CN113395767B

CN113395767B - Method and apparatus in a node used for wireless communication

Info

Publication number: CN113395767B
Application number: CN202010171424.XA
Authority: CN
Inventors: 刘瑾; 张晓博
Original assignee: Shanghai Langbo Communication Technology Co Ltd
Current assignee: Shanghai Langbo Communication Technology Co Ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2022-07-01
Anticipated expiration: 2040-03-12
Also published as: CN114945215A; CN113395767A; CN114944907A; CN114944907B

Abstract

A method and apparatus in a node used for wireless communication is disclosed. A first node receives a first set of reference signal resources; selecting a first characteristic sequence from a candidate sequence group in a first period, and sending the first characteristic sequence on a first time-frequency resource block; monitoring a second signal during a first time window when the first signature sequence is associated with a shared channel resource unit in the first period; monitoring a second signal during a second time window when the first signature sequence is not associated with any shared channel resource unit in the first period; measurements for the first set of reference signal resources are used to determine a first channel quality; the first signature sequence is one of the set of candidate sequences in the first epoch; the length of the first time window is a first time length, and the length of the second time window is a second time length. The method and the device ensure the access time delay requirement of the two-step random access process.

Description

Method and apparatus in a node used for wireless communication

Technical Field

The present application relates to a transmission method and apparatus in a wireless communication system, and more particularly, to a transmission scheme and apparatus for random access in wireless communication.

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 order to be able to adapt to various application scenarios and meet different requirements, research projects of Non-orthogonal Multiple Access (NoMA) under NR are also passed on 3GPP RAN #76 universal meeting, the research projects begin at Release 16, and WI is started to standardize related technologies after SI is over. As a bearing NoMA research project, WI of two-step random access (2-step RACH) under NR was also passed on 3GPP RAN #82 second congress.

Disclosure of Invention

The NR Release-16 system introduces a two-Step Random Access procedure (2-Step RACH) to meet the requirement of fast Access. MsgA (Message a) of the two-step random access procedure includes a random access preamble (PRACH preamble) and a physical uplink shared channel load (PUSCH payload); the random access preamble is sent on an RO (random access time), and the physical uplink shared channel load occupies a PRU (PUSCH Resource Unit) on a PO (PUSCH access time) to be sent. The random access preamble and the PRU in the message a are each independently configured, and a part of the random access preamble and a part of the PRU are invalid due to some resource collision. The association mapping between the random access preamble and the PRU in the message a is implicitly determined, resulting in that part of the random access preamble has no corresponding PRU association. When a User Equipment (UE) always selects a random access preamble without an associated PRU, the PUSCH payload cannot be sent in message a, resulting in this UE actually working according to a four-step random access procedure. However, the RAR response window of the two-step random access procedure is generally longer than that of the four-step random access procedure. When the UE is configured as a two-step random access procedure and selects a preamble without an associated PRU, the access delay of the two-step random access procedure is longer than that of the four-step random access rate procedure, and the requirement of normal access delay cannot be guaranteed.

In view of the above problems, the present application discloses a RAR response mechanism in a random access procedure, which can ensure that when a UE selects a random access preamble without an associated PRU, the performance of access delay is equivalent to that of a four-step access procedure. It should be noted that, without conflict, the embodiments and features in the embodiments in the user equipment of the present application may be applied to the base station, and vice versa. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict. Further, although the original purpose of the present application is for random access, the present application can also be used for Beam Failure Recovery (Beam Failure Recovery).

Further, although the present application was originally directed to Uplink (Uplink), the present application can also be used with Sidelink (Sidelink). Further, although the present application was originally directed to single carrier communication, the present application can also be applied to multicarrier communication. Further, although the present application was originally directed to single antenna communication, the present application can also be applied to multi-antenna communication. Further, although the original intention of the present application is directed to the terminal and base station scenario, the present application is also applicable to the V2X scenario, the terminal and relay, and the relay and base station communication scenario, and achieves similar technical effects in the terminal and base station scenario. Furthermore, adopting a unified solution for different scenarios (including but not limited to V2X scenario and terminal to base station communication scenario) also helps to reduce hardware complexity and cost.

It should be noted that the term (telematics) in the present application is explained with reference to the definitions in the 3GPP specification protocol TS36 series, TS37 series and TS38 series, but can also be defined with reference to the IEEE (Institute of Electrical and Electronics Engineers) specification protocol.

The application discloses a method in a first node used for wireless communication, characterized by comprising:

receiving a first set of reference signal resources;

selecting a first characteristic sequence from a candidate sequence group in a first period, and sending the first characteristic sequence on a first time-frequency resource block;

transmitting a first signal on one shared channel resource element in the first period, monitoring a second signal for a first time window, when the first signature sequence is associated to the one shared channel resource element in the first period;

monitoring a second signal during a second time window when the first signature sequence is not associated with any shared channel resource unit in the first period;

wherein measurements for the first set of reference signal resources are used to determine a first channel quality; the first channel quality is not lower than a first threshold; the phrase the first channel quality is not below a first threshold is used to determine the set of candidate sequences in the first epoch; the candidate sequence group in the first period comprises a plurality of candidate sequences, and the first feature sequence is one candidate sequence in the candidate sequence group in the first period; the length of the first time window is a first time length, and the length of the second time window is a second time length.

As an embodiment, the problem to be solved by the present application is: the NR system selects the random access preamble without the associated PRU in the two-step random access process, and the problem of serious reduction of the access performance is caused because the RAR response window of the two-step random access process is longer than that of the four-step random access process.

As an example, the method of the present application is: and establishing association between the first time window and the second time window.

As an example, the method of the present application is: associating whether the first signature sequence is associated to one shared channel resource unit in the first period with a RAR response window.

As an example, the method of the present application is: when the first signature sequence is not associated to a shared channel resource unit in the first period, the RAR response window is the smaller value of the RAR response window of the two-step random access procedure and the RAR response window of the four-step random access procedure.

As an embodiment, the method described above is characterized in that, when the first node is configured as a random access procedure type-2, the performance of random access is no worse than that of random access procedure type-1.

As an embodiment, the method has the advantage of avoiding that when the first node selects the random access preamble of the unassociated shared channel resource unit, the operation is performed according to a four-step random access procedure, and the RAR response window is performed according to a two-step random access time window, thereby ensuring the requirement of UE access delay.

According to one aspect of the application, the method described above is characterized by comprising:

receiving a first signaling group, the first signaling group being used to indicate the first length of time and the second length of time.

receiving a second signaling group, the second signaling group being used to indicate whether the first signature sequence is associated to a shared channel resource unit in the first period.

According to an aspect of the application, the above method is characterized in that when the first signature sequence is associated to one shared channel resource element in the first period, the one shared channel resource element in the first period is used for determining the starting instant of the first time window.

According to an aspect of the application, the above method is characterized in that the first block of time-frequency resources is used for determining the starting instant of the second time window when the first signature sequence is not associated to any shared channel resource element in the first period.

According to an aspect of the application, the above method is characterized in that the first time-frequency resource block is reserved for a second signature sequence associated to a second shared channel resource element in the first period; the second shared channel resource unit is used for determining a starting instant of the second time window when the first signature sequence is not associated to any shared channel resource unit in the first period.

According to one aspect of the application, the above method is characterized in that the second signal is used to determine whether the first signature sequence is correctly received.

According to an aspect of the application, the above method is characterized in that the first node is a user equipment.

According to an aspect of the application, the above method is characterized in that the first node is a base station.

According to an aspect of the application, the above method is characterized in that the first node is a relay node.

The application discloses a method in a second node used for wireless communication, characterized by comprising:

transmitting a first set of reference signal resources;

receiving a first signature sequence on a first time-frequency resource block;

receiving a first signal on one shared channel resource element in the first period and transmitting a second signal within a first time window when the first signature sequence is associated with the one shared channel resource element in the first period;

transmitting a second signal within a second time window when the first signature sequence is not associated with any shared channel resource unit in the first period;

wherein measurements for the first set of reference signal resources are used to determine a first channel quality; the first channel quality is not lower than a first threshold; the phrase the first channel quality is not below a first threshold is used to determine a set of candidate sequences in the first epoch; the candidate sequence group in the first period comprises a plurality of candidate sequences, and the first feature sequence is one candidate sequence in the candidate sequence group in the first period; the length of the first time window is a first time length, and the length of the second time window is a second time length.

transmitting a first signaling group, the first signaling group being used to indicate the first length of time and the second length of time.

transmitting a second signaling group, the second signaling group being used to indicate whether the first signature sequence is associated to a shared channel resource unit in the first period.

According to an aspect of the application, the above method is characterized in that when the first signature sequence is associated to one shared channel resource element in the first period, the one shared channel resource element in the first period is used for determining a starting instant of the first time window.

According to an aspect of the application, the above method is characterized in that the second signal is used to indicate whether the first signature sequence is correctly received.

According to an aspect of the application, the above method is characterized in that the second node is a user equipment.

According to an aspect of the application, the above method is characterized in that the second node is a base station.

According to an aspect of the application, the above method is characterized in that the second node is a relay node.

The application discloses a first node device used for wireless communication, characterized by comprising:

a first receiver to receive a first set of reference signal resources;

the first transmitter selects a first characteristic sequence from a candidate sequence group in a first period and transmits the first characteristic sequence on a first time-frequency resource block;

the first transmitter transmitting a first signal on one shared channel resource element in the first period when the first signature sequence is associated with the one shared channel resource element in the first period, the first receiver monitoring a second signal during a first time window;

the first receiver monitors a second signal within a second time window when the first signature sequence is not associated with any shared channel resource element in the first period;

The present application discloses a second node device used for wireless communication, comprising:

a second transmitter to transmit the first set of reference signal resources;

a second receiver configured to receive a first signature sequence over a first time-frequency resource block;

the second receiver receiving a first signal on one shared channel resource element in the first period, the second transmitter transmitting a second signal within a first time window, when the first signature sequence is associated to the one shared channel resource element in the first period;

the second transmitter transmitting a second signal within a second time window when the first signature sequence is not associated with any shared channel resource unit in the first period;

As an example, the present application has the following advantages:

the problem addressed by the present application is: the NR system selects a random access preamble without an associated PRU in the two-step random access procedure, and the RAR response window of the two-step random access procedure is longer than that of the four-step random access procedure, which causes a problem of a serious drop in access performance.

-the present application establishes an association between said first time window and said second time window.

-the application associates whether the first signature sequence is associated to one shared channel resource element in the first period with a RAR response window.

-in this application, when said first signature sequence is not associated to a shared channel resource unit in said first period, the RAR response window is the smaller of the RAR response window of the two-step random access procedure and the RAR response window of the four-step random access procedure.

In this application, when the first node is configured as random access procedure type-2, the performance of random access is no worse than random access procedure type-1.

The method and the device avoid that when the first node selects the random access preamble of the non-associated shared channel resource unit, the first node operates according to a four-step random access process, and the RAR response window is according to a two-step random access time window, so that the requirement of UE access delay is met.

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 illustrates a process flow diagram of a first node according to one embodiment of the present 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 a radio protocol architecture of a user plane and a control plane according to an embodiment of the present application;

FIG. 4 shows a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application;

FIG. 5 shows a wireless signal transmission flow diagram according to an embodiment of the present application;

FIG. 6 illustrates a diagram of a relationship between a second time-frequency resource block and a shared channel resource element according to an embodiment of the present application;

fig. 7 shows a schematic diagram of a relationship between a first signature sequence and one shared channel resource element according to an embodiment of the application;

FIG. 8 shows a schematic diagram of a relationship between a first time window and a second time window according to an embodiment of the present application;

FIG. 9 shows a block diagram of a processing apparatus for use in a first node device according to an embodiment of the present application;

fig. 10 shows a block diagram of a processing apparatus for use in a second node device 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 of the present application can be arbitrarily combined with each other without conflict.

