WO2019157755A1 - 信号传输的方法和设备 - Google Patents
信号传输的方法和设备 Download PDFInfo
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- WO2019157755A1 WO2019157755A1 PCT/CN2018/076901 CN2018076901W WO2019157755A1 WO 2019157755 A1 WO2019157755 A1 WO 2019157755A1 CN 2018076901 W CN2018076901 W CN 2018076901W WO 2019157755 A1 WO2019157755 A1 WO 2019157755A1
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- 238000000034 method Methods 0.000 title claims abstract description 66
- 230000008054 signal transmission Effects 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 372
- 238000005259 measurement Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000015654 memory Effects 0.000 description 44
- 238000004891 communication Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 14
- 230000006870 function Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 6
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- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
- H04W74/0816—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision avoidance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/28—Cell structures using beam steering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
Definitions
- Embodiments of the present application relate to the field of communications and, more particularly, to methods and apparatus for signal transmission.
- the 5G system supports data transmission on the unlicensed frequency band, and the transmitting node may send a transmission signal to the receiving node to request communication with the receiving node, and the receiving node returns a signal to the transmitting node to indicate that the transmitting node can transmit data with the receiving node.
- the transmitting node can transmit data only with the receiving node only when receiving the signal returned by the receiving node. Therefore, how to improve the signal transmission efficiency between the transmitting node and the receiving node in the unlicensed frequency band becomes an urgent problem to be solved.
- the embodiment of the present application provides a method and a device for signal transmission, which can improve signal transmission efficiency between a transmitting node and a receiving node in an unlicensed frequency band.
- a method for signal transmission comprising: a sending node sending a request sending signal to a receiving node, the request sending signal comprising configuration information for transmitting an allowed transmitting signal; and the sending node receiving the receiving node The allowable transmission signal transmitted according to the configuration information.
- the transmitting node when transmitting the request transmission signal to the receiving node, the transmitting node enables the receiving node to transmit the permission transmitting signal to the transmitting node based on the configuration information by carrying the configuration information used for transmitting the transmission permitted signal, and the transmitting node can be based on the configuration.
- the information detection allows the signal to be transmitted, thereby improving the signal transmission efficiency between the transmitting node and the receiving node.
- the request sending signal is used at least to request data transmission with the receiving node, and the permission sending signal is at least used to indicate that the sending node and the receiving node are allowed to perform data transmission.
- the configuration information includes indication information of N candidate beams, and/or information of a transmission time of the N candidate beams corresponding to the transmission signal, and N is a positive integer.
- the indication information of each candidate beam of the N candidate waves includes: a signal index of a reference signal that satisfies a quasi-co-located QCL relationship with each of the candidate beams.
- the sending time of the allowed transmission signal corresponding to each candidate beam in the N candidate beams includes: a time taken to assume that the transmission enable signal is transmitted by using each of the candidate beams.
- the transmission times of the N allowed transmission signals corresponding to the N candidate beams do not overlap; the transmission time of the allowed transmission signal corresponding to the first candidate beam, and the transmission time of the request transmission signal
- the time interval between the transmission time of the ith candidate beam corresponding to the transmission signal of the i-th candidate beam and the transmission time of the transmission-allowable signal corresponding to the i+1th candidate beam is T i ;
- the time interval between the transmission time of the allowable transmission signal corresponding to one candidate beam and the transmission time of the transmission enable signal corresponding to the i+2 candidate beam is T i+1 ;
- T i T i+1 or T i ⁇ T i+1 , i from 1 to N-2.
- the transmission times of the N allowed transmission signals of the N candidate beams overlap, and the time interval between the transmission time of the overlap allowed transmission signal and the transmission time of the request transmission signal For T1.
- the sending, by the sending, the sending, by the receiving, the sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, sending, The allowable transmission signal is detected on the N candidate beams.
- a second aspect provides a method for signal transmission, comprising: receiving, by a receiving node, a request sending signal sent by a sending node, where the request sending signal includes configuration information for transmitting an allowed transmitting signal; and the receiving node is configured according to the Information, sending the permission to send signal to the sending node.
- the transmitting node when transmitting the request transmission signal to the receiving node, the transmitting node enables the receiving node to transmit the permission transmitting signal to the transmitting node based on the configuration information by carrying the configuration information used for transmitting the transmission permitted signal, and the transmitting node can be based on the configuration.
- the information detection allows the signal to be transmitted, thereby improving the signal transmission efficiency between the transmitting node and the receiving node.
- the request sending signal is used at least to request data transmission with the receiving node, and the permission sending signal is at least used to indicate that the sending node and the receiving node are allowed to perform data transmission.
- the configuration information includes indication information of N candidate beams, and/or information of a transmission time of the N candidate beams corresponding to the transmission signal, and N is a positive integer.
- the indication information of each of the N candidate waves includes: a signal index of a reference signal that satisfies a quasi-co-located QCL relationship with each of the candidate beams.
- the sending time of the allowed transmission signal corresponding to each candidate beam of the N candidate waves includes: a time taken to assume that the transmission enable signal is transmitted by using each of the candidate beams.
- the method before the sending node sends the permission to send signal to the sending node, the method further includes: receiving, by the receiving node, a measurement result obtained by performing signal measurement on a reference signal, and Or, the interception result obtained by performing carrier sensing on the beam, selecting a target beam among the N candidate beams; wherein the receiving node sends the permission to send signal to the sending node, including: the receiving The node transmits the allowed transmission signal to the transmitting node using the target beam.
