WO2021115079A1 - 一种被用于无线通信的节点中的方法和装置 - Google Patents
一种被用于无线通信的节点中的方法和装置 Download PDFInfo
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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
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
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- H04W52/14—Separate analysis of uplink or downlink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W52/146—Uplink power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
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- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
Definitions
- This application relates to a transmission method and device in a wireless communication system, and in particular to a transmission method and device in a non-terrestrial network (NTN, Non-Terrestrial Networks) in wireless communication.
- NTN non-terrestrial network
- NTN Non-Terrestrial Networks
- the user equipment when the user equipment (UE, User Equipment) itself has the positioning capability and can estimate the transmission delay with the satellite, the user equipment can automatically advance the transmission when sending the uplink signal to the satellite, and realize the self-determination and Adjust the TA (Timing Advance) operation to ensure that the signal arriving at the satellite can align with the satellite's own timing.
- UE User Equipment
- the terminal In traditional LTE (Long-Term Evolution) and 5G systems, when a PRACH transmission is unsuccessful, the terminal often sends PRACH with a higher transmission power value through power ramping in order to expect to be received by the base station. Receive correctly. However, when the terminal does not receive feedback for multiple PRACH transmissions due to the inaccuracy of the self-adjusted TA, the terminal can use the traditional PRACH transmission without adjusting the TA. At this time, the previously accumulated power value increase will need to be renewed. Consider whether it needs to be included in the new transmit power value.
- this application provides a solution.
- the NTN scenario is only used as an example of an application scenario of the solution provided by this application; this application is also applicable to scenarios such as terrestrial networks to achieve similar technical effects in the NTN scenario.
- this application is also applicable to scenarios where there is a UAV (Unmanned Aerial Vehicle, unmanned aerial vehicle) or a network of Internet of Things devices, for example, to achieve technical effects similar to NTN scenarios.
- UAV Unmanned Aerial Vehicle, unmanned aerial vehicle
- a network of Internet of Things devices for example
- different scenarios including but not limited to NTN scenarios and terrestrial network scenarios
- adopting a unified solution can also help 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 target counter is used for counting in the random access initiated by the first node, the count value of the target counter is a positive integer; the count value of the target counter when the first signal is sent is the first The count value of the target counter when the second signal is transmitted is the second count value; the first timing offset value is used to determine the timing of the first signal transmission, and the second timing offset value is Used to determine the transmission timing of the second signal; whether the first timing offset value and the second timing offset value are equal is used to determine the difference between the first count value and the second count value The magnitude relationship of; the random access initiated by the first signal is unsuccessful.
- the essence of the above method is that when calculating the number of transmissions of PRACH or MsgA, the number of transmissions of PRACH or MsgA with timing offset precompensation will not be calculated to that of PRACH or MsgA without timing offset precompensation. Correspondingly, the number of transmissions of PRACH or MsgA without timing offset pre-compensation will not be calculated into the number of transmissions of PRACH or MsgA with untimed offset pre-compensation; the above method guarantees the accuracy of counting.
- the advantage of the above method is that when the first node fails to send PRACH or MsgA multiple times in a scenario where self-timing offset pre-compensation is used, it means that the TA estimated by the first node may not be successful. It is accurate, or it means that the collision on the selected PRACH resource is large, rather than the random access is unsuccessful due to insufficient transmission power; if at this time, the first node does not use timing offset precompensation to transmit PRACH instead Or MsgA, at this time, the previously raised power value needs to be recalculated to avoid interference to other terminals and reduce power consumption.
- the above method is characterized in that, when the first timing offset value and the second timing offset value are equal, the second count value is equal to the first count value plus 1; When the first timing offset value and the second timing offset value are not equal, the second count value is not greater than the first count value.
- the advantage of the above method is that: the first timing offset value and the second timing offset value are equal, indicating that when the first node sends the first signal and the second signal Is a timing offset that is self-compensated, or a timing offset that indicates that the first node did not self-compensate when sending the first signal and the second signal, and then the current transmission of the first signal and the timing offset The sending of the second signal is counted uniformly.
- the advantage of the above method is that the first timing offset value and the second timing offset value are not equal, indicating that the first node compensates for the timing offset by itself when sending the first signal And the timing offset is not compensated by itself when sending the second signal, or it means that the first node does not compensate for the timing offset by itself when sending the first signal but compensates for the timing offset by itself when sending the second signal, Furthermore, the transmission of the first signal should not be counted uniformly with the transmission of the second signal.
- the advantage of the above method is that a separate counting method is used for the random access mode that uses timing offset pre-compensation and that does not use timing offset pre-compensation, so as to ensure the accuracy of power uplift.
- the above method is characterized in that the format adopted by the first signal is related to the first timing offset value, and the format adopted by the second signal is related to the second timing offset. Value is related; the format used by the first signal includes the length of the sequence for generating the first signal, the length of the cyclic prefix included in the first signal, and the time domain resources occupied by the first signal. At least one of the blank lengths of the second signal; the format used by the second signal includes the length of the sequence in which the second signal is generated, the length of the cyclic prefix included in the second signal, and the length of the cyclic prefix occupied by the second signal At least one of the blank lengths included in the time domain resources.
- the advantage of the above method is that different PRACH formats are configured for the PRACH transmission modes that use timing offset pre-compensation and those that do not use timing offset pre-compensation; when timing offset pre-compensation is used, there is no need to distinguish between comparisons. Large TA, and then the adopted PRACH format corresponds to a shorter sequence length; when timing offset pre-compensation is not used, the larger TA needs to be distinguished, and then the PRACH format corresponds to a longer sequence length; the above method optimizes PRACH Configure to avoid wasting too many long sequences.
- the above method is characterized in that it includes:
- the first information is used to determine the first target power value and the first step length; when the first count value is greater than 1, the first target power value, the first step length, and the The first count value is jointly used to determine the transmit power value of the first signal; when the first count value is equal to 1, the first target power value, the first step length, and the first count Among the values, only the first target power value is used to determine the transmission power value of the first signal.
- the above method is characterized in that, when the first timing offset value and the second timing offset value are equal, the first target power value, the first step length, and the The second count value is jointly used to determine the transmission power value of the second signal.
- the above method is characterized in that it includes:
- the second information is used to determine the second step size; when the first timing offset value and the second timing offset value are not equal and the second count value is greater than 1, the first A target power value, the second step size, and the second count value are used together to determine the transmission power value of the second signal; when the first timing offset value and the second timing offset When the values are not equal and the second count value is equal to 1, only the first target power value among the first target power value, the second step size, and the second count value is used to determine the The transmit power value of the second signal.
- the advantage of the above method is that different power boost steps are configured for random access with timing offset pre-compensation and random access without timing offset pre-compensation to optimize the selection of transmission power.
- the above method is characterized in that it includes:
- the third signal is used to determine the reference timing; the timing offset between the transmission timing of the first signal and the reference timing is equal to the first timing offset value, and the second signal The timing offset between the sending timing of and the reference timing is equal to the second timing offset value.
- the above method is characterized in that the capability of the first node is used to determine the first timing offset value.
- the above method is characterized in that it includes:
- the second count value is equal to 1
- the third information is used to determine the upper limit of the first count value .
- the essence of the above method is that the first node uses timing offset pre-compensation to send the first signal and the first node does not use timing offset pre-compensation to send the second signal, the The second signal is recorded as the first transmission without timing offset precompensation.
- the essence of the above method is that the first node does not use timing offset precompensation to transmit the first signal and the first node uses timing offset precompensation to transmit the second signal, and The second signal is recorded as the first transmission with timing offset pre-compensation.
- the above method is characterized in that it includes:
- the fourth signal is used to indicate that the first node can determine the first timing offset value according to its own capability, or the fourth signal is used to indicate that the first node can determine the first timing offset value according to its own capability. Ability to determine the second timing offset value.
- the advantage of the above method whether the first node can determine the first timing offset value through its own capabilities, and using the first timing offset value to send the first signal requires a base station Instructed and allowed, which facilitates the allocation of PRACH resources by the base station.
- This application discloses a method used in a second node of wireless communication, which is characterized in that it includes:
- Detecting a first signal the first signal being used to initiate random access
- the target counter is used for counting in random access initiated by the sender of the first signal, the count value of the target counter is a positive integer; the count value of the target counter when the first signal is sent Is the first count value, the count value of the target counter when sending the second signal is the second count value; the first timing offset value is used to determine the timing of the first signal transmission, and the second timing offset The shift value is used to determine the transmission timing of the second signal; whether the first timing offset value and the second timing offset value are equal is used to determine the first count value and the second count The magnitude relationship between the values; the random access initiated by the first signal is unsuccessful.
