中的第一小区对应的控制信道在该数据区域中的第一时频资源位置发送第一小区对应的控制信道,使得终端设备接收控制信道不会受到其他小区发送控制信道的干扰,提高了终端设备解调控制信道的准确率。Determining, by the first network device, a time-frequency resource location of a control channel corresponding to each of the plurality of cells covered by the at least one network device that is included in the communication system, and the control channel corresponding to each of the multiple cells is The time domain resource location and/or the frequency domain resource location in the data region are different from each other, and the first time in the data region of the control channel corresponding to the first cell in the at least one cell covered by the first network device The frequency resource location sends the control channel corresponding to the first cell, so that the terminal device receives the control channel without being interfered by the control channel of the other cell, and improves the accuracy of the terminal device demodulating the control channel.
在一些可能的实现方式中,该第一网络设备发送该第一小区对应的控制信道之前,该通信方法还包括:该第一网络设备发送广播信息,该广播信息用于该第一小区内的每个终端设备确定该第一小区对应的控制信道在该数据区域中的第一时频资源位置。In some possible implementations, before the first network device sends the control channel corresponding to the first cell, the communications method further includes: the first network device sends broadcast information, where the broadcast information is used in the first cell. Each terminal device determines a first time-frequency resource location of the control channel corresponding to the first cell in the data region.
该第一网络设备发送广播信息,使得终端设备可以根据广播信息确定出第一时频资源位置,提高了终端设备解调控制信道的准确率。The first network device sends the broadcast information, so that the terminal device can determine the first time-frequency resource location according to the broadcast information, which improves the accuracy of the terminal device demodulating the control channel.
在一些可能的实现方式中,该广播信息包括该多个小区的小区标识和该多个小区的小区标识中的每个小区标识对应的控制信道在该数据区域中的时频资源位置。In some possible implementation manners, the broadcast information includes a cell identifier of the multiple cells and a time-frequency resource location of the control channel corresponding to each of the cell identifiers of the multiple cells in the data region.
网络设备发送广播信息,使得不属于网络设备覆盖范围的小区内的终端设备也可能接收到该广播信息,也就是说,终端设备可能会接收到多个网络设备发送的广播信息,从而提高了终端设备接收广播信息的可靠性。The network device sends the broadcast information, so that the terminal device in the cell that does not belong to the coverage of the network device may also receive the broadcast information, that is, the terminal device may receive the broadcast information sent by multiple network devices, thereby improving the terminal. The reliability of the device receiving broadcast information.
在一些可能的实现方式中,该通信方法还包括:该第一网络设备确定发送第一信号的第二时频资源位置,该第一信号包括第一序列;其中,该第一网络设备发送广播信息包括: 该第一网络设备在该第二时频资源的时域资源位置的N个符号后的时频资源位置上发送该广播信息,且该第二时频资源位置的时域资源位置的N个符号后的时频资源位置还用于该至少一个网络设备中除该第一网络设备外的其他网络设备发送该广播信息,其中,N为预设的大于等于0的正整数。In some possible implementations, the communications method further includes: the first network device determining a second time-frequency resource location for transmitting the first signal, the first signal comprising a first sequence; wherein the first network device sends a broadcast Information includes: Transmitting, by the first network device, the broadcast information on the N frequency symbols of the time domain resource location of the second time-frequency resource, and the N symbols of the time domain resource location of the second time-frequency resource location The subsequent time-frequency resource location is further used by the network device other than the first network device in the at least one network device to send the broadcast information, where N is a preset positive integer greater than or equal to 0.
该至少一个网络设备中的每个网络设备可以在第二时频资源位置后的N个符号的时频资源位置上发送广播信息,这样使得终端设备可能会接收到多个网络设备发送的广播信息,从而提高了终端设备接收广播信息的可靠性。Each of the at least one network device may send broadcast information on a time-frequency resource location of N symbols after the second time-frequency resource location, such that the terminal device may receive broadcast information sent by multiple network devices. , thereby improving the reliability of the terminal device receiving broadcast information.
在一些可能的实现方式中,该第一网络设备发送该广播信息之前,该通信方法还包括:该第一网络设备发送第一物理广播信道PBCH通知信息,该第一PBCH通知信息包括至少一个比特位,该至少一个比特位的取值用于第一终端设备确定接收该广播信息的第三时频资源位置,该第一终端设备为该第一小区内任一个终端设备。In some possible implementations, before the first network device sends the broadcast information, the communications method further includes: the first network device sends a first physical broadcast channel PBCH notification information, where the first PBCH notification information includes at least one bit. The bit, the value of the at least one bit is used by the first terminal device to determine a third time-frequency resource location for receiving the broadcast information, where the first terminal device is any one of the terminal devices in the first cell.
网络设备发送包括该至少一个比特位的PBCH,该至少一个比特位的取值用于指示第三时频资源位置,并在该第三时频资源位置接收该广播信息,这样终端设备可以根据第一PBCH通知信息准确的确定出接收到广播信息的时频资源位置,从而提高了接收广播信息的可靠性。The network device sends a PBCH including the at least one bit, the value of the at least one bit is used to indicate a third time-frequency resource location, and the broadcast information is received at the third time-frequency resource location, so that the terminal device can A PBCH notification information accurately determines the location of the time-frequency resource at which the broadcast information is received, thereby improving the reliability of receiving the broadcast information.
在一些可能的实现方式中,终端设备可以与网络设备约定在多播/组播单频网络MBSFN子帧上接收该广播信息,或者在非MBSFN子帧中除用于传输小区特定的参考信号的符号外的符号上接收该广播信息。In some possible implementation manners, the terminal device may agree to receive the broadcast information on the multicast/multicast single frequency network MBSFN subframe with the network device, or in the non-MBSFN subframe, except for transmitting the cell-specific reference signal. The broadcast information is received on a symbol outside the symbol.
这样网络设备可以在约定的资源位置上发送广播信息,不需要网络设备发送指示信息指示终端设备接收广播信息的资源位置,降低了信令开销。In this way, the network device can send the broadcast information on the agreed resource location, and the network device does not need to send the indication information to indicate the resource location of the terminal device to receive the broadcast information, which reduces the signaling overhead.
在一些可能的实现方式中,该第一网络设备发送该第一小区对应的控制信道之前,该通信方法还包括:该第一网络设备发送第二PBCH通知信息,该第二物理广播信道PBCH通知信息用于该第一终端设备确定该第一小区对应的控制信道的第一时频资源位置,该第一终端设备为该第一小区内的任一个终端设备。In some possible implementations, before the first network device sends the control channel corresponding to the first cell, the communications method further includes: the first network device sends a second PBCH notification message, the second physical broadcast channel PBCH notification The information is used by the first terminal device to determine a first time-frequency resource location of the control channel corresponding to the first cell, where the first terminal device is any one of the terminal devices in the first cell.
网络设备发送第二PBCH通知信息,使得终端设备可以根据接收到的第二PBCH通知信息,确定该第一时频资源位置,从而提高了终端设备解调控制信道的准确率。The network device sends the second PBCH notification information, so that the terminal device can determine the first time-frequency resource location according to the received second PBCH notification information, thereby improving the accuracy of the terminal device demodulating the control channel.
在一些可能的实现方式中,该第二PBCH通知信息包括至少一个比特位,该至少一个比特位的取值用于该第一终端设备确定该第一时频资源位置。In some possible implementations, the second PBCH notification information includes at least one bit, and the value of the at least one bit is used by the first terminal device to determine the first time-frequency resource location.
第二PBCH通知信息可以包括至少一个比特位,网络设备发送该第二PBCH使得终端设备通过该至少一个比特位的取值确定第一小区对应的控制信道在数据区域中的第一时频资源位置,从而提高了终端设备解调控制信道的准确率。The second PBCH notification information may include at least one bit, and the network device sends the second PBCH, so that the terminal device determines, by using the value of the at least one bit, the first time-frequency resource location of the control channel corresponding to the first cell in the data area. , thereby improving the accuracy of the terminal device demodulating the control channel.
在一些可能的实现方式中,该第二PBCH通知信息包括至少一个比特位,该至少一个比特位的取值用于该第一终端设备确定该第一时频资源位置与数据区域的第一位置的时域偏移量,该第一位置为该数据区域的起始时域位置、结束时域位置或中心时域位置。In some possible implementations, the second PBCH notification information includes at least one bit, and the value of the at least one bit is used by the first terminal device to determine the first time-frequency resource location and the first location of the data region. The time domain offset, the first location being the starting time domain location, the ending time domain location, or the central time domain location of the data region.
第二PBCH通知信息可以包括至少一个比特位,该至少一个比特位的取值可以用于指示该第一时频资源位置与数据区域的第一位置的时域偏移量,网络设备发送该第二PBCH,使得终端设备根据该时域偏移量和第一位置确定该第一时频资源位置,从而提高了终端设备解调控制信道的准确率。The second PBCH notification information may include at least one bit, and the value of the at least one bit may be used to indicate a time domain offset of the first time-frequency resource location and the first location of the data region, and the network device sends the The second PBCH is configured to determine, by the terminal device, the first time-frequency resource location according to the time domain offset and the first location, thereby improving the accuracy of the terminal device demodulating the control channel.
在一些可能的实现方式中,该第二PBCH通知信息包括至少一个比特位,该至少一个 比特位的取值用于该第一终端设备确定该第一时频资源位置与数据区域的第二位置的频域偏移量,该第二位置为该数据区域的起始频域位置、结束频域位置或中心频域位置。In some possible implementation manners, the second PBCH notification information includes at least one bit, the at least one The value of the bit is used by the first terminal device to determine a frequency domain offset of the first time-frequency resource location and the second location of the data region, where the second location is the initial frequency domain location and the end of the data region. Frequency domain location or central frequency domain location.
