WO2020007295A1 - Procédé et dispositif de rapport et de réception de signaux de référence - Google Patents

Procédé et dispositif de rapport et de réception de signaux de référence Download PDF

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Publication number
WO2020007295A1
WO2020007295A1 PCT/CN2019/094398 CN2019094398W WO2020007295A1 WO 2020007295 A1 WO2020007295 A1 WO 2020007295A1 CN 2019094398 W CN2019094398 W CN 2019094398W WO 2020007295 A1 WO2020007295 A1 WO 2020007295A1
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Prior art keywords
reference signal
reported
reference signals
candidate beam
network
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PCT/CN2019/094398
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English (en)
Chinese (zh)
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左君
倪吉庆
韩双锋
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中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2020007295A1 publication Critical patent/WO2020007295A1/fr

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H04B17/327—Received signal code power [RSCP]
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and in particular, to a method and device for reporting and receiving reference signals.
  • the fifth-generation mobile communication technology has gradually matured, but spectrum resources have become increasingly scarce in related technologies.
  • high-frequency spectrum resources will be used more.
  • an analog beamforming technique is used to enable the terminal device and the network-side device to select the optimal beam for communication.
  • the high-frequency band is rich in spectrum resources, but its radio propagation resistance is weak, and there is a serious blocking phenomenon. Walls, trees, and people moving around can cause signal interruptions, making it difficult to achieve continuous coverage.
  • the terminal device judges that the beam currently communicating with the network-side device has poor communication link quality, it sends a beam recovery request to the network-side device, and at the same time, the terminal device reports other high-quality alternative beams to the network-side device. Avoid communication interruptions.
  • a terminal device sends a beam recovery request to a network-side device through a dedicated physical random access channel (Physical Random Access Channel (PRACH)) resource.
  • PRACH Physical Random Access Channel
  • PRACH resources are divided into multiple groups, and different resource groups, used preambles, and preambles correspond to reference signals in the network-side device
  • the network-side device may determine the corresponding beam information according to the PRACH resource and the preamble.
  • a terminal device can only send a beam recovery request on one PRACH resource group at a time, and only one reference signal can be reported each time. Therefore, when performing beam recovery on the network side device, it can only correspond to the reference signal reported by the terminal device. If the beam is restored, the success rate of restoration is relatively low; if it fails, the terminal equipment needs to report again, repeat the operation, waste time and reduce work efficiency.
  • the terminal device can only report one reference signal to the network-side device through PRACH, so that the success rate of beam recovery is low and the delay is large.
  • the present disclosure provides a method and a device for reporting and receiving a reference signal, which are used to solve the problems of low success rate and large delay of beam recovery using PRACH by a terminal device when communication is interrupted in the related art.
  • an embodiment of the present disclosure provides a method for reporting a reference signal.
  • the method includes:
  • the number of reporting reference signals received by the terminal device configured by the network-side device is the number of reporting reference signals received by the terminal device configured by the network-side device
  • the terminal device reports the reference signal in the at least one candidate beam reference signal set to the network-side device through a physical uplink control channel (Physical Uplink Control Channel, PUCCH) or a physical uplink shared channel (PUSCH).
  • a physical uplink control channel Physical Uplink Control Channel, PUCCH
  • PUSCH physical uplink shared channel
  • the terminal device receives the number of reported reference signals configured by the network-side device, and reports at least one candidate beam reference signal set to the network-side device through the PUCCH or PUSCH after determining the number of reference signals to be reported. Because the terminal device of the present disclosure can report the reference signals in the candidate beam reference signal set corresponding to the number of configured reference signals to the network-side device through PUCCH or PUSCH at one time, because the terminal reports multiple reference signals, the terminal The device and the network-side device perform beam recovery on the beams corresponding to multiple reference signals, which improves the success rate of beam recovery for normal communication and reduces delay.
  • the format of the reference signal in the candidate beam reference signal set reported by the terminal device includes a reference signal index value and a reference signal received power.
  • the received power value of the reference signals in the candidate beam reference signal set is represented by Xbit;
  • the terminal device indicates the received power value of the reference signal in the candidate beam reference signal set corresponding to the maximum received power by Xbit, and the remaining alternatives
  • the received power of the reference signals in the beam reference signal set is represented by Ybit;
  • X is a positive integer
  • Y is a positive integer less than X.
  • the reference signals in the candidate beam reference signal set are reported in the format in the standards in related technologies, which facilitates network side equipment to detect and identify, determine the beams corresponding to the received reference signals, and speed up work efficiency.
  • a reference signal received power (RSRP) of at least one reference signal in the reference signals in the candidate beam reference signal set reported by the terminal device is a first special state value.
  • the first special state value is set between the terminal device and the network-side device, so that when the terminal device sends a reference signal to the network-side device, the network-side device can determine the corresponding reference signal reported by the terminal device according to the first special state value.
  • the beams are the candidate beams, and communication is performed on the candidate beams. Do not use the beams with communication interruption before communication, which can improve the success rate of beam recovery for normal communication.
  • the terminal device reports the reference signals to the network side device through the PUCCH or PUSCH All of the reference signals in the candidate beam reference signal set, the bit fields other than the bit fields of the reference signals in the candidate beam reference signal set are reported as the second special state value.
  • the terminal device uses the second special status value to fill the remaining bit fields except for the reference signal bit field in the set of candidate signal reference signals for reporting, so that the terminal device can normally report the reference signal to the network-side device and make the network side
  • the device determines that the position filled with the second special status value is meaningless, and then detects the reference signal in the remaining candidate beam reference signal set, and communicates on multiple candidate beams , Do not use the beam with which the communication was interrupted before to communicate, which can improve the success rate of beam recovery for normal communication.
