WO2022099524A1 - 一种信号发送、接收方法及装置 - Google Patents
一种信号发送、接收方法及装置 Download PDFInfo
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- 238000004891 communication Methods 0.000 claims description 80
- 238000012545 processing Methods 0.000 claims description 19
- 238000004590 computer program Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 12
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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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
- H04W8/24—Transfer of terminal data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
Definitions
- the present application relates to the field of wireless communication technologies, and in particular, to a method and apparatus for transmitting and receiving signals.
- a base station can perform positioning or channel estimation by measuring an uplink sounding reference signal (SRS) sent by a terminal device.
- SRS uplink sounding reference signal
- the SRS used for positioning is also called positioning SRS (positioning SRS, pos-SRS).
- positioning SRS positioning SRS, pos-SRS.
- one solution is to transmit multiple positioning signals in multiple narrowbands of different frequencies (such as subcarriers) by means of frequency hopping. Processed as a whole, it is possible to treat multiple positioning signals as one signal transmitted in a "large broadband” consisting of multiple narrow bands. Through this method, a "large broadband” signal can be obtained from multiple "small broadband” signals, thereby improving the positioning accuracy.
- the radio frequency transmission channel of the terminal device needs to be retuned to adapt to the frequency during frequency hopping transmission. Due to the re-tuning of the radio frequency transmission channel, there is a difference between the positioning signals transmitted in different narrowbands, and the existence of this difference will affect the positioning accuracy.
- the purpose of the embodiments of the present application is to provide a method and apparatus for transmitting and receiving signals, so as to solve the problem of how to reduce the difference between signals transmitted through frequency hopping.
- an embodiment of the present application provides a method for sending a signal.
- the execution body of the method is a terminal device or a module in the terminal device.
- the terminal device is used as the execution body as an example for description.
- the method includes:
- the at least two time-frequency resource units include a first time-frequency resource unit and a second time-frequency resource unit;
- the frequency domain resources of the first time-frequency resource unit include a first frequency domain resource and a second frequency domain resource, and the first frequency domain resource is the first time-frequency resource unit and the second time-frequency resource unit.
- the part of the resource unit overlapping in the frequency domain, the second frequency domain resource is the part of the frequency domain resource of the first time-frequency resource unit except the first frequency domain resource.
- the at least two time-frequency resource units further include a third time-frequency resource unit
- the second frequency domain resource includes a third frequency domain resource and a fourth frequency domain resource
- the third frequency domain resource is the frequency domain between the first time-frequency resource unit and the third time-frequency resource unit.
- the overlapping part above, the fourth frequency domain resource is the part of the second frequency domain resource other than the third frequency domain resource.
- the M signals include a first signal and a second signal, the first signal corresponds to the first time-frequency resource unit, and the second signal corresponds to the second time-frequency resource unit;
- bit sequence corresponding to the part of the first signal mapped on the first frequency domain resource and the bit sequence corresponding to the part mapped to the first frequency domain resource in the second signal are the same and have opposite signs.
- the M signals further include a first signal and a second signal, and the third signal corresponds to the third time-frequency resource unit;
- bit sequence corresponding to the part of the first signal that is mapped on the third frequency domain resource and the bit sequence corresponding to the part of the third signal that is mapped to the third frequency domain resource
- the values are the same and have opposite signs.
- the M signals are positioning reference signals; or,
- the part of the M signals mapped on the overlapping frequency domain resources is a phase tracking reference signal, and the part mapped on the frequency domain resources other than the overlapping frequency domain resources is a positioning reference signal.
- the method further includes: sending capability information to the network device, where the capability information indicates the frequency division capability of the phase-locked loop.
- the present application provides a signal receiving method, where the execution body of the method is a network device or a module in the network device, and the description is made by taking the network device as the execution body as an example.
- the method includes:
- the M signals are in one-to-one correspondence with the M time-frequency resource units, there are at least two time-frequency resource units in the M time-frequency resource units that partially overlap in the frequency domain, and the M time-frequency resource units Any two time-frequency resource units in the resource unit do not overlap in the time domain, and M is an integer greater than 1.
- the M signals include at least two signals, and the at least two signals correspond to the at least two time-frequency resource units;
- the method also includes:
- the at least two signals are phase compensated according to the phase difference of the at least two signals.
- the at least two time-frequency resource units include a first time-frequency resource unit and a second time-frequency resource unit;
- the frequency domain resources of the first time-frequency resource unit include a first frequency domain resource and a second frequency domain resource, and the first frequency domain resource is the first time-frequency resource unit and the second time-frequency resource unit.
- the part of the resource unit overlapping in the frequency domain, the second frequency domain resource is the part of the frequency domain resource of the first time-frequency resource unit except the first frequency domain resource.
- the at least two time-frequency resource units further include a third time-frequency resource unit
- the second frequency domain resource includes a third frequency domain resource and a fourth frequency domain resource
- the third frequency domain resource is the frequency domain between the first time-frequency resource unit and the third time-frequency resource unit.
- the overlapping part above, the fourth frequency domain resource is the part of the second frequency domain resource other than the third frequency domain resource.
- the M signals include a first signal and a second signal, the first signal corresponds to the first time-frequency resource unit, and the second signal corresponds to the second time-frequency resource unit;
- bit sequence corresponding to the part of the first signal mapped on the first frequency domain resource and the bit sequence corresponding to the part mapped to the first frequency domain resource in the second signal are the same and have opposite signs.
- the M signals further include a first signal and a second signal, and the third signal corresponds to the third time-frequency resource unit;
- bit sequence corresponding to the part of the first signal that is mapped on the third frequency domain resource and the bit sequence corresponding to the part of the third signal that is mapped to the third frequency domain resource
- the values are the same and have opposite signs.
- the M signals are positioning reference signals; or, the part of the M signals that is mapped on the overlapping frequency domain resources is a phase tracking reference signal, which is mapped to a signal other than a reference signal.
- the part on the frequency domain resources other than the overlapping frequency domain resources is the positioning reference signal.
- the present application further provides a communication device, the communication device having any of the methods provided in the above-mentioned first aspect.
- the communication device may be implemented by hardware, or by executing corresponding software by hardware.
- the hardware or software includes one or more units or modules corresponding to the above functions.
- the communication apparatus includes: a processor, and the processor is configured to support the communication apparatus to perform the corresponding functions of the terminal device in the above-described method.
- the communication device may also include a memory, which may be coupled to the processor, which holds program instructions and data necessary for the communication device.
- the communication apparatus further includes a communication interface, where the communication interface is used to support communication between the communication apparatus and devices such as network equipment.
- the communication device includes corresponding functional modules, which are respectively used to implement the steps in the above method.
- the functions can be implemented by hardware, or by executing corresponding software by hardware.
- the hardware or software includes one or more modules corresponding to the above functions.