第二PBCH通知信息可以包括至少一个比特位,该至少一个比特位的取值可以用于指示该第一时频资源位置与数据区域的第二位置的频域偏移量。网络设备发送该第二PBCH通知信息使得终端设备根据该频域偏移量和第二位置确定该第一时频资源位置,从而提高了终端设备解调控制信道的准确率。The second PBCH notification information may include at least one bit, and the value of the at least one bit may be used to indicate a frequency domain offset of the first time-frequency resource location and the second location of the data region. The network device sends the second PBCH notification information, so that the terminal device determines the first time-frequency resource location according to the frequency domain offset and the second location, thereby improving the accuracy of the terminal device demodulating the control channel.
在一些可能的实现方式中,所述控制信道包括物理混合自动重传请求指示信道、物理控制格式指示信道和物理下行链路控制信道中的至少一项。In some possible implementations, the control channel includes at least one of a physical hybrid automatic repeat request indication channel, a physical control format indication channel, and a physical downlink control channel.
物理下行链路控制信道可以包括公共搜索空间和终端设备特定搜索空间,控制信道可以是上述信道中的任意一种,提高了本申请的应用灵活性。The physical downlink control channel may include a common search space and a terminal device specific search space, and the control channel may be any one of the above channels, which improves the application flexibility of the present application.
在一些可能的实现方式中,所述终端设备为无人机设备。In some possible implementations, the terminal device is a drone device.
本申请可以应用于无人机设备,避免了由于LoS径传播导致的控制信道的干扰,提高了无人机设备解调控制信道的准确率。The application can be applied to the UAV device, avoiding the interference of the control channel caused by the LoS path propagation, and improving the accuracy of the demodulation control channel of the UAV device.
第三方面,提供了一种终端设备,该终端设备包括用于执行第一方面或第一方面的任意可能的实现方式中的方法的模块。In a third aspect, a terminal device is provided, the terminal device comprising means for performing the method of the first aspect or any of the possible implementations of the first aspect.
第四方面,提供了一种网络设备,该网络设备包括执行第二方面或第二方面的任意可能的实现方式中的方法的模块。In a fourth aspect, a network device is provided, the network device comprising means for performing the method of any of the possible implementations of the second aspect or the second aspect.
第五方面,提供了一种***,该***包括:In a fifth aspect, a system is provided, the system comprising:
上述第三方面的终端设备和上述第四方面的网络设备。The terminal device of the above third aspect and the network device of the above fourth aspect.
第六方面,提供了一种终端设备,包括:处理器、存储器和通信接口。处理器与存储器和通信接口连接。存储器用于存储指令,处理器用于执行该指令,通信接口用于在处理器的控制下与其他网元进行通信。该处理器执行该存储器存储的指令时,该执行使得该处理器执行第一方面或第一方面的任意可能的实现方式中的方法。In a sixth aspect, a terminal device is provided, including: a processor, a memory, and a communication interface. The processor is coupled to the memory and communication interface. The memory is for storing instructions for the processor to execute, and the communication interface is for communicating with other network elements under the control of the processor. When the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of the first aspect or any of the possible implementations of the first aspect.
第七方面,提供了一种网络设备,包括:处理器、存储器和通信接口。处理器与存储器和通信接口连接。存储器用于存储指令,处理器用于执行该指令,通信接口用于在处理器的控制下与其他网元进行通信。该处理器执行该存储器存储的指令时,该执行使得该处理器执行第二方面或第二方面的任意可能的实现方式中的方法。In a seventh aspect, a network device is provided, including: a processor, a memory, and a communication interface. The processor is coupled to the memory and communication interface. The memory is for storing instructions for the processor to execute, and the communication interface is for communicating with other network elements under the control of the processor. When the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of any of the possible implementations of the second aspect or the second aspect.
第八方面,提供了一种计算机存储介质,该计算机存储介质中存储有程序代码,该程序代码用于指示执行上述第一方面或第一方面的任一种可能的实现方式中的方法的指令。In an eighth aspect, a computer storage medium is provided, the program storage medium storing program code for indicating an instruction to perform the method of the first aspect or any of the possible implementations of the first aspect .
第九方面,提供了一种计算机存储介质,该计算机存储介质中存储有程序代码,该程序代码用于指示执行上述第二方面或第二方面的任一种可能的实现方式中的方法的指令。A ninth aspect, a computer storage medium storing program code for indicating an instruction to execute the method of any of the above-mentioned second aspect or any of the possible implementations of the second aspect is stored in the computer storage medium .
第十方面,提供了一种***芯片,该***芯片包括输入输出接口、至少一个处理器、至少一个存储器和总线,该至少一个存储器用于存储指令,该至少一个处理器用于调用该至少一个存储器的指令,以进行上述各个方面的方法的操作。According to a tenth aspect, a system chip is provided, the system chip includes an input/output interface, at least one processor, at least one memory, and a bus, the at least one memory is configured to store an instruction, and the at least one processor is configured to invoke the at least one memory The instructions are to perform the operations of the methods of the various aspects described above.
基于上述方案,第一网络设备确定通信***包括的至少一个网络设备覆盖的多个小区中每个小区对应的控制信道在数据区域中的时频资源位置,且该多个小区中每个小区对应的控制信道在该数据区域中的时域资源位置和/或频域资源位置互不相同,并通过该第一网络设备覆盖的至少一个小区中的第一小区对应的控制信道在该数据区域中的第一时频资源位置发送第一小区对应的控制信道,使得终端设备接收控制信道不会受到其他小区发 送控制信道的干扰,提高了终端设备解调控制信道的准确率。The first network device determines, according to the foregoing solution, a time-frequency resource location of a control channel corresponding to each of the plurality of cells covered by the at least one network device that is included in the communication system, and each of the multiple cells corresponds to The time domain resource location and/or the frequency domain resource location of the control channel in the data area are different from each other, and the control channel corresponding to the first cell in the at least one cell covered by the first network device is in the data area. The first time-frequency resource location sends the control channel corresponding to the first cell, so that the terminal device receives the control channel and is not sent by other cells. The interference sent to the control channel improves the accuracy of the demodulation control channel of the terminal device.
附图说明DRAWINGS
图1是传统方案中资源架构的示意图;1 is a schematic diagram of a resource architecture in a conventional scheme;
图2是本申请实施例的应用场景的示意图;2 is a schematic diagram of an application scenario of an embodiment of the present application;
图3是本申请一个实施例的通信方法的示意性流程图;3 is a schematic flowchart of a communication method according to an embodiment of the present application;
图4是本申请一个具体实施例的通信方法的示意图;4 is a schematic diagram of a communication method of a specific embodiment of the present application;
图5是本申请另一个具体实施例的通信方法的示意图;FIG. 5 is a schematic diagram of a communication method according to another embodiment of the present application; FIG.
图6是本申请另一个具体实施例的通信方法的示意图;6 is a schematic diagram of a communication method according to another embodiment of the present application;
图7是本申请另一个具体实施例的通信方法的示意图;FIG. 7 is a schematic diagram of a communication method according to another embodiment of the present application; FIG.
图8是本申请实施例的终端设备的示意性框图;8 is a schematic block diagram of a terminal device according to an embodiment of the present application;
图9是本申请实施例的终端设备的示意性结构图;FIG. 9 is a schematic structural diagram of a terminal device according to an embodiment of the present application;
图10是本申请实施例的网络设备的示意性框图;FIG. 10 is a schematic block diagram of a network device according to an embodiment of the present application; FIG.
图11是本申请实施例的网络设备的示意性结构图;11 is a schematic structural diagram of a network device according to an embodiment of the present application;
图12是本申请实施例的通信***的示意性框图。FIG. 12 is a schematic block diagram of a communication system according to an embodiment of the present application.
具体实施方式Detailed ways
下面将结合附图,对本申请中的技术方案进行描述。The technical solutions in the present application will be described below with reference to the accompanying drawings.
本申请实施例的技术方案可以应用于各种通信***,例如:全球移动通讯(Global System of Mobile communication,GSM)***、码分多址(Code Division Multiple Access,CDMA)***、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)***、通用分组无线业务(General Packet Radio Service,GPRS)、长期演进(Long Term Evolution,LTE)***、LTE频分双工(Frequency Division Duplex,FDD)***、LTE时分双工(Time Division Duplex,TDD)、通用移动通信***(Universal Mobile Telecommunication System,UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access,WiMAX)通信***、未来的第五代(5th Generation,5G)***或新无线(New Radio,NR)等。The technical solutions of the embodiments of the present application can be applied to various communication systems, such as a Global System of Mobile communication (GSM) system, a Code Division Multiple Access (CDMA) system, and a wideband code division multiple access. (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, and the future fifth generation (5th Generation, 5G) system or new radio (New Radio, NR) and so on.
本申请实施例中的终端设备可以指用户设备、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。终端设备还可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字处理(Personal Digital Assistant,PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备,未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(Public Land Mobile Network,PLMN)中的终端设备等,本申请实施例对此并不限定。The terminal device in the embodiment of the present application may refer to a user equipment, an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or User device. The terminal device may also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication. Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in future 5G networks, or in the future evolution of the Public Land Mobile Network (PLMN) The terminal device and the like are not limited in this embodiment of the present application.
