WO2021077960A1 - 一种被用于无线通信的方法和设备 - Google Patents
一种被用于无线通信的方法和设备 Download PDFInfo
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- WO2021077960A1 WO2021077960A1 PCT/CN2020/116408 CN2020116408W WO2021077960A1 WO 2021077960 A1 WO2021077960 A1 WO 2021077960A1 CN 2020116408 W CN2020116408 W CN 2020116408W WO 2021077960 A1 WO2021077960 A1 WO 2021077960A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
- H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
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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
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
Definitions
- This application relates to a transmission method and device in a wireless communication system, and in particular to a transmission method and device with a large delay.
- 3GPP 3rd Generation Partner Project
- NTN Non-Terrestrial Network
- 3GPPRAN#80 3rd Generation Partner Project
- NR New Radio, The new air interface
- RP-171450 NR support non-terrestrial network
- Timing advance is used by user equipment (User Equipment, UE) to advance/delay (Delay) to base station (eNodeB, eNB) to send messages to compensate for the impact of propagation delay (Propagation Delay) and ensure The messages sent by different terminal devices are aligned within the receiving window of the base station.
- UE User Equipment
- Delay advance/delay
- eNodeB base station
- Propagation Delay propagation Delay
- the user equipment in the random access (Random Access, RA) phase, sends a random access preamble (Preamble) sequence to the base station, and the base station uses the preamble sent by the user equipment to determine the timing advance (Timing Advance) of the user equipment. ), and use a timing advance command (Timing Advance Command, TAC) as a part of a random access response (Random Access Response, RAR), which is sent by the base station to the user equipment, where the timing advance command includes an index value (Index) T A.
- the index value in the timing advance command is multiplied by the time granularity to obtain the transmission timing advance of the user equipment.
- SubcarrierSpace, SCS subcarrierSpace
- the base station After random access, the user equipment and the base station establish a connection. In the RRC_CONNECTED state, the base station needs to maintain the timing advance of the user equipment and pass the TAC (Timing Advance Command, timing advance command) MAC (Medium Access Control) CE (Control Element, The control unit) sends the adjusted value of the timing advance to the user equipment, and the TACMACCE contains the timing advance command.
- TAC Timing Advance Command, timing advance command
- MAC Medium Access Control
- CE Control Element, The control unit
- the timing advance command in TACMACCE includes 6 information bits.
- the timing advance specified in the current 3GPP protocol is designed for terrestrial communication networks (Terrestrial Network, TN)
- the maximum transmission distance supported by the time granularity of the timing advance command is about tens of kilometers.
- the transmission distance and delay between satellites and user equipment are far greater than that of terrestrial communications networks.
- the current timing advance commands related parameters cannot meet the requirements of non-terrestrial communications at the same time, and the timing advance in large delay scenarios is required. Redesign the timing advance command based on the quantity.
- this application provides a solution.
- the NTN scenario is only used as an example of the application of this application; this application is also applicable to, for example, terrestrial transmission scenarios, and achieves similar technical effects in the NTN scenario.
- the use of a unified solution for different scenarios also helps to reduce hardware complexity and cost.
- This application discloses a method used in a first node of wireless communication, which is characterized in that it includes:
- the first information includes the first sub-information and the second sub-information; the first sub-information is used to determine the first time value, the second sub-information is used to determine K, and the K is non-negative Integer; the first time value and the K are used together to determine the start time of sending the first signal.
- the problem to be solved by this application includes: when the time delay between the base station and the user equipment is relatively large, how does the user equipment determine the start time of sending the first signal.
- the first sub-information used to determine the first time value and the second sub-information used to determine the K jointly determine the transmission start time of the first signal, thereby solving This problem is solved.
- the characteristics of the above method include: the first information is used to determine the start time of sending the first signal; the product of the first time value and the K is the start time of the first signal. Starting time; whether the first sub-information is used to indicate that the first time value is related to the parameters of the sender of the first information; the first sub-information and the second sub-information are also used Determine the adjustment value of the timing advance.
- the advantages of the above method include: adjusting the first time value determined by the first sub-information according to the time delay between the base station and the user equipment, so as to adapt to different timing advance value ranges, This further ensures that regardless of the scenario where the height of the second node in the present application is large, or the scenario where the inclination angle between the second node and the user equipment is large, the user equipment can determine that the first signal is sent. The beginning moment.
- the first signaling is used to determine K1 candidate time values; the first time value is one of the K1 candidate time values; the first sub-information is used to determine the K1 candidate time values The first time value is determined in the time value.
- the characteristics of the above method include: selecting a suitable candidate time value according to the parameters of the sender of the first information, which can optimize the first information and avoid the first information occupying excessive information bits.
- the control information overhead is too large, while ensuring that the user equipment obtains the accurate start time of the first signal.
- the first sub-information includes Q1 information bits
- the second sub-information includes Q2 information bits
- both Q1 and Q2 are positive integers
- the Q1 The sum with the Q2 is fixed
- the Q1 is related to the parameters of the sender of the first information.
- the parameter of the sender of the first information is used to determine whether the first sub-information is used to indicate the first time value.
- the characteristics of the above method include: when the parameters of the sender of the first information meet a condition, the first sub-information is used to indicate the first time value; the sender of the first information
- the parameter of includes the height of the sender of the first information; the parameter of the sender of the first information includes the type of the sender of the first information.
- the first sub-information and the second sub-information are used to determine the adjustment value of the timing advance.
- the second signal is used by the receiver of the second signal to determine the first sub-information and the second sub-information.
- the number of bits occupied by the first sub-information and the second sub-information are respectively configurable.
- This application discloses a method used in a second node of wireless communication, which is characterized in that it includes:
- the first information includes the first sub-information and the second sub-information; the first sub-information is used to determine the first time value, the second sub-information is used to determine K, and the K is non-negative Integer; the first time value and the K are used together to determine the start time of sending the first signal.
- the first signaling is used to determine K1 candidate time values; the first time value is one of the K1 candidate time values; the first sub-information is used to obtain information from the K1 Determine the first time value from among the candidate time values.
- the first sub-information includes Q1 information bits
- the second sub-information includes Q2 information bits
- both Q1 and Q2 are positive integers
- the Q1 The sum with the Q2 is fixed
- the Q1 is related to the parameters of the sender of the first information.
- the parameter of the second node is used to determine whether the first sub-information is used to indicate the first time value.
- the first sub-information and the second sub-information are used to determine the adjustment value of the timing advance.
- the second signal is used by the second node to determine the first sub-information and the second sub-information.
- the number of bits occupied by the first sub-information and the second sub-information are respectively configurable.
- This application discloses a first node used for wireless communication, which is characterized in that it includes:
- the first receiver receives the first information
- the first transmitter sends the first signal
- the first information includes the first sub-information and the second sub-information; the first sub-information is used to determine the first time value, the second sub-information is used to determine K, and the K is non-negative Integer; the first time value and the K are used together to determine the start time of sending the first signal.
- This application discloses a second node used for wireless communication, which is characterized in that it includes:
- the second transmitter sends the first information
- the second receiver receives the first signal
- the first information includes the first sub-information and the second sub-information; the first sub-information is used to determine the first time value, the second sub-information is used to determine K, and the K is non-negative Integer; the first time value and the K are used together to determine the start time of sending the first signal.
- this application has the following advantages:
- Timing advance command can make the same timing advance command suitable for communication scenarios with different delays, thereby ensuring that the transmission of timing advance is suitable for large delay scenarios.
- Fig. 1 shows a flow chart of the transmission of the first information and the first signal according to an embodiment of the present application
- Figure 2 shows a schematic diagram of a network architecture according to an embodiment of the present application
- Fig. 3 shows a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application
- Fig. 4 shows a schematic diagram of a first node and a second node according to an embodiment of the present application
- Fig. 5 shows a flow chart of wireless signal transmission according to an embodiment of the present application
- Fig. 6 shows a schematic diagram of sending the first sub-information and the second sub-information through TACMACCE according to an embodiment of the present application
- FIG. 7 shows a schematic diagram of sending the first sub-information and the second sub-information through MACRAR according to an embodiment of the present application
- FIG. 8 shows a schematic diagram of the number of information bits occupied by the first sub-information and the second sub-information according to an embodiment of the present application
- Fig. 9 shows a schematic diagram of K1 candidate time values according to an embodiment of the present application.
- FIG. 10 shows a schematic diagram in which a parameter of a sender of first information is used to determine whether the first sub-information is used to indicate the first time value according to an embodiment of the present application
- FIG. 11 shows a schematic diagram of the first sub-information and the second sub-information being used to determine the adjustment value of the timing advance according to an embodiment of the present application
- FIG. 12 shows a schematic diagram of a second signal used to determine the first sub-information and the second sub-information according to an embodiment of the present application
- Fig. 13 shows a structural block diagram of a processing device used in a first node according to an embodiment of the present application
- Fig. 14 shows a structural block diagram of a processing device used in a second node according to an embodiment of the present application
- FIG. 15 shows a schematic diagram of parameters used to determine K1 candidate time values according to an embodiment of the present application.
- FIG. 16 shows a schematic diagram of parameters used to determine K1 candidate time values according to another embodiment of the present application.
- Embodiment 1 illustrates a flow chart of the transmission of the first information and the first signal according to an embodiment of the present application, as shown in FIG. 1.
- each box represents a step, and it should be particularly emphasized that the order of each box in the figure does not represent the time sequence relationship between the steps shown.
- the first node in this application receives the first information in step 101; sends the first signal in step 102; the first information includes the first sub-information and the second sub-information; The first sub-information is used to determine the first time value, the second sub-information is used to determine K, and the K is a non-negative integer; the first time value and the K are used together to determine the The start time of the first signal.
- the first signal is a baseband signal.
- the first signal is a wireless signal.
- the first information is transmitted through higher layer signaling.
- the first information is transmitted through physical layer signaling.
- the first information includes all or part of a MAC (Medium Access Control) CE (Control Element, control element).
- MAC Medium Access Control
- CE Control Element, control element
- the first information includes all or part of MAC (Medium Access Control) TAC (Timing Advance Command) CE (Control Element, control element).
- MAC Medium Access Control
- TAC Transmission Advance Command
- CE Control Element, control element
- the first information includes all or part of MAC (Medium Access Control, Medium Access Control) RAR (Random Access Response, Random Access Response).
- MAC Medium Access Control
- RAR Random Access Response
- the first information is all or part of a timing advance command (Timing Advance Command, TAC).