- the structure of the communication apparatus includes a processing unit and a communication unit, and these units can perform the corresponding functions in the above method examples.
- these units can perform the corresponding functions in the above method examples.
- the description of the method provided in the first aspect which is not repeated here.
- the present application further provides a communication device, the communication device having any of the methods provided in the second aspect above.
- the communication device may be implemented by hardware, or by executing corresponding software by hardware.
- the hardware or software includes one or more units or modules corresponding to the above functions.
- the communication apparatus includes: a processor configured to support the communication apparatus to perform the corresponding functions of the network device in the method shown above.
- the communication device may also include a memory, which may be coupled to the processor, which holds program instructions and data necessary for the communication device.
- the communication apparatus further includes a communication interface, where the communication interface is used to support communication between the communication apparatus and equipment such as terminal equipment.
- the communication device includes corresponding functional modules, which are respectively used to implement the steps in the above method.
- the functions can be implemented by hardware, or by executing corresponding software by hardware.
- the hardware or software includes one or more modules corresponding to the above functions.
- the structure of the communication apparatus includes a processing unit and a communication unit, and these units can perform the corresponding functions in the above method examples.
- these units can perform the corresponding functions in the above method examples.
- the description of the method provided in the first aspect which is not repeated here.
- a communication device comprising a processor and a communication interface
- the communication interface is used to receive signals from other communication devices other than the communication device and transmit to the processor or send signals from the processor
- the processor is used to implement the method provided in the foregoing first aspect through logic circuits or executing code instructions.
- a communication device comprising a processor and a communication interface
- the communication interface is used to receive signals from other communication devices other than the communication device and transmit to the processor or send signals from the processor
- the processor is used to implement the method provided in the aforementioned second aspect by means of a logic circuit or executing code instructions.
- a computer-readable storage medium is provided, and a computer program or instruction is stored in the computer-readable storage medium.
- the computer program or instruction is executed by a processor, the aforementioned first aspect or the second aspect is implemented. provided method.
- a computer program product comprising instructions which, when executed by a processor, implement the method provided in the aforementioned first aspect or the second aspect.
- a chip system in a ninth aspect, includes a processor, and may further include a memory, for implementing the method provided in the foregoing first aspect or the second aspect.
- the chip system can be composed of chips, and can also include chips and other discrete devices.
- a tenth aspect provides a communication system, where the system includes the apparatus (eg, terminal equipment) described in the third aspect and the apparatus (eg, network equipment) described in the fourth aspect.
- the apparatus eg, terminal equipment
- the apparatus eg, network equipment
- FIG. 1 is a schematic diagram of a positioning architecture based on a 5G core network applicable to an embodiment of the present application
- FIG. 2 is a schematic flowchart of a signal transmission method provided by an embodiment of the present application.
- FIG. 3 is a schematic diagram of the position distribution of a signal in the frequency domain according to an embodiment of the present application.
- FIG. 4 is a schematic diagram of the position distribution of a signal in the frequency domain according to an embodiment of the present application.
- FIG. 5 is a schematic diagram of the position distribution of a signal in the frequency domain provided by an embodiment of the present application.
- FIG. 6 is a schematic diagram of the position distribution of a signal in the frequency domain according to an embodiment of the present application.
- FIG. 7 is a schematic diagram of the position distribution of a signal in the frequency domain according to an embodiment of the present application.
- FIG. 8 is a schematic diagram of the position distribution of a signal in the frequency domain according to an embodiment of the present application.
- FIG. 9 is a schematic diagram of the position distribution of a signal in the frequency domain provided by an embodiment of the present application.
- FIG. 10 is a schematic diagram of the position distribution of a signal in the frequency domain provided by an embodiment of the present application.
- FIG. 11 is a schematic diagram of the position distribution of a signal in the frequency domain provided by an embodiment of the present application.
- FIG. 12 is a schematic diagram of the position distribution of a signal in the frequency domain provided by an embodiment of the present application.
- FIG. 13 is a schematic diagram of a positioning process according to an embodiment of the present application.
- FIG. 14 is a schematic structural diagram of a communication device according to an embodiment of the present application.
- FIG. 15 is a schematic structural diagram of a communication device according to an embodiment of the present application.
- FIG. 1 it is a schematic diagram of a positioning architecture based on a 5G core network applicable to an embodiment of the present application.
- the roles of each functional entity can be as follows:
- the terminal device can send a reference signal, such as a pos-SRS, so that devices such as a next generation NodeB (gNB) on the network side can locate the terminal device according to the pos-SRS.
- a reference signal such as a pos-SRS
- devices such as a next generation NodeB (gNB) on the network side can locate the terminal device according to the pos-SRS.
- gNB next generation NodeB
- the gNB can measure the reference signal from the terminal equipment, obtain the measurement information, and convey the measurement information to the location management function (LMF) network element.
- LMF location management function
- gNBs can also provide other functions, such as providing wireless connectivity for terminal devices.
- the LMF network element can be responsible for supporting different types of location services related to the target terminal equipment, including positioning the terminal equipment and delivering auxiliary data to the terminal equipment.
- Its control plane and user plane are respectively enhanced serving mobile location center (enhanced serving mobile location). centre, E-SMLC) network element and secure user plane location platform (secure user plane location platform, SLP) network element.
- E-SMLC enhanced serving mobile location center
- SLP secure user plane location platform
- the AMF network element can receive the location service request related to the terminal device, or the AMF network element itself can perform the location service and forward the location service request to the LMF. After obtaining the location information returned by the terminal device, the relevant location information is returned to a location service (location service, LCS) entity.
- location service location service, LCS
- the terminal device may be a device with a wireless transceiver function or a chip that may be installed in any device, and may also be referred to as user equipment (user equipment, UE), access terminal, subscriber unit, subscriber station, A mobile station, mobile station, mobile device, user terminal, wireless communication device or user equipment.
- the terminal device in this embodiment of the present application may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (VR) terminal, an augmented reality (AR) terminal, an industrial Wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical, wireless terminals in smart grid, etc.
- the terminal device may be a low-capability (Reduced Capability, REDCAP) terminal device; it may be a traditional-capability or normal-capability or high-capability terminal device, and may also be referred to as a legacy (legacy) terminal device or a normal (normal) terminal device.
- REDCAP terminal equipment and traditional terminal equipment are at least different in terms of bandwidth capabilities. For example, the maximum bandwidth supported by REDCAP terminal equipment is small, such as 50MHz, 40MHz, 20MHz, 15MHz, 10MHz or 5MHz; the maximum bandwidth supported by traditional terminal equipment is large, For example, it is 100MHz.
- the network device may be a gNB in an NR system, or an evolved node (evolved NodeB, eNB) in an LTE system, or the like.
