CN112887065B - Method and equipment used for wireless communication - Google Patents

Method and equipment used for wireless communication Download PDF

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Publication number
CN112887065B
CN112887065B CN201911198784.2A CN201911198784A CN112887065B CN 112887065 B CN112887065 B CN 112887065B CN 201911198784 A CN201911198784 A CN 201911198784A CN 112887065 B CN112887065 B CN 112887065B
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signal
sequence
time
signaling
sequences
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CN112887065A (en
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张晓博
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Shanghai Langbo Communication Technology Co Ltd
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Shanghai Langbo Communication Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0092—Indication of how the channel is divided
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A method and apparatus for wireless communication is disclosed. A first node receiving a first signal and a first signaling group, the first signal being used to determine a first measurement result; a first node sends a target signal; wherein the first signaling group is used to indicate a first sequence set, the first sequence set comprises a plurality of sequences, the first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, the first time-frequency resources belong to the first set of time-frequency resources, the target signal occupies the first time-frequency resources, the first measurement result and a first counter are used together to determine the first sequence from the first sequence set, the first counter is related to random access, and the target signal is used for random access. By setting the first counter, the access flow is adjusted and optimized, time delay is reduced, and efficiency is improved.

Description

Method and equipment used for wireless communication
Technical Field
The present invention relates to a transmission method and apparatus in a wireless communication system, and more particularly, to a transmission method and apparatus for reducing delay and improving transmission reliability in wireless communication, and to a non-terrestrial network.
Background
In the future, the application scenes of the wireless communication system are more and more diversified, and different application scenes put different performance requirements on the system. In order to meet different performance requirements of various application scenarios, research on New Radio interface (NR) technology (or fine Generation, 5G) is decided over 72 sessions of 3GPP (3rd Generation Partner Project) RAN (Radio Access Network), and standardization Work on NR is started over WI (Work Item) where NR passes through 75 sessions of 3GPP RAN.
In Communication, both LTE (Long Term Evolution) and 5G NR relate to Reliable system access, which is important for normal Communication between a base station and user equipment, reasonable scheduling of resources, and effective coordination of system interference, and may be a high throughput rate, a fundamental stone for improving spectrum utilization, and are indispensable for either eMBB (enhanced Mobile BroadBand), URLLC (Ultra Reliable Low Latency Communication), or eMTC (enhanced Machine Type Communication). Meanwhile, in IIoT (Industrial Internet of Things, in V2X (Vehicular to X), Device to Device communication (Device to Device) in vehicle-mounted communication, in unlicensed spectrum communication, in user communication quality monitoring, in Network planning optimization, and in NTN (Non terrestrial Network communication), in a mixture of the above various communication modes, there are wide applications in radio resource management and codebook selection for multiple antennas.
With the increasing of the scenes and complexity of the system, higher requirements are put forward on reducing time delay, enhancing reliability, enhancing the stability of the system and quickly and reliably accessing, and meanwhile, the compatibility between different versions of different systems needs to be considered during the design of the system.
Disclosure of Invention
In different communication scenes, if communication needs to be initiated, a user needs to access a network firstly; in the communication process, the signal quality is reduced due to the problems of the sending or receiving party, or due to the influence of the communication propagation delay, or due to non-ideal device factors, and even communication interruption occurs, and the user equipment needs to be accessed again. In order to reduce the interruption time, quickly access the system, reduce the overall communication delay, and provide a fast, reliable and stable access method, especially when the distance between nodes is long, or other reasons, such as signal detection failure, cause a large delay in the process, the access process may generate further uncertainty, and further cause communication interruption. This can lead to a reduction in resource efficiency, difficulty in ensuring communication quality, inability of nodes to establish effective communication bearers, and various complications. On the other hand, the delay in the communication process may cause inaccurate measurement, or the measurement result is out of date, but the measurement itself has a certain error, which may cause the user to initiate access with improper power, or may cause the detection requirement of the access signal to be not satisfied even with the maximum transmission power due to the large propagation loss of the user signal, thereby causing access difficulty. This is especially true for networks with large propagation delays. In addition, the design criteria, accuracy and geographical location of different systems may be different, and various communication scenarios may be mixed, which all bring problems to the design of the systems.
In view of the above, the present application provides a solution.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments in any node of the present application may be applied to any other node. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict. In addition, it should be noted that, in the above problem description, the NTN scenario is only taken as an example of an application scenario of the solution provided in the present application; the method and the device are also applicable to the scenes such as the ground network, and achieve the technical effect similar to the NTN scene. Similarly, the present application is also applicable to scenarios where there is a network of UAVs (Unmanned Aerial vehicles), or internet of things devices, for example, to achieve technical effects in NTN-like scenarios. Furthermore, employing a unified solution for different scenarios (including but not limited to NTN scenarios and ground network scenarios) also helps to reduce hardware complexity and cost.
The application discloses a method in a first node used for wireless communication, characterized by comprising:
receiving a first signal and a first signaling group, the first signal being used to determine a first measurement result;
transmitting a target signal;
wherein the first signaling group is used to indicate a first sequence set, the first sequence set comprises a plurality of sequences, the first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, the first time-frequency resources belong to the first set of time-frequency resources, the target signal occupies the first time-frequency resources, the first measurement result and a first counter are used together to determine the first sequence from the first sequence set, the first counter is related to random access, and the target signal is used for random access.
As an embodiment, the problem to be solved by the present application includes: when a node initiates random access or performs random access due to link failure or does not perform random access for a plurality of times, especially when the propagation delay and propagation loss of a link are large, how to reliably access a system in a short time. The method properly selects a proper beam and a format of a preamble sequence used by the access according to the access times, thereby solving the problem.
As an embodiment, the characteristics of the above method include: the first Signal includes an SSB (Synchronization Signal Block), the target Signal includes an access Preamble sequence (Preamble), and the first signaling group includes an SIB (System Information Block).
As an embodiment, the characteristics of the above method include: the first Signal includes a CSI-RS (Channel State Information-Reference Signal), and the first signaling group includes an MIB (Master Information Block).
As an embodiment, the characteristics of the above method include: the first signaling group includes a plurality of SIB messages associated with different SSBs.
As an embodiment, the characteristics of the above method include: the first signaling group comprises a Random access configuration (Random access configuration) message; the first set of signaling includes a PRACH Configuration Index.
As an embodiment, the characteristics of the above method include: the first signaling group includes a PRACH Configuration Index (Physical Random Access Channel Configuration Index).
As an embodiment, the characteristics of the above method include: the first set of time-frequency resources comprises time-frequency resources used for Random access, and the configuration mode of the first set of time-frequency resources comprises Random access configuration signaling.
As an embodiment, the characteristics of the above method include: the first COUNTER includes PREAMBLE _ transition _ COUNTER.
As an embodiment, the characteristics of the above method include: the first set of sequences comprises a set of preambles for random access.
As an embodiment, the characteristics of the above method include: the first sequence set comprises a Preamble Format set for random access.
As an embodiment, the characteristics of the above method include: the system indicates the formats of various Preamble Format Preamble sequences.
As an embodiment, the characteristics of the above method include: the first sequence includes a Preamble for random access.
As an embodiment, the characteristics of the above method include: the first sequence includes PREAMBLE _ INDEX.
As an embodiment, the characteristics of the above method include: the first sequence comprises Preamble format.
As an example, the benefits of the above method include: configuring various different leading sequences, and selecting proper leading sequences according to the condition of access failure, which is beneficial to enhancing the reliability of random access.
Specifically, according to one aspect of the present application, the method is characterized by including: all sequences comprised by the first set of sequences are associated with the first signal and all time-frequency resources comprised by the first set of time-frequency resources are associated with the first signal.
As an embodiment, all sequences comprised by the first set of sequences of sentences are associated with the first signal, including:
as an embodiment, all sequences of the first set of sequences are used only for generating the target signal associated with the first signal;
as an embodiment, the target signal generated by any sequence of the first set of sequences is transmitted only on time-frequency resources determined by the first signal
As an embodiment, the target signal generated by any sequence in the first set of sequences is transmitted only on the antenna port determined by the first signal;
as an embodiment, the target signal generated by any sequence of the first set of sequences remains synchronized with the first signal.
As an embodiment, the associating all time-frequency resources included in the first set of time-frequency resources with the first signal includes:
as an embodiment, all time-frequency resources in the first set of time-frequency resources are determined by the first signal;
as an embodiment, the signals transmitted on all time-frequency resources in the first set of time-frequency resources have the same antenna port as the first signal;
as an embodiment, signals transmitted on all time-frequency resources in the first set of time-frequency resources are quasi co-located with the first signal;
as an embodiment, signals transmitted on time-frequency resources in the first set of time-frequency resources remain synchronized with the first signal.
In particular, according to one aspect of the present application, said first signaling group is associated with said first signal, said first signaling group being used to indicate a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal.
As an embodiment, the characteristics of the above method include: the second Signal includes an SSB (Synchronization Signal Block).
As an embodiment, the characteristics of the above method include: the second Signal includes a Channel State Information-Reference Signal (CSI-RS).
As an embodiment, the characteristics of the above method include: the second time-frequency resource set comprises time-frequency resources used for Random access, and the configuration mode of the second time-frequency resource set comprises Random access configuration signaling.
In one embodiment, the first signaling group is transmitted on time-frequency resources determined by the first signal.
In one embodiment, the first signaling group is transmitted on time-frequency resources indicated by the first signal.
For one embodiment, the first signaling group is synchronized with the first signal.
As an embodiment, the first signaling group is transmitted on the spatial resources determined by the first signal.
As an embodiment, the system parameters followed by the first signaling group are configured by a Master Information Block (MIB) and a System Information Block (SIB) determined by the first signal.
As one embodiment, the sentence the second sequence is associated with the second signal, comprising:
as an embodiment, the second sequence is used only to generate the target signal associated with the second signal;
in one embodiment, the target signal generated by the second sequence is transmitted only on the time-frequency resource determined by the second signal
As an embodiment, the target signal generated by the second sequence is transmitted only on the antenna port determined by the second signal;
as an embodiment, the target signal generated by the second sequence remains synchronized with the second signal.
As an embodiment, the system parameters followed by the generation process of the signal generated by the second sequence are configured by a Master Information Block (MIB) and a System Information Block (SIB) determined by the second signal.
As an embodiment, the first time-frequency resource is associated with the first signal, including:
as an embodiment, all time-frequency resources on the second time-frequency resource are determined by the second signal;
as an embodiment, the signal transmitted on the second time-frequency resource has the same antenna port as the second signal;
for one embodiment, the signal transmitted on the second time-frequency resource is quasi co-located with the second signal;
as an embodiment, the signal transmitted on the second time-frequency resource is kept synchronized with the second signal;
as an embodiment, the system parameters to which the signal transmitted on the second time-frequency resource is subject are determined by a master message block (MIB) and a system message block (SIB) determined by the second signal.
In particular, according to an aspect of the present application, the first signaling group includes first signaling, the first signaling is associated with the first signal, and the first signaling is used for indicating a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal; the first signaling group includes second signaling associated with the second signal, the second signaling being used to indicate the second time-frequency resource.
In one embodiment, the first signaling is transmitted on time-frequency resources determined by the first signal.
In one embodiment, the first signaling is transmitted on time-frequency resources indicated by the first signal.
As an embodiment, the first signaling is synchronized with the first signal.
As an embodiment, the first signaling is transmitted on the spatial resources determined by the first signal.
As an embodiment, the system parameters followed by the first signaling are configured by a Master Information Block (MIB) and a System Information Block (SIB) determined by the first signal.
In one embodiment, the second signaling is transmitted on the time-frequency resource determined by the second signal.
In one embodiment, the second signaling is transmitted on time-frequency resources indicated by the second signal.
As an embodiment, the second signaling is synchronized with the second signal.
As an embodiment, the second signaling is transmitted on the spatial resources determined by the second signal.
As an embodiment, the system parameters followed by the second signaling are configured by a Master Information Block (MIB) and a System Information Block (SIB) determined by the first signal.
In particular, according to one aspect of the present application, it is characterized in that said first signal and said second signal are quasi co-located.
As an embodiment, the characteristics of the above method include: the first signal and the second signal are QCL (Quasi Co-Located).
As an embodiment, the time-frequency resources determined by the first signal and the time-frequency resources determined by the second signal are geographically coinciding.
As an embodiment, the time-frequency resources determined by the first signal and the time-frequency resources determined by the second signal overlap geographically.
