WO2018082392A1

WO2018082392A1 - Method and apparatus for instructing and transmitting transmission point or beam of new generation wireless communication system

Info

Publication number: WO2018082392A1
Application number: PCT/CN2017/100243
Authority: WO
Inventors: 谌丽; 陈瑞卡
Original assignee: 电信科学技术研究院
Priority date: 2016-11-02
Filing date: 2017-09-01
Publication date: 2018-05-11
Also published as: CN108024259B; CN108024259A

Abstract

Disclosed by the present application are a method and apparatus for instructing and transmitting a transmission point or a beam of a new generation wireless communication system, comprising: a network side determines a transmission point or beam that provides signaling and/or data transmission for a terminal in a cell; a random access response is sent to the terminal in a random access process, the random access response carrying information of the transmission point or the beam. In the random access process, the terminal receives a random access response, the random access response carrying information of a transmission point or beam that provides signaling and/or data transmission for the terminal in the cell; and the terminal performs transmission reception point (TRP)/beam-level transmission according to the transmission point or the beam. Using the present application may reduce overhead of air interface resources and increase system capacity, reduce the power consumption of the network side and terminal, and may carry out accurate channel estimation and measurement as well as accurate power control, thereby improving the reliability of signaling and data transmission.

Description

Transmission point or beam indication, transmission method and device of new generation wireless communication system

This application claims priority to the Chinese Patent Application entitled "New Generation Wireless Communication System Transmission Point or Beam Indication, Transmission Method and Apparatus" submitted to the Chinese Patent Office on November 2, 2016, application number 201610952770.5, all of which apply The content is incorporated herein by reference.

Technical field

The present application relates to the field of wireless communication technologies, and in particular, to a transmission point or beam indication and transmission method and apparatus of a new generation wireless communication system.

Background technique

Figure 1 is a schematic diagram of a new generation wireless communication system architecture. The network architecture introduced in a new generation wireless communication system (called NG or 5G system) is shown in Figure 1. The network side node next generation base station (gNB) may include one or more transmission points to transmit a reception point/transmission point (TRP), and each transmission point may be performed by using a different beam (Beam) and the terminal. Air interface signaling and data transmission. That is, in a cell under one gNB, the TRP is a network-side transmission point that directly performs air interface transmission with the terminal, and the TRP and the terminal transmit the manner by communicating with the terminal through different beams, and the beam may be omnidirectional (360 degrees) or oriented. (less than 360 degrees, can be tens or ten degrees). One or more TRP/beams can simultaneously serve one terminal for signaling and data transmission.

For a user equipment (UE) (usually an idle UE) or an inactive UE (inactive UE) that does not need to perform signaling and data interaction with the network side, it is generally only required. Receive cell level information including one or more TRP/Beams and perform cell level measurements. The cell-level information, such as the cell-level system message, is sent through all or a part of the transmission points or beam synchronization in the cell; the reference signal measured at the cell level is also synchronously transmitted on all or a part of the transmission points or beams in the cell. This design ensures that UEs that do not need to transmit data only need to identify the cell without accurately identifying the TRP/Beam, avoiding unnecessary signaling overhead, such as signaling overhead moving between TRP/Beam.

However, the prior art has at least one of the following disadvantages: in a specific case, this method may increase the air interface resource overhead and reduce the system capacity; or increase the power consumption of the network side and the terminal; or because the terminal cannot recognize the TRP/Beam, Accurate channel estimation measurement and precise power control are not conducive to the improvement of signaling and data transmission reliability.

Summary of the invention

The present application provides a transmission point or beam indication, transmission method and apparatus for a new generation wireless communication system, so that the UE can identify the TRP/Beam when it needs to perform signaling and data transmission with the network side, thereby The transmission process can reduce resource overhead, increase system capacity, and improve transmission reliability.

A transmission point or beam indication method in a new generation wireless communication system is provided in the embodiment of the present application, including:

The network side determines a transmission point or beam that provides signaling and/or data transmission to the terminal in the cell;

In the random access process, a random access response is sent to the terminal, where the random access response carries information of the transmission point or the beam Beam.

In the implementation, the transmission point or beam for providing signaling and/or data transmission to the terminal in the cell is the transmission point of the Msg1 sent by the terminal, or the uplink and downlink beam pair corresponding to the uplink beam of the received Msg1;

Or, it is all transmission points or beams in the cell.

In an implementation, the random access response carries information about the transmission point or the beam, and is sent together with a unique reference signal of the transmission point or the beam when the random access response is sent, the unique reference signal The method is configured to enable the terminal to determine the transmission point or beam after detecting the unique reference signal.

In the implementation, carrying the unique reference signal refers to scrambling the random access response by using an RA-RNTI, and the RA-RNTI is obtained by calculating a transmission point or a beam identifier that sends the Msg1 as an input parameter.