本申请实施例中的网络设备可以是用于与终端设备通信的设备,该网络设备可以是全球移动通讯(Global System of Mobile communication,GSM)***或码分多址(Code Division Multiple Access,CDMA)中的基站(Base Transceiver Station,BTS),也可以是宽带码分多址(Wideband Code Division Multiple Access,WCDMA)***中的基站(NodeB,NB),还可以是LTE***中的演进型基站(Evolutional NodeB,eNB或eNodeB),还可以是云 无线接入网络(Cloud Radio Access Network,CRAN)场景下的无线控制器,或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等,本申请实施例并不限定。The network device in the embodiment of the present application may be a device for communicating with the terminal device, and the network device may be a Global System of Mobile communication (GSM) system or Code Division Multiple Access (CDMA). Base Transceiver Station (BTS), which may also be a base station (NodeB, NB) in a Wideband Code Division Multiple Access (WCDMA) system, or an evolved base station in an LTE system (Evolutional NodeB, eNB or eNodeB), can also be a cloud A wireless controller in a scenario of a Cloud Radio Access Network (CRAN), or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and a network device in a future 5G network or a PLMN in the future. The network device and the like in the network are not limited in this embodiment.
5G通信***致力于支持更高***性能,支持更多业务类型,以及支持不同部署场景和更宽的频谱范围。其中,业务类型主要包括增强移动宽带(enhanced Mobile Broadband,eMBB)业务,海量机器类型通信(Massive Machine Type Communication,mMTC)业务,超可靠低延迟通信(Ultra-reliable and low latency communications,URLLC)业务,多媒体广播多播业务(Multimedia Broadcast Multicast Service,MBMS)和定位业务等等;部署场景主要包括室内热点(Indoor hotspot),密集城区(dense urban),郊区,城区宏覆盖(Urban Macro)及高铁场景等;更宽的频谱范围主要是指高达100GHz的频谱范围,也就是说,既包括6GHz以下的低频部分,也包括6GHz以上最高到100GHz的高频部分。The 5G communication system is dedicated to supporting higher system performance, supporting more service types, and supporting different deployment scenarios and a wider spectrum range. Among them, the service types mainly include enhanced mobile broadband (eMBB) services, Massive Machine Type Communication (mMTC) services, and Ultra-reliable and low latency communications (URLLC) services. Multimedia Broadcast Multicast Service (MBMS) and positioning services, etc.; deployment scenarios include indoor hotspot, dense urban, suburban, urban macro and high-speed rail scenes, etc. The wider spectral range mainly refers to the spectral range up to 100 GHz, that is, the low frequency portion below 6 GHz, and the high frequency portion above 6 GHz up to 100 GHz.
如图1所示,控制区域由一个下行子帧的前面几个正交频分多路复用技术(Orthogonal Frequency Division Multiplexing,OFDM)符号组成,并且分布在整个下行***带宽上。数据区域为一个下行子帧中除了控制区域外的时频资源。具体地,若下行***带宽小于等于10RB,则控制区域占一个下行子帧的前面2-4个OFDM符号。As shown in FIG. 1, the control region is composed of the first Orthogonal Frequency Division Multiplexing (OFDM) symbols of one downlink subframe and is distributed over the entire downlink system bandwidth. The data area is a time-frequency resource other than the control area in one downlink subframe. Specifically, if the downlink system bandwidth is less than or equal to 10 RBs, the control region occupies the first 2-4 OFDM symbols of one downlink subframe.
图2示出了本申请实施例的应用场景。如图2所示,无人机设备在空中由于传播环境和地面不同,导致了和地面通信不同的特性。空中由于无障碍物的遮挡,几乎都是视距传输(Line of sight,LoS)径,这样无人机设备接收到的信号强度比较大。传统方案中,网络设备在控制区域的全带宽上向无人机设备发送控制信道,同时该网络设备或相邻的其他网络设备也会在控制区域的全带宽上向其他终端设备发送控制信道,使得无人机设备接收控制信道受到干扰,进而影响无人机设备对控制信道的正确解调。FIG. 2 shows an application scenario of an embodiment of the present application. As shown in Fig. 2, the drone equipment is different in the air due to the different propagation environment and the ground, resulting in different characteristics from the ground communication. Due to the obstruction of obstacles in the air, almost all of the line of sight (LoS) diameters, so that the signal strength received by the drone equipment is relatively large. In the conventional solution, the network device sends a control channel to the UAV device on the full bandwidth of the control region, and the network device or other adjacent network device also sends a control channel to other terminal devices over the full bandwidth of the control region. The UAV device receives the control channel from interference, which in turn affects the correct demodulation of the control channel by the UAV device.
图3示出了本申请实施例的通信方法的示意性流程图。FIG. 3 is a schematic flowchart of a communication method of an embodiment of the present application.
本申请实施例应用于包括至少一个网络设备和终端设备的通信***中,该至少一个网络设备覆盖多个小区。The embodiment of the present application is applied to a communication system including at least one network device and a terminal device, the at least one network device covering a plurality of cells.
301,该至少一个网络设备中的第一网络设备确定该多个小区中每个小区对应的控制信道在数据区域中的时频资源位置,且该多个小区中的每个小区对应的控制信道在该数据区域中的时频资源位置的时域资源位置和/或频域资源位置互不相同。301. The first network device of the at least one network device determines a time-frequency resource location of a control channel corresponding to each cell of the multiple cells in a data region, and a control channel corresponding to each of the multiple cells The time domain resource location and/or the frequency domain resource location of the time-frequency resource location in the data region are different from each other.
该第一网络设备可以是该至少一个网络设备中的任一个网络设备。该多个小区可以是在同一个网络设备覆盖的范围内,也可以是不同的网络设备覆盖的范围内,本申请对此不进行限定。The first network device can be any one of the at least one network device. The multiple cells may be in the range covered by the same network device, or may be in the range covered by different network devices, which is not limited in this application.
需要说明的是,若该通信***中包括多个网络设备,则第一网络设备确定其他网络设备覆盖范围内的小区对应的控制信道在数据区域中的时频资源位置可以是通过控制该多个网络设备的核心网设备统一配置的,也可以该多个网络设备中的其他网络设备确定各自覆盖范围内各个小区对应的控制信道在数据区域中的时频资源位置后告知该第一网络设备,本申请对此不进行限定。It should be noted that, if the network system includes multiple network devices, the first network device determines that the time-frequency resource location of the control channel corresponding to the cell in the coverage of the other network device in the data region may be by controlling the multiple The core network device of the network device is uniformly configured, and the other network devices of the multiple network devices may determine the time-frequency resource location of the control channel corresponding to each cell in the respective coverage area after the time-frequency resource location in the data area, and then notify the first network device. This application does not limit this.
应理解,每个小区对应的控制信道的时频资源包括时域资源和频域资源。其中,频域资源可以是至少一个频带,至少一个子带,或者也可以是至少一个子载波;时域资源可以是数据区域的全部时域资源,也可以是数据区域的部分时域资源。It should be understood that the time-frequency resources of the control channel corresponding to each cell include time domain resources and frequency domain resources. The frequency domain resource may be at least one frequency band, at least one sub-band, or may be at least one sub-carrier; the time domain resource may be all time domain resources of the data area, or may be part of the time domain resource of the data area.
还应理解,多个小区对应的控制信道在数据区域中的时频资源位置可以是连续的,也 可以是非连续的。It should also be understood that the time-frequency resource locations of the control channels corresponding to multiple cells in the data region may be continuous, Can be non-continuous.
例如,如图4所示,该多个小区分别对应的控制信道在数据区域中的时频资源的频域资源位置互不相同。或者,如图5所示,该多个小区分别对应的控制信道在数据区域中的时频资源的时域资源位置互不相同。For example, as shown in FIG. 4, the frequency domain resource positions of the time-frequency resources in the data area corresponding to the control channels of the multiple cells are different from each other. Alternatively, as shown in FIG. 5, the time domain resource locations of the time-frequency resources in the data area corresponding to the control channels of the multiple cells are different from each other.
需要说明的是,在多个小区分别对应的控制信道在数据区域中的时频资源位置的时域资源位置互不相同时,频域资源位置可以相同,也可以不相同,本申请实施例对此不进行限定。在多个小区分别对应的控制信道在数据区域中的时频资源位置的频域资源位置互不相同时,时域资源位置可以相同,也可以不相同。It should be noted that, when the time domain resource locations of the time-frequency resource locations in the data area of the control channels of the multiple cells are different from each other, the frequency domain resource locations may be the same or different. This is not limited. When the frequency domain resource locations of the time-frequency resource locations in the data area of the control channel corresponding to the multiple cells are different from each other, the time domain resource locations may be the same or different.
可选地,本申请实施例的控制信道可以包括物理混合自动重传请求指示信道(Physical Hybrid-ARQ Indicator Channel,PHICH)、物理控制格式指示信道(Physical Control Format Indicator Channel,PCFICH)和物理下行链路控制信道(Physical Downlink Control Channel,PDCCH)中的至少一项。Optionally, the control channel of the embodiment of the present application may include a Physical Hybrid-ARQ Indicator Channel (PHICH), a Physical Control Format Indicator Channel (PCFICH), and a physical downlink. At least one of a Physical Downlink Control Channel (PDCCH).
具体地,PDCCH可以包括公共搜索空间和终端设备特定搜索空间。Specifically, the PDCCH may include a common search space and a terminal device specific search space.
302,终端设备确定该终端设备所属的第一小区对应的控制信道在数据区域中的第一时频资源位置,且该第一时频资源位置与多个小区中除该第一小区外的其他小区对应的控制信道在该数据区域中的时频资源位置不相同。302. The terminal device determines a first time-frequency resource location of the control channel corresponding to the first cell to which the terminal device belongs in the data region, and the first time-frequency resource location and other cells in the plurality of cells except the first cell The time-frequency resource locations of the control channels corresponding to the cells in the data region are different.
可选地,本申请实施例的终端设备可以是无人机设备,还可以是前述提到的其他设备,本申请对此不进行限定。Optionally, the terminal device in the embodiment of the present application may be an unmanned device, and may be other devices mentioned above, which is not limited in this application.