In particular, according to one aspect of the present application, K1 candidate signals are transmitted;
wherein the value of the first counter is equal to K1, and the transmission power value of the last candidate signal in the time domain of the K1 candidate signals is a first power value; at least two sequences are included in the first sequence set, and the lengths of the two sequences are different; the length of the first sequence is related to the K1; the K1 is a positive integer greater than 1; the first set of sequences is used to generate the K1 candidate signals.
As an embodiment, the characteristics of the above method include: the K1 candidate signals are random access request signals.
As an embodiment, the characteristics of the above method include: the K1 candidate signals are Preamble signals.
As an embodiment, the characteristics of the above method include: where K1-1 random access requests all failed.
In particular, according to one aspect of the present application, the first receiver receives third signaling, and the third signaling is used for feeding back the target signal.
As an embodiment, the characteristics of the above method include: the third signaling includes DCI (Downlink Control Information).
As an embodiment, the characteristics of the above method include: the third signaling is sent on a PDCCH (Physical Downlink Control Channel).
As an embodiment, the characteristics of the above method include: the third signaling includes a MAC CE (MAC control element).
As an embodiment, the characteristics of the above method include: the third signaling includes RAR (Random Access Response).
As an embodiment, the characteristics of the above method include: the third signaling includes a TCI (Transmission Configuration Indication).
As an embodiment, the characteristics of the above method include: the third signaling comprises msg2 (message 2).
As an embodiment, the characteristics of the above method include: the third signaling comprises msgB (messages).
In particular, according to an aspect of the present application, it is characterized in that said first node is a user equipment.
In particular, according to one aspect of the present application, it is characterized in that said first node is a relay.
Specifically, according to an aspect of the present application, the first node is a vehicle-mounted terminal.
In particular, according to one aspect of the present application, it is characterized in that said first node is an aircraft.
The application discloses a method in a second node used for wireless communication, characterized by comprising:
transmitting a first signal and a first signaling group, the first signal being used to determine a first measurement result;
receiving a target signal;
wherein the first signaling group is used to indicate a first sequence set, the first sequence set comprises a plurality of sequences, the first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, the first time-frequency resources belong to the first set of time-frequency resources, the target signal occupies the first time-frequency resources, the first measurement result and a first counter are used together to determine the first sequence from the first sequence set, the first counter is related to random access, and the target signal is used for random access.
Specifically, according to an aspect of the present application, all sequences included in the first sequence set are associated with the first signal, and all time-frequency resources included in the first time-frequency resource set are associated with the first signal.
In particular, according to an aspect of the present application, said first signaling group is associated with said first signal, said first signaling group is used to indicate a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal.
In particular, according to an aspect of the present application, the first signaling group includes first signaling, the first signaling is associated with the first signal, and the first signaling is used for indicating a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal; the first signaling group includes second signaling associated with the second signal, the second signaling being used to indicate the second time-frequency resource.
In particular, according to one aspect of the present application, it is characterized in that said first signal and said second signal are quasi co-located.
Specifically, according to an aspect of the present application, the method is characterized by comprising the following steps:
receiving K1 candidate signals;
wherein the value of the first counter is equal to K1, and the transmission power value of the last candidate signal in the time domain of the K1 candidate signals is a first power value; at least two sequences are included in the first sequence set, and the lengths of the two sequences are different; the length of the first sequence is related to the K1; the K1 is a positive integer greater than 1; the first set of sequences is used to generate the K1 candidate signals.
As an embodiment, the target signal is the last candidate signal in the time domain among the K1 candidate signals. s
Specifically, according to an aspect of the present application, the first transmitter transmits third signaling, and the third signaling is used for feeding back the target signal.
In particular, according to one aspect of the present application, it is characterized in that said first node is a base station.
In particular, according to one aspect of the present application, said first node is a relay.
Specifically, according to an aspect of the present application, the first node is a vehicle-mounted terminal.
In particular, according to one aspect of the present application, it is characterized in that said first node is an aircraft.
In particular, according to one aspect of the present application, it is characterized in that said first node is a satellite.
The present application discloses a first node for wireless communication, comprising:
a first receiver to receive a first signal and a first set of signaling, the first signal being used to determine a first measurement result;
a first transmitter that transmits a target signal;
wherein the first signaling group is used to indicate a first sequence set, the first sequence set comprises a plurality of sequences, the first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, the first time-frequency resources belong to the first set of time-frequency resources, the target signal occupies the first time-frequency resources, the first measurement result and a first counter are used together to determine the first sequence from the first sequence set, the first counter is related to random access, and the target signal is used for random access.
The present application discloses a second node for wireless communication, comprising:
a second transmitter to transmit a first signal and a first signaling group, the first signal being used to determine a first measurement result;
a second receiver receiving a target signal;
wherein the first signaling group is used to indicate a first sequence set, the first sequence set comprises a plurality of sequences, the first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, the first time-frequency resources belong to the first set of time-frequency resources, the target signal occupies the first time-frequency resources, the first measurement result and a first counter are used together to determine the first sequence from the first sequence set, the first counter is related to random access, and the target signal is used for random access.
As an example, compared with the conventional scheme, the method has the following advantages:
when the communication distance between the user equipment and the serving cell is long, the transmission delay is long, and particularly when satellite communication is involved, if according to the conventional scheme, the measurement result on which the user equipment initiates access may not meet the propagation loss actually experienced when the access signal reaches the serving cell, which may cause access failure; on the other hand, because the transmission delay is long, the user may not tolerate many access failures, and it is urgently needed to establish a more effective mechanism so that the user equipment can access the network with a higher probability after fewer access attempts; meanwhile, when the transmission delay is large, the propagation loss is also large, and the situation that the power is limited when the user equipment initiates access is likely to occur; according to the method and the device, the access is failed, the transmitting power of the user equipment and the preamble sequences in different formats are set, and the organic preamble sequences are combined together, so that the access success rate can be increased, the time delay is reduced, the power consumption is reduced, the reliability is improved, and the communication interruption time is shortened.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof with reference to the accompanying drawings in which:
fig. 1 shows a flow diagram of receiving a first signal and a first signaling group, transmitting a target signal, according to an embodiment of the application;
FIG. 2 shows a schematic diagram of a network architecture according to an embodiment of the present application;
figure 3 shows a schematic diagram of an embodiment of a radio protocol architecture for the user plane and the control plane according to an embodiment of the present application;
FIG. 4 shows a schematic diagram of a first node, a second node, according to an embodiment of the present application;
FIG. 5 shows a flow diagram of a transmission according to an embodiment of the present application;
FIG. 6 shows a flow diagram of a transmission according to an embodiment of the present application;
FIG. 6a shows a schematic diagram of a first counter according to an embodiment of the present application;
FIG. 6b shows a schematic diagram of a first counter according to an embodiment of the present application;
FIG. 7 shows a schematic diagram of a target signal generated by a first sequence according to an embodiment of the present application;
FIG. 8 shows a schematic diagram of a target signal generated by a first sequence according to an embodiment of the present application;
FIG. 9 shows a schematic diagram of a target signal generated by a first sequence according to an embodiment of the present application;
FIG. 10 shows a schematic diagram of a first set of time-frequency resources according to an embodiment of the present application;
FIG. 11 shows a schematic diagram of a first set of time-frequency resources according to an embodiment of the present application;
figure 12 shows a schematic diagram of the first signaling group being used to indicate a second signal according to an embodiment of the present application;
figure 12a shows a schematic diagram of the first signaling used to indicate a second signal according to an embodiment of the present application;
FIG. 13 shows a block diagram of a processing device for use in a first node according to an embodiment of the application;
fig. 14 shows a block diagram of a processing arrangement for use in a second node according to an embodiment of the present application.
Detailed Description
The technical solutions of the present application will be further described in detail with reference to the accompanying drawings, and it should be noted that the embodiments and features of the embodiments in the present application can be arbitrarily combined with each other without conflict.
Example 1
Embodiment 1 illustrates a flowchart of receiving a first signal and a first signaling group and transmitting a target signal according to an embodiment of the present application, as shown in fig. 1. In fig. 1, each block represents a step, and it is particularly emphasized that the sequence of the blocks in the figure does not represent a chronological relationship between the represented steps.
In embodiment 1, a first node in the present application receives a first signal and a first signaling group in step 101; transmitting a target signal in step 102; wherein the first signaling group is used to indicate a first sequence set, the first sequence set comprises a plurality of sequences, a first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, the first time-frequency resources belong to the first set of time-frequency resources, the target signal occupies the first time-frequency resources, the first measurement result and a first counter are jointly used to determine the first sequence from the first sequence set, the first counter is related to random access, and the target signal is used for random access.
As an embodiment, the first node is a UE (User Equipment).
As one embodiment, the first Signal includes SSB (Synchronization Signal Block).
As an embodiment, the characteristics of the above method include: the first Signal includes a CSI-RS (Channel State Information-Reference Signal).
As an embodiment, the first signaling group includes an SIB (System Information Block).
For one embodiment, the first signaling group includes MIB (Master Information Block).
As an embodiment, the first signaling group is transmitted on a PDSCH (Physical Downlink Shared Channel).
As an embodiment, the first signaling group is transmitted on a PBCH (Physical Broadcast Channel).
As an embodiment, the first signaling group is transmitted on a PSBCH (Physical Sidelink Broadcast Channel).
As one embodiment, the first signaling group is transmitted on PDSCH and PBCH.
As one embodiment, the first signaling group is transmitted on PDSCH and PSBCH.
As an embodiment, the first signaling group is transmitted on PSBCH and PBCH.
As one embodiment, the first signaling group is transmitted on PDSCH, PSBCH, and PBCH.
For one embodiment, the first signaling group includes a plurality of SIB messages associated with different SSBs.
As one embodiment, the sentence the first signaling group includes a plurality of SIB messages associated with different SSBs, including:
as an embodiment, the first signaling group includes a plurality of SIB messages transmitted on a plurality of time-frequency-space resources determined by an SSB;
as an embodiment, the plurality of SIB messages are transmitted on a plurality of beams;
as an embodiment, the plurality of SIB messages are transmitted on antenna ports determined by a plurality of reference signals;
as an embodiment, the plurality of SIB messages are transmitted on one beam, the one beam comprising a plurality of different SSBs;
in one embodiment, the plurality of SIB messages are transmitted on the same antenna port, where the same antenna port includes a plurality of different SSBs;
in one embodiment, the SIB messages are transmitted on a same antenna port, the same antenna port includes multiple different SSBs, the multiple different SSBs determine multiple time-frequency resources, and the SIB messages are transmitted on the multiple time-frequency resources determined by the multiple different SSBs.
As an embodiment, the first signaling group includes a Random access configuration (Random access configuration) information element;
as an embodiment, the first signaling group includes a rach-ConfigDedicated cell.
As an embodiment, the first signaling group includes a rach-ConfigCommon cell.
As one embodiment, the first signaling group includes a BWP-UplinkCommon cell
For one embodiment, the first signaling group includes a beamf ailurerecoveryconfig cell.
As an embodiment, the first signaling group comprises a rach-ConfigBFR information element.
As an embodiment, the first signaling group includes a PRACH Configuration Index (Physical Random Access Channel Configuration Index).
As an embodiment, the first signaling group includes a PRACH Configuration Index (Physical Random Access Channel Configuration Index).
In one embodiment, the target signal includes an access Preamble sequence (Preamble),
as an embodiment, the target signal is transmitted on a PRACH (Physical Random Access Channel).
As an embodiment, the target signal is transmitted on a PUCCH (Physical Uplink Control Channel).
As an embodiment, the first set of time-frequency resources comprises time-frequency resources for random access.
As an embodiment, the configuring manner of the first set of time and frequency resources includes configuring through Random access configuration signaling.
In one embodiment, the first set of time-frequency resources includes time-frequency resources used for transmission of PUCCH.
As an embodiment, the first set of time-frequency resources comprises time-frequency resources for random access on antenna ports determined by different SSBs.
As an embodiment, the first set of time-frequency resources comprises time-frequency resources for random access on time-frequency space resources determined by different SSBs.
As an embodiment, the first set of time-frequency resources comprises time-frequency resources used for random access by different cells.
As an embodiment, the first counter records the number of random access attempts.
As an embodiment, when the first node initiates random access, the value of the first counter is incremented by 1.
As an embodiment, when the first node successfully receives a response signal of initiating a random access request by the first node, the value of the first counter is set to 0.