- the target beam is: a beam in which the listening channel is idle in the N candidate beams; or a beam in which the measurement result of the reference signal in the N candidate beams is optimal;
- the listening channel is a beam whose measurement result of the reference signal in the idle beam is optimal.
- the transmission times of the N allowed transmission signals corresponding to the N candidate beams do not overlap; the transmission time of the allowed transmission signal corresponding to the first candidate beam, and the transmission time of the request transmission signal
- the time interval between the transmission time of the ith candidate beam corresponding to the transmission signal of the i-th candidate beam and the transmission time of the transmission-allowable signal corresponding to the i+1th candidate beam is T i ;
- the time interval between the transmission time of the allowable transmission signal corresponding to one candidate beam and the transmission time of the transmission enable signal corresponding to the i+2 candidate beam is T i+1 ;
- T i T i+1 or T i ⁇ T i+1 , i from 1 to N-2.
- the receiving node sends the permission to send signal to the sending node according to the configuration information, including: sending, by the receiving node, a transmission time of an allowed transmission signal corresponding to a target beam. Transmitting, by using the target beam, the allowed transmission signal to the transmitting node.
- the transmission times of the N allowed transmission signals of the N candidate beams overlap, and the time interval between the transmission time of the overlap allowed transmission signal and the transmission time of the request transmission signal For T1.
- the receiving node sends the permission to send signal to the sending node according to the configuration information, where: the receiving node is in a sending time of the overlapping allowed sending signal, The allowed transmit signal is sent to the transmitting node using a target beam.
- a transmitting node device which can perform the operations of the transmitting node in the above first aspect or any optional implementation of the first aspect.
- the terminal device may comprise a modular unit configured to perform the operations of the transmitting node in any of the above-described first aspects or any of the possible implementations of the first aspect.
- a receiving node device which can perform the operations of the receiving node in the above first aspect or any optional implementation of the first aspect.
- the network device may comprise a modular unit configured to perform the operations of the receiving node in any of the possible implementations of the second aspect or the second aspect described above.
- a transmitting node device comprising: a processor, a transceiver, and a memory.
- the processor, the transceiver, and the memory communicate with each other through an internal connection path.
- the memory is configured to store instructions that are configured to execute instructions stored by the memory.
- the processor executes the instruction stored by the memory, the executing causes the transmitting node device to perform the method of the first aspect or any possible implementation of the first aspect, or the performing causes the transmitting node device to implement the second aspect Send node device.
- a receiving node device comprising: a processor, a transceiver, and a memory.
- the processor, the transceiver, and the memory communicate with each other through an internal connection path.
- the memory is configured to store instructions that are configured to execute instructions stored by the memory.
- the processor executes the instruction stored by the memory, the executing causes the receiving node device to perform the method in any of the possible implementations of the second aspect or the second aspect, or the performing causes the receiving node device to implement the fourth aspect Receive node device.
- a system chip comprising an input interface, an output interface, a processor, and a memory, the processor configured to execute an instruction stored by the memory, when the instruction is executed, the processor can implement The method of any of the preceding first aspect or any possible implementation of the first aspect.
- a system chip in an eighth aspect, includes an input interface, an output interface, a processor, and a memory, the processor configured to execute an instruction stored by the memory, when the instruction is executed, the processor can implement The method of any of the preceding second aspect or any of the possible implementations of the second aspect.
- a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of any of the first aspect or the first aspect of the first aspect.
- a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of any of the above-described second or second aspect of the second aspect.
- FIG. 1 is a schematic diagram of a wireless communication system to which an embodiment of the present application is applied.
- FIG. 2 is a flow interaction diagram of a method of signal transmission in an embodiment of the present application.
- FIG. 3 is a schematic diagram of a transmission time of a transmission allowed signal according to an embodiment of the present application.
- FIG. 4 is a schematic diagram of a transmission time of a transmission enable signal according to an embodiment of the present application.
- FIG. 5 is a schematic block diagram of a sending node device according to an embodiment of the present application.
- FIG. 6 is a schematic block diagram of a receiving node device according to an embodiment of the present application.
- FIG. 7 is a schematic structural diagram of a communication device according to an embodiment of the present application.
- FIG. 8 is a schematic structural diagram of a system chip according to an embodiment of the present application.
- GSM Global System of Mobile communication
- CDMA Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- UPD Universal Mobile Telecommunication System
- WiMAX Worldwide Interoperability for Microwave Access
- FIG. 1 shows a wireless communication system 100 to which an embodiment of the present application is applied.
- the wireless communication system 100 can include a network device 110.
- Network device 100 can be a device that communicates with a terminal device.
- Network device 100 may provide communication coverage for a particular geographic area and may communicate with terminal devices (e.g., UEs) located within the coverage area.
- the network device 100 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, or may be a base station (NodeB, NB) in a WCDMA system, or may be an evolved base station in an LTE system.
- BTS Base Transceiver Station
- NodeB NodeB
- the network device can be a relay station, an access point, an in-vehicle device, a wearable device, A network side device in a future 5G network or a network device in a publicly available Public Land Mobile Network (PLMN) in the future.
- PLMN Public Land Mobile Network
- the wireless communication system 100 also includes at least one terminal device, such as terminal device 121 and terminal device 122, located within the coverage of network device 110.
- Terminal device 121 and terminal device 122 may be mobile or fixed.
- the terminal device 121 and the terminal device 122 may refer to an access terminal, a user equipment (User Equipment, UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, Terminal, wireless communication device, user agent or user device.
- UE User Equipment
- the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
- a device to device (D2D) communication may be performed between the terminal device 121 and the terminal device 122.