可选地,终端设备在确定第一时频资源位置之前,还可以接收到网络设备发送的广播信息,并根据该广播信息确定该第一时频资源位置。Optionally, before determining the first time-frequency resource location, the terminal device may further receive the broadcast information sent by the network device, and determine the first time-frequency resource location according to the broadcast information.
具体地,该广播信息可以是该通信***包括的至少一个网络设备中的每个网络设备在相同的时频资源位置发送的信息。这样终端设备可以根据广播信息确定该第一时频资源位置。Specifically, the broadcast information may be information that is sent by each of the at least one network device included in the communication system at the same time-frequency resource location. In this way, the terminal device can determine the first time-frequency resource location according to the broadcast information.
需要说明的是,本申请实施例中可以将该发送广播信息的方式称为“联合发送”。It should be noted that, in the embodiment of the present application, the manner of transmitting the broadcast information may be referred to as “joint transmission”.
可选地,该至少一个网络设备中的每个网络设备发送广播信息,终端设备可能会接收到多个网络设备发送的广播信息,从而提高了终端设备接收广播信息的可靠性。Optionally, each of the at least one network device sends broadcast information, and the terminal device may receive broadcast information sent by the multiple network devices, thereby improving the reliability of the terminal device receiving the broadcast information.
可选地,广播信息可以包括该至少一个网络设备覆盖的多个小区中每个小区的小区标识,以及每个小区的小区标识对应的控制信道在数据区域中的时频资源位置,这样终端设备可以根据第一小区的小区标识和广播信息确定出第一小区对应的控制信道在数据区域中的时频资源位置,提高了终端设备确定控制信道的时频资源位置的准确性。Optionally, the broadcast information may include a cell identifier of each of the plurality of cells covered by the at least one network device, and a time-frequency resource location of the control channel corresponding to the cell identifier of each cell in the data region, such that the terminal device The time-frequency resource location of the control channel corresponding to the first cell in the data area may be determined according to the cell identifier and the broadcast information of the first cell, and the accuracy of determining the time-frequency resource location of the control channel by the terminal device is improved.
可选地,小区的小区标识可以是物理小区标识(physical channel identity,PCI),也可以是其他标识,本申请对此不进行限定。Optionally, the cell identifier of the cell may be a physical channel identity (PCI), or may be other identifiers, which is not limited in this application.
可选地,终端设备也可以根据接收到第一信号的第二时频资源位置,确定接收广播信息的时频资源位置。具体地,终端设备可以与网络设备预先约定,通过全频带上盲检第一信号,并确定接收到第一信号的第二时频资源位置,进而在第二时频资源位置的N个符号后的时频资源位置接收广播信息。其中,N为终端设备和网络设备预先约定的大于等于0的整数。Optionally, the terminal device may also determine, according to the second time-frequency resource location that receives the first signal, a location of the time-frequency resource that receives the broadcast information. Specifically, the terminal device may pre-arrange with the network device to blindly detect the first signal by using the entire frequency band, and determine the second time-frequency resource location of the first signal, and then the N symbols of the second time-frequency resource location. The time-frequency resource location receives broadcast information. Where N is an integer that is pre-agreed by the terminal device and the network device and is greater than or equal to 0.
可选地,该第一信号可以携带第一序列的信号,也可以是其他信号。第一序列可以是同步序列,也可以是其他窄带的特殊序列,本申请对此不进行限定。 Optionally, the first signal may carry the signal of the first sequence, or may be other signals. The first sequence may be a synchronization sequence or a special sequence of other narrowbands, which is not limited in this application.
例如,如图6所示,在接收到同步信号的时域资源位置的3个OFDM符号后的时频资源位置接收广播信息。For example, as shown in FIG. 6, the broadcast information is received at a time-frequency resource location after 3 OFDM symbols of the time domain resource location of the synchronization signal.
可选地,该至少一个网络设备中的每个网络设备可以在第二时频资源位置后的N个符号的时频资源位置上发送广播信息,这样终端设备可能会接收到多个网络设备发送的广播信息,从而提高了终端设备接收广播信息的可靠性。Optionally, each of the at least one network device may send broadcast information on a time-frequency resource location of N symbols after the second time-frequency resource location, such that the terminal device may receive multiple network device transmissions. Broadcast information, thereby improving the reliability of the terminal device receiving broadcast information.
可选地,终端设备可以接收包括至少一个比特位的第一物理广播信道(Physical Broadcast Channel,PBCH)通知信息,该至少一个比特位的取值用于确定第三时频资源位置,并在该第三时频资源位置接收该广播信息,这样终端设备可以根据第一PBCH通知信息准确的确定出接收到广播信息的时频资源位置,从而提高了接收广播信息的可靠性。Optionally, the terminal device may receive a first physical broadcast channel (PBCH) notification information including at least one bit, where the value of the at least one bit is used to determine a third time-frequency resource location, and The third time-frequency resource location receives the broadcast information, so that the terminal device can accurately determine the time-frequency resource location of the received broadcast information according to the first PBCH notification information, thereby improving the reliability of receiving the broadcast information.
可选地,终端设备可以与网络设备约定在多播/组播单频网络(Multicast Broadcast Single Frequency Network,MBSFN)子帧上接收该广播信息,或者在非MBSFN子帧中除用于传输小区特定的参考信号(Cell-specific Reference Signal,CRS)的符号外的符号上接收该广播信息。Optionally, the terminal device may agree with the network device to receive the broadcast information on a Multicast Broadcast Single Frequency Network (MBSFN) subframe, or in a non-MBSFN subframe, except for transmitting a cell specific The broadcast information is received on a symbol other than the symbol of the Cell-specific Reference Signal (CRS).
需要说明的是,在非MBSFN子帧中用于传输CRS的符号根据天线端口数的不同而不同,即CRS可以是在非MBSFN子帧的第1个符号和第5个符号上传输,也可以是在非MBSFN子帧的第1、2和5个符号上传输。这样广播信息可以是在除用于传输CRS的符号外的第3、4、6和/或7个符号上传输,也可以是在除用于传输CRS的符号外的第2、3、4、6和/或7个符号上传输。It should be noted that, in the non-MBSFN subframe, the symbol used for transmitting the CRS is different according to the number of antenna ports, that is, the CRS may be transmitted on the first symbol and the fifth symbol of the non-MBSFN subframe, or It is transmitted on the first, second and fifth symbols of the non-MBSFN subframe. Such broadcast information may be transmitted on the 3rd, 4th, 6th and/or 7th symbols in addition to the symbols used to transmit the CRS, or may be in the 2nd, 3rd, 4th, except for the symbols used to transmit the CRS. Transfer on 6 and / or 7 symbols.
可选地,终端设备在确定接收第一小区的控制信道的第一时频资源位置之前,还可以接收到第一小区所属的第一网络设备发送的第二物理广播信道PBCH通知信息,并根据该第二物理广播信道PBCH通知信息确定该第一时频资源位置。Optionally, the terminal device may further receive, after receiving the first time-frequency resource location of the control channel of the first cell, the second physical broadcast channel PBCH notification information sent by the first network device to which the first cell belongs, and according to The second physical broadcast channel PBCH notification information determines the first time-frequency resource location.
可选地,该第二PBCH通知信息包括至少一个比特位,该至少一个比特位的取值用于第一终端设备确定该第一时频资源位置,这样终端设备可以根据该至少一个比特位的取值确定该第一时频资源位置。Optionally, the second PBCH notification information includes at least one bit, where the value of the at least one bit is used by the first terminal device to determine the first time-frequency resource location, so that the terminal device can be configured according to the at least one bit The value determines the location of the first time-frequency resource.
例如,该第二PBCH通知信息包括5bit,则该第二PBCH通知信息可以用于指示25个数据区域中的时频资源位置。For example, the second notification information includes 5bit PBCH, PBCH the second notification information may be used to indicate when the data area 25 in the position of frequency resources.
可选地,网络设备还可以更具体指示某一个小区内不同终端设备使用的时频资源。Optionally, the network device may further specifically indicate time-frequency resources used by different terminal devices in a certain cell.
可选地,若多个小区中每个小区对应的控制信道在该数据区域中的时频资源位置的频域资源位置互不相同,则该至少一个比特位的取值可以用于指示第一时频资源位置与数据区域中的第一位置的频域偏移量,这样终端设备可以根据该频域偏移量和该第一位置,确定第一时频资源位置。Optionally, if the frequency domain resource locations of the time-frequency resource locations of the control channel corresponding to each cell in the multiple cells are different from each other, the value of the at least one bit may be used to indicate the first The time domain resource location is offset from the first location in the data region, such that the terminal device can determine the first time-frequency resource location based on the frequency domain offset and the first location.
需要说明的是,该第一位置可以是数据区域的起始频域位置、中心频域位置和结束频域位置中的任一项。It should be noted that the first location may be any one of a starting frequency domain location, a central frequency domain location, and an ending frequency domain location of the data region.
例如,如图7所示,若该第二PBCH通知信息包括3bit,以数据区域的中心频域位置为第一位置,则终端设备可以根据3bit的取值确定与中心频域位置的频域偏移量,并确定出第一时频资源位置。即以“000”表示数据区域的中心频域位置,“001”表示与中心频域位置偏移一个频域单元。For example, as shown in FIG. 7, if the second PBCH notification information includes 3 bits, and the central frequency domain location of the data area is the first location, the terminal device may determine the frequency domain offset from the central frequency domain location according to the value of the 3 bit. Move the amount and determine the location of the first time-frequency resource. That is, "000" indicates the central frequency domain position of the data region, and "001" indicates that the frequency domain unit is offset from the central frequency domain position.