As an embodiment, when the random access procedure of the first node is successful, the value of the first counter is set to 0.
As an embodiment, the first counter records the number of random access attempts initiated at maximum power.
As an embodiment, the first counter records the number of failed attempts to initiate access.
As one embodiment, the first counter records a number of times contention-based random access (CBRA) is initiated.
As one embodiment, the first counter records a number of times contention free based random access (CFRA) is initiated.
As an embodiment, the first counter records the number of random accesses triggered by a specific event.
As one embodiment, the specific event includes a handover.
As one embodiment, the specific event includes a beam failure recovery.
As an embodiment, the specific event includes a measurement report reporting.
As an embodiment, the specific service includes initiating a service request.
As one embodiment, the specific traffic includes responding to a page.
As one embodiment, the specific service includes satellite communication.
As an embodiment, the specific traffic includes traffic of a specific QoS (Quality of Service).
For one embodiment, the particular QoS includes low latency traffic.
As one embodiment, the particular QoS includes high reliability traffic.
As an embodiment, the first counter records the number of random accesses triggered by a specific service.
As an embodiment, the first counter records the number of random accesses by using group a (group a) preamble sequences for access.
As an embodiment, the first counter records the number of random accesses by using group b (group b) preamble sequences for access.
As one embodiment, the first counter is SSB based.
As an embodiment, the first counter is cell based.
As one embodiment, the first counter is based on an antenna port.
As an embodiment, the first COUNTER comprises PREAMBLE _ transition _ COUNTER.
As an embodiment, the first sequence set includes a Preamble (Preamble sequence) set for random access.
As an embodiment, the first sequence set includes preambles for random access having the same Format (Format).
As an embodiment, the first sequence set includes preambles for random access having different formats (formats).
As an embodiment, the first sequence is a reference signal.
As one embodiment, the first sequence is a series of signals.
As an embodiment, the first sequence is a Preamble for random access.
As an embodiment, the format of the Preamble includes a Long Preamble and a Short Preamble.
As an embodiment, the format of the Preamble includes a Long Preamble and a Short Preamble, and a combination thereof.
As an embodiment, the format of the Preamble includes a sequence repeated by a base sequence of a certain length.
As an embodiment, the format of the Preamble includes a sequence obtained by repeating a base sequence of a certain length, and a combination thereof.
As an example, the motif sequence is a Zadoff-Chu sequence.
As one example, the motif sequence is an m-sequence.
As an example, the motif sequence is a Gold sequence.
As an example, the motif sequence is a combination of a Zadoff-Chu sequence and an m-sequence.
As an example, the motif sequence is a combination of a Zadoff-Chu sequence and a Gold sequence.
As an example, the motif sequence is a combination of a Gold sequence and an m-sequence.
As an example, the motif sequence is a combination of a Zadoff-Chu sequence, a Gold sequence and an m-sequence.
As an embodiment, each sequence in the first set of sequences has an index by which the first sequence is determined.
As one embodiment, the INDEX includes PREAMBLE _ INDEX.
As an embodiment, the target signal occupies the first time-frequency resource.
In one embodiment, the first time-frequency resource includes a time-frequency resource block.
In one embodiment, the first time-frequency resource includes a plurality of time-frequency resource blocks.
As an embodiment, the target signal occupies all time-frequency resources of the first time-frequency resources;
as an embodiment, the target signal occupies a part of the time-frequency resources of the first time-frequency resources;
as an embodiment, the first signal and the first signaling group are transmitted by different cells.
As an embodiment, the first signal is transmitted by the same cell as the first signaling group.
As an embodiment, the first signal and the first signaling group belong to different PLMNs (Public Land Mobile networks).
As an embodiment, the first signal and the first signaling group belong to different PLMNs (Public Land Mobile networks) of the same cell.
As an embodiment, the first signal and the first signaling group belong to different PLMNs (Public Land Mobile networks) of different cells.
As an embodiment, the first signal and the first signaling group belong to the same PLMN (Public Land Mobile Network).
As one embodiment, the first measurement result includes RSRP (Reference Signal Receiving Power).
As one embodiment, the first measurement result includes RSRQ (Reference Signal Receiving Quality).
As an embodiment, the first measurement result comprises RSSI (Received Signal Strength Indication);
as an embodiment, the sentence the first measurement and a first counter are used together to determine the first sequence from the first set of sequences, comprising:
as an embodiment, the first counter is started when the first measurement result is greater than a certain threshold, the value of the first counter being used to determine the first sequence from the first set of sequences;
as an example, the specific threshold is-137 dB;
as an embodiment, the specific threshold is-110 dB;
as an example, the specific threshold is-2 dB;
as an example, the specific threshold is-6 dB;
as an example, the specific threshold is-8 dB;
as an example, the specific threshold is-10 dB;
as an embodiment, the sequences in the first sequence set have a total of N sequences, L from small to large 0 ，L 1 ，L 2 ，…，L N-1 ；
As an embodiment, a value of the first counter has a mapping relation with the lengths of the N kinds of the sequences;
as one example, when the value of the first counter is 1, the length is L 0 Is determined as the first sequence when the length of the first sequence set is L 0 When the number of sequences of (a) is greater than 1, the first sequence is a randomly selected one of the sequences with the length of L0;
as an embodiment, the first measurement result together with the first counter forms a mapping with a sequence of the first set of sequences;
as one embodiment, when the first measurement result is RSRQ-2 dB and the value of the first counter is equal to 2, the length is L 1 Is determined as the first sequence;
as an embodiment, when the number of alternative sequences with equal length is larger than 1, a sequence is selected from the alternative sequences as the first sequence in a random manner;
as an embodiment, the first measurement is used to determine a transmit power of the target signal;
as an embodiment, when the transmission power of the target signal is less than a maximum transmission power of the first node and the first counter is less than a second threshold, a length is L 0 Is determined as the first sequence;
as a practical matterExample, when the target signal is transmitted with maximum power, the length is L when the first counter is equal to 1 0 Is determined as the first sequence;
as an embodiment, when the target signal is transmitted with the maximum power, when the first counter is equal to 1, one of the sequences of the shortest length that can satisfy a delay requirement is determined as the first sequence;
as an embodiment, when the target signal is transmitted at the maximum power, when the first counter is equal to 1, one of the sequences of the shortest length that can satisfy a TA (timing advance) requirement is determined as the first sequence;
as an embodiment, one of the sequences of the shortest length that can satisfy TA (timing advance) requirements is determined as the first sequence;
as an example, when the target signal is transmitted at maximum power, when the first counter is equal to K, there are M total lengths of the sequence, D respectively, that can satisfy TA (timing advance) requirements 0 ，D 1 ，D 2 ，…，D M-1 Determined as the sequence length of the first sequence is greater than D 0 ；
As an example, when the target signal is transmitted at maximum power, when the first counter is equal to K, there are M total lengths of the sequence, D respectively, that can satisfy TA (timing advance) requirements 0 ，D 1 ，D 2 ，…，D M-1 Determined as the sequence length of the first sequence is equal to D K-1 ；
As an example, when the target signal is transmitted at maximum power, when the first counter is equal to K, there are M total lengths of the sequence, D respectively, that can satisfy TA (timing advance) requirements 0 ，D 1 ，D 2 ，…，D M-1 Determining that a mapping relationship exists between the sequence length of the first sequence and the value of the first counter;
as an example, when the target message isWhen the number is transmitted with maximum power, the maximum value of the first counter is Z, the length of the sequence which can meet TA (timing advance) requirements is M in total, M is a positive integer and is respectively D 0 ，D 1 ，D 2 ，…，D M-1 A sequence length determined as said first sequence is linearly related to a maximum value Z of said first counter, with a correlation coefficient equal to M/Z;
as an embodiment, when the target signal is transmitted at the maximum power and the value of the first counter is equal to the first counter maximum value, the sequence having the longest sequence length is determined as the first sequence;
as an embodiment, when the value of the first counter is equal to the first counter maximum value when the target signal is transmitted at maximum power, a sequence having the longest length among sequences that can satisfy a TA (timing advance) requirement is determined as the first sequence;
as an embodiment, when the target signal is transmitted with the maximum power and the value of the first counter is equal to the maximum value of the first counter, a Short Preamble sequence (Short Preamble) with the longest length among sequences that can satisfy a TA (timing advance) requirement is determined as the first sequence;
as an embodiment, when the target signal is transmitted at the maximum power and the value of the first counter is equal to the maximum value of the first counter, a Long Preamble (Long Preamble) having the longest length among sequences that can satisfy TA (timing advance) requirements is determined as the first sequence;
as an example, when the target signal is transmitted with maximum power, the length of the sequence that can satisfy TA (timing Advance) requirements is M in total, D respectively 0 ，D 1 ，D 2 ，…，D M-1 When the value of the first counter increases, the length of the sequence determined as the first sequence also increases;
as an embodiment, the first sequence is used to generate a target signal after a plurality of repetitions;
as an embodiment, the first sequence is repeated, and the CP and GP are added to generate the target signal;
as an embodiment, the number of repetitions of the first sequence is not decreased when the value of the first counter is increased.
As an embodiment, the number of repetitions of the first sequence is not increased when the value of the first counter is increased.
As an embodiment, when there is a linear correlation between the value of said first counter and the number of said repetitions of said first sequence, the correlation coefficient is determined by the maximum value of said first counter and the maximum number of said repetitions of said first sequence.
As an embodiment, the first signaling group is used to indicate a maximum value of the first counter and a maximum number of repetitions of the first sequence.
As an embodiment, the first signaling group is used to indicate a maximum value of the first counter and a maximum number of repetitions of sequences in the first set of sequences.
As an embodiment, when the target signal is transmitted at the maximum power, a sequence format (Preamble format) of a sequence determined as the first sequence has a mapping relation with the first counter;
as an embodiment, when the value of the first counter is 1, the sequence format is # 2;
as one example, the sequence comprises a leader sequence generated based on a base sequence (sequence) of length 839;
as one example, the sequence comprises a leader sequence generated based on a base sequence (sequence) of length 139;
as an example, the sequence includes a leader sequence generated based on a base sequence (sequence) of length 839 and a base sequence (sequence) of length 139;
as an embodiment, the length of the sequence includes a time of a time domain occupied by the generated wireless signal when the sequence is used to generate the wireless signal;
as one embodiment, the length of the sequence comprises a number of chips of the sequence;
as an embodiment, the length of the sequence comprises a number of samples of the sequence in Kappa-64;
as an example, the length of the sequence comprises a number of symbols (symbols);
as an embodiment, the length of the sequence comprises a number of time slots (slots);
as an embodiment, the length of the sequence comprises a number of subframes (subframes);
as an example, the length of the sequence comprises the number of repetitions of a base sequence (sequence);
as one embodiment, the length of the sequence comprises a Preamble format.
As an embodiment, the target signal includes Cyclic redundancy (CP), a base sequence, and a Guard Period (GP).
As an embodiment, the target signal includes Cyclic redundancy (CP), a base sequence, and a repetition and Guard time (GP) thereof.
As an embodiment, the target signal includes Cyclic redundancy (CP), various base sequences and their repetition and Guard times (GP).
Example 2
Embodiment 2 illustrates a schematic diagram of a network architecture according to the present application, as shown in fig. 2.
