WO2019100340A1 - 随机接入的方法、上报频谱的方法、终端设备和网络设备 - Google Patents
随机接入的方法、上报频谱的方法、终端设备和网络设备 Download PDFInfo
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- WO2019100340A1 WO2019100340A1 PCT/CN2017/112941 CN2017112941W WO2019100340A1 WO 2019100340 A1 WO2019100340 A1 WO 2019100340A1 CN 2017112941 W CN2017112941 W CN 2017112941W WO 2019100340 A1 WO2019100340 A1 WO 2019100340A1
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- terminal device
- frequency band
- indication information
- network device
- random access
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- 238000000034 method Methods 0.000 title claims abstract description 127
- 238000001228 spectrum Methods 0.000 title claims abstract description 102
- 230000008569 process Effects 0.000 claims abstract description 13
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
Definitions
- the embodiments of the present invention relate to the field of communications, and more specifically, to a method for random access, a method for reporting a spectrum, a terminal device, and a network device.
- the uplink coverage is limited, and in order to improve the uplink coverage, the LTE spectrum (relative frequency) is utilized. Lower) As the secondary uplink spectrum (ie, there is one auxiliary uplink carrier), the uplink coverage can be improved.
- the UE since there is no configuration information about the bandwidth in the configuration information of the SUL, in the normal NR cell, the UE only obtains the frequency information of the cell from the cell search. There is no information about the downlink bandwidth of the cell.
- SUL secondary uplink
- the terminal device may only support one of the multiple frequency bands.
- the terminal device does not support the frequency band in which the frequency of the NR cell is located, but supports another frequency band in which the frequency band is located. That is to say, the network device does not know the spectrum range supported by the terminal device. Therefore, if the network device schedules the terminal device beyond the frequency range supported by the terminal device, data transmission and reception failure may occur.
- a random access method, a method for reporting a spectrum, a terminal device, and a network device are provided. It can effectively improve the accuracy of the network equipment scheduling terminal equipment.
- a method for random access including:
- the terminal device acquires the first frequency point by using a cell search
- the terminal acquires a first frequency band supported by the network device by using a system broadcast message
- the terminal device determines, in a plurality of frequency bands corresponding to the first frequency point, a second frequency band supported by the terminal device;
- the random access procedure is initiated.
- the terminal device when the first frequency band and the second frequency band are different frequency bands, the terminal device enables the network device to accurately determine the spectrum range that can be scheduled by the terminal device by reporting the indication information, thereby improving the scheduling of the network device. The accuracy of the terminal device.
- the method further includes:
- the terminal device When the first frequency band and the second frequency band are different frequency bands, the terminal device generates indication information, where the indication information is used by the network device to determine a spectrum range that the terminal device can schedule, or the indication The information is used to indicate the spectrum range; the terminal device sends the indication information to the network device.
- the indication information is more specifically used to indicate that the frequency band supported by the terminal device is the second frequency band.
- the spectral range is a range formed by overlapping spectra of the first frequency band and the second frequency band.
- the method before the terminal device generates the indication information, the method further includes:
- the terminal device receives the first mapping relationship information that is sent by the network device, where the first mapping relationship information includes: a correspondence between the multiple frequency bands and multiple resources, and each of the multiple resources includes a preamble a code and/or a physical random access control channel PRACH resource; the terminal device determines, according to the second frequency band and the first mapping relationship information, a first resource corresponding to the second frequency band; wherein the terminal device Sending the indication information to the network device, including:
- the terminal device initiates a random access procedure by using the first resource, and indicates, by using the first resource, that a frequency band supported by the terminal device is the second frequency band.
- the method before the terminal device generates the indication information, the method further includes:
- the terminal device receives the second mapping relationship information that is sent by the network device, where the second mapping relationship information includes: a correspondence between multiple indexes and the multiple frequency bands, where the multiple indexes are different from each other;
- the device determines, according to the second frequency band and the second mapping relationship information, a first index corresponding to the second frequency band, where the sending, by the terminal device, the indication information to the network device includes:
- the terminal device sends the first index to the network device, where the first index is used to indicate that the channel supported by the terminal device is the second frequency band.
- the sending, by the terminal device, the indication information to the network device includes:
- the terminal device sends a media access control RRC message to the network, where the RRC message includes the indication information.
- a method for random access including:
- the network device sends the first frequency band supported by the network device to the terminal device by means of system broadcast;
- the network device responds to a random access procedure initiated by the terminal device.
- the method further includes:
- the network device receives, by the network device, indication information that is sent by the terminal device, where the indication information is used by the network device to determine a spectrum range that the terminal device can schedule, or the indication information is used to indicate the spectrum range;
- the network device responds to the random access procedure initiated by the terminal device, including:
- the network device responds to the random access procedure according to the spectrum range.
- the indication information is more specifically used to indicate that the frequency band supported by the terminal device is the second frequency band.
- the spectral range is a range formed by overlapping spectra of the first frequency band and the second frequency band.
- the method before the receiving, by the network device, the indication information sent by the terminal device, the method further includes:
- the network device sends the first mapping relationship information to the terminal device, where the first mapping relationship information includes: a correspondence between the multiple frequency bands and multiple resources, and each of the multiple resources includes a preamble a code and/or a physical random access control channel, the PRACH resource, where the network device receives the indication information sent by the terminal device, including:
- the network device Determining, by the network device, the first resource used by the terminal device to initiate a random access procedure; the network device determining, according to the first mapping relationship information, the second frequency band corresponding to the first resource as the terminal The frequency band supported by the device.