可选地,若多个小区中每个小区对应的控制信道在该数据区域中的时频资源位置的时域资源位置互不相同,则该至少一个比特位的取值可以用于指示第一时频资源位置与数据 区域中的第二位置的时域偏移量,这样终端设备可以根据该时域偏移量和该第二位置,确定第一时频资源位置。Optionally, if the time domain resource locations of the time-frequency resource locations of the control channel corresponding to each cell in the multiple cells are different from each other, the value of the at least one bit may be used to indicate the first Time-frequency resource location and data The time domain offset of the second location in the area, such that the terminal device can determine the first time-frequency resource location according to the time domain offset and the second location.
需要说明的是,该第二位置可以是数据区域的起始时域位置、中心时域位置和结束时域位置中的任一项。It should be noted that the second location may be any one of a start time domain location, a central time domain location, and an end time domain location of the data region.
303,第一网络设备通过第一小区对应的控制信道在该数据区域中的第一时频资源位置,发送第一小区对应的控制信道,该第一小区为该第一网络设备覆盖范围内的任一个小区。即第一网络设备在步骤301确定的时频资源位置上发送第一小区对应的控制信道。303. The first network device sends, by using a control channel corresponding to the first cell, a control channel corresponding to the first cell in a first time-frequency resource location in the data area, where the first cell is within the coverage of the first network device. Any cell. That is, the first network device sends the control channel corresponding to the first cell at the time-frequency resource location determined in step 301.
相应地,终端设备可以在自己所属的小区对应的时频资源位置上接收到对应的控制信道。Correspondingly, the terminal device can receive the corresponding control channel at the time-frequency resource location corresponding to the cell to which the cell belongs.
需要说明的是,本申请实施例中网络设备和终端设备之间仅在数据区域中的时频资源位置上传输控制信道,数据暂时不在该数据区域中传输。It should be noted that, in the embodiment of the present application, the network device and the terminal device transmit the control channel only at the time-frequency resource location in the data area, and the data is temporarily not transmitted in the data area.
此外,终端设备在每个小区对应的数据区域中的时频资源位置监测并接收控制信道,而不需要在控制区域监测或接收控制信道。In addition, the terminal device monitors and receives the control channel at the time-frequency resource location in the data region corresponding to each cell without monitoring or receiving the control channel in the control region.
因此,本申请实施例的通信方法,第一网络设备确定通信***包括的至少一个网络设备覆盖的多个小区中每个小区对应的控制信道在数据区域中的时频资源位置,且该多个小区中每个小区对应的控制信道在该数据区域中的时域资源位置和/或频域资源位置互不相同,并通过该第一网络设备覆盖的至少一个小区中的第一小区对应的控制信道在该数据区域中的第一时频资源位置上发送该第一小区对应的控制信道,使得终端设备接收控制信道不会受到其他小区发送控制信道的干扰,提高了终端设备解调控制信道的准确率。Therefore, in the communication method of the embodiment of the present application, the first network device determines a time-frequency resource location of the control channel corresponding to each of the plurality of cells covered by the at least one network device that is included in the communication system, and the multiple The time domain resource location and/or the frequency domain resource location of the control channel corresponding to each cell in the cell are different from each other, and the corresponding control of the first cell in the at least one cell covered by the first network device The channel transmits the control channel corresponding to the first cell in the first time-frequency resource location in the data area, so that the terminal device receives the control channel without being interfered by the control channel of the other cell, and improves the demodulation control channel of the terminal device. Accuracy.
图8示出了本申请实施例的终端设备800的示意性框图。如图8所示,应用于包括终端设备和至少一个网络设备的通信***中,该至少一个网络设备覆盖多个小区,该终端设备800包括:FIG. 8 shows a schematic block diagram of a terminal device 800 of an embodiment of the present application. As shown in FIG. 8, in a communication system including a terminal device and at least one network device, the at least one network device covers a plurality of cells, and the terminal device 800 includes:
处理模块810,用于确定该终端设备所属的第一小区对应的控制信道在数据区域中的第一时频资源位置,且该多个小区中每个小区对应的控制信道在该数据区域中的时频资源位置的时域资源位置和/或频域资源位置互不相同;The processing module 810 is configured to determine a first time-frequency resource location of the control channel corresponding to the first cell to which the terminal device belongs in the data area, and the control channel corresponding to each of the multiple cells is in the data area The time domain resource location and/or the frequency domain resource location of the time-frequency resource location are different from each other;
接收模块820,用于在该第一时频资源位置,接收该第一小区对应的控制信道。The receiving module 820 is configured to receive, according to the first time-frequency resource location, a control channel corresponding to the first cell.
可选地,该接收模块820,还用于接收广播信息;该处理模块810,还用于根据该广播信息,确定该第一时频资源位置。Optionally, the receiving module 820 is further configured to receive broadcast information. The processing module 810 is further configured to determine the first time-frequency resource location according to the broadcast information.
可选地,该广播信息包括该多个小区的小区标识和该多个小区的小区标识中的每个小区标识对应的控制信道在该数据区域中的时频资源位置,该处理模块810具体用于:根据该第一小区的小区标识,确定该第一时频资源位置。Optionally, the broadcast information includes a cell identifier of the multiple cells, and a time-frequency resource location of the control channel corresponding to each cell identifier of the cell identifiers in the data region, where the processing module 810 is specifically configured. The determining: the first time-frequency resource location is determined according to the cell identifier of the first cell.
可选地,该处理模块810,还用于确定接收第一信号的第二时频资源位置,该第一信号包括第一序列;其中,该接收模块820具体用于:在该第二时频资源位置的时域资源的N个符号后的时频资源位置接收至少一个该网络设备发送的该广播信息,其中,N为预设的大于等于0的正整数。Optionally, the processing module 810 is further configured to determine a second time-frequency resource location that receives the first signal, where the first signal includes a first sequence, where the receiving module 820 is specifically configured to: at the second time-frequency The time-frequency resource location after the N symbols of the time domain resource of the resource location receives the broadcast information sent by the at least one network device, where N is a preset positive integer greater than or equal to 0.
可选地,该接收模块820,还用于接收第一物理广播信道PBCH通知信息,该第一PBCH通知信息包括至少一个比特位;该处理模块810,还用于根据该至少一个比特位的取值,确定第三时频资源位置;其中,该接收模块820具体用于:在该第三时频资源位置,接收该广播信息。 Optionally, the receiving module 820 is further configured to receive the first physical broadcast channel PBCH notification information, where the first PBCH notification information includes at least one bit; the processing module 810 is further configured to: according to the at least one bit And determining, by the value, the third time-frequency resource location; wherein the receiving module 820 is specifically configured to: receive the broadcast information at the third time-frequency resource location.
可选地,该接收模块820,还用于接收第二PBCH通知信息;该处理模块810,还用于根据该第二PBCH通知信息,确定该第一时频资源位置。Optionally, the receiving module 820 is further configured to receive the second PBCH notification information. The processing module 810 is further configured to determine the first time-frequency resource location according to the second PBCH notification information.
可选地,该第二PBCH通知信息包括至少一个比特位;其中,该处理模块810具体用于:根据该至少一个比特位的取值,确定该第一时频资源位置。Optionally, the second PBCH notification information includes at least one bit; wherein the processing module 810 is specifically configured to: determine the first time-frequency resource location according to the value of the at least one bit.
因此,本申请实施例终端设备确定该终端设备所属的第一小区对应的控制信道在数据区域中的第一时频资源位置,且该多个小区中每个小区对应的控制信道在该数据区域中的时域资源位置和/或频域资源位置互不相同,终端设备在该第一时频资源位置上接收第一小区对应的控制信道,这样终端设备接收控制信道不会受到其他小区发送控制信道的干扰,提高了终端设备解调控制信道的准确率。Therefore, the terminal device in the embodiment of the present application determines the first time-frequency resource location of the control channel corresponding to the first cell to which the terminal device belongs in the data region, and the control channel corresponding to each cell in the multiple cells is in the data region. The time domain resource location and/or the frequency domain resource location are different from each other, and the terminal device receives the control channel corresponding to the first cell at the first time-frequency resource location, so that the terminal device receives the control channel and is not controlled by other cells. The interference of the channel improves the accuracy of the demodulation control channel of the terminal device.
应理解,根据本申请实施例的终端设备800可对应于本申请实施例的通信方法300中的终端设备,并且终端设备800中的各个模块的上述和其它管理操作和/或功能分别为了实现前述各个方法的相应步骤,为了简洁,在此不再赘述。It should be understood that the terminal device 800 according to the embodiment of the present application may correspond to the terminal device in the communication method 300 of the embodiment of the present application, and the foregoing and other management operations and/or functions of the respective modules in the terminal device 800 respectively implement the foregoing The corresponding steps of each method are not repeated here for brevity.
本申请实施例中的接收模块820可以由收发器实现,处理模块810可以由处理器实现。如图9所示,终端设备900可以包括收发器910,处理器920和存储器930。其中,存储器930可以用于存储指示信息,还可以用于存储处理器920执行的代码、指令等。The receiving module 820 in the embodiment of the present application may be implemented by a transceiver, and the processing module 810 may be implemented by a processor. As shown in FIG. 9, the terminal device 900 may include a transceiver 910, a processor 920, and a memory 930. The memory 930 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 920.
图10示出了本申请实施例的网络设备1000的示意性框图。如图10所示,应用于包括终端设备和至少一个网络设备的通信***中,该至少一个网络设备覆盖多个小区,该网络设备1000可以该至少一个网络设备中的第一网络设备,该网络设备1000包括:FIG. 10 shows a schematic block diagram of a network device 1000 of an embodiment of the present application. As shown in FIG. 10, in a communication system including a terminal device and at least one network device, the at least one network device covers a plurality of cells, and the network device 1000 may be a first network device of the at least one network device, the network Apparatus 1000 includes:
处理模块1010,用于确定该多个小区中每个小区对应的控制信道在数据区域中的时频资源位置,且该多个小区中的每个小区对应的控制信道在该数据区域中的时频资源位置互不相同;The processing module 1010 is configured to determine a time-frequency resource location of a control channel corresponding to each cell in the multiple cells in a data region, and a control channel corresponding to each of the multiple cells is in the data region The frequency resource locations are different from each other;
发送模块1020,用于通过第一小区对应的控制信道在该数据区域中的第一时频资源位置,发送该第一小区对应的控制信道,该第一小区为该第一网络设备覆盖的至少一个小区中的任一个小区。The sending module 1020 is configured to send, by using a control channel corresponding to the first cell, a control channel corresponding to the first cell in a first time-frequency resource location in the data area, where the first cell is at least covered by the first network device Any cell in a cell.