Example 1

Embodiment 1 illustrates a processing flow diagram of a first node according to an embodiment of the present application, as shown in fig. 1. In fig. 1, each block represents a step.

In embodiment 1, a first node in the present application first performs step 101, and receives a first set of reference signal resources; then, step 102 is executed, a first characteristic sequence is selected from the candidate sequence group in the first period, and the first characteristic sequence is sent on the first time-frequency resource block; finally, step 103 is executed, when the first signature sequence is associated to one shared channel resource unit in the first period, a first signal is transmitted on the one shared channel resource unit in the first period, and a second signal is monitored in a first time window; monitoring a second signal during a second time window when the first signature sequence is not associated with a shared channel resource unit in the first time period; measurements for the first set of reference signal resources are used to determine a first channel quality; the first channel quality is not lower than a first threshold; the phrase the first channel quality is not below a first threshold is used to determine the set of candidate sequences in the first epoch; the candidate sequence group in the first period comprises a plurality of candidate sequences, and the first feature sequence is one candidate sequence in the candidate sequence group in the first period; the length of the first time window is a first time length, and the length of the second time window is a second time length.

For an embodiment, the first set of reference signal resources includes a positive integer number of reference signal sequences of the first type.

As an embodiment, any one of the positive integer number of first type reference signal sequences comprised by the first set of reference signal resources is a Pseudo-Random Sequence (Pseudo-Random Sequence).

As an embodiment, any one of the positive integer number of first type reference signal sequences included in the first set of reference signal resources is a Gold sequence.

As an embodiment, any one of the positive integer number of first type reference signal sequences included in the first set of reference signal resources is an M-sequence.

As an embodiment, any one of the positive integer number of reference signal sequences of the first type included in the first set of reference signal resources is a ZC (zadoff-Chu) sequence.

As an embodiment, the first set of reference signal resources includes a positive integer number of reference signal Resource blocks, and any one of the positive integer number of reference signal Resource blocks includes a positive integer number of res (Resource elements (s)).

As an embodiment, an RE occupies one multicarrier symbol in the time domain and one subcarrier in the frequency domain.

As an embodiment, any one of the positive integer number of reference signal resource blocks included in the first set of reference signal resources is used to transmit one first type of reference signal of the positive integer number of first type of reference signals included in the first set of reference signal resources.

As an embodiment, any one of the positive integer number of first type reference signals comprised by the first set of reference signal resources is mapped to one of the positive integer number of reference signal resource blocks comprised by the first set of reference signal resources.

As an embodiment, the positive integer number of first type reference signal sequences included in the first reference signal Resource set are respectively subjected to Sequence Generation (Sequence Generation), discrete fourier transform (dft), Modulation (Modulation), Resource Element Mapping (Resource Element Mapping), and wideband symbol Generation (Generation) to obtain the first reference signal Resource set.

As one embodiment, the first set of Reference Signal resources includes a positive integer number of CSI-RS (Channel State Information-Reference Signal) resources.

For one embodiment, the first set of reference signal resources includes a positive integer number of periodic CSI-RS resources.

For one embodiment, the first set of reference signal resources includes a positive integer number of aperiodic CSI-RS resources.

As an embodiment, the positive integer number of reference signal resource blocks comprised by the first set of reference signal resources are respectively a positive integer number of CSI-RS resources.

As an embodiment, the first set of reference Signal resources includes a positive integer number of SS/PBCH blocks (Synchronization Signal/Physical Broadcast Channel blocks).

As one embodiment, the first set of Reference Signal resources includes a positive integer number of DMRSs (Demodulation Reference signals).

As one embodiment, the measurement for the first set of reference signal resources comprises time-frequency tracking (time-frequency tracking).

As an embodiment, the measurement for the first reference signal resource set refers to reception based on coherent detection, that is, the first node performs coherent reception on a wireless signal on the positive integer number of reference signal resource blocks included in the first reference signal resource set by using the positive integer number of first type reference signal sequences included in the first reference signal resource set, and measures energy of a signal obtained after the coherent reception.

As an embodiment, the measurement for the first set of reference signal resources refers to reception based on coherent detection, that is, the first node performs coherent reception on a wireless signal by using the positive integer number of first type reference signal sequences included in the first set of reference signal resources on the positive integer number of reference signal resource blocks included in the first set of reference signal resources, and averages received signal energy in a time domain to obtain received power.

As an embodiment, the measurement for the first set of reference signal resources refers to reception based on coherent detection, that is, the first node performs coherent reception on a wireless signal by using the positive integer number of reference signal sequences of the first type included in the first set of reference signal resources on the positive integer number of reference signal resource blocks included in the first set of reference signal resources, and averages received signal energy in a time domain and a frequency domain to obtain received power.

As an embodiment, the measurement for the first set of reference signal resources refers to reception based on energy detection, i.e. the first node perceives (Sense) the energy of the wireless signal over the positive integer number of reference signal resource blocks comprised by the first set of reference signal resources and averages over time to obtain the signal strength.

As an embodiment, the measurement for the first set of reference signal resources means that the first node performs coherent reception on wireless signals on the positive integer number of reference signal resource blocks included in the first set of reference signal resources by using the positive integer number of first type of reference signal sequences included in the first set of reference signal resources to obtain channel quality on the positive integer number of reference signal resource blocks.

As an embodiment, the measurement for the first set of reference signal resources refers to reception based on blind detection, that is, the first node receives signals on the positive integer number of reference signal resource blocks included in the first set of reference signal resources and performs a decoding operation, and determines whether decoding is correct according to CRC bits.

As an embodiment, the first channel quality comprises CSI.

For one embodiment, the first channel quality includes RSRP (Reference Signal Receiving Power).

As an embodiment, the first channel quality includes a channel quality experienced by the positive integer number of reference signals of the first type included in the first set of reference signal resources.

For an embodiment, the first channel quality includes an average received power of the positive integer number of reference signals of the first type included in the first set of reference signal resources.

As an embodiment, the first channel quality includes an average value of received power of the positive integer number of reference signals of the first type included in the first set of reference signal resources over the positive integer number of reference signal resource blocks included in the first set of reference signal resources over time domain and frequency domain.

As an embodiment, the first channel quality comprises a L1-RSRP (Layer 1-RSRP) value.

As an embodiment, the first channel quality comprises a L3-RSRP (Layer 3-RSRP, Layer 3-reference signal received power) value.

As an embodiment, the first channel quality comprises RSSI (Reference Signal Strength Indication).

As an embodiment, the first channel quality includes a SINR (Signal to Interference plus Noise Ratio) value.

As one embodiment, the unit of the first channel quality is W (watts).

As one embodiment, the unit of the first channel quality is mW (milliwatt).

As an embodiment, the unit of the first channel quality is dB (decibel).

As an example, the first channel quality may be in dBm (decibels).

As an embodiment, the first channel quality is not lower than a first threshold.

For one embodiment, the first channel quality is higher than the first threshold.

As an embodiment, the first channel quality is equal to the first threshold.

As one embodiment, the first channel quality is greater than the first threshold.

As an embodiment, the first threshold is a rational number.

As an embodiment, the first threshold is fixed.

For one embodiment, the first threshold is configurable.

As an embodiment, the first threshold is configured by Higher-layer signaling (Higher-layer signaling).

For one embodiment, the phrase that the first channel quality is not below a first threshold is used to determine the set of candidate sequences in the first epoch.

As an embodiment, the set of candidate sequences is one of a first set of candidate sequences and a second set of candidate sequences.

As an example, the first set of candidate sequences includes Q1 candidate sequences, the second set of candidate sequences includes Q2 candidate sequences, Q1 is a positive integer, and Q2 is a positive integer.

As an embodiment, the Q1 candidate sequences included in the first candidate sequence group are all pseudo-random sequences.

As an embodiment, the Q1 candidate sequences included in the first candidate sequence group are all Gold sequences.

As an embodiment, the Q1 candidate sequences included in the first candidate sequence group are all M sequences.

As an embodiment, the Q1 candidate sequences included in the first candidate sequence group are ZC sequences.

As an embodiment, the Q1 candidate sequences included in the first candidate sequence group are all Preamble sequences (preambles).

As an embodiment, the Q1 candidate sequences included in the first candidate sequence group are all Random Access Preamble (RA Preamble).

As an embodiment, the Q1 candidate sequences included in the first candidate sequence group are all Physical Random Access Channel Preamble (PRACH Preamble).

As an embodiment, the Q1 candidate sequences included in the first candidate sequence group are all preamble sequences of Random Access Procedure Type-2 (Type-2 Random Access Procedure).

As an embodiment, the Q1 candidate sequences included in the first candidate sequence group are all preamble sequences in MsgA (Message a) of random access procedure type-2.

As an embodiment, the Q2 candidate sequences included in the second candidate sequence group are all preamble sequences in MsgA of 2-Step Random Access Procedure (2-Step Random Access Procedure).

As an embodiment, the Q2 candidate sequences included in the second candidate sequence group are all pseudo-random sequences.

As an embodiment, the Q2 candidate sequences included in the second candidate sequence group are all Gold sequences.

As an embodiment, the Q2 candidate sequences included in the second candidate sequence group are all M sequences.

As an embodiment, the Q2 candidate sequences included in the second candidate sequence group are ZC sequences.

As an embodiment, the Q2 candidate sequences included in the second candidate sequence group are all preamble sequences.

As an embodiment, the Q2 candidate sequences included in the second candidate sequence group are all preamble sequences for random access.

For one embodiment, the Q2 candidate sequences included in the second candidate sequence group are all physical random access channel preamble sequences.

As an embodiment, the Q2 candidate sequences included in the second candidate sequence group are all preamble sequences of Type-1 (Type-1 Random Access Procedure).

As an embodiment, the Q2 candidate sequences included in the second candidate sequence group are all preamble sequences in Msg1(Message 1) of random access flow type-1.

As an example, the Q2 candidate sequences included in the second candidate sequence group are all preamble sequences in Msg1 of a 4-Step Random Access Procedure (4-Step Random Access Procedure).

As one embodiment, the first set of candidate sequences and the second set of candidate sequences are different.

As an embodiment, the first set of candidate sequences and the second set of candidate sequences are the same, the Q1 is equal to the Q2.

As an embodiment, the candidate sequence group includes Q candidate sequences, the first signature sequence is one candidate sequence of the Q candidate sequences included in the candidate sequence group, and Q is a positive integer.

As an embodiment, when the candidate sequence group is the first candidate sequence group, the Q candidate sequences included in the candidate sequence group are the Q1 candidate sequences included in the first candidate sequence group, respectively, and Q is equal to the Q1.

As an embodiment, when the candidate sequence group is the second candidate sequence group, the Q candidate sequences included in the candidate sequence group are the Q2 candidate sequences included in the second candidate sequence group, respectively, and Q is equal to the Q2.

As an embodiment, when the first channel quality is not lower than the first threshold, the set of candidate sequences is the first set of candidate sequences.

As one embodiment, the set of candidate sequences is the first set of candidate sequences when the first channel quality is above the first threshold.

As an embodiment, the set of candidate sequences is the first set of candidate sequences when the first channel quality is equal to the first threshold.

As an embodiment, when the first channel quality is lower than the first threshold, the set of candidate sequences is the second set of candidate sequences.

As an embodiment, the set of candidate sequences is the second set of candidate sequences when the first channel quality is equal to the first threshold.

As one embodiment, the first time period includes a positive integer number of time slots (slots).

For one embodiment, the first time period includes a plurality of time slots.

As one embodiment, the first period includes 1 slot.

As one embodiment, the first time period includes a positive integer number of subframes (subframes).