- the above method is characterized in that, when the first timing offset value and the second timing offset value are equal, the second count value is equal to the first count value plus 1; When the first timing offset value and the second timing offset value are not equal, the second count value is not greater than the first count value.
- the above method is characterized in that the format adopted by the first signal is related to the first timing offset value, and the format adopted by the second signal is related to the second timing offset. Value is related; the format used by the first signal includes the length of the sequence for generating the first signal, the length of the cyclic prefix included in the first signal, and the time domain resources occupied by the first signal. At least one of the blank lengths of the second signal; the format used by the second signal includes the length of the sequence in which the second signal is generated, the length of the cyclic prefix included in the second signal, and the length of the cyclic prefix occupied by the second signal At least one of the blank lengths included in the time domain resources.
- the above method is characterized in that it includes:
- the first information is used to determine the first target power value and the first step length; when the first count value is greater than 1, the first target power value, the first step length, and the The first count value is jointly used to determine the transmit power value of the first signal; when the first count value is equal to 1, the first target power value, the first step length, and the first count Among the values, only the first target power value is used to determine the transmission power value of the first signal.
- the above method is characterized in that, when the first timing offset value and the second timing offset value are equal, the first target power value, the first step length, and the The second count value is jointly used to determine the transmission power value of the second signal.
- the above method is characterized in that it includes:
- the second information is used to determine the second step size; when the first timing offset value and the second timing offset value are not equal and the second count value is greater than 1, the first A target power value, the second step size, and the second count value are used together to determine the transmission power value of the second signal; when the first timing offset value and the second timing offset When the values are not equal and the second count value is equal to 1, only the first target power value among the first target power value, the second step size, and the second count value is used to determine the The transmit power value of the second signal.
- the above method is characterized in that it includes:
- the third signal is used to determine the reference timing; the timing offset between the transmission timing of the first signal and the reference timing is equal to the first timing offset value, and the second signal The timing offset between the sending timing of and the reference timing is equal to the second timing offset value.
- the above method is characterized in that the capability of the sender of the first signal is used to determine the first timing offset value.
- the above method is characterized in that it includes:
- the second count value is equal to 1
- the third information is used to determine the upper limit of the first count value .
- the above method is characterized in that it includes:
- the fourth signal is used to indicate that the sender of the first signal can determine the first timing offset value according to its own ability, or the fourth signal is used to indicate the first signal The sender of can determine the second timing offset value by itself according to its own capabilities.
- This application discloses a first node used for wireless communication, which is characterized in that it includes:
- the first transceiver sends a first signal, and the first signal is used to initiate random access;
- the first transmitter sends a second signal, and the second signal is used to initiate random access;
- the target counter is used for counting in the random access initiated by the first node, the count value of the target counter is a positive integer; the count value of the target counter when the first signal is sent is the first The count value, the count value of the target counter when sending the second signal is the second count value; the first timing offset value is used to determine the sending timing of the first signal, and the second timing offset value is Used to determine the transmission timing of the second signal; whether the first timing offset value and the second timing offset value are equal is used to determine the difference between the first count value and the second count value The magnitude relationship of; the random access initiated by the first signal is unsuccessful.
- This application discloses a second node used for wireless communication, which is characterized in that it includes:
- the second transceiver detects the first signal, and the first signal is used to initiate random access;
- the first receiver detects a second signal, and the second signal is used to initiate random access;
- the target counter is used for counting in random access initiated by the sender of the first signal, the count value of the target counter is a positive integer; the count value of the target counter when the first signal is sent Is the first count value, the count value of the target counter when sending the second signal is the second count value; the first timing offset value is used to determine the timing of the first signal transmission, and the second timing offset The shift value is used to determine the transmission timing of the second signal; whether the first timing offset value and the second timing offset value are equal is used to determine the first count value and the second count The magnitude relationship between the values; the random access initiated by the first signal is unsuccessful.
- this application has the following advantages:
- the number of transmissions of PRACH or MsgA with timing offset pre-compensation will not be calculated into the number of transmissions of PRACH or MsgA without timing offset pre-compensation; accordingly, it is not used
- the transmission times of PRACH or MsgA with timing offset pre-compensation will not be counted into the transmission times of PRACH or MsgA with non-timing offset pre-compensation; the above method guarantees the accuracy of counting;
- the first node fails to send PRACH or MsgA multiple times in the scenario of using self-timing offset precompensation, it indicates that the TA estimated by the first node may be inaccurate, or indicates the selected PRACH resource However, the random access is not successful due to insufficient transmission power; if the first node does not use timing offset pre-compensation to transmit PRACH or MsgA instead, the previous uplift The power value needs to be recalculated to avoid interference to other terminals and reduce power consumption;
- timing offset pre-compensation In order to adopt the timing offset pre-compensation and the random access method without timing offset pre-compensation, a separate counting method is adopted to ensure the accuracy of the power rise; in addition, the timing offset pre-compensation and the non-timing offset are adopted.
- the transmission mode of pre-compensated PRACH is configured with different PRACH formats; when timing offset pre-compensation is used, there is no need to distinguish between larger TAs, and the sequence length corresponding to the adopted PRACH format is shorter; timing offset pre-compensation is not used Because the larger TA needs to be distinguished, the sequence length corresponding to the adopted PRACH format is longer; the above method optimizes the PRACH configuration to avoid wasting too many long sequences;
- the first node can determine the first timing offset value through its own capabilities, and using the first timing offset value to send the first signal needs to be instructed and allowed by the base station, thereby facilitating the base station The allocation of PRACH resources.
- Fig. 1 shows a processing flowchart of a first node 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 communication device and a second communication device according to an embodiment of the present application
- Fig. 5 shows a flowchart of a second signal according to an embodiment of the present application
- Fig. 6 shows a schematic diagram of a given timing offset value according to an embodiment of the present application
- Fig. 7 shows a schematic diagram of a target timing offset value according to an embodiment of the present application.
- Fig. 8 shows a flowchart of a target counter according to an embodiment of the present application
- Fig. 9 shows a structural block diagram used in the first node according to an embodiment of the present application.
- Fig. 10 shows a structural block diagram used in a second node according to an embodiment of the present application
- Embodiment 1 illustrates a processing flowchart of the first node, as shown in FIG. 1.
- each box represents a step.
- the first node in this application sends a first signal in step 101, and the first signal is used to initiate random access; in step 102, a second signal is sent, and the second signal is Used to initiate random access.
- the target counter is used for counting in random access initiated by the first node, and the count value of the target counter is a positive integer; the count value of the target counter when the first signal is sent Is the first count value, the count value of the target counter when sending the second signal is the second count value; the first timing offset value is used to determine the timing of the first signal transmission, and the second timing offset The shift value is used to determine the transmission timing of the second signal; whether the first timing offset value and the second timing offset value are equal is used to determine the first count value and the second count The magnitude relationship between the values; the random access initiated by the first signal is unsuccessful.
- the first signal includes PRACH.
- the second signal includes PRACH.
- the first signal includes MsgA.
- the second signal includes MsgA.
- the first signal includes PUSCH (Physical Uplink Shared Channel).
- PUSCH Physical Uplink Shared Channel
- the second signal includes PUSCH.
- both the first signal and the second signal include PRACH.
- both the first signal and the second signal include MsgA.
- the first count value is a positive integer.
- the second count value is a positive integer.
- the transmission timing of the first signal includes the time domain position of the boundary of the radio frame occupied by the first signal.
- the sending timing of the second signal includes the time domain position of the boundary of the radio frame occupied by the second signal.
- the transmission timing of the first signal includes the time domain position of the boundary of the radio frame occupied by the first signal.
- the sending timing of the second signal includes the time domain position of the boundary of the radio frame occupied by the second signal.
- the first timing offset value is equal to zero.
- the first timing offset value is equal to N_TA, and the unit of N_TA is milliseconds.
- the first timing offset value includes N_TA, and the unit of N_TA is milliseconds.
- the N_TA is the timing advance of the uplink transmission from the first node to the second node in this application estimated by the first node.
- the N_TA is greater than zero.
- the second timing offset value is equal to zero.
- the second timing offset value is equal to N_TA, and the unit of N_TA is milliseconds.
- the second timing offset value includes N_TA, and the unit of N_TA is milliseconds.
- the N_TA is the timing advance of the uplink transmission from the first node to the second node in this application estimated by the first node.
- the N_TA is greater than zero.
- the first node has a GNSS (Global Navigation Satellite System, Global Navigation Satellite System) capability.
- GNSS Global Navigation Satellite System, Global Navigation Satellite System
- the first node has an uplink synchronization pre-compensation (Pre-Compensation) capability (Capability).
- Pre-Compensation uplink synchronization pre-compensation
- Capability Capability
- the first node has the ability to estimate the uplink TA by itself and perform uplink synchronization pre-compensation.