- TAC Timing Advance Command
- the first information is used to determine the start time of sending the first signal.
- the first sub-information is transmitted through high-layer signaling.
- the first sub-information is transmitted through physical layer signaling.
- the first sub-information includes all or part of an IE (Information Element, information element) in an RRC (Radio Resource Control, radio resource control) signaling.
- IE Information Element, information element
- RRC Radio Resource Control, radio resource control
- the first sub-information includes all or part of a field (Field) in an IE (Information Element, information element) in an RRC (Radio Resource Control, radio resource control) signaling.
- Field Information Element, information element
- RRC Radio Resource Control, radio resource control
- the first sub-information is configurable.
- the first sub-information is configured by an RRC (Radio Resource Control, radio resource control) message.
- RRC Radio Resource Control, radio resource control
- the first sub-information includes all or part of a SIB (System Information Block, System Information Block) message.
- SIB System Information Block, System Information Block
- the first sub-information includes all or part of a MAC (Medium Access Control, Medium Access Control) CE (Control Element, control element).
- MAC Medium Access Control
- CE Control Element, control element
- the first sub-information includes all or part of MAC (Medium Access Control) TAC (Timing Advance Command) CE (Control Element, control element).
- MAC Medium Access Control
- TAC Transmission Advance Command
- CE Control Element, control element
- the first sub-information includes all or part of MAC (Medium Access Control, Medium Access Control) RAR (Random Access Response, Random Access Response).
- MAC Medium Access Control
- RAR Random Access Response
- the first sub-information is used in a random access (Random Access, RA) process.
- RA Random Access
- the first sub-information is used in the process of updating the timing advance.
- the first sub-information is used to indicate the first time value.
- the first sub-information explicitly indicates the first time value.
- the first sub-information implicitly indicates the first time value.
- the second sub-information is transmitted through high-layer signaling.
- the second sub-information is transmitted through physical layer signaling.
- the second sub-information includes all or part of a MAC (Medium Access Control, Medium Access Control) CE (Control Element, control element).
- MAC Medium Access Control
- CE Control Element, control element
- the second sub-information is all or part of MAC (Medium Access Control) TAC (Timing Advance Command) CE (Control Element, control element).
- MAC Medium Access Control
- TAC Transmission Advance Command
- CE Control Element, control element
- the second sub-information includes all or part of MAC (Medium Access Control, Medium Access Control) RAR (Random Access Response, Random Access Response).
- MAC Medium Access Control
- RAR Random Access Response
- the second sub-information is used in a random access procedure.
- the second sub-information is used to determine the index value of the timing advance.
- the second sub-information is a timing advance command (Timing Advance Command, TAC).
- TAC Timing Advance Command
- the second sub-information is used to determine the start time of sending the first signal.
- the second sub-information is used in a random access procedure.
- the second sub-information is used in the process of updating the timing advance.
- the second sub-information is used for uplink transmission after the random access procedure is completed.
- the second sub-information is used to determine the uplink transmission timing of the first signal.
- the first sub-information and the second sub-information are used in a random access procedure.
- the first sub-information and the second sub-information are used in a timing advance update process.
- the first sub-information and the second sub-information are used for uplink transmission after the random access procedure is completed.
- the first sub-information and the second sub-information are sent by the base station to the terminal device.
- the first sub-information and the second sub-information are sent in the same signaling.
- the first sub-information and the second sub-information are sent in different signaling.
- the first sub-information and the second sub-information are sent at the same time.
- the first sub-information and the second sub-information are not sent at the same time.
- the first sub-information and the second sub-information are jointly used to determine the uplink transmission timing of the first signal.
- the first sub-information and the second sub-information include all or part of Msg2 (message 2) in the random access process.
- the first sub-information and the second sub-information are transmitted through a DL-SCH (Downlink Shared Channel, downlink shared channel).
- DL-SCH Downlink Shared Channel, downlink shared channel
- the first sub-information and the second sub-information are transmitted through a PDSCH (Physical Downlink Shared Channel).
- PDSCH Physical Downlink Shared Channel
- the first sub-information and the second sub-information are cell specific (Cell Specific).
- the first sub-information and the second sub-information are UE-specific.
- the first sub-information and the second sub-information are UE group-specific.
- the first signal is transmitted through higher layer signaling.
- the first signal is transmitted through physical layer signaling.
- the first signal is sent on an uplink shared channel (Uplink Shared Channel, UL-SCH).
- Uplink Shared Channel UL-SCH
- the first signal includes at least one of ⁇ C-RNTI MAC CE, CCCH SDU ⁇ .
- the first signal is transmitted through PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel).
- PUSCH Physical Uplink Shared Channel, Physical Uplink Shared Channel
- the first signal is transmitted through PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel).
- PUCCH Physical Uplink Control Channel, Physical Uplink Control Channel
- the first signal is transmitted through SRS (Sounding Reference Signal, sounding reference signal).
- SRS Sounding Reference Signal, sounding reference signal
- the first signal is transmitted through UL DMRS (Uplink Demodulation Reference Signal, uplink demodulation reference signal).
- UL DMRS Uplink Demodulation Reference Signal, uplink demodulation reference signal
- the first signal is used in a random access procedure.
- the first signal includes all or part of Msg3 (message 3) in the random access process.
- the first signal carries a retransmission of Msg3 (message 3).
- the first signal carries an initial transmission of Msg3 (message 3).
- the first signal is used in an RRC (Radio Resource Control, radio resource control) connection establishment process.
- RRC Radio Resource Control, radio resource control
- the first signal includes all or part of an IE (Information Element, information element) in an RRC (Radio Resource Control, radio resource control) signaling.
- IE Information Element, information element
- RRC Radio Resource Control, radio resource control
- the first signal includes all or part of a field (Field) in an IE (Information Element) in an RRC (Radio Resource Control, radio resource control) signaling.
- Field Information Element
- RRC Radio Resource Control, radio resource control
- the first signal includes an RRCConnectionResumeRequest message.
- the first signal includes an RRCConnectionRequest message.
- the first signal includes a RRCEarlyDataRequest message.
- the first transmitter sends the first signal to the sender of the first information according to the timing advance.
- the first signal is uplink transmission of the first communication node device after the random access procedure is completed.
- the first time value is the time granularity of K.
- the first time value is the K time unit.
- the K is the index value of the timing advance.
- the K is the index value of the timing advance in the timing advance command (Timing Advance Command, TAC).
- the K first time values are timing advances.
- the K first time values are the total amount of timing advance.
- the K first time values are the total amount of time alignment.
- the K first time values are the start time of sending the first signal.
- the product of the first time value and the K is the start time of sending the first signal.
- the product of the first time value and the K is the total amount of timing advance.
- the sender of the first information calculates the first sub-information and the second sub-information through a random access preamble (Preamble) sent by the first node.
- Preamble random access preamble
- the sender of the first information calculates the first sub-information and the second sub-information according to the location (Location) information of the first node.
- the unit of the first time value is seconds (s).
- the unit of the first time value is milliseconds (ms).
- the unit of the first time value is microseconds ( ⁇ s).
- the unit of the first time value is several seconds (s).
- the unit of the first time value is several milliseconds (ms).
- the unit of the first time value is several microseconds ( ⁇ s).
- the unit of the first time value is a basic time unit.
- the basic time unit is the basic time unit (Basic time unit) T x of the existing wireless communication system.
- the basic time unit is a basic time unit (Basic time unit) Ty of the future wireless communication system.
- the first time value G is equal to 16 times the basic time unit T s.
- the first time value G T c is equal to a basic time unit of 16 ⁇ 64 / 2 ⁇ times, wherein, the value of [mu] ⁇ 0,1,2,3,4 ⁇ one, respectively Sub-carrier spacing ⁇ 15kHz, 30kHz, 60kHz, 120kHz, 240kHz ⁇ .
- the first time value G is equal to 16 ⁇ 64/2 ⁇ times the basic time unit T x , where the value of ⁇ is an integer greater than or equal to zero, and x is a symbol.
- the first time value G is equal to 16 ⁇ 64/2 ⁇ times the basic time unit Ty , where the value of ⁇ is an integer greater than or equal to zero, and y is a symbol.
- the first time value is related to Subcarrier Space (SCS).
- SCS Subcarrier Space
- the first time value has nothing to do with subcarrier spacing.
- the first time value is known to the base station and the terminal device.
- the first time value is configurable.
- the first time value is determined by the system.
- the first time value is configured by the base station to the terminal device through an RRC (Radio Resource Control, radio resource control) message.
- RRC Radio Resource Control, radio resource control
- the first time value is indicated by SIB (System Information Block).
- Embodiment 2 illustrates a schematic diagram of a network architecture according to an embodiment of the present application, as shown in FIG. 2.
- Figure 2 illustrates a diagram of a network architecture 200 of 5G NR (New Radio), LTE (Long-Term Evolution) and LTE-A (Long-Term Evolution Advanced) systems.
- the 5G NR or LTE network architecture 200 may be referred to as 5GS (5G System)/EPS (Evolved Packet System, evolved packet system) 200 some other suitable terminology.
- 5GS/EPS 200 may include one or more UE (User Equipment) 201, NG-RAN (Next Generation Radio Access Network) 202, 5GC (5G Core Network, 5G Core Network)/EPC (Evolved Packet Core, Evolved Packet Core) 210, HSS (Home Subscriber Server)/UDM (Unified Data Management) 220 and Internet Service 230.
- 5GS/EPS can be interconnected with other access networks, but for simplicity Show these entities/interfaces. As shown in the figure, 5GS/EPS provides packet switching services, but those skilled in the art will easily understand that various concepts presented throughout this application can be extended to networks that provide circuit switching services or other cellular networks.
- NG-RAN includes NR Node B (gNB) 203 and other gNB 204.
- gNB203 provides user and control plane protocol termination towards UE201.
- the gNB203 can be connected to other gNB204 via an Xn interface (for example, backhaul).
- the gNB203 may also be called a base station, base transceiver station, radio base station, radio transceiver, transceiver function, basic service set (BSS), extended service set (ESS), TRP (transmit and receive node), or some other suitable terminology.
- gNB203 provides UE201 with an access point to 5GC/EPC210.
- Examples of UE201 include cellular phones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, non-terrestrial base station communications, satellite mobile communications, global positioning systems, multimedia devices , Video devices, digital audio players (for example, MP3 players), cameras, game consoles, drones, aircraft, narrowband IoT devices, machine-type communication devices, land vehicles, automobiles, wearable devices, or any Other similar functional devices.