- D2D device to device
- FIG. 1 exemplarily shows one network device and two terminal devices.
- the wireless communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device. The application embodiment does not limit this.
- the wireless communication system 100 may further include other network entities, such as a network controller, a mobility management entity, and the like.
- network entities such as a network controller, a mobility management entity, and the like.
- the frequency band used for data transmission is higher than the frequency band used in LTE, so the path loss of the wireless signal transmission becomes large, and the coverage of the wireless signal becomes small.
- beamforming technology is proposed in 5G systems to increase the gain of wireless signals to compensate for path loss.
- the beam used by the base station to send signals to the terminal device has directivity, and different beams actually correspond to different transmission directions, and each narrow beam can only cover a partial area of the cell, and cannot cover all areas in the cell.
- FIG. 1 shows four beams in different directions, namely, beam B1, beam B2, beam B3, and beam B4, and the base station can transmit signals to the terminal device through four different directions of beams.
- the base station can transmit signals to the terminal device 121 through the beam B1 and the beam B2, and transmit signals to the terminal device 122 through the beam B3 and the beam B4.
- LBT Listening Before Talk
- WiFi Wireless Fidelity
- RTS Request-To-Send
- CTS Clear-To-Send
- LBT Listen Before Talk
- Request-To-Send RTS/Clear-to-Send (Clear-To-Send)
- CTS CTS
- Hidden Stations Hidden Stations
- the base station A sends a signal to the base station B.
- the base station C does not detect the base station A, it can also transmit to the base station B. Therefore, the base station A and the base station C simultaneously transmit signals to the base station B, causing the signal to be transmitted to the base station B. Signal collisions may eventually result in the loss of signals sent to base station B.
- this problem can be solved by the RTS/CTS mechanism.
- the base station A sends an RTS signal to the base station B, indicating that the base station A is to send some data to the base station B, and the base station B sends a CTS signal after receiving the RTS signal, indicating that it is ready, the base station A can transmit data, and the rest wants to the base station B.
- the base station transmitting the data suspends transmitting data to the base station B.
- the two parties start the real data transmission after successfully switching the RTS/CTS signal (that is, completing the handshake), and ensuring that when multiple invisible transmitting nodes simultaneously send signals to the same receiving node, the actual receiving can only be received.
- the node that the node responds to the CTS signal can transmit data to the receiving node, thereby avoiding collisions.
- the transmitting node Since the transmitting node only receives the CTS signal returned by the receiving node, it can transmit data with the receiving node. Therefore, how to improve the signal transmission efficiency between the transmitting node and the receiving node becomes an urgent problem to be solved.
- the transmitting node when the sending node sends the request sending signal to the receiving node, can send the allowed sending signal to the sending node based on the configuration information by carrying the configuration information used by the transmission permission transmitting signal, and the sending node The allowable transmission signal can be detected based on the configuration information, thereby improving signal transmission efficiency between the transmitting node and the receiving node.
- a beam used to receive a signal can be understood as a spatial domain reception filter used to receive a signal; a beam used to transmit a signal can be understood as , a spatial domain transmission filter used to transmit a signal.
- the two signals can be said to be Quasi-Co-Located (QCL) with respect to the spatial receive parameters.
- the transmitting node setting and receiving node shown in FIG. 2 may be, for example, the network device 110, the terminal device 121, or the terminal device 122 shown in FIG. 1.
- the method shown in Figure 2 can be applied, for example, to an unlicensed band.
- the method of signal transmission may include some or all of the following contents:
- the transmitting node sends a request to send signal to the receiving node.
- the receiving node receives a request to send signal sent by the transmitting node.
- the request sending signal includes configuration information for transmitting an allowed transmission signal.
- the request sending signal is at least used to request data transmission with the receiving node.
- it includes the address of the receiving node, the time of the data frame, the time when the ACK is sent, and the like.
- the request sending signal may also carry other content or have other functions, which are not limited herein.
- the permission to send signal is at least used to indicate that the sending node is allowed to perform data transmission with the receiving node, or, further, to instruct other nodes to perform data transmission with the receiving node.
- the allowed transmission signal may also carry other content or have other functions, which are not limited herein.
- the request transmission signal is an RTS signal
- the permission transmission signal is a CTS signal.
- the configuration information includes indication information of the N candidate beams, and/or information of a transmission time of the allowed transmission signals corresponding to each of the N candidate beams, where N is a positive integer.
- the indication information of each candidate beam of the N candidate waves may include, for example, a signal index of a reference signal satisfying a quasi-co-located QCL relationship with each of the candidate beams.
- the transmission time of the allowable transmission signal corresponding to each of the N candidate beams may include, for example, a time taken to assume that the transmission enable signal is transmitted using each of the candidate beams.
- the transmission times of the N allowed transmission signals corresponding to the N candidate beams may overlap or not overlap, and the following two cases are respectively described below.
- the transmission times of the N allowed transmission signals corresponding to the N candidate beams do not overlap.
- the time interval between the transmission time of the allowable transmission signal corresponding to the first candidate beam and the transmission time of the request transmission signal is T1.
- the transmission time of the allowable transmission signal corresponding to the i-th candidate beam and the transmission time of the transmission-allowable signal corresponding to the i+1th candidate beam are T i .
- the time interval between the transmission time of the allowable transmission signal corresponding to the i+1th candidate beam and the transmission time of the transmission enable signal corresponding to the i+2 candidate beam is T i+1 .
- T i T i+1 or T i ⁇ T i+1 , i is from 1 to N-2.