Fig. 2 illustrates a diagram of a network architecture 200 for 5G NR, LTE (Long-Term Evolution), and LTE-a (Long-Term Evolution-enhanced) systems. The 5G NR or LTE network architecture 200 may be referred to as a 5GS (5G System)/EPS (Evolved Packet System) 200 or some other suitable terminology. The 5GS/EPS 200 may include one or more UE (User Equipment) 201, NG-RAN (next generation radio access Network) 202, 5GC (5G Core Network )/EPC (Evolved Packet Core) 210, HSS (Home Subscriber Server)/UDM (Unified Data Management) 220, and internet service 230. The 5GS/EPS may interconnect with other access networks, but these entities/interfaces are not shown for simplicity. As shown, the 5GS/EPS provides packet switched services, however those skilled in the art will readily appreciate that the various concepts presented throughout this application may be extended to networks providing circuit switched services or other cellular networks. The NG-RAN includes NR node b (gNB)203 and other gnbs 204. The gNB203 provides user and control plane protocol termination towards the UE 201. The gnbs 203 may be connected to other gnbs 204 via an Xn interface (e.g., backhaul). The gNB203 may also be referred to as a base station, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a Basic Service Set (BSS), an Extended Service Set (ESS), a TRP (transmitting receiving node), or some other suitable terminology. The gNB203 provides the UE201 with an access point to the 5GC/EPC 210. Examples of the UE201 include a cellular phone, a smart phone, a Session Initiation Protocol (SIP) phone, a laptop, a Personal Digital Assistant (PDA), a satellite radio, non-terrestrial base station communications, satellite mobile communications, a global positioning system, a multimedia device, a video device, a digital audio player (e.g., MP3 player), a camera, a game console, a drone, an aircraft, a narrowband internet of things device, a machine type communication device, a terrestrial vehicle, an automobile, a wearable device, or any other similar functioning device. Those skilled in the art may also refer to UE201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable terminology. The gNB203 is connected to the 5GC/EPC210 through an S1/NG interface. The 5GC/EPC210 includes MME (Mobility Management Entity)/AMF (Authentication Management Field)/SMF (Session Management Function) 211, other MME/AMF/SMF214, S-GW (serving Gateway)/UPF (User Plane Function) 212, and P-GW (Packet data Network Gateway)/UPF 213. The MME/AMF/SMF211 is a control node that handles signaling between the UE201 and the 5GC/EPC 210. In general, the MME/AMF/SMF211 provides bearer and connection management. All user IP (Internet protocol) packets are transported through the S-GW/UPF212, which S-GW/UPF212 itself is connected to the P-GW/UPF 213. The P-GW provides UE IP address assignment as well as other functions. The P-GW/UPF213 is connected to the internet service 230. The internet service 230 includes an operator-corresponding internet protocol service, and may specifically include the internet, an intranet, an IMS (IP Multimedia Subsystem), and a packet-switched streaming service.
As an embodiment, the UE201 corresponds to the first node in this application.
As an embodiment, the UE201 supports transmission in a non-terrestrial network (NTN).
As an embodiment, the UE201 supports transmission in a large delay-difference network.
As an embodiment, the gNB203 corresponds to the second node in this application.
As one embodiment, the gNB203 supports transmissions over a non-terrestrial network (NTN).
As an embodiment, the gNB203 supports transmission in a large latency difference network.
Example 3
Embodiment 3 shows a schematic diagram of an embodiment of a radio protocol architecture for the user plane and the control plane according to the present application, as shown in fig. 3. Fig. 3 is a schematic diagram illustrating an embodiment of radio protocol architecture for the user plane 350 and the control plane 300, fig. 3 showing the radio protocol architecture for the control plane 300 for a first node (UE, satellite or aircraft in gNB or NTN) and a second node (satellite or aircraft in gNB, UE or NTN), or between two UEs, in three layers: 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 herein as PHY 301. Layer 2(L2 layer) 305 is above PHY301 and is responsible for the link between the first and second nodes and the two UEs through PHY 301. The L2 layer 305 includes a MAC (Medium Access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303, and a PDCP (Packet Data Convergence Protocol) sublayer 304, which terminate at the second node. The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides security by ciphering data packets and provides handoff support for a first node between second nodes. The RLC sublayer 303 provides segmentation and reassembly of upper layer packets, retransmission of lost packets, and reordering of packets to compensate for out-of-order reception due to HARQ. The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating the various radio resources (e.g., resource blocks) in one cell between the first nodes. The MAC sublayer 302 is also responsible for HARQ operations. The RRC (Radio Resource Control) sublayer 306 in layer 3 (layer L3) in the Control plane 300 is responsible for obtaining Radio resources (i.e., Radio bearers) and configuring the lower layers using RRC signaling between the second node and the first node. The radio protocol architecture of the user plane 350 includes layer 1(L1 layer) and layer 2(L2 layer), the radio protocol architecture in the user plane 350 for the first and second nodes is substantially the same for the physical layer 351, the PDCP sublayer 354 in the L2 layer 355, the RLC sublayer 353 in the L2 layer 355, and the MAC sublayer 352 in the L2 layer 355 as the corresponding layers and sublayers in the control plane 300, but the PDCP sublayer 354 also provides header compression for upper layer packets to reduce radio transmission overhead. The L2 layer 355 in the user plane 350 further includes an SDAP (Service Data Adaptation Protocol) sublayer 356, and the SDAP sublayer 356 is responsible for mapping between QoS streams and Data Radio Bearers (DRBs) to support diversity of services. Although not shown, the first node may have several upper layers above the L2 layer 355, including a network layer (e.g., IP layer) that terminates at the P-GW on the network side and an application layer that terminates at the other end of the connection (e.g., far end UE, server, etc.).
The radio protocol architecture of fig. 3 applies to the first node in this application as an example.
As an example, the radio protocol architecture in fig. 3 is applicable to the second node in this application.
As an example, the first signal in this application is generated in the PHY 301.
As an embodiment, the target signal in the present application is generated in the PHY301 or the MAC302 or the RRC 306.
As an embodiment, the first signaling group in the present application is generated in the PHY301 or the MAC302 or the RRC 306.
As an embodiment, the third signaling in this application is generated in the PHY301 or the MAC302 or the RRC 306.
As an embodiment, the K1 candidate signals in the present application are generated in the PHY301 or MAC302 or RRC 306.
Example 4
Embodiment 4 shows a schematic diagram of a first communication device and a second communication device according to the present application, as shown in fig. 4. Fig. 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 communications device 450 includes a controller/processor 459, a memory 460, a data source 467, a transmit processor 468, a receive processor 456, a multi-antenna transmit processor 457, a multi-antenna receive processor 458, a transmitter/receiver 454, and an antenna 452.
The second communication device 410 includes a controller/processor 475, a memory 476, a receive processor 470, a transmit processor 416, a multiple antenna receive processor 472, a multiple antenna transmit processor 471, a transmitter/receiver 418, and an antenna 420.
In the transmission from the second communication device 410 to the first communication device 450, at the second communication device 410, upper layer data packets from the core network are provided to the controller/processor 475. The controller/processor 475 implements the functionality of layer L2. In transmissions from the second communications device 410 to the first communications device 450, the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation to the first communications device 450 based on various priority metrics. The controller/processor 475 is also responsible for retransmission of lost packets, and signaling to the first communication device 450. The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (i.e., the physical layer). The transmit processor 416 implements coding and interleaving to facilitate Forward Error Correction (FEC) at the second communication device 410, as well as mapping of signal constellation based on various modulation schemes (e.g., Binary Phase Shift Keying (BPSK), Quadrature Phase Shift Keying (QPSK), M-phase shift keying (M-PSK), M-quadrature amplitude modulation (M-QAM)). The multi-antenna transmit processor 471 performs digital spatial precoding, including codebook-based precoding and non-codebook based precoding, and beamforming processing on the coded and modulated symbols to generate one or more spatial streams. Transmit processor 416 then maps each spatial stream to subcarriers, multiplexes with reference signals (e.g., pilots) in the time and/or frequency domain, and then uses an Inverse Fast Fourier Transform (IFFT) to generate the physical channels carrying the time-domain multicarrier symbol streams. The multi-antenna transmit processor 471 then performs analog precoding/beamforming operations on the time domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multicarrier symbol stream provided by the multi-antenna transmit processor 471 into a radio frequency stream that is then provided to a different antenna 420.
In a transmission from the second communications apparatus 410 to the first communications apparatus 450, each receiver 454 receives a signal through its respective antenna 452 at the first communications apparatus 450. Each receiver 454 recovers information modulated onto a radio frequency carrier and converts the radio frequency stream into a baseband multi-carrier symbol stream that is provided to a receive processor 456. Receive processor 456 and multi-antenna receive processor 458 implement the various signal processing functions of the L1 layer. A multi-antenna receive processor 458 performs receive analog precoding/beamforming operations on the baseband multi-carrier symbol stream from the receiver 454. Receive processor 456 converts the baseband multicarrier symbol stream after the receive analog precoding/beamforming operation from the time domain to the frequency domain using a Fast Fourier Transform (FFT). In the frequency domain, the physical layer data signals and the reference signals to be used for channel estimation are demultiplexed by the receive processor 456, and the data signals are subjected to multi-antenna detection in the multi-antenna receive processor 458 to recover any spatial streams destined for the first communication device 450. The symbols on each spatial stream are demodulated and recovered at a receive processor 456 and soft decisions are generated. The receive processor 456 then decodes and deinterleaves the soft decisions to recover the upper layer data and control signals transmitted by the second communications device 410 on the physical channel. The upper layer data and control signals are then provided to a controller/processor 459. The controller/processor 459 implements the functionality of the L2 layer. The controller/processor 459 may be associated with a memory 460 that stores program codes and data. Memory 460 may be referred to as a computer-readable medium. In transmissions from the second communications device 410 to the second communications device 450, the controller/processor 459 provides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover upper layer packets from the core network. The upper layer packet is then provided to all protocol layers above the L2 layer. Various control signals may also be provided to L3 for L3 processing.
In a transmission from the first communications device 450 to the second communications device 410, a data source 467 is used at the first communications device 450 to provide upper layer data packets to a controller/processor 459. Data source 467 represents all protocol layers above the L2 layer. Similar to the send function at the second communications apparatus 410 described in the transmission from the second communications apparatus 410 to the first communications apparatus 450, the controller/processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on radio resource allocation, implementing 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 said second communications device 410. A transmit processor 468 performs modulation mapping, channel coding, and digital multi-antenna spatial precoding by a multi-antenna transmit processor 457 including codebook-based precoding and non-codebook based precoding, and beamforming, and the transmit processor 468 then modulates the resulting spatial streams into multi-carrier/single-carrier symbol streams, which are provided to different antennas 452 via a transmitter 454 after analog precoding/beamforming in the multi-antenna transmit processor 457. Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into a radio frequency symbol stream and provides the radio frequency symbol stream to the antenna 452.
In a transmission from the first communication device 450 to the second communication device 410, the functionality at the second communication device 410 is similar to the receiving functionality at the first communication device 450 described in the transmission from the second communication device 410 to the first communication device 450. Each receiver 418 receives an rf signal through its respective antenna 420, converts the received rf signal to a baseband signal, and provides the baseband signal to a multi-antenna receive processor 472 and a receive processor 470. The receive processor 470 and the multiple antenna receive processor 472 collectively implement the functionality of the L1 layer. Controller/processor 475 implements the L2 layer functions. The controller/processor 475 may be associated with a memory 476 that stores program codes and data. Memory 476 may be referred to as a computer-readable medium. In 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, deciphering, header decompression, control signal processing to recover upper layer packets from the UE 450. Upper layer data packets from the controller/processor 475 may be provided to a core network.
As an embodiment, the first communication device 450 apparatus includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, the first communication device 450 apparatus at least: receiving a first signal and a first signaling group, the first signal being used to determine a first measurement result; transmitting a target signal; wherein the first signaling group is used to indicate a first sequence set, the first sequence set comprises a plurality of sequences, the first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, the first time-frequency resources belong to the first set of time-frequency resources, the target signal occupies the first time-frequency resources, the first measurement result and a first counter are used together to determine the first sequence from the first sequence set, the first counter is related to random access, and the target signal is used for random access.
As an embodiment, the first communication device 450 includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: receiving a first signal and a first signaling group, the first signal being used to determine a first measurement result; transmitting a target signal; wherein the first signaling group is used to indicate a first sequence set, the first sequence set comprises a plurality of sequences, the first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, the first time-frequency resources belong to the first set of time-frequency resources, the target signal occupies the first time-frequency resources, the first measurement result and a first counter are used together to determine the first sequence from the first sequence set, the first counter is related to random access, and the target signal is used for random access.
As an embodiment, the second communication device 410 apparatus includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. The second communication device 410 means at least: transmitting a first signal and a first signaling group, the first signal being used to determine a first measurement result; receiving a target signal; wherein the first signaling group is used to indicate a first sequence set, the first sequence set comprises a plurality of sequences, the first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, the first time-frequency resources belong to the first set of time-frequency resources, the target signal occupies the first time-frequency resources, the first measurement result and a first counter are used together to determine the first sequence from the first sequence set, the first counter is related to random access, and the target signal is used for random access.
As an embodiment, the second communication device 410 apparatus includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: transmitting a first signal and a first signaling group, the first signal being used to determine a first measurement result; receiving a target signal; wherein the first signaling group is used to indicate a first sequence set, the first sequence set comprises a plurality of sequences, the first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, the first time-frequency resources belong to the first set of time-frequency resources, the target signal occupies the first time-frequency resources, the first measurement result and a first counter are used together to determine the first sequence from the first sequence set, the first counter is related to random access, and the target signal is used for random access.