In implementation, it further includes:

Receiving the Msg1 sent by the terminal, where the Msg1 is sent by the terminal according to the random access resource configuration after the terminal obtains the cell-level random access resource configuration from the received system message, where the system message is adopted by the network side. Transmitted by all or part of the transmission point or beam synchronous transmission of the cell.

In implementation, it further includes:

Allocating a resource for uplink transmission of a specific transmission point or beam in the Msg2, and transmitting a contention resolution message Msg4 on the transmission point or beam;

Alternatively, the terminal allocates uplink transmission resources for all transmission points or beams in the Msg2, and synchronously transmits the contention resolution message Msg4 on all or a part of the transmission points or beams in the cell.

In an implementation, the information about the transmission point or the beam carried in the random access response includes one or a combination of the following information:

TRP/Beam-level reference signal information, TRP/Beam ID, TRP/Beam-level random access resource PRACH information, TRP/Beam-level preamble sequence information.

In implementation, the random access response is a random access response Msg2 sent by all or a part of transmission points or beams in the cell.

A transmission method in a new generation wireless communication system is provided in the embodiment of the present application, including:

In the random access process, the terminal receives a random access response, and the random access response carries information about a transmission point or a beam that provides signaling and/or data transmission to the intra-cell terminal;

Determining the transmission point or beam according to the random access response;

The terminal performs TRP/Beam level transmission according to the transmission point or beam.

In implementation, it further includes:

After the terminal obtains the cell-level random access resource configuration from the received system message, the Msg1 is sent in the cell according to the random access resource configuration, and the system message is sent by using all or part of the transmission point or beam synchronization of the cell. of.

In implementation, it further includes:

Transmitting an uplink transmission on the uplink resource allocated by the terminal in the Msg2, where the uplink resource allocation is for a specific transmission point or beam, and receiving the contention resolution message Msg4 according to the information of the transmission point or the beam carried in the random access response;

Alternatively, the uplink transmission is sent on the uplink resource allocated by the terminal in the Msg2, and the uplink resource allocation is a contention resolution message Msg4 sent by all transmission points or beams in the receiving cell for all transmission points or beams.

In an implementation, determining, according to the random access response, the transmission point or the beam is determined according to a transmission point or a beam-specific reference signal detected by the random access response when the random access response is sent. .

In implementation, it further includes:

The terminal that does not initiate the random access obtains the information of all the transmission points or beams in the cell through the random access response message, and detects the currently working transmission point or beam, or the terminal that fails the random access uses all the received cells. Transmitting point or beam information to detect the current working transmission point or beam;

Send Msg1 on the detected transmission point or beam.

In an implementation, the random access response carries the information about the transmission point or the beam, and when the sent random access response is sent together with the unique reference signal of the transmission point or the beam, according to the detected unique feature The reference signal determines the transmission point or beam.

In implementation, the information of the transmission point or beam includes one or a combination of the following information:

A transmission point or beam indicating device in a new generation wireless communication system is provided in the embodiment of the present application, including:

a network side determining module, configured to determine, at the network side, a transmission point or a beam that provides signaling and/or data transmission to the terminal in the cell;

And a sending module, configured to send a random access response to the terminal in the random access process, where the random access response carries information about the transmission point or the beam Beam.

In an implementation, the network side determining module is further configured to determine a transmission point or a beam that provides signaling and/or data transmission to the terminal in the cell, where the transmission point of the Msg1 sent by the terminal is received, or corresponds to the uplink beam that receives the Msg1. Upstream and downlink beam pairs; or, all transmission points or beams in the cell.

In an implementation, the sending module is further configured to: when the random access response carries the information of the transmission point or the beam, when the random access response is sent, together with the unique reference signal of the transmission point or the beam Transmit, the unique reference signal is used to enable the terminal to determine the transmission point or beam after detecting the unique reference signal.

In an implementation, the sending module is further configured to: when carrying the specific reference signal, the random access response is scrambled by using an RA-RNTI, where the RA-RNTI calculates a transmission point or a beam identifier that sends the Msg1 as an input parameter. Obtained.

In implementation, it further includes:

The network side receiving module is configured to receive the Msg1 sent by the terminal, where the Msg1 is the Msg1 sent in the cell according to the random access resource configuration after the terminal acquires the cell-level random access resource configuration from the received system message. The system message is sent by the network side by means of all or part of the transmission point or beam synchronization transmission of the cell.

In an implementation, the sending module is further configured to allocate, for the terminal, the uplink transmission resource for the specific transmission point or the beam in the Msg2, and send the contention resolution message Msg4 on the transmission point or the beam; or, allocate the target for the terminal in the Msg2 All transmission points or uplink transmission resources of the beam, and the contention resolution message Msg4 is synchronously transmitted on all or a part of transmission points or beams in the cell.