- the method before the receiving, by the network device, the indication information sent by the terminal device, the method further includes:
- the network device sends the second mapping relationship information to the terminal device, where the second mapping relationship information includes: a plurality of indexes and a correspondence relationship between the multiple frequency bands, where the multiple indexes are different from each other; Receiving the indication information sent by the terminal device, where the network device includes:
- the receiving, by the network device, the indication information sent by the terminal device includes:
- the network device receives a media access control RRC message sent by the terminal device, where the RRC message includes the indication information.
- a method for reporting a spectrum including:
- the terminal device acquires a first frequency point by using a cell search
- the terminal device determines, in a plurality of frequency bands corresponding to the first frequency point, a second frequency band supported by the terminal device;
- the terminal device generates indication information according to the second frequency band, where the indication information is used by the network device to determine a spectrum range that the terminal device can schedule, or the indication information is used to indicate the spectrum range;
- the terminal device sends the indication information to the network device.
- the terminal device when the first frequency band and the second frequency band are different frequency bands, the terminal device enables the network device to accurately determine the spectrum range that can be scheduled by the terminal device by reporting the indication information, thereby improving the scheduling of the network device. The accuracy of the terminal device.
- the indication information is more specifically used to indicate that the frequency band supported by the terminal device is the second frequency band.
- the method further includes:
- the terminal device initiates a random access procedure to the network device according to the indication information.
- a method for reporting a spectrum including:
- the network device receives the indication information that is sent by the terminal device, where the indication information is used by the network device to determine a spectrum range that the terminal device can schedule, or the indication information is used to indicate the spectrum range;
- the network device determines the spectrum range according to the indication information.
- the indication information is more specifically used to indicate that the frequency band supported by the terminal device is the second frequency band.
- the method further includes:
- the network device responds to the random access procedure initiated by the terminal device according to the spectrum range.
- a terminal device including:
- a processing unit configured to acquire a first frequency point by using a cell search
- a transceiver unit configured to acquire, by using a system broadcast message, a first frequency band supported by the network device
- the processing unit is further configured to:
- a terminal device including:
- a processor configured to acquire a first frequency point by using a cell search
- a transceiver configured to acquire, by using a system broadcast message, a first frequency band supported by the network device
- the processor is further configured to:
- a network device including:
- a transceiver unit configured to send, by using a system broadcast, a first frequency band supported by the network device to a terminal device;
- a processing unit configured to respond to the random access procedure initiated by the terminal device.
- a network device including:
- a transceiver configured to send, by using a system broadcast, a first frequency band supported by the network device to a terminal device;
- a processor configured to respond to the random access procedure initiated by the terminal device.
- a terminal device including:
- processing unit is configured to:
- the indication information is used by the network device to determine a spectrum range that the terminal device can schedule, or the indication information is used to indicate the spectrum range;
- transceiver unit configured to send the indication information to the network device.
- a terminal device including:
- a processor for:
- the indication information is used by the network device to determine a spectrum range that the terminal device can schedule, or the indication information is used to indicate the spectrum range;
- a transceiver configured to send the indication information to the network device.
- a network device including:
- a transceiver unit configured to receive indication information that is sent by the terminal device, where the indication information is used by the network device to determine a spectrum range that the terminal device can schedule, or the indication information is used to indicate the spectrum range;
- a processing unit configured to determine the spectrum range according to the indication information.
- a network device including:
- a transceiver configured to receive the indication information sent by the terminal device, where the indication information is used by the network device to determine a spectrum range that the terminal device can schedule, or the indication information is used to indicate the spectrum range;
- a processor configured to determine the spectrum range according to the indication information.
- a thirteenth aspect a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method embodiment of any of the first to fourth aspects above.
- a computer chip comprising: an input interface, an output interface, at least one processor, and a memory, wherein the processor is configured to execute code in the memory when When the code is executed, the processor may implement the various processes performed by the network device in the methods of the above first to fourth aspects.
- a computer chip comprising: an input interface, an output interface, at least one processor, and a memory, wherein the processor is configured to execute code in the memory, when the code is executed,
- the processor can implement the respective processes performed by the terminal device in the above first to fourth aspects.
- a communication system comprising the network device and the terminal device described above.
- FIG. 1 is an example of an application scenario of the present invention.
- FIG. 2 is a schematic flowchart of a method for determining random access according to an embodiment of the present invention.
- FIG. 3 is a schematic flowchart of a method for reporting a spectrum according to an embodiment of the present invention
- FIG. 4 is a schematic block diagram of a terminal device according to an embodiment of the present invention.
- FIG. 5 is a schematic block diagram of another terminal device according to an embodiment of the present invention.
- FIG. 6 is a schematic block diagram of a network device according to an embodiment of the present invention.
- FIG. 7 is a schematic block diagram of another network device according to an embodiment of the present invention.
- FIG. 1 is an example of an application scenario of an embodiment of the present invention.
- the terminal device may have one downlink carrier and two uplink carriers (as shown in FIG. 1, the first uplink carrier and the second uplink carrier).
- the first uplink carrier and the downlink carrier may be carriers on the NR high frequency band
- the second uplink carrier may be a carrier on the LTE low frequency band.
- the terminal device shown in FIG. 1 has two uplink carriers, which are only exemplary descriptions, which are not specifically limited in the embodiment of the present invention.
- the terminal device can also support three uplink carriers and the like.