As one embodiment, the first period includes a plurality of subframes.

As one embodiment, the first period includes 1 subframe.

As one embodiment, the first period includes a positive integer number of Radio frames (Radio frames).

For one embodiment, the first time period includes a plurality of radio frames.

As an embodiment, the first period includes 1 radio frame.

As one embodiment, the first period of time is continuous in time.

As an example, the first time Period includes a positive integer number of SSB (SS/PBCH Block, Synchronization Signal/Physical Broadcast Channel Block, Synchronization Signal/Broadcast Signal Block) -to-RO (RACH Access Channel Access, Random Access opportunity) Association Pattern Period (Association Pattern Period).

As one example, the first epoch includes 1 SSB-to-RO association pattern epoch.

As one embodiment, the first epoch includes a positive integer number of MsgA Association epochs (MsgA Association Period).

As one embodiment, the first epoch includes 1 MsgA-associated epoch.

As an embodiment, the first time period includes a positive integer number of first class time frequency resource blocks, and any one of the positive integer number of first class time frequency resource blocks included in the first time period includes a PRACH.

As an embodiment, the first time period includes a positive integer number of first class time frequency resource blocks, and any one of the positive integer number of first class time frequency resource blocks included in the first time period includes a positive integer number of REs.

As an embodiment, the first time period includes a positive integer number of first class time frequency resource blocks, and any one of the positive integer number of first class time frequency resource blocks included in the first time period includes a positive integer number of multicarrier symbols in a time domain.

As an embodiment, the first time period includes a positive integer number of first class time frequency resource blocks, and any one of the positive integer number of first class time frequency resource blocks included in the first time period includes a positive integer number of multiple carriers in a frequency domain.

As an embodiment, any one of the positive integer multi-carrier symbols is an OFDM (Orthogonal Frequency Division Multiplexing) symbol.

As an embodiment, any one of the positive integer multicarrier symbols is an SC-FDMA (Single-Carrier Frequency Division Multiple Access) symbol.

As an embodiment, any one of the positive integer multi-carrier symbols is a DFT-S-OFDM (Discrete Fourier Transform Spread Orthogonal Frequency Division Multiplexing) symbol.

As an embodiment, any one of the positive integer multi-carrier symbols is an FDMA (Frequency Division Multiple Access) symbol.

As an embodiment, any one of the positive integer Multi-Carrier symbols is an FBMC (Filter Bank Multi-Carrier) symbol.

As an embodiment, any one of the positive integer multi-carrier symbols is an IFDMA (Interleaved Frequency Division Multiple Access) symbol.

As an embodiment, the positive integer number of Time-frequency resource blocks of the first class included in the first Time period is TDM (Time Division Multiplexing).

As an embodiment, the positive integer number of first class time Frequency resource blocks included in the first period are FDM (Frequency Division Multiplexing).

As an embodiment, any two first-class time-frequency resource blocks of the positive integer number of first-class time-frequency resource blocks included in the first time period are one of TDM or FDM.

As an embodiment, at least two of the positive integer number of time-frequency resource blocks of the first class comprised by the first time period are TDM and FDM.

As an embodiment, any one of the positive integer number of first class time frequency resource blocks included in the first time period includes a positive integer number of ROs (RACH occupancy).

As an embodiment, any one of the positive integer number of first class time frequency resource blocks included in the first time period is 1 RO.

As an embodiment, any one of the positive integer number of first class time frequency resource blocks included in the first time period includes a positive integer number of PRO (PRACH occupancy).

As an embodiment, any one of the positive integer number of first class time frequency resource blocks included in the first time period is 1 PRO.

As an embodiment, the positive integer number of first class time-frequency resource blocks included in the first time period is reserved for the candidate sequence group.

As an embodiment, the positive integer number of first class time-frequency resource blocks included in the first time period is reserved for the Q characteristic sequences included in the candidate sequence group.

As an embodiment, the Q signature sequences included in the candidate sequence group are distributed in the positive integer number of first class time-frequency resource blocks included in the first time period.

As an embodiment, the first time-frequency resource block is one of the positive integer number of first class time-frequency resource blocks included in the first time period.

In one embodiment, the first time-frequency resource block comprises a PRACH.

As an embodiment, the first time-frequency resource block includes a positive integer number of REs.

As an embodiment, the first time-frequency resource block is an RO.

As an embodiment, the first time-frequency resource block is a PRO.

As an embodiment, the first time-frequency resource block is reserved for Q0 candidate sequences in the candidate sequence group, and the Q0 is not greater than the Q.

As an embodiment, the Q0 candidate sequences in the candidate sequence group are all distributed in the first time-frequency resource block.

As one embodiment, the Q is a multiple of the Q0.

As one example, Q0 is equal to 64.

As an embodiment, the Q0 candidate sequences in the set of candidate sequences are orthogonal.

As an embodiment, at least two candidate sequences of the Q0 candidate sequences in the set of candidate sequences are generated from two different base sequences.

As an embodiment, at least two candidate sequences of the Q0 candidate sequences in the candidate sequence group are generated by two cyclic shifts of a base sequence.

As an embodiment, the first signature sequence is one candidate sequence of the Q candidate sequences included in the candidate sequence group.

As an embodiment, the first feature sequence is one candidate sequence of the Q0 candidate sequences included in the candidate sequence group.

As an embodiment, the first signature sequence is a physical random access channel preamble sequence.

As an embodiment, the first signature sequence is a preamble sequence of type-2 of the random access procedure.

As an embodiment, the first signature sequence is a preamble sequence of a 2-step random access procedure.

As an embodiment, the first signature sequence is self-selected by the first node from the Q candidate sequences included in the candidate sequence group in the first period.

As an embodiment, the first signature sequence is randomly selected by the first node from the Q candidate sequences included in the candidate sequence group in the first period.

As an embodiment, the first signature sequence is selected with equal probability from the Q candidate sequences included in the candidate sequence group in the first period.

As an embodiment, the first signature sequence is used to determine the first block of time-frequency resources.

As an embodiment, the first time-frequency resource block is one of the positive integer number of first time-frequency resource blocks included in the first time period that is reserved for the Q0 candidate sequences in the candidate sequence group.

As an embodiment, the first time-frequency resource block is one of the positive integer number of first class time-frequency resource blocks included in the first time period that is reserved for the first signature sequence.

As an embodiment, the first time-frequency resource block is one of the positive integer number of first time-frequency resource blocks included in the first time period, which is reserved for the Q0 candidate sequences in the candidate sequence group, and the first signature sequence is one of the Q0 candidate sequences in the candidate sequence group.

As an embodiment, the first signature sequence is mapped onto the first time-Frequency resource block after being subjected to Discrete Fourier Transform (DFT) and Orthogonal Frequency Division Multiplexing (OFDM) modulation.

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 UEs (User Equipment) 201, one UE241 in Sidelink (Sidelink) communication with the UE201, an NG-RAN (next generation radio access Network) 202, a 5GC (5G Core Network )/EPC (Evolved Packet Core) 210, HSS (Home Subscriber Server )/UDM (Unified Data Management) 220, and an 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. In an NTN network, examples of the gNB203 include a satellite, an aircraft, or a ground base station relayed through a satellite. 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 the 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, and the S-GW/UPF212 itself is connected to the P-GW/UPF 213. The P-GW provides UE IP address allocation 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 first node in the present application includes the UE 201.

As an embodiment, the second node in the present application includes the gNB 203.

As an embodiment, the UE201 is included in the user equipment of the present application.

As an embodiment, the base station in this application includes the gNB 203.

As an embodiment, the receiver of the first set of reference signal resources in this application comprises the UE 201.

As an embodiment, the sender of the first set of reference signal resources in this application includes the gNB 203.

As an embodiment, the sender of the first signature sequence in this application includes the UE 201.

As an embodiment, the recipient of the first signature sequence in this application includes the gNB 203.

As an embodiment, the receivers of the first signaling group in this application comprise the UE 201.

As an embodiment, the sender of the first signaling group in this application includes the gNB 203.

As an embodiment, the receiver of the second signaling group in this application includes the UE 201.

As an embodiment, the sender of the second signaling group in this application includes the gNB 203.

As an embodiment, the sender of the first signal in the present application includes the UE 201.

As an embodiment, the receiver of the first signal in this application includes the gNB 203.

As an embodiment, the receiver of the second signal in this application includes the UE 201.

As an embodiment, the sender of the second signal in this application includes the gNB 203.

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 first node device (RSU in UE or V2X, car mounted device or car communications module) and the second node device (gNB, RSU in UE or V2X, car mounted device or car communications module), or the control plane 300 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 node devices 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 device. The PDCP sublayer 304 provides data ciphering and integrity protection, and the PDCP sublayer 304 also provides handover support for a first node device to a second node device. The RLC sublayer 303 provides segmentation and reassembly of packets, retransmission of missing packets by ARQ, and the RLC sublayer 303 also provides duplicate packet detection and protocol error detection. The MAC sublayer 302 provides mapping between logical and transport channels and multiplexing of logical channels. The MAC sublayer 302 is also responsible for allocating various radio resources (e.g., resource blocks) in one cell between the first node devices. The MAC sublayer 302 is also responsible for HARQ operations. A 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 device and the first node device. The radio protocol architecture of the user plane 350 includes layer 1(L1 layer) and layer 2(L2 layer), the radio protocol architecture in the user plane 350 for the first node device and the second node device 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 device 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.).

As an example, the wireless protocol architecture in fig. 3 is applicable to the first node in this application.

As an example, the radio protocol architecture in fig. 3 is applicable to the second node in this application.

For one embodiment, the set of reference signal resources in this application is generated in the PHY 301.

As an embodiment, the first signature sequence in this application is generated in the PHY 301.

As an embodiment, the first signal in this application is generated in the RRC sublayer 306.

As an embodiment, the first signal in this application is transmitted to the PHY301 via the MAC sublayer 302.

As an embodiment, the first signaling group in this application is generated in the RRC sublayer 306.

For one embodiment, the first signaling group in this application is transmitted to the PHY301 via the MAC sublayer 302.

As an embodiment, the second signaling group in this application is generated in the RRC sublayer 306.

As an embodiment, the second signaling group in this application is transmitted to the PHY301 via the MAC sublayer 302.

As an embodiment, the second signal in this application is generated in the MAC sublayer 302.

For one embodiment, the second signal is transmitted to the PHY301 via the MAC sublayer 302.

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 410 and a second communication device 450 communicating with each other in an access network.

The first communications 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.

The second 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.

In the transmission from the first communication device 410 to the second communication device 450, at the first 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 first 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 second communications device 450 based on various priority metrics. The controller/processor 475 is also responsible for retransmission of lost packets and signaling to the second 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 450 and 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 transmit 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 first communications apparatus 410 to the second communications apparatus 450, each receiver 454 receives a signal through its respective antenna 452 at the second 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 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 second 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 first 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 first 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 second communications device 450 to the first communications device 410, a data source 467 is used at the second 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 first communications apparatus 410 described in the transmission from the first communications apparatus 410 to the second communications apparatus 450, the controller/processor 459 performs header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on radio resource allocation, performing 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 first 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 second communication device 450 to the first communication device 410, the functionality at the first communication device 410 is similar to the receiving functionality at the second communication device 450 described in the transmission from the first communication device 410 to the second 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 can be associated with a memory 476 that stores program codes and data. Memory 476 may be referred to as a computer-readable medium. In transmissions from the second communications device 450 to the first communications 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 node in this application includes the second communication device 450, and the second node in this application includes the first communication device 410.

As a sub-embodiment of the foregoing embodiment, the first node is a user equipment, and the second node is a base station equipment.

As a sub-embodiment of the foregoing embodiment, the first node is a user equipment, and the second node is a relay node.