As an embodiment, the first communication device 450 corresponds to a first node in the present application.
As an embodiment, the second communication device 410 corresponds to a second node in the present application.
For one embodiment, the first communication device 450 is a UE.
As an embodiment, the first communication device 450 is a vehicle-mounted terminal.
For one embodiment, the second communication device 410 is a base station.
In one embodiment, the second communication device 410 is a UE.
For one embodiment, the second communication device 410 is a satellite.
For one embodiment, receiver 456 (including antenna 460), receive processor 452, and controller/processor 490 are used to receive the first signal and the first signaling group in this application.
For one embodiment, receiver 456 (including antenna 460), receive processor 452, and controller/processor 490 are used to receive the first signaling.
For one embodiment, receiver 456 (including antenna 460), receive processor 452, and controller/processor 490 are used to receive the second signaling.
For one embodiment, receiver 456 (including antenna 460), receive processor 452, and controller/processor 490 are used to receive the third signaling.
For one embodiment, a transmitter 456 (including an antenna 460), a transmit processor 455, and a controller/processor 490 are used to transmit the target signal in this application.
For one embodiment, a transmitter 456 (including an antenna 460), a transmit processor 455, and a controller/processor 490 are used to transmit the K candidate signals in this application.
For one embodiment, transmitter 416 (including antenna 420), transmit processor 412, and controller/processor 440 are used to transmit the first signal and first signaling group in this application.
For one embodiment, the transmitter 416 (including the antenna 420), the transmit processor 412, and the controller/processor 440 are used to transmit the first signaling in this application.
For one embodiment, transmitter 416 (including antenna 420), transmit processor 412, and controller/processor 440 are used to send the second signaling in this application.
For one embodiment, the transmitter 416 (including the antenna 420), the transmit processor 412, and the controller/processor 440 are used to transmit the third signaling.
For one embodiment, receiver 416 (including antenna 420), receive processor 412, and controller/processor 440 are used to receive the target signal.
For one embodiment, the receiver 416 (including the antenna 420), the receive processor 412, and the controller/processor 440 are used to receive the K candidate signals.
For one embodiment, controller/processor 490 is used to start the first counter in this application.
Example 5
Embodiment 5 illustrates a wireless signal transmission flow chart according to an embodiment of the present application, as shown in fig. 5. In fig. 5, the second node N02 is the serving cell base station of the first node U01, and it is specifically illustrated that the sequence in this example does not limit the signal transmission sequence and the implemented sequence in this application.
For theSecond node N02In step S5201, the first signal and the first signaling group are transmitted.
For theFirst node U01The first signal and the first signaling group are received in step S5101, the first sequence is determined in step S5103, and the target signal is transmitted in step S5104.
In embodiment 5, the first signaling group in this application is used to indicate a first sequence set, the first sequence set includes a plurality of sequences, a first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, a first time-frequency resource belongs to the first set of time-frequency resources, the target signal occupies the first time-frequency resource, the first measurement result and a first counter are jointly used to determine the first sequence from the first sequence set, the first counter is related to random access, and the target signal is used for random access.
For one embodiment, the interface through which the first node U01 communicates with the second node N02 is a Uu interface.
For one embodiment, the first signal comprises an SSB.
In one embodiment, the first signal includes a CSI-RS.
As one embodiment, the first signaling group includes MIB.
As one embodiment, the first signaling group includes SIBs.
As an embodiment, the first signaling group is transmitted on PBCH.
As one embodiment, the first signaling group is transmitted on a PDSCH.
As one embodiment, the first signaling group is transmitted on a PDCCH.
As an embodiment, the first signaling group is sent through a MAC CE (MAC Control Element).
As an embodiment, the first sequence set includes a plurality of Preamble sequences (preambles).
As an embodiment, the first sequence set includes a plurality of Preamble sequences (preambles) with different formats (formats).
In one embodiment, the first sequence is a preamble sequence.
As an example, the first sequence is a base sequence (sequence).
As an example, the motif sequence is an m-sequence.
As an example, the motif sequence is a gold sequence.
As an example, the motif sequence is a Zadoff-Chu sequence.
In one embodiment, the first set of sequences includes a plurality of base sequences.
As an embodiment, the first counter is used to record the number of times the first node initiates a random access attempt.
As an embodiment, the first counter is used to record the number of times the first node failed random access attempts.
As an embodiment, the first counter is used to record the number of times the first node failed random access attempts-1.
For one embodiment, the first set of time and frequency resources is configured by a system message.
As one embodiment, the first signal has a one-to-one correspondence with the first time frequency resource in the first set of time frequency resources.
As an embodiment, the first signal has a certain correspondence with a group of time-frequency resources in the first set of time-frequency resources, and the first time-frequency resource is the earliest time-frequency resource in the group of time-frequency resources.
As one embodiment, the first measurement result includes RSRP of the first signal.
As one embodiment, the first measurement result includes an RSRQ of the first signal.
As one embodiment, when the first measurement result is lower than a fourth threshold and the first counter is greater than 0, the length of the first sequence is greater than the length of the shortest sequence in the first set of sequences.
As an example, the fourth threshold is equal to-14 dB.
As an example, the fourth threshold is equal to-11 dB.
As an example, the fourth threshold is equal to-8 dB.
As an example, the fourth threshold is equal to-5 dB.
As an embodiment, the length of the sequence comprises a number of values of the sequence.
As one embodiment, the length of the sequence includes a length of time occupied by a wireless signal generated by the sequence.
As an embodiment, the target signal includes a Preamble for random access.
As one embodiment, the target signal includes msg1 (message 1) for random access.
As an embodiment, the target signal includes msgA (message a) for random access.
For one embodiment, the second node N02 receives the target signal in step S5202.
As an embodiment, the second node N02 sends the third signaling in step S5203, and the third signaling is used for feeding back the target signal.
As one embodiment, the third signaling includes DCI.
As an embodiment, the third signaling is transmitted on a PDCCH.
As an embodiment, the third signaling is transmitted through a MAC CE.
As one embodiment, the third signaling is transmitted on a PDSCH.
As one embodiment, the third signaling comprises an RRCSetup message.
For one embodiment, the third signaling comprises a rrcreesume message.
As an embodiment, the third signaling includes msg2 (message 2).
As an embodiment, the third signaling comprises msgB (message B).
As an embodiment, the first node U01 receives the third signaling in step S5105.
For one embodiment, the base station comprises a satellite.
As an embodiment, when the first node is located in a TN (terrestrial Network) cell, the target signal comprises a signal transmitted in a non-contention manner.
As an embodiment, when the first node is located in an NTN (Non terrestrial Network) cell, the target signal comprises a signal transmitted in a contention manner.
As an embodiment, the transmission power of the target signal is determined from the first measurement result.
Example 6
Embodiment 6 illustrates a wireless signal transmission flow chart according to an embodiment of the present application, as shown in fig. 6. In fig. 6, the second node N04 is the serving cell base station of the first node U03, and it is specifically illustrated that the sequence in this example does not limit the sequence of signal transmission and the sequence of implementation in this application.
For theSecond node N04In step S6201, the first signal and the first signaling group are transmitted.
ForFirst node U03In step S6101, the first signal and the first signaling group are received, in step S6102, the first counter is started, in step S6103, the first sequence is determined, in step S6104, K1 candidate signals are transmitted, and in step S6105, the target signal is transmitted.
In embodiment 6, the first signaling group in this application is used to indicate a first sequence set, the first sequence set includes a plurality of sequences, a first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, a first time-frequency resource belongs to the first set of time-frequency resources, the target signal occupies the first time-frequency resource, the first measurement result and a first counter are jointly used to determine the first sequence from the first sequence set, the first counter is related to random access, and the target signal is used for random access.
For one embodiment, the interface through which the first node U03 communicates with the second node N04 is a Uu interface.
For one embodiment, the first signal comprises an SSB.
For one embodiment, the first signal includes a CSI-RS.
As one embodiment, the first signaling group includes MIB.
As one embodiment, the first signaling group includes SIBs.
As an embodiment, the first signaling group is transmitted on PBCH.
In one embodiment, the first signaling group is transmitted on a PDSCH.
As one embodiment, the first signaling group is transmitted on a PDCCH.
As an embodiment, the first signaling group is sent through a MAC CE (MAC Control Element).
As an embodiment, the first sequence set includes a plurality of Preamble sequences (preambles).
As an embodiment, the first sequence set includes a plurality of Preamble sequences (preambles) of different formats (formats).
In one embodiment, the first sequence is a preamble sequence.
As an example, the first sequence is a base sequence (sequence).
As an example, the motif sequence is an m-sequence.
As an example, the motif sequence is a gold sequence.
As an example, the motif sequence is a Zadoff-Chu sequence.
As one embodiment, the first set of sequences includes a plurality of base sequences.
As an embodiment, the first counter is used to record the number of times the first node initiates a random access attempt.
As an embodiment, the first counter is used to record the number of times the first node failed random access attempts.
As an embodiment, the first counter is used to record the number of times the first node failed random access attempts-1.
For one embodiment, the first set of time and frequency resources is configured by a system message.
As an embodiment, the first signal has a one-to-one correspondence with the first time frequency resource in the first set of time frequency resources.
As an embodiment, the first signal has a certain correspondence with a group of time-frequency resources in the first set of time-frequency resources, and the first time-frequency resource is the earliest time-frequency resource in the group of time-frequency resources.
As one embodiment, the first measurement result includes RSRP of the first signal.
As one embodiment, the first measurement result comprises an RSRQ of the first signal.
As one embodiment, when the first measurement result is lower than a fourth threshold and the first counter is greater than 0, the length of the first sequence is greater than the length of the shortest sequence in the first set of sequences.
As an example, the fourth threshold is equal to-14 dB.
As an example, the fourth threshold is equal to-11 dB.
As an example, the fourth threshold is equal to-8 dB.
As an example, the fourth threshold is equal to-5 dB.
As an embodiment, the length of the sequence comprises a number of values of the sequence.
As one embodiment, the length of the sequence includes a length of time occupied by a wireless signal generated by the sequence.
As an embodiment, the target signal includes a Preamble for random access.
As one embodiment, the target signal includes msg1 (message 1) for random access.
As an embodiment, the target signal includes msgA (message a) for random access.
As an embodiment, the value of the first counter is equal to K1, and the transmission power value of the last candidate signal in the time domain of the K1 candidate signals is a first power value; at least two sequences are included in the first sequence set, and the lengths of the two sequences are different; the length of the first sequence is related to the K1; the K1 is a positive integer greater than 1; the first set of sequences is used to generate the K1 candidate signals.
As an embodiment, each of the K1 candidate signals is used for random access.
As an embodiment, each of the K1 candidate signals is a Preamble.
As an embodiment, each of the K1 candidate signals is determined by one of the first set of sequences.
As an embodiment, the K1 random access attempts initiated by the K1 candidate signals are unsuccessful.
As an embodiment, the first power value is equal to a maximum transmit power of the first node.
As one embodiment, the first power value is less than a maximum transmit power of the first node.
As an embodiment, the sum of the first power value and powerRampingStep is larger than the maximum transmit power of the first node.
As an embodiment, the first signaling group is used to indicate the powerRampingStep.
As one embodiment, an absolute value of a difference between the transmission power of the target signal and the first power is equal to or less than the powerRampingStep.
As an embodiment, the sequence length determined as the first sequence does not decrease when the value of the first counter increases.
As an embodiment, the sequence length determined as the first sequence is not decreased when the value of the first counter is increased and the transmission power is also increased.
As an embodiment, when the first power is equal to a maximum transmit power of the first node, the length of the first sequence is greater than a sequence length of a shortest sequence in the first set of sequences.
As an embodiment, the K1 candidate signals are generated by CP (Cyclic Prefix), one sequence of the first set of sequences and GP (Guard Period).
As an embodiment, the K1 candidate signals are generated by CP (Cyclic Prefix), GP (Guard Period) and multiple repetitions of one sequence in the first set of sequences.
As an embodiment, the sequence of the first set of sequences used to generate the candidate signal is used as a base sequence to generate the candidate signal.
As an embodiment, the base sequence is used to generate the candidate signal after a plurality of repetitions.
As an embodiment, the base sequence is repeated several times, and the CP and GP are added, and then used to generate the candidate signal.