- eNB evolved node
- the network device is a gNB, it can be composed of a centralized unit (centralized unit, CU) and a distributed unit (distributed unit, DU).
- the network architecture and service scenarios described in the embodiments of the present application are for the purpose of illustrating the technical solutions of the embodiments of the present application more clearly, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application. It can be seen that, with the evolution of the network architecture and the emergence of new service scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.
- the interaction between a terminal device and a network device is used as an example for description.
- the methods provided in the embodiments of the present application can also be applied to the interaction between other execution subjects, for example, a chip or module of a terminal device, and a
- a chip or module of a terminal device for example, a chip or module of a terminal device
- a for the interaction between chips or modules in the network device when the execution body is a chip or a module, reference may be made to the descriptions in the embodiments of this application, and details are not repeated here.
- FIG. 2 a schematic flowchart of a signal transmission method provided by an embodiment of the present application is shown.
- the method includes:
- Step 201 The terminal device generates M signals.
- M is an integer greater than 1.
- the terminal device specifically generates the M signals is not limited in this embodiment of the present application, and details are not described herein again.
- Step 202 The terminal device sends M signals in the M time-frequency resource units.
- At least two time-frequency resource units in the M time-frequency resource units partially overlap in the frequency domain, and any two time-frequency resource units in the M time-frequency resource units do not overlap in the time domain.
- time-frequency resource unit #1 and time-frequency resource unit #2 overlap in the frequency domain
- time-frequency resource unit #1 and time-frequency resource unit #3 overlap in the frequency domain
- time-frequency resource unit #2 and time-frequency resource unit #2 overlap in the frequency domain
- Frequency resource element #3 does not overlap in the frequency domain.
- the partial overlap in the frequency domain can be understood as: for every two time-frequency resource units that partially overlap in the frequency domain, the overlapping frequency domain resource is only each time-frequency resource unit in the two time-frequency resource units. part of the frequency domain resources.
- the time-frequency resource unit #1 and the time-frequency resource unit #2 partially overlap
- the overlapping frequency domain resources are only a part of the time-frequency resource unit #1 and only a part of the time-frequency resource unit #2.
- Step 203 The network device determines M time-frequency resource units
- Step 204 The network device receives M signals on the M time-frequency resource units.
- the network device estimates a phase difference value of the at least two signals according to a signal in which the at least two signals partially overlap in the frequency domain, and performs phase compensation on the at least two phases according to the phase difference value.
- the M signals are in one-to-one correspondence with the M time-frequency resource units, that is, one time-frequency resource unit in the M time-frequency resource units is used to carry one signal among the M signals.
- one of the M signals may correspond to one sending opportunity, and the M sending occasions corresponding to the M signals may be consecutive M sending occasions.
- the M time-frequency resource units may have at least one of the following features: 1.
- the M time-frequency resource units are consecutive M time-frequency resource units.
- the signals S 1 to S 2 are carried by the time-frequency resource units X1 to X2 respectively, and two adjacent time-frequency resource units X1 and X2 include a time interval, wherein the time interval includes at least one or more orthogonal Frequency division multiplexing (orthogonal frequency division multiplexing, OFDM) symbols or time slots, the time interval may be greater than or equal to the time required for the radio frequency retuning of the radio frequency transmission channel of the terminal device.
- OFDM orthogonal Frequency division multiplexing
- the M time-frequency resource units may correspond to M bandwidth units in the frequency domain, and one time-frequency resource unit corresponds to one bandwidth unit.
- the bandwidth unit may include at least one subcarrier or at least one bandwidth part (BWP), and the bandwidth unit may also be a preset fixed bandwidth, for example, the bandwidth unit is a bandwidth of 20 MHz.
- one time-frequency resource unit in the M time-frequency resource units may include at least one OFDM symbol in the time domain.
- the bandwidth of the signal may be equal to the bandwidth of the time-frequency resource unit that carries the signal, that is, the signal occupies the entire time-frequency in the frequency domain The frequency domain range of the resource unit.
- the duration of a time-frequency resource unit in the time domain is T OFDM symbols, where T is a number greater than 0, and the bandwidth in the frequency domain is 20 MHz.
- the signal carried in the time-frequency resource unit may occupy part of the OFDM symbol in the time domain, and occupy 20 MHz in the frequency domain, that is, occupy the entire bandwidth of the time-frequency resource unit.
- the positional relationship of the M time-frequency resource units or the M signals in the frequency domain may exist in multiple implementation manners, which are described separately below.
- Implementation mode 1 The frequency domain resources occupied by at least two signals in the frequency domain among the M signals partially overlap, and the time domain resources occupied by any two signals in the M signals in the time domain do not overlap.
- this implementation can also be understood as that there are at least two time-frequency resource units in the M time-frequency resource units.
- the domain overlaps partially, and any two time-frequency resource units in the M time-frequency resource units do not overlap in the time domain.
- one time-frequency resource unit in the M time-frequency resource units when one time-frequency resource unit in the M time-frequency resource units partially overlaps with other time-frequency resource units in the frequency domain, it may partially overlap with multiple time-frequency resource units in the frequency domain.
- one signal of the M signals when one signal of the M signals partially overlaps with other signals in the frequency domain, it may partially overlap with multiple signals in the frequency domain.
- one time-frequency resource unit and one or two time-frequency resource units are partially overlapped in the frequency domain as an example for description, or a signal and one or two signals are partially overlapped in the frequency domain. Examples are described, and other cases are not described one by one.
- the two signals are adjacent in the time domain.
- each time-frequency resource unit in the M time-frequency resource units partially overlaps with one or two time-frequency resource units in the frequency domain as an example for description.
- the signals S 1 to S 5 are carried by the time-frequency resource units X1 to X5 respectively, and there is partial overlap in the frequency domain between adjacent time-frequency resource units.
- the time-frequency resource unit X1 to the time-frequency resource unit The maximum frequency (or the minimum frequency) corresponding to the unit X5 increases sequentially, or the center frequency points of the M time-frequency resource units increase sequentially.
- the frequency domain resources occupied in the frequency domain between two adjacent signals partially overlap, and the frequency occupied in the frequency domain is the maximum value (or the minimum frequency) value) are incremented sequentially.
- each time-frequency resource unit in the M time-frequency resource units partially overlaps with one or two time-frequency resource units in the time domain.
- the signals S 1 to S 5 are carried by the time-frequency resource units X1 to X5 respectively, and there is partial overlap in the frequency domain between adjacent time-frequency resource units, and the time-frequency resource unit X1 to the time-frequency resource unit
- the maximum frequency (or the minimum frequency) corresponding to the unit X5 decreases in sequence, or the center frequency points of the M time-frequency resource units decrease in sequence.
- the frequency domain resources occupied in the frequency domain between the two adjacent signals corresponding to the transmission timings partially overlap, and the maximum frequency occupied in the frequency domain is the maximum value in the frequency domain. (or frequency minimum value) decreases sequentially.