- SIP Session Initiation Protocol
- PDAs personal digital assistants
- satellite radios non-terrestrial base station communications
- satellite mobile communications global positioning systems
- multimedia devices Video devices
- digital audio players for example, MP3 players
- cameras game consoles
- drones aircraft
- narrowband IoT devices machine-type communication devices
- machine-type communication devices land vehicles, automobiles, wearable devices, or any Other similar functional devices.
- UE201 can also refer to UE201 as a mobile station, subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, Mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client or some other suitable term.
- gNB203 is connected to 5GC/EPC210 through the S1/NG interface.
- 5GC/EPC210 includes MME (Mobility Management Entity)/AMF (Authentication Management Field)/SMF (Session Management Function, session management function) 211.
- MME Mobility Management Entity
- AMF Authentication Management Field
- Session Management Function Session Management Function, session management function
- MME/AMF/SMF214 S-GW (Service Gateway)/UPF (User Plane Function, user plane function) 212, and P-GW (Packet Date Network Gateway, packet data network gateway)/UPF213.
- MME/AMF/SMF211 is a control node that processes the signaling between UE201 and 5GC/EPC210. In general, MME/AMF/SMF211 provides bearer and connection management. All user IP (Internet Protocol, Internet Protocol) packets are transmitted through S-GW/UPF212, and S-GW/UPF212 itself is connected to P-GW/UPF213. P-GW provides UE IP address allocation and other functions.
- the P-GW/UPF 213 is connected to the Internet service 230.
- the Internet service 230 includes the Internet protocol service corresponding to the operator, and specifically may include the Internet, Intranet, IMS (IP Multimedia Subsystem, IP Multimedia Subsystem), and packet switching streaming service.
- the UE201 corresponds to the first node in this application.
- the UE 201 supports transmission on a non-terrestrial network (NTN).
- NTN non-terrestrial network
- the UE 201 supports transmission in a network with a large delay difference.
- the UE 201 supports terrestrial network (TN) transmission.
- TN terrestrial network
- the gNB203 corresponds to the second node in this application.
- the gNB203 supports transmission on a non-terrestrial network (NTN).
- NTN non-terrestrial network
- the gNB203 supports transmission in a network with a large delay difference.
- the gNB203 supports terrestrial network (TN) transmission.
- TN terrestrial network
- the gNB203 is a MarcoCellular base station.
- the gNB203 is a micro cell (Micro Cell) base station.
- the gNB203 is a picocell (PicoCell) base station.
- the gNB203 is a Femtocell.
- the gNB203 is a base station device that supports a large delay difference.
- the gNB203 is a flight platform device.
- the gNB203 is a satellite device.
- Embodiment 3 shows a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to the present application, as shown in FIG. 3.
- Figure 3 is a schematic diagram illustrating an embodiment of the radio protocol architecture for the user plane 350 and the control plane 300.
- Figure 3 shows three layers for the first node (UE, satellite or aircraft in gNB or NTN) and the second Node (gNB, UE or satellite or aircraft in NTN), or the radio protocol architecture of the control plane 300 between two UEs: layer 1, layer 2, and layer 3.
- Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions.
- the L1 layer will be referred to as PHY301 herein.
- Layer 2 (L2 layer) 305 is above PHY301 and is responsible for the link between the first node and the second node and the two UEs through PHY301.
- L2 layer 305 includes MAC (Medium Access Control) sublayer 302, RLC (Radio Link Control, radio link layer control protocol) sublayer 303, and PDCP (Packet Data Convergence Protocol, packet data convergence protocol) sublayer 304. These sub-layers terminate at the second node.
- the PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels.
- the PDCP sublayer 304 also provides security by encrypting data packets, and provides support for handover between the second node and the first node.
- the RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception due to HARQ.
- the MAC sublayer 302 provides multiplexing between logical and transport channels.
- the MAC sublayer 302 is also responsible for allocating various radio resources (for example, resource blocks) in a cell among the first nodes.
- the MAC sublayer 302 is also responsible for HARQ operations.
- the RRC (Radio Resource Control) sublayer 306 in layer 3 (L3 layer) of the control plane 300 is responsible for obtaining radio resources (ie, radio bearers) and using the RRC information between the second node and the first node. Let to configure the lower layer.
- the radio protocol architecture of the user plane 350 includes layer 1 (L1 layer) and layer 2 (L2 layer).
- the radio protocol architecture used for the first node and the second node in the user plane 350 is for the physical layer 351 and the L2 layer 355.
- the PDCP sublayer 354, the RLC sublayer 353 in the L2 layer 355, and the MAC sublayer 352 in the L2 layer 355 are substantially the same as the corresponding layers and sublayers in the control plane 300, but the PDCP sublayer 354 also provides for the upper part
- the header of the layer data packet is compressed to reduce the radio transmission overhead.
- the L2 layer 355 in the user plane 350 also includes the SDAP (Service Data Adaptation Protocol) sublayer 356.
- SDAP Service Data Adaptation Protocol
- the SDAP sublayer 356 is responsible for the mapping between the QoS flow and the data radio bearer (DRB, Data Radio Bearer) To support business diversity.
- the first node may have several upper layers above the L2 layer 355, including a network layer (e.g., IP layer) terminating at the P-GW on the network side and terminating at the other end of the connection ( For example, the application layer at the remote UE, server, etc.).
- a network layer e.g., IP layer
- the wireless protocol architecture in FIG. 3 is applicable to the first node in this application.
- the wireless protocol architecture in FIG. 3 is applicable to the second node in this application.
- the first information in this application is generated in the RRC306.
- the first information in this application is generated in the MAC302 or MAC352.
- the first information in this application is generated in the PHY301 or PHY351.
- the first sub-information in this application is generated in the RRC306.
- the first sub-information in this application is generated in the MAC302 or MAC352.
- the first sub-information in this application is generated in the PHY301 or PHY351.
- the second sub-information in this application is generated in the RRC306.
- the second sub-information in this application is generated in the MAC302 or MAC352.
- the second sub-information in this application is generated in the PHY301 or PHY351.
- the first signal in this application is generated in the RRC306.
- the first signal in this application is generated in the MAC302 or MAC352.
- the first signal in this application is generated in the PHY301 or PHY351.
- the first signaling in this application is generated in the RRC306.
- the first signaling in this application is generated in the MAC302 or MAC352.
- the first signaling in this application is generated in the PHY301 or PHY351.
- the second signal in this application is generated in the RRC306.
- the second signal in this application is generated in the MAC302 or MAC352.
- the second signal in this application is generated in the PHY301 or PHY351.
- Embodiment 4 shows a schematic diagram of a first node and a second node according to the present application, as shown in FIG. 4.
- the first node (450) includes a controller/processor 490, a data source/buffer 480, a receiving processor 452, a transmitter/receiver 456, and a transmitting processor 455.
- the transmitter/receiver 456 includes an antenna 460.
- the data source/buffer 480 provides upper layer packets to the controller/processor 490, and the controller/processor 490 provides header compression and decompression, encryption and decryption, packet segmentation connection and reordering, and multiplexing between logic and transmission channels. Demultiplexing is used to implement the L2 layer and above protocols for the user plane and the control plane.
- the upper layer packets may include data or control information, such as DL-SCH or UL-SCH or SL-SCH.
- the transmission processor 455 implements various signal transmission processing functions for the L1 layer (ie, physical layer) including coding, interleaving, scrambling, modulation, power control/allocation, precoding, and physical layer control signaling generation, etc.
- the reception processor 452 implements various signal reception processing functions for the L1 layer (ie, physical layer) including decoding, deinterleaving, descrambling, demodulation, deprecoding, physical layer control signaling extraction, and the like.
- the transmitter 456 is used for converting the baseband signal provided by the transmitting processor 455 into a radio frequency signal and transmitting it via the antenna 460, and the receiver 456 is used for converting the radio frequency signal received by the antenna 460 into a baseband signal and providing it to the receiving processor 452.
- the second node (410) may include a controller/processor 440, a data source/buffer 430, a receiving processor 412, a transmitter/receiver 416, and a transmitting processor 415.
- the transmitter/receiver 416 includes an antenna 420 .
- the data source/buffer 430 provides upper layer packets to the controller/processor 440, and the controller/processor 440 provides header compression and decompression, encryption and decryption, packet segmentation connection and reordering, and multiplexing between logic and transmission channels. Use demultiplexing to implement the L2 layer protocol for the user plane and the control plane.
- the upper layer packet may include data or control information, such as DL-SCH or UL-SCH or SL-SCH.
- the transmission processor 415 implements various signal transmission processing functions for the L1 layer (ie, physical layer) including coding, interleaving, scrambling, modulation, power control/distribution, precoding, and physical layer signaling (including synchronization signals and reference Signal, etc.) generation, etc.
- the reception processor 412 implements various signal reception processing functions for the L1 layer (ie, physical layer) including decoding, deinterleaving, descrambling, demodulation, deprecoding, physical layer signaling extraction, and the like.
- the transmitter 416 is used for converting the baseband signal provided by the transmitting processor 415 into a radio frequency signal and transmitting it via the antenna 420, and the receiver 416 is used for converting the radio frequency signal received by the antenna 420 into a baseband signal and providing it to the receiving processor 412.
- upper layer packets such as the first information in this application and the upper layer information included in the first signaling
- the controller/processor 440 implements the functions of the L2 layer and above.
- the controller/processor 440 provides header compression, encryption, packet segmentation and reordering, multiplexing between logic and transport channels, and radio resources of the first node 450 based on various priority measures. distribution.
- the controller/processor 440 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the first node 450, such as the first information in this application and the high-level information included in the first signaling (if included) ) Are all generated in the controller/processor 440.
- the transmit processor 415 implements various signal processing functions for the L1 layer (ie, physical layer), including coding, interleaving, scrambling, modulation, power control/allocation, precoding, and physical layer control signaling generation, etc.
- L1 layer ie, physical layer
- This application The generation of the physical layer signal of the first information and the first signaling in the transmission processor 415 is completed, the generated modulation symbols are divided into parallel streams and each stream is mapped to the corresponding multi-carrier sub-carrier and/or multi-carrier symbol, and then The transmission processor 415 is mapped to the antenna 420 via the transmitter 416 and transmitted in the form of a radio frequency signal.
- each receiver 456 receives the radio frequency signal through its corresponding antenna 460, and each receiver 456 recovers the baseband information modulated onto the radio frequency carrier, and provides the baseband information to the receiving processor 452.
- the reception processor 452 implements various signal reception processing functions of the L1 layer.