- the motivation for introducing the second uplink carrier is to improve the uplink coverage of the NR high frequency band.
- the uplink coverage of the NR is limited, and the frequency of the NR is high.
- the uplink coverage of the NR is limited.
- a method of transmitting data By using the LTE spectrum (low relative frequency) as the auxiliary uplink carrier, the uplink coverage effect can be improved.
- the first uplink carrier and the second uplink carrier combination may be similar to carrier aggregation in LTE. (CA), just the downlink without pairing. That is, from the perspective of band combination, the second uplink carrier is a cell with only uplink and no paired downlink, but its uplink is controlled by a certain downlink carrier, that is, when the second uplink carrier is configured, and the second uplink is configured.
- the carrier is a secondary serving cell (SCell) without downlink, and the control of the second uplink carrier depends on the primary serving cell (PCell).
- SCell secondary serving cell
- PCell primary serving cell
- the first communication system and the second communication system may be various communication systems, such as a Global System of Mobile communication (GSM) system, a Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Time Division Duplex (TDD) ), Universal Mobile Telecommunication System (UMTS), etc.
- 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
- TDD Time Division Duplex
- UMTS Universal Mobile Telecommunication System
- the present invention describes various embodiments in connection with network devices (the first to fourth network devices) and terminal devices.
- the network device may refer to any entity on the network side that is used to send or receive signals.
- it may be a device communication of a machine type communication (MTC), a base station (BTS) in GSM or CDMA, a base station (NodeB) in WCDMA, an evolved base station (Evolutional Node B, eNB or eNodeB in LTE). ), base station equipment in a 5G network, and the like.
- MTC machine type communication
- BTS base station
- NodeB base station
- Evolutional Node B eNB or eNodeB in LTE
- 5G network and the like.
- the terminal device can be any terminal device. Specifically, the terminal device can communicate with one or more core networks (Core Network) via a Radio Access Network (RAN), and can also be referred to as an access terminal, a user equipment (User Equipment, UE), and a user. Unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device. For example, it can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), and a wireless communication function. Handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, and terminal devices in 5G networks, and the like.
- Core Network Radio Access Network
- RAN Radio Access Network
- UE User Equipment
- Unit subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication
- the UE Since there is no configuration information about the bandwidth in the configuration information of the SUL, in the normal NR cell, the UE only obtains the frequency information of the cell from the cell search, and there is no information about the downlink bandwidth of the cell.
- the terminal device may only support one of the multiple frequency bands.
- the terminal device does not support the frequency band in which the frequency of the NR cell is located, but supports another frequency band in which the frequency band is located. That is to say, the network device does not know the spectrum range supported by the terminal device. Therefore, if the network device schedules the terminal device beyond the frequency range supported by the terminal device, data transmission and reception failure may occur.
- a random access method and a method for reporting a spectrum are proposed.
- the network device is enabled to know the frequency band or the spectrum range supported by the terminal device, thereby improving the accuracy of the network device for allocating resources to the terminal device.
- the terminal device acquires the first frequency point and the first frequency band.
- the terminal device initiates a random access procedure to the network device.
- the terminal device acquires a first frequency point by using a cell search; the terminal acquires a first frequency band supported by the network device by using a system broadcast message; the terminal device determines the terminal device in multiple frequency bands corresponding to the first frequency point. The second frequency band supported; the terminal device determines that the first frequency band and the second frequency band are the same frequency band, and initiates the random access procedure.
- the network device sends the first frequency band supported by the network device to the terminal device by means of system broadcast; and responds to the random access procedure initiated by the terminal device.
- the terminal device if the terminal device supports the first frequency band, the terminal device normally initiates a random access procedure.
- the network device sends the frequency band 1 supported by the network device to the terminal device by means of system broadcast. If the terminal device supports the frequency band 1, the terminal device normally initiates a random access procedure. In this case, the network device is in the frequency band 1 The terminal device is scheduled to not exceed the frequency range supported by the terminal device.
- the network device is likely to schedule the terminal device on the first frequency band, causing the network device to exceed the terminal device support when scheduling the terminal device.
- the frequency range which in turn causes data to fail to send and receive.
- the terminal device indicates to the network device, by using the indication information, the spectrum range that the terminal device can schedule, or directly indicates the spectrum range.
- the terminal device when the first frequency band and the second frequency band are different frequency bands, the terminal device generates indication information, where the indication information is used by the network device to determine a spectrum range that the terminal device can schedule, or The indication information is used to indicate the spectrum range; the terminal device sends the indication information to the network device. For the network device, the network device receives the indication information sent by the terminal device, and responds to the random access procedure according to the spectrum range.
- the terminal device when the first frequency band and the second frequency band are different frequency bands, the terminal device enables the network device to accurately determine the spectrum range that can be scheduled by the terminal device by reporting the indication information, thereby improving the scheduling of the network device. The accuracy of the terminal device.
- the indication information in the embodiment of the present invention is intended to enable the network device to know the spectrum range supported by the terminal device, and the specific form of the indication information is not limited in the embodiment of the present invention.
- the indication information may be used to indicate that the frequency band supported by the terminal device is the second frequency band.
- the terminal device may indicate, in a message (MSG3) in the random access procedure, a network device configurable bandwidth range of the terminal device in the cell.
- the indication information may be directly used to indicate the spectrum range, and further, the spectrum range is a range formed by overlapping spectra of the first frequency band and the second frequency band.