  • the terminal device reports the reference signals to the network side device through the PUCCH or PUSCH
  • the layer one-reference signal received power (L1-RSRP) report uses the existing reception of the reference signal The power is mapped to the corresponding bits.
  • the network-side device determines multiple corresponding beams according to the reference signals and communicates on the multiple beams, thereby improving the success rate of beam recovery.
  • the terminal device uses the second special status value to fill the remaining bit fields except for the reference signal bit field in the report set of candidate beam reference signals, so that the terminal device can normally report the reference signal to the network-side device, and on the network side
  • the device receives the reference signal reported by the terminal device, it can determine that the position filled with the second special status value is meaningless, and then detect the reference signal in the remaining candidate beam reference signal set, and perform it on multiple candidate beams. Communication can also be performed on the previously used beams, which can improve the success rate of beam recovery for normal communication.
  • an embodiment of the present disclosure provides another method for reporting a reference signal.
  • the method includes:
  • the network-side device configures the number of reported reference signals for the terminal device
  • the network-side device receives the reference signal in the candidate beam reference signal set reported by the terminal device through the PUCCH or PUSCH.
  • the network-side device configures the number of reference signal reports for the terminal device, so that the terminal device can report the corresponding number of reference signals according to the received reference signal quality.
  • the reference signals in the selected beam reference signal set enable the network-side device to find the corresponding candidate beam according to the reference signal in the candidate beam reference signal set reported by the terminal device, and then switch to the alternative beam for communication. As a result, communication can continue on multiple candidate beams, which improves the success rate of beam recovery and reduces delay.
  • the format of the reference signal in the candidate beam reference signal set received by the network-side device includes a reference signal index value and a reference signal received power.
  • the received power value of the reference signals in the received candidate beam reference signal set is represented by Xbit;
  • the received power value of the reference signals in the candidate beam reference signal set corresponding to the received maximum received power is represented by Xbit, and the remaining candidate beams are referenced.
  • the received power of the reference signal in the signal set is represented by Y bit;
  • X is a positive integer
  • Y is a positive integer less than X.
  • the network-side device receives the reference signal in the candidate beam reference signal set reported according to the standard format in the related technology, which is convenient for the network-side device to detect and identify the reference signal, reduce working time, and improve working efficiency.
  • the received power value of at least one reference signal in the reference signals in the candidate beam reference signal set received by the network-side device is the first special state value.
  • the network-side device may determine, according to the first special status value, the beam corresponding to the reference signal reported by the terminal device as an alternative beam, and continue communication on the alternative beam, thereby improving the success rate of the beam recovery for normal communication.
  • the network side device receives the reference signals reported by the terminal device through the PUCCH or PUSCH All of the reference signals in the candidate beam reference signal set, the bit fields other than the bit fields of the reference signals in the candidate beam reference signal set are reported as the second special state value.
  • the network side device can normally receive the reference signal sent by the terminal device, and determine that the bit field occupied by the second special state value is meaningless according to the second special state value, and it is determined that the actual reference signals are all candidate beam reference signals.
  • the reference signals in the set are used to find corresponding candidate beams according to the actual reference signals, and communication is continued on the remaining multiple candidate beams to improve the success rate of beam recovery.
  • the L1-RSRP report uses the existing way of mapping the received power of the reference signal into corresponding bits.
  • the above method ensures that the network-side equipment can normally receive the reference signals reported by the terminal equipment and detect the received reference signals.
  • an embodiment of the present disclosure provides a device for reporting a reference signal.
  • the device includes a processor and a transceiver:
  • the processor is configured to: receive the number of reported reference signals configured by the network-side device; and report the reference signals in the at least one candidate beam reference signal set to the network-side device through the PUCCH or PUSCH.
  • an embodiment of the present disclosure provides a device for reporting a reference signal.
  • the device includes a processor and a transceiver:
  • the processor is configured to: configure the number of reference signal reports for the terminal device; and receive the reference signals in the candidate beam reference signal set reported by the terminal device through the PUCCH or PUSCH.
  • an embodiment of the present disclosure provides a device for reporting a reference signal, and the device includes:
  • a first receiving module configured to receive the number of reporting reference signals configured by a network-side device
  • a reporting module configured to report a reference signal in the at least one candidate beam reference signal set to a network-side device through a PUCCH or a PUSCH.
  • an embodiment of the present disclosure provides a device for reporting a reference signal.
  • the device includes:
  • a configuration module configured to configure the number of reported reference signals for the terminal device
  • the second receiving module is configured to receive a reference signal in the candidate beam reference signal set reported by the terminal device through a PUCCH or a PUSCH.
  • an embodiment of the present disclosure provides a device for reporting and receiving a reference signal.
  • the device includes: at least one processing unit and at least one storage unit, wherein the storage unit stores program code, and when the program code is When the processing unit executes, the processing unit is caused to execute the steps of any one of the methods when the terminal device reports the reference signal, and the steps of any one of the methods when the network side device receives the terminal device to report the reference signal.
  • the present application further provides a computer-readable storage medium, where the computer-readable storage medium includes program code, and when the computer-readable storage medium runs on the computer, the computer executes the methods described in the foregoing aspects.
  • the present application also provides a computer program product containing instructions that, when run on a computer, causes the computer to execute the methods described in the above aspects.
  • FIG. 1 is a structural diagram of a system for reporting and receiving a reference signal according to an embodiment of the present disclosure
  • FIG. 2 is a first structural diagram of a device for reporting a reference signal according to an embodiment of the present disclosure
  • FIG. 3 is a second structural diagram of a device for reporting a reference signal according to an embodiment of the present disclosure
  • FIG. 4 is a third structural diagram of a device for reporting a reference signal according to an embodiment of the present disclosure
  • FIG. 5 is a first structural diagram of a device for receiving a reference signal according to an embodiment of the present disclosure
  • FIG. 6 is a second structural diagram of a device for receiving a reference signal according to an embodiment of the present disclosure
  • FIG. 7 is a third structural diagram of a device for receiving a reference signal according to an embodiment of the present disclosure.