可选地,该发送模块1020,还用于发送广播信息,该广播信息用于该第一小区内的每个终端设备确定该第一小区对应的控制信道在该数据区域中的第一时频资源位置。Optionally, the sending module 1020 is further configured to send broadcast information, where the broadcast information is used by each terminal device in the first cell to determine a first time frequency of a control channel corresponding to the first cell in the data region. Resource location.
可选地,该广播信息包括该多个小区的小区标识和该多个小区的小区标识中的每个小区标识对应的控制信道在该数据区域中的时频资源位置。Optionally, the broadcast information includes a cell identifier of the multiple cells and a time-frequency resource location of the control channel corresponding to each cell identifier of the plurality of cells in the data region.
可选地,该处理模块1010,还用于确定发送第一信号的第二时频资源位置,该第一信号包括第一序列;其中,该发送模块1020具体用于:在该第二时频资源位置的时域资源的N个符号后的时频资源位置上发送该广播信息,且该第二时频资源位置的时域资源位置的N个符号后的时频资源位置还用于该至少一个网络设备中除该第一网络设备外的其他网络设备发送该广播信息,其中,N为预设的大于等于0的正整数。Optionally, the processing module 1010 is further configured to determine a second time-frequency resource location for transmitting the first signal, where the first signal includes a first sequence, where the sending module 1020 is specifically configured to: at the second time-frequency The broadcast information is sent on the time-frequency resource location after the N symbols of the time domain resource of the resource location, and the time-frequency resource location after the N symbols of the time domain resource location of the second time-frequency resource location is also used for the at least The other network device except the first network device sends the broadcast information, where N is a preset positive integer greater than or equal to 0.
可选地,该发送模块1020,还用于发送第一物理广播信道PBCH通知信息,该第一PBCH通知信息包括至少一个比特位,该至少一个比特位的取值用于第一终端设备确定接收该广播信息的第三时频资源位置,该第一终端设备为该第一小区内任一个终端设备。Optionally, the sending module 1020 is further configured to send a first physical broadcast channel PBCH notification information, where the first PBCH notification information includes at least one bit, where the value of the at least one bit is used by the first terminal device to determine to receive The third time-frequency resource location of the broadcast information, where the first terminal device is any one of the terminal devices in the first cell.
可选地,该发送模块1020,还用于发送第二PBCH通知信息,该第二物理广播信道PBCH通知信息用于该第一终端设备确定该第一小区对应的控制信道的第一时频资源位置,该第一终端设备为该第一小区内的任一个终端设备。 Optionally, the sending module 1020 is further configured to send the second PBCH notification information, where the second physical broadcast channel PBCH notification information is used by the first terminal device to determine the first time-frequency resource of the control channel corresponding to the first cell. The first terminal device is any one of the terminal devices in the first cell.
可选地,该第二PBCH通知信息包括至少一个比特位,该至少一个比特位的取值用于该第一终端设备确定该第一时频资源位置。Optionally, the second PBCH notification information includes at least one bit, and the value of the at least one bit is used by the first terminal device to determine the first time-frequency resource location.
因此,本申请实施例,第一网络设备确定通信***包括的至少一个网络设备覆盖的多个小区中每个小区对应的控制信道在数据区域中的时频资源位置,且该多个小区中每个小区对应的控制信道在该数据区域中的时域资源位置和/或频域资源位置互不相同,并通过该第一网络设备覆盖的至少一个小区中的第一小区对应的控制信道在该数据区域中的第一时频资源位置发送第一小区对应的控制信道,使得终端设备接收控制信道不会受到其他小区发送控制信道的干扰,提高了终端设备解调控制信道的准确率。Therefore, in the embodiment of the present application, the first network device determines a time-frequency resource location of a control channel corresponding to each cell of each of the plurality of cells covered by the at least one network device that is included in the communication system, and each of the multiple cells The time domain resource location and/or the frequency domain resource location of the control channel corresponding to the cell in the data area are different from each other, and the control channel corresponding to the first cell in the at least one cell covered by the first network device is in the The first time-frequency resource location in the data area sends the control channel corresponding to the first cell, so that the terminal device receives the control channel without being interfered by the control channel of the other cell, and improves the accuracy of the terminal device demodulating the control channel.
应理解,根据本申请实施例的网络设备1000可对应于本申请实施例的通信方法300中的网络设备,并且网络设备1000中的各个模块的上述和其它管理操作和/或功能分别为了实现前述各个方法的相应步骤,为了简洁,在此不再赘述。It should be understood that the network device 1000 according to the embodiment of the present application may correspond to the network device in the communication method 300 of the embodiment of the present application, and the foregoing and other management operations and/or functions of the respective modules in the network device 1000 respectively implement the foregoing The corresponding steps of each method are not repeated here for brevity.
本申请实施例中的发送模块1020可以由收发器实现,处理模块1010可以由处理器实现。如图11所示,网络设备1100可以包括收发器1110,处理器1120和存储器1130。其中,存储器1130可以用于存储指示信息,还可以用于存储处理器1120执行的代码、指令等。The sending module 1020 in the embodiment of the present application may be implemented by a transceiver, and the processing module 1010 may be implemented by a processor. As shown in FIG. 11, network device 1100 can include a transceiver 1110, a processor 1120, and a memory 1130. The memory 1130 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 1120.
应理解,处理器920或处理器1120可以是集成电路芯片,具有信号的处理能力。在实现过程中,上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现成可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器,处理器读取存储器中的信息,结合其硬件完成上述方法的步骤。It should be understood that processor 920 or processor 1120 can be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the foregoing method embodiments may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software. The processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a Field Programmable Gate Array (FPGA), or the like. Programming logic devices, discrete gates or transistor logic devices, discrete hardware components. The methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor. The software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method.
可以理解,本申请实施例中的存储器930或存储器1130可以是易失性存储器或非易失性存储器,或可包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory,RAM),其用作外部高速缓存。通过示例性但不是限制性说明,许多形式的RAM可用,例如静态随机存取存储器(Static RAM,SRAM)、动态随机存取存储器(Dynamic RAM,DRAM)、同步动态随机存取存储器(Synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM,DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(Synchronous link DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)。 It can be understood that the memory 930 or the memory 1130 in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory. The non-volatile memory may be a read-only memory (ROM), a programmable read only memory (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory. The volatile memory can be a Random Access Memory (RAM) that acts as an external cache. By way of example and not limitation, many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM). SDRAM), Double Data Rate SDRAM (DDR SDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Synchronous Link DRAM (Synchronous Link DRAM) SLDRAM) and Direct Memory Bus Random Access Memory (DR RAM).
应注意,本文描述的***和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。It should be noted that the memories of the systems and methods described herein are intended to comprise, without being limited to, these and any other suitable types of memory.
本申请实施例还提供了一种***芯片,该***芯片包括输入输出接口、至少一个处理器、至少一个存储器和总线,该至少一个存储器用于存储指令,该至少一个处理器用于调用该至少一个存储器的指令,以进行上述各个实施例的方法的操作。The embodiment of the present application further provides a system chip, where the system chip includes an input and output interface, at least one processor, at least one memory, and a bus, the at least one memory is configured to store an instruction, and the at least one processor is configured to invoke the at least one The instructions of the memory are operative to perform the methods of the various embodiments described above.
图12示出了本申请实施例的通信***1200,该通信***1200包括:FIG. 12 shows a communication system 1200 of an embodiment of the present application, the communication system 1200 comprising:
如图8所示的实施例中的终端设备800和如图10所示的实施例中的网络设备1000。The terminal device 800 in the embodiment shown in FIG. 8 and the network device 1000 in the embodiment shown in FIG.
本申请实施例还提供一种计算机存储介质,该计算机存储介质可以存储用于指示上述任一种方法的程序指令。The embodiment of the present application further provides a computer storage medium, which can store program instructions for indicating any of the above methods.
可选地,该存储介质具体可以为存储器930或1130。Optionally, the storage medium may be specifically a memory 930 or 1130.
本申请实施例还提供了一种芯片***,该芯片***包括处理器,用于支持分布式单元、集中式单元以及终端设备以实现上述实施例中所涉及的功能,例如,例如生成或处理上述方法中所涉及的数据和/或信息。在一种可能的设计中,所述芯片***还包括存储器,所述存储器,用于保存分布式单元、集中式单元以及终端设备必要的程序指令和数据。该芯片***,可以由芯片构成,也可以包含芯片和其他分立器件。应当理解的是,该芯片处理的数据和/或信息可接收自基站,处理后的数据和/或信息也可发送给基站。The embodiment of the present application further provides a chip system, where the chip system includes a processor for supporting a distributed unit, a centralized unit, and a terminal device to implement functions involved in the foregoing embodiments, for example, generating or processing the foregoing. Data and/or information involved in the method. In a possible design, the chip system further comprises a memory for storing the distributed program, the centralized unit and the necessary program instructions and data of the terminal device. The chip system can be composed of chips, and can also include chips and other discrete devices. It should be understood that the data and/or information processed by the chip may be received from a base station, and the processed data and/or information may also be transmitted to the base station.
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods to implement the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present application.