- the terminal device can implicitly indicate the network device.
- the terminal device receives the network device to send the first mapping relationship information, where the first mapping relationship information includes: a correspondence between the multiple frequency bands and multiple resources, where Each resource includes a preamble and/or a physical random access control channel PRACH resource; and, when the frequency band supported by the terminal device is the second frequency band, the terminal device may determine, according to the second frequency band and the first mapping relationship information, The first resource corresponding to the second frequency band; the terminal device initiates a random access procedure by using the first resource, and indicates, by using the first resource, that the frequency band supported by the terminal device is the second frequency band.
- the first mapping relationship information includes: a correspondence between the multiple frequency bands and multiple resources, where Each resource includes a preamble and/or a physical random access control channel PRACH resource; and, when the frequency band supported by the terminal device is the second frequency band, the terminal device may determine, according to the second frequency band and the first mapping relationship information, The first resource corresponding to the second frequency band; the terminal device initiates a random access procedure by using the first resource, and
- the network device Determining, by the network device, the first resource used by the terminal device to initiate a random access procedure; the network device determining, according to the first mapping relationship information, the second frequency band corresponding to the first resource as the terminal The frequency band supported by the device.
- the terminal device may indicate, in a message (MSG3) in the random access procedure, a frequency band supported by the network device by the terminal device.
- MSG3 message
- the terminal device may indicate, in a message (MSG3) in the random access procedure, a frequency band supported by the network device by the terminal device.
- the terminal device receives the network device to send the second mapping relationship information, where the second mapping relationship information includes: a plurality of indexes and a correspondence relationship between the multiple frequency bands, where the multiple indexes are different from each other;
- the terminal device can be based on the second frequency band And determining, by the second mapping relationship information, a first index corresponding to the second frequency band; the terminal device sends the first index to the network device, where the first index is used to indicate that the channel supported by the terminal device is the Second frequency band.
- the network device receives the first index sent by the terminal device, and determines, according to the second mapping relationship information and the first index, the second frequency band corresponding to the first index, which is supported by the terminal device. frequency band.
- the terminal device may indicate, in a message (MSG3) in the random access procedure, a frequency band supported by the network device by the terminal device.
- MSG3 message
- the terminal device may indicate, in a message (MSG3) in the random access procedure, a frequency band supported by the network device by the terminal device.
- the terminal device can display the network device in a display manner.
- the terminal device sends a media access control RRC message to the network, where the RRC message includes the indication information.
- the foregoing terminal device sends the indication information to the network
- the format of the indication information is an exemplary description, and the embodiment of the present invention is not limited thereto.
- the indication information may also be used to indicate a frequency band that is not supported by the terminal device.
- the first frequency point corresponds to the frequency band 1 and the frequency band 2
- the frequency band supported by the network device is the frequency band 1
- the frequency band supported by the terminal device is the frequency band 2.
- the terminal device may indicate that the frequency band supported by the terminal device is the frequency band 1, and the terminal device may also indicate that the frequency band not supported by the terminal device is the frequency band 2.
- the network device may determine, according to the frequency band 1 and the frequency band 2 corresponding to the first frequency point, and the indication information, the spectrum range that the terminal device can schedule.
- FIG. 3 is a schematic flowchart of a method for reporting a spectrum according to an embodiment of the present invention.
- the method includes:
- the terminal device acquires the first frequency point
- the terminal device determines, in a plurality of frequency bands corresponding to the first frequency point, a second frequency band supported by the terminal device.
- the terminal device generates indication information according to the second frequency band.
- the terminal device sends the indication information to the network device.
- the terminal device acquires a first frequency point by using a cell search; the terminal device determines, in a plurality of frequency bands corresponding to the first frequency point, a second frequency band supported by the terminal device; the terminal device according to the second frequency band Generating indication information, the indication information is used by the network device to determine a spectrum range that the terminal device can schedule, or the indication information is used to indicate the spectrum range; the terminal device is to the network The device sends the indication information.
- the network device receives the indication information sent by the terminal device, and determines the spectrum range according to the indication information.
- the indication information is more specifically used to indicate that the frequency band supported by the terminal device is the second frequency band.
- the terminal device initiates a random access procedure to the network device according to the indication information.
- the network device responds to the random access procedure initiated by the terminal device according to the spectrum range.
- FIG. 4 is a schematic block diagram of a terminal device according to an embodiment of the present invention.
- a terminal device is provided in the embodiment of the present invention. Specifically, as shown in FIG. 4, the terminal device includes:
- the processing unit 410 is configured to acquire a first frequency point by using a cell search.
- the transceiver unit 420 is configured to acquire, by using a system broadcast message, a first frequency band supported by the network device;
- the processing unit 410 is further configured to:
- processing unit 410 is further configured to:
- Unit 420 is also used to:
- the indication information is sent to the network device.
- the indication information is used to indicate that the frequency band supported by the terminal device is the second frequency band.
- the spectrum range is a range formed by overlapping spectra of the first frequency band and the second frequency band.
- the transceiver unit 420 is further configured to:
- the receiving the network device sends the first mapping relationship information, where the first mapping relationship information includes: a correspondence between the multiple frequency bands and multiple resources, each of the multiple resources includes a preamble and/or a physical random access control channel PRACH resource;
- the processing unit 410 is further configured to:
- the terminal device Determining, by the second frequency band and the first mapping relationship information, a first resource corresponding to the second frequency band; the terminal device initiates a random access process by using the first resource, and indicates, by using the first resource, that the terminal device supports The frequency band is the second frequency band.