A transmission device in a new generation wireless communication system is provided in the embodiment of the present application, including:

a terminal-side receiving module, configured to receive, by the terminal, a random access response, where the random access response carries information about a transmission point or a beam that provides signaling and/or data transmission to the intra-cell terminal;

a terminal side determining module, configured to determine the transmission point or a beam according to the random access response;

And a transmission module, configured to perform TRP/Beam level transmission according to the transmission point or the beam.

In implementation, it further includes:

The terminal side sending module is configured to: after the terminal acquires the cell-level random access resource configuration from the received system message, send the Msg1 in the cell according to the random access resource configuration, where the system message uses all or part of the transmission point of the cell. Or sent by means of beam synchronous transmission.

In an implementation, the terminal-side receiving module is further configured to send an uplink transmission on an uplink resource allocated by the terminal in the Msg2, where the uplink resource allocation is based on a transmission point or a beam carried in the random access response for a specific transmission point or beam. The information receives the contention resolution message Msg4; or, the uplink transmission is sent on the uplink resource allocated by the terminal in the Msg2, and the uplink resource allocation is for all the transmission points or beams, and all the transmission points or beams in the receiving cell are synchronously transmitted. The competition resolves the message Msg4.

In an implementation, the terminal side determining module is further configured to: when determining the transmission point or beam according to the random access response, according to a transmission point that is sent together with the random access response when the random access response is sent Or beam-specific reference signal detection is determined.

In the implementation, the terminal side determining module is further configured to: after the terminal that does not initiate the random access, obtain the information of all the transmission points or beams in the cell by using the random access response message, and detect the currently working transmission point or beam, or randomly The failed terminal uses the information of all the transmission points or beams in the received cell to detect the currently working transmission point or beam;

Further includes:

The terminal side sending module is configured to send Msg1 on the detected transmission point or beam.

In an implementation, the terminal side determining module further sends, when the random access response carries the information of the transmission point or the beam, the sent random access response and the unique reference signal of the transmission point or the beam. The transmission point or beam is determined based on the detected unique reference signal.

A processor for reading a program in the memory, performing the following process:

Determining a transmission point or beam that provides signaling and/or data transmission to the terminal within the cell;

A transceiver for receiving and transmitting data under the control of a processor, performing the following processes:

Or, it is all transmission points or beams in the cell.

In implementation, it further includes:

Determining the transmission point or beam according to a random access response;

Receiving, in a random access procedure, a random access response, the random access response carrying information of a transmission point or a beam that provides signaling and/or data transmission to the transmitting device in the cell;

TRP/Beam level transmission is performed according to the transmission point or beam.

In implementation, it further includes:

After acquiring the cell-level random access resource configuration from the received system message, the Msg1 is sent in the cell according to the random access resource configuration, where the system message is sent by using all or part of the transmission point or beam synchronous transmission of the cell. .

In implementation, it further includes:

Sending an uplink transmission on the uplink resource allocated in the Msg2, where the uplink resource allocation is for a specific transmission point or beam, and receiving the contention resolution message Msg4 according to the information of the transmission point or the beam carried in the random access response;

Alternatively, the uplink transmission is sent on the uplink resource allocated in the Msg2, and the uplink resource allocation is a contention resolution message Msg4 sent by all transmission points or beams in the receiving cell for all transmission points or beams.

In implementation, it further includes:

The transmitting device that does not initiate the random access obtains information of all transmission points or beams in the cell through the random access response message, detects the currently working transmission point or beam, or uses the transmission device that fails the random access. Receiving information of all transmission points or beams in the received cell, and detecting a currently working transmission point or beam;

Send Msg1 on the detected transmission point or beam.

The beneficial effects of the application are as follows:

In the technical solution provided by the embodiment of the present application, after the network side determines that the transmission point or the beam of the signaling and/or data transmission is provided to the terminal in the cell, that is, in the random access process, the random access response is fed back to the terminal, and The random access response carries information of the transmission point or beam, so that the terminal side can identify the TRP/Beam when it is required to perform signaling and data transmission with the network side.

The transmission point or beam is determined according to the random access response on the terminal side, and the TRP/Beam level transmission is performed subsequently using the transmission point or beam.