- the transmission timings corresponding to the two signals may or may not be adjacent in the time domain.
- the transmission timings corresponding to the signals carried by the two time-frequency resource units are in the time domain. can be adjacent or not.
- the transmission timing corresponding to the signal carried by the m-th time-frequency resource unit is the same as
- the signals S 1 to S 5 are respectively sent through five consecutive transmission occasions in the time domain, and the five time-frequency resource units corresponding to these five transmission occasions are: Time-frequency resource unit X1 to time-frequency resource unit X5.
- the time-frequency resource unit X1 and the time-frequency resource unit X3 partially overlap in the frequency domain; the time-frequency resource unit X2 partially overlaps with the time-frequency resource unit X4 and the time-frequency resource unit X5 in the frequency domain; the time-frequency resource unit X3 and The time-frequency resource unit X1 and the time-frequency resource unit X5 partially overlap in the frequency domain; the time-frequency resource unit X4 and the time-frequency resource unit X2 partially overlap in the frequency domain; the time-frequency resource unit X5 and the time-frequency resource unit X2, the time-frequency resource unit X2
- the resource elements X3 partially overlap in the frequency domain.
- the signal S 1 and the signal S 3 partially overlap in the frequency domain; the signal S 2 partially overlaps the signal S 4 and the signal S 5 in the frequency domain; the signal S 3 partially overlaps the signal S 1 and the signal S 5 in the frequency domain ; The signal S 4 and the signal S 2 partially overlap in the frequency domain; the signal S 5 partially overlaps with the signal S 2 and the signal S 3 in the frequency domain.
- the signals S 1 to S 5 are respectively sent through 5 consecutive transmission occasions in the time domain, and the 5 transmission occasions correspond to 5 time-frequency resource units It is carried by the time-frequency resource unit X1 to the time-frequency resource unit X5.
- the time-frequency resource unit X1 partially overlaps with the time-frequency resource unit X3 and the time-frequency resource unit X4 in the frequency domain; the time-frequency resource unit X2 and the time-frequency resource unit X3 partially overlap in the frequency domain; the time-frequency resource unit X3 and The time-frequency resource unit X1 and the time-frequency resource unit X2 partially overlap in the frequency domain; the time-frequency resource unit X4 partially overlaps with the time-frequency resource unit X1 and the time-frequency resource unit X5 in the frequency domain; the time-frequency resource unit X5 and the time-frequency resource unit X5 The resource elements X4 partially overlap in the frequency domain.
- the signal S 1 partially overlaps with the signal S 3 and the signal S 4 in the frequency domain; the signal S 2 and the signal S 3 partially overlap in the frequency domain; the signal S 3 partially overlaps with the signal S 1 and the signal S 2 in the frequency domain ;
- the signal S 4 partially overlaps with the signal S 1 and the signal S 5 in the frequency domain; the signal S 5 and the signal S 4 partially overlap in the frequency domain.
- any two time-frequency resource units in the M time-frequency resource units do not overlap in the frequency domain, and any two time-frequency resource units in the M time-frequency resource units Cells do not overlap in the time domain.
- the signals S 1 to S 5 are respectively sent through five consecutive transmission occasions in the time domain, and the five time-frequency resource units corresponding to these five transmission occasions are:
- the time-frequency resource unit X1 to the time-frequency resource unit X5 are carried. Any two time-frequency resource units in the time-frequency resource unit X1 to the time - frequency resource unit X5 do not overlap in the frequency domain, that is, the frequency domain resources occupied by any two signals among the signals S1 to S5 do not overlap.
- the frequency domain resources occupied by any two signals among the signals S1 to S5 do not overlap.
- the center frequency point of the time-frequency resource unit X1 to the center frequency point of the time-frequency resource unit X5 is sequentially increased (or in the order from small to large in the frequency domain) as an example for illustration.
- the M time-frequency resource units are in The distribution in the frequency domain may also exist in other forms.
- FIG. 9 a schematic diagram of the location of another time-frequency resource unit provided by the present application.
- time-frequency resource units X1 to time-frequency resource units X5 are not distributed in an order from large to small or from small to large in the frequency domain, but are distributed in random order without certain rules.
- the frequency domain resource occupied by the first signal may include two parts: the first frequency domain resource and the second frequency domain resource.
- the second frequency domain resource may further include two parts: a third frequency domain resource and a fourth frequency domain resource.
- the third frequency domain resource may be located between the first frequency domain resource and the fourth frequency domain resource, and the sum of the bandwidth corresponding to the first frequency domain resource and the bandwidth corresponding to the second frequency domain resource is less than or equal to
- the bandwidth of the first signal, the bandwidth corresponding to the first frequency domain resource, and the specific values of the bandwidth corresponding to the second frequency domain resource are not limited in this embodiment of the present application.
- the bandwidth corresponding to the third frequency domain resource and the sum of the bandwidth corresponding to the fourth frequency domain resource are less than or equal to the bandwidth corresponding to the second frequency domain resource, the bandwidth corresponding to the third frequency domain resource, and the fourth frequency domain resource.
- the specific value of the corresponding bandwidth is not limited in this embodiment of the present application.
- the first frequency domain resource is the overlap of the frequency domain resource occupied by the first signal and the frequency domain resource occupied by the second signal.
- the second frequency domain resource is the part other than the first frequency domain resource among the frequency domain resources occupied by the first signal.
- the fourth frequency domain resource is the frequency domain resource occupied by the first signal and the frequency domain resource occupied by the third signal in the frequency domain the overlapping part.
- the third frequency domain resource is the part of the second frequency domain resource other than the fourth frequency domain resource.
- the frequency domain resources occupied by the signal S2 may include a first frequency domain resource F1 and a second frequency domain resource F2.
- the second frequency domain resource F2 may further include a third frequency domain resource F3 and a fourth frequency domain resource F4.
- the first frequency domain resource F1 occupied by the signal S2 may refer to the signal The part of the frequency domain resources occupied by S2 and the frequency domain resources occupied by signal S3 overlaps; the fourth frequency domain resource F4 occupied by signal S2 may refer to the frequency domain resources occupied by signal S2 and the frequency domain resources occupied by signal S1 The overlapping part in the signal S2; the third frequency domain resource F3 occupied by the signal S2 may refer to the part of the frequency domain resource occupied by the signal S2 except the first frequency domain resource F1 and the third frequency domain resource F3.
- the frequency domain resources occupied by the signal S1 may include a first frequency domain resource F1 and a second frequency domain resource F2.
- the frequency domain resources occupied by the signal S3 may include a first frequency domain resource F1 and a second frequency domain resource F2.