- the signal reception processing function includes the reception of the physical layer signals corresponding to the first information and the first signaling in this application, etc., through the multi-carrier symbols in the multi-carrier symbol stream based on various modulation schemes (for example, binary phase shift Keying (BPSK), Quadrature Phase Shift Keying (QPSK)) demodulation, followed by descrambling, decoding and deinterleaving to recover the data or control transmitted by the second node 410 on the physical channel, and then combine the data and control signals Provided to the controller/processor 490.
- modulation schemes for example, binary phase shift Keying (BPSK), Quadrature Phase Shift Keying (QPSK)
- the controller/processor 490 is responsible for the L2 layer and above, and the controller/processor 490 interprets the first information in this application and the high-level information (if it includes high-level information) included in the first signaling.
- the controller/processor may be associated with a memory 480 that stores program codes and data.
- the memory 480 may be referred to as a computer-readable medium.
- the data source/buffer 480 is used to provide high-level data to the controller/processor 490.
- the first signal in this application is generated in the controller/processor 490.
- the data source/buffer 480 represents the L2 layer and all protocol layers above the L2 layer.
- the controller/processor 490 is implemented for user plane and control by providing header compression, encryption, packet segmentation and reordering, and multiplexing between logic and transport channels based on the radio resource allocation of the second node 410 Flat L2 layer protocol.
- the controller/processor 490 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the second node 410.
- the L2 layer signal of the first signal in this application is generated in the controller/processor 490.
- the transmission processor 455 implements various signal transmission processing functions for the L1 layer (ie, the physical layer), and the physical layer signals of the first signal and the second signal in the present application are generated by the transmission processor 455.
- Signal transmission processing functions include coding and interleaving to facilitate forward error correction (FEC) at the UE450 and pair based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift keying (QPSK))
- FEC forward error correction
- BPSK binary phase shift keying
- QPSK quadrature phase shift keying
- the baseband signal is modulated, the modulation symbols are divided into parallel streams and each stream is mapped to the corresponding multi-carrier sub-carrier and/or multi-carrier symbol, and then the transmit processor 455 is mapped to the antenna 460 via the transmitter 456 to transmit in the form of a radio frequency signal Get out.
- the receivers 416 receive radio frequency signals through its corresponding antenna 420, and each receiver 416 recovers the baseband information modulated onto the radio frequency carrier, and provides the baseband information to the receiving processor 412.
- the receiving processor 412 implements various signal receiving and processing functions for the L1 layer (ie, the physical layer), including receiving and processing the physical layer signals of the first signal and the second signal in this application, and the signal receiving processing function includes acquiring multi-carrier Symbol stream, and then demodulate the multi-carrier symbols in the multi-carrier symbol stream based on various modulation schemes (for example, binary phase shift keying (BPSK), quadrature phase shift keying (QPSK)), and then decode and decode Interleaving to recover the data and/or control signals originally transmitted by the first node 450 on the physical channel.
- BPSK binary phase shift keying
- QPSK quadrature phase shift keying
- the data and/or control signals are then provided to the controller/processor 440.
- the controller/processor 440 implements the functions of the L2 layer, including the interpretation of the information carried by the first signal in this application.
- the controller/processor may be associated with a buffer 430 that stores program codes and data.
- the buffer 430 may be a computer-readable medium.
- the first node 450 device includes: at least one processor and at least one memory, where the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the Used together with at least one processor, the first node 450 device includes at least: a first receiver, which receives first information; a first transmitter, which sends a first signal; wherein, the first information includes first sub-information and The second sub-information; the first sub-information is used to determine the first time value, the second sub-information is used to determine K, and the K is a non-negative integer; the first time value and the K are It is used together to determine the start time of sending the first signal.
- the first node 450 device includes: a memory storing a computer-readable instruction program, the computer-readable instruction program generates an action when executed by at least one processor, and the action includes: receiving the first A message; send a first signal; wherein, the first information includes a first sub-information and a second sub-information; the first sub-information is used to determine the first time value, and the second sub-information is used to Determine K, where K is a non-negative integer; the first time value and K are used together to determine the start time of sending the first signal.
- the second node 410 device includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the Use at least one processor together.
- the second node 410 device at least includes: a second transmitter, which sends first information; a second receiver, which receives a first signal; wherein, the first information includes first sub-information and second sub-information; The first sub-information is used to determine the first time value, the second sub-information is used to determine K, and the K is a non-negative integer; the first time value and the K are used together to determine the first time value.
- the start time of the transmission of a signal is a non-negative integer
- the second node 410 includes: a memory storing a computer-readable instruction program, the computer-readable instruction program generates an action when executed by at least one processor, and the action includes: sending a first Information; receiving a first signal; wherein the first information includes a first sub-information and a second sub-information; the first sub-information is used to determine the first time value, and the second sub-information is used to determine K, the K is a non-negative integer; the first time value and the K are used together to determine the sending start time of the first signal.
- the first node 450 is a user equipment.
- the first node 450 is a user equipment that supports a large delay difference.
- the first node 450 is a user equipment supporting NTN.
- the first node 450 is an aircraft device.
- the second node 410 is a base station device (gNB/eNB).
- the second node 410 is a base station device supporting a large delay difference.
- the second node 410 is a base station device supporting NTN.
- the second node 410 is a satellite device.
- the second node 410 is a flight platform device.
- the receiver 456 (including the antenna 460), the receiving processor 452 and the controller/processor 490 are used in this application to receive the first information.
- the receiver 456 (including the antenna 460), the receiving processor 452 and the controller/processor 490 are used in this application to receive the first signaling.
- the transmitter 456 (including the antenna 460), the transmission processor 455 and the controller/processor 490 are used to transmit the first signal in this application.
- the transmitter 456 (including the antenna 460), the transmission processor 455 and the controller/processor 490 are used to transmit the second signal in this application.
- the receiver 416 (including the antenna 420), the transmitting processor 415 and the controller/processor 440 are used to transmit the first signal in this application.
- the receiver 416 (including the antenna 420), the transmitting processor 415 and the controller/processor 440 are used to transmit the second signal in this application.
- the transmitter 416 (including the antenna 420), the transmission processor 415, and the controller/processor 440 are used to send the first signaling in this application.
- the transmitter 416 (including the antenna 420), the transmission processor 415, and the controller/processor 440 are used to transmit the first information in this application.
- Embodiment 5 illustrates a wireless signal transmission flowchart according to an embodiment of the present application, as shown in FIG. 5.
- the second node N02 is the serving cell base station of the first node U01. It is particularly noted that the sequence in this example does not limit the signal transmission sequence and the implementation sequence in this application.
- step S5201 For the second node N02 to, send a first signaling in step S5201, the second received signal in step S5202, step S5203 transmits a first message, the first signal is received in step S5204.
- the received first signaling in step S5101 transmits a second signal in step S5102, in step S5103 receives the first information, the first transmission signal in step S5104.
- the first information in this application includes the first sub-information and the second sub-information; the first sub-information is used to determine the first time value, and the second sub-information is used to Determine K, where K is a non-negative integer; the first time value and K are used together to determine the start time of sending the first signal.
- the first sub-information includes Q1 information bits, and the second sub-information includes Q2 information bits; both Q1 and Q2 are positive integers, and the sum of Q1 and Q2 is fixed;
- the Q1 is related to the parameters of the second node N02.
- the first signaling is used to determine K1 candidate time values; the first time value is one of the K1 candidate time values; the first sub-information is used to determine the K1 candidate time values The first time value is determined in the time value.
- the second signal is used by the receiver of the second signal to determine the first sub-information and the second sub-information.
- the parameter of the second node N02 is used to determine whether the first sub-information is used to indicate the first time value.
- the first sub-information and the second sub-information are used to determine the adjustment value of the timing advance.
- the second signal is a baseband signal.
- the second signal is a wireless signal.
- the first information is transmitted through higher layer signaling.
- the first information is transmitted through physical layer signaling.
- the first information includes all or part of a MAC (Medium Access Control) CE (Control Element, control element).
- MAC Medium Access Control
- CE Control Element, control element
- the first information includes all or part of MAC (Medium Access Control) TAC (Timing Advance Command) CE (Control Element, control element).
- MAC Medium Access Control
- TAC Transmission Advance Command
- CE Control Element, control element
- the first information includes all or part of MAC (Medium Access Control, Medium Access Control) RAR (Random Access Response, Random Access Response).
- MAC Medium Access Control
- RAR Random Access Response
- the first information is all or part of a timing advance command (Timing Advance Command, TAC).
- TAC Timing Advance Command
- the first information is used to determine the start time of sending the first signal.
- the first sub-information is transmitted through high-layer signaling.
- the first sub-information is transmitted through physical layer signaling.
- the first sub-information includes all or part of an IE (Information Element, information element) in an RRC (Radio Resource Control, radio resource control) signaling.
- IE Information Element, information element
- RRC Radio Resource Control, radio resource control
- the first sub-information includes all or part of a field (Field) in an IE (Information Element, information element) in an RRC (Radio Resource Control, radio resource control) signaling.
- Field Information Element, information element
- RRC Radio Resource Control, radio resource control
- the first sub-information is configurable.
- the first sub-information is configured by an RRC (Radio Resource Control, radio resource control) message.
- RRC Radio Resource Control, radio resource control
- the first sub-information includes all or part of a SIB (System Information Block, System Information Block) message.
- SIB System Information Block, System Information Block
- the first sub-information includes all or part of a MAC (Medium Access Control, Medium Access Control) CE (Control Element, control element).
- MAC Medium Access Control
- CE Control Element, control element
- the first sub-information includes all or part of MAC (Medium Access Control) TAC (Timing Advance Command) CE (Control Element, control element).
- MAC Medium Access Control
- TAC Transmission Advance Command
- CE Control Element, control element
- the first sub-information includes all or part of MAC (Medium Access Control, Medium Access Control) RAR (Random Access Response, Random Access Response).
- MAC Medium Access Control
- RAR Random Access Response
- the first sub-information is used in a random access (Random Access, RA) process.
- RA Random Access
- the first sub-information is used in the process of updating the timing advance.
- the first sub-information is used for uplink transmission after the random access procedure is completed.
- the first sub-information is used to indicate the first time value.
- the first sub-information explicitly indicates the first time value.
- the first sub-information implicitly indicates the first time value.
- the second sub-information is transmitted through high-layer signaling.
- the second sub-information is transmitted through physical layer signaling.