- the transceiver unit 420 is further configured to:
- the receiving the network device sends the second mapping relationship information, where the second mapping relationship information includes: a plurality of indexes and a correspondence relationship between the multiple frequency bands, the multiple indexes are different from each other;
- the unit 410 is further configured to: determine, according to the second frequency band and the second mapping relationship information, a first index corresponding to the second frequency band;
- the transceiver unit 420 is further configured to: send the first index to the network device, where the An index is used to indicate that the channel supported by the terminal device is the second frequency band.
- the transceiver unit 420 is specifically configured to:
- the terminal device includes:
- Processing unit 410 the processing unit 410 is configured to:
- the transceiver unit 420 is configured to send the indication information to the network device.
- the indication information is used to indicate that the frequency band supported by the terminal device is the second frequency band.
- processing unit 410 is further configured to:
- the processing unit 410 can be implemented by a processor, and the transceiver unit 420 can be implemented by a transceiver.
- the terminal device 500 can include a processor 510, a transceiver 520, and a memory 530.
- the memory 530 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 510.
- the various components in the terminal device 500 are connected by a bus system, wherein the bus system includes a power bus, a control bus, and a status signal bus in addition to the data bus.
- the terminal device 500 shown in FIG. 5 can implement the various processes implemented by the terminal device in the foregoing method embodiments shown in FIG. 2 and FIG. 3, and details are not repeatedly described herein.
- FIG. 6 is a schematic block diagram of a network device according to an embodiment of the present invention.
- a network device is provided in the embodiment of the present invention. Specifically, as shown in FIG. 6, the network device includes:
- the transceiver unit 610 is configured to send, by using a system broadcast, a first frequency band supported by the network device to the terminal device;
- the processing unit 620 is configured to respond to the random access procedure initiated by the terminal device.
- the transceiver unit 610 is further configured to:
- the processing unit 620 is specifically configured to:
- the indication information is used to indicate that the frequency band supported by the terminal device is the second frequency band.
- the spectrum range is a range formed by overlapping spectra of the first frequency band and the second frequency band.
- the transceiver unit 610 is specifically configured to:
- the first mapping relationship information is sent to the terminal device, where the first mapping relationship information includes: a correspondence between the multiple frequency bands and multiple resources, and each of the multiple resources And including a preamble and/or a physical random access control channel (PRACH) resource; determining a first resource used by the terminal device to initiate a random access procedure; determining, according to the first mapping relationship information, a second frequency band corresponding to the first resource The frequency band supported by the terminal device.
- PRACH physical random access control channel
- the transceiver unit 610 is specifically configured to:
- the second mapping relationship information is sent to the terminal device, where the second mapping relationship information includes: a plurality of indexes and corresponding relationships of the multiple frequency bands, the multiple indexes are different from each other; a first index sent by the terminal device; determining, according to the second mapping relationship information and the first index, a second frequency band corresponding to the first index as a frequency band supported by the terminal device.
- the transceiver unit 610 is more specifically configured to:
- the network device includes:
- the transceiver unit 610 is configured to receive indication information sent by the terminal device, where the indication information is used
- the network device determines a spectrum range that the terminal device can schedule, or the indication information is used to indicate the spectrum range;
- the processing unit 620 is configured to determine the spectrum range according to the indication information.
- the indication information is used to indicate that the frequency band supported by the terminal device is the second frequency band.
- processing unit 620 is further configured to:
- transceiving unit 610 can be implemented by a transceiver
- processing unit 620 can be implemented by a processor.
- network device 700 can include a processor 710, a transceiver 720, and a memory 730.
- the memory 730 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 710.
- the various components in the network device 700 are connected by a bus system, wherein the bus system includes a power bus, a control bus, and a status signal bus in addition to the data bus.
- the network device 700 shown in FIG. 7 can implement the various processes implemented by the network device in the foregoing method embodiments shown in FIG. 2 and FIG. 3, and details are not described herein.
- each step of the method embodiment in the embodiment of the present invention may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software. More specifically, the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software modules 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 processor may be an integrated circuit chip with signal processing capability, and the methods, steps, and logic blocks disclosed in the embodiments of the present invention may be implemented or executed.
- the above 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 Other programmable logic devices, transistor logic devices, discrete hardware components, and the like.
- the general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
- the memory may be a volatile memory or a non-volatile memory. Or both volatile and non-volatile memory can be included.
- the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (ROMM), an erasable programmable read only memory (erasable PROM, EPROM), or an electrical Erase programmable EPROM (EEPROM) or flash memory.
- the volatile memory can be a random access memory (RAM) that acts as an external cache.
- the memory in the embodiment of the present invention may also be a static random access memory (SRAM), a dynamic random access memory (DRAM), or a dynamic random access memory (DRAM).
- SDRAM Synchronous dynamic random access memory
- DDR double data rate synchronous dynamic random access memory
- ESDRAM enhanced synchronous dynamic random access memory
- SLDRAM synchronous connection Synchro link DRAM
- DR RAM direct memory bus
- the words “at time” as used herein may be interpreted as “if” or “if” or “when” or “in response to determining” or “in response to detecting” ".
- the phrase “if determined” or “if detected (conditions or events stated)” may be interpreted as “when determined” or “in response to determination” or “when detected (stated condition or event) "Time” or “in response to a test (condition or event stated)”.
- the disclosed systems, devices, and methods may be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the unit is only a logical function division.