  • FIG. 8 is a flowchart of a method for reporting a reference signal according to an embodiment of the present disclosure
  • FIG. 9 is a flowchart of a method for receiving a reference signal according to an embodiment of the present disclosure.
  • the fifth-generation mobile communication technology is gradually mature.
  • resource-rich high-frequency spectrum resources are used more, but the radio propagation resistance of the high-frequency spectrum is weak and it is difficult to achieve continuous coverage.
  • the terminal device determines that the beam quality for communication with the network-side device is poor, the terminal device needs to report a reference signal to the network-side device.
  • the network-side device receives the reference signal, it determines the corresponding beam according to the quality of the reference signal, and Beam switching is performed to enable normal communication between the terminal device and the network-side device, and avoid communication interruption.
  • a terminal device can only send a beam recovery request on one PRACH resource group at a time, and only one reference signal can be reported at a time.
  • the network side device and the terminal device perform the request through the beam corresponding to the reference signal.
  • the terminal device needs to send a beam recovery request to the network-side device again. Because only one reference signal can be reported at a time, the success rate of communication between the recovery network side device and the terminal device through the beam pair is relatively low, and multiple transmissions are required, with a large delay and low work efficiency.
  • the embodiment of the present disclosure provides a scheme for reporting a reference signal in a set of candidate beam reference signals for beam recovery through PUCCH or PUSCH. Since a terminal device can simultaneously report to a network-side device through PUCCH or PUSCH in the embodiment of the present disclosure Multiple reference signals. Network-side equipment and terminal equipment can communicate on the beams corresponding to multiple reference signals. The number of beams used for communication is large, and the success rate of normal communication is large. Multiple beams can be sent at one time, reducing Hourly delay, improve work efficiency.
  • the terminal device is a device with a wireless communication function, which can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; it can also be deployed on the water (such as a ship, etc.); it can also be deployed in the air ( Such as airplanes, balloons, and satellites).
  • the terminal device may be a mobile phone, a tablet, a computer with a wireless transmitting and receiving function, the terminal device of virtual reality (VR), the terminal device of augmented reality (AR) 1.
  • the wireless terminal device in industrial control, the wireless terminal device in self driving, the wireless terminal device in remote medical, and smart grid.
  • the network-side device is a device that provides wireless communication functions for the terminal device, including, but not limited to, gNB in 5G, a radio network controller (RNC), and a node B (node B, NB). ), Base station controller (BSC), base transceiver station (BTS), home base station (for example, home nodeB, or home nodeB, HNB), baseband unit (BBU) , Transmission point (TRP), transmission point (TP), mobile switching center, etc.
  • BSC Base station controller
  • BTS base transceiver station
  • BBU baseband unit
  • TRP Transmission point
  • TP transmission point
  • the base station in this application may also be a device that provides a wireless communication function for the terminal device in other communication systems that may appear in the future.
  • an embodiment of the present disclosure provides a schematic structural diagram of a system for reporting and receiving a reference signal.
  • the system specifically includes:
  • the terminal device 10 is configured to receive the number of reported reference signals configured by the network-side device; and report the reference signals in the at least one candidate beam reference signal set to the network-side device through the PUCCH or PUSCH.
  • the network-side device 20 is configured to configure the number of reference signals reported for the terminal device; and receive the reference signals in the candidate beam reference signal set reported by the terminal device through the PUCCH or PUSCH.
  • the terminal device receives the number of reported reference signals configured by the network-side device, and reports at least one candidate beam to the network-side device through the PUCCH or PUSCH after determining the number of reference signals to be reported.
  • Reference signals in the reference signal set since the terminal device in this disclosure can report the reference signals in the candidate beam reference signal set corresponding to the number of configured reference signals to the network-side device at one time through PUCCH or PUSCH, due to the large number of reports.
  • the terminal device and the network-side device perform beam recovery on the beams corresponding to multiple reference signals, which improves the success rate of normal communication for beam recovery. At the same time, due to multiple beam recovery for communication, the delay is reduced. increase work productivity.
  • the network-side device when the communication between the network-side device and the terminal device is interrupted, the network-side device sends multiple reference signals to the terminal device, and configures the number of reference signals to be reported for the terminal device according to the quality of the terminal device. It is assumed that the network-side device sends K reference signals to the terminal device, and configures the terminal device to report N reference signals.
  • the corresponding terminal device After receiving the K reference signals sent by the network-side device, the corresponding terminal device detects the received power values of the K reference signals sent by the network-side device, and reports the N reference signals to the network-side device through PUCCH or PUSCH. .
  • the K reference signals include both the reference signals in the K1 candidate beam reference signal set and the K2 reference signals in the previously used reference signal set for L1-RSRP reporting. .
  • the L1-RSRP report refers to the content of the channel state information (Channel State Information, CSI) configured by the network-side device for the terminal device, including: Reference Signal Resource Indication-Reference Signal Received Power (CSI-RS Resource Indicator-Reference Signal) Receiving Power (CSI-RSRP) or None (null); used to refer to the reference signal index and corresponding received power reported by the terminal device to the network-side device when there is no communication interruption.