As a sub-embodiment of the foregoing embodiment, the first node is a relay node, and the second node is a base station device.

As a sub-embodiment of the above-described embodiment, the second communication device 450 includes: at least one controller/processor; the at least one controller/processor is responsible for HARQ operations.

As a sub-embodiment of the above-described embodiment, the first communication device 410 includes: at least one controller/processor; the at least one controller/processor is responsible for HARQ operations.

As a sub-embodiment of the above-described embodiment, the first communication device 410 includes: at least one controller/processor; the at least one controller/processor is responsible for error detection using positive Acknowledgement (ACK) and/or Negative Acknowledgement (NACK) protocols to support HARQ operations.

As an embodiment, the second communication device 450 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 450 apparatus at least: receiving a first set of reference signal resources; selecting a first characteristic sequence from a candidate sequence group in a first period, and sending the first characteristic sequence on a first time-frequency resource block; transmitting a first signal on one shared channel resource element in the first period, monitoring a second signal for a first time window, when the first signature sequence is associated to the one shared channel resource element in the first period; monitoring a second signal during a second time window when the first signature sequence is not associated with any shared channel resource unit in the first period; measurements for the first set of reference signal resources are used to determine a first channel quality; the first channel quality is not lower than a first threshold; the phrase the first channel quality is not below a first threshold is used to determine the set of candidate sequences in the first epoch; the candidate sequence group in the first period comprises a plurality of candidate sequences, and the first feature sequence is one candidate sequence in the candidate sequence group in the first period; the length of the first time window is a first time length, and the length of the second time window is a second time length.

As an embodiment, the second 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 set of reference signal resources; selecting a first characteristic sequence from a candidate sequence group in a first period, and sending the first characteristic sequence on a first time-frequency resource block; transmitting a first signal on one shared channel resource element in the first period, monitoring a second signal for a first time window, when the first signature sequence is associated to the one shared channel resource element in the first period; monitoring a second signal during a second time window when the first signature sequence is not associated with any shared channel resource unit in the first period; measurements for the first set of reference signal resources are used to determine a first channel quality; the first channel quality is not lower than a first threshold; the phrase the first channel quality is not below a first threshold is used to determine the set of candidate sequences in the first epoch; the candidate sequence group in the first period comprises a plurality of candidate sequences, and the first feature sequence is one candidate sequence in the candidate sequence group in the first period; the length of the first time window is a first time length, and the length of the second time window is a second time length.

As an embodiment, the first communication device 410 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 first communication device 410 means at least: transmitting a first set of reference signal resources; receiving a first signature sequence on a first time-frequency resource block; receiving a first signal on one shared channel resource element in the first period and transmitting a second signal within a first time window when the first signature sequence is associated with the one shared channel resource element in the first period; transmitting a second signal within a second time window when the first signature sequence is not associated with any shared channel resource unit in the first period; measurements for the first set of reference signal resources are used to determine a first channel quality; the first channel quality is not lower than a first threshold; the phrase the first channel quality is not below a first threshold is used to determine a set of candidate sequences in the first epoch; the candidate sequence group in the first period comprises a plurality of candidate sequences, and the first feature sequence is one candidate sequence in the candidate sequence group in the first period; the length of the first time window is a first time length, and the length of the second time window is a second time length.

As an embodiment, the first communication device 410 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 set of reference signal resources; receiving a first signature sequence on a first time-frequency resource block; receiving a first signal on one shared channel resource element in the first period and transmitting a second signal within a first time window when the first signature sequence is associated with the one shared channel resource element in the first period; transmitting a second signal within a second time window when the first signature sequence is not associated with any shared channel resource unit in the first period; measurements for the first set of reference signal resources are used to determine a first channel quality; the first channel quality is not lower than a first threshold; the phrase the first channel quality is not below a first threshold is used to determine a set of candidate sequences in the first epoch; the candidate sequence group in the first period comprises a plurality of candidate sequences, and the first feature sequence is one candidate sequence in the candidate sequence group in the first period; the length of the first time window is a first time length, and the length of the second time window is a second time length.

As one example, at least one of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, the data source 467 is used to receive the first set of reference signal resources in this application.

As one example, at least one of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, the data source 467 may be used to monitor the second signal during the first time window as described herein.

As one example, at least one of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, the data source 467 may be used to monitor the second signal during the second time window as described herein.

As one example, at least one of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, the data source 467 is used to receive the first signaling group in this application.

As one example, at least one of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, the data source 467 is used to receive the second signaling group in this application.

As one example, at least one of { the antenna 452, the transmitter 454, the multi-antenna transmit processor 458, the transmit processor 468, the controller/processor 459, the memory 460, the data source 467} is used in this application to select a first signature sequence from a set of candidate sequences in a first epoch.

As an example, at least one of the antenna 452, the transmitter 454, the multi-antenna transmit processor 458, the transmit processor 468, the controller/processor 459, the memory 460, the data source 467 may be used to transmit a first signature sequence on a first block of time and frequency resources as described herein.

As an example, at least one of the antenna 452, the transmitter 454, the multi-antenna transmit processor 458, the transmit processor 468, the controller/processor 459, the memory 460, the data source 467 is used for transmitting a first signal on a shared channel resource unit associated with the first signature sequence in the first time period in the present application.

As an example, at least one of { the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, the memory 476} is used in this application to transmit a first set of reference signal resources.

As an example, at least one of { the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, the memory 476} is used in this application to transmit the second signal within the first time window.

As an example, at least one of { the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, the memory 476} is used in this application to transmit the second signal within a second time window.

As an example, at least one of { the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, the memory 476} is used in this application to transmit the first signaling group.

As an example, at least one of { the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, the memory 476} is used in this application to transmit the second signaling group.

As an example, at least one of { the antenna 420, the receiver 418, the multi-antenna reception processor 472, the reception processor 470, the controller/processor 475, the memory 476} is used in this application to receive a first signature sequence on a first time-frequency resource block.

As an example, at least one of { the antenna 420, the receiver 418, the multi-antenna receive processor 472, the receive processor 470, the controller/processor 475, the memory 476} is used in this application to receive a second signal on a shared channel resource element associated with the first signature sequence in a first time period.

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, communication between the first node U1 and the second node U2 is over an air interface. The steps in dashed boxes F0 and F1 in fig. 5, respectively, are optional.

For theFirst node U1Receiving a first signaling group in step S11; receiving a second signaling group in step S12; receiving a first set of reference signal resources in step S13; selecting a first signature sequence from the candidate sequence group in the first period in step S14, and transmitting the first signature sequence on the first time/frequency resource block; when the first signature sequence is associated to a shared channel resource element in the first period, transmitting a first signal on a shared channel resource element in the first period in step S15, monitoring a second signal for a first time window in step S16; when the first signature sequence is not associated to any shared channel resource unit in the first period, a second signal is monitored in a second time window in step S17.

For theSecond node U2Transmitting the first signaling group in step S21; transmitting the second signaling group in step S22; transmitting a first set of reference signal resources in step S23; in step S24, receiving a first characteristic sequence on a first time-frequency resource block; when the first signature sequence is associated with a shared channel resource element in the first period, receiving a first signal on a shared channel resource element in the first period in step S25, transmitting a second signal within a first time window in step S26; when the first signature sequence is not associated to any shared channel resource unit in the first period, a second signal is sent in a second time window in step S27.

In embodiment 5, measurements for the first set of reference signal resources are used by the first node U1 to determine a first channel quality; the first channel quality is not lower than a first threshold; the phrase the first channel quality is not below a first threshold is used by the first node U1 to determine the set of candidate sequences in the first epoch; the candidate sequence group in the first period comprises a plurality of candidate sequences, and the first feature sequence is one candidate sequence in the candidate sequence group in the first period; the length of the first time window is a first time length, and the length of the second time window is a second time length; the first signaling group is used to indicate the first length of time and the second length of time; the second signaling group is used to indicate whether the first signature sequence is associated to a shared channel resource element in the first period; the second signal is used by the first node U1 to determine whether the first signature sequence was received correctly.

As an embodiment, when the first signature sequence is associated to one shared channel resource unit in the first period, the one shared channel resource unit in the first period is used for determining a starting instant of the first time window.

As an embodiment, the first block of time and frequency resources is used for determining the starting instant of the second time window when the first signature sequence is not associated to any shared channel resource unit in the first period.

As an embodiment, when the first signature sequence is not associated to any shared channel resource unit in the first period, the first time-frequency resource block is reserved for a second signature sequence, the second signature sequence being associated to a second shared channel resource unit in the first period; the second shared channel resource unit is used to determine a starting instant of the second time window.

As one example, the step of block F0 in FIG. 5 exists and the step of block F1 in FIG. 5 does not exist.

As one example, the step of block F0 in FIG. 5 does not exist and the step of block F1 in FIG. 5 does exist.

As an example, the step of block F0 in fig. 5 exists and the step of block F1 in fig. 5 does not exist when the first signature sequence is associated to a shared channel resource unit in the first epoch.

As an example, the step of block F0 in fig. 5 does not exist and the step of block F1 in fig. 5 exists when the first signature sequence is not associated to any shared channel resource unit in the first period.

As an embodiment, the first signaling group is broadcast.

As an embodiment, the first set of signaling includes higher layer signaling.

As an embodiment, the first signaling group includes a SIB (System Information Block).

As an embodiment, the first signaling group includes MIB (Master Information Block).

As an embodiment, the first signaling group includes System Information (System Information) transmitted on bch (broadcast channel).

As an embodiment, the first signaling group includes a positive integer number of the first type signaling.

As an embodiment, the positive integer number of the first type signaling included in the first signaling group is Higher Layer signaling (high Layer signaling).

As an embodiment, the positive integer of the first type signaling in the first signaling group is RRC (Radio Resource Control) layer signaling.

As an embodiment, at least one first type signaling in the positive integer number of first type signaling included in the first signaling group is RRC layer signaling.

As an embodiment, the positive integer number of first type signaling in the first signaling group is one or more fields (fields) in a positive integer number of RRC IEs (Information elements), respectively.

As an embodiment, the positive integer number of the first type signaling in the first signaling group is a positive integer number of fields in one RRC IE.

As an embodiment, the first signaling group is used to indicate a random access preamble parameter.

As an embodiment, the first signaling group comprises configuration parameters of PRACH transmission.

As one embodiment, the first signaling group includes Cell-specific (Cell-specific) random access parameters.

As one example, the first signaling group includes RRC IE RACH-ConfigGeneric.

As an example, the definition of RACH-ConfigGeneric refers to section 6.3.2 of 3GPP TS 38.331.

For one embodiment, the first signaling group includes ra-ResponseWindow.

For one embodiment, the ra-ResponseWindow definition refers to section 6.3.2 of 3GPP TS 38.331.

For one embodiment, the first signaling group includes RRC IE RACH-ConfigCommon.

For one embodiment, the definition of RRC IE RACH-ConfigCommon refers to section 6.3.2 of 3GPP TS 38.331.

As an embodiment, the first signaling group indicates the positive integer number of first class time-frequency resource blocks in the first period.

As an embodiment, the second signaling group is broadcast.

As an embodiment, the second set of signaling includes higher layer signaling.

As an embodiment, the second signaling group includes SIBs.

As an embodiment, the second signaling group includes MIB.

As one embodiment, the second signaling group includes system information transmitted on a BCH.

For one embodiment, the second signaling group includes a positive integer number of the second type signaling.

As an embodiment, the positive integer number of the second type of signaling comprised by the second signaling group is higher layer signaling.

As an embodiment, the positive integer number of second type signaling in the second signaling group are all RRC layer signaling.

As an embodiment, at least one second type signaling of the positive integer number of second type signaling included in the second signaling group is RRC layer signaling.

As an embodiment, the positive integer number of second type signaling in the second signaling group is one or more fields in a positive integer number of RRC IEs, respectively.