- the second sub-information includes all or part of a MAC (Medium Access Control, Medium Access Control) CE (Control Element, control element).
- MAC Medium Access Control
- CE Control Element, control element
- the second sub-information is all or part of MAC (Medium Access Control) TAC (Timing Advance Command) CE (Control Element, control element).
- MAC Medium Access Control
- TAC Transmission Advance Command
- CE Control Element, control element
- the second sub-information includes all or part of MAC (Medium Access Control, Medium Access Control) RAR (Random Access Response, Random Access Response).
- MAC Medium Access Control
- RAR Random Access Response
- the second sub-information is used in a random access procedure.
- the second sub-information is used to determine the index value of the timing advance.
- the second sub-information includes a timing advance command (Timing Advance Command, TAC).
- TAC Timing Advance Command
- the second sub-information is used to determine the start time of sending the first signal.
- the second sub-information is used in a random access procedure.
- the second sub-information is used in the process of updating the timing advance.
- the second sub-information is used for uplink transmission after the random access procedure is completed.
- the second sub-information is used to determine the uplink transmission timing of the first signal.
- the first sub-information and the second sub-information are used in a random access procedure.
- the first sub-information and the second sub-information are used in a timing advance update process.
- the first sub-information and the second sub-information are used for uplink transmission after the random access procedure is completed.
- the first sub-information and the second sub-information are sent by the base station to the terminal device.
- the first sub-information and the second sub-information are sent in the same signaling.
- the first sub-information and the second sub-information are sent in different signaling.
- the first sub-information and the second sub-information are sent at the same time.
- the first sub-information and the second sub-information are not sent at the same time.
- the first sub-information and the second sub-information are jointly used to determine the uplink transmission timing of the first signal.
- the first sub-information and the second sub-information include all or part of Msg2 (message 2) in the random access process.
- the first sub-information and the second sub-information are transmitted through a DL-SCH (Downlink Shared Channel, downlink shared channel).
- DL-SCH Downlink Shared Channel, downlink shared channel
- the first sub-information and the second sub-information are transmitted through a PDSCH (Physical Downlink Shared Channel).
- PDSCH Physical Downlink Shared Channel
- the first sub-information and the second sub-information are cell specific (Cell Specific).
- the first sub-information and the second sub-information are UE-specific.
- the first sub-information and the second sub-information are UE group-specific.
- the first signal is transmitted through higher layer signaling.
- the first signal is transmitted through physical layer signaling.
- the first signal is sent on an uplink shared channel (Uplink Shared Channel, UL-SCH).
- Uplink Shared Channel UL-SCH
- the first signal includes at least one of ⁇ C-RNTI MAC CE, CCCH SDU ⁇ .
- the first signal is transmitted through PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel).
- PUSCH Physical Uplink Shared Channel, Physical Uplink Shared Channel
- the first signal is transmitted through PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel).
- PUCCH Physical Uplink Control Channel, Physical Uplink Control Channel
- the first signal is transmitted through SRS (Sounding Reference Signal, sounding reference signal).
- SRS Sounding Reference Signal, sounding reference signal
- the first signal is transmitted through UL DMRS (Uplink Demodulation Reference Signal, uplink demodulation reference signal).
- UL DMRS Uplink Demodulation Reference Signal, uplink demodulation reference signal
- the first signal is used in a random access procedure.
- the first signal includes all or part of Msg3 (message 3) in the random access process.
- the first signal carries a retransmission of Msg3 (message 3).
- the first signal carries an initial transmission of Msg3 (message 3).
- the first signal is used in an RRC (Radio Resource Control, radio resource control) connection establishment process.
- RRC Radio Resource Control, radio resource control
- the first signal includes all or part of an IE (Information Element, information element) in an RRC (Radio Resource Control, radio resource control) signaling.
- IE Information Element, information element
- RRC Radio Resource Control, radio resource control
- the first signal includes all or part of a field (Field) in an IE (Information Element) in an RRC (Radio Resource Control, radio resource control) signaling.
- Field Information Element
- RRC Radio Resource Control, radio resource control
- the first signal includes an RRCConnectionResumeRequest message.
- the first signal includes an RRCConnectionRequest message.
- the first signal includes a RRCEarlyDataRequest message.
- the first transmitter sends the first signal to the sender of the first information according to the timing advance.
- the first signal is uplink transmission of the first communication node device after the random access procedure is completed.
- the second signal carries MSG1 (message 1).
- the second signal is a random access request (Random Access Request) message.
- the second signal is sent on PRACH (Physical Random Access Channel, Physical Random Access Channel).
- PRACH Physical Random Access Channel, Physical Random Access Channel
- the second signal is a physical layer (L1) message.
- the second signal is a random access preamble (Preamble) sequence.
- Preamble random access preamble
- the second signal is SRS (Sounding Reference Signal, uplink sounding reference signal), DMRS (Demodulation Reference Signal, demodulation reference signal), CQI (ChannelQuality Information, channel quality information), ACK (Acknowledgement), NACK (Negative Acknowledgement), or at least one of PUSCH (Physical Uplink Shared Channel).
- SRS Sounding Reference Signal, uplink sounding reference signal
- DMRS Demodulation Reference Signal, demodulation reference signal
- CQI Channel Quality Information
- ACK Acknowledgement
- NACK Negative Acknowledgement
- PUSCH Physical Uplink Shared Channel
- the second signal is selected by the first node U01.
- the second signal is allocated by the second node N02 to the first node U01.
- the second signal is independently selected by the first node.
- the second signal is allocated by the second node to the first node.
- the receiver of the second signal determines the first sub-information and the second sub-information by measuring the second signal.
- the first signaling is high-layer signaling.
- the first signaling is physical layer signaling.
- the first signaling includes all or part of a high-layer signaling.
- the first signaling includes all or part of a physical layer signaling.
- the first signaling is broadcast.
- the first signaling is unicast.
- the first signaling is cell specific (Cell Specific).
- the first signaling is UE-specific.
- the first signaling includes all or part of a MAC (Medium Access Control, Medium Access Control) CE (Control Element, control element).
- MAC Medium Access Control
- CE Control Element, control element
- the first signaling includes all or part of MAC (Medium Access Control) TAC (Timing Advance Command) CE (Control Element, control unit).
- MAC Medium Access Control
- TAC Transmission Advance Command
- CE Control Element, control unit
- the first signaling includes all or part of MAC (Medium Access Control, Medium Access Control) RAR (Random Access Response, Random Access Response).
- MAC Medium Access Control
- RAR Random Access Response
- the first signaling is transmitted through an air interface.
- the first signaling is transmitted through a Uu interface.
- the first signaling is transmitted through a wireless interface.
- the first time value is the time granularity of K.
- the first time value is the K time unit.
- the K is the index value of the timing advance.
- the K is the index value of the timing advance in the timing advance command (Timing Advance Command, TAC).
- the K first time values are timing advances.
- the K first time values are the total amount of timing advance.
- the K first time values are the total amount of time alignment.
- the K first time values are the start time of sending the first signal.
- the product of the first time value and the K is the start time of sending the first signal.
- the product of the first time value and the K is the total amount of timing advance.
- the sender of the first information calculates the first sub-information and the second sub-information through a random access preamble (Preamble) sent by the first node.
- Preamble random access preamble
- the sender of the first information calculates the first sub-information and the second sub-information according to the location (Location) information of the first node.
- the unit of the first time value is seconds (s).
- the unit of the first time value is milliseconds (ms).
- the unit of the first time value is microseconds ( ⁇ s).
- the unit of the first time value is several seconds (s).
- the unit of the first time value is several milliseconds (ms).
- the unit of the first time value is several microseconds ( ⁇ s).
- the unit of the first time value is a basic time unit.
- the basic time unit is the basic time unit (Basic time unit) T x of the existing wireless communication system.
- the basic time unit is a basic time unit (Basic time unit) Ty of the future wireless communication system.
- the first time value G is equal to 16 times the basic time unit T s.
- the first time value G T c is equal to a basic time unit of 16 ⁇ 64 / 2 ⁇ times, wherein, the value of [mu] ⁇ 0,1,2,3,4 ⁇ one, respectively Sub-carrier spacing ⁇ 15kHz, 30kHz, 60kHz, 120kHz, 240kHz ⁇ .
- the first time value G is equal to 16 ⁇ 64/2 ⁇ times the basic time unit T x , where the value of ⁇ is an integer greater than or equal to zero, and x is a symbol.
- the first time value G is equal to 16 ⁇ 64/2 ⁇ times the basic time unit Ty , where the value of ⁇ is an integer greater than or equal to zero, and y is a symbol.
- the first time value is related to Subcarrier Space (SCS).
- SCS Subcarrier Space
- the first time value has nothing to do with subcarrier spacing.
- the first time value is configurable.
- the first time value is determined by the system.
- the first time value is configured by the base station to the terminal device through an RRC (Radio Resource Control, radio resource control) message.
- RRC Radio Resource Control, radio resource control
- the first time value is indicated by SIB (System Information Block).
- Embodiment 6 illustrates a schematic diagram of sending the first sub-information and the second sub-information through TAC (Timing Advance Command, Timing Advance Command) MAC (Medium Access Control) CE (Control Element, control element) according to an embodiment of the present application , As shown in Figure 6.
- TAC Transmission Advance Command, Timing Advance Command
- MAC Medium Access Control
- CE Control Element, control element
- FIG. 6 is a structure of TACMACCE. As shown in FIG. 6, the first sub-information is used to determine the first time value, and the second sub-information is used to determine the K
- the K is a non-negative integer; the first time value and the K are used together to determine the start time of sending the first signal.
- the first sub-information and the second sub-information are transmitted through higher layer signaling.
- the first sub-information and the second sub-information include all or part of a MAC (Medium Access Control) CE (Control Element, control element).
- MAC Medium Access Control
- CE Control Element, control element
- the first sub-information and the second sub-information include all or part of MAC (Medium Access Control) TAC (Timing Advance Command) CE (Control Element, control element).
- MAC Medium Access Control
- TAC Transmission Advance Command
- CE Control Element, control element
- the first sub-information includes MAC (Medium Access Control, media access control) TAC (Timing Advance Command, timing advance command) CE (Control Element, control element) part.
- MAC Medium Access Control, media access control
- TAC Transmission Advance Command, timing advance command
- CE Control Element, control element
- the second sub-information includes MAC (Medium Access Control, media access control) TAC (Timing Advance Command, timing advance command) CE (Control Element, control element) part.