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的***、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。A person skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the system, the device and the unit described above can refer to the corresponding process in the foregoing method embodiment, and details are not described herein again.
在本申请所提供的几个实施例中,应该理解到,所揭露的***、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个***,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而 前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等各种可以存储程序代码的介质。The functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, the technical solution of the present application, which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application. And The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes.
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应以所述权利要求的保护范围为准。 The foregoing is only a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present application. It should be covered by the scope of protection of this application. Therefore, the scope of protection of the present application should be determined by the scope of the claims.

Claims (28)

  1. 一种通信方法,其特征在于,应用于包括至少一个网络设备和终端设备的通信***中,所述至少一个网络设备覆盖多个小区,所述通信方法包括:A communication method, characterized in that, in a communication system including at least one network device and a terminal device, the at least one network device covers a plurality of cells, and the communication method includes:
    所述终端设备确定所述终端设备所属的第一小区对应的控制信道在数据区域中的第一时频资源位置,且所述多个小区中每个小区对应的控制信道在所述数据区域中的时频资源位置的时域资源位置和/或频域资源位置互不相同;Determining, by the terminal device, a first time-frequency resource location of a control channel corresponding to the first cell to which the terminal device belongs, and a control channel corresponding to each of the multiple cells in the data area The time domain resource location and/or the frequency domain resource location of the time-frequency resource location are different from each other;
    所述终端设备在所述第一时频资源位置,接收所述第一小区对应的控制信道。The terminal device receives the control channel corresponding to the first cell at the first time-frequency resource location.
  2. 根据权利要求1所述的通信方法,其特征在于,所述通信方法还包括:The communication method according to claim 1, wherein the communication method further comprises:
    所述终端设备接收广播信息;Receiving, by the terminal device, broadcast information;
    所述终端设备根据所述广播信息,确定所述第一时频资源位置。The terminal device determines the first time-frequency resource location according to the broadcast information.
  3. 根据权利要求2所述的通信方法,其特征在于,所述广播信息包括所述多个小区的小区标识和所述多个小区的小区标识中的每个小区标识对应的控制信道在所述数据区域中的时频资源位置,其中,所述终端设备根据所述广播信息,确定所述第一时频资源位置包括:The communication method according to claim 2, wherein the broadcast information comprises a cell identifier of the plurality of cells and a control channel corresponding to each of the cell identifiers of the plurality of cells in the data. a time-frequency resource location in the area, where the determining, by the terminal device, the first time-frequency resource location according to the broadcast information includes:
    所述终端设备根据所述第一小区的小区标识,确定所述第一时频资源位置。The terminal device determines the first time-frequency resource location according to the cell identifier of the first cell.
  4. 根据权利要求2或3所述的通信方法,其特征在于,所述通信方法还包括:The communication method according to claim 2 or 3, wherein the communication method further comprises:
    所述终端设备确定接收第一信号的第二时频资源位置,所述第一信号包括第一序列;The terminal device determines a second time-frequency resource location for receiving the first signal, where the first signal includes a first sequence;
    其中,所述终端设备接收广播信息包括:The receiving, by the terminal device, the broadcast information includes:
    所述终端设备在所述第二时频资源位置的时域资源位置的N个符号后的时频资源位置接收至少一个所述网络设备发送的所述广播信息,其中,N为预设的大于等于0的正整数。Receiving, by the terminal device, the broadcast information sent by the at least one network device at a time-frequency resource location after the N symbols of the time domain resource location of the second time-frequency resource location, where N is a preset greater than A positive integer equal to 0.
  5. 根据权利要求2或3所述的通信方法,其特征在于,所述通信方法还包括:The communication method according to claim 2 or 3, wherein the communication method further comprises:
    所述终端设备接收第一物理广播信道PBCH通知信息,所述第一PBCH通知信息包括至少一个比特位;The terminal device receives a first physical broadcast channel PBCH notification information, where the first PBCH notification information includes at least one bit;
    所述终端设备根据所述至少一个比特位的取值,确定第三时频资源位置;Determining, by the terminal device, a third time-frequency resource location according to the value of the at least one bit;
    其中,所述终端设备接收广播信息包括:The receiving, by the terminal device, the broadcast information includes:
    所述终端设备在所述第三时频资源位置,接收所述广播信息。The terminal device receives the broadcast information at the third time-frequency resource location.
  6. 根据权利要求1所述的通信方法,其特征在于,所述通信方法还包括:The communication method according to claim 1, wherein the communication method further comprises:
    所述终端设备接收第二PBCH通知信息;Receiving, by the terminal device, second PBCH notification information;
    所述终端设备根据所述第二PBCH通知信息,确定所述第一时频资源位置。The terminal device determines the first time-frequency resource location according to the second PBCH notification information.
  7. 根据权利要求6所述的通信方法,其特征在于,所述第二PBCH通知信息包括至少一个比特位;The communication method according to claim 6, wherein the second PBCH notification information includes at least one bit;
    其中,所述终端设备根据所述第二PBCH通知信息,确定所述终端设备所属的第一小区的数据区域中的第一时频资源位置包括:The determining, by the terminal device, the first time-frequency resource location in the data area of the first cell to which the terminal device belongs according to the second PBCH notification information includes:
    所述终端设备根据所述至少一个比特位的取值,确定所述第一时频资源位置。The terminal device determines the first time-frequency resource location according to the value of the at least one bit.
  8. 一种通信方法,其特征在于,应用于包括至少一个网络设备和终端设备的通信***中,所述至少一个网络设备覆盖多个小区,所述通信方法包括: A communication method, characterized in that, in a communication system including at least one network device and a terminal device, the at least one network device covers a plurality of cells, and the communication method includes:
    所述至少一个网络设备中的第一网络设备确定所述多个小区中每个小区对应的控制信道在数据区域中的时频资源位置,且所述多个小区中的每个小区对应的控制信道在所述数据区域中的时频资源位置的时域资源位置或频域资源位置互不相同;The first network device in the at least one network device determines a time-frequency resource location of a control channel corresponding to each of the multiple cells in a data region, and a control corresponding to each of the multiple cells The time domain resource location or the frequency domain resource location of the time-frequency resource location of the channel in the data area is different from each other;
    所述第一网络设备通过第一小区对应的控制信道在所述数据区域中的第一时频资源位置,发送所述第一小区对应的控制信道,所述第一小区为所述第一网络设备覆盖的至少一个小区中的任一个小区。Transmitting, by the first network device, a control channel corresponding to the first cell by using a control channel corresponding to the first cell in a first time-frequency resource position in the data area, where the first cell is the first network Any one of at least one cell covered by the device.
  9. 根据权利要求8所述的通信方法,其特征在于,所述第一网络设备发送所述第一小区对应的控制信道之前,所述通信方法还包括:The communication method according to claim 8, wherein before the first network device sends the control channel corresponding to the first cell, the communication method further includes:
    所述第一网络设备发送广播信息,所述广播信息用于所述第一小区内的每个终端设备确定所述第一小区对应的控制信道在所述数据区域中的第一时频资源位置。The first network device sends broadcast information, where the broadcast information is used by each terminal device in the first cell to determine a first time-frequency resource location of the control channel corresponding to the first cell in the data region. .
  10. 根据权利要求9所述的通信方法,其特征在于,所述广播信息包括所述多个小区的小区标识和所述多个小区的小区标识中的每个小区标识对应的控制信道在所述数据区域中的时频资源位置。The communication method according to claim 9, wherein the broadcast information comprises a cell identifier of the plurality of cells and a control channel corresponding to each cell identifier of the plurality of cells in the data. The location of the time-frequency resource in the zone.
  11. 根据权利要求9或10所述的通信方法,其特征在于,所述通信方法还包括:The communication method according to claim 9 or 10, wherein the communication method further comprises:
    所述第一网络设备确定发送第一信号的第二时频资源位置,所述第一信号包括第一序列;Determining, by the first network device, a second time-frequency resource location for transmitting the first signal, where the first signal includes a first sequence;
    其中,所述第一网络设备发送广播信息包括:The sending, by the first network device, the broadcast information includes:
    所述第一网络设备在所述第二时频资源位置的时域资源位置的N个符号后的时频资源位置上发送所述广播信息,且所述第二时频资源位置的时域资源位置的N个符号后的时频资源位置还用于所述至少一个网络设备中除所述第一网络设备外的其他网络设备发送所述广播信息,其中,N为预设的大于等于0的正整数。Transmitting, by the first network device, the broadcast information, and the time domain resource of the second time-frequency resource location, at a time-frequency resource location after the N symbols of the time domain resource location of the second time-frequency resource location The time-frequency resource location after the N symbols of the location is further used by the network device except the first network device to send the broadcast information, where N is a preset greater than or equal to 0. A positive integer.
  12. 根据权利要求9或10所述的通信方法,其特征在于,所述第一网络设备发送所述广播信息之前,所述通信方法还包括:The communication method according to claim 9 or 10, wherein before the transmitting, by the first network device, the communication method, the communication method further comprises:
    所述第一网络设备发送第一物理广播信道PBCH通知信息,所述第一PBCH通知信息包括至少一个比特位,所述至少一个比特位的取值用于第一终端设备确定接收所述广播信息的第三时频资源位置,所述第一终端设备为所述第一小区内任一个终端设备。The first network device sends a first physical broadcast channel PBCH notification information, where the first PBCH notification information includes at least one bit, and the value of the at least one bit is used by the first terminal device to determine to receive the broadcast information. The third time-frequency resource location, where the first terminal device is any one of the terminal devices in the first cell.