- the meaning of the unsuccessful random access initiated by the above phrase includes: the first node does not receive feedback on the first signal in a given time window after sending the first signal .
- the meaning of the unsuccessful random access initiated by the above phrase includes: the first node does not receive the MsgB for the first signal in a given time window after sending the first signal .
- the given time window is configured through ra-ResponseWindow.
- the feedback of the first signal is random access feedback (Random Access Response).
- the feedback of the first signal includes MsgB.
- the meaning of the unsuccessful random access initiated by the above phrase includes: the first node receives the first feedback within a given time window after sending the first signal, the first feedback
- the carried MAC subPDU includes a Backoff indication.
- the meaning of the unsuccessful random access initiated by the above phrase includes: the first node receives the first feedback within a given time window after sending the first signal, the first feedback
- the carried MAC (Medium Access Control) subPDU (Protocol Data Unit) cannot find the same random access preamble sequence identifier (Random Access Preamble) as the PREAMBLE_INDEX used by the first signal. identifiers).
- the first node in this application is always in the RRC_IDLE state from when the first signal is sent to when the second signal is sent.
- the first node in this application has been in an uplink out of synchronization (out of synchronization) state from when the first signal is sent to when the second signal is sent.
- the first timing offset value is not equal to 0, and the first timing offset value is related to the type of the second node in this application.
- the type corresponding to the second node 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 (Highly Elliptical Orbiting, Highly Elliptical Orbiting) satellite, Airborne Platform (air platform).
- GEO Global System for Mobile Communications
- MEO Medium Earth Orbiting, medium earth orbit
- LEO Low Earth Orbit
- HEO Highly Elliptical Orbiting, Highly Elliptical Orbiting
- Airborne Platform air platform
- the first timing offset value is not equal to 0, and the first timing offset value is related to the height of the second node in the present application.
- the first timing offset value is not equal to 0, and the first timing offset value is related to the location information of the first node.
- the second timing offset value is not equal to 0, and the second timing offset value is related to the type of the second node in this application.
- the type corresponding to the second node is one of GEO satellites, MEO satellites, LEO satellites, HEO satellites, and Airborne Platform.
- the second timing offset value is not equal to 0, and the first timing offset value is related to the height of the second node in the present application.
- the second timing offset value is not equal to 0, and the second timing offset value is related to the location information of the first node.
- the first signal is a wireless signal.
- the first signal is a baseband signal.
- the second signal is a wireless signal.
- the second signal is a baseband signal.
- the first node determines the first timing offset by itself.
- the first node determines the second timing offset by itself.
- the first signal includes one PRACH in the four-step RACH.
- the second signal includes one PRACH in the four-step RACH.
- the first signal includes a Preamble in a two-step RACH.
- the second signal includes a Preamble in a two-step RACH.
- the first signal includes one MsgA in the two-step RACH.
- the second signal includes one MsgA in the two-step RACH.
- a first sequence is used to generate the first signal, and the first sequence is a pseudo-random sequence.
- a first sequence is used to generate the first signal, and the first sequence is generated by a 31-long Gold sequence.
- a second sequence is used to generate the second signal, and the second sequence is a pseudo-random sequence.
- a second sequence is used to generate the second signal, and the second sequence is generated by a 31-long Gold sequence.
- Embodiment 2 illustrates a schematic diagram of a network architecture, as shown in FIG. 2.
- FIG. 2 illustrates a diagram of a network architecture 200 of 5G NR, 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 EPS (Evolved Packet System, evolved packet system) 200 with some other suitable terminology.
- EPS 200 may include one or more UE (User Equipment) 201, NG-RAN (Next Generation Radio Access Network) 202, EPC (Evolved Packet Core, Evolved Packet Core)/5G-CN (5G-Core Network) , 5G core network) 210, HSS (Home Subscriber Server, home subscriber server) 220 and Internet service 230.
- UE User Equipment
- NG-RAN Next Generation Radio Access Network
- EPC Evolved Packet Core, Evolved Packet Core
- 5G-CN 5G-Core Network
- HSS Home Subscriber Server, home subscriber server
- Internet service 230 Internet
- EPS can be interconnected with other access networks, but these entities/interfaces are not shown for simplicity. As shown in the figure, 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-switched 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 EPC/5G-CN 210.
- 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.
- EPC/5G-CN 210 includes MME (Mobility Management Entity)/AMF (Authentication Management Field)/UPF (User Plane Function, user plane function) 211, other MME/AMF/UPF214, S-GW (Service Gateway) 212 and P-GW (Packet Date Network Gateway) 213.
- MME Mobility Management Entity
- AMF Authentication Management Field
- UPF User Plane Function, user plane function
- S-GW Service Gateway
- P-GW Packet Date Network Gateway
- MME/AMF/UPF211 is a control node that processes the signaling between UE201 and EPC/5G-CN 210.
- MME/AMF/UPF211 provides bearer and connection management. All user IP (Internet Protocol, Internet Protocol) packets are transmitted through the S-GW212, and the S-GW212 itself is connected to the P-GW213.
- P-GW213 provides UE IP address allocation and other functions.
- the P-GW 213 is connected to the Internet service 230.
- the Internet service 230 includes the operator's corresponding Internet protocol service, which may specifically 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 gNB203 corresponds to the second node in this application.
- the air interface between the UE201 and the gNB203 is a Uu interface.
- the wireless link between the UE201 and the gNB203 is a cellular link.
- the wireless link between the gNB203 and the ground station is Feeder Link.
- the first node in this application is a terminal within the coverage of the gNB203.
- the UE 201 supports transmission on a non-terrestrial network (NTN).
- NTN non-terrestrial network
- the UE 201 supports transmission in a large delay network.
- the gNB203 supports transmission on a non-terrestrial network (NTN).
- NTN non-terrestrial network
- the gNB203 supports transmission in a large delay network.
- the first node has GPS (Global Positioning System, Global Positioning System) capability.
- GPS Global Positioning System, Global Positioning System
- the first node has a GNSS (Global Navigation Satellite System, Global Navigation Satellite System) capability.
- GNSS Global Navigation Satellite System, Global Navigation Satellite System
- the first node has a BDS (BeiDou Navigation Satellite System) capability.
- BDS BeiDou Navigation Satellite System
- the first node has GALILEO (Galileo Satellite Navigation System) capability.
- GALILEO Globalileo Satellite Navigation System
- the first node has the ability to perform uplink synchronization precompensation.
- the first node has the ability to estimate the uplink TA by itself.
- 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 communication node device (UE, gNB or RSU in V2X) and the second The radio protocol architecture of the control plane 300 between communication node devices (gNB, UE or RSU in V2X): 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 communication node device and the second communication node device 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 sublayers terminate at the second communication node device.
- the PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels.
- the PDCP sublayer 304 also provides security by encrypting data packets, as well as providing support for cross-zone movement between the second communication node devices and the first communication node device.
- 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 logic 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 communication node devices.
- 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 second communication node device and the first communication node device.
- 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 communication node device and the second communication node device is for the physical layer 351, L2
- the PDCP sublayer 354 in the layer 355, 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 is also Provides header compression for upper layer data packets to reduce 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 communication node device may have several upper layers above the L2 layer 355, including a network layer (for example, an IP layer) terminating at the P-GW on the network side and another terminating at the connection.
- Application layer at one end for example, remote UE, server, etc.).
- 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 PDCP 304 of the second communication node device is used to generate the schedule of the first communication node device.
- the PDCP 354 of the second communication node device is used to generate the schedule of the first communication node device.
- the first signal is generated in the PHY301 or the PHY351.
- the first signal is generated in the MAC352 or the MAC302.
- the second signal is generated in the PHY301 or the PHY351.
- the second signal is generated in the MAC352 or the MAC302.
- the first information is generated in the MAC352 or the MAC302.
- the first information is generated in the RRC306.
- the second information is generated in the MAC352 or the MAC302.
- the second information is generated in the RRC306.
- the third signal is generated in the PHY301 or the PHY351.
- the third signal is generated in the MAC352 or the MAC302.
- the third information is generated in the MAC352 or the MAC302.
- the third information is generated in the RRC306.
- the fourth information is generated in the MAC352 or the MAC302.
- the fourth information is generated in the RRC306.
- the fourth signal is generated in the PHY301 or the PHY351.
- the fourth signal is generated in the MAC352 or the MAC302.
- the fourth signal is generated in the RRC306.
- the second node in this application sends a positioning signal
- the first node in this application receives a positioning signal
- SMLC Serving Mobile Location Centre
- the E-SMLC is triggered to send the positioning signal.
- SUPL Secure User Plane Location (Secure User Plane Location).
- LMU Location Measurement Unit
- the operation that triggers the sending of the positioning signal comes from the core network.