- the first frequency domain resource F1 occupied by the signal S1 may refer to the overlapping part of the frequency domain resource occupied by the signal S1 and the frequency domain resource occupied by the signal S2; the second frequency domain resource F2 occupied by the signal S2 may be Refers to the part of the frequency domain resources occupied by the signal S2 except the first frequency domain resource F1.
- the first frequency domain resource F1 occupied by the signal S3 may refer to the overlapping part of the frequency domain resource occupied by the signal S3 and the frequency domain resource occupied by the signal S2; the second frequency domain resource F2 occupied by the signal S3 may It refers to the part of the frequency domain resources occupied by the signal S3 except the first frequency domain resource F1.
- the frequency domain resource occupied by the time-frequency resource unit may include two parts: a first frequency domain resource and a second frequency domain resource.
- the second frequency domain resource may further include two parts: a third frequency domain resource and a fourth frequency domain resource.
- the bit sequence corresponding to the part of the first signal mapped on the first frequency domain resource is the same as that in the second signal.
- the value of the bit sequence corresponding to the part mapped on the first frequency domain resource is the same.
- the bit sequence corresponding to the part of the first signal mapped on the first frequency domain resource is the value of the bit sequence corresponding to the part mapped to the first frequency domain resource in the second signal.
- the phase of the signal corresponding to the bit sequence mapped to the first frequency domain resource of the first signal can be made to be the same as the phase of the signal corresponding to the bit sequence mapped to the first frequency domain resource of the second signal
- the phase difference between them is 180°+N ⁇ 360°, where N is an integer.
- the bit sequence corresponding to the part of the first signal mapped on the fourth frequency domain resource is the same as that in the third signal.
- the value of the bit sequence corresponding to the part mapped on the fourth frequency domain resource is the same.
- the bit sequence corresponding to the part of the first signal mapped on the fourth frequency domain resource has the same value as the bit sequence corresponding to the part mapped to the fourth frequency domain resource in the third signal, and The sign is opposite.
- the phase of the signal corresponding to the bit sequence of the first signal mapped in the fourth frequency domain resource and the phase of the signal corresponding to the bit sequence of the third signal mapped in the fourth frequency domain resource can be
- the phase difference value is 180°+N ⁇ 360°, and N is an integer.
- each of the M signals may be a positioning reference signal, and the positioning reference signal includes but is not limited to pos-SRS.
- the part of the M signals mapped on the overlapping frequency domain resources is a phase tracking reference signal or any kind of signal, which is mapped on frequencies other than the overlapping frequency domain resources.
- the part on the domain resource is the positioning reference signal.
- the signal mapped by the first signal in the first frequency domain resource is the phase tracking reference signal or
- the signal mapped to the second frequency domain resource by the first signal is a positioning reference signal.
- the signal mapped by the second signal in the first frequency domain resource is a phase tracking reference signal
- the signal mapped by the second signal in the second frequency domain resource is a positioning reference signal.
- the signal mapped by the first signal in the fourth frequency domain resource is the phase tracking reference signal or any kind of signal
- the signal mapped to the third frequency domain resource by the first signal is a positioning reference signal.
- the signal mapped by the third signal in the fourth frequency domain resource is a phase tracking reference signal
- the signal mapped by the third signal in the third frequency domain resource is a positioning reference signal.
- each of the M signals includes a positioning reference signal
- the positioning reference signals included in the two adjacent signals at corresponding transmission timings are mutually orthogonal.
- the terminal device transmits M signals on different frequency domain resources
- the phase of the signals on different frequency domain resources will hop in the time domain. This phase hopping is due to the lock of the terminal device. It is caused when the phase loop relocks the phase of the signal, so there is a phase difference between the signals sent on different frequency domain resources.
- the M signals may be used for positioning. The principle of positioning is mainly to correlate the local signal with the combined large-bandwidth signal of the M signals recovered by the receiving side, and to estimate the arrival delay of the signal by searching for the peak value.
- the network device may estimate the phase difference of the two signals according to the overlapping part of the two signals in the frequency domain, so as to compensate the phase, which will be described in detail below.
- the network equipment will perform the M signals received in the M time-frequency resource units.
- the superposition is used to restore a large bandwidth signal as an example to illustrate.
- the corresponding sending timings of the two signals are adjacent.
- the phases of signals S1 to S5 can be respectively to Assuming that the bandwidth occupied by each signal is 20 MHz, when the frequency domain resources occupied by the two signals partially overlap, the bandwidth of the overlapping portion may be 2 MHz.
- the network device can estimate the phase difference between the two based on the channel estimation result of the overlapping part in the frequency domain, and then perform phase compensation in the time domain to align the two signals to the same phase .
- the following description takes the signal S1 and the signal S2 as an example.
- the network device performs channel estimation based on the overlapping signals between the signal S1 and the signal S2 in the frequency domain. It is assumed that the channel gain of the signal S2 is h(t_1), the amplitude is a(t_1), and the phase is The following relationship can be satisfied:
- the channel gain for the signal S2 is h(t_2), the amplitude is a(t_2), and the phase is The following relationship can be satisfied:
- the signal S1 and the signal S2 can be set to the same phase, for example, the phase of the signal S2 is compensated according to the phase difference, and the phase of the signal S2 is compensated as
- the network device may set the phases of the M signals to the same phase, for example, to the phase of the first transmitted signal among the M signals.
- the network device compensates the phases of the M signals, so as to eliminate the influence of random phase hopping between signals transmitted in different time-frequency resource units, and realize high-precision positioning.
- the terminal device may also send capability information to the network device, where the capability information indicates the frequency division capability of the phase-locked loop of the terminal device. Eight-way pace.
- the network device may adjust the estimated phase difference according to the frequency division capability of the phase-locked loop of the terminal device.
- the phase difference of signals in different time-frequency resource units can be any value in ⁇ 0, ⁇ /2, ⁇ ,3 ⁇ /2 ⁇ ; the frequency division capability is When the frequency is divided by eight, the phase difference of the signals in different time-frequency resource units is in ⁇ 0, ⁇ /4, ⁇ /2,3 ⁇ /4, ⁇ ,5 ⁇ /4,3 ⁇ /2,7 ⁇ /4 ⁇ any value of .
- the network device can correct the phase difference to ⁇ /2.
- the network device maps the first signal to the first frequency domain resource
- the bit sequence obtained by superimposing the part of the second signal on the first frequency domain resource is 0, so that the interference caused by the bit sequence in the first frequency domain resource can be eliminated, and the estimation accuracy of the phase difference can be improved.
- the bit sequence corresponding to the part of the first signal mapped to the fourth frequency domain resource is the same as the part of the third signal mapped to the fourth frequency domain resource.
- the network device superimposes the part of the first signal mapped on the first frequency domain resource and the part of the third signal mapped on the first frequency domain resource. The sequence is 0, so that the interference caused by the bit sequence in the third frequency domain resource can be eliminated, and the estimation accuracy of the phase difference can be improved.