- the three candidate beams are beam 1, beam 2, and beam 3.
- the time interval between the transmission time of the allowable transmission signal corresponding to beam 1 and the transmission time of the request transmission signal is T1; the transmission time of the transmission enable signal corresponding to beam 2, and the transmission time of the transmission enable signal corresponding to beam 1
- the time interval is T2; the time interval between the transmission time of the transmit signal corresponding to beam 3 and the transmission time of the allowable transmission signal corresponding to beam 2 is T3.
- T1 can be, for example, 16 us or 25 us.
- T2 and T3 may or may not be equal.
- the transmission times of the N allowed transmission signals corresponding to the N candidate beams overlap, and the time interval between the transmission time of the overlap allowed transmission signal and the transmission time of the request transmission signal is T1.
- the three candidate beams are beam 1, beam 2, and beam 3.
- the transmission time of the allowable transmission signals corresponding to beam 1, beam 2 and beam 3 is the same, and the time interval between the transmission times of the request transmission signals is T1.
- T1 can be, for example, 16 us or 25 us.
- the receiving node has only the ability to transmit and receive using only one beam at the same time; in case 2, the receiving node has the ability to transmit and receive using multiple beams at the same time.
- the receiving node sends the permission sending signal to the sending node according to the configuration information.
- the receiving node may perform a sensing result obtained by performing signal measurement on the reference signal, and/or a listening result obtained by performing carrier sensing (or beam sensing, channel sensing, interception, etc.) on the beam. And selecting a target beam among the N candidate beams, so that the allowed transmission signal is sent to the transmitting node by using the target beam.
- the target beam may be, for example, a beam in which the listening channel is idle in the N candidate beams; or a beam in which the measurement result of the reference signal in the N candidate beams is optimal; or the listening channel is The beam with the best measurement result of the reference signal in the idle beam.
- the terminal device detects that the channel is idle on a certain beam, for example, the power of the reference signal sent on the beam is less than a preset threshold, and the channel on the beam is considered to be idle.
- the receiving node sends the allowed transmission signal to the sending node according to the configuration information.
- the method includes: the receiving node sends the allowed transmission signal to the sending node by using the target beam during a transmission time of the allowed transmission signal corresponding to the target beam.
- the receiving node sends the permission transmission signal to the sending node according to the configuration information, including The receiving node transmits the allowed transmission signal to the transmitting node using the target beam during the transmission time of the overlapping allowed transmission signal.
- the sending node receives the allowed sending signal sent by the receiving node according to the configuration information.
- the sending node optionally receives the allowable sending signal sent by the receiving node according to the configuration information, and the sending node sequentially and in the N according to the sending time of the N allowed sending signals.
- the allowable transmission signal is detected on the N candidate beams corresponding to the transmission time of the transmission signal until the permission to transmit the signal is detected, or until the transmission time of the last allowed transmission signal in the transmission time of the N allowed transmission signals. The transmission allowed signal was detected before the end.
- the sending node receives the allowable sending signal sent by the receiving node according to the configuration information, and the sending node is simultaneously on the N candidate beams during the sending time of the overlapping allowed transmitting signals. Detect this allowed transmission signal.
- the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
- the implementation process constitutes any limitation.
- FIG. 5 is a schematic block diagram of a transmitting node device 500 in accordance with an embodiment of the present application.
- the sending node device 500 includes a transceiver unit 510 configured to:
- the transmitting node device when transmitting the request transmission signal to the receiving node device, the transmitting node device enables the receiving node device to transmit the permission transmitting signal to the transmitting node device based on the configuration information by carrying the configuration information used for transmitting the transmission permitted signal, and the transmitting node The device can detect the allowed transmission signal based on the configuration information, thereby improving signal transmission efficiency between the transmitting node device and the receiving node device.
- the request sending signal is used at least to request data transmission with the receiving node device, and the permission sending signal is at least used to indicate that the sending node device is allowed to perform data transmission with the receiving node device.
- the configuration information includes indication information of N candidate beams, and/or information of a transmission time of the allowed transmission signals corresponding to each of the N candidate beams.
- the indication information of each of the N candidate waves includes: a signal index of a reference signal that satisfies a quasi-co-located QCL relationship with each of the candidate beams.
- a sending time of the allowed transmission signal corresponding to each candidate beam of the N candidate beams includes: a time occupied by assuming that each of the candidate beams is used to transmit an allowable transmission signal.
- the transmission times of the N allowed transmission signals corresponding to the N candidate beams do not overlap; the time interval between the transmission time of the allowed transmission signal corresponding to the first candidate beam and the transmission time of the request transmission signal
- the time interval between the transmission time of the allowable transmission signal corresponding to the i th candidate beam and the transmission time of the allowable transmission signal corresponding to the i+1th candidate beam is T i ;
- the transceiver unit 510 is configured to: detect, according to a sequence of transmission times of the N allowed transmission signals, sequentially on N candidate beams corresponding to transmission times of the N allowed transmission signals. The transmission is allowed to be transmitted until the transmission of the permission is detected, or until the transmission of the transmission of the last of the N allowed transmission signals is completed, the transmission of the transmission is detected.
- the transmission times of the N allowed transmission signals corresponding to the N candidate beams overlap, and the time interval between the transmission time of the overlapping allowed transmission signals and the transmission time of the request transmission signal is T1.
- the transceiver unit 510 is configured to: simultaneously detect the allowed transmission signal on the N candidate beams during a transmission time of the overlap allowed transmission signal.