  • CSI Channel State Information
  • the priority of the reference signal in the candidate beam reference signal set is higher than the priority of the reference signal in the reference signal set used for L1-RSRP reporting. . That is, when the number of reference signals in the candidate beam reference signal set meets the reported number configured by the network-side device, the terminal device reports all the reference signals in the candidate beam reference signal set; When the reference signal cannot satisfy the reported number configured by the network-side device, the reference signal reported by the terminal device to the network-side device is a combination of the reference signal in the candidate beam reference signal and the special status bit field (called the second special status value). Or the combination of the reference signal in the candidate beam reference signal set and the reference signal in the reference signal set used for L1-RSRP reporting.
  • the reference signal format in the reported candidate beam reference signal set is the same as the format of the L1-RSRP reported in the standard in the related technology.
  • the terminal device When the terminal device reports the reference signal in the candidate beam reference signal set to the network-side device, it mainly includes two parts: a reference signal index and a reference signal received power.
  • the format of the reported reference signal is related to the number of reports, and specifically includes the following methods:
  • Method 1 If the number of reported reference signals configured by the terminal device received by the network device is equal to 1, when the terminal device reports the reference signals in the candidate beam reference signal set, the received power in the reference signals The value is reported in Xbit, where X is a positive integer.
  • the number of reported reference signals received by the terminal device configured by the network-side device is one.
  • the received power value corresponding to the reference signal in an alternative beam reference signal set reported by the terminal device is converted into an X-bit format representation.
  • the format of the reference signal in the candidate beam reference signal set received by the network-side device from the terminal device is the reference signal index and the reference signal received power, and the reference signal received power corresponds to the Xbit format.
  • Method 2 If the number of reported reference signals configured by the terminal device received by the terminal device is greater than 1, the terminal device reports the reference signals in a differential manner when reporting the reference signals in the candidate beam reference signal set. The received power value of the reference signal with the largest received power is reported in the X-bit manner, and the received power values of the remaining reference signals are reported in the Y-bit manner, where Y is a positive integer less than X.
  • the reference signals in the candidate beam reference signal set are reported in a differential manner.
  • the received power value corresponding to the reference signal with the highest power is converted to X-bit format, and the received power value of the other reference signal is converted to Y-bit format.
  • the format of the reference signal in the candidate beam reference signal set received by the network-side device from the terminal device is the reference signal index and the reference signal received power, and the received power corresponding to the received reference signal is 7bit and 4bit respectively. form.
  • the reference signals in the candidate beam reference signal set are reported in the format in the standards in related technologies, which facilitates network side equipment to detect and identify, determine the beam corresponding to the received reference signal, and speed up work efficiency.
  • a criterion for identifying a reference signal in a set of candidate beam reference signals is set between the terminal device and the network-side device, that is, the RSRP value of the reference signal in the set of candidate beam reference signals is set to a first special state value.
  • the network-side device detects that the RSRP value in the reference signal reported by the terminal device is the first special state value, it determines that the received reference signal is a reference signal in a candidate beam reference signal set, at this time
  • the network-side device switches the beam to the candidate beam corresponding to the reference signal, and communicates with the terminal device on the candidate beam.
  • the first special status value is set in advance by the terminal device and the network-side device, and the first special status value may be set to an all "0" state or an all "1" state, which is not limited herein. Is only an example, and the first special state value is also applicable to the following embodiments.
  • (T + X) bit can be used to report the reference signal, where T bit represents the reference signal index and X bit represents the received power value of the reference signal. If the content reported by the terminal device is ⁇ X 1 X 2 ... X T 0 0... 0 ⁇ , after the network-side device receives the content reported by the terminal device, it detects the content reported by the terminal device and determines a reference signal based on the detection result.
  • the received power is all "0" state, at this time, the RSRP value of the reference signal is determined to be the first special state value, and it is determined that the terminal device reports the reference signal in the candidate beam reference signal set, and then the network
  • the side device communicates with the terminal device on the candidate beam;
  • the terminal device If the received power of the reference signal received by the terminal device is not in an all "0" state, it is determined that the terminal device reports the reference signal in the reference signal set used for L1-RSRP reporting.
  • Embodiment 2 The network side device configures and reports N reference signals (N> 1) for the terminal device, and the reference signal to be reported in the K1 candidate beam reference signal set sent by the network side device is larger than the configured reporting reference signal. Number (K1> N), at this time, all N reference signals reported by the terminal device are reference signals in the candidate beam reference signal set.
  • the terminal device reports the reference signals in the multiple candidate beam reference signal sets to the network-side device. At this time, if the network device detects the RSRP value of the reference signals in at least one candidate beam reference signal set When it is the first special status value, it is determined that all the multiple reference signals reported by the terminal device are reference signals in a set of candidate beam reference signals.
  • the two reference signals are reported above, and the first special state value is all “0” state as an example.
  • the reference signal when the reference signal is reported according to the format in the standard in the related technology, the reference signal should be reported in a differential manner. It is assumed that the reference signal is reported in the format of (T + X) bit and (T + Y) bit, where Tbit Indicates the reference signal index, X bit indicates the reference signal received power value corresponding to the reference signal with the maximum received power at the time of reporting, and Y bit indicates the reference signal received power value corresponding to the remaining reference signals.
  • the network-side device determines that the reference signal received power value in at least one of the two reference signals reported by the terminal device is all “0” states, determining that the terminal device reports the candidate beam reference Reference signals in the signal set; otherwise, the reference signals in the L1-RSRP reference signal set are reported.
  • the content reported by the terminal device may be in the following format:
  • the network-side device When the network-side device detects that the reference signal reported by the terminal device is any of the above three types, it may determine that the reference signal reported by the terminal device is a reference signal in a set of candidate beam reference signals. At this time, The network-side device and the terminal device continue to communicate on the candidate beam.
  • Y 1 ... Y X and “Y 1 ... Y Y ” are any combination of “0” and “1” bits, and are not limited herein.