- the signals S1 to S5 are respectively transmitted in different time-frequency resource units.
- the bit sequences of the overlapping parts of the two signals mapped in the frequency domain have the same value and opposite signs.
- the network device finally combines the signals S1 to S5 into a signal with a large bandwidth, the bit sequences of the overlapping parts in the frequency domain are superimposed. The value is 0.
- FIG. 13 it is a schematic diagram of a positioning process suitable for this embodiment of the present application.
- FIG. 13 only some steps in the positioning process are listed, and the detailed steps of the positioning process are different according to different positioning scenarios and methods, and are not listed one by one here.
- Step 1301 The AMF network element obtains a location service request, and the location service request is used to obtain information such as the location of the terminal device.
- the location service request may be sent by the LCS entity, or may be sent by the terminal device, which is not limited in this embodiment of the present application.
- Step 1302 The AMF network element forwards the location service request to the LMF network element.
- Step 1303a The LMF network element sends a positioning capability request message to the terminal device, where the positioning message is used to request the positioning capability of the terminal device.
- the positioning message may be sent through an LTE positioning protocol (LTE positioning protocol, LPP) message.
- LTE positioning protocol LTE positioning protocol, LPP
- Step 1303b The terminal device sends a positioning capability response message to the LMF network element, where the positioning capability response message includes the positioning capability of the terminal device.
- the positioning capability refers to the positioning technology supported by the terminal device, such as the ability to support positioning based on the Global Navigation Satellite System (GNSS), the ability to support positioning based on the Observed Time Difference of Arrival (OTDOA) positioning technology capabilities, the ability to support sensor-based positioning, etc.
- GNSS Global Navigation Satellite System
- OTDOA Observed Time Difference of Arrival
- Step 1304 The LMF network element sends a request message to the network device for requesting information related to the positioning signal, such as configuration information of the positioning signal.
- the positioning signal may refer to the signal sent by the terminal device through M time-frequency resource units in the foregoing embodiment.
- Step 1305 The network device sends the configuration information of the positioning signal to the terminal device.
- Configuration information can indicate one or more of the following:
- the number of frequency hopping in the N time-frequency resource units for example, the number of frequency hopping may be equal to N;
- the benchmark sequence or parameters for generating the benchmark sequence.
- the configuration information may also include other contents, which will not be repeated here.
- Step 1306 The network device sends the configuration information of the positioning signal to the LMF network element.
- step 1307 the network device triggers the terminal device to send a positioning signal.
- Step 1308 The terminal device sends a positioning signal.
- the positioning signal may be the M signals described above, and for details, please refer to the description in step 201 and step 202 .
- Step 1309 The network device receives the positioning signal, and measures the positioning signal to obtain measurement information.
- the measurement information may include, but is not limited to, reference signal time difference (Reference Signal Time Difference, RSTD), round trip time (Round Trip Time, RTT), reference signal received power (Reference Signal Received Power, RSRP), reference signal received quality (Reference Signal Received) Quality, RSRQ) and so on.
- RSTD Reference Signal Time Difference
- RTT Round Trip Time
- RTT Reference Signal Received Power
- RSRP Reference Signal Received Power
- RSRQ Reference Signal Received Quality
- Step 1310 The network device sends measurement information to the LMF network element.
- Step 1311 The LMF network element performs location calculation according to the measurement information, obtains location information, and sends the location information to the AMF network element.
- How the LMF network element determines the location information according to the measurement information is not limited in this embodiment of the present application.
- the LMF network element can also send the location information to the terminal device or the network device.
- the network device or the terminal device may include a hardware structure and/or a software module, and implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module . Whether one of the above functions is performed in the form of a hardware structure, a software module, or a hardware structure plus a software module depends on the specific application and design constraints of the technical solution.
- each functional module in each embodiment of the present application may be integrated into one processor, or may exist physically alone, or two or more modules may be integrated into one module.
- the above-mentioned integrated modules can be implemented in the form of hardware, and can also be implemented in the form of software function modules.
- an embodiment of the present application further provides an apparatus 1400 for implementing the functions of the network device or the terminal device in the above method.
- the apparatus may be a software module or a system-on-chip.
- the chip system may be composed of chips, or may include chips and other discrete devices.
- the apparatus 1400 may include: a processing unit 1401 and a communication unit 1402 .
- the communication unit may also be referred to as a transceiver unit, and may include a sending unit and/or a receiving unit, which are respectively configured to perform the sending and receiving steps of the network device or the terminal device in the above method embodiments.
- a communication unit may also be referred to as a transceiver, transceiver, transceiver, or the like.
- the processing unit may also be referred to as a processor, a processing single board, a processing module, a processing device, and the like.
- the device for implementing the receiving function in the communication unit 1402 may be regarded as a receiving unit, and the device for implementing the sending function in the communication unit 1402 may be regarded as a transmitting unit, that is, the communication unit 1402 includes a receiving unit and a transmitting unit.
- a communication unit may also sometimes be referred to as a transceiver, transceiver, or transceiver circuit, or the like.
- the receiving unit may also sometimes be referred to as a receiver, receiver, or receiving circuit, or the like.
- the transmitting unit may also sometimes be referred to as a transmitter, a transmitter, or a transmitting circuit, or the like.
- a communication unit configured to send the M signals on the M time-frequency resource units
- the first signal includes M signals, the M signals are in one-to-one correspondence with the M time-frequency resource units, and there are at least two time-frequency resource units in the frequency domain among the M time-frequency resource units The upper part overlaps, and any two time-frequency resource units in the M time-frequency resource units do not overlap in the time domain, and M is an integer greater than 1.
- a processing unit configured to determine M time-frequency resource units
- a communication unit configured to receive M signals on the M time-frequency resource units
- the M signals are in one-to-one correspondence with the M time-frequency resource units, there are at least two time-frequency resource units in the M time-frequency resource units that partially overlap in the frequency domain, and the M time-frequency resource units Any two time-frequency resource units in the resource unit do not overlap in the time domain, and M is an integer greater than 1.
- processing unit 1401 and the communication unit 1402 may also perform other functions.
- processing unit 1401 and the communication unit 1402 may also perform other functions.
- the processing unit 1401 and the communication unit 1402 may also perform other functions.
- FIG. 15 shows an apparatus 1500 provided in this embodiment of the present application.
- the apparatus shown in FIG. 15 may be a hardware circuit implementation of the apparatus shown in FIG. 14 .
- the communication apparatus can be applied to the flow chart shown above to perform the functions of the terminal device or the network device in the above method embodiments. For convenience of explanation, FIG. 15 only shows the main components of the communication device.
- the communication apparatus 1500 includes a processor 1510 and a communication interface 1520 .