Due to the subsequent Msg3, Msg4, or subsequent signaling and data transmission, the terminal can be based on the network side. The information carried in Msg2 identifies TRP/Beam, and uses the TRP/Beam for subsequent Msg3, Msg4, or subsequent signaling and data transmission, and thus eliminates the need for synchronization of TRP/Beam in all or multiple cells. The method performs signaling and data transmission on the UE, thereby reducing air interface resource overhead, increasing system capacity, reducing power consumption of the network side and the terminal, and also enabling the terminal to identify the TRP/Beam, thereby enabling accurate channel estimation measurement and accurate power control. It is beneficial to improve the reliability of signaling and data transmission.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the present application, and are intended to be a part of this application. In the drawing:

1 is a schematic diagram showing the architecture of a new generation wireless communication system in the background art;

2 is a schematic diagram of a process of competing random access in an embodiment of the present application;

3 is a schematic diagram of a process of competing random access in an embodiment of the present application;

4 is a schematic diagram of a MAC RAR format in an embodiment of the present application;

FIG. 5 is a schematic diagram of a format of a back indication pointer in the embodiment of the present application;

6 is a schematic diagram of a format of a random access response message in an embodiment of the present application;

FIG. 7 is a schematic flowchart of a method for implementing a TRP indication method in a network-side next-generation wireless communication system according to an embodiment of the present application;

FIG. 8 is a schematic flowchart of a transmission method in a terminal-side next-generation wireless communication system according to an embodiment of the present application;

FIG. 9 is a schematic diagram of a manner of organizing a random access response message according to an embodiment of the present application;

FIG. 10 is a schematic structural diagram of a mode random access response PDU according to an embodiment of the present application;

FIG. 11 is a schematic diagram of a method for organizing a random access response message according to an embodiment of the present application;

FIG. 12 is a schematic structural diagram of a mode 2 random access response PDU according to an embodiment of the present application;

FIG. 13 is a schematic diagram of a random access procedure according to an embodiment of the present application; FIG.

14 is a schematic diagram of a random access procedure according to Embodiment 2 of the present application;

15 is a schematic diagram of a random access procedure according to Embodiment 3 of the present application;

16 is a schematic diagram of a random access procedure according to Embodiment 4 of the present application;

17 is a schematic diagram of a random access procedure according to Embodiment 5 of the present application;

18 is a schematic structural diagram of a transmission point or a beam indicating apparatus in a new generation wireless communication system according to an embodiment of the present application;

19 is a schematic structural diagram of a transmission device in a new generation wireless communication system according to an embodiment of the present application;

20 is a schematic structural diagram of a network side node in an embodiment of the present application;

FIG. 21 is a schematic structural diagram of a terminal in an embodiment of the present application.

detailed description

The inventor noticed during the invention:

For a UE that performs signaling and data interaction with the network side (generally a connected UE or an inactive UE), if cell-level signaling and data transmission in Long Term Evolution (LTE) are adopted, The UE does not recognize the TRP/Beam, and the signaling interaction between the UE and the cell needs to be completed by all TRP/Beam in the cell. Specifically, the downlink data transmission to the UE requires all or a plurality of TRP/Beam simultaneous transmissions in the cell, and uplink data. The transmission requires all or a large number of TRP/Beam simultaneous receptions within the cell. This method increases the air interface resource overhead and reduces the system capacity. Secondly, it increases the power consumption of the network side and the terminal. Thirdly, because the terminal cannot identify the TRP/Beam, accurate channel estimation measurement and accurate power control cannot be performed, which is not conducive to the letter. Increased reliability of data transmission and transmission.

The following describes the random access process and the following problems:

The random access of the LTE system is divided into two types: contention random access and non-contention random access. The process is as follows:

Competitive random access is used for six purposes: terminal initial access; radio resource control (RRC) connection reestablishment; handover; downlink data arrival in RRC connected state in non-synchronized state; uplink data arrival in RRC connected state; Positioning in the RRC connected state.

FIG. 2 is a schematic diagram of a competitive random access process, as shown in FIG. 2, which is mainly divided into four steps:

Msg1: The UE selects a random access preamble and a physical random access channel (PRACH) resource and uses the PRACH resource to send the selected random access preamble to the base station.

Msg2: The base station receives the preamble, calculates a timing advance (TA), and sends a random access response to the UE, where the random access response includes the timing advance information and uplink scheduling information (ULgrant) for Msg3, and A Cell-Radio Network Temporary Identifier (C-RNTI) assigned by the network side. The physical downlink control channel (PDCCH) carrying the Msg2 scheduling message is scrambled by Random Access-Radio Network Temporary Identity (RA-RNTI), and the RA-RNTI is transmitted and transmitted within 10 ms. The time-frequency resource of the Msg1 uniquely corresponds; in addition, the Msg2 carries the preamble ID, and the UE determines, by the RA-RNTI and the preamble ID, that the Msg2 corresponds to the Msg1 sent by the UE.

Msg3: Scheduled transmission. The UE sends an uplink transmission on the UL grant specified by Msg2. The content of the Msg3 uplink transmission is different for different random access reasons. For example, for initial access, Msg3 transmits an RRC connection establishment request.

Msg4: Contention Resolution message, the UE can judge whether the random access is successful according to Msg4. For the initial access UE, the temporary C-RNTI is automatically converted to the UE's unique in the cell after the contention resolution is successful. The UE identifies the C-RNTI.