  13. 根据权利要求8所述的通信方法,其特征在于,所述第一网络设备发送所述第一小区对应的控制信道之前,所述通信方法还包括:The communication method according to claim 8, wherein before the first network device sends the control channel corresponding to the first cell, the communication method further includes:
    所述第一网络设备发送第二PBCH通知信息,所述第二PBCH通知信息用于所述第一终端设备确定所述第一小区对应的控制信道的第一时频资源位置,所述第一终端设备为所述第一小区内的任一个终端设备。The first network device sends a second PBCH notification information, where the second PBCH notification information is used by the first terminal device to determine a first time-frequency resource location of a control channel corresponding to the first cell, where the first The terminal device is any one of the terminal devices in the first cell.
  14. 根据权利要求13所述的通信方法,其特征在于,所述第二PBCH通知信息包括至少一个比特位,所述至少一个比特位的取值用于所述第一终端设备确定所述第一时频资源位置。The communication method according to claim 13, wherein the second PBCH notification information includes at least one bit, and the value of the at least one bit is used by the first terminal device to determine the first time Frequency resource location.
  15. 一种终端设备,其特征在于,应用于包括至少一个网络设备和所述终端设备的通信***中,所述至少一个网络设备覆盖多个小区,所述终端设备包括:A terminal device, which is applied to a communication system including at least one network device and the terminal device, the at least one network device covers a plurality of cells, and the terminal device includes:
    处理模块,用于确定所述终端设备所属的第一小区对应的控制信道在数据区域中的第一时频资源位置,且所述多个小区中每个小区对应的控制信道在所述数据区域中的时频资源位置的时域资源位置和/或频域资源位置互不相同; a processing module, configured to determine a first time-frequency resource location of a control channel corresponding to the first cell to which the terminal device belongs, and a control channel corresponding to each of the multiple cells in the data area The time domain resource location and/or the frequency domain resource location of the time-frequency resource location in the medium are different from each other;
    接收模块,用于在所述第一时频资源位置,接收所述第一小区对应的控制信道。And a receiving module, configured to receive, according to the first time-frequency resource location, a control channel corresponding to the first cell.
  16. 根据权利要求15所述的终端设备,其特征在于,所述接收模块,还用于接收广播信息;The terminal device according to claim 15, wherein the receiving module is further configured to receive broadcast information;
    所述处理模块,还用于根据所述广播信息,确定所述第一时频资源位置。The processing module is further configured to determine the first time-frequency resource location according to the broadcast information.
  17. 根据权利要求16所述的终端设备,其特征在于,所述广播信息包括所述多个小区的小区标识和所述多个小区的小区标识中的每个小区标识对应的控制信道在所述数据区域中的时频资源位置,所述处理模块具体用于:The terminal device according to claim 16, wherein the broadcast information comprises a cell identifier of the plurality of cells and a control channel corresponding to each of the cell identifiers of the plurality of cells in the data The time-frequency resource location in the area, the processing module is specifically configured to:
    根据所述第一小区的小区标识,确定所述第一时频资源位置。Determining the first time-frequency resource location according to the cell identity of the first cell.
  18. 根据权利要求16或17所述的终端设备,其特征在于,所述处理模块,还用于确定接收第一信号的第二时频资源位置,所述第一信号包括第一序列;The terminal device according to claim 16 or 17, wherein the processing module is further configured to determine a second time-frequency resource location for receiving the first signal, where the first signal includes a first sequence;
    其中,所述接收模块具体用于:The receiving module is specifically configured to:
    在所述第二时频资源位置的时域资源位置的N个符号后的时频资源位置接收至少一个所述网络设备发送的所述广播信息,其中,N为预设的大于等于0的正整数。Receiving at least one broadcast information sent by the network device at a time-frequency resource location after the N symbols of the time domain resource location of the second time-frequency resource location, where N is a preset positive or negative value greater than or equal to 0 Integer.
  19. 根据权利要求16或17所述的终端设备,其特征在于,所述接收模块,还用于接收第一物理广播信道PBCH通知信息,所述第一PBCH通知信息包括至少一个比特位;The terminal device according to claim 16 or 17, wherein the receiving module is further configured to receive a first physical broadcast channel PBCH notification information, where the first PBCH notification information includes at least one bit;
    所述处理模块,还用于根据所述至少一个比特位的取值,确定第三时频资源位置;The processing module is further configured to determine a third time-frequency resource location according to the value of the at least one bit;
    其中,所述接收模块具体用于:The receiving module is specifically configured to:
    在所述第三时频资源位置,接收所述广播信息。Receiving the broadcast information at the third time-frequency resource location.
  20. 根据权利要求15所述的终端设备,其特征在于,所述接收模块,还用于接收第二PBCH通知信息;The terminal device according to claim 15, wherein the receiving module is further configured to receive second PBCH notification information;
    所述处理模块,还用于根据所述第二PBCH通知信息,确定所述第一时频资源位置。The processing module is further configured to determine the first time-frequency resource location according to the second PBCH notification information.
  21. 根据权利要求20所述的终端设备,其特征在于,所述第二PBCH通知信息包括至少一个比特位;The terminal device according to claim 20, wherein the second PBCH notification information includes at least one bit;
    其中,所述处理模块具体用于:The processing module is specifically configured to:
    根据所述至少一个比特位的取值,确定所述第一时频资源位置。Determining the first time-frequency resource location according to the value of the at least one bit.
  22. 一种网络设备,其特征在于,应用于包括至少一个网络设备和终端设备的通信***中,所述至少一个网络设备覆盖多个小区,所述至少一个网络设备中的第一网络设备包括:A network device, characterized in that, in a communication system including at least one network device and a terminal device, the at least one network device covers a plurality of cells, and the first network device of the at least one network device includes:
    处理模块,用于确定所述多个小区中每个小区对应的控制信道在数据区域中的时频资源位置,且所述多个小区中的每个小区对应的控制信道在所述数据区域中的时频资源位置互不相同;a processing module, configured to determine a time-frequency resource location of a control channel corresponding to each cell of the multiple cells in a data area, and a control channel corresponding to each of the multiple cells is in the data area The time-frequency resource locations are different from each other;
    发送模块,用于通过第一小区对应的控制信道在所述数据区域中的第一时频资源位置,发送所述第一小区对应的控制信道,所述第一小区为所述第一网络设备覆盖的至少一个小区中的任一个小区。a sending module, configured to send, by using a control channel corresponding to the first cell, a control channel corresponding to the first cell in a first time-frequency resource location in the data area, where the first cell is the first network device Any one of the at least one cell covered.
  23. 根据权利要求22所述的网络设备,其特征在于,所述发送模块,还用于发送广播信息,所述广播信息用于所述第一小区内的每个终端设备确定所述第一小区对应的控制信道在所述数据区域中的第一时频资源位置。The network device according to claim 22, wherein the sending module is further configured to send broadcast information, where the broadcast information is used by each terminal device in the first cell to determine that the first cell corresponds to The control channel is at a first time-frequency resource location in the data region.
  24. 根据权利要求23所述的网络设备,其特征在于,所述广播信息包括所述多个小区的小区标识和所述多个小区的小区标识中的每个小区标识对应的控制信道在所述数据 区域中的时频资源位置。The network device according to claim 23, wherein the broadcast information comprises a cell identifier of the plurality of cells and a control channel corresponding to each of the cell identifiers of the plurality of cells in the data. The location of the time-frequency resource in the zone.
  25. 根据权利要求23或24所述的网络设备,其特征在于,所述处理模块,还用于确定发送第一信号的第二时频资源位置,所述第一信号包括第一序列;The network device according to claim 23 or 24, wherein the processing module is further configured to determine a second time-frequency resource location for transmitting the first signal, where the first signal includes a first sequence;
    其中,所述发送模块具体用于:The sending module is specifically configured to:
    在所述第二时频资源位置的时域资源位置的N个符号后的时频资源位置上发送所述广播信息,且所述第二时频资源位置的时域资源位置的N个符号后的时频资源位置还用于所述至少一个网络设备中除所述第一网络设备外的其他网络设备发送所述广播信息,其中,N为预设的大于等于0的正整数。Transmitting the broadcast information on a time-frequency resource location after the N symbols of the time domain resource location of the second time-frequency resource location, and the N symbols of the time domain resource location of the second time-frequency resource location The time-frequency resource location is further used by the network device other than the first network device in the at least one network device to send the broadcast information, where N is a preset positive integer greater than or equal to 0.
  26. 根据权利要求23或24所述的网络设备,其特征在于,所述发送模块,还用于发送第一物理广播信道PBCH通知信息,所述第一PBCH通知信息包括至少一个比特位,所述至少一个比特位的取值用于第一终端设备确定接收所述广播信息的第三时频资源位置,所述第一终端设备为所述第一小区内任一个终端设备。The network device according to claim 23 or 24, wherein the sending module is further configured to send a first physical broadcast channel PBCH notification information, where the first PBCH notification information includes at least one bit, the at least The value of a bit is used by the first terminal device to determine a third time-frequency resource location for receiving the broadcast information, where the first terminal device is any one of the terminal devices in the first cell.
  27. 根据权利要求22所述的网络设备,其特征在于,所述发送模块,还用于发送第二PBCH通知信息,所述第二PBCH通知信息用于所述第一终端设备确定所述第一小区对应的控制信道的第一时频资源位置,所述第一终端设备为所述第一小区内的任一个终端设备。The network device according to claim 22, wherein the sending module is further configured to send second PBCH notification information, where the second PBCH notification information is used by the first terminal device to determine the first cell The first time-frequency resource location of the corresponding control channel, where the first terminal device is any one of the terminal devices in the first cell.
  28. 根据权利要求27所述的网络设备,其特征在于,所述第二PBCH通知信息包括至少一个比特位,所述至少一个比特位的取值用于所述第一终端设备确定所述第一时频资源位置。 The network device according to claim 27, wherein the second PBCH notification information includes at least one bit, and the value of the at least one bit is used by the first terminal device to determine the first time Frequency resource location.
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