As an embodiment, the transmission times of the K1 candidate signals have a time interval determined by PREAMBLE BACKOFF.
As an embodiment, the first signaling group is used to indicate the PREAMBLE _ BACKOFF.
As an embodiment, when the value of the first counter is equal to a maximum value, a sequence of the first sequence set having the longest length is determined as the first sequence.
As an embodiment, the value K1 of the first counter is related to the number of repetitions of the selected sequence in the set of first sequences used to generate the candidate signal.
As an embodiment, the value K1 of the first counter is linearly related to the number of repetitions of a sequence selected to generate the first set of sequences of the candidate signal, and the correlation coefficient is the maximum value of the first counter and the maximum number of repetitions of a sequence selected to generate the first set of sequences of the candidate signal.
As an embodiment, the value K1 of the first counter is positively correlated with the number of repetitions of the sequences in the first set of sequences selected for generating the candidate signal.
As an embodiment, the length of sequences from the first set of sequences used to generate the candidate signal does not decrease when the value of the first counter increases.
As an embodiment, the number of repetitions of sequences from the first set of sequences used to generate the candidate signal is not decreased when the value of the first counter is increased.
As an embodiment, the number of repetitions of sequences from the first set of sequences used to generate the candidate signal is increased when the value of the first counter is increased.
As an embodiment, the first signaling group is used to indicate a maximum value of the first counter and a maximum number of repetitions of the sequence.
For one embodiment, the second node N04 receives the target signal in step S6202.
As an embodiment, the second node N04 sends the third signaling in step S6203, and the third signaling is used for feeding back the target signal.
As one embodiment, the third signaling includes DCI.
As an embodiment, the third signaling is transmitted on a PDCCH.
As an embodiment, the third signaling is transmitted through a MAC CE.
As one embodiment, the third signaling is transmitted on a PDSCH.
As one embodiment, the third signaling comprises an RRCSetup message.
For one embodiment, the third signaling comprises a rrcreesume message.
As an embodiment, the third signaling includes msg2 (message 2).
As an embodiment, the third signaling comprises msgB (message B).
As an embodiment, the first node U03 receives the third signaling in step S6106.
For one embodiment, the base station comprises a satellite.
As an embodiment, when the first node is located in a TN (terrestrial Network) cell, the target signal comprises a signal transmitted in a non-contention manner.
As an embodiment, when the first node is located in an NTN (Non-terrestrial Network) cell, the target signal includes a signal transmitted in a contention manner.
As an embodiment, the transmission power of the target signal is determined from the first measurement result.
Example 6a
Embodiment 6a illustrates a schematic diagram of a first counter according to an embodiment of the present application, as shown in fig. 6 a.
In fig. 6a, when the first node decides to initiate random access or when random access is triggered, the process shown in fig. 6a is implemented, and it is specifically illustrated that the sequence in this example does not limit the signal transmission sequence and the implemented sequence in this application.
In S6a01, the first counter is incremented by 1; in S6a02, it is determined whether the value of the first counter equals the system-set maximum value +1, and the relinquishing access in S6a03 is performed when the value of the first counter equals the system-set maximum value + 1.
As an embodiment, the maximum value of the system setting is indicated by the first signaling group.
As an embodiment, the maximum value set by the system is a positive integer.
As an embodiment, when the serving cell of the first node does not configure the maximum value of the system setting, the maximum value of the system setting is considered to be infinite.
As an embodiment, the maximum value set by the system is configured by SIB.
As an embodiment, the maximum value set by the system is configured by a PDSCH channel.
As an embodiment, the maximum value of the system setting is set by a RACH-ConfigDedicated cell.
As an embodiment, the maximum value of the system setting is set by a RACH-ConfigCommon cell element.
As one example, the maximum value set by the system is preamblltransmax.
For one embodiment, the maximum value set by the system is based on the type of service.
For one embodiment, the maximum value set by the system is based on quality of service.
In S6a04, a first sequence is determined.
As an embodiment, the first counter is used to record the number of times the first node initiates a random access attempt.
As an embodiment, the first counter is used to record the number of times the first node failed random access attempts.
As an embodiment, the first counter is used to record the number of times the first node failed random access attempts-1.
As an embodiment, the first counter is used to record the number of random access attempts initiated by the first node for a service.
As an embodiment, the first counter is used to record the number of times the random access attempt initiated by the first node for a service fails.
As an embodiment, the first counter is used to record the number of times-1 that the first node fails to initiate a random access attempt for a service.
As an embodiment, the first counter is used to record the number of times the first node initiates a random access attempt on the resource determined by the first signal.
As an embodiment, the first counter is used to record the number of times the first node fails to initiate a random access attempt on the resource determined by the first signal.
As an embodiment, the first counter is used to record the number of times-1 that the random access attempt initiated by the first node on the resource determined by the first signal fails.
As an embodiment, the first measurement result is used to determine a propagation loss between the first node to a receiver of the target signal, a transmission power of the target signal required to make a reception quality of the target signal when the target signal reaches the receiver of the target signal higher than a certain threshold requirement is a second transmission power, the propagation loss is used to determine the second transmission power, and a difference between the second transmission power and an actual transmission power of the target signal is denoted as Delta _ P.
As an embodiment, the actual transmission power of the signal is less than or equal to the second transmission power.
As an embodiment, the actual transmit power of the target signal is equal to the maximum transmit power of the first node.
As an example, the actual transmit power of the signal is equal to the largest power component that can be allocated to the target signal.
As an embodiment, the first sequence is an m-sequence.
In one embodiment, the first sequence is a Zadoff-Chu sequence.
As one example, the first sequence is a gold sequence.
As an embodiment, the target signal comprises one of the first sequences.
As an embodiment, the target signal includes a plurality of the first sequences.
As one example, the first sequence comprises a plurality of base sequences (sequences).
As an example, the motif sequence is an m-sequence.
As an example, the motif sequence is a gold sequence.
As an example, the motif sequence is a Zadoff-Chu sequence.
In one embodiment, the target signal includes one of the first sequences.
As an embodiment, the target signal includes a plurality of the first sequences.
As an embodiment, in the first sequence set, the number of sequences that can generate a signal that can satisfy the condition that the signal does not generate intersymbol interference when reaching the receiver of the target signal is denoted as c, and the length of the c sequences is denoted as L from small to large 0 ,L 1 ,…,L c-1 ；
As an embodiment, when said first measurement result is smaller than a certain threshold, the length of said c of said sequences is larger than L 0 Is determined as the first sequence.
As an example, the one particular threshold comprises-7.9 dB.
As an example, the one particular threshold comprises-12.9 dB.
As an embodiment, the length of the c of the sequences determined as the first sequence is greater than L 0 Of said c said sequences having a length greater than L 0 Any one of the sequences of (a).
As an embodiment, the length of the c of the sequences determined as the first sequence is greater than L 0 Is equal to L in length of said c of said sequences 1 Any one of the sequences of (a).
As an example, the relative gain parameter D of the i-th sequence of said c sequences i ＝log 2 (L i /L 0 ) Representing the reception gain provided by the sequence of the ith length compared with the sequence of the shortest length in the c sequences; corresponding D c-1 ＝log 2 (L c-1 /L 0 ) Representing the relative gain of the largest of the c sequences relative to the shortest of the c sequences; corresponding D 0 ＝log 2 (L 0 /L 0 ) 0, indicates that the shortest of the c sequences has no gain with respect to the shortest of the c sequences.
As an embodiment, the sequence of the c sequences whose relative gain parameter is just greater than or equal to the Delta _ P is determined as the first sequence.
As an embodiment, a sequence having the smallest relative gain parameter among sequences whose relative gain parameters are equal to or greater than Delta _ P among the c sequences is determined as the first sequence.
As one embodiment, the length of the sequence comprises a number of digits of a value of the sequence.
As one embodiment, the length of the sequence comprises a number of repetitions when the sequence is determined to be the first sequence to be used for generating the target signal.
As one embodiment, the length of the sequence includes the number of base sequences included in the sequence.
As an embodiment, the length of the sequence comprises a number of times a base sequence of the sequence is repeated when the sequence is determined to be the first sequence to be used for generating the target signal.
As an embodiment, the length of the sequence includes a length of a time resource occupied by the target signal that the sequence is determined to be used for generating for the first sequence.
As an embodiment, the length of the sequence includes a length of a time resource occupied by the sequence used for generating a random access signal.
As an embodiment, the length of the sequence determined as the first sequence does not decrease when the value of the first counter increases.
As an embodiment, when the first counter equals a maximum allowed count value, the longest one of the c said sequences is determined as the first sequence.
As an example, in S6a05, the first sequence is directly generated into the target signal.
As an embodiment, in S6a05, the first sequence is repeated to generate the target signal.
As an embodiment, in S6a05, the first sequence is directly used in combination with CP and GP to generate the target signal.
For one embodiment, the first node transmits the target signal.
Example 6b
Embodiment 6b illustrates a schematic diagram of a first counter according to an embodiment of the present application, as shown in fig. 6 b.
In fig. 6b, when the first node decides to initiate random access or when random access is triggered, the process shown in fig. 6b is implemented, and it is specifically illustrated that the sequence in this example does not limit the signal transmission sequence and the implemented sequence in this application.
In S6b01, the first counter is incremented by 1; in S6b02, it is determined whether the value of the first counter equals the system set maximum +1, and the relinquishing access in S6b03 is performed when the value of the first counter equals the system set maximum + 1.
As an embodiment, the maximum value of the system setting is indicated by the first signaling group.
As an embodiment, the maximum value set by the system is a positive integer.
As an embodiment, when the serving cell of the first node does not configure the maximum value of the system setting, the maximum value of the system setting is considered to be infinite.
As an embodiment, the maximum value set by the system is configured by SIB.
As an embodiment, the maximum value set by the system is configured by a PDSCH channel.
As an embodiment, the maximum value of the system setting is set by the RACH-ConfigDedicated information element.
As an embodiment, the maximum value of the system setting is set by a RACH-ConfigCommon cell element.
As one example, the maximum value set by the system is preamblltransmax.
For one embodiment, the maximum value set by the system is based on the type of service.
For one embodiment, the maximum value set by the system is based on quality of service.
As an embodiment, the first counter is used to record the number of times the first node initiates a random access attempt.
As an embodiment, the first counter is used to record the number of times the first node failed random access attempts.
As an embodiment, the first counter is used to record the number of times-1 the first node failed random access attempts.
As an embodiment, the first counter is used to record the number of random access attempts initiated by the first node for a service.
As an embodiment, the first counter is used to record the number of times the random access attempt initiated by the first node for a service fails.
As an embodiment, the first counter is used to record the number of times-1 that the first node fails to initiate a random access attempt for a service.
As an embodiment, the first counter is used to record the number of times the first node initiates a random access attempt on the resource determined by the first signal.
As an embodiment, the first counter is used to record the number of times the first node fails to initiate a random access attempt on the resource determined by the first signal.
As an embodiment, the first counter is used to record the number of times-1 that the random access attempt initiated by the first node on the resource determined by the first signal fails.
As an example, in S6b04, the first measurement result is used to determine a propagation loss between the first node to the receiver of the target signal, the transmission power of the target signal required to make the reception quality of the target signal when the target signal reaches the receiver of the target signal higher than a certain threshold requirement is a second transmission power, and the propagation loss is used to determine the second transmission power
As an embodiment, the threshold requirement is configured by the first signaling group.
As an embodiment, when the first counter is greater than 1, the second transmit power is increased by an offset, the offset being configured by the first signaling group.
As an embodiment, when the first counter is greater than 1, the second transmission power is increased by an offset amount, which is equal to powerRampingStep.
As an embodiment, when the first counter is greater than 1, the second transmission power is increased by a plurality of offsets, the offsets are equal to powerRampingStep, and the number of the plurality of increased offsets is determined by the first counter.
As one embodiment, the powerRampingStep is indicated by a serving cell of the first node.
As an embodiment, the actual transmit power of the target signal is equal to the minimum of the maximum transmit power of the first node and the second transmit power.
As an embodiment, the difference between the second transmission power and the actual transmission power of the target signal is denoted as Delta _ P.
In S6b04, it is determined whether the target signal is transmitted at maximum power, and when the target signal is not transmitted at maximum power, the first sequence is determined in S6b 06.
As an embodiment, in S6b06, any one of the sequences with the shortest length among the sequences that can generate a signal that satisfies that the signal does not generate intersymbol interference when reaching the receiver of the target signal in the first sequence set is determined as the first sequence.