  • the first special status value is set between the terminal device and the network-side device, so that when the terminal device sends a reference signal to the network-side device, the network-side device may determine the reference signal location reported by the terminal device according to the first special status value.
  • the corresponding beam is an alternative beam, and communication is performed on the alternative beam. Communication is not performed using a beam that previously had a communication interruption, which improves the success rate of beam recovery and normal communication.
  • Embodiment 3 The network side device configures and reports N reference signals (N> 1) for the terminal device, but the reference signal to be reported in the K1 candidate beam reference signal set sent by the network side device is smaller than the report configured by the network side device The number of reference signals (K1 ⁇ N). At this time, the N reference signals reported by the terminal device include reference signals in the K1 candidate beam reference signal set, and the remaining bit fields are second special status values.
  • the terminal device reports the reference to the network side device through PUCCH or PUSCH All the signals are reference signals in the candidate beam reference signal set, and the bit fields other than the bit fields of the reference signals in the candidate beam reference signal set are reported as the second special state value.
  • a standard for confirming that there is no corresponding reference signal is set between the terminal device and the network-side device, that is, when the reported reference signal has a bit field that is not filled by the reference signal, but is not filled.
  • the bit field cannot be empty.
  • a second special state value is set to fill the bit field not occupied by the reference signal. It has no meaning and does not have a corresponding reference signal; it is only convenient for the network-side equipment to normally receive the occupied signal. Reference signal over the bit field.
  • the second special state value is set in advance by the terminal device and the network-side device, and the second special state value may be set to an all "0" state or an all "1" state, which is not limited herein. , Just for illustration.
  • the network side device is configured to report three reference signals to the terminal device, but the terminal device can only report the reference signals in the two candidate beam reference signal sets, and the second special status value occupies the remaining bit field of the reference signal as an example.
  • the first special state value is set to all “0” states
  • the second special state value is set to all “1” states.
  • the reference signal when the reference signal is reported according to the format in the standard in the related technology, the reference signal should be reported in a differential manner. It is assumed that the reference signal is reported in the format of (T + X) bit and (T + Y) bit, where Tbit Indicates the reference signal index, X bit indicates the reference signal received power value corresponding to the reference signal with the maximum received power at the time of reporting, and Y bit indicates the reference signal received power value corresponding to the remaining reference signals.
  • the network-side device determines that the received power value of the reference signal in at least one of the three reference signals reported by the terminal device is all “0”, and that the received reference signal has a second special status value In the occupied bit field, it is determined that all the reference signals reported by the terminal device are reference signals in the candidate beam reference signal set, otherwise, the reference signals in the L1-RSRP reference signal set are reported.
  • the network side device configures the terminal device to report three reference signals. At this time, the reported reference signal cannot be empty.
  • the terminal device reports the reference signal
  • the reference signal in the set of candidate beam reference signals is reported. Because there are only two reference signals in the candidate beam reference signal set in the terminal device, the second special state value is used to occupy the remaining bit field of the reference signal. Since the reported reference signals are all candidate beam reference signals The reference signals in the set, therefore, when the network-side device detects that the reported first and second special status values exist in the reported candidate reference signals, it determines that the reference signals are all the reference signals in the candidate beam reference signal set.
  • the content reported by the terminal device may be in the following format:
  • the three reference signals reported by the terminal device include a first special status value and a second special status value.
  • the network-side device determines that the terminal device reports the reference signals in the two candidate beam reference signal sets.
  • the three reference signals reported by the terminal device include a first special status value and a second special status value.
  • the network-side device determines that the terminal device reports the reference signals in the two candidate beam reference signal sets.
  • the three reference signals reported by the terminal device have two first special status values and one second special status value.
  • the network-side device determines that the terminal device reports the reference signals in the two candidate beam reference signal sets. .
  • the network side device detects that the bit field of a reference signal is occupied by the second special state value, and then determines that two of the three received reference signals are reference signals and that the first special state value exists Therefore, the network-side device determines that the two reference signals reported by the terminal device are reference signals in the candidate beam reference signal set.
  • the network-side device When the network-side device detects that the terminal device reports any of the three types of content, it may determine that the terminal device reports the reference signal in the candidate beam reference signal set.
  • Y 1 ... Y X and “Y 1 ... Y Y ” are any combination of “0” and “1” bits, and are not limited herein.
  • the terminal device uses the second special state value to fill the remaining bit fields except for the reference signal bit field in the set of candidate signal reference signals for reporting, so that the terminal device can normally report the reference signal to the network-side device and After the side device receives the reference signal reported by the terminal device, it can determine that the position filled with the second special status value is meaningless, and then detect the reference signal in the remaining candidate beam reference signal set, and place it on multiple candidate beams. Communicating without using a beam that previously had a communication interruption to communicate can improve the success rate of beam communication for normal communications.
  • Embodiment 4 The network side device configures and reports N reference signals (N> 1) for the terminal device, but the number of reference signals to be reported in the set of candidate beam reference signals sent by the network side device is K1, which is less than the configured reporting reference signal. Number (K1 ⁇ N), at this time, the N reference signals reported by the terminal device include reference signals in the K1 candidate beam reference signal set, and N-K1 are used in the reference signal set reported by L1-RSRP. Reference signal.
  • the L1-RSRP report uses the existing way of mapping the received power value of the reference signal into corresponding bits.
  • the terminal device may send a part of the backup signal when reporting the reference signal.
  • Select the reference signals in the beam reference signal set another part sends the reference signals in the reference signal set used for L1-RSRP reporting, and when sending the reference signals in the L1-RSRP reference signal set, it is used for L1-RSRP reporting.
  • the network side device configuration reports three reference signals, two of which are reference signals in the candidate beam reference signal set, and the first special state value is an all-zero state example.