- multiple units or components may be combined.
- 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 objectives of the embodiments of the present invention.
- each functional unit in the embodiment of the present invention 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 technical solution of the embodiments of the present invention may be embodied in the form of a software product stored in a storage medium.
- the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method of the embodiments of the present invention.
- the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory, a random access memory, a magnetic disk, or an optical disk.
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Abstract
Description
Claims (40)
- 一种随机接入的方法,其特征在于,包括:终端设备通过小区搜索获取第一频点;所述终端通过***广播消息获取网络设备支持的第一频带;所述终端设备在所述第一频点对应的多个频带中,确定所述终端设备支持的第二频带;所述终端设备确定所述第一频带和所述第二频带为相同的频带时,发起所述随机接入过程。
- 根据权利要求1所述的方法,其特征在于,所述方法还包括:所述第一频带和所述第二频带为不同的频带时,所述终端设备生成指示信息,所述指示信息用于所述网络设备确定所述终端设备可调度的频谱范围,或者所述指示信息用于指示所述频谱范围;所述终端设备向所述网络设备发送所述指示信息。
- 根据权利要求2所述的方法,其特征在于,所述指示信息更具体的用于指示所述终端设备支持的频带为所述第二频带。
- 根据权利要求2所述的方法,其特征在于,所述频谱范围为所述第一频带和所述第二频带的重叠频谱形成的范围。
- 根据权利要求2所述的方法,其特征在于,所述终端设备生成指示信息之前,所述方法还包括:所述终端设备接收所述网络设备发送第一映射关系信息,所述第一映射关系信息包括:所述多个频带与多个资源的对应关系,所述多个资源中的每个资源包括前导码和/或物理随机接入控制信道PRACH资源;所述终端设备根据所述第二频带和所述第一映射关系信息,确定所述第二频带对应的第一资源;其中,所述终端设备向所述网络设备发送所述指示信息,包括:所述终端设备通过所述第一资源发起随机接入过程,并通过所述第一资源指示所述终端设备支持的频带为所述第二频带。
- 根据权利要求2所述的方法,其特征在于,所述终端设备生成指示信息之前,所述方法还包括:所述终端设备接收所述网络设备发送第二映射关系信息,所述第二映射 关系信息包括:多个索引和所述多个频带的对应关系,所述多个索引互不相同;所述终端设备根据所述第二频带和所述第二映射关系信息,确定所述第二频带对应的第一索引;其中,所述终端设备向所述网络设备发送所述指示信息,包括:所述终端设备向所述网络设备发送所述第一索引,所述第一索引用于指示所述终端设备支持的频道为所述第二频带。
- 根据权利要求2至6中任一项所述的方法,其特征在于,所述终端设备向所述网络设备发送所述指示信息,包括:所述终端设备向所述网络发送媒体接入控制RRC消息,所述RRC消息包括所述指示信息。
- 一种随机接入的方法,其特征在于,包括:网络设备通过***广播的方式向终端设备发送所述网络设备支持的第一频带;所述网络设备响应所述终端设备发起的随机接入过程。
- 根据权利要求8所述的方法,其特征在于,所述方法还包括:所述网络设备接收所述终端设备发送的指示信息,所述指示信息用于网络设备确定所述终端设备可调度的频谱范围,或者所述指示信息用于指示所述频谱范围;其中,所述网络设备响应所述终端设备发起的随机接入过程,包括:所述网络设备根据所述频谱范围响应所述随机接入过程。
- 根据权利要求9所述的方法,其特征在于,所述指示信息更具体的用于指示所述终端设备支持的频带为所述第二频带。
- 根据权利要求9所述的方法,其特征在于,所述频谱范围为所述第一频带和所述第二频带的重叠频谱形成的范围。
- 根据权利要求9所述的方法,其特征在于,所述网络设备接收所述终端设备发送的指示信息之前,所述方法还包括:所述网络设备向所述终端设备发送第一映射关系信息,所述第一映射关系信息包括:所述多个频带与多个资源的对应关系,所述多个资源中的每个资源包括前导码和/或物理随机接入控制信道PRACH资源;其中,所述网络设备接收所述终端设备发送的指示信息,包括:所述网络设备确定所述终端设备发起随机接入过程时使用的第一资源;所述网络设备根据所述第一映射关系信息,将所述第一资源对应的第二频带确定为所述终端设备支持的频带。
- 根据权利要求9所述的方法,其特征在于,所述网络设备接收所述终端设备发送的指示信息之前,所述方法还包括:所述网络设备向所述终端设备发送第二映射关系信息,所述第二映射关系信息包括:多个索引和所述多个频带的对应关系,所述多个索引互不相同;其中,所述网络设备接收所述终端设备发送的指示信息,包括:所述网络设备接收所述终端设备发送的第一索引;所述网络设备根据所述第二映射关系信息和所述第一索引,将所述第一索引对应的第二频带确定为所述终端设备支持的频带。
- 根据权利要求9至13中任一项所述的方法,其特征在于,所述网络设备接收所述终端设备发送的指示信息,包括:所述网络设备接收所述终端设备发送的媒体接入控制RRC消息,所述RRC消息包括所述指示信息。
- 一种上报频谱的方法,其特征在于,包括:所述终端设备通过小区搜索获取第一频点;所述终端设备在所述第一频点对应的多个频带中,确定所述终端设备支持的第二频带;所述终端设备根据所述第二频带生成指示信息,所述指示信息用于网络设备确定所述终端设备可调度的频谱范围,或者所述指示信息用于指示所述频谱范围;所述终端设备向所述网络设备发送所述指示信息。
- 根据权利要求15所述的方法,其特征在于,所述指示信息更具体的用于指示所述终端设备支持的频带为所述第二频带。