- MAC Medium Access Control, media access control
- TAC Transmission Advance Command, timing advance command
- CE Control Element, control element
- the MAC Medium Access Control, media access control
- TAC Timing Advance Command, timing advance command
- CE Control Element, control unit
- TAGId TAGId
- the TAGId is a timing advance group identifier (TimingAdvanceGroupIdentity).
- the TAGId includes 2 information bits.
- the timing advance changes when the timing advance changes, the first sub-information and the second sub-information are displayed in the MAC (Medium Access Control, medium access control).
- TAC TransmissionAdvanceCommand, timing advance command
- CE ControlElement, control unit
- the first time value is a part of a timing advance command (Timing Advance Command, TAC).
- TAC Timing Advance Command
- the K is a part of a timing advance command (Timing Advance Command, TAC).
- TAC Timing Advance Command
- the first time value and the K are timing advance commands (Timing Advance Command, TAC).
- the first time value is all or part of the MAC (Medium Access Control) TAC (Timing Advance Command) CE (Control Element, control unit).
- MAC Medium Access Control
- TAC Transmission Advance Command
- CE Control Element, control unit
- the K is all or part of the MAC (Medium Access Control) TAC (Timing Advance Command) CE (Control Element, control element).
- the first sub-information is the temporal granularity of the K.
- the first sub-information is an index value of the first time value G.
- the first sub-information explicitly indicates the first time value.
- the first sub-information implicitly indicates the first time value.
- the first sub-information is configurable.
- the first sub-information is sent through RRC (Radio Resource Control, radio resource control) signaling.
- RRC Radio Resource Control, radio resource control
- the first sub-information is configured by an RRC (Radio Resource Control, radio resource control) message.
- RRC Radio Resource Control, radio resource control
- the first sub-information is all or part of a SIB (System Information Block, System Information Block) message.
- SIB System Information Block, System Information Block
- the K is a timing advance index value.
- the K is sent through the second sub-information.
- the first sub-information and the second sub-information are sent by the base station to the terminal device.
- the first time value is known on the base station side and the terminal device side.
- the first time value is configurable.
- the first time value is determined by the system.
- the first time value is related to Subcarrier Space (SCS).
- SCS Subcarrier Space
- the first time value has nothing to do with subcarrier spacing.
- the unit of the first time value is a basic time unit.
- the basic time unit is the basic time unit (Basic time unit) T x of the existing wireless communication system.
- the basic time unit is a basic time unit (Basic time unit) Ty of the future wireless communication system.
- the first time value G is equal to 16 times the basic time unit T s.
- the first time value G T c is equal to a basic time unit of 16 ⁇ 64 / 2 ⁇ times, wherein, the value of [mu] ⁇ 0,1,2,3,4 ⁇ one, respectively Sub-carrier spacing ⁇ 15kHz, 30kHz, 60kHz, 120kHz, 240kHz ⁇ .
- the first time value G is equal to 16 ⁇ 64/2 ⁇ times the basic time unit T x , where the value of ⁇ is an integer greater than or equal to zero, and x is a symbol.
- the first time value G is equal to 16 ⁇ 64/2 ⁇ times the basic time unit Ty , where the value of ⁇ is an integer greater than or equal to zero, and y is a symbol.
- the unit of the first time value is several seconds (s).
- the unit of the first time value is several milliseconds (ms).
- the unit of the first time value is several microseconds ( ⁇ s).
- the unit of the first time value is seconds (s).
- the unit of the first time value is milliseconds (ms).
- the unit of the first time value is microseconds ( ⁇ s).
- the first sub-information and the second sub-information are used to determine the adjustment value of the timing advance.
- the first sub-information and the second sub-information indicate adjustment values of the timing advance.
- the adjustment value of the timing advance is a positive number.
- the adjustment value of the timing advance is a negative number.
- the adjustment value of the timing advance is zero.
- Embodiment 7 illustrates a schematic diagram of sending the first sub-information and the second sub-information through MAC (Medium Access Control, medium access control) RAR (Random Access Response, random access response) according to an embodiment of the present application, as shown in FIG. 7 Show.
- MAC Medium Access Control, medium access control
- RAR Random Access Response, random access response
- Figure 7 is a MAC (Medium Access Control, Medium Access Control) RAR (Random Access Response, Random Access Response) structure.
- the first sub-information is used to determine the first sub-information.
- a time value, the second sub-information is used to determine the K, and the K is a non-negative integer; the first time value and the K are used together to determine the sending start time of the first signal .
- the first sub-information and the second sub-information are transmitted through higher layer signaling.
- the first sub-information and the second sub-information include MAC (Medium Access Control, medium access control) RAR (Random Access Response, random access response) part.
- MAC Medium Access Control, medium access control
- RAR Random Access Response, random access response
- the first sub-information includes a MAC (Medium Access Control, Medium Access Control) RAR (Random Access Response, Random Access Response) part.
- MAC Medium Access Control
- RAR Random Access Response
- the second sub-information includes a MAC (Medium Access Control, medium access control) RAR (Random Access Response, random access response) part.
- MAC Medium Access Control, medium access control
- RAR Random Access Response, random access response
- the first sub-information and the second sub-information are part of MACRARPayload (payload).
- the first sub-information is part of MACRARPayload (payload).
- the second sub-information is part of MACRARPayload (payload).
- the first sub-information and the second sub-information are sent through MACRAR.
- the first sub-information and the second sub-information are sent in the MACRAR.
- the MAC Medium Access Control
- RAR Random Access Response, Random Access Response
- R includes a reserved bit field R, and the R is set to 0.
- the MAC Medium Access Control
- RAR Random Access Response
- UL Grant Uplink Grant (Authorization) field
- the UL Grant field indicates that it is used for uplink Road resources
- the UL Grant field includes 27 information bits.
- the MAC Medium Access Control
- RAR Random Access Response, random access response
- the MAC includes a temporary (Temporary) C-RNTI (Cell-RadioNetworkTemporaryIdentifier, cell radio network temporary identifier) field
- the C-RNTI field indicates the temporary identity used for the MAC entity in the random access phase
- the temporary C-RNTI field includes 16 information bits.
- the first time value is all or part of a timing advance command (Timing Advance Command, TAC).
- TAC Timing Advance Command
- the K is all or part of a timing advance command (Timing Advance Command, TAC).
- TAC Timing Advance Command
- the first time value and the K are all or part of a timing advance command (Timing Advance Command, TAC).
- TAC Timing Advance Command
- the first sub-information is the first time value.
- the second sub-information is the K.
- the first sub-information is the temporal granularity of the K.
- the first sub-information is an index value of the first time value G.
- the first sub-information explicitly indicates the first time value.
- the first sub-information implicitly indicates the first time value.
- the first sub-information is configurable.
- the K is a timing advance index value.
- the K is sent through the second sub-information.
- the first sub-information and the second sub-information are sent by the base station to the terminal device.
- the first sub-information and the second sub-information are sent through MACCE.
- the first time value is known to the base station and the terminal device.
- the first time value is configurable.
- the first time value is determined by the system.
- the first time value is configured by the base station to the terminal device through an RRC (Radio Resource Control, radio resource control) message.
- RRC Radio Resource Control, radio resource control
- the first time value is indicated by SIB (System Information Block).
- the first time value is related to Subcarrier Space (SCS).
- SCS Subcarrier Space
- the first time value has nothing to do with subcarrier spacing.
- the unit of the first time value is a basic time unit.
- the basic time unit is the basic time unit (Basic time unit) T x of the existing wireless communication system.
- the basic time unit is a basic time unit (Basic time unit) Ty of the future wireless communication system.
- the first time value G is equal to 16 times the basic time unit T s.
- the first time value G T c is equal to a basic time unit of 16 ⁇ 64 / 2 ⁇ times, wherein, the value of [mu] ⁇ 0,1,2,3,4 ⁇ one, respectively Sub-carrier spacing ⁇ 15kHz, 30kHz, 60kHz, 120kHz, 240kHz ⁇ .
- the first time value G is equal to 16 ⁇ 64/2 ⁇ times the basic time unit T x , where the value of ⁇ is an integer greater than or equal to zero, and x is a symbol.
- the first time value G is equal to 16 ⁇ 64/2 ⁇ times the basic time unit Ty , where the value of ⁇ is an integer greater than or equal to zero, and y is a symbol.
- the unit of the first time value is several seconds (s).
- the unit of the first time value is several milliseconds (ms).
- the unit of the first time value is several microseconds ( ⁇ s).
- the unit of the first time value is seconds (s).
- the unit of the first time value is milliseconds (ms).
- the unit of the first time value is microseconds ( ⁇ s).
- Embodiment 8 illustrates a schematic diagram of the number of information bits occupied by the first sub-information and the second sub-information according to an embodiment of the present application, as shown in FIG. 8.
- the first information includes first sub-information and second sub-information; the first sub-information includes Q1 information bits, and the second sub-information includes Q2 information bits.
- the Q1 and the Q2 are both positive integers; the Q1 is related to the parameters of the sender of the first information.
- the first information includes the first sub-information and the second sub-information.
- the first information includes a sum of information bits of the Q1 and the Q2.
- the Q1 and the Q2 are all or part of an RRC (Radio Resource Control, radio resource control) message.
- RRC Radio Resource Control, radio resource control
- the Q1 and the Q2 are all or part of a MAC (Medium Access Control, media access control) message.
- MAC Medium Access Control, media access control
- the Q1 and the Q2 are configurable respectively.
- the sum of Q1 and Q2 is fixed.
- the Q1 and the Q2 are variable.
- the Q1 is fixed, and the Q2 is variable.
- the Q1 is variable and the Q2 is fixed.
- the parameter of the sender of the first information includes the height of the sender of the first information.
- the height of the sender of the first information refers to the distance between the first node and the sender of the first information.
- the altitude of the sender of the first information refers to the altitude of the sender of the first information.
- the height of the sender of the first information refers to the vertical distance between the sender of the first information and the ground.
- the greater the height of the sender of the first information the smaller the Q1 and the larger the Q2.
- the parameter of the sender of the first information includes the type of the sender of the first information.
- the type of the sender of the first information is a non-ground network base station.
- the type of the sender of the first information is GEO (Geostationary Earth Orbiting, synchronous earth orbit) satellite, MEO (Medium Earth Orbiting, medium earth orbit) satellite, LEO (Low Earth Orbit, low earth orbit) satellite, HEO One of (Highly Elliptical Orbiting) satellite and Airborne Platform.