- the processor 1510 and the communication interface 1520 are coupled to each other.
- the communication interface 1520 can be a transceiver or an input-output interface.
- the communication apparatus 1500 may further include a memory 1530 for storing instructions executed by the processor 1510 or input data required by the processor 1510 to execute the instructions or data generated after the processor 1510 executes the instructions.
- the processor 1510 is used to implement the functions of the above-mentioned processing unit 801
- the communication interface 1520 is used to implement the functions of the above-mentioned communication unit 802 .
- the terminal device chip When the above communication device is a chip applied to a terminal device, the terminal device chip implements the functions of the terminal device in the above method embodiments.
- the terminal device chip receives information from other modules (such as a radio frequency module or an antenna) in the terminal device, and the information is sent by the network device to the terminal device; or, the terminal device chip sends information to other modules (such as a radio frequency module or an antenna) in the terminal device antenna) to send information, the information is sent by the terminal equipment to the network equipment.
- modules such as a radio frequency module or an antenna
- the network device chip When the above communication device is a chip applied to a network device, the network device chip implements the functions of the network device in the above method embodiments.
- the network device chip receives information from other modules (such as a radio frequency module or an antenna) in the network device, and the information is sent by the terminal device to the network device; or, the network device chip sends information to other modules in the network device (such as a radio frequency module or an antenna). antenna) to send information, the information is sent by the network equipment to the terminal equipment.
- modules such as a radio frequency module or an antenna
- the processor in the embodiments of the present application may be a central processing unit (Central Processing Unit, CPU), and may also be other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), application-specific integrated circuits (Application Specific Integrated Circuit, ASIC), Field Programmable Gate Array (Field Programmable Gate Array, FPGA) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof.
- a general-purpose processor may be a microprocessor or any conventional processor.
- the processor may be a random access memory (Random Access Memory, RAM), a flash memory, a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable memory
- RAM Random Access Memory
- ROM read-only memory
- PROM programmable read-only memory
- PROM Programmable ROM
- EEPROM Electrically erasable programmable read-only memory
- registers hard disk, removable hard disk, CD-ROM or any other form of storage medium known in the art middle.
- An exemplary storage medium is coupled to the processor, such that the processor can read information from, and write information to, the storage medium.
- the storage medium can also be an integral part of the processor.
- the processor and storage medium may reside in an ASIC.
- the ASIC may be located in a network device or in an end device.
- the processor and the storage medium may also exist in the network device or the terminal device as discrete components.
- the embodiments of the present application may be provided as a method, a system, or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, etc.) having computer-usable program code embodied therein.
- computer-usable storage media including, but not limited to, disk storage, optical storage, etc.
- These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions
- the apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.
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Abstract
Description
Claims (31)
- 一种信号发送方法,其特征在于,包括:生成M个信号;在M个时频资源单元上发送所述M个信号;其中,所述第一信号包括M个信号,所述M个信号与所述M个时频资源单元一一对应,所述M个时频资源单元中存在至少两个时频资源单元在频域上部分重叠,所述M个时频资源单元中的任意两个时频资源单元在时域上不重叠,M为大于1的整数。
- 根据权利要求1所述的方法,其特征在于,所述至少两个时频资源单元包括第一时频资源单元和第二时频资源单元;其中,所述第一时频资源单元的频域资源包括第一频域资源和第二频域资源,所述第一频域资源为所述第一时频资源单元与所述第二时频资源单元在频域上重叠的部分,所述第二频域资源为所述第一时频资源单元的频域资源中除了所述第一频域资源之外的部分。
- 根据权利要求2所述的方法,其特征在于,所述至少两个时频资源单元中还包括第三时频资源单元;其中,所述第二频域资源包括第三频域资源和第四频域资源,所述第三频域资源为所述第一时频资源单元与所述第三时频资源单元在频域上重叠的部分,所述第四频域资源为所述第二频域资源中除了所述第三频域资源之外的部分。