  • the reference signal when reporting the reference signal according to the format in the standard in the related technology, the reference signal should be reported in a differential manner. It is assumed that the reference signal is reported in the format of (T + X) bit and (T + Y) bit, where Tbit Indicates the reference signal parameter index, X bit indicates the reference signal received power value corresponding to the reference signal with the maximum received power at the time of reporting, and Y bit indicates the reference signal received power value corresponding to the remaining reference signals.
  • the received power of the reference signals in the two candidate beam reference signal sets reported at this time is the first special status value, and the remaining ones used for L1-RSRP reporting The manner in which the received power values of the reference signals in the reference signal set are mapped to corresponding bits.
  • the network side device configures the terminal device to report three reference signals. At this time, the reported reference signal cannot be empty.
  • the terminal device reports the reference signal
  • the reference signal in the set of candidate beam reference signals is reported. Because there are only two reference signals in the candidate beam reference signal set in the terminal device, the L1-RSRP reporting format is used to report the reference signal corresponding to the bit field of the remaining reference signal.
  • the bit field corresponding to the received power of the reference signal reported by L1-RSRP adopts the method of “0” and “1” bits converted according to the received power value of the reference signal.
  • the RSRP values of the reference signals in all the candidate beam reference signal sets are represented by the first special status value to prevent the reference signals in the candidate beam reference signal set from being reported and the reference used for L1-RSRP reporting.
  • the reference signals in the signal set report confusion.
  • the content reported by the terminal device has the following format:
  • the network-side device may optionally report the reference signals in the two candidate beam reference signal sets, and the RSRP value of the reference signals in the candidate beam reference signal set is mostly the first special status value.
  • the RSRP value reported by L1-RSRP is the "0" "1" bit corresponding to the received power;
  • the network-side device when the network-side device receives the reference signal in the above format, it does not detect the second special status value, but detects the RSRP value reported by L1-RSRP. At this time, it is determined that the reference signals corresponding to the two first special status values are alternatives. For the reference signals in the beam reference signal set, the remaining one is reported by L1-RSRP.
  • the network-side device receives the three reference signals reported by the terminal device, detects the reference signal received power among the three reference signals, and determines that two of them are the first special state value, indicating that there are reference signals in the candidate beam reference signal set. Communicating with a terminal device after determining a corresponding candidate beam according to a reference signal in the candidate beam reference signal set;
  • the network-side device determines that the bit of the reference signal received power of another reference signal is mapped to corresponding bits according to the reference signal received power, and then determines it as a reference signal in the reference signal set used for L1-RSRP reporting, and The corresponding L1-RSRP is determined according to the mapping relationship between the reference signal received power and the bits.
  • the terminal device uses the second special state value to fill the remaining bit fields except for the reference signal bit field in the set of candidate signal reference signals for reporting, so that the terminal device can normally report the reference signal to the network-side device and After the side device receives the reference signal reported by the terminal device, it can determine that the position filled with the second special status value is meaningless, and then detect the reference signal in the remaining candidate beam reference signal set, and place it on multiple candidate beams. Communication can improve the success rate of beam communication for normal communication.
  • an embodiment of the present disclosure provides a structural diagram of a device for reporting a reference signal.
  • the device includes a processor 200 and a transceiver 201.
  • the processor 200 is configured to: receive the number of reported reference signals configured by the network-side device; and report the reference signals in the at least one candidate beam reference signal set to the network-side device through the PUCCH or PUSCH.
  • the format of the reference signal in the candidate beam reference signal set reported by the processor 200 by the processor 200 includes a reference signal index value and a reference signal received power.
  • the received power value of the reference signals in the candidate beam reference signal set is represented by Xbit;
  • the terminal device determines the received power value of the reference signal in the candidate beam reference signal set corresponding to the maximum received power by Xbit indicates that the received power of the reference signals in the remaining candidate beam reference signal sets is represented by Ybit;
  • X is a positive integer
  • Y is a positive integer less than X.
  • the received power value of at least one reference signal in the reference signals in the candidate beam reference signal set reported by the processor 200 is a first special state value.
  • the processor 200 reports to the network side device through PUCCH or PUSCH All the reference signals are reference signals in the candidate beam reference signal set, and the bit fields other than the bit fields of the reference signals in the candidate beam reference signal set are reported as the second special state value.
  • the processor 200 reports to the network side device through PUCCH or PUSCH
  • the reference signal is a combination of the reference signal in the candidate beam reference signal set and the L1-RSRP report, and the L1-RSRP report uses the existing way of mapping the received power value of the reference signal into corresponding bits.
  • an embodiment of the present disclosure provides a structural diagram of a device for reporting a reference signal, which specifically includes:
  • a first receiving module 300 configured to receive the number of reporting reference signals configured by a network-side device
  • a reporting module 301 is configured to report a reference signal in the at least one candidate beam reference signal set to a network-side device through a PUCCH or a PUSCH.
  • the format of the reference signal in the candidate beam reference signal set reported by the reporting module 301 includes a reference signal index value and a reference signal received power.
  • the received power value of the reference signals in the candidate beam reference signal set is represented by Xbit;
  • the terminal device receives the received power value of the reference signal in the candidate beam reference signal set corresponding to the maximum received power by Xbit indicates that the received power of the reference signals in the remaining candidate beam reference signal sets is represented by Ybit;
  • X is a positive integer
  • Y is a positive integer less than X.
  • the received power value of at least one reference signal in the reference signals in the candidate beam reference signal set reported by the reporting module 301 is a first special state value.