As an embodiment, the positive integer number of the second type signaling in the second signaling group is a positive integer number of fields in one RRC IE.

As an embodiment, the second signaling group is used to indicate a random access preamble parameter.

As an embodiment, the second signaling group includes configuration parameters of PRACH transmission.

As an embodiment, the second signaling group includes cell-specific random access parameters.

As an embodiment, the positive integer number of second type signaling in the second signaling group includes RRC IE RACH-ConfigCommon.

As an embodiment, the second signaling group includes a PRACH preamble format (preamble format).

As an embodiment, the second signaling group comprises time resources of PRACH preamble.

As an embodiment, the second signaling group comprises frequency resources (frequency resources) of the PRACH preamble.

As an embodiment, the second signaling group includes a root sequence (the root sequences) and cyclic shifts (cyclic shifts) of a set of PRACH preamble sequences (preamble sequence sets).

As an embodiment, the second signaling group includes at least one of an index in a logical root sequence table (local root sequence table) of the PRACH preamble sequence set, a cyclic shift (cyclic shift), and a PRACH preamble sequence set type.

As an embodiment, the second signaling group includes an index of a root sequence of the PRACH (PRACH root sequence index).

For one embodiment, the second signaling group includes a PRACH preamble subcarrier spacing.

As an embodiment, the second signaling group comprises a transmit power of a PRACH preamble.

As one embodiment, the second signaling group includes PRACH resources.

As an embodiment, the second signaling group indicates a positive integer number of ROs in the first period.

As an embodiment, the positive integers RO in the first period are positive integers PRO in the first period, respectively.

As an embodiment, the second signaling group indicates the positive integer number of first class time-frequency resource blocks in the first period.

As an embodiment, the second signaling group indicates the positive integer number of first class time-frequency resource blocks in the first period and the positive integer number of second class time-frequency resource blocks in the first period.

As an embodiment, the second signaling group indicates the positive integer number of first class time-frequency resource blocks in the first period and Nu number of shared channel resource units in the first period.

As an embodiment, the second signaling group indicates a first time-frequency resource block in the first period.

As an embodiment, the second signaling group indicates the positive integer number of first class time frequency resource blocks in the first period, and the first node selects the first time frequency resource block from the positive integer number of first class time frequency resource blocks.

As one embodiment, the second signaling group indicates that any one of the positive integer number of ROs in the first period is associated with a positive integer number of SS/PBCH blocks (SS/PBCH blocks, synchronization signal/broadcast channel blocks).

As one embodiment, the second signaling group indicates that at least one RO of the positive integer number of ROs in the first period is associated with a positive integer number of SS/PBCH blocks.

As an embodiment, the second signaling group indicates R collision-based preambles corresponding to any SS/PBCH block of the positive integer number of SS/PBCH blocks associated with any valid RO in the first period, where R is a positive integer not greater than 64.

As an embodiment, the second signaling group includes ssb-perRACH-occupancy and dcb-preamblisperssb signaling.

As an example, the definition of ssb-perRACH-OccasionAndCB-preamblisperssb signaling refers to section 6.3.2 of 3GPP TS 38.331.

As an embodiment, the second signaling group comprises msgA-PUSCH-config.

As an embodiment, the definition of msgA-PUSCH-config refers to 3GPP TS 38.331.

As an embodiment, the second signaling group is used to indicate a downlink control channel.

As an embodiment, the second signaling group comprises a cell-specific PDCCH parameter configuration.

As an embodiment, the second signaling group comprises PDCCH-config.

As an embodiment, the PDCCH-config definition refers to 3GPP TS 38.331.

As an embodiment, the second signaling group explicitly indicates one shared channel resource element in the first period when the first signature sequence is associated to the one shared channel resource element in the first period.

As an embodiment, the second signaling group implicitly indicates one shared channel resource unit in the first period when the first signature sequence is associated to the one shared channel resource unit in the first period.

As an embodiment, the second signaling group is used to indicate time-frequency resources occupied by any candidate sequence in the candidate sequence group in the first period.

Example 6

Embodiment 6 illustrates a schematic diagram of a relationship between a second time-frequency resource block and a shared channel resource unit according to an embodiment of the present application, as shown in fig. 6. In fig. 6, the horizontal axis represents time, the number axis represents frequency, and the diagonal axis represents reference signal resources; the bold solid line box represents the second time frequency resource block in the present application; the small rectangles filled with the diagonal squares represent the first reference signal resource in the present application; the small rectangles filled with diagonal stripes represent the second reference signal resource in this application. In fig. 6, the bold solid line box carrying the italic rectangle represents the first shared channel resource unit in the present application; the heavy solid box carrying the diagonal rectangles represents the second shared channel resource unit in this application.

In embodiment 6, a first time period includes a positive integer number of second type time frequency resource blocks, a second time frequency resource block is any one of the positive integer number of second type time frequency resource blocks included in the first time period, the second time frequency resource block includes a positive integer number of shared channel resource units, and the positive integer number of shared channel resource units included in the second time frequency resource block is associated with a candidate sequence in a first candidate sequence group in the first time period.

For one embodiment, the first time period includes Nu number of shared channel resource elements, the Nu being a positive integer.

As an embodiment, the first signature sequence is associated to a shared channel resource unit in the first period.

As an embodiment, the first signature sequence is associated to one of the Nu shared channel resource elements comprised in the first time period.

As an embodiment, any of the Nu shared channel resource units included in the first time period is associated with one candidate sequence in the candidate sequence group.

As an embodiment, the first signature sequence is not associated to any of the Nu shared channel resource elements comprised in the first time period.

As an embodiment, any one of the Nu shared channel resource elements included in the first time period includes a plurality of REs.

As an embodiment, any one of the Nu Shared Channel resource elements included in the first time period is reserved for one PUSCH (Physical Uplink Shared Channel).

As an embodiment, any one of the Nu Shared Channel resource elements included in the first time period is reserved for one UL-SCH (Uplink Shared Channel).

As an embodiment, any one of the Nu shared channel resource elements included in the first time period is reserved for random access.

As an embodiment, any one of the Nu shared channel resource units included in the first time period is reserved for MsgA for two-step random access.

As one embodiment, any one of the Nu shared channel resource units included in the first time period is reserved for MsgA of random access type-2.

As an embodiment, any one of the Nu shared channel resource units comprised in the first time period is reserved for PUSCH load (physical uplink shared channel load) in MsgA of random access type-2.

As an embodiment, any one of the positive integer number of second type time frequency resource blocks included in the first time period is configured with a positive integer number of reference signal resources.

As an embodiment, any one of the positive integer number of second type time frequency resource blocks included in the first time period is associated with a positive integer number of reference signal resources.

As an embodiment, the second time frequency resource block is configured with a positive integer number of reference signal resources, and the positive integer number of shared channel resource units included in the second time frequency resource block respectively correspond to the positive integer number of reference signal resources on the second time frequency resource block.

As an embodiment, the first time period includes the Nu shared channel resource units, and any shared channel resource unit in the Nu shared channel resource units included in the first time period occupies a second type of time-frequency resource block in the first time period, and adopts one reference signal resource in the positive integer number of reference signal resources on the second type of time-frequency resource block.

As an embodiment, the first time period includes the Nu shared channel resource units, and any one of the Nu shared channel resource units included in the first time period is a combination of one second type time frequency resource block of the positive integer number of second type time frequency resource blocks included in the first time period and one reference signal resource on the one second type time frequency resource block.

As an embodiment, any one of the Nu shared channel resource units included in the first time period is a combination of one of the positive integer number of second type time frequency resource blocks included in the first time period and one of the positive integer number of reference signal resources on the one second type time frequency resource block.

As an embodiment, the first shared channel resource unit and the second shared channel resource unit are two shared channel resource units in the positive integer number of shared channel resource units included in the second time-frequency resource block, the first shared channel resource unit uses a first reference signal resource on the second time-frequency resource block, and the second shared channel resource unit uses a second reference signal resource on the second time-frequency resource block.

As an embodiment, the second time frequency resource block is associated with the positive integer number of reference signal resources, and the first reference signal resource and the second reference signal resource are two reference signal resources of the positive integer number of reference signal resources on the second time frequency resource block.

As an embodiment, the positive integer number of reference signal resources on the second time-frequency resource block are respectively positive integer number of DMRS resources.

As an embodiment, the positive integer number of reference signal resources on the second time-frequency resource block are respectively positive integer number of PUSCH DMRS resources.

As an embodiment, the positive integer number of Reference Signal resources on the second time-frequency resource block are positive integer number of SRS (Sounding Reference Signal) resources, respectively.

As an embodiment, the first target shared channel resource unit is one shared channel resource unit in the positive integer number of shared channel resource units included in the second time-frequency resource block, and the first target reference signal is one reference signal resource corresponding to the first target shared channel resource unit in the positive integer number of reference signal resources on the second time-frequency resource block; the small scale channel characteristics obtained from the first target reference signal are used to demodulate a wireless signal transmitted on the first target shared channel resource element.

As one embodiment, the Nu shared channel resource elements included in the first time period are indicated by msgA-PUSCH-config.

As an embodiment, the positive integer number of second class time-frequency resource elements included in the first time period is indicated by msgA-PUSCH-config.

As an embodiment, the positive integer number of reference signal resources on any one of the positive integer number of second type time frequency resource blocks comprised by the first time period is indicated by msgA-DMRS-Configuration.

As an embodiment, the first time period includes a positive integer number of second type time frequency resource blocks, and any one of the positive integer number of second type time frequency resource blocks included in the first time period includes a PUSCH (Physical Uplink Shared Channel).

As an embodiment, the first time period includes a positive integer number of second type time frequency resource blocks, and any one of the positive integer number of second type time frequency resource blocks included in the first time period includes a positive integer number of REs.

As an embodiment, the first time period includes a positive integer number of second type time frequency resource blocks, and any one of the positive integer number of second type time frequency resource blocks included in the first time period includes a positive integer number of multicarrier symbols in a time domain.

As an embodiment, the first time period includes a positive integer number of second type time frequency resource blocks, and any one of the positive integer number of second type time frequency resource blocks included in the first time period includes a positive integer number of multiple carriers in a frequency domain.

As an embodiment, the positive integer number of second type time frequency resource blocks comprised by the first time period are TDM.

As an embodiment, the positive integer number of second type time frequency resource blocks comprised by the first time period is FDM.

As an embodiment, any two of the positive integer number of second type time frequency resource blocks included in the first time period are one of TDM or FDM.

As an embodiment, at least two of the positive integer number of second type time frequency resource blocks comprised by the first time period are TDM and FDM.

As an embodiment, any one of the positive integer number of second type time frequency resource blocks included in the first time period includes a positive integer number of POs (PUSCH occupancy).

As an embodiment, any one of the positive integer number of second kind of time frequency resource blocks included in the first time period is 1 PO.

Example 7

Embodiment 7 illustrates a schematic diagram of a relationship between a first signature sequence and a shared channel resource unit according to an embodiment of the present application, as shown in fig. 7. In fig. 7, an unfilled square represents the first signature sequence in the present application. In case a of fig. 7, the diagonal grid filled rectangle represents one shared channel resource unit in the present application.

In case a of embodiment 7, the first signature sequence in this application is associated to one shared channel resource element in the first period; the one shared channel resource unit in the first period is used for transmitting the first signal; in case B of embodiment 7, the first signature sequence in this application is not associated to any shared channel resource unit in the first period.

As an embodiment, the one shared channel resource unit in the first period is one shared channel resource unit of the Nu shared channel resource units included in the first period.

As one embodiment, the one shared channel resource element in the first period includes a plurality of REs.

As an embodiment, the one shared channel resource element in the first period is reserved for one PUSCH.