- the sending node device 500 can perform the corresponding operations performed by the sending node in the foregoing method 200. For brevity, no further details are provided herein.
- FIG. 6 is a schematic block diagram of a receiving node device 600 in accordance with an embodiment of the present application.
- the network device 600 includes a transceiver unit 610 configured to:
- the transmitting node device when transmitting the request transmission signal to the receiving node device, the transmitting node device enables the receiving node device to transmit the permission transmitting signal to the transmitting node device based on the configuration information by carrying the configuration information used for transmitting the transmission permitted signal, and the transmitting node The device can detect the allowed transmission signal based on the configuration information, thereby improving signal transmission efficiency between the transmitting node device and the receiving node device.
- the request sending signal is used at least to request data transmission with the receiving node device, and the permission sending signal is at least used to indicate that the sending node device is allowed to perform data transmission with the receiving node device.
- the configuration information includes indication information of N candidate beams, and/or information of a transmission time of the allowed transmission signals corresponding to each of the N candidate beams, where N is a positive integer.
- the indication information of each of the N candidate waves includes: a signal index of a reference signal that satisfies a quasi-co-located QCL relationship with each of the candidate beams.
- a transmission time of the allowed transmission signal corresponding to each candidate beam of the N candidate waves includes: a time taken to assume that the transmission enable signal is transmitted by using each of the candidate beams.
- the receiving node device further includes a processing unit 620 configured to: according to the measurement result obtained by performing signal measurement on the reference signal, and/or the interception result obtained by performing carrier sensing on the beam, in the N Selecting a target beam among the candidate beams;
- the transceiver unit 610 is specifically configured to: send the allowed transmission signal to the sending node device by using the target beam.
- the target beam is: a beam in which the listening channel is idle in the N candidate beams; or a beam in which the measurement result of the reference signal in the N candidate beams is optimal; or The beam with the best measurement result of the reference signal in the beam where the channel is idle is heard.
- the transmission times of the N allowed transmission signals corresponding to the N candidate beams do not overlap; the time interval between the transmission time of the allowed transmission signal corresponding to the first candidate beam and the transmission time of the request transmission signal
- the time interval between the transmission time of the allowable transmission signal corresponding to the i th candidate beam and the transmission time of the allowable transmission signal corresponding to the i+1th candidate beam is T i ;
- the transceiver unit 610 is specifically configured to: send, by using the target beam, the permission to send signal to the sending node device during a sending time of the allowed transmission signal corresponding to the target beam.
- the transmission times of the N allowed transmission signals corresponding to the N candidate beams overlap, and the time interval between the transmission time of the overlapping allowed transmission signals and the transmission time of the request transmission signal is T1.
- the transceiver unit 610 is specifically configured to: send the allowed transmission signal to the sending node device by using a target beam during a transmission time of the overlapping allowed transmission signal.
- receiving node device 600 can perform the corresponding operations performed by the receiving node in the foregoing method 200, and details are not described herein for brevity.
- FIG. 7 is a schematic structural diagram of a communication device 700 according to an embodiment of the present application.
- the communication device includes a processor 710, a transceiver 720, and a memory 730, wherein the processor 710, the transceiver 720, and the memory 730 communicate with each other through an internal connection path.
- the memory 730 is configured to store instructions
- the processor 710 is configured to execute instructions stored by the memory 730 to control the transceiver 720 to receive signals or transmit signals.
- the processor 710 can call the program code stored in the memory 730 to perform the corresponding operations performed by the sending node in the method 200.
- the processor 710 can call the program code stored in the memory 730 to perform the corresponding operations performed by the sending node in the method 200.
- the processor 710 can call the program code stored in the memory 730 to perform the corresponding operations performed by the receiving node in the method 200.
- the processor 710 can call the program code stored in the memory 730 to perform the corresponding operations performed by the receiving node in the method 200.
- the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
- each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
- the processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a Field Programmable Gate Array (FPGA), or the like. Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
- the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
- the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
- the steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method.
- the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
- the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
- RAM Random Access Memory
- many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
- SDRAM Double Data Rate SDRAM
- DDR SDRAM Double Data Rate SDRAM
- ESDRAM Enhanced Synchronous Dynamic Random Access Memory
- SLDRAM Synchronous Connection Dynamic Random Access Memory
- DR RAM direct memory bus random access memory
- FIG. 8 is a schematic structural diagram of a system chip according to an embodiment of the present application.
- the system chip 800 of FIG. 8 includes an input interface 801, an output interface 802, at least one processor 803, and a memory 804.
- the input interface 801, the output interface 802, the processor 803, and the memory 804 are interconnected by an internal connection path.
- the processor 803 is configured to execute code in the memory 804.
- the processor 803 can implement the corresponding operations performed by the transmitting node in the method 200. For the sake of brevity, it will not be repeated here.
- the processor 803 can implement corresponding operations performed by the receiving node in the method 200. For the sake of brevity, it will not be repeated here.
- B corresponding to (corresponding to) A means that B is associated with A, and B can be determined according to A.
- determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
- the disclosed systems, devices, and methods may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
- each functional unit in each embodiment of the present application may be integrated into one monitoring unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
- the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
- the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
- the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .
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Abstract
Description
Claims (40)
- 一种信号传输的方法,所述方法包括:发送节点向接收节点发送请求发送信号,所述请求发送信号包括用于传输允许发送信号的配置信息;所述发送节点接收所述接收节点根据所述配置信息发送的所述允许发送信号。
- 根据权利要求1所述的方法,其中,所述请求发送信号至少用于请求与所述接收节点进行数据传输,所述允许发送信号至少用于指示允许所述发送节点与所述接收节点进行数据传输。
- 根据权利要求1或2所述的方法,其中,所述配置信息包括N个候选波束的指示信息,和/或,N个候选波束各自对应的允许发送信号的发送时间的信息,N为正整数。
- 根据权利要求3所述的方法,其中,所述N个候选波中每个候选波束的指示信息包括:与所述每个候选波束之间满足准共址QCL关系的参考信号的信号索引。
- 根据权利要求3或4所述的方法,其中,所述N个候选波束中每个候选波束对应的允许发送信号的发送时间包括:以假定使用所述每个候选波束发送允许发送信号时所占用的时间。
- 根据权利要求3至5中任一项所述的方法,其中,所述N个候选波束对应的N个允许发送信号的发送时间各不重叠,第1个候选波束对应的允许发送信号的发送时间,与请求发送信号的发送时间之间的时间间隔为T1,第i个候选波束对应的允许发送信号的发送时间,与第i+1个候选波束对应的允许发送信号的发送时间之间的时间间隔为T i,第i+1个候选波束对应的允许发送信号的发送时间,与第i+2个候选波束对应的允许发送信号的发送时间之间的时间间隔为T i+1,T i=T i+1或者T i≠T i+1,i从1至N-2。
- 根据权利要求6所述的方法,其中,所述发送节点接收所述接收节点根据所述配置信息发送的允许发送信号,包括:所述发送节点按照所述N个允许发送信号的发送时间的先后顺序,依次在与所述N个允许发送信号的发送时间对应的N个候选波束上,检测所述 允许发送信号,直至检测到允许发送信号,或者,直至在所述N个允许发送信号的发送时间中的最后一个允许发送信号的发送时间结束之前检测了允许发送信号。
- 根据权利要求3至5中任一项所述的方法,其中,所述N个候选波束对应的N个允许发送信号的发送时间重叠,且所述重叠的允许发送信号的发送时间与请求发送信号的发送时间之间的时间间隔为T1。
- 根据权利要求8所述的方法,其中,所述发送节点接收所述接收节点根据所述配置信息发送的允许发送信号,包括:所述发送节点在所述重叠的允许发送信号的发送时间内,同时在所述N个候选波束上检测所述允许发送信号。
- 一种信号传输的方法,所述方法包括:接收节点接收发送节点发送的请求发送信号,所述请求发送信号包括用于传输允许发送信号的配置信息;所述接收节点根据所述配置信息,向所述发送节点发送所述允许发送信号。
- 根据权利要求10所述的方法,其中,所述请求发送信号至少用于请求与所述接收节点进行数据传输,所述允许发送信号至少用于指示允许所述发送节点与所述接收节点进行数据传输。
- 根据权利要求10或11所述的方法,其中,所述配置信息包括N个候选波束的指示信息,和/或,N个候选波束各自对应的允许发送信号的发送时间的信息,N为正整数。
- 根据权利要求12所述的方法,其中,所述N个候选波中每个候选波束的指示信息包括:与所述每个候选波束之间满足准共址QCL关系的参考信号的信号索引。
- 根据权利要求12或13所述的方法,其中,所述N个候选波中每个候选波束对应的允许发送信号的发送时间包括:以假定使用所述每个候选波束发送允许发送信号时所占用的时间。
- 根据权利要求10至14中任一项所述的方法,其中,在所述接收节点向所述发送节点发送所述允许发送信号之前,所述方法还包括:所述接收节点根据对参考信号进行信号测量得到的测量结果,和/或,对波束进行载波侦听得到的侦听结果,在所述N个候选波束中选择目标波束;其中,所述接收节点向所述发送节点发送所述允许发送信号,包括:所述接收节点使用所述目标波束向所述发送节点发送所述允许发送信号。
- 根据权利要求15所述的方法,其中,所述目标波束为:所述N个候选波束中侦听到信道为空闲的波束;或者,所述N个候选波束中参考信号的测量结果最优的波束;或者,所述侦听到信道为空闲的波束中参考信号的测量结果最优的波束。
- 根据权利要求12至16中任一项所述的方法,其中,所述N个候选波束对应的N个允许发送信号的发送时间各不重叠,第1个候选波束对应的允许发送信号的发送时间,与请求发送信号的发送时间之间的时间间隔为T1,第i个候选波束对应的允许发送信号的发送时间,与第i+1个候选波束对应的允许发送信号的发送时间之间的时间间隔为T i,第i+1个候选波束对应的允许发送信号的发送时间,与第i+2个候选波束对应的允许发送信号的发送时间之间的时间间隔为T i+1,T i=T i+1或者T i≠T i+1,i从1至N-2。
- 根据权利要求17所述的方法,其中,所述接收节点根据所述配置信息,向所述发送节点发送所述允许发送信号,包括:所述接收节点在与目标波束对应的允许发送信号的发送时间内,使用所述目标波束向所述发送节点发送所述允许发送信号。
- 根据权利要求12至16中任一项所述的方法,其中,所述N个候选波束对应的N个允许发送信号的发送时间重叠,且所述重叠的允许发送信号的发送时间与请求发送信号的发送时间之间的时间间隔为T1。
- 根据权利要求19所述的方法,其中,所述接收节点根据所述配置信息,向所述发送节点发送所述允许发送信号,包括:所述接收节点在所述重叠的允许发送信号的发送时间内,使用目标波束向所述发送节点发送所述允许发送信号。
- 一种发送节点设备,所述发送节点设备包括:收发单元,配置为向接收节点设备发送请求发送信号,所述请求发送信号包括用于传输允许发送信号的配置信息;所述收发单元还配置为,接收所述接收节点设备根据所述配置信息发送 的所述允许发送信号。
- 根据权利要求21所述的发送节点设备,其中,所述请求发送信号至少用于请求与所述接收节点设备进行数据传输,所述允许发送信号至少用于指示允许所述发送节点设备与所述接收节点设备进行数据传输。
- 根据权利要求21或22所述的发送节点设备,其中,所述配置信息包括N个候选波束的指示信息,和/或,N个候选波束各自对应的允许发送信号的发送时间的信息,N为正整数。
- 根据权利要求23所述的发送节点设备,其中,所述N个候选波中每个候选波束的指示信息包括:与所述每个候选波束之间满足准共址QCL关系的参考信号的信号索引。
- 根据权利要求23或24所述的发送节点设备,其中,所述N个候选波束中每个候选波束对应的允许发送信号的发送时间包括:以假定使用所述每个候选波束发送允许发送信号时所占用的时间。
- 根据权利要求23至25中任一项所述的发送节点设备,其中,所述N个候选波束对应的N个允许发送信号的发送时间各不重叠,第1个候选波束对应的允许发送信号的发送时间,与请求发送信号的发送时间之间的时间间隔为T1,第i个候选波束对应的允许发送信号的发送时间,与第i+1个候选波束对应的允许发送信号的发送时间之间的时间间隔为T i,第i+1个候选波束对应的允许发送信号的发送时间,与第i+2个候选波束对应的允许发送信号的发送时间之间的时间间隔为T i+1,T i=T i+1或者T i≠T i+1,i从1至N-2。