FIG. 3 is a schematic diagram of a competitive random access procedure, where non-contention random access is used for handover, downlink data arrival, location, and acquisition of uplink timing. As shown in Figure 2, it is mainly divided into three steps:

Msg0: The base station allocates a dedicated preamble for non-contention random access and a PRACH resource used for random access to the UE.

Msg1: The UE sends the designated dedicated preamble to the base station on the designated PRACH resource according to the indication of Msg0. After receiving the Msg1, the base station calculates the uplink timing advance TA according to Msg1.

Msg2: The base station sends a random access response to the UE. The random access response includes timing advance information and a subsequent uplink transmission resource allocation UL grant, and the timing advance is used for the timing relationship of the UE subsequent uplink transmission.

4 is a schematic diagram of a MAC RAR format, as shown in the figure, a random access response packet data unit MAC RAR PDU (MAC: Media Access Control, media access control; RAR: Random Access Response, random access response; PDU) in the LTE system :Protocol Data Unit, protocol data unit) format is as follows:

The random access response header: the RAPID (Random Preamble ID) is used to indicate the ID of the preamble received by the base station, and E is used to indicate whether there is another random access response header. The UE identifies whether to respond to the preamble sent by itself by the RAPID, and identifies the time-frequency resource location of the preamble transmission by identifying the RA-RNTI scrambled for the MAC RAR PDU whose value is obtained by transmitting the time-frequency resource location of the preamble. The UE combines the RA-RNTI and the RAPID to finally identify that the MAC RAR PDU is a random access response sent by itself.

5 is a schematic diagram of a format of a backoff indication header. As shown in the figure, a backoff indication (BI) is used to indicate a delay parameter of the next random access after the random access failure of the UE. T is used to indicate whether the subsequent is BI or RAPID.

6 is a schematic diagram of a random access response message format, as shown in the figure, a random access response message: the left is a regular random access response, and the right is an extended random access response.

In a new-generation wireless communication system, the UE that does not need to perform signaling and data interaction with the network side only knows the cell-level information, and the initially accessed UE has no TRP/Beam information, and can only pass the cell-level information and The resource is randomly accessed. In this way, the UE sends Msg1 to be received by all or a part of the transmission points or beams in the cell, and can be effectively identified by the network side. When the network side sends the random access response Msg2 to the UE, it also passes the intra-cell TRP/Beam. Sent in synchronous mode. Subsequent Msg3 and Msg4 are also transmitted by intra-cell TRP/Beam synchronization. This approach occupies all or most of the TRP/Beam resources in the cell. Moreover, if the aforementioned UE is to perform signaling and data transmission with the network side (connected state UE), it is necessary to determine TRP/Beam information to reduce resource overhead and achieve reliable transmission, and the initially accessed UE needs to pass. Get TRP/Beam information in some way.

In a 5G system, one cell may contain multiple TRP/Beams. If the cell-level signaling and the data transmission mode of the LTE are adopted, the TRP/Beam in all or multiple cells needs to perform signaling and data transmission in a synchronous manner in the UE. A typical situation is that the message in the random access process needs to be The TRP/Beam in the cell is synchronously transmitted and received. In this way, the air interface resource overhead is increased and the system capacity is reduced. Secondly, the network side and the terminal power consumption are increased. Thirdly, since the terminal cannot identify the TRP/Beam, accurate channel estimation measurement and accurate power control cannot be performed, which is disadvantageous for signaling. And the reliability of data transmission is improved. Therefore, the UE needs to be able to identify the TRP/Beam when it needs to perform signaling and data transmission with the network side, so as to reduce resource overhead, increase system capacity, and improve transmission reliability.

Based on this, in the solution provided by the embodiment of the present application, in the random access process, the specific transmission unit information in the cell, such as TRP/Beam information, is provided to the terminal through a random access response, and the terminal according to the information in subsequent transmission. Perform TRP/Beam identification and TRP/Beam level transmission. The specific embodiments of the present application will be described below with reference to the accompanying drawings.

In the description process, the implementations from the terminal and the network side will be respectively explained. The network side will describe the process of indicating TRP/Beam, and the terminal side will explain the process of identifying TRP/Beam and random access and transmission, and then will give The examples are implemented in conjunction with the two to better understand the implementation of the solution presented in the embodiments of the present application. Such a description does not mean that the two must be implemented together or must be implemented separately. In fact, when the terminal is implemented separately from the network side, it also solves the problem of the terminal side and the network side, and when the two are combined, Will get better technical results.

FIG. 7 is a schematic flowchart of a TRP indication method in a network-side next-generation wireless communication system, as shown in the figure, which may include:

Step 701: The network side determines a transmission point or a beam that provides signaling and/or data transmission to the terminal in the cell.

Step 702: Send a random access response to the terminal in the random access process, where the random access response carries information about the transmission point or the beam.