- Embodiment 4 shows a schematic diagram of the first communication device and the second communication device according to the present application, as shown in FIG. 4.
- 4 is a block diagram of a first communication device 450 and a second communication device 410 communicating with each other in an access network.
- the first communication device 450 includes a controller/processor 459, a memory 460, a data source 467, a transmitting processor 468, a receiving processor 456, a multi-antenna transmitting processor 457, a multi-antenna receiving processor 458, and a transmitter/receiver 454 And antenna 452.
- the second communication device 410 includes a controller/processor 475, a memory 476, a receiving processor 470, a transmitting processor 416, a multi-antenna receiving processor 472, a multi-antenna transmitting processor 471, a transmitter/receiver 418, and an antenna 420.
- the upper layer data packet from the core network is provided to the controller/processor 475.
- the controller/processor 475 implements the functionality of the L2 layer.
- the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, and multiplexing between logic and transport channels. Multiplexing, and allocation of radio resources to the first communication device 450 based on various priority measures.
- the controller/processor 475 is also responsible for retransmission of lost packets and signaling to the first communication device 450.
- the transmission processor 416 and the multi-antenna transmission processor 471 implement various signal processing functions for the L1 layer (ie, physical layer).
- the transmit processor 416 implements encoding and interleaving to facilitate forward error correction (FEC) at the second communication device 410, and based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift Mapping of signal clusters for keying (QPSK), M phase shift keying (M-PSK), and M quadrature amplitude modulation (M-QAM)).
- BPSK binary phase shift keying
- QPSK quadrature phase shift Mapping of signal clusters for keying
- M-PSK M phase shift keying
- M-QAM M quadrature amplitude modulation
- the multi-antenna transmission processor 471 performs digital spatial precoding on the coded and modulated symbols, including codebook-based precoding and non-codebook-based precoding, and beamforming processing to generate one or more spatial streams.
- the transmit processor 416 maps each spatial stream to subcarriers, multiplexes it with a reference signal (e.g., pilot) in the time domain and/or frequency domain, and then uses an inverse fast Fourier transform (IFFT) to generate The physical channel that carries the multi-carrier symbol stream in the time domain.
- IFFT inverse fast Fourier transform
- the multi-antenna transmission processor 471 performs transmission simulation precoding/beamforming operations on the time-domain multi-carrier symbol stream.
- Each transmitter 418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmission processor 471 into a radio frequency stream, and then provides it to a different antenna 420.
- each receiver 454 receives a signal through its corresponding antenna 452.
- Each receiver 454 recovers the information modulated on the radio frequency carrier, and converts the radio frequency stream into a baseband multi-carrier symbol stream and provides it to the receiving processor 456.
- the receiving processor 456 and the multi-antenna receiving processor 458 implement various signal processing functions of the L1 layer.
- the multi-antenna reception processor 458 performs reception analog precoding/beamforming operations on the baseband multi-carrier symbol stream from the receiver 454.
- the receiving processor 456 uses a Fast Fourier Transform (FFT) to convert the baseband multi-carrier symbol stream after receiving the analog precoding/beamforming operation from the time domain to the frequency domain.
- FFT Fast Fourier Transform
- the physical layer data signal and reference signal are demultiplexed by the receiving processor 456, where the reference signal will be used for channel estimation, and the data signal is recovered after the multi-antenna detection in the multi-antenna receiving processor 458.
- the first communication device 450 is any spatial flow of the destination. The symbols on each spatial stream are demodulated and recovered in the receiving processor 456, and soft decisions are generated.
- the receiving processor 456 then decodes and deinterleaves the soft decision to recover the upper layer data and control signals transmitted by the second communication device 410 on the physical channel.
- the upper layer data and control signals are then provided to the controller/processor 459.
- the controller/processor 459 implements the functions of the L2 layer.
- the controller/processor 459 may be associated with a memory 460 that stores program codes and data.
- the memory 460 may be referred to as a computer-readable medium.
- the controller/processor 459 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression , Control signal processing to recover upper layer data packets from the core network.
- the upper layer data packets are then provided to all protocol layers above the L2 layer.
- Various control signals can also be provided to L3 for L3 processing.
- a data source 467 is used to provide upper layer data packets to the controller/processor 459.
- the data source 467 represents all protocol layers above the L2 layer.
- the controller/processor 459 implements the header based on the radio resource allocation Compression, encryption, packet segmentation and reordering, as well as multiplexing between logic and transport channels, implement L2 layer functions for the user plane and control plane.
- the controller/processor 459 is also responsible for retransmission of lost packets and signaling to the second communication device 410.
- the transmission processor 468 performs modulation mapping and channel coding processing, and the multi-antenna transmission processor 457 performs digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming processing, followed by transmission
- the processor 468 modulates the generated spatial stream into a multi-carrier/single-carrier symbol stream, which is subjected to an analog precoding/beamforming operation in the multi-antenna transmission processor 457 and then provided to different antennas 452 via the transmitter 454.
- Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmission processor 457 into a radio frequency symbol stream, and then supplies it to the antenna 452.
- the function at the second communication device 410 is similar to that in the transmission from the second communication device 410 to the first communication device 450.
- Each receiver 418 receives a radio frequency signal through its corresponding antenna 420, converts the received radio frequency signal into a baseband signal, and provides the baseband signal to the multi-antenna receiving processor 472 and the receiving processor 470.
- the receiving processor 470 and the multi-antenna receiving processor 472 jointly implement the functions of the L1 layer.
- the controller/processor 475 implements L2 layer functions.
- the controller/processor 475 may be associated with a memory 476 that stores program codes and data.
- the memory 476 may be referred to as a computer-readable medium.
- the controller/processor 475 In the transmission from the first communication device 450 to the second communication device 410, the controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, decryption, and header decompression. , Control signal processing to recover upper layer data packets from UE450.
- the upper layer data packet from the controller/processor 475 may be provided to the core network.
- the first communication device 450 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 Used together with the at least one processor, the first communication device 450 means at least: sending a first signal, the first signal is used to initiate random access; and sending a second signal, the second signal is used Initiate random access; a target counter is used to count the random access initiated by the first node, and the count value of the target counter is a positive integer; the count value of the target counter when the first signal is sent Is the first count value, the count value of the target counter when sending the second signal is the second count value; the first timing offset value is used to determine the timing of the first signal transmission, and the second timing offset The shift value is used to determine the transmission timing of the second signal; whether the first timing offset value and the second timing offset value are equal is used to determine the first count value and the second count The magnitude relationship between the values; the random access initiated by the first signal is unsuccessful.
- the first communication device 450 includes: a memory storing a program of computer-readable instructions, the program of computer-readable instructions generates actions when executed by at least one processor, and the actions include: sending the first A signal, the first signal is used to initiate random access; and a second signal is sent, the second signal is used to initiate random access; a target counter is used for the random access initiated by the first node
- the count value of the target counter is a positive integer; the count value of the target counter when the first signal is sent is the first count value, and the count value of the target counter when the second signal is sent The value is the second count value;
- the first timing offset value is used to determine the transmission timing of the first signal, and the second timing offset value is used to determine the transmission timing of the second signal;
- the first timing Whether the offset value and the second timing offset value are equal is used to determine the magnitude relationship between the first count value and the second count value; the random access initiated by the first signal is unsuccessful .
- the second communication device 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 Use at least one processor together.
- the second communication device 410 means at least: detects a first signal, which is used to initiate random access; and detects a second signal, which is used to initiate random access; and a target counter is used to initiate random access.
- the count value of the target counter is a positive integer; the count value of the target counter when the first signal is sent is the first count value , The count value of the target counter when transmitting the second signal is the second count value; the first timing offset value is used to determine the timing of the first signal transmission, and the second timing offset value is used to Determine the transmission timing of the second signal; whether the first timing offset value and the second timing offset value are equal is used to determine the size between the first count value and the second count value Relationship; the random access initiated by the first signal is unsuccessful.
- the second communication device 410 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: detecting The first signal, the first signal is used to initiate random access; and the detection of the second signal, the second signal is used to initiate random access; the target counter is used for the sender of the first signal In the random access initiated, the count value of the target counter is a positive integer; the count value of the target counter when the first signal is sent is the first count value, and the target counter is sending the second The signal count value is the second count value; the first timing offset value is used to determine the transmission timing of the first signal, and the second timing offset value is used to determine the transmission timing of the second signal; so Whether the first timing offset value and the second timing offset value are equal is used to determine the magnitude relationship between the first count value and the second count value; the random signal initiated by the first signal Access is unsuccessful.
- the first communication device 450 corresponds to the first node in this application.
- the second communication device 410 corresponds to the second node in this application.
- the first communication device 450 is a UE.