- 根据权利要求15或16所述的方法,其特征在于,所述方法还包括:所述终端设备根据所述指示信息向所述网络设备发起随机接入过程。
- 一种上报频谱的方法,其特征在于,包括:网络设备接收所述终端设备发送的指示信息,所述指示信息用于网络设备确定所述终端设备可调度的频谱范围,或者所述指示信息用于指示所述频谱范围;所述网络设备根据所述指示信息,确定所述频谱范围。
- 根据权利要求18所述的方法,其特征在于,所述指示信息更具体的用于指示所述终端设备支持的频带为所述第二频带。
- 根据权利要求18或19所述的方法,其特征在于,所述方法还包括:所述网络设备根据所述频谱范围,响应所述终端设备发起的随机接入过程。
- 一种终端设备,其特征在于,包括:处理单元,用于通过小区搜索获取第一频点;收发单元,用于通过***广播消息获取网络设备支持的第一频带;所述处理单元还用于:在所述第一频点对应的多个频带中,确定所述终端设备支持的第二频带;确定所述第一频带和所述第二频带为相同的频带时,发起所述随机接入过程。
- 根据权利要求21所述的终端设备,其特征在于,所述处理单元还用于:所述第一频带和所述第二频带为不同的频带时,生成指示信息,所述指示信息用于所述网络设备确定所述终端设备可调度的频谱范围,或者所述指示信息用于指示所述频谱范围;所述收发单元还用于:向所述网络设备发送所述指示信息。
- 根据权利要求22所述的终端设备,其特征在于,所述指示信息更具体的用于指示所述终端设备支持的频带为所述第二频带。
- 根据权利要求22所述的终端设备,其特征在于,所述频谱范围为所述第一频带和所述第二频带的重叠频谱形成的范围。
- 根据权利要求22所述的终端设备,其特征在于,所述收发单元还用于:所述处理单元生成指示信息之前,接收所述网络设备发送第一映射关系信息,所述第一映射关系信息包括:所述多个频带与多个资源的对应关系,所述多个资源中的每个资源包括前导码和/或物理随机接入控制信道PRACH资源;所述处理单元还用于:根据所述第二频带和所述第一映射关系信息,确定所述第二频带对应的第一资源;通过所述第一资源发起随机接入过程,并通过所述第一资源指示所述终端设备支持的频带为所述第二频带。
- 根据权利要求22所述的终端设备,其特征在于,所述收发单元还用于:所述处理单元生成指示信息之前,接收所述网络设备发送第二映射关系信息,所述第二映射关系信息包括:多个索引和所述多个频带的对应关系,所述多个索引互不相同;所述处理单元还用于:根据所述第二频带和所述第二映射关系信息,确定所述第二频带对应的第一索引;所述收发单元还用于:向所述网络设备发送所述第一索引,所述第一索引用于指示所述终端设备支持的频道为所述第二频带。
- 根据权利要求22至26中任一项所述的终端设备,其特征在于,所述收发单元具体用于:向所述网络发送媒体接入控制RRC消息,所述RRC消息包括所述指示信息。
- 一种网络设备,其特征在于,包括:收发单元,用于通过***广播的方式向终端设备发送所述网络设备支持的第一频带;处理单元,用于响应所述终端设备发起的随机接入过程。
- 根据权利要求28所述的网络设备,其特征在于,所述收发单元还用于:接收所述终端设备发送的指示信息,所述指示信息用于网络设备确定所述终端设备可调度的频谱范围,或者所述指示信息用于指示所述频谱范围;其中,所述处理单元具体用于:根据所述频谱范围响应所述随机接入过程。
- 根据权利要求29所述的网络设备,其特征在于,所述指示信息更具体的用于指示所述终端设备支持的频带为所述第二频带。
- 根据权利要求29所述的网络设备,其特征在于,所述频谱范围为所述第一频带和所述第二频带的重叠频谱形成的范围。
- 根据权利要求29所述的网络设备,其特征在于,所述收发单元具体用于:接收所述终端设备发送的指示信息之前,向所述终端设备发送第一映射关系信息,所述第一映射关系信息包括:所述多个频带与多个资源的对应关系,所述多个资源中的每个资源包括前导码和/或物理随机接入控制信道PRACH资源;确定所述终端设备发起随机接入过程时使用的第一资源;根据所述第一映射关系信息,将所述第一资源对应的第二频带确定为所述终端设备支持的频带。
- 根据权利要求29所述的网络设备,其特征在于,所述收发单元具体用于:接收所述终端设备发送的指示信息之前,向所述终端设备发送第二映射关系信息,所述第二映射关系信息包括:多个索引和所述多个频带的对应关系,所述多个索引互不相同;接收所述终端设备发送的第一索引;根据所述第二映射关系信息和所述第一索引,将所述第一索引对应的第二频带确定为所述终端设备支持的频带。
- 根据权利要求29至33中任一项所述的网络设备,其特征在于,所述收发单元更具体用于:接收所述终端设备发送的媒体接入控制RRC消息,所述RRC消息包括所述指示信息。
- 一种终端设备,其特征在于,包括:处理单元,所述处理单元用于:通过小区搜索获取第一频点;在所述第一频点对应的多个频带中,确定所述终端设备支持的第二频带;根据所述第二频带生成指示信息,所述指示信息用于网络设备确定所述终端设备可调度的频谱范围,或者所述指示信息用于指示所述频谱范围;收发单元,用于向所述网络设备发送所述指示信息。
- 根据权利要求35所述的终端设备,其特征在于,所述指示信息更具体的用于指示所述终端设备支持的频带为所述第二频带。
- 根据权利要求35或36所述的终端设备,其特征在于,所述处理单元还用于:根据所述指示信息向所述网络设备发起随机接入过程。
- 一种网络设备,其特征在于,包括:收发单元,用于接收所述终端设备发送的指示信息,所述指示信息用于网络设备确定所述终端设备可调度的频谱范围,或者所述指示信息用于指示所述频谱范围;处理单元,用于根据所述指示信息,确定所述频谱范围。
- 根据权利要求38所述的网络设备,其特征在于,所述指示信息更具体的用于指示所述终端设备支持的频带为所述第二频带。
- 根据权利要求38或39所述的网络设备,其特征在于,所述处理单元还用于:根据所述频谱范围,响应所述终端设备发起的随机接入过程。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2017440654A AU2017440654B2 (en) | 2017-11-24 | 2017-11-24 | Random access method, spectrum reporting method, terminal device, and network device |
JP2020526034A JP2021504994A (ja) | 2017-11-24 | 2017-11-24 | ランダムアクセスの方法、周波数スペクトルを報告する方法、端末装置及びネットワーク装置 |