As an embodiment, in S6b06, any one of the sequences having the shortest length among the sequences in which the generated signal can satisfy the TA requirement is determined as the first sequence in the first sequence set.
As an example, in S6b07, it is determined that the value of the first counter is equal to a system set maximum value, and when the value of the first counter is equal to the system set maximum value, the determination of the first sequence in S6b08 is performed.
As an example, in S6b08, the sequence with the longest length in the first sequence set is determined as the first sequence.
As an example, in S6b08, the generated signal can satisfy any one of the longest sequences among the sequences that do not generate inter-symbol interference when the signal reaches the receiver of the target signal.
As an embodiment, in S6b08, any one of the longest sequences among the sequences whose generated signals can satisfy TA requirements in the first sequence set is determined as the first sequence.
As one embodiment, the length of the sequence comprises a number of digits of a value of the sequence.
As one embodiment, the length of the sequence comprises a number of repetitions when the sequence is determined to be the first sequence to be used for generating the target signal.
As one embodiment, the length of the sequence includes the number of base sequences included in the sequence.
As an embodiment, the length of the sequence comprises a number of times a base sequence of the sequence is repeated when the sequence is determined to be the first sequence to be used for generating the target signal.
As an embodiment, the length of the sequence includes a length of a time resource occupied by the target signal that the sequence is determined to be used for generating for the first sequence.
As an embodiment, the length of the sequence includes a length of a time resource occupied by the sequence used for generating a random access signal.
As an example, in S6b07, when the value of the first counter is less than a system set maximum value, the determining of the first sequence in S6b09 is performed.
As an embodiment, the first sequence is an m-sequence.
In one embodiment, the first sequence is a Zadoff-Chu sequence.
As one example, the first sequence is a gold sequence.
In one embodiment, the target signal includes one of the first sequences.
As an embodiment, the target signal includes a plurality of the first sequences.
As one example, the first sequence includes a plurality of base sequences (sequences).
As an example, the motif sequence is an m-sequence.
As an example, the motif sequence is a gold sequence.
As an example, the motif sequence is a Zadoff-Chu sequence.
In one embodiment, the target signal includes one of the first sequences.
As an embodiment, the target signal includes a plurality of the first sequences.
As an embodiment, in S6b09, in the first sequence set, the number of sequences in the generated signal that can satisfy the condition that the target signal does not generate intersymbol interference when reaching the receiver of the target signal is denoted as c, and the length of c sequences from small to large is denoted as L 0 ,L 1 ,…,L c-1 (ii) a Relative gain parameter D of ith sequence in the c sequences i ＝log 2 (L i /L 0 ) Representing the reception gain provided by the sequence of the ith length compared with the sequence of the shortest length in the c sequences; corresponding D c-1 ＝log 2 (L c-1 /L 0 ) Representing the relative gain of the largest of the c sequences relative to the shortest of the c sequences; corresponding D 0 ＝log 2 (L 0 /L 0 ) 0 denotes the most significant of said c sequencesThe short sequences have no gain with respect to the shortest of the c sequences.
As an embodiment, the sequence of the c sequences whose relative gain parameter is just greater than or equal to the Delta _ P is determined as the first sequence.
As an embodiment, a sequence having the smallest relative gain parameter among sequences whose relative gain parameters are equal to or greater than Delta _ P among the c sequences is determined as the first sequence.
As one embodiment, the length of the sequence comprises a number of digits of a value of the sequence.
As one embodiment, the length of the sequence comprises a number of repetitions when the sequence is determined to be the first sequence to be used for generating the target signal.
As one embodiment, the length of the sequence includes the number of base sequences included in the sequence.
As an embodiment, the length of the sequence comprises a number of times a base sequence of the sequence is repeated when the sequence is determined to be the first sequence to be used for generating the target signal.
As an embodiment, the length of the sequence includes a length of a time resource occupied by the target signal that the sequence is determined to be used for generating for the first sequence.
As an embodiment, the length of the sequence includes a length of a time resource occupied by the sequence used for generating a random access signal.
As an embodiment, the length of the sequence determined as the first sequence does not decrease when the value of the first counter increases.
As one embodiment, the length of the sequence determined as the first sequence increases when the value of the first counter increases.
As an embodiment, the value of the first counter is linearly related to the number of repetitions of a sequence of the first set of sequences selected for generating the target signal, and the correlation coefficient is the maximum value of the first counter and the maximum number of repetitions of the sequence of the first set of sequences selected for generating the target signal.
As an embodiment, the value of the first counter is linearly related to the number of base sequences of the sequences selected for generating the first set of sequences of the target signal, and the correlation coefficient is the maximum of the first counter and the number of base sequences of the sequences selected for generating the first set of sequences of the target signal.
As an embodiment, when the first counter equals a maximum allowed count value, the longest one of the c said sequences is determined as the first sequence.
As an example, in S6b10, the first sequence is directly generated into the target signal.
As an embodiment, in S6b10, the first sequence is repeated to generate the target signal.
As an example, in S6b10, the first sequence is directly used in combination with CP and GP to generate the target signal.
For one embodiment, the first node transmits the target signal.
Example 7
Embodiment 7 illustrates a schematic diagram of generating a target signal from a first sequence according to an embodiment of the present application, as shown in fig. 7.
As an embodiment, the target signal includes a CP, the first sequence and a GP.
As an embodiment, the lengths of the CP and GP are indicated by the first signaling group.
As an embodiment, the target signal comprises a CP, a signal generated from the first sequence and a GP.
Example 8
Embodiment 8 illustrates a schematic diagram of generating a target signal from a first sequence according to an embodiment of the present application, as shown in fig. 8.
As an embodiment, the target signal includes a CP, a plurality of the first sequences and a GP.
As an embodiment, the lengths of the CP and GP are indicated by the first signaling group.
As an embodiment, the target signal comprises a CP, a plurality of signals generated from the first sequence and a GP.
As an embodiment, the target signal comprises a CP, a signal generated from a plurality of the first sequences and a GP.
Example 9
Embodiment 9 illustrates a schematic diagram of generating a target signal from a first sequence according to an embodiment of the present application, as shown in fig. 9.
As an embodiment, the first sequence includes n base sequences, and the base sequences include a base sequence _1, a base sequence _2, …, and a base sequence _ n, where n is a positive integer.
As one example, the base sequence comprises an m-sequence.
As an example, the base sequence comprises a Zadoff-Chu sequence.
As one embodiment, the base sequence comprises a Gold sequence.
As an example, the n said motif columns are identical sequences.
As an example, the n said motif sequences are not identical sequences.
As an embodiment, the first sequence packet includes n base sequences that are not identical.
As an embodiment, the first sequence comprises n identical base sequences.
As an embodiment, the target signal includes a CP, the first sequence and a GP.
As an embodiment, the lengths of the CP and GP are indicated by the first signaling group.
As an embodiment, the target signal comprises a CP, a signal generated from the first sequence and a GP.
Example 10
Embodiment 10 illustrates a schematic diagram of a first set of time-frequency resources according to an embodiment of the present application, as shown in fig. 10. In embodiment 10, the first set of time-frequency resources comprises first time-frequency resources;
as an embodiment, the target signal occupies the first time-frequency resource.
As an embodiment, the first set of time-frequency resources is configured by a serving cell of the first node.
As one embodiment, the first time-frequency resource is associated with the first signal.
As an embodiment, the first time-frequency resource corresponds to the first signal.
As an embodiment, the first signaling group indicates a correspondence between the first time-frequency resource and the first signal.
As an embodiment, the first time-frequency resource has a certain time-domain relationship with the first signal.
As one embodiment, the first set of time frequency resources is associated with the first signal.
As an embodiment, a reception time of a signal carried on a time-frequency resource associated with the first signal in the first set of time-frequency resources is synchronized with a transmission time of the first signal.
As an embodiment, the time-frequency resources of the first set of time-frequency resources associated with the first signal are determined by a system parameter indicated by the first signal, the system parameter comprising a subcarrier spacing.
Example 11
Embodiment 11 illustrates a schematic diagram of a first set of time-frequency resources according to an embodiment of the present application, as shown in fig. 11. In embodiment 11, the first set of time-frequency resources comprises a second time-frequency resource;
in one embodiment, the target signal occupies the second time-frequency resource.
As one embodiment, the first set of time-frequency resources is configured by a serving cell of the first node.
As an embodiment, the second time-frequency resource is associated with the second signal.
As an embodiment, the second time-frequency resource and the second signal have a corresponding relationship.
As an embodiment, the first signaling group indicates a correspondence between the second time-frequency resource and the second signal.
As an embodiment, the second time-frequency resource has a determined time-domain relationship with the second signal.
As an embodiment, a reception time of a signal carried on a time-frequency resource associated with the second signal in the first set of time-frequency resources is synchronized with a transmission time of the second signal.
As an embodiment, the time-frequency resources associated with the second signal in the first set of time-frequency resources are determined by a system parameter indicated by the second signal, the system parameter comprising a subcarrier spacing.
As an embodiment, a portion of the time-frequency resources in the first set of time-frequency resources are associated with the first signal; a portion of time-frequency resources is associated with the second signal.
Example 12
Embodiment 12 illustrates a schematic diagram of the first signaling group used for indicating the second signal according to an embodiment of the present application, as shown in fig. 12.
As an embodiment, the first signaling group explicitly indicates the second signal.
As an embodiment, the first signaling group indicates an index of the second signal.
For one embodiment, the first signaling group indicates only signals quasi co-located with the second signal.
As an embodiment, the first signaling group indicates time-frequency resources determined by the second signal.
As an embodiment, the first signaling group indicates the second signal by indicating the first signal and an offset.
As an embodiment, the first signaling group indicates the second signal by indicating a time-frequency resource occupied by the second signal.
As an embodiment, the first signaling group indicates the second signal by indicating a time-frequency offset of a known signal.
Example 12a
Embodiment 12a illustrates a schematic diagram of the first signaling group being used to indicate a second signal according to an embodiment of the present application, as shown in fig. 12 a.
As an embodiment, the first signaling explicitly indicates the second signal.
As an embodiment, the first signaling indicates an index of the second signal.
As one embodiment, the first signaling indicates a signal that is uniquely quasi-co-located with the second signal.
As an embodiment, the first signaling indicates time-frequency resources determined by the second signal.
As an embodiment, the first signaling indicates the second signal by indicating the first signal and an offset.
As an embodiment, the first signaling indicates the second signal by indicating a time-frequency resource occupied by the second signal.
As an embodiment, the first signaling indicates the second signal by indicating a time-frequency offset of a known signal.
Example 13
Embodiment 13 illustrates a block diagram of a processing apparatus for use in a first node according to an embodiment of the present application; as shown in fig. 13. In fig. 13, the processing means 1300 in the first node comprises a first receiver 1301, a first transmitter 1302. In the case of the embodiment 13, however,
a first receiver 1301 receiving a first signal and a first signaling group;
a first transmitter 1302 that transmits a target signal;
in embodiment 13 the first signaling group is used to indicate a first set of sequences, the first set of sequences comprising a plurality of sequences, a first sequence being one of the first set of sequences, the first sequence being used to generate the target signal, the first signaling group being used to indicate a first set of time-frequency resources, a first time-frequency resource belonging to the first set of time-frequency resources, the target signal occupying the first time-frequency resource, the first measurement result and a first counter being used together to determine the first sequence from the first set of sequences, the first counter being related to random access, the target signal being used for random access.
As an embodiment, all sequences comprised by the first set of sequences are associated with the first signal, and all time-frequency resources comprised by the first set of time-frequency resources are associated with the first signal.
As an embodiment, the first signaling group is associated with the first signal, the first signaling group being used to indicate a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal.
As an embodiment, the first signaling group includes first signaling, the first signaling being associated with the first signal, the first signaling being used to indicate a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal; the first signaling group includes second signaling associated with the second signal, the second signaling being used to indicate the second time-frequency resource.
As one embodiment, the first signal and the second signal are quasi co-located.
For one embodiment, the first transmitter 1302 transmits K1 candidate signals;
wherein the value of the first counter is equal to K1, and the transmission power value of the last candidate signal in the time domain of the K1 candidate signals is a first power value; at least two sequences are included in the first sequence set, and the lengths of the two sequences are different; the length of the first sequence is related to the K1; the K1 is a positive integer greater than 1; the first set of sequences is used to generate the K1 candidate signals.