- 根据权利要求26所述的发送节点设备,其中,所述收发单元具体配置为:按照所述N个允许发送信号的发送时间的先后顺序,依次在与所述N个允许发送信号的发送时间对应的N个候选波束上,检测所述允许发送信号,直至检测到允许发送信号,或者,直至在所述N个允许发送信号的发送时间中的最后一个允许发送信号的发送时间结束之前检测了允许发送信号。
- 根据权利要求23至25中任一项所述的发送节点设备,其中,所述N个候选波束对应的N个允许发送信号的发送时间重叠,且所述重叠的允许发送信号的发送时间与请求发送信号的发送时间之间的时间间隔为T1。
- 根据权利要求28所述的发送节点设备,其中,所述收发单元具体配置为:在所述重叠的允许发送信号的发送时间内,同时在所述N个候选波束上检测所述允许发送信号。
- 一种接收节点设备,所述方法包括:收发单元,配置为接收发送节点设备发送的请求发送信号,所述请求发送信号包括用于传输允许发送信号的配置信息;所述收发单元还配置为,根据所述配置信息,向所述发送节点设备发送所述允许发送信号。
- 根据权利要求30所述的接收节点设备,其中,所述请求发送信号至少用于请求与所述接收节点设备进行数据传输,所述允许发送信号至少用于指示允许所述发送节点设备与所述接收节点设备进行数据传输。
- 根据权利要求30或31所述的接收节点设备,其中,所述配置信息包括N个候选波束的指示信息,和/或,N个候选波束各自对应的允许发送信号的发送时间的信息,N为正整数。
- 根据权利要求32所述的接收节点设备,其中,所述N个候选波中每个候选波束的指示信息包括:与所述每个候选波束之间满足准共址QCL关系的参考信号的信号索引。
- 根据权利要求32或33所述的接收节点设备,其中,所述N个候选波中每个候选波束对应的允许发送信号的发送时间包括:以假定使用所述每个候选波束发送允许发送信号时所占用的时间。
- 根据权利要求30至34中任一项所述的接收节点设备,其中,所述接收节点设备还包括处理单元,配置为:根据对参考信号进行信号测量得到的测量结果,和/或,对波束进行载波侦听得到的侦听结果,在所述N个候选波束中选择目标波束;其中,所述收发单元具体配置为:使用所述目标波束向所述发送节点设备发送所述允许发送信号。
- 根据权利要求35所述的接收节点设备,其中,所述目标波束为:所述N个候选波束中侦听到信道为空闲的波束;或者,所述N个候选波束中参考信号的测量结果最优的波束;或者,所述侦听到信道为空闲的波束中参考信号的测量结果最优的波束。
- 根据权利要求32至36中任一项所述的接收节点设备,其中,所述N个候选波束对应的N个允许发送信号的发送时间各不重叠,第1个候选波束对应的允许发送信号的发送时间,与请求发送信号的发送时间之间的时间间隔为T1,第i个候选波束对应的允许发送信号的发送时间,与第i+1个候选波束对应的允许发送信号的发送时间之间的时间间隔为T i,第i+1个候选波束对应的允许发送信号的发送时间,与第i+2个候选波束对应的允许发送信号的发送时间之间的时间间隔为T i+1,T i=T i+1或者T i≠T i+1,i从1至N-2。
- 根据权利要求37所述的接收节点设备,其中,所述收发单元具体配置为:在与目标波束对应的允许发送信号的发送时间内,使用所述目标波束向所述发送节点设备发送所述允许发送信号。
- 根据权利要求32至36中任一项所述的接收节点设备,其中,所述N个候选波束对应的N个允许发送信号的发送时间重叠,且所述重叠的允许发送信号的发送时间与请求发送信号的发送时间之间的时间间隔为T1。
- 根据权利要求39所述的接收节点设备,其中,所述收发单元具体配置为:在所述重叠的允许发送信号的发送时间内,使用目标波束向所述发送节点设备发送所述允许发送信号。
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AU2018409038A AU2018409038A1 (en) | 2018-02-14 | 2018-02-14 | Signal transmission method and device |
JP2020543274A JP2021517758A (ja) | 2018-02-14 | 2018-02-14 | 信号伝送方法および機器 |
PCT/CN2018/076901 WO2019157755A1 (zh) | 2018-02-14 | 2018-02-14 | 信号传输的方法和设备 |
EP18906646.7A EP3751947A4 (en) | 2018-02-14 | 2018-02-14 | SIGNAL TRANSMISSION METHOD AND DEVICE |
US16/993,186 US11399391B2 (en) | 2018-02-14 | 2020-08-13 | Method and device to provide a signal transmission between a sending node and receiving node in unlicensed frequency band |
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EP (1) | EP3751947A4 (zh) |
JP (1) | JP2021517758A (zh) |
KR (1) | KR20200120710A (zh) |
CN (1) | CN111699746A (zh) |
AU (1) | AU2018409038A1 (zh) |
WO (1) | WO2019157755A1 (zh) |
Cited By (2)
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WO2021201554A1 (ko) * | 2020-03-30 | 2021-10-07 | 삼성전자 주식회사 | 무선 통신 시스템에서 기준 신호 송수신 방법 및 장치 |
US20230283352A1 (en) * | 2020-07-22 | 2023-09-07 | Beijing Xiaomi Mobile Software Co., Ltd. | Beam determining method and apparatus, and storage medium |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102404082A (zh) * | 2010-09-10 | 2012-04-04 | 中兴通讯股份有限公司 | 初始帧发送、响应帧回复、信道预约方法、装置及系统 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6735445B2 (en) * | 2002-08-26 | 2004-05-11 | Symbol Technologies, Inc. | System and method for medium access control in a wireless network |