- the first communication device 450 is a ground terminal.
- the first communication device 450 is a ground device.
- the first communication device 450 is a near ground terminal.
- the first communication device 450 is an airplane.
- the first communication device 450 is an aircraft.
- the first communication device 450 is a surface vehicle.
- the second communication device 410 is a base station.
- the second communication device 410 is a non-terrestrial base station.
- the second communication device 410 is a GEO satellite.
- the second communication device 410 is an MEO satellite.
- the second communication device 410 is a LEO satellite.
- the second communication device 410 is a HEO satellite.
- the second communication device 410 is Airborne Platform.
- At least the first four of the antenna 452, the transmitter 454, the multi-antenna transmission processor 457, the transmission processor 468, and the controller/processor 459 are used to transmit the A signal; the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 at least the first four are used to detect the first signal.
- At least the first four of the antenna 452, the transmitter 454, the multi-antenna transmission processor 457, the transmission processor 468, and the controller/processor 459 are used to transmit the Two signals; the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 at least the first four are used to detect the second signal.
- At least the first four of the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, and the controller/processor 459 are used for receiving First information; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, and at least the first four of the controller/processor 475 are used to transmit the first One information.
- At least the first four of the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, and the controller/processor 459 are used for receiving Second information; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, and at least the first four of the controller/processor 475 are used to transmit the first Two information.
- the first four of the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, and the controller/processor 459 are used for receiving The third signal; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, and at least the first four of the controller/processor 475 are used to transmit the first Three signals.
- At least the first four of the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, and the controller/processor 459 are used for receiving Third information; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, and at least the first four of the controller/processor 475 are used to transmit the first Three information.
- At least the first four of the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, and the controller/processor 459 are used for receiving The fourth signal; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, and at least the first four of the controller/processor 475 are used to transmit the first Four signals.
- At least one of the receiving processor 456 or the controller/processor 459 is used to determine the first timing offset value.
- At least one of the receiving processor 456 or the controller/processor 459 is used to determine the second timing offset value.
- At least one of the receiving processor 456 or the controller/processor 459 is used to determine the first count value.
- At least one of the receiving processor 456 or the controller/processor 459 is used to determine the second count value.
- Embodiment 5 illustrates a flow chart of the second signal, as shown in FIG. 5.
- the first node U1 and the second node N2 communicate via a wireless link; wherein, the steps in the block F0, the block F1 and the block F2 are optional.
- step S10 For the first node U1, received in step S10, a third signal; receiving a first message in step S11; second information received in step S12; step S13, receiving a third information; receiving a fourth signal in step S14 ; Send the first signal in step S15; send the second signal in step S16.
- step S20 the third transmission signal; a first message transmitted in step S21; second information transmitted in the step S22; the third transmission information in step S23; transmitting a fourth signal in step S24 Detect the first signal in step S25; detect the second signal in step S26.
- the first signal is used to initiate random access
- the second signal is used to initiate random access
- the target counter is used in the random access initiated by the first node U1.
- the count value of the target counter is a positive integer; the count value of the target counter when the first signal is sent is the first count value, and the count value of the target counter when the second signal is sent is the first count value.
- the first information is used to determine the first target power value and the first step length; when the first count value is greater than 1, the first target power value, the first step length, and the first count value Are used together to determine the transmit power value of the first signal; when the first count value is equal to 1, only all of the first target power value, the first step length, and the first count value
- the first target power value is used to determine the transmit power value of the first signal
- the second information is used to determine the second step size; when the first timing offset value and the second timing offset value When the shift values are not equal and the second count value is greater than 1, the first target power value, the second step size, and the second count value are jointly used to determine the transmission power value of the second
- the second count value is equal to the first count value plus 1; when the first timing offset value When the value and the second timing offset value are not equal, the second count value is not greater than the first count value.
- the second count value is equal to 1.
- the first count value is equal to M
- the second count value is equal to M+1
- the M is a positive integer.
- the M is less than the maximum number of PRACH retransmissions.
- the M is less than the maximum number of retransmissions of MsgA.
- the meaning that the first timing offset value and the second timing offset value are equal includes: the first timing offset value and the second timing offset value are both Equal to 0.
- the meaning that the first timing offset value and the second timing offset value are equal includes: the first timing offset value and the second timing offset value are both Equal to the N_TA in this application.
- the meaning that the first timing offset value and the second timing offset value are not equal includes: the first timing offset value is equal to 0, and the second timing offset value The shift value is equal to N_TA.
- the meaning that the first timing offset value and the second timing offset value are not equal includes: the second timing offset value is equal to 0, and the first timing offset value The shift value is equal to N_TA.
- the format adopted by the first signal is related to the first timing offset value
- the format adopted by the second signal is related to the second timing offset value
- the format used includes at least one of the length of the sequence for generating the first signal, the length of the cyclic prefix included in the first signal, and the blank length included in the time domain resources occupied by the first signal
- the format used by the second signal includes the length of the sequence in which the second signal is generated, the length of the cyclic prefix included in the second signal, and the blank space included in the time domain resources occupied by the second signal At least one of the lengths.
- the meaning related to the format adopted by the first signal of the above phrase and the first timing offset value includes: the format adopted by the first signal is the first format, so The first format is a format in a first format set, the first format set includes one or more formats, and the first node U1 uses the first timing offset value to send the first signal When using the first format in the first format set to generate the first signal.
- the meaning related to the format adopted by the first signal of the above phrase and the first timing offset value includes: the format adopted by the first signal is the first format, so The first format is one format in a first format set, the first format set includes one or more formats, and the first format set is associated with the first timing offset value.
- the meaning related to the format adopted by the second signal of the above phrase and the second timing offset value includes: the format adopted by the second signal is the second format, so The second format is a format in a second format set, the second format set includes one or more formats, and the first node U1 uses the second timing offset value to send the second signal When using the second format in the second format set to generate the second signal.
- the meaning related to the format adopted by the second signal of the above phrase and the second timing offset value includes: the format adopted by the second signal is the second format, so The second format is one format in a second format set, the second format set includes one or more formats, and the second format set is associated with the second timing offset value.
- the first format and the second format in this application respectively correspond to different generation sequence lengths.
- the first format and the second format in this application respectively correspond to different cyclic prefix lengths.
- the first format and the second format in this application respectively occupy different blank lengths.
- the signaling that carries the first information is RRC signaling.
- the IE Information Elements, information particle
- RACH-ConfigGeneric in TS 38.331 carries the first information.
- the first target power value includes preambleReceivedTargetPower in TS 38.331.
- the first target power value includes DELTA_PREAMBLE in TS 38.321.
- the unit of the first target power value is dBm.
- the unit of the first target power value is watts.
- the unit of the first target power value is milliwatts.
- the unit of the first target power value is dB.
- the first step includes PREAMBLE_POWER_RAMPING_STEP in TS 38.321.
- the first step includes powerRampingStep in TS 38.331.
- the unit of the first step length is dB.
- the first count value includes PREAMBLE_POWER_RAMPING_COUNTER in TS 38.321.
- the first target power value is related to the first timing offset value.
- the first target power value is related to the second timing offset value.
- the first target power value is related to the type of the second node N2.
- the first target power value is related to the height of the second node N2.
- the first step length is related to the first timing offset value.
- the first step length is related to the type of the second node N2.
- the first step length is related to the height of the second node N2.
- the transmit power value of the first signal is the smaller of the first maximum power value and the first power value, and the first power value is the same as the first power value.
- the first target power value is linearly related, and the first power value is linearly related to the product of the first step length and the first count value.
- the first maximum power value includes PCMAX ,f,c (i) in TS 38.213.
- the first power value is equal to the sum of the first target power value, DELTA_PREAMBLE, and the first path loss value, and the first path loss value includes the PL in TS 38.213 b,f,c .
- the first power value is P 1
- the P 1 is determined by the following formula:
- P 1 preambleReceivedTargetPower+DELTA_PREAMBLE+(PREAMBLE_POWER_RAMPING_COUNTER–1) ⁇ PREAMBLE_POWER_RAMPING_STEP+PL b,f,c
- -PREAMBLE_POWER_RAMPING_STEP is the first step length.
- the transmit power value of the first signal is the smaller of the first maximum power value and the first power value, and the first power value is the same as the first power value.
- the first target power value is linearly related.
- the first maximum power value includes PCMAX ,f,c (i) in TS 38.213.
- the first power value is equal to the sum of the first target power value, DELTA_PREAMBLE, and the first path loss value, and the first path loss value includes the PL in TS 38.213 b,f,c .
- the first power value is P 1
- the P 1 is determined by the following formula:
- P 1 preambleReceivedTargetPower+DELTA_PREAMBLE+PL b,f,c
- the first target power value, the first step length, and the second count value are used together. To determine the transmit power value of the second signal.