- GEO Global System for Mobile Communications
- MEO Medium Earth Orbiting, medium earth orbit
- LEO Low Earth Orbit, low earth orbit
- the type of the sender of the first information is a ground network base station.
- the ground network base station is one of a cellular base station (Cellular Base Station), a micro cell (Micro Cell) base station, a pico cell (PicoCell) base station, a femtocell (Femtocell), an eNB, or a gNB.
- Cellular Base Station Cellular Base Station
- Micro Cell Micro Cell
- PicoCell pico cell
- Femtocell femtocell
- eNB evolved Node B
- gNB gNode B
- the types of senders of the first information are different, and the allocation ratios of the Q1 and the Q2 are different.
- Embodiment 9 illustrates a schematic diagram of K1 candidate time values according to an embodiment of the present application, as shown in FIG. 9.
- the second node sends first signaling to the first node; the first signaling is used to determine K1 candidate time values; the first time value is among the K1 candidate time values One of; the first sub-information is used to determine the first time value from the K1 candidate time values.
- the first signaling is high-layer signaling.
- the first signaling is physical layer signaling.
- the first signaling includes all or part of a high-layer signaling.
- the first signaling includes all or part of a physical layer signaling.
- the first signaling is broadcast.
- the first signaling is unicast.
- the first signaling is cell specific (Cell Specific).
- the first signaling is UE-specific.
- the first signaling includes all or part of a MAC (Medium Access Control, Medium Access Control) CE (Control Element, control element).
- MAC Medium Access Control
- CE Control Element, control element
- the first signaling includes all or part of MAC (Medium Access Control) TAC (Timing Advance Command) CE (Control Element, control unit).
- MAC Medium Access Control
- TAC Transmission Advance Command
- CE Control Element, control unit
- the first signaling includes all or part of MAC (Medium Access Control, Medium Access Control) RAR (Random Access Response, Random Access Response).
- MAC Medium Access Control
- RAR Random Access Response
- the first signaling is transmitted through an air interface.
- the first signaling is transmitted through a Uu interface.
- the first signaling is transmitted through a wireless interface.
- the second node is a base station
- the first node is user equipment
- the K1 candidate time values are configured by RRC (Radio Resource Control, radio resource control) signaling.
- RRC Radio Resource Control, radio resource control
- the K1 candidate time values are broadcast by a system information block (System Information Block, SIB).
- SIB System Information Block
- the K1 candidate time values are configured during network planning.
- the first sub-information is an index value of the first time value among the K1 candidate time values.
- different values of the first sub-information indicate different first time values.
- the K1 is equal to 1, the first sub-information defaults, and the default value of the first sub-information implicitly indicates the first time value.
- the K1 is equal to 2
- the K1 candidate time values include the first candidate time value and the second candidate time value
- the first sub-information occupies 1 bit, where , Bit 0 represents the first candidate time value, and bit 1 represents the second candidate time value.
- the K1 is equal to 3, and the K1 candidate time values include the first candidate time value, the second candidate time value, and the third candidate time value.
- One piece of information occupies 2 bits, where bit 00 represents the first candidate time value, bit 01 represents the second candidate time value, and bit 10 represents the third candidate time value.
- the K1 is equal to 4
- the K1 candidate time values include the first candidate time value, the second candidate time value, the third candidate time value, and the fourth
- the first sub-information occupies 2 bits, where bit 00 represents the first candidate time value, bit 01 represents the second candidate time value, and bit 10 represents the third candidate time value.
- bit 11 represents the fourth candidate time value.
- the K1 candidate time values include 64Ts, 128Tc, 256Tc, 512Tc, and 1024Tc.
- the K1 candidate time values include 16, 64, 128, 256, 512, and 1024.
- Embodiment 10 illustrates a schematic diagram in which the parameters of the sender of the first information according to an embodiment of the present application are used to determine whether the first sub-information is used to indicate the first time value; as shown in FIG. 10 Show.
- the parameter of the sender of the first information includes the height of the sender of the first information.
- the height of the sender of the first information refers to the distance between the first node and the sender of the first information.
- the altitude of the sender of the first information refers to the altitude of the sender of the first information.
- the height of the sender of the first information refers to the vertical distance between the sender of the first information and the ground.
- the first sub-information is used to indicate the first time value.
- the first sub-information is not used to indicate the first time value, and the first time value is fixed.
- the first threshold is configurable.
- the parameter of the sender of the first information includes the type of the sender of the first information.
- the type of the sender of the first information is a non-ground network base station.
- the type of the sender of the first information is GEO (Geostationary Earth Orbiting, synchronous earth orbit) satellite, MEO (Medium Earth Orbiting, medium earth orbit) satellite, LEO (Low Earth Orbit, low earth orbit) satellite, HEO One of (Highly Elliptical Orbiting) satellite and Airborne Platform.
- GEO Global System for Mobile Communications
- MEO Medium Earth Orbiting, medium earth orbit
- LEO Low Earth Orbit, low earth orbit
- the type of the sender of the first information is a ground network base station.
- the ground network base station is one of a cellular base station (Cellular Base Station), a micro cell (Micro Cell) base station, a pico cell (PicoCell) base station, a femtocell (Femtocell), an eNB, or a gNB.
- Cellular Base Station Cellular Base Station
- Micro Cell Micro Cell
- PicoCell pico cell
- Femtocell femtocell
- eNB evolved Node B
- gNB gNode B
- the type of the second node is one of non-terrestrial communication base stations, and the first sub-information is used to indicate the first time value.
- the type of the second node is one of the ground communication base stations, the first sub-information is not used to indicate the first time value, and the first time value is fixed.
- Embodiment 11 illustrates a schematic diagram of the first sub-information and the second sub-information being used to determine the adjustment value of the timing advance according to an embodiment of the present application; as shown in FIG. 11.
- the timing advance is the advance of the uplink signal sent by the user equipment.
- the first sub-information and the second sub-information indicate adjustment values of the timing advance.
- the adjustment value of the timing advance refers to a value after the timing advance changes.
- the first sub-information and the second information used to determine the adjustment value of the timing advance are sent through MACRAR.
- the first sub-information used to determine the adjustment value of the timing advance is sent through an RRC (Radio Resource Control, radio resource control) message.
- RRC Radio Resource Control, radio resource control
- the first sub-information and the second information used to determine the adjustment value of the timing advance are sent through TACMACCE.
- the adjustment value of the timing advance is a positive number.
- the adjustment value of the timing advance is a negative number.
- the adjustment value of the timing advance is zero.
- the adjustment value of the timing advance N TA_new N TA_old + (T A -31) ⁇ the first time value, where N TA_old is the old timing advance, and T A is received by the receiver The timing advance index value indicated by the second sub-information.
- the timing advance adjustment value N TA_new N TA_old + (T A -31) ⁇ 16, wherein, N TA_old the old timing advance, T A is the first received by the receiver The K indicated by the second sub-information.
- the timing advance adjustment value N TA_new N TA_old + (T A -31) ⁇ 16 ⁇ 64/2 ⁇ , where, N TA_old the old timing advance, T A are received by the receiver
- the K, ⁇ indicated by the second sub-information obtained are related to the sub-carrier spacing, and the value range is ⁇ 0,1,2,3,4 ⁇ , corresponding to the sub-carrier spacing ⁇ 15kHz, 30kHz, 60kHz, 120kHz, respectively , 240kHz ⁇ .
- the adjustment value of the timing advance is the same as the number of bits occupied by the timing advance.
- the adjustment value of the timing advance is different from the number of bits occupied by the timing advance.
- the sender of the first information sends the first sub-information and the second sub-information to the first node.
- the node adjusts the sending timing advance of the first node according to the first sub-information and the second sub-information.
- Embodiment 12 illustrates a schematic diagram of the second signal being used to determine the first sub-information and the second sub-information according to an embodiment of the present application; as shown in FIG. 12.
- the second signal carries MSG1 (message 1).
- the second signal is a random access request (Random Access Request) message.
- the second signal is sent on PRACH (Physical Random Access Channel, Physical Random Access Channel).
- PRACH Physical Random Access Channel, Physical Random Access Channel
- the second signal is a physical layer (L1) message.
- the second signal is a random access preamble (Preamble) sequence.
- Preamble random access preamble
- the second signal is independently selected by the sender of the second signal.
- the second signal is allocated by the receiver of the second signal to the sender of the second signal.
- the second signal is independently selected by the first node.
- the second signal is allocated by the second node to the first node.
- the second signal is SRS (Sounding Reference Signal, uplink sounding reference signal), DMRS (Demodulation Reference Signal, demodulation reference signal), CQI (ChannelQuality Information, channel quality information), ACK (Acknowledgement), NACK (Negative Acknowledgement), or at least one of PUSCH (Physical Uplink Shared Channel).
- SRS Sounding Reference Signal, uplink sounding reference signal
- DMRS Demodulation Reference Signal, demodulation reference signal
- CQI Channel Quality Information
- ACK Acknowledgement
- NACK Negative Acknowledgement
- PUSCH Physical Uplink Shared Channel
- the receiver of the second signal determines the first sub-information and the second sub-information by measuring the second signal.
- Embodiment 13 illustrates a structural block diagram of a processing device used in the first node according to an embodiment of the present application; as shown in FIG. 13.
- the processing device 1300 in the first node includes a first receiver 1301 and a first transmitter 1302.
- the first receiver 1301 receives first information
- the first transmitter 1302 sends the first signal
- the first information includes the first sub-information and the second sub-information; the first sub-information is used to determine the first time value, the second sub-information is used to determine K, the K is a non-negative integer; the first time value and K are used together to determine the start time of sending the first signal.
- the first receiver 1301 receives first signaling; the first signaling is used to determine K1 candidate time values; the first time value is one of the K1 candidate time values One; the first sub-information is used to determine the first time value from the K1 candidate time values.
- the first sub-information includes Q1 information bits
- the second sub-information includes Q2 information bits
- both Q1 and Q2 are positive integers, and the sum of Q1 and Q2 Is fixed
- the Q1 is related to the parameters of the sender of the first information.
- the parameter of the sender of the first information is used to determine whether the first sub-information is used to indicate the first time value.
- the first sub-information and the second sub-information are used to determine the adjustment value of the timing advance.
- the first transmitter 1302 sends a second signal; the second signal is used by the receiver of the second signal to determine the first sub-information and the second sub-information.
- the number of bits occupied by the first sub-information and the second sub-information are respectively configurable.
- the first node 1300 is a user equipment.
- the first node 1300 is a user equipment that supports a large delay difference.
- the first node 1300 is a user equipment supporting NTN.