FIG. 8 is a schematic flowchart of a transmission method in a terminal-side next-generation wireless communication system, as shown in the figure, which may include:

Step 801: In a random access process, the terminal receives a random access response, where the random access response carries information about a transmission point or a beam that provides signaling and/or data transmission to the intra-terminal terminal.

Step 802: Determine the transmission point or beam according to the random access response.

Step 803: The terminal performs TRP/Beam level transmission according to the transmission point or the beam.

In the implementation, for TRP and beam, in the discussion of existing standards, there is an increasing tendency to discuss only the trend of beam. However, in the implementation, whether it is a transmission point or a beam, or even a transmission point and a beam, no matter which way is used. The implementation of the solution of the present application is affected, because the purpose of the solution of the present application is to enable the terminal to perform TRP/Beam identification and TRP/Beam level transmission according to the information in subsequent transmissions, and the specific transmission mode has no effect.

The specific manners involved in the implementation will be described below. For the sake of brevity, the transmission point or beam will be simplified in the implementation instructions. Called TRP/Beam.

1. TRP/Beam signaling and/or data transmission methods.

Manner 1: In the implementation, the transmission point or beam for providing signaling and/or data transmission to the terminal in the cell is the transmission point of the Msg1 sent by the terminal or the uplink and downlink beam pair corresponding to the uplink beam of the received Msg1.

In the implementation, the beam is directional in the implementation, and the uplink and downlink beams form a beam pair, respectively providing uplink and downlink transmission, and the network side receiving Msg1 transmits the random access response through the downlink beam through the uplink beam. The message in the random access response may be an indication of an uplink/downlink beam pair, or may be an uplink beam or a downlink beam (beam information is mainly a beam ID), which depends on how it is used later.

Specifically, the TRP/Beam information is used by the UE to send the TRP/Beam information corresponding to the Msg1 (preamble), and after receiving the Msg1 on the TRP/Beam, the gNB organizes the information into the random access response to the UE, and Other information sent to the UE, such as the uplink timing advance TA, the uplink resource allocation UL grant, and the like are sent together. After receiving the information, the UE may perform a subsequent random access procedure and subsequent data transmission on the TRP/Beam indicated by the random access response, that is, perform TRP/Beam transmission, and specifically perform TRP/Beam transmission. It is necessary to follow the transmission parameters and characteristics of the corresponding TRP or beam in the transmission point TRP transmission or in a certain beam transmission.

FIG. 9 is a schematic diagram of a manner of organizing a random access response message, and the random access response message organization manner may be as shown in FIG. 9.

10 is a schematic diagram of a structure of a random access response PDU. Referring to the LTE random access response format, the constructed random access response PDU may be as shown in FIG. 10. The bold part in the figure is new information introduced in the implementation, and the position of TRP/Beam info is not limited to the position in the figure. The illustration is just an example. How many bytes of TRP/Beam info are used can be determined based on the amount of information of the information.

Manner 2: In the implementation, the transmission point or beam that provides signaling and/or data transmission to the terminal in the cell is all transmission points or beams in the cell.

Specifically, the TRP/Beam information indicates all or part of the transmission point or beam information of the cell, such as indicating a location or sequence index that may receive a TRP/Beam-specific RS (reference signal). In this manner, all UEs receive the same TRP/Beam information, and even the UE that does not initiate random access or the UE that fails to access the random access can receive the random access response and obtain the intra-cell TRP/Beam configuration. The TRP/Beam information control unit can exist independently. After receiving all the TRP/Beam information of the cell, the UE detects the currently available TRP/Beam according to the indication, and uses the detected TRP/Beam to perform the subsequent random access procedure and subsequent data transmission.

FIG. 11 is a schematic diagram of a method for organizing a random access response message according to mode 2, and a random access response message organization manner may be as shown in FIG. 11.

12 is a schematic structural diagram of a mode 2 random access response PDU, which is constructed by referring to an LTE random access response format. The random access response PDU can be as shown in FIG. The bold part in the figure is the new information introduced in the implementation. The position of TRP/Beam info is not limited to the position of the following figure, and T1 is used to indicate whether the subsequent is TRP/Beam info. The illustration is just an example. How many bytes are used by the specific TRP/Beam info is determined based on the amount of information of the information.

Manner 3: In the implementation, the transmission point or beam that provides signaling and/or data transmission to the terminal in the cell is the transmission point of the Msg1 sent by the terminal or the uplink and downlink beam pair corresponding to the uplink beam of the received Msg1. In this mode, an implicit indication is used.

In a specific implementation, the information about the transmission point or the beam carried by the random access response is sent together with the unique reference signal of the transmission point or the beam when the random access response is sent, and the unique reference signal is used. So that the terminal can determine the transmission point or beam after detecting the unique reference signal.