As an embodiment, the one shared channel resource element in the first period is reserved for one UL-SCH.

As an embodiment, the one shared channel resource unit in the first period is reserved for random access.

As an embodiment, the one shared channel resource unit in the first period is reserved for MsgA for two-step random access.

As an embodiment, the one shared channel resource unit in the first period is reserved for MsgA of random access type-2.

As an embodiment, the one shared channel resource element in the first period is reserved for PUSCH load in MsgA of random access type-2.

As an embodiment, at least one candidate sequence in the set of candidate sequences in the first epoch is associated to one of the Nu shared channel resource elements in the first epoch.

As an embodiment, at least one candidate sequence in the set of candidate sequences in the first epoch is not associated to any of the Nu shared channel resource elements in the first epoch.

As an embodiment, when the first signature sequence is associated to one of the Nu shared channel resource elements in the first period, the one of the Nu shared channel resource elements in the first period is used for transmitting the first signal.

As an embodiment, when the first signature sequence is associated to one of the positive integer number of shared channel resource elements on the positive integer number of second type time frequency resource blocks comprised by the first time period, one of the positive integer number of shared channel resource elements on the positive integer number of second type time frequency resource blocks comprised by the first time period is used for transmitting the first signal.

As an embodiment, the first signal is relinquished from being transmitted before the first time window when the first signature sequence is not associated to any of the Nu shared channel resource elements in the first period.

As an embodiment, the method further comprises, when the first signature sequence is not associated to any of the positive integer number of shared channel resource elements on the positive integer number of second class time frequency resource blocks comprised by the first time period, forgoing transmission of the first signal before the first time window.

As one embodiment, refraining from transmitting the first signal before the first time window includes transmitting the first signal after the first time window.

For one embodiment, foregoing transmitting the first signal prior to the first time window includes foregoing transmitting the first signal.

For one embodiment, the phrase forgoing sending the first signal means that the transmit power of the first signal is 0.

For one embodiment, the phrase forgoing transmission of the first signal means that the first signal was not generated at baseband.

As an embodiment, the first signature sequence being associated to one shared channel resource element in the first period comprises the first signature sequence being used to indicate the one shared channel resource element in the first period from the Nu shared channel resource elements comprised in the first period.

As an embodiment, the first signature sequence being associated to one shared channel resource element in the first period comprises the first signature sequence being used to indicate a time-frequency position of one shared channel resource element in the first period.

As an embodiment, the first signature sequence is associated to one shared channel resource element in the first period comprising that the first time-frequency resource block is used for determining the second time-frequency resource block.

As an embodiment, the first signature sequence is associated to a shared channel resource unit in the first period, including the time domain resource of the first time-frequency resource block, and is shifted backward by a first time interval to obtain the time domain resource of the second time-frequency resource block.

As one embodiment, the first time interval includes a positive integer number of slots.

As an embodiment, the first time interval comprises a positive integer number of multicarrier symbols.

As an embodiment, the first signature sequence being associated to one shared channel resource unit in the first period comprises the first time-frequency resource block being used for determining the second time-frequency resource block, an index of the first signature sequence in the Q0 candidate sequences in the first time-frequency resource block being used for determining the one shared channel resource unit of the positive integer number of shared channel resource units on the second time-frequency resource block.

As an embodiment, the first signature sequence is associated to one shared channel resource element in the first period, including the index of the first signature sequence in the Q signature sequences included in the candidate sequence group, is used to determine the index of the Nu shared channel resource elements included in the first period by the one shared channel resource element in the first period.

As an embodiment, the first signature sequence is associated to one shared channel resource element in the first period comprising an index of the first signature sequence in the Q signature sequences comprised in the candidate sequence group is used to determine the second time-frequency resource block and an index of the one shared channel resource element in the first period in the positive integer number of shared channel resource elements on the second time-frequency resource block.

As one embodiment, the first signal is a baseband signal.

As one embodiment, the first signal is a radio frequency signal.

As one embodiment, the first signal is a wireless signal.

As an embodiment, the first signal is transmitted on UL-SCH.

As one embodiment, the first signal is transmitted on a PUSCH.

In one embodiment, the first signal is transmitted on the second time-frequency resource block in the first period.

As one embodiment, the first signal is transmitted on the one shared channel resource element associated with the first signature sequence in the first period.

As an embodiment, the first signal comprises all or part of a higher layer signalling.

As an embodiment, the first signal includes all or part of one RRC layer signaling.

As an embodiment, the first signal includes one or more fields in one RRC IE.

As an embodiment, the first signal includes all or part of a MAC (Multimedia Access Control) layer signaling.

For one embodiment, the first signal includes one or more fields in a MAC CE (Control Element).

For one embodiment, the first signal includes one or more fields in one PHY layer signaling.

As an embodiment, the first signature sequence is a random access preamble sequence, and the first signal includes RRC connection related information.

For one embodiment, the first signature sequence is a random access preamble sequence and the first signal includes Small Data.

As an embodiment, the first signature sequence is a random access preamble sequence, and the first signal includes Control-Plane (C-Plane) information.

As an embodiment, the first signature sequence is a random access preamble sequence, and the first signal includes User-Plane (U-Plane) information.

In one embodiment, the first signature sequence is a random access preamble sequence, and the first signal includes an RRC Message (RRC Message).

In one embodiment, the first signature sequence is a random Access preamble sequence, and the first signal includes a NAS (Non Access Stratum) message.

As an embodiment, the first signature sequence is a random access preamble sequence, and the first signal includes Service Data Attachment Protocol (SDAP) Data.

As an embodiment, the first signature sequence is a preamble sequence of MsgA in random access, and the first signal is a PUSCH payload of MsgA in random access procedure.

As an embodiment, the first signature sequence is a PRACH preamble of MsgA in random access procedure type-2, and the first signal is a PUSCH payload of MsgA in random access procedure type-2.

As an embodiment, the Channel occupied by the first signature sequence includes a RACH (random access Channel), and the Channel occupied by the first signal includes an UL-SCH (Uplink Shared Channel).

As an embodiment, the channel occupied by the first signature sequence includes a PRACH and the channel occupied by the first signal includes a PUSCH.

As an embodiment, the RRC connection related information includes at least one of a radio resource control setup request, a radio resource control recovery request1, a radio resource control reestablishment request, a radio resource control reconfiguration complete, a radio resource control handover confirmation, and a radio resource control early data request.

As an embodiment, the RRC Connection related information includes at least one of an RRC Connection Request, an RRC Connection Resume Request, an RRC Connection Re-establishment, an RRC Handover configuration confirmation, an RRC Connection Reconfiguration Complete, an RRC Early Data Request, an RRC Setup Request, an RRC Resume Request, an RRC resource control Resume Request1, an RRC Request Reconfiguration Complete, an RRC Reconfiguration Complete Request.

As an embodiment, the first bit block comprises a positive integer number of bits, and the first signal comprises all or part of the bits of the first bit block.

As an embodiment, a first block of bits is used to generate the first signal, the first block of bits comprising a positive integer number of bits.

As an embodiment, the first bit block comprises a positive integer number of bits, and all or a part of the positive integer number of bits comprised by the first bit block is used for generating the first signal.

As an embodiment, the first bit block includes 1 CW (Codeword).

As one embodiment, the first bit Block includes 1 CB (Code Block).

As an embodiment, the first bit Block includes 1 CBG (Code Block Group).

As an embodiment, the first bit Block includes 1 TB (Transport Block).

As an embodiment, all or a part of bits of the first bit Block sequentially pass through a transport Block level CRC (Cyclic Redundancy Check) Attachment (Attachment), a Code Block Segmentation (Code Block Segmentation), a Code Block level CRC Attachment, a Channel Coding (Channel Coding), a Rate Matching (Rate Matching), a Code Block Concatenation (Code Block Concatenation), a scrambling (scrambling), a Modulation (Modulation), a Layer Mapping (Layer Mapping), an Antenna Port Mapping (Antenna Port Mapping), a Mapping to Physical Resource Blocks (Mapping to Physical Resource Blocks), a Baseband Signal Generation (Baseband Signal Generation), a Modulation and an Upconversion (Modulation and Upconversion), and then the first Signal is obtained.

As an embodiment, the first signal is an output of the first bit block after sequentially passing through a Modulation Mapper (Modulation Mapper), a Layer Mapper (Layer Mapper), a Precoding (Precoding), a Resource Element Mapper (Resource Element Mapper), and a multi-carrier symbol Generation (Generation).

As an embodiment, the channel coding is based on a polar (polar) code.

As an example, the channel coding is based on an LDPC (Low-density Parity-Check) code.

As an embodiment, only the first bit block is used for generating the first signal.

As an embodiment, bit blocks other than the first bit block are also used for generating the first signal.

As an example, the definition of Type-2 Random Access Procedure refers to section 8 of 3GPP TS 38.213.

As an embodiment, the first signature sequence indicates a first identity, and the first signal carries a second identity.

As an embodiment, the first signature sequence indicates the first identifier, and the first signal carries the first identifier and the second identifier.

As an embodiment, the first identity and the second identity are used for scrambling of the first signal.

As an embodiment, the first signature sequence indicates the first identifier, and the first signature sequence does not carry the second identifier.

As an embodiment, the first identifier is an index of the first signature sequence in a positive integer number of signature sequences configured in the first time-frequency resource block.

As an embodiment, the first identifier is a Random Access Preamble Identity (Random Access Preamble Identity).

As an embodiment, the first identifier is an Extended RAPID.

As an embodiment, the second identity is a TC-RNTI (Temporary Cell-RNTI).

As an embodiment, the second identity is a C-RNTI (Cell-RNTI, Cell radio network temporary identity).

As an embodiment, the second identifier is a random number.

As an embodiment, the second identifier is RA-RNTI (Random Access-RNTI, Random Access radio network temporary identifier)

As an embodiment, the second identity is a random number generated by the first node.

As an embodiment, the first identifier is a positive integer.

As an embodiment, the first identifier is a positive integer from 1 to 64.

As an embodiment, the first flag is a positive integer from 0 to 63.

As an embodiment, the second identifier is a positive integer.

As an embodiment, the second flag includes a positive integer number of bits.

As an embodiment, the second identifier comprises 8 bits.

Example 8

Embodiment 8 illustrates a schematic diagram of a relationship between a first time window and a second time window according to an embodiment of the present application, as shown in fig. 8.

In case a of embodiment 8, when the first signature sequence is associated to one shared channel resource element in the first period, transmitting a first signal on the one shared channel element in the first period, monitoring a second signal for a first time window; in case B of embodiment 8, monitoring a second signal during a second time window when the first signature sequence is not associated to any shared channel resource element in the first period; the length of the first time window is a first time length, and the length of the second time window is a second time length.

As one embodiment, the first time window includes a positive integer number of subframes.

For one embodiment, the first time window includes a positive integer number of time slots.

As one embodiment, the first time window includes a plurality of multicarrier symbols.

For one embodiment, the first time Window is a Random Access Response Window (RAR Window).

As an embodiment, the first time window is a random access response window of a two-step random access procedure.

For one embodiment, the first time window is a random access response window of random access procedure type-2.

As an embodiment, the first time window comprises the positive integer number of slots as indicated by the first signaling group.

As an embodiment, the length of the first time window is a duration of the first time window in a time domain.

As an embodiment, the length of the first time window is the number of time domain resource blocks occupied by the first time window.

As an embodiment, the length of the first time window is the number of time slots occupied by the first time window.

As an embodiment, the length of the first time window is the number of subframes occupied by the first time window.

As one embodiment, the first length of time is a positive integer.

As one embodiment, the unit of the first length of time is milliseconds.

As an embodiment, the first length of time is indicated by the first signaling group.

As an embodiment, the first length of time is a length of a random access response window.