- the first node 1300 is an aircraft device.
- the first receiver 1301 includes at least one of ⁇ antenna 460, receiver 456, receiving processor 452, controller/processor 490, data source/buffer 480 ⁇ in the fourth embodiment .
- the first transmitter 1302 includes at least one of ⁇ antenna 460, transmitter 456, transmission processor 455, controller/processor 490, data source/buffer 480 ⁇ in the fourth embodiment .
- Embodiment 14 illustrates a structural block diagram of a processing device used in the second node according to an embodiment of the present application; as shown in FIG. 14.
- the processing device 1400 in the second node includes a second transmitter 1401 and a second receiver 1402.
- the second transmitter 1401 sends the first information
- the second receiver 1402 receives the first signal
- the first information includes the first sub-information and the second sub-information; the first sub-information is used to determine the first time value, the second sub-information is used to determine K, the K is a non-negative integer; the first time value and K are used together to determine the start time of sending the first signal.
- the second transmitter 1401 sends first signaling; the first signaling is used to determine K1 candidate time values; the first time value is one of the K1 candidate time values One; the first sub-information is used to determine the first time value from the K1 candidate time values.
- the second receiver 1402 receives a second signal; the second signal is used by the second node to determine the first sub-information and the second sub-information.
- the first sub-information includes Q1 information bits
- the second sub-information includes Q2 information bits
- both Q1 and Q2 are positive integers, and the sum of Q1 and Q2 Is fixed
- the Q1 is related to the parameters of the sender of the first information.
- the parameter of the second node is used to determine whether the first sub-information is used to indicate the first time value.
- the first sub-information and the second sub-information are used to determine the adjustment value of the timing advance.
- the number of bits occupied by the first sub-information and the second sub-information are respectively configurable.
- the second node 1400 is a base station device (gNB/eNB).
- the second node 1400 is a base station device supporting a large delay difference.
- the second node 1400 is a base station device supporting NTN.
- the second node 1400 is a satellite device.
- the second node 1400 is a flight platform device.
- the second transmitter 1401 includes at least one of ⁇ antenna 420, transmitter 416, transmission processor 415, controller/processor 440, data source/buffer 430 ⁇ in the fourth embodiment .
- the second receiver 1402 includes at least one of ⁇ antenna 420, receiver 416, receiving processor 412, controller/processor 440, data source/buffer 430 ⁇ in the fourth embodiment .
- Embodiment 15 illustrates a schematic diagram of parameters used to determine K1 candidate time values according to an embodiment of the present application; as shown in FIG. 15.
- the parameters used to determine the K1 candidate time values include the coverage area range.
- the coverage area is the coverage area of a physical cell (Physical Cell).
- the coverage area is the coverage area of a virtual cell (Virtual Cell).
- the coverage area range is a coverage area range of a beam.
- the larger the coverage area the larger the corresponding candidate time value.
- the smaller the coverage area the smaller the corresponding candidate time value.
- the candidate time value is related to the coverage area range, the coverage area of area #1 is smaller than the coverage area of area #2; the coverage area of area #1 is small, and the transmission delay Smaller, the timing advance used for the uplink transmission of the user equipment is small, and the corresponding first candidate time value is small; the area #2 has a larger coverage area and a longer transmission delay, and is used for the uplink transmission of the user equipment
- the timing advance of is larger, the corresponding second candidate time value is larger, and the first candidate time value is smaller than the second candidate time value.
- the first candidate time value is one of the K1 candidate time values in this application
- the second candidate time value is the K1 candidate time values in this application Another candidate time value in.
- Embodiment 16 illustrates a schematic diagram of parameters used to determine K1 candidate time values according to another embodiment of the present application; as shown in FIG. 16.
- the parameters used to determine the K1 candidate time values include the height of the base station.
- the greater the height of the base station the greater the corresponding candidate time value.
- the candidate time value is related to the height of the base station.
- the base station height of satellite 1 is relatively small, and the base station height of satellite 2 is relatively large.
- the coverage area of satellite 1 is smaller than the coverage area of satellite 2.
- the timing advance of 1 is less than the timing advance of satellite 2
- the third candidate time value corresponding to satellite 1 is relatively small
- the fourth candidate time value corresponding to satellite 2 is relatively large
- the third candidate time value is less than the first candidate time value.
- the parameters used to determine K1 candidate time values include base station types.
- the type of the base station includes a cellular base station (Cellular Base Station), a micro cell (Micro Cell) base station, a pico cell (PicoCell) base station, a femtocell (Femtocell), an eNB, or a gNB in the ground network one.
- Cellular Base Station Cellular Base Station
- Micro Cell Micro Cell
- PicoCell pico cell
- Femtocell femtocell
- eNB evolved Node B
- gNB gNode B
- the base station types include GEO (Geostationary Earth Orbiting, synchronous earth orbit) satellites, MEO (Medium Earth Orbiting, medium earth orbit) satellites, LEO (Low Earth Orbit, low earth orbit) in non-ground network base stations.
- GEO Globalstar Earth Orbiting, synchronous earth orbit
- MEO Medium Earth Orbiting, medium earth orbit
- LEO Low Earth Orbit, low earth orbit
- One of satellites HEO (Highly Elliptical Orbiting) satellites, or Airborne Platform.
- the candidate time value of the non-terrestrial network base station is greater than the candidate time value of the terrestrial network base station.
- the type of satellite 1 is LEO satellite
- the type of satellite 2 is MEO satellite
- the timing advance of satellite 1 is less than the timing advance of satellite 2
- satellite 1 The corresponding third candidate time value is relatively small
- the fourth candidate time value corresponding to satellite 2 is relatively large
- the third candidate time value is smaller than the fourth candidate time value.
- the third candidate time value is one of the K1 candidate time values in this application
- the fourth candidate time value is the K1 candidate time values in this application Another candidate time value in.
- each module unit in the above-mentioned embodiment can be realized in the form of hardware or software function module, and this application is not limited to the combination of software and hardware in any specific form.
- User equipment, terminals and UE in this application include, but are not limited to, drones, communication modules on drones, remote control aircraft, aircraft, small aircraft, mobile phones, tablets, notebooks, vehicle-mounted communication devices, wireless sensors, network cards, Internet of Things terminal, RFID terminal, NB-IOT terminal, MTC (Machine Type Communication) terminal, eMTC (enhanced MTC) terminal, data card, internet card, in-vehicle communication equipment, low-cost mobile phone, low cost Cost of wireless communication equipment such as tablets.
- MTC Machine Type Communication
- eMTC enhanced MTC
- the base station or system equipment in this application includes, but is not limited to, macro cell base station, micro cell base station, home base station, relay base station, gNB (NR Node B), NR Node B, TRP (Transmitter Receiver Point) and other wireless communications equipment.
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Abstract
Description
Claims (10)
- 一种被用于无线通信的第一节点,其特征在于,包括:第一接收机,接收第一信息;第一发送机,发送第一信号;其中,所述第一信息包括第一子信息和第二子信息;所述第一子信息被用于确定第一时间值,所述第二子信息被用于确定K,所述K是非负整数;所述第一时间值与所述K被共同用于确定所述第一信号的发送起始时刻。
- 根据权利要求1所述的第一节点,其特征在于,所述第一接收机接收第一信令;所述第一信令被用于确定K1个候选时间值;所述第一时间值是所述K1个候选时间值中的之一;所述第一子信息被用于从所述K1个候选时间值中确定所述第一时间值。
- 根据权利要求1或2所述的第一节点,其特征在于,所述第一子信息包括Q1个信息比特,所述第二子信息包括Q2个信息比特;所述Q1和所述Q2均是正整数,且所述Q1与所述Q2的和是固定的;所述Q1与所述第一信息的发送者的参数有关。
- 根据权利要求1至3中任一权利要求所述的第一节点,其特征在于,所述第一信息的发送者的参数被用于确定所述第一子信息是否被用于指示所述第一时间值。
- 根据权利要求1至4中任一权利要求所述的第一节点,其特征在于,所述第一子信息和所述第二子信息被用于确定定时提前量的调整值。
- 根据权利要求1至5中任一权利要求所述的第一节点,其特征在于,所述第一发送机发送第二信号;其中,所述第二信号被所述第二信号的接收者用于确定所述第一子信息和所述第二子信息。
- 根据权利要求1至6中任一权利要求所述的第一节点,其特征在于,所述第一子信息和所述第二子信息占用的比特数分别是可配置的。
- 一种被用于无线通信的第二节点,其特征在于,包括:第二发送机,发送第一信息;第二接收机,接收第一信号;其中,所述第一信息包括第一子信息和第二子信息;所述第一子信息被用于确定第一时间值,所述第二子信息被用于确定K,所述K是非负整数;所述第一时间值与所述K被共同用于确定所述第一信号的发送起始时刻。
- 一种被用于无线通信的第一节点中的方法,其特征在于,包括:接收第一信息;发送第一信号;其中,所述第一信息包括第一子信息和第二子信息;所述第一子信息被用于确定第一时间值,所述第二子信息被用于确定K,所述K是非负整数;所述第一时间值与所述K被共同用于确定所述第一信号的发送起始时刻。
- 一种被用于无线通信的第二节点中的方法,其特征在于,包括:发送第一信息;接收第一信号;其中,所述第一信息包括第一子信息和第二子信息;所述第一子信息被用于确定第一时间值,所述第二子信息被用于确定K,所述K是非负整数;所述第一时间值与所述K被共同用于确定所述第一信号的发送起始时刻。
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| CN201910997024.1A CN112689325B (zh) | 2019-10-20 | 2019-10-20 | 一种被用于无线通信的方法和设备 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117643113A (zh) * | 2021-11-05 | 2024-03-01 | Oppo广东移动通信有限公司 | 无线通信的方法、终端设备和网络设备 |
| EP4404647A4 (en) * | 2021-09-18 | 2025-12-31 | Zte Corp | METHOD FOR DETERMINING TIME PARAMETERS, DEVICE AND STORAGE MEDIA |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20230300766A1 (en) * | 2020-10-14 | 2023-09-21 | Purplevine Innovation Company Limited | Method of propagation delay compensation and related devices |
| CN121547845A (zh) * | 2026-01-16 | 2026-02-17 | 四川创智联恒科技有限公司 | 一种随机接入响应的生成方法、上行发射时间的调整方法及装置 |
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| CN115361737A (zh) | 2022-11-18 |
| CN112689325A (zh) | 2021-04-20 |
| CN112689325B (zh) | 2022-06-21 |
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