For one embodiment, the first receiver 1301 receives third signaling, and the third signaling is used for feeding back the target signal.
As an embodiment, the first node is a User Equipment (UE).
As an embodiment, the first node is a user equipment supporting large delay inequality.
As an embodiment, the first node is a user equipment supporting NTN.
As an embodiment, the first node is an aircraft.
As an embodiment, the first node is a vehicle-mounted terminal.
As an embodiment, the first node is a relay.
As an embodiment, the first node is a ship.
As an embodiment, the first node is a user equipment of an industrial internet of things.
As an embodiment, the first node is a device supporting low-latency high-reliability transmission.
For one embodiment, the first receiver 1301 includes at least one of the antenna 452, the receiver 454, the receive processor 456, the multiple antenna receive processor 458, the controller/processor 459, the memory 460, or the data source 467 of embodiment 4.
For one embodiment, the first transmitter 1302 includes at least one of the antenna 452, the transmitter 454, the transmit processor 468, the multi-antenna transmit processor 457, the controller/processor 459, the memory 460, or the data source 467 of embodiment 4.
Example 14
Embodiment 14 illustrates a block diagram of a processing apparatus for use in a second node according to an embodiment of the present application; as shown in fig. 14. In fig. 14, the processing means 1400 in the second node comprises a second transmitter 1401 and a second receiver 1402. In the case of the embodiment 14, the following,
a second transmitter 1401 for transmitting the first signal and the first signaling group;
a second receiver 1402 that receives a target signal;
in embodiment 14 the first signaling group is used to indicate a first set of sequences, the first set of sequences comprising a plurality of sequences, a first sequence being one of the first set of sequences, the first sequence being used to generate the target signal, the first signaling group being used to indicate a first set of time-frequency resources, a first time-frequency resource belonging to the first set of time-frequency resources, the target signal occupying the first time-frequency resource, the first measurement result and a first counter being used together to determine the first sequence from the first set of sequences, the first counter being related to random access, the target signal being used for random access.
As an embodiment, all sequences comprised by the first set of sequences are associated with the first signal, and all time-frequency resources comprised by the first set of time-frequency resources are associated with the first signal.
As an embodiment, the first signaling group is associated with the first signal, the first signaling group being used to indicate a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal.
As an embodiment, the first signaling group includes first signaling, the first signaling being associated with the first signal, the first signaling being used to indicate a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal; the first signaling group includes second signaling associated with the second signal, the second signaling being used to indicate the second time-frequency resource.
As one embodiment, the first signal and the second signal are quasi co-located.
For one embodiment, the second receiver 1302 receives K1 candidate signals;
wherein the value of the first counter is equal to K1, and the transmission power value of the last candidate signal in the time domain of the K1 candidate signals is a first power value; at least two sequences are included in the first sequence set, and the lengths of the two sequences are different; the length of the first sequence is related to the K1; the K1 is a positive integer greater than 1; the first set of sequences is used to generate the K1 candidate signals.
As an embodiment, the second transmitter 1401 sends a third signaling, which is used for feeding back the target signal.
As an embodiment, the second node is a base station.
As one embodiment, the second node is a satellite.
As an embodiment, the second node is a user equipment.
For one embodiment, the second node is a gateway.
As an embodiment, the second node is a base station supporting a large delay difference.
As an example, the second transmitter 1401 includes at least one of the antenna 420, the transmitter 418, the transmission processor 416, the multi-antenna transmission processor 471, the controller/processor 475, and the memory 476 of example 4.
For one embodiment, the second receiver 1802 includes at least one of the antenna 420, the receiver 418, the receive processor 470, the multiple antenna receive processor 472, the controller/processor 475, and the memory 476 of embodiment 4.
It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing relevant hardware through a program, and the program may be stored in a computer readable storage medium, such as a read-only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may be implemented by using one or more integrated circuits. Accordingly, the module units in the foregoing embodiments may be implemented in the form of hardware, or may be implemented in the form of software functional modules, and the present application is not limited to any specific combination of software and hardware. User equipment, terminal and UE in this application include but not limited to unmanned aerial vehicle, Communication module on the unmanned aerial vehicle, remote control aircraft, the aircraft, small aircraft, the cell-phone, the panel computer, the notebook, vehicle Communication equipment, wireless sensor, network card, thing networking terminal, the RFID terminal, NB-IoT terminal, MTC (Machine Type Communication) terminal, eMTC (enhanced MTC) terminal, the data card, network card, vehicle Communication equipment, low-cost cell-phone, low-cost panel computer, satellite Communication equipment, ship Communication equipment, wireless Communication equipment such as NTN user equipment. The base station or system device in the present application includes, but is not limited to, a macro cell base station, a micro cell base station, a home base station, a relay base station, a gNB (NR node B) NR node B, a TRP (Transmitter Receiver Point), an NTN base station, a satellite device, a flight platform device, and other wireless communication devices.
The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (28)

1. A first node configured for wireless communication, comprising:
a first receiver to receive a first signal and a first set of signaling, the first signal being used to determine a first measurement result;
a first transmitter for transmitting a target signal;
wherein the first signaling group is used to indicate a first sequence set, the first sequence set comprises a plurality of sequences, a first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, the first time-frequency resources belong to the first set of time-frequency resources, the target signal occupies the first time-frequency resources, the first measurement result and a first counter are used together to determine the first sequence from the first sequence set, the first counter is related to the number of random accesses, and the target signal is used for random accesses; the first measurement result includes RSRP (Reference Signal Receiving Power) or may be used to determine a propagation loss between the first node to a receiver of the target Signal.
2. The first node according to claim 1, wherein all sequences comprised by the first set of sequences are associated with the first signal and all time-frequency resources comprised by the first set of time-frequency resources are associated with the first signal.
3. The first node of claim 1, wherein the first signaling group is associated with the first signal, the first signaling group being used to indicate a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal.
4. The first node of claim 1, wherein the first signaling group comprises first signaling, wherein the first signaling is associated with the first signal, and wherein the first signaling is used to indicate a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal; the first signaling group includes second signaling associated with the second signal, the second signaling being used to indicate the second time-frequency resource.
5. The first node of claim 3 or 4, wherein the first signal and the second signal are quasi co-located.
6. The first node of claim 1, comprising:
sending K1 candidate signals;
wherein the value of the first counter is equal to K1, and the transmission power value of the last candidate signal in the time domain of the K1 candidate signals is a first power value; at least two sequences are included in the first sequence set, and the lengths of the two sequences are different; the length of the first sequence is related to the K1; the K1 is a positive integer greater than 1; the first set of sequences is used to generate the K1 candidate signals.
7. The first node according to any of claim 1, characterized in that the first receiver receives third signaling, which is used for feeding back the target signal.
8. A method in a first node used for wireless communication, comprising:
receiving a first signal and a first signaling group, the first signal being used to determine a first measurement result;
transmitting a target signal;
wherein the first signaling group is used to indicate a first sequence set, the first sequence set comprises a plurality of sequences, a first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, the first time-frequency resources belong to the first set of time-frequency resources, the target signal occupies the first time-frequency resources, the first measurement result and a first counter are used together to determine the first sequence from the first sequence set, the first counter is related to the number of random accesses, and the target signal is used for random accesses; the first measurement result includes RSRP (Reference Signal Receiving Power) or the first measurement result may be used to determine a propagation loss between a sender of the target Signal to a receiver of the target Signal.
9. The method according to claim 8, wherein all sequences comprised by the first set of sequences are associated with the first signal and all time-frequency resources comprised by the first set of time-frequency resources are associated with the first signal.
10. The method in a first node according to claim 8, characterised in that the first signalling group is associated with the first signal, the first signalling group being used to indicate a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal.
11. The method in a first node according to claim 8, characterised in that the first signalling group comprises first signalling, the first signalling being associated with the first signal, the first signalling being used to indicate a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal; the first signaling group includes second signaling associated with the second signal, the second signaling being used to indicate the second time-frequency resource.
12. A method in a first node according to claim 10 or 11, characterised in that the first signal and the second signal are quasi co-located.
13. Method in a first node according to claim 8, characterized in that K1 candidate signals are transmitted;
wherein the value of the first counter is equal to K1, and the transmission power value of the last candidate signal in the time domain of the K1 candidate signals is a first power value; at least two sequences are included in the first sequence set, and the lengths of the two sequences are different; the length of the first sequence is related to the K1; the K1 is a positive integer greater than 1; the first set of sequences is used to generate the K1 candidate signals.
14. Method in a first node according to claim 8, characterised in that a third signalling is received, which third signalling is used for feeding back the target signal.
15. A second node configured for wireless communication, comprising:
a second transmitter to transmit a first signal and a first signaling group, the first signal being used to determine a first measurement result;
a second receiver receiving a target signal;
wherein the first signaling group is used to indicate a first sequence set, the first sequence set comprises a plurality of sequences, a first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, the first time-frequency resources belong to the first set of time-frequency resources, the target signal occupies the first time-frequency resources, the first measurement result and a first counter are used together to determine the first sequence from the first sequence set, the first counter is related to the number of random accesses, and the target signal is used for random accesses; the first measurement result includes RSRP (Reference Signal Receiving Power) or may be used to determine a propagation loss between a sender of the target Signal to a receiver of the target Signal.
16. The second node of claim 15,
all sequences comprised by the first set of sequences are associated with the first signal and all time-frequency resources comprised by the first set of time-frequency resources are associated with the first signal.
17. The second node of claim 15,
the first signaling group is associated with the first signal, the first signaling group being used to indicate a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal.
18. The second node of claim 15,
the first signaling group comprises first signaling, the first signaling being associated with the first signal, the first signaling being used to indicate a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal; the first signaling group includes second signaling associated with the second signal, the second signaling used to indicate the second time-frequency resource.
19. The second node of claim 17 or 18, wherein the first signal and the second signal are quasi co-located.
20. The second node of claim 15, wherein the second receiver receives K1 candidate signals;
wherein the value of the first counter is equal to K1, and the transmission power value of the last candidate signal in the time domain of the K1 candidate signals is a first power value; at least two sequences are included in the first sequence set, and the lengths of the two sequences are different; the length of the first sequence is related to the K1; the K1 is a positive integer greater than 1; the first set of sequences is used to generate the K1 candidate signals.
21. The second node of claim 15, wherein the second transmitter transmits third signaling, and wherein the third signaling is used for feeding back the target signal.
22. A method in a second node used for wireless communication, comprising:
transmitting a first signal and a first signaling group, the first signal being used to determine a first measurement result;
receiving a target signal;
wherein the first signaling group is used to indicate a first sequence set, the first sequence set comprises a plurality of sequences, the first sequence is one of the first sequence set, the first sequence is used to generate the target signal, the first signaling group is used to indicate a first set of time-frequency resources, the first time-frequency resources belong to the first set of time-frequency resources, the target signal occupies the first time-frequency resources, the first measurement result and a first counter are used together to determine the first sequence from the first sequence set, the first counter is related to the number of random accesses, and the target signal is used for random access; the first measurement result includes RSRP (Reference Signal Receiving Power) or may be used to determine a propagation loss between a sender of the target Signal to a receiver of the target Signal.
23. The method in a second node according to claim 22,
all sequences comprised by the first set of sequences are associated with the first signal and all time frequency resources comprised by the first set of time frequency resources are associated with the first signal.
24. The method in a second node according to claim 22,
the first signaling group is associated with the first signal, the first signaling group being used to indicate a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal.
25. The method in a second node according to claim 22,
the first signaling group comprises first signaling, the first signaling being associated with the first signal, the first signaling being used to indicate a second signal; the first set of sequences comprises a second sequence, the second sequence being associated with the second signal; the first set of time-frequency resources comprises second time-frequency resources associated with the second signal; the first signaling group includes second signaling associated with the second signal, the second signaling being used to indicate the second time-frequency resource.
26. The method in a second node according to claim 24 or 25,
the first signal and the second signal are quasi co-located.
27. A method in a second node according to claim 22, comprising:
receiving K1 candidate signals;
wherein the value of the first counter is equal to K1, and the transmission power value of the last candidate signal in the time domain of the K1 candidate signals is a first power value; at least two sequences are included in the first sequence set, and the lengths of the two sequences are different; the length of the first sequence is related to the K1; the K1 is a positive integer greater than 1; the first set of sequences is used to generate the K1 candidate signals.
28. The method in a second node according to claim 22,
transmitting third signaling, the third signaling being used for feeding back the target signal.
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