EP17932725.9A EP3703424B1 (en) | 2017-11-24 | 2017-11-24 | Random access and spectrum reporting methods, terminal device, and network device |
KR1020207014560A KR20200088817A (ko) | 2017-11-24 | 2017-11-24 | 무작위 접속의 방법, 스펙트럼 리포팅의 방법, 단말 장치와 네트워크 장치 |
MX2020005216A MX2020005216A (es) | 2017-11-24 | 2017-11-24 | Procedimiento de acceso aleatorio, procedimiento de informacion de espectro, dispositivo terminal, y dispositivo de red. |
CN201780097197.7A CN111386730B (zh) | 2017-11-24 | 2017-11-24 | 随机接入的方法、上报频谱的方法、终端设备和网络设备 |
SG11202003993TA SG11202003993TA (en) | 2017-11-24 | 2017-11-24 | Random access method, spectrum reporting method, terminal device, and network device |
PCT/CN2017/112941 WO2019100340A1 (zh) | 2017-11-24 | 2017-11-24 | 随机接入的方法、上报频谱的方法、终端设备和网络设备 |
US16/871,536 US20200275495A1 (en) | 2017-11-24 | 2020-05-11 | Random Access Method, Spectrum Reporting Method, Terminal Device, and Network Device |
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WO2023280085A1 (zh) * | 2021-07-09 | 2023-01-12 | 华为技术有限公司 | 频带范围上报的方法和通信装置 |
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US20220361089A1 (en) * | 2021-05-06 | 2022-11-10 | Apple Inc. | Systems and methods for supporting evolving band regulations |
CN115004838A (zh) * | 2022-04-22 | 2022-09-02 | 北京小米移动软件有限公司 | 一种接入控制方法、装置、设备及存储介质 |
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WO2006130318A1 (en) * | 2005-06-01 | 2006-12-07 | Sprint Spectrum L.P. | Method and system for selective usage of broadband forward link |
CN1956356A (zh) * | 2005-10-27 | 2007-05-02 | 中兴通讯股份有限公司 | 一种可灵活利用频谱资源的频段分配和接入方法及其*** |
CN104871449A (zh) * | 2012-12-20 | 2015-08-26 | 三星电子株式会社 | 在移动通信***中用于发送和接收的装置和方法 |
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CN102150445B (zh) * | 2008-09-12 | 2014-12-17 | 诺基亚公司 | 用户设备能力偏置 |
EP2749081B1 (en) * | 2011-08-22 | 2019-03-27 | Samsung Electronics Co., Ltd. | Method and apparatus for supporting multiple frequency bands in mobile communication system |
CN105636072A (zh) * | 2014-10-31 | 2016-06-01 | ***通信集团公司 | 一种检测频谱资源的方法、装置、终端及基站 |
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WO2006130318A1 (en) * | 2005-06-01 | 2006-12-07 | Sprint Spectrum L.P. | Method and system for selective usage of broadband forward link |
CN1956356A (zh) * | 2005-10-27 | 2007-05-02 | 中兴通讯股份有限公司 | 一种可灵活利用频谱资源的频段分配和接入方法及其*** |
CN104871449A (zh) * | 2012-12-20 | 2015-08-26 | 三星电子株式会社 | 在移动通信***中用于发送和接收的装置和方法 |
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AU2017440654B2 (en) | 2021-06-24 |
CN111386730B (zh) | 2022-04-22 |
SG11202003993TA (en) | 2020-06-29 |
CN111386730A (zh) | 2020-07-07 |
EP3703424A1 (en) | 2020-09-02 |
US20200275495A1 (en) | 2020-08-27 |
JP2021504994A (ja) | 2021-02-15 |
EP3703424A4 (en) | 2020-09-02 |
MX2020005216A (es) | 2020-08-20 |
AU2017440654A1 (en) | 2020-05-21 |
EP3703424B1 (en) | 2021-08-11 |
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