- the second count value is equal to the first count value plus one.
- the first signal and the second signal follow the same power-up process.
- the second count value is related to the first count value.
- the first signal and the second signal share the target counter.
- the transmit power value of the second signal is the first maximum power value and the second power value.
- the second power value is linearly related to the first target power value, and the second power value is linearly related to the product of the first step length and the second count value.
- the first maximum power value includes PCMAX ,f,c (i) in TS 38.213.
- the second power value is equal to the sum of the first target power value, DELTA_PREAMBLE, and the first path loss value, and the first path loss value includes TS 38.213 PL b,f,c .
- the second power value is P 2
- the P 2 is determined by the following formula:
- P 2 preambleReceivedTargetPower+DELTA_PREAMBLE+(PREAMBLE_POWER_RAMPING_COUNTER–1) ⁇ PREAMBLE_POWER_RAMPING_STEP+PL b,f,c
- -PREAMBLE_POWER_RAMPING_STEP is the first step length.
- the signaling that carries the second information is RRC signaling.
- the second count value does not change the value of the first signal Send count.
- the second count value has nothing to do with the first count value .
- the first count value and the second count value are respectively for the random access power increase count value when the terminal adopts the advance compensation timing advance and the random access power increase count value when the terminal does not use the advance compensation timing advance.
- the transmit power value of the second signal is the first The smaller of the maximum power value and the second power value, the second power value is linearly related to the first target power value, and the second power value is related to the second step size and the second power value.
- the product of the count value is linearly related.
- the first maximum power value includes PCMAX ,f,c (i) in TS 38.213.
- the second power value is equal to the sum of the first target power value, DELTA_PREAMBLE, and the first path loss value, and the first path loss value includes the PL in TS 38.213 b,f,c .
- the second power value is P 2
- P 2 is determined by the following formula:
- P 2 preambleReceivedTargetPower+DELTA_PREAMBLE+(PREAMBLE_POWER_RAMPING_COUNTER–1) ⁇ PREAMBLE_POWER_RAMPING_STEP+PL b,f,c
- -PREAMBLE_POWER_RAMPING_STEP is the second step length.
- the transmit power value of the second signal is the first The smaller of the maximum power value and the second power value, and the second power value is linearly related to the first target power value.
- the first maximum power value includes PCMAX ,f,c (i) in TS 38.213.
- the second power value is equal to the sum of the first target power value, DELTA_PREAMBLE, and the first path loss value, and the first path loss value includes the PL in TS 38.213 b,f,c .
- the second power value is P 2
- P 2 is determined by the following formula:
- P 2 preambleReceivedTargetPower+DELTA_PREAMBLE+PL b,f,c
- the third signal is a wireless signal.
- the third signal is a baseband signal.
- the third signal is a synchronization signal.
- the third signal includes PSS (Primary Synchronization Signal, primary synchronization signal).
- PSS Primary Synchronization Signal, primary synchronization signal
- the third signal includes SSS (Secondary Synchronization Signal).
- the third signal includes SSB (SS/PBCH Block, synchronization signal/physical broadcast signal block).
- SSB SS/PBCH Block, synchronization signal/physical broadcast signal block.
- the start time determined by the first node U1 according to the reference timing to reserve the time domain resources for sending the first signal is the first candidate time, and the first node U1 actually sends
- the start time of the time domain resource occupied by the first signal is the first time, and the time interval between the first time and the first candidate time is equal to the first timing offset value.
- the start time determined by the first node U1 according to the reference timing to reserve the time domain resources for sending the second signal is the second candidate time, and the first node U1 actually sends
- the start moment of the time domain resource occupied by the second signal is the second moment, and the time interval between the second moment and the second candidate moment is equal to the second timing offset value.
- the reference timing is downlink timing.
- the reference timing includes a boundary (Boundary) of a radio frame (Radio Frame).
- the reference timing includes the boundary of the time slot in the radio frame.
- the determining the reference timing includes determining a downlink SFN (System Frame Number, system frame number).
- the reference timing is determined to determine a downlink time slot (Slot) boundary.
- the determining the reference timing includes determining a downlink OFDM symbol boundary.
- the capability of the first node U1 is used to determine the first timing offset value.
- the capability of the first node U1 is used to determine the second timing offset value.
- the capability of the first node U1 includes the positioning capability of the first node U1.
- the capability of the first node U1 includes an uplink synchronization precompensation capability of the first node U1.
- the capability of the first node U1 includes the capability of the first node U1 to estimate the uplink TA by itself.
- the capability of the first node U1 includes: the first node U1 determines the capability of performing uplink synchronization precompensation according to the positioning result.
- the above phrase means that the capability of the first node U1 is used to determine the first timing offset value includes: the first node U1 determines the first timing offset according to the uplink synchronization precompensation capability Shift value.
- the above phrase means that the capability of the first node U1 is used to determine the first timing offset value includes: the first node U1 determines the first timing offset according to the uplink TA estimated by itself. Shift value.
- the capability of the first node U1 includes the positioning capability of the first node U1.
- the capability of the first node U1 includes a timing pre-compensation capability (Capability) of the first node U1.
- the capability of the first node U1 includes the positioning accuracy of the first node U1.
- the capability of the first node U1 includes whether the first node U1 supports a global positioning system (GNSS, Global Navigation Satellite System).
- GNSS Global Navigation Satellite System
- the capability of the first node U1 includes the calculation capability of the first node U1 for the transmission distance between the first node U1 and the second node N2 in this application.
- the capability of the first node U1 includes the calculation capability of the first node U1 for the transmission delay between the first node U1 and the second node N2 in this application.
- the capability of the first node U1 includes the pre-compensation (Pre-compensation of the first node U1 for the transmission delay between the first node U1 and the second node N2 in this application). Compensation) ability.
- the RSRP Reference Signal Received Power
- the RSRP and the capabilities of the first node U1 are jointly used to determine the first timing offset value.
- the wireless signal from the second node N2 includes a CSI-RS (Channel State Information Reference Signal) sent by the second node N2.
- CSI-RS Channel State Information Reference Signal
- the third information is carried by RRC signaling.
- the upper limit of the first count value is a positive integer greater than 1.
- the first count value when the first count value reaches the upper limit, the first count value is reset to 1.
- the upper limit of the second count value is a positive integer greater than 1.
- the second first count value is reset to 1.
- the detection of the first signal by the second node N2 includes that the second node N2 correctly receives the first signal.
- the second node N2 after detecting the first signal, does not send feedback for the first signal in the given time window in this application.
- the detecting the first signal includes incorrectly receiving the first signal.
- the second node N2 after detecting the first signal, does not send MsgB for the first signal in the given time window in this application.
- the second node N2 after detecting the first signal, the second node N2 sends a first feedback in the given time window in this application, and the MAC subPDU carried by the first feedback includes Backoff Instructions.
- the second node N2 after detecting the first signal, the second node N2 sends a first feedback in the given time window in this application, and the MAC subPDU carried by the first feedback includes Backoff Instructions.
- the second node N2 after detecting the first signal, the second node N2 sends the first feedback in the given time window in this application, and the MAC subPDU carried by the first feedback cannot be found To the same random access preamble sequence identifier (Random Access Preamble identifiers) as the PREAMBLE_INDEX used by the first signal.
- Random Access Preamble identifiers Random Access Preamble identifiers
- detecting the second signal by the second node N2 includes that the second node N2 correctly receives the second signal.
- the detection of the second signal by the second node N2 includes that the second node N2 does not correctly receive the second signal.
- the second node N2 is a satellite.
- the second node N2 is a base station used for non-terrestrial communication.
- the first node U1 determines the first timing offset value according to the location information of the first node U1.
- the first node U1 determines the second timing offset value according to the location information of the first node U1.
- the location information of the first node U1 in the present application includes: the longitude and latitude of the first node U1 when sending the first signal.
- the location information of the first node U1 in this application includes: the distance between the first node U1 and the projection point of the second node N2 on the ground surface when the first node U1 sends the first signal.
- the location information of the first node U1 in this application includes: the distance between the first node U1 and the second node N2 when sending the first signal.
- the target counter in the process from when the count value of the target counter is equal to the first count value to when the count value of the target counter is equal to the second count value, the target counter has not been suspended (Suspended).
- the target counter has not been suspended.
- the first node in the process from when the count value of the target counter is equal to the first count value to when the count value of the target counter is equal to the second count value, the first node does not go from a lower level ( Lower Layer) has received a notification of suspending the target counter (Notification).
- the first node has not received the Suspending from the lower layer. Notification of the target counter (Notification).
- the first signal and the first Both signals are associated with the same SSB or the same CSI-RS.