US20100182987A1 (en) * | 2009-01-16 | 2010-07-22 | Electronics And Telecommunications Research Institute | Method and apparatus for transmitting/receiving data in wireless communication network |
JP2010206667A (ja) * | 2009-03-05 | 2010-09-16 | Sony Corp | 通信装置及び通信方法、コンピューター・プログラム、並びに通信システム |
JP2010252049A (ja) * | 2009-04-15 | 2010-11-04 | Sony Corp | 通信装置及び通信方法、コンピューター・プログラム、並びに通信システム |
US9479240B1 (en) * | 2014-01-31 | 2016-10-25 | Quantenna Communications, Inc. | Composite beamforming to coordinate concurrent WLAN links |
US10367677B2 (en) * | 2016-05-13 | 2019-07-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Network architecture, methods, and devices for a wireless communications network |
US10630410B2 (en) * | 2016-05-13 | 2020-04-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Network architecture, methods, and devices for a wireless communications network |
US11412422B2 (en) * | 2019-03-14 | 2022-08-09 | Ofinno, Llc | Handover in unlicensed band |
US11991728B2 (en) * | 2019-08-27 | 2024-05-21 | Intel Corporation | Techniques for high frequency wireless communication |
-
2018
- 2018-02-14 CN CN201880089020.7A patent/CN111699746A/zh active Pending
- 2018-02-14 KR KR1020207026344A patent/KR20200120710A/ko not_active Application Discontinuation
- 2018-02-14 WO PCT/CN2018/076901 patent/WO2019157755A1/zh unknown
- 2018-02-14 EP EP18906646.7A patent/EP3751947A4/en active Pending
- 2018-02-14 AU AU2018409038A patent/AU2018409038A1/en not_active Abandoned
- 2018-02-14 JP JP2020543274A patent/JP2021517758A/ja not_active Withdrawn
-
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102404082A (zh) * | 2010-09-10 | 2012-04-04 | 中兴通讯股份有限公司 | 初始帧发送、响应帧回复、信道预约方法、装置及系统 |
Non-Patent Citations (4)
Title |
---|
INTERDIGITAL INC: "On coexistence and channel access for NR- Unlicensed", 3GPP TSG RAN WG1 MEETING AH1801, R1-1800638, 26 January 2018 (2018-01-26), XP051384967 * |
MEDIATEK INC: "Considerations on NR Unlicensed Channel Access", 3GPP TSG RAN WG1 MEETING, R1-1719567, vol. 91, 1 December 2017 (2017-12-01), XP051369381 * |
SAMSUNG: "Channel Access for NR Unlicensed Operation", 3GPP TSG-RAN WG1 MEETING #AH1801, R1-1800478, 26 January 2018 (2018-01-26), XP051384461 * |
See also references of EP3751947A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021201554A1 (ko) * | 2020-03-30 | 2021-10-07 | 삼성전자 주식회사 | 무선 통신 시스템에서 기준 신호 송수신 방법 및 장치 |
US20230283352A1 (en) * | 2020-07-22 | 2023-09-07 | Beijing Xiaomi Mobile Software Co., Ltd. | Beam determining method and apparatus, and storage medium |
Also Published As
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AU2018409038A1 (en) | 2020-10-01 |
EP3751947A1 (en) | 2020-12-16 |
CN111699746A (zh) | 2020-09-22 |
KR20200120710A (ko) | 2020-10-21 |
EP3751947A4 (en) | 2021-01-20 |
JP2021517758A (ja) | 2021-07-26 |
US20200374931A1 (en) | 2020-11-26 |
US11399391B2 (en) | 2022-07-26 |
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