  • the reporting module 301 is configured to report the number of reference signals in the set of candidate beam reference signals to be reported to be less than the number of reporting reference signals configured on the network side, and to the network side device through PUCCH or PUSCH
  • the reported reference signals are all reference signals in the candidate beam reference signal set, and the bit fields other than the bit fields of the reference signals in the candidate beam reference signal set are reported as the second special state value.
  • the reporting module 301 is configured to report the number of reference signals in the set of candidate beam reference signals to be reported to be less than the number of reporting reference signals configured on the network side, and to the network side device through PUCCH or PUSCH
  • the reported reference signal is a combination of the reference signal in the candidate beam reference signal set and the L1-RSRP report, and the L1-RSRP report uses the existing way of mapping the received power value of the reference signal into corresponding bits.
  • an embodiment of the present disclosure provides a structural diagram of a device for reporting a reference signal.
  • the device includes: at least one processing unit 400 and at least one storage unit 401.
  • the storage unit 401 stores program code.
  • the processing unit 400 is caused to execute any step of a scheme in which a terminal device reports a reference signal.
  • an embodiment of the present disclosure provides a structural diagram of a device for receiving a reference signal.
  • the device includes a processor 500 and a transceiver 501.
  • the processor 500 is configured to: configure the number of reference signal reports for the terminal device; and receive the reference signals in the candidate beam reference signal set reported by the terminal device through the PUCCH or PUSCH.
  • the format of the reference signal in the candidate beam reference signal set received by the processor 500 includes a reference signal index value and a reference signal received power.
  • the received power value of the reference signals in the received candidate beam reference signal set is represented by Xbit;
  • the received power value of the reference signals in the candidate beam reference signal set corresponding to the received maximum received power is represented by Xbit, and the rest The received power of the reference signals in the candidate beam reference signal set is represented by Ybit;
  • X is a positive integer
  • Y is a positive integer less than X.
  • the received power value of at least one reference signal in the reference signals in the candidate beam reference signal set received by the processor 500 is a first special state value.
  • the processor 500 receives the reference reported by the terminal device through PUCCH or PUSCH All the signals are reference signals in the candidate beam reference signal set, and the bit fields other than the bit fields of the reference signals in the candidate beam reference signal set are reported as the second special state value.
  • the processor 500 receives the reference reported by the terminal device through PUCCH or PUSCH
  • the signal is a combination of the reference signal in the candidate beam reference signal set and the L1-RSRP report, and the L1-RSRP report uses the existing way of mapping the received power value of the reference signal into corresponding bits.
  • an embodiment of the present disclosure provides a structural diagram of a device for receiving a reference signal.
  • the device includes:
  • a configuration module 600 configured to configure the number of reported reference signals for the terminal device
  • a second receiving module 601 is configured to receive a reference signal in a candidate beam reference signal set reported by the terminal device through a PUCCH or a PUSCH.
  • the format of the reference signal in the candidate beam reference signal set received by the second receiving module 601 includes a reference signal index value and a reference signal received power.
  • the received power value of the reference signals in the received candidate beam reference signal set is represented by Xbit;
  • the received power value of the reference signals in the candidate beam reference signal set corresponding to the received maximum received power is represented by Xbit ,
  • the received power of the reference signals in the remaining candidate beam reference signal sets is represented by Y bit;
  • X is a positive integer
  • Y is a positive integer less than X.
  • the received power value of at least one reference signal in the reference signals in the candidate beam reference signal set received by the second receiving module 601 is a first special state value.
  • the second receiving module 601 receives the terminal device report through PUCCH or PUSCH All of the reference signals in the candidate beam reference signal set are reference signals in the candidate beam reference signal set, and the bit field other than the bit field of the reference signal in the candidate beam reference signal set is reported as a second special state value.
  • the second receiving module 601 receives the terminal device report through PUCCH or PUSCH
  • the reference signal is the combination of the reference signal in the candidate beam reference signal set and the L1-RSRP report, and the L1-RSRP report uses the existing way of mapping the received power value of the reference signal into corresponding bits.
  • an embodiment of the present disclosure provides a structural diagram of a device for receiving a reference signal.
  • the device includes: at least one processing unit 700 and at least one storage unit 701, where the storage unit 701 stores program code
  • the processing unit 700 is caused to execute any step of a scheme in which a network-side device receives a reference signal.
  • aspects of reporting a reference signal provided by the embodiments of the present disclosure may also be implemented in the form of a program product, which includes program code.
  • program code When the program code is run on a computer device, the program code is used for A computer device is caused to perform steps in a method of scheduling management according to various exemplary embodiments of the present disclosure described in this specification.
  • the program product may use any combination of one or more readable media.
  • the readable medium may be a readable signal medium or a readable storage medium.
  • the readable storage medium may be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof.
  • readable storage media include: electrical connection with one or more wires, portable disk, hard disk, random access memory (RAM), read-only memory (Read -Only Memory (ROM), erasable programmable read-only memory (EPROM (Erasable Programmable ROM) or flash memory), optical fiber, compact disc read-only memory (Compact Disc-Read-Only Memory (CD-ROM), optical storage devices , Magnetic storage devices, or any suitable combination of the foregoing.
  • RAM random access memory
  • ROM read-only memory
  • EPROM Erasable Programmable ROM
  • CD-ROM Compact Disc-Read-Only Memory
  • magnetic storage devices or any suitable combination of the foregoing.
  • the program product for data forwarding control may adopt a portable compact disk read-only memory (CD-ROM) and include a program code, and may run on a server device.
  • CD-ROM portable compact disk read-only memory
  • the program product of the present disclosure is not limited thereto.
  • the readable storage medium may be any tangible medium containing or storing a program, and the program may be used for information transmission, an apparatus, or a device or in combination with it.