As an embodiment, the first length of time is a length of a random access response window of random access procedure type-2.

As one example, the first length of time is up to 40 milliseconds (ms).

As one embodiment, the first length of time does not exceed 40 milliseconds.

As an example, the first length of time is 44 slots.

For one embodiment, the first length of time is 720 slots.

As an embodiment, the one shared channel resource unit in the first period to which the first signature sequence is associated is used for determining a starting instant of the first time window.

As an embodiment, the second time-frequency resource block is used for determining a starting instant of the first time window.

As an embodiment, the first time window is after the second time-frequency resource block.

As an embodiment, the starting time of the first time window is after the ending time of the second time-frequency resource block.

As an embodiment, the first time window is after the one shared channel resource element in the first period to which the first signature sequence is associated.

As an embodiment, the start time of the first time window is after the end time of the one shared channel resource unit in the first period to which the first signature sequence is associated.

In one embodiment, the first time window is separated from the second time-frequency resource block by a first time offset.

As an embodiment, a first time offset is separated between the starting time of the first time window and the ending time of the second time-frequency resource block.

As an embodiment, the first time offset comprises a positive integer number of multicarrier symbols.

As one embodiment, the first time offset includes a positive integer number of slots.

As an embodiment, the first time offset is fixed.

As an example, the first time offset is configurable.

As an embodiment, the first time offset is indicated by the first signaling group.

For one embodiment, the second time window includes a positive integer number of subframes.

For one embodiment, the second time window includes a positive integer number of time slots.

For one embodiment, the second time window includes a plurality of multicarrier symbols.

For one embodiment, the second time window is a random access response window.

For one embodiment, the second time window is a random access response window of a four-step random access procedure.

As an embodiment, the second time window is a random access response window of random access procedure type-1.

As an embodiment, the second time window includes the positive integer number of slots as indicated by the first signaling group.

As an embodiment, the length of the second time window is the duration of the second time window in the time domain.

As an embodiment, the length of the second time window is the number of time domain resource blocks occupied by the second time window.

As an embodiment, the length of the second time window is the number of time slots occupied by the second time window.

As an embodiment, the length of the second time window is the number of subframes occupied by the second time window.

As an embodiment, the second length of time is a positive integer.

As one embodiment, the unit of the second length of time is milliseconds.

As an embodiment, the second length of time is indicated by the first signaling group.

As an embodiment, the second length of time is a length of a random access response window.

As an embodiment, the second time length is a length of a random access response window of random access procedure type-1.

As an embodiment, the first time length is a length of a random access response window of a two-step random access procedure, and the second time length is a length of a random access response window of a four-step random access procedure.

As an embodiment, the first time length is a length of a random access response window of a random access procedure type-2, and the second time length is a length of a random access response window of a random access procedure type-1.

As one example, the second length of time is up to 10 milliseconds (ms).

As an embodiment, the second length of time does not exceed 10 milliseconds.

As an embodiment, the second length of time is 11 slots.

As an embodiment, the second length of time is 180 slots.

As an embodiment, the first time-frequency resource block is used for determining a starting time of the second time window.

As an embodiment, the second time window is after the first block of time and frequency resources.

As an embodiment, the starting time of the second time window is after the ending time of the first time-frequency resource block.

In one embodiment, the second time window is separated from the first block of time and frequency resources by a second time offset.

As an embodiment, a second time offset is spaced between the starting time of the second time window and the ending time of the first time/frequency resource block.

As an embodiment, the second time offset comprises a positive integer number of multicarrier symbols.

As an embodiment, the second time offset comprises a positive integer number of slots.

As an embodiment, the second time offset is fixed.

As an example, the second time offset is configurable.

As an embodiment, the second time offset is indicated by the first signaling group.

As an embodiment, the first signaling group indicates the first time length and the second time length.

As an embodiment, the first length of time and the second length of time are not equal.

For one embodiment, the first time length is not less than the second time length

As an embodiment, the first length of time and the second length of time are equal.

As one embodiment, the first length of time is greater than the second length of time.

As an embodiment, the first signaling group indicates the first time length and a third time length, and the second time length is the smaller value of the first time length and the third time length.

As an embodiment, the third length of time is a positive integer.

As one example, the unit of the third length of time is milliseconds.

As an embodiment, the third length of time is indicated by the first signaling group.

As an embodiment, the third length of time is a length of a random access response window.

As an embodiment, the first time length is a length of a random access response window of a two-step random access procedure, and the third time length is a length of a random access response window of a four-step random access procedure.

As an embodiment, the first time length is a length of a random access response window of a random access procedure type-2, and the third time length is a length of a random access response window of a random access procedure type-1.

As one example, the third time duration is up to 10 milliseconds (ms).

As an example, the third length of time does not exceed 10 milliseconds.

As an example, the third length of time is 11 slots.

As an example, the third length of time is 180 slots.

As an embodiment, the first length of time and the third length of time are unequal.

As one embodiment, the first time length is not less than the third time length

As an embodiment, the first time length and the third time length are equal.

As one embodiment, the first length of time is greater than the third length of time.

As an embodiment, when the first time length is greater than the third time length, the second time length is the third time length.

As an example, when the first time length is greater than the third time length, the second time length is the third time length; when the first time length is smaller than the third time length, the second time length is the first time length.

As an embodiment, whether the first signature sequence is associated to a shared channel resource element in the first period is used to determine to monitor the second signal within one of the first time window and the second time window.

As an embodiment, the second signal is monitored during the first time window when the first signature sequence is associated to a shared channel resource element in the first time period; monitoring the second signal during the second time window when the first signature sequence is not associated with a shared channel resource unit in the first time period.

As an embodiment, a first signature sequence and a second signature sequence are two signature sequences of the Q0 signature sequences on the first time-frequency resource block, respectively, the first signature sequence not being associated to any shared channel resource unit in the first period, the second signature sequence being associated to one shared channel resource unit in the first period, the one shared channel resource unit in the first period being used to determine a starting instant of the second time window.

As an embodiment, a first signature sequence and a second signature sequence are two signature sequences of the Q0 signature sequences on the first time-frequency resource block, respectively, the second signature sequence being associated to one shared channel resource unit in the first time period when the first signature sequence is not associated to any shared channel resource unit in the first time period, the first node monitoring the second signal in the second time window; the one shared channel resource unit in the first period associated by the second signature sequence is used to determine a starting instant of the second time window.

As an embodiment, a start time of the second time window is after an end time of the one shared channel resource unit in the first period associated by the second signature sequence.

As an embodiment, a starting time of the second time window is separated by a third time offset from an ending time of the one shared channel resource unit in the first period associated with the second signature sequence.

As an embodiment, the third time offset comprises a positive integer number of multicarrier symbols.

As an embodiment, the third time offset comprises a positive integer number of slots.

As an embodiment, the third time offset is fixed.

As an example, the third time offset is configurable.

For one embodiment, the second signal comprises a baseband signal.

For one embodiment, the second signal comprises a radio frequency signal.

For one embodiment, the second signal comprises a wireless signal.

As an embodiment, the Channel occupied by the second signal includes a PDCCH (Physical Downlink Control Channel).

As an embodiment, the Channel occupied by the second signal includes a PDCCH and a PDSCH (Physical Downlink Shared Channel).

As an embodiment, the second signal includes DCI (Downlink Control Information).

For one embodiment, the second signal includes an RAR (Random Access Response).

For one embodiment, the second signal includes succeessrar.

For one embodiment, the second signal comprises a fallback rar.

For one embodiment, the definition of success rar refers to 3GPP TS 38.321.

For one embodiment, the definition of fallback rar refers to 3GPP TS 38.321.

As one embodiment, the second signal includes DCI and RAR.

For one embodiment, the second signal comprises a Timing Advance Command (Timing Advance Command).

As an embodiment, the second signal includes an Uplink Grant (Uplink Grant).

For one embodiment, the second signal includes a TC-RNTI (Temporary Cell radio network Temporary identity).

As an embodiment, the first signal is a first message of a random access procedure, and the second signal is a second message of the random access procedure.

As an embodiment, the first signal is MsgA of random access flow type-2 and the second signal is MsgB of random access flow type-2 (Message B).

As an embodiment, the second signal comprises all or part of a MAC layer signaling.

For one embodiment, the second signal includes one or more fields in one MAC CE.

As an embodiment, the second signal includes one or more fields in one MAC PDU (Protocol Data Unit).

As an embodiment, the second signal is a MAC PDU.

As an embodiment, the second signal is a MAC Sub pdu (Sub Protocol Data Unit).

As an embodiment, the second signal comprises all or part of a higher layer signalling.

For one embodiment, the second signal includes one or more fields of a phy (physical) layer.

As an embodiment, the second signal carries a positive integer number of first class identifiers.

As an embodiment, the second signal carries a positive integer number of second class identifiers.

As an embodiment, the second signal carries a positive integer number of the first class identifiers and a positive integer number of the second class identifiers.

As an embodiment, the second signal does not carry any of the positive integer number of first class identifiers, and the second message carries a positive integer number of second class identifiers.

As an embodiment, the second signal carries a positive integer number of the first class identifiers, and the second signal does not carry any one of the positive integer number of the second class identifiers.

As an embodiment, any one of the positive integer number of first class identifiers is a RAPID.

As an embodiment, any one of the positive integer number of first class identifiers is an Extended RAPID.

As an embodiment, at least one of the positive integer number of first class identifiers is used to identify one of the Q0 signature sequences on the first time/frequency resource block.

As an embodiment, one of the positive integer number of second class identities is a TC-RNTI.

As an embodiment, one first type identifier of the positive integer number of first type identifiers is a C-RNTI.

As an embodiment, one of the positive integer numbers of first class identifiers is a random number.

As an embodiment, the first identifier carried by the first signal is one of the positive integer numbers of first class identifiers carried by the second signal.

As an embodiment, the second identifier carried by the first signal is one of the positive integer number of second class identifiers carried by the second signal.

As an embodiment, the first signature sequence indicates one of the positive integer number of first class identifiers carried by the second signal.

As an embodiment, the first identifier indicated by the first signature sequence is one of the positive integer numbers of first class identifiers carried by the second signal.

As an embodiment, the second identifier included in the first signal is one of the positive integer number of second class identifiers carried in the second signal.

As an embodiment, the first identifier carried by the first signal is one of the positive integer number of first class identifiers carried by the second signal, and the second identifier carried by the first signal is one of the positive integer number of second class identifiers carried by the second signal.

As an embodiment, the monitoring refers to receiving based on blind detection, that is, the first node receives a signal in a target time window and performs a decoding operation, and if it is determined that the decoding is correct according to CRC bits, it is determined that the second signal is detected in the target time window; otherwise, the second signal is judged not to be detected in the first time window.

As an embodiment, the target time window is the first time window.

As an embodiment, the target time window is the second time window.

As an embodiment, the monitoring refers to receiving based on coherent detection, that is, the first node performs coherent reception on a wireless signal by using an RS sequence corresponding to the DMRS of the second signal in the target time window, and measures energy of a signal obtained after the coherent reception; if the energy of the signal obtained after the coherent reception is greater than a first given threshold value, judging that the second signal is detected in the target time window; otherwise, the second signal is judged not to be detected in the target time window.

As an embodiment, the monitoring refers to receiving based on energy detection, that is, the first node senses (Sense) the energy of the wireless signal within the target time window and averages over time to obtain the received energy; if the received energy is greater than a second given threshold, determining that the second signal is detected within the target time window; otherwise, the second signal is judged not to be detected in the target time window.

As an embodiment, the second message is detected, that is, the second message is received based on blind detection, and then decoding is determined to be correct according to CRC bits.

As an embodiment, the first signature sequence is correctly received when the second signal is detected in the target time window.