- 根据权利要求2或3所述的方法,其特征在于,所述M个信号包括第一信号和第二信号,所述第一信号对应于所述第一时频资源单元,所述第二信号对应于所述第二时频资源单元;其中,所述第一信号中映射在所述第一频域资源上的部分对应的比特序列,与所述第二信号中映射在所述第一频域资源上的部分对应的比特序列的取值相同且符号相反。
- 根据权利要求4所述的方法,其特征在于,所述M个信号还包括第一信号和第二信号,所述第三信号对应于所述第三时频资源单元;其中,所述第一信号中映射在所述第三频域资源上的部分对应的比特序列,与所述第三信号中映射在所述第三频域资源上的部分对应的比特序列的取值相同且符号相反。
- 根据权利要求1至5任一所述的方法,其特征在于,所述M个信号为定位参考信号;或,所述M个信号中映射在重叠的频域资源上的部分为相位跟踪参考信号,映射在除了重叠的频域资源之外的频域资源上的部分为定位参考信号。
- 根据权利要求1至6任一所述的方法,其特征在于,所述方法还包括:向网络设备发送能力信息,所述能力信息指示锁相环的分频能力。
- 一种信号接收方法,其特征在于,包括:确定M个时频资源单元;在所述M个时频资源单元上接收M个信号;其中,所述M个信号与所述M个时频资源单元一一对应,所述M个时频资源单元中存在至少两个时频资源单元在频域上部分重叠,所述M个时频资源单元中的任意两个时频资源单元在时域上不重叠,M为大于1的整数。
- 根据权利要求8所述的方法,其特征在于,所述M个信号包括至少两个信号,所 述至少两个信号对应于所述至少两个时频资源单元;其中,所述方法还包括:根据所述至少两个信号中映射在重叠的频域资源上的部分估计所述至少两个信号的相位差;根据所述至少两个信号的相位差对所述至少两个信号进行相位补偿。
- 根据权利要求8所述的方法,其特征在于,所述至少两个时频资源单元包括第一时频资源单元和第二时频资源单元;其中,所述第一时频资源单元的频域资源包括第一频域资源和第二频域资源,所述第一频域资源为所述第一时频资源单元与所述第二时频资源单元在频域上重叠的部分,所述第二频域资源为所述第一时频资源单元的频域资源中除了所述第一频域资源之外的部分。
- 根据权利要求10所述的方法,其特征在于,所述至少两个时频资源单元中还包括第三时频资源单元;其中,所述第二频域资源包括第三频域资源和第四频域资源,所述第三频域资源为所述第一时频资源单元与所述第三时频资源单元在频域上重叠的部分,所述第四频域资源为所述第二频域资源中除了所述第三频域资源之外的部分。
- 根据权利要求10或11所述的方法,其特征在于,所述M个信号包括第一信号和第二信号,所述第一信号对应于所述第一时频资源单元,所述第二信号对应于所述第二时频资源单元;其中,所述第一信号中映射在所述第一频域资源上的部分对应的比特序列,与所述第二信号中映射在所述第一频域资源上的部分对应的比特序列的取值相同且符号相反。
- 根据权利要求12所述的方法,其特征在于,所述M个信号还包括第一信号和第二信号,所述第三信号对应于所述第三时频资源单元;其中,所述第一信号中映射在所述第三频域资源上的部分对应的比特序列,与所述第三信号中映射在所述第三频域资源上的部分对应的比特序列的取值相同且符号相反。
- 根据权利要求8至13任一所述的方法,其特征在于,所述M个信号为定位参考信号;或,所述M个信号中映射在重叠的频域资源上的部分为相位跟踪参考信号,映射在除了重叠的频域资源之外的频域资源上的部分为定位参考信号。
- 一种通信装置,其特征在于,包括:处理单元,用于生成M个信号;通信单元,用于在M个时频资源单元上发送所述M个信号;其中,所述第一信号包括M个信号,所述M个信号与所述M个时频资源单元一一对应,所述M个时频资源单元中存在至少两个时频资源单元在频域上部分重叠,所述M个时频资源单元中的任意两个时频资源单元在时域上不重叠,M为大于1的整数。
- 根据权利要求15所述的装置,其特征在于,所述至少两个时频资源单元包括第一时频资源单元和第二时频资源单元;其中,所述第一时频资源单元的频域资源包括第一频域资源和第二频域资源,所述第一频域资源为所述第一时频资源单元与所述第二时频资源单元在频域上重叠的部分,所述第二频域资源为所述第一时频资源单元的频域资源中除了所述第一频域资源之外的部分。
- 根据权利要求16所述的装置,其特征在于,所述至少两个时频资源单元中还包括第三时频资源单元;其中,所述第二频域资源包括第三频域资源和第四频域资源,所述第三频域资源为所述第一时频资源单元与所述第三时频资源单元在频域上重叠的部分,所述第四频域资源为所述第二频域资源中除了所述第三频域资源之外的部分。
- 根据权利要求16或17所述的装置,其特征在于,所述M个信号包括第一信号和第二信号,所述第一信号对应于所述第一时频资源单元,所述第二信号对应于所述第二时频资源单元;其中,所述第一信号中映射在所述第一频域资源上的部分对应的比特序列,与所述第二信号中映射在所述第一频域资源上的部分对应的比特序列的取值相同且符号相反。
- 根据权利要求18所述的装置,其特征在于,所述M个信号还包括第一信号和第二信号,所述第三信号对应于所述第三时频资源单元;其中,所述第一信号中映射在所述第三频域资源上的部分对应的比特序列,与所述第三信号中映射在所述第三频域资源上的部分对应的比特序列的取值相同且符号相反。
- 根据权利要求15至19任一所述的装置,其特征在于,所述M个信号为定位参考信号;或,所述M个信号中映射在重叠的频域资源上的部分为相位跟踪参考信号,映射在除了重叠的频域资源之外的频域资源上的部分为定位参考信号。
- 根据权利要求15至20任一所述的装置,其特征在于,所述通信单元还用于:向网络设备发送能力信息,所述能力信息指示锁相环的分频能力。
- 一种通信装置,其特征在于,包括:处理单元,用于确定M个时频资源单元;通信单元,用于在所述M个时频资源单元上接收M个信号;其中,所述M个信号与所述M个时频资源单元一一对应,所述M个时频资源单元中存在至少两个时频资源单元在频域上部分重叠,所述M个时频资源单元中的任意两个时频资源单元在时域上不重叠,M为大于1的整数。
- 根据权利要求22所述的装置,其特征在于,所述M个信号包括至少两个信号,所述至少两个信号对应于所述至少两个时频资源单元;所述处理单元还用于:根据所述至少两个信号中映射在重叠的频域资源上的部分估计所述至少两个信号的相位差;根据所述至少两个信号的相位差对所述至少两个信号进行相位补偿。
- 根据权利要求23所述的装置,其特征在于,所述至少两个时频资源单元包括第一时频资源单元和第二时频资源单元;其中,所述第一时频资源单元的频域资源包括第一频域资源和第二频域资源,所述第一频域资源为所述第一时频资源单元与所述第二时频资源单元在频域上重叠的部分,所述第二频域资源为所述第一时频资源单元的频域资源中除了所述第一频域资源之外的部分。
- 根据权利要求24所述的装置,其特征在于,所述至少两个时频资源单元中还包括第三时频资源单元;其中,所述第二频域资源包括第三频域资源和第四频域资源,所述第三频域资源为所述第一时频资源单元与所述第三时频资源单元在频域上重叠的部分,所述第四频域资源为所述第二频域资源中除了所述第三频域资源之外的部分。
- 根据权利要求24或25所述的装置,其特征在于,所述M个信号包括第一信号和第二信号,所述第一信号对应于所述第一时频资源单元,所述第二信号对应于所述第二时 频资源单元;其中,所述第一信号中映射在所述第一频域资源上的部分对应的比特序列,与所述第二信号中映射在所述第一频域资源上的部分对应的比特序列的取值相同且符号相反。
- 根据权利要求26所述的装置,其特征在于,所述M个信号还包括第一信号和第二信号,所述第三信号对应于所述第三时频资源单元;其中,所述第一信号中映射在所述第三频域资源上的部分对应的比特序列,与所述第三信号中映射在所述第三频域资源上的部分对应的比特序列的取值相同且符号相反。
- 根据权利要求22至27任一所述的装置,其特征在于,所述M个信号为定位参考信号;或,所述M个信号中映射在重叠的频域资源上的部分为相位跟踪参考信号,映射在除了重叠的频域资源之外的频域资源上的部分为定位参考信号。
- 一种芯片,其特征在于,包括处理器,所述处理器与存储器耦合,用于执行所述存储器中存储的计算机程序或指令,当所述处理器执行所述计算机程序或指令时,使得所述处理器执行如权利要求1至14中任意一项所述的方法。
- 一种计算机可读存储介质,其特征在于,包括指令,当所述指令在计算机上运行时,使得所述计算机执行如权利要求1至14中任意一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机可读指令,当计算机读取并执行所述计算机可读指令,使得所述计算机执行如权利要求1至14中任一项所述的方法。
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US20200092032A1 (en) * | 2017-06-16 | 2020-03-19 | Huawei Technologies Co., Ltd. | Resource unit setting method, resource unit transmission method, and apparatus |
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Non-Patent Citations (2)
Title |
---|
QUALCOMM INCORPORATED: "SRS antenna switching for 1T4R and 2T4R", 3GPP DRAFT; R1-1802305 SRS ANTENNA SWITCHING, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Athens, Greece; 20180226 - 20180302, 17 February 2018 (2018-02-17), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051397833 * |
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