- both the first signal and the second signal are associated with the same SSB or the same CSI -RS.
- the first node device in the process from when the count value of the target counter is equal to the first count value to when the count value of the target counter is equal to the second count value, the first node device does not go from a lower level (Lower Layer) has received a notification to suspend the target counter, and both the first signal and the second signal are associated with the same SSB or the same CSI-RS.
- a lower level Lower Layer
- the first node device from the sending start time of the first signal to the sending start time of the second signal, the first node device has not received a notification to suspend the target counter from a lower layer, and Both the first signal and the second signal are associated with the same SSB or the same CSI-RS.
- Embodiment 6 illustrates a schematic diagram of a given timing offset value, as shown in FIG. 6.
- the first node has positioning capability, and the first node has uplink timing advance pre-compensation capability; the first node estimates that the first node sends the second node in this application to the second node.
- the timing advance of the node's uplink transmission, and the timing advance is equal to the given timing offset value.
- the start time of the time slot reserved for sending a given signal determined by the first node according to the reference timing is the first candidate time, and the first node actually The start moment of the time slot occupied by the given signal is the first moment, and the time interval between the first moment and the first candidate moment is equal to the given timing offset value; in the figure
- the squares identify timeslots, and the numbers in the squares indicate timeslot numbers; T1 identified in the figure corresponds to the given timing offset value.
- the given timing offset value is the first timing offset value in this application, and the given signal is the first signal.
- the given timing offset value is the second timing offset value in this application, and the given signal is the second signal.
- the unit of the given timing offset value is milliseconds.
- the duration of the given timing offset value in the time domain is equal to the duration of a positive integer number of time slots.
- the duration of the given timing offset value in the time domain is equal to the duration of a positive integer number of consecutive multi-carrier symbols.
- Embodiment 7 illustrates a schematic diagram of the target timing offset value, as shown in FIG. 7.
- the start time of the time slot reserved for sending the target signal determined by the first node according to the reference timing is the second candidate moment, and the first node actually sends the target signal occupied
- the start time of the time slot is the second time, and the time interval between the second time and the second candidate time is equal to the target timing offset value;
- the square in the figure identifies the time slot, and the square in the square
- the number represents the time slot number; T2 identified in the figure corresponds to the target timing offset value, and the T2 is equal to zero.
- the target timing offset value is the first timing offset value in this application, and the given signal is the first signal.
- the target timing offset value is the second timing offset value in this application, and the given signal is the second signal.
- Embodiment 8 illustrates the flow chart of the target counter according to the present application; as shown in FIG. 8.
- the first node performs the following steps:
- step 801 determine whether the first timing offset value is equal to the second timing offset value, if "yes” go to step 802, if "no” go to step 803;
- step 802 the first count value remains unchanged, and the second count value is equal to the first count value plus 1;
- step 803 the first count value remains unchanged, and the second count value is equal to 1;
- step 804 determine whether the first counting system is greater than the first threshold; if "yes”, go to step 8041; if "no”, go to step 805; in step 8041, reset the first count value to "1" , And go to step 805;
- step 805 determine whether the second counting system is greater than the second threshold; if "yes”, go to step 8051; if "no”, go to step 801; in step 8051, reset the first count value to "1" , And go to step 801.
- the first threshold is an upper limit of the first count value.
- the second threshold is an upper limit of the second count value.
- the first threshold is configured through higher layer (Higher Layer) signaling.
- the first threshold is configured through RRC signaling.
- the second threshold is configured through higher layer signaling.
- the second threshold is configured through RRC signaling.
- the target counter includes a first sub-counter and a second sub-counter, the first sub-counter is used for counting the first count value, and the second sub-counter is used for the first sub-counter. Count of two count values.
- Embodiment 9 illustrates a structural block diagram in the first node, as shown in FIG. 9.
- the first node 900 includes a first transceiver 901 and a first transmitter 902.
- the first transceiver 901 sends a first signal, and the first signal is used to initiate random access;
- the first transmitter 902 sends a second signal, and the second signal is used to initiate random access;
- the target counter is used for counting in the random access initiated by the first node, and the count value of the target counter is a positive integer; the count value of the target counter when the first signal is sent Is the first count value, the count value of the target counter when sending the second signal is the second count value; the first timing offset value is used to determine the timing of the first signal transmission, and the second timing offset The shift value is used to determine the transmission timing of the second signal; whether the first timing offset value and the second timing offset value are equal is used to determine the first count value and the second count The magnitude relationship between the values; the random access initiated by the first signal is unsuccessful.
- the second count value is equal to the first count value plus 1; when the first timing offset value When the value and the second timing offset value are not equal, the second count value is not greater than the first count value.
- the format adopted by the first signal is related to the first timing offset value
- the format adopted by the second signal is related to the second timing offset value
- the format used includes at least one of the length of the sequence for generating the first signal, the length of the cyclic prefix included in the first signal, and the blank length included in the time domain resources occupied by the first signal
- the format used by the second signal includes the length of the sequence in which the second signal is generated, the length of the cyclic prefix included in the second signal, and the blank space included in the time domain resources occupied by the second signal At least one of the lengths.
- the first transceiver 901 receives first information; the first information is used to determine the first target power value and the first step length; when the first count value is greater than 1, the The first target power value, the first step length, and the first count value are used together to determine the transmit power value of the first signal; when the first count value is equal to 1, the first target Among the power value, the first step length, and the first count value, only the first target power value is used to determine the transmission power value of the first signal.
- the first target power value, the first step length, and the second count value are used together. To determine the transmit power value of the second signal.
- the first transceiver 901 receives second information; the second information is used to determine the second step size; when the first timing offset value and the second timing offset value are different When equal and the second count value is greater than 1, the first target power value, the second step size, and the second count value are jointly used to determine the transmission power value of the second signal; When the first timing offset value and the second timing offset value are not equal and the second count value is equal to 1, the first target power value, the second step size, and the second count value Only the first target power value is used to determine the transmission power value of the second signal.
- the first transceiver 901 receives a third signal; the third signal is used to determine the reference timing; the timing offset between the transmission timing of the first signal and the reference timing Equal to the first timing offset value, and the timing offset between the sending timing of the second signal and the reference timing is equal to the second timing offset value.
- the capability of the first node is used to determine the first timing offset value.
- the first transceiver 901 receives third information; when the first timing offset value and the second timing offset value are not equal, the second count value is equal to 1, and the The third information is used to determine the upper limit of the first count value.
- the first transceiver 901 receives a fourth signal; the fourth signal is used to indicate that the first node can determine the first timing offset value by itself according to its own capabilities.
- the first transceiver 901 includes the antenna 452, the receiver/transmitter 454, the multi-antenna receiving processor 458, the receiving processor 456, the multi-antenna transmitting processor 457, and the transmitting processor in the fourth embodiment. 468. At least the first 6 of the controller/processor 459.
- the first transmitter 902 includes at least the first four of the antenna 452, the transmitter 454, the multi-antenna transmission processor 457, the transmission processor 468, and the controller/processor 459 in the fourth embodiment.
- Embodiment 10 illustrates a structural block diagram in the second node, as shown in FIG. 10.
- the second node 1000 includes a second transceiver 1001 and a first receiver 1002.
- the second transceiver 1001 detects a first signal, and the first signal is used to initiate random access;
- the first receiver 1002 detects a second signal, and the second signal is used to initiate random access;
- the target counter is used for counting in the random access initiated by the sender of the first signal, and the count value of the target counter is a positive integer; when the target counter sends the first signal The count value of is the first count value, and the count value of the target counter when sending the second signal is the second count value; the first timing offset value is used to determine the sending timing of the first signal, The second timing offset value is used to determine the transmission timing of the second signal; whether the first timing offset value and the second timing offset value are equal are used to determine the first count value and the The magnitude relationship between the second count values; the random access initiated by the first signal is unsuccessful.
- the second count value is equal to the first count value plus 1; when the first timing offset value When it is not equal to the second timing offset value, the second count value is not greater than the first count value.
- the format adopted by the first signal is related to the first timing offset value
- the format adopted by the second signal is related to the second timing offset value
- the format used includes at least one of the length of the sequence for generating the first signal, the length of the cyclic prefix included in the first signal, and the blank length included in the time domain resources occupied by the first signal
- the format used by the second signal includes the length of the sequence in which the second signal is generated, the length of the cyclic prefix included in the second signal, and the blank space included in the time domain resources occupied by the second signal At least one of the lengths.
- the second transceiver 1001 sends first information; the first information is used to determine the first target power value and the first step length; when the first count value is greater than 1, the first information A target power value, the first step length, and the first count value are used together to determine the transmit power value of the first signal; when the first count value is equal to 1, the first target power Among the value, the first step length, and the first count value, only the first target power value is used to determine the transmission power value of the first signal.