As an embodiment, when the second signal is not detected in the target time window, the first signature sequence is not correctly received.

As an embodiment, the first signal is not correctly received when the second signal is not detected in the target time window.

As an embodiment, when the second signal is detected within the target time window, the second signal does not include the second identification, and the first signal is not received correctly.

Example 9

Embodiment 9 is a block diagram illustrating a processing apparatus used in a first node device, as shown in fig. 9. In embodiment 9, the first node apparatus processing means 900 is mainly composed of a first receiver 901 and a first transmitter 902.

For one embodiment, the first receiver 901 includes at least one of the antenna 452, the transmitter/receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, and the data source 467 of fig. 4.

For one embodiment, the first transmitter 902 includes at least one of the antenna 452, the transmitter/receiver 454, the multi-antenna transmitter processor 457, the transmit processor 468, the controller/processor 459, the memory 460, and the data source 467 of fig. 4 of the present application.

In embodiment 9, the first receiver 901 receives a first set of reference signal resources; the first transmitter 902 selects a first signature sequence from a candidate sequence group in a first period, and transmits the first signature sequence on a first time-frequency resource block; when the first signature sequence is associated to one shared channel resource element in the first period, the first transmitter 902 transmits a first signal on the one shared channel resource element in the first period, and the first receiver 901 monitors a second signal in a first time window; when the first signature sequence is not associated with any shared channel resource element in the first period, the first receiver 902 monitors a second signal for a second time window; measurements for the first set of reference signal resources are used to determine a first channel quality; the first channel quality is not lower than a first threshold; the phrase the first channel quality is not below a first threshold is used to determine the set of candidate sequences in the first epoch; the candidate sequence group in the first period comprises a plurality of candidate sequences, and the first feature sequence is one candidate sequence in the candidate sequence group in the first period; the length of the first time window is a first time length, and the length of the second time window is a second time length.

For one embodiment, the first receiver 901 receives a first signaling group, which is used to indicate the first time length and the second time length.

As an embodiment, the first receiver 901 receives a second signaling group, which is used to indicate whether the first signature sequence is associated to a shared channel resource unit in the first period.

As an embodiment, the first time-frequency resource block is reserved for a second signature sequence associated to a second shared channel resource element in the first period; the second shared channel resource unit is used for determining a starting instant of the second time window when the first signature sequence is not associated to any shared channel resource unit in the first period.

As an embodiment, the second signal is used to determine whether the first signature sequence is correctly received.

For one embodiment, the first node apparatus 900 is a user equipment.

As an embodiment, the first node apparatus 900 is a relay node.

For one embodiment, the first node apparatus 900 is a base station.

Example 10

Embodiment 10 is a block diagram illustrating a processing apparatus used in a second node device, as shown in fig. 10. In fig. 10, the second node device processing apparatus 1000 is mainly composed of a second transmitter 1001 and a second receiver 1002.

For one embodiment, the second transmitter 1001 includes at least one of the antenna 420, the transmitter/receiver 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, and the memory 476 of fig. 4 of the present application.

For one embodiment, second receiver 1002 includes at least one of antenna 420, transmitter/receiver 418, multi-antenna receive processor 472, receive processor 470, controller/processor 475, and memory 476 of fig. 4 of the present application.

In embodiment 10, the second transmitter 1001 transmits a first set of reference signal resources; the second receiver 1002 receives a first signature sequence on a first time-frequency resource block; when the first signature sequence is associated to one shared channel resource element in the first period, the second receiver 1002 receives a first signal on the one shared channel resource element in the first period, and the second transmitter 1001 transmits a second signal within a first time window; the second transmitter 1001 transmits a second signal within a second time window when the first signature sequence is not associated to any shared channel resource unit in the first period; measurements for the first set of reference signal resources are used to determine a first channel quality; the first channel quality is not lower than a first threshold; the phrase the first channel quality is not below a first threshold is used to determine a set of candidate sequences in the first epoch; the set of candidate sequences in the first period includes a plurality of candidate sequences, the first signature sequence is one of the set of candidate sequences in the first period; the length of the first time window is a first time length, and the length of the second time window is a second time length.

As an embodiment, the second transmitter 1001 transmits a first signaling group, which is used to indicate the first time length and the second time length.

As an embodiment, the second transmitter 1001 transmits a second signaling group used to indicate whether the first signature sequence is associated to a shared channel resource unit in the first period.

As an embodiment, the first block of time and frequency resources is used to determine the starting instant of the second time window when the first signature sequence is not associated to any shared channel resource element in the first period.

As an embodiment, the second signal is used to indicate whether the first signature sequence is correctly received.

For one embodiment, the second node apparatus 1000 is a user equipment.

For one embodiment, the second node apparatus 1000 is a base station.

As an embodiment, the second node apparatus 1000 is a relay node.

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 above embodiments may be implemented in a hardware form, or may be implemented in a form of software functional modules, and the present application is not limited to any specific form of combination of software and hardware. First node equipment in this application includes but not limited to cell-phone, panel computer, notebook, network card, low-power consumption equipment, eMTC equipment, NB-IoT equipment, vehicle communication equipment, aircraft, unmanned aerial vehicle, wireless communication equipment such as telecontrolled aircraft. The second node device in the application includes but is not limited to wireless communication devices such as cell-phones, tablet computers, notebooks, network access cards, low power consumption devices, eMTC devices, NB-IoT devices, vehicle-mounted communication devices, aircrafts, airplanes, unmanned aerial vehicles, and remote control airplanes. User equipment or UE or terminal in this application include but not limited to cell-phone, panel computer, notebook, network card, low-power consumption equipment, eMTC equipment, NB-IoT equipment, vehicle communication equipment, aircraft, unmanned aerial vehicle, wireless communication equipment such as remote control aircraft. The base station device, the base station or the network side 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, an eNB, a gNB, a transmission and reception node TRP, a GNSS, a relay satellite, a satellite base station, an air base station, 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

1. A first node device for wireless communication, comprising:

a first receiver to receive a first set of reference signal resources;

wherein measurements for the first set of reference signal resources are used to determine a first channel quality; the first channel quality is not lower than a first threshold; the first channel quality is not lower than a first threshold used to determine the set of candidate sequences in the first epoch; the candidate sequence group in the first period includes a plurality of candidate sequences, the first signature sequence is one of the candidate sequence group in the first period, the length of the first time window is a first time length, the length of the second time window is a second time length, and the first time length and the second time length are equal.

2. The first node apparatus of claim 1, comprising:

a first receiver to receive a first signaling group, the first signaling group being used to indicate the first length of time and the second length of time.

3. The first node apparatus according to claim 1 or 2, comprising:

a first receiver to receive a second signaling group, the second signaling group being used to indicate whether the first signature sequence is associated to a shared channel resource element in the first period.

4. The first node apparatus of claim 1,

when the first signature sequence is associated to one shared channel resource unit in the first period, the one shared channel resource unit in the first period is used for determining a starting instant of the first time window.

5. The first node apparatus of claim 1,

the first block of time-frequency resources is used to determine a starting instant of the second time window when the first signature sequence is not associated to any shared channel resource element in the first period.

6. The first node apparatus of any of claims 1-5,

the first time-frequency resource block is reserved for a second signature sequence associated to a second shared channel resource unit in the first time period; the second shared channel resource unit is used for determining a starting instant of the second time window when the first signature sequence is not associated to any shared channel resource unit in the first period.

7. The first node apparatus of any of claims 1 to 6,

the second signal is used to determine whether the first signature sequence was received correctly.

8. A second node device for wireless communication, comprising:

a second transmitter to transmit the first set of reference signal resources;

a second receiver for receiving a first signature sequence on a first time-frequency resource block;

wherein measurements for the first set of reference signal resources are used to determine a first channel quality; the first channel quality is not lower than a first threshold; the first channel quality is not lower than a first threshold value and is used for determining a candidate sequence group in the first period; the set of candidate sequences in the first period includes a plurality of candidate sequences, the first signature sequence is one of the set of candidate sequences in the first period; the length of the first time window is a first time length, the length of the second time window is a second time length, and the first time length and the second time length are equal.

9. The second node device of claim 8, wherein the second transmitter transmits a first signaling group, the first signaling group being used to indicate the first length of time and the second length of time.

10. Second node device according to claim 8 or 9, wherein the second transmitter is arranged to transmit a second signalling group indicating whether the first signature sequence is associated to a shared channel resource element in the first period.

11. Second node device according to any of claims 8 to 10, wherein when the first signature sequence is associated to one shared channel resource unit in the first period, said one shared channel resource unit in the first period is used for determining a starting instant of the first time window.

12. Second node device according to any of claims 8-11, wherein the first block of time-frequency resources is used for determining the starting instant of the second time window when the first signature sequence is not associated to any shared channel resource element in the first period.

13. Second node device according to any of claims 8-12, wherein the first block of time and frequency resources is reserved for a second signature sequence associated to a second shared channel resource unit in the first period; the second shared channel resource unit is used to determine a starting time of the second time window when the first signature sequence is not associated to any shared channel resource unit in the first period.

14. Second node device according to any of claims 8 to 13, wherein the second signal is used to indicate whether the first signature sequence is correctly received.

15. A method in a first node used for wireless communication, comprising:

receiving a first set of reference signal resources;

16. A method in a first node according to claim 15, comprising:

17. A method in a first node according to claim 15 or 16, comprising:

receiving a second signaling group used to indicate whether the first signature sequence is associated with one shared channel resource unit in the first period.

18. Method in a first node according to any of claims 15-17, characterized in that when the first signature sequence is associated to one shared channel resource unit in the first period, said one shared channel resource unit in the first period is used for determining the starting instant of the first time window.

19. Method in a first node according to any of claims 15-18, wherein the first block of time-frequency resources is used for determining the starting instant of the second time window when the first signature sequence is not associated to any shared channel resource unit in the first period.

20. A method in a first node according to any of claims 15-19, characterized in that the first block of time-frequency resources is reserved for a second signature sequence associated to a second shared channel resource unit in the first period; the second shared channel resource unit is used for determining a starting instant of the second time window when the first signature sequence is not associated to any shared channel resource unit in the first period.

21. Method in a first node according to any of claims 15-20, wherein the second signal is used for determining whether the first signature sequence is received correctly.

22. A method in a second node used for wireless communication, comprising:

transmitting a first set of reference signal resources;

receiving a first signature sequence on a first time-frequency resource block;

wherein measurements for the first set of reference signal resources are used to determine a first channel quality; the first channel quality is not lower than a first threshold; the first channel quality is not lower than a first threshold value and is used for determining a candidate sequence group in the first period; the candidate sequence group in the first period comprises a plurality of candidate sequences, and the first feature sequence is one candidate sequence in the candidate sequence group in the first period; the length of the first time window is a first time length, the length of the second time window is a second time length, and the first time length and the second time length are equal.

23. A method in a second node according to claim 22, comprising:

24. A method in a second node according to claim 22 or 23, comprising:

25. Method in a second node according to any of claims 22-24, characterized in that when the first signature sequence is associated to one shared channel resource unit in the first period, said one shared channel resource unit in the first period is used for determining the starting instant of the first time window.

26. Method in a second node according to any of the claims 22-25, wherein the first block of time-frequency resources is used for determining the starting instant of the second time window when the first signature sequence is not associated to any shared channel resource unit in the first period.

27. A method in a second node according to any of the claims 22-26, characterized in that the first block of time-frequency resources is reserved for a second signature sequence, which is associated to a second shared channel resource unit in the first period; the second shared channel resource unit is used to determine a starting time of the second time window when the first signature sequence is not associated to any shared channel resource unit in the first period.

28. A method in a second node according to any of claims 22-27, wherein the second signal is used to indicate whether the first signature sequence was received correctly.