Specifically, in this example, the TRP/Beam information is not explicitly carried in the random access response, and for the UE that sends the Msg1 (preamble) under the same TRP/Beam, the gNB can organize the random access responses of the UEs together. Sent with the TRP/Beam-specific reference signal. After detecting the TRP/Beam reference signal, the UE determines the TRP/Beam information, and uses the TRP/Beam information to perform the subsequent random access procedure and subsequent data transmission. In this way, the MAC RAR format and the content contained can be basically the same as LTE, but the reference signal sent with it can be newly designed.

In a specific implementation, carrying the unique reference signal may refer to scrambling the random access response by using an RA-RNTI, where the RA-RNTI is calculated by using a transmission point or a beam identifier that sends the Msg1 as an input parameter.

Specifically, the calculation of the RA-RNTI may include: a TRP ID/Beam ID, or a time-frequency resource, etc., and an example of a TRP/Beam-specific reference signal is: the random access response in LTE is scrambled by the RA-RNTI, The RA-RNTI is obtained by transmitting the time-frequency resource location of the Msg1. If the RA-RNTI is directly extended based on the RA-RNTI scrambling method, the RA-RNTI calculation factor may include the TRP/Beam number and the like.

2. The TRP/Beam information content of the transmission unit in the random access response.

In an implementation, the information of the transmission point or the beam carried in the random access response may include one or a combination of the following information:

Specifically, the TRP/Beam information content may include one or more of the following, and how to combine the TRP/Beam signaling and/or data transmission manners may be referred to:

The TRP/Beam level reference signal (such as BRS (Beam Reference Signal) information) may include reference signal sequence information, time-frequency resource location, reference power, and the like;

TRP/Beam ID, which may be used to identify TRP, Beam, and related sequences (such as BRS, preamble code, etc.) Generation and identification;

The TRP/Beam-level random access resource PRACH (that is, the resource for accommodating the Msg1 preamble) information is different from the cell-level random access resource, and the TRP/Beam-level random access resource is invisible and unavailable to the idle UE;

TRP/Beam level preamble sequence information.

The following is an example.

In the implementation, the random access response is a random access response Msg2 sent by all or a part of the transmission points or beams in the cell. For details, refer to the steps of the Msg2 in the first, second, third, fourth and fifth embodiments.

In the implementation, in the first, second, third, and fifth embodiments, after the terminal obtains the cell-level random access resource configuration from the received system message, the terminal sends the Msg1 in the cell according to the random access resource configuration, where the system message is sent. It is sent by means of all or part of the transmission point or beam synchronous transmission of the cell.

Embodiment 1:

In this example, the gNB indicates the TRP/Beam that the UE accesses in the random access response, and the specified TRP/Beam is used in the subsequent random access procedure.

Corresponding to TRP/Beam signaling and/or data transmission mode 1, the TRP/Beam information is used to send the TRP/Beam information corresponding to the Msg1 (preamble) to the UE.

FIG. 13 is a schematic diagram of a random access procedure according to the embodiment. As shown in the figure, the UE side may include the following steps:

Step 1300: Essential SI, including cell specific RACH configuration (SFNed transmission) (required system message, including cell-specific RACH configuration (sending in a single frequency network manner, that is, nodes participating in the transmission are synchronously transmitted with the same time-frequency resource; SFN: Single Frequency Network, single frequency network)).

The UE receives the system message, and obtains a cell-level random access resource configuration (including a PRACH resource, a preamble configuration, and the like), and the system message adopts a manner in which all or a part of the cell is transmitted or beam-synchronized.

Step 1301: Msg1: Preamble.

The UE sends an Msg1 (preamble) in the cell according to the random access resource configuration.

Step 1302: Msg2: RAR (including TA, T-CRNTI and TRP/Beam information corresponding to the UE transmitting Msg1) (SFNed transmission).

The UE receives the random access response Msg2 sent by all or a part of the transmission points or the beam synchronization in the cell. The format of the MAC RAR PDU is as shown in FIG. 9 and FIG. 10, and the TRP/Beam information is obtained from the random access response message.

Step 1303: Msg3: Scheduled transmission.

The UE sends an uplink transmission on the uplink resource allocated in the Msg2, and the uplink resource allocation may be for a specific TRP/Beam.

Step 1304: Msg4: Contention Resolution (from individual TRP/Beam) (from a specific Sent on TRP/Beam).

The UE receives the contention resolution message Msg4 according to the TRP/Beam information indicated in the random access response, and the Msg4 is sent from the TRP/Beam accessed by the UE.

That is, in this example, the uplink transmission is sent on the uplink resource allocated by the terminal in the Msg2, and the uplink resource allocation is received according to the information of the transmission point or the beam carried in the random access response when the specific resource allocation is for a specific transmission point or beam. The competition resolves the message Msg4. Correspondingly, the network side allocates a resource for uplink transmission for a specific transmission point or beam in the Msg2, and sends a contention resolution message Msg4 on the transmission point or beam.