- the first target power value, the first step length, and the second count value are used together Determine the transmission power value of the second signal.
- the second transceiver 1001 sends second information; the second information is used to determine the second step size; when the first timing offset value and the second timing offset value are not equal And when the second count value is greater than 1, the first target power value, the second step size, and the second count value are jointly used to determine the transmit power value of the second signal; when the When the first timing offset value and the second timing offset value are not equal and the second count value is equal to 1, the first target power value, the second step size, and the second count value Only the first target power value is used to determine the transmission power value of the second signal.
- the second transceiver 1001 sends a third signal; the third signal is used to determine the reference timing; the timing offset between the sending timing of the first signal and the reference timing is equal to The first timing offset value, the timing offset between the transmission timing of the second signal and the reference timing is equal to the second timing offset value.
- the capability of the sender of the first signal is used to determine the first timing offset value.
- the second transceiver 1001 sends third information; when the first timing offset value and the second timing offset value are not equal, the second count value is equal to 1, and the first Three pieces of information are used to determine the upper limit of the first count value.
- the second transceiver 1001 sends a fourth signal; the fourth signal is used to indicate that the sender of the first signal can determine the first timing offset value according to its own capabilities, or The fourth signal is used to indicate that the sender of the first signal can determine the second timing offset value by itself according to its own capabilities.
- the second transceiver 1001 includes the antenna 420, the transmitter/receiver 418, the multi-antenna transmitting processor 471, the transmitting processor 416, the multi-antenna receiving processor 472, and the receiving processor in the fourth embodiment. 470. At least the first 6 of the controller/processor 475.
- the first receiver 1002 includes at least the first four of the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, and the controller/processor 475 in the fourth embodiment.
- the first and second nodes in this application include, but are not limited to, mobile phones, tablets, notebooks, network cards, low-power devices, eMTC devices, NB-IoT devices, in-vehicle communication devices, vehicles, vehicles, RSUs, and aircraft , Aircraft, drones, remote control aircraft and other wireless communication equipment.
- the base stations in this application include, but are not limited to, macro cell base stations, micro cell base stations, home base stations, relay base stations, eNBs, gNBs, transmission and reception nodes TRP, GNSS, relay satellites, satellite base stations, air base stations, RSUs and other wireless communication equipment .
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Abstract
Description
Claims (12)
- 一种用于无线通信中的第一节点,其特征在于包括:第一收发机,发送第一信号,所述第一信号被用于发起随机接入;第一发射机,发送第二信号,所述第二信号被用于发起随机接入;其中,目标计数器被用于所述第一节点所发起的随机接入中的计数,所述目标计数器的计数值是正整数;所述目标计数器在发送所述第一信号时的计数值是第一计数值,所述目标计数器在发送所述第二信号时的计数值是第二计数值;第一定时偏移值被用于确定所述第一信号的发送定时,第二定时偏移值被用于确定所述第二信号的发送定时;所述第一定时偏移值和所述第二定时偏移值是否相等被用于确定所述第一计数值和所述第二计数值之间的大小关系;所述第一信号所发起的随机接入不成功。
- 根据权利要求1所述的第一节点,其特征在于,当所述第一定时偏移值和所述第二定时偏移值相等时,所述第二计数值等于所述第一计数值加1;当所述第一定时偏移值和所述第二定时偏移值不相等时,所述第二计数值不大于所述第一计数值。
- 根据权利要求1或2所述的第一节点,其特征在于,所述第一信号所采用的格式和所述第一定时偏移值有关,所述第二信号所采用的格式和所述第二定时偏移值有关;所述第一信号所采用的格式包括生成所述第一信号的序列的长度、所述第一信号所包括的循环前缀的长度、所述第一信号所占用的时域资源所包括的空白长度中的至少之一;所述第二信号所采用的格式包括生成所述第二信号的序列的长度、所述第二信号所包括的循环前缀的长度、所述第二信号所占用的时域资源所包括的空白长度中的至少之一。
- 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,所述第一收发机接收第一信息;所述第一信息被用于确定第一目标功率值和第一步长;当所述第一计数值大于1时,所述第一目标功率值、所述第一步长和所述第一计数值共同被用于确定所述第一信号的发射功率值;当所述第一计数值等于1时,所述第一目标功率值、所述第一步长和所述第一计数值中只有所述第一目标功率值被用于确定所述第一信号的发射功率值。
- 根据权利要求4所述的第一节点,其特征在于,当所述第一定时偏移值和所述第二定时偏移值相等时,所述第一目标功率值、所述第一步长和所述第二计数值共同被用于确定所述第二信号的发射功率值。
- 根据权利要求4所述的第一节点中的方法,其特征在于,所述第一收发机接收第二信息;所述第二信息被用于确定第二步长;当所述第一定时偏移值和所述第二定时偏移值不相等并且所述第二计数值大于1时,所述第一目标功率值、所述第二步长和所述第二计数值共同被用于确定所述第二信号的发射功率值;当所述第一定时偏移值和所述第二定时偏移值不相等并且所述第二计数值等于1时,所述第一目标功率值、所述第二步长和所述第二计数值中只有所述第一目标功率值被用于确定所述第二信号的发射功率值。
- 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,所述第一收发机接收第三信号;所述第三信号被用于确定所述参考定时;所述第一信号的发送定时和所述参考定时之间的定时偏移等于所述第一定时偏移值,所述第二信号的发送定时和所述参考定时之间的定时偏移等于所述第二定时偏移值。
- 根据权利要求1至7中任一权利要求所述的第一节点,其特征在于,所述第一节点的能力被用于确定所述第一定时偏移值。
- 根据权利要求1至8中任一权利要求所述的第一节点,其特征在于,所述第一收发机接收第三信息;当所述第一定时偏移值和所述第二定时偏移值不相等时,所述第二计数值等于1,所述第三信息被用于确定所述第一计数值的上限。
- 一种用于无线通信中的第二节点,其特征在于包括:第二收发机,检测第一信号,所述第一信号被用于发起随机接入;第一接收机,检测第二信号,所述第二信号被用于发起随机接入;其中,目标计数器被用于所述第一信号的发送者所发起的随机接入中的计数,所述目标计数器的计数值是正整数;所述目标计数器在发送所述第一信号时的计数值是第一计数值, 所述目标计数器在发送所述第二信号时的计数值是第二计数值;第一定时偏移值被用于确定所述第一信号的发送定时,第二定时偏移值被用于确定所述第二信号的发送定时;所述第一定时偏移值和所述第二定时偏移值是否相等被用于确定所述第一计数值和所述第二计数值之间的大小关系;所述第一信号所发起的随机接入不成功。
- 一种用于无线通信中的第一节点中的方法,其特征在于包括:发送第一信号,所述第一信号被用于发起随机接入;发送第二信号,所述第二信号被用于发起随机接入;其中,目标计数器被用于所述第一节点所发起的随机接入中的计数,所述目标计数器的计数值是正整数;所述目标计数器在发送所述第一信号时的计数值是第一计数值,所述目标计数器在发送所述第二信号时的计数值是第二计数值;第一定时偏移值被用于确定所述第一信号的发送定时,第二定时偏移值被用于确定所述第二信号的发送定时;所述第一定时偏移值和所述第二定时偏移值是否相等被用于确定所述第一计数值和所述第二计数值之间的大小关系;所述第一信号所发起的随机接入不成功。
- 一种用于无线通信中的第二节点中的方法,其特征在于包括:检测第一信号,所述第一信号被用于发起随机接入;检测第二信号,所述第二信号被用于发起随机接入;其中,目标计数器被用于所述第一信号的发送者所发起的随机接入中的计数,所述目标计数器的计数值是正整数;所述目标计数器在发送所述第一信号时的计数值是第一计数值,所述目标计数器在发送所述第二信号时的计数值是第二计数值;第一定时偏移值被用于确定所述第一信号的发送定时,第二定时偏移值被用于确定所述第二信号的发送定时;所述第一定时偏移值和所述第二定时偏移值是否相等被用于确定所述第一计数值和所述第二计数值之间的大小关系;所述第一信号所发起的随机接入不成功。
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US20190045457A1 (en) * | 2017-08-07 | 2019-02-07 | Qualcomm Incorporated | Uplink transmit power control during random access procedures |
CN109845384A (zh) * | 2016-07-26 | 2019-06-04 | 夏普株式会社 | 终端装置、基站装置以及通信方法 |
CN109845354A (zh) * | 2016-07-26 | 2019-06-04 | 夏普株式会社 | 终端装置、基站装置以及通信方法 |
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US20190045457A1 (en) * | 2017-08-07 | 2019-02-07 | Qualcomm Incorporated | Uplink transmit power control during random access procedures |
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