  • a readable signal medium may include a data signal that is carried in baseband or propagated as part of a carrier wave, and which carries readable program code. Such a propagated data signal may take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing.
  • the readable signal medium may also be any readable medium other than a readable storage medium, and the readable medium may send, propagate, or transmit a program for use by or in combination with a periodic network motion system, device, or device.
  • the program code contained on the readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wired, optical cable, radio frequency (RF), or any suitable combination of the foregoing.
  • any appropriate medium including but not limited to wireless, wired, optical cable, radio frequency (RF), or any suitable combination of the foregoing.
  • the program code for performing the operations of the present disclosure may be written in any combination of one or more programming languages.
  • the programming languages include object-oriented programming languages such as Java, C ++, etc., and also include conventional procedural programming. Language—such as "C” or a similar programming language.
  • the program code can be executed entirely on the user computing device, partly on the user device, as an independent software package, partly on the user computing device, partly on the remote computing device, or entirely on the remote computing device or server On.
  • the remote computing device may be connected to the user computing device through any kind of network (including a local area network (LAN) or a wide area network (WAN)), or may be connected to an external Computing equipment.
  • LAN local area network
  • WAN wide area network
  • a method for reporting a reference signal further provides a computing device-readable storage medium, that is, the content is not lost after a power failure.
  • a software program is stored in the storage medium, including program code. When the program code is run on a computing device, the software program can be implemented by one or more processors to report any one of the above embodiments of the present disclosure. And the scheme when receiving the reference signal.
  • an embodiment of the present disclosure also provides a method for reporting a reference signal, because the device corresponds to a method corresponding to a device for reporting a reference signal in an embodiment of the present disclosure, and the principle of the method to solve the problem is the same as the device Similar, so the implementation of this method can refer to the implementation of the device, and duplicates will not be repeated.
  • an embodiment of the present disclosure provides a flowchart of a method for reporting a reference signal, which specifically includes the following steps:
  • Step 800 The terminal device receives the number of reported reference signals configured by the network-side device.
  • Step 801 The terminal device reports a reference signal in the at least one candidate beam reference signal set to the network-side device through a PUCCH or a PUSCH.
  • the format of the reference signal in the candidate beam reference signal set reported by the terminal device includes a reference signal index value and a reference signal received power.
  • the received power value of the reference signals in the candidate beam reference signal set is represented by Xbit;
  • the terminal device receives the received power value of the reference signal in the candidate beam reference signal set corresponding to the maximum received power by X bit indicates that the received power of the reference signals in the remaining candidate beam reference signal sets is represented by Y bit;
  • X is a positive integer
  • Y is a positive integer less than X.
  • the received power value of at least one reference signal in the reference signals in the candidate beam reference signal set reported by the terminal device is a first special state value.
  • the bit field other than the bit field of the reference signal in the candidate beam reference signal set is reported as a second special state value.
  • the L1-RSRP report uses the existing way of mapping RSRP into corresponding bits.
  • an embodiment of the present disclosure also provides a method for reporting a reference signal, because the device corresponds to a method corresponding to a device for reporting a reference signal in an embodiment of the present disclosure, and the principle of the method to solve the problem is the same as the device Similar, so the implementation of this method can refer to the implementation of the device, and duplicates will not be repeated.
  • an embodiment of the present disclosure provides a flowchart of a method for receiving a reference signal, which specifically includes the following steps:
  • Step 900 The network-side device configures the number of reported reference signals for the terminal device
  • Step 901 The network-side device receives a reference signal in a candidate beam reference signal set reported by the terminal device through a PUCCH or a PUSCH.
  • the format of the reference signal in the candidate beam reference signal set received by the network-side device includes a reference signal index value and a reference signal received power.
  • the received power value of the reference signals in the received candidate beam reference signal set is represented by Xbit;
  • the received power value of the reference signal in the candidate beam reference signal set corresponding to the received maximum received power is represented by Xbit, and the rest The received power of the reference signals in the candidate beam reference signal set is represented by Ybit;
  • X is a positive integer
  • Y is a positive integer less than X.
  • the RSRP value of at least one reference signal in the reference signals in the candidate beam reference signal set received by the network-side device is a first special state value.
  • the network side device receives the reference reported by the terminal device through PUCCH or PUSCH All the signals are reference signals in the candidate beam reference signal set, and the bit fields other than the bit fields of the reference signals in the candidate beam reference signal set are reported as the second special state value.
  • the network side device receives the reference reported by the terminal device through PUCCH or PUSCH
  • the signal is a combination of the reference signal in the candidate beam reference signal set and the L1-RSRP report, and the L1-RSRP report uses the existing way of mapping the received power of the reference signal into corresponding bits.
  • the application can also be implemented with hardware and / or software (including firmware, resident software, microcode, etc.). Still further, the present application may take the form of a computer program product on a computer-usable or computer-readable storage medium having computer-usable or computer-readable program code implemented in the medium for use by an instruction execution system or Used in conjunction with the instruction execution system.
  • a computer-usable or computer-readable medium may be any medium that can contain, store, communicate, transmit, or transfer a program for use by or in connection with an instruction execution system, apparatus, or device, Device or equipment.

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Abstract

L'invention concerne un procédé et un dispositif de rapport et de réception de signaux de référence. Le procédé comprend les étapes suivantes : un dispositif terminal reçoit le nombre de signaux de référence rapportés configurés par un dispositif côté réseau ; et le dispositif terminal rapporte, au moyen d'un PUCCH ou d'un PUSCH, des signaux de référence dans au moins un signal de référence de faisceau candidat réglé sur le dispositif côté réseau.
PCT/CN2019/094398 2018-07-02 2019-07-02 Procédé et dispositif de rapport et de réception de signaux de référence WO2020007295A1 (fr)

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