The network side adopts a process corresponding to the UE side, and details are not described herein again.

Embodiment 2:

In this example, the gNB indicates the TRP/Beam that the UE accesses in the random access response, and the UE uses the designated TRP/Beam for subsequent transmission after completing the random access.

Corresponding to TRP/Beam signaling and/or data transmission mode 1, the TRP/Beam information is used to send the TRP/Beam information corresponding to the Msg1 (preamble) to the UE. The second embodiment is to avoid interference caused by the UE using TRP/Beam resources incorrectly before the competition is resolved.

FIG. 14 is a schematic diagram of a random access procedure in Embodiment 2, as shown in the figure, the UE side may include the following steps:

Step 1400: Essential SI, including cell specific RACH configuration (SFNed transmission).

Step 1401: Msg1: Preamble.

Step 1402: Msg2: RAR (including TA, T-CRNTI and TRP/Beam information corresponding to the UE transmitting Msg1) (SFNed transmission).

Step 1403: Msg3: Scheduled transmission.

The UE sends an uplink transmission on the uplink resource allocated in the Msg2, and the TRP/Beam in the uplink transmission cell can be obtained.

Step 1404: Msg4: Contention Resolution (SFNed transmission).

The UE performs a contention resolution message Msg4 that is synchronously transmitted by all TRP/Beams in the receiving cell.

That is, in this example, the uplink transmission is sent on the uplink resource allocated by the terminal in the Msg2, and the uplink resource allocation is a contention resolution message sent by all the transmission points or beams in the receiving cell for all the transmission points or beams. Msg4. Correspondingly, the network side allocates uplink transmission resources for all transmission points or beams in the Msg2, and synchronously transmits the contention resolution message Msg4 on all or a part of the transmission points or beams in the cell.

After the contention resolution is completed, the UE may use the TRP/Beam information obtained from the random access response Msg2 for subsequent signaling and data transmission.

Embodiment 3:

In this example, the gNB indicates all the TRP/Beam information in the cell. After the Msg1 is sent, the UE detects the TRP/Beam according to all the TRP/Beam information in the cell, and completes the random access.

Corresponding to TRP/Beam signaling and/or data transmission mode 2, the TRP/Beam information is all or part of the transmission point or beam information indication of the cell.

15 is a schematic diagram of a random access procedure in Embodiment 3. As shown in the figure, the UE side may include the following steps:

Step 1500: Essential SI, including cell specific RACH configuration (SFNed transmission).

Step 1501: Msg1: Preamble.

The UE sends an Msg1 (preamble) in the cell according to the cell-level random access resource configuration.

Step 1502: Msg2: RAR (including TA, T-CRNTI and all TRP/Beam information in the cell) (SFNed transmission).

The UE receives the random access response Msg2 sent by all or a part of the transmission points or the beam synchronization in the cell. The format of the MAC RAR PDU is as shown in FIG. 11 and FIG. 12, and all the TRP/Beam information in the cell is obtained from the random access response message, and according to the Information detects the TRP/Beam you are in.

Step 1503: Msg3: Scheduled transmission.

The UE sends an uplink transmission on the uplink resource allocated in the Msg2, and the uplink transmission may be sent only on the TRP/Beam detected by the UE, or by using the proprietary configuration of the TRP/Beam that the UE detects, such as using the TRP/ Beam-specific reference signal.

Step 1504: Msg4: Contention Resolution (from individual TRP/Beam).

The UE receives the contention resolution message Msg4 according to the detected TRP/Beam information, and the Msg4 is sent from the TRP/Beam accessed by the UE.

Embodiment 4:

In this example, the gNB indicates all TRP/Beam information in the cell in the random access response, and does not initiate random access or The UE that fails the random access detects the TRP/Beam located by the information, and performs random access on the determined TRP/Beam.

FIG. 16 is a schematic diagram of a random access procedure in the fourth embodiment. As shown in the figure, the UE side may include the following steps:

Step 1600: Msg2: RAR (including all TRP/Beam information in the cell) (SFNed transmission).

The UE detects Msg2 according to the cell common information, and acquires all TRP/Beam information in the cell. among them:

A UE that does not initiate random access may set a certain window length to receive Msg2, obtain all TRP/Beam information in the cell, and detect the current TRP/Beam of the UE according to all TRP/Beam information in the cell. If the UE does not receive the random access response including the TRP/Beam information within the window length, the cell level Msg1 (preamble) is first initiated in the manner of the fourth embodiment.

The UE that fails the random access may use the TRP/Beam information in the cell carried in the received Msg2 to detect the current working TRP/Beam.

That is, the terminal that does not initiate the random access obtains the information of all the transmission points or beams in the cell through the random access response message, detects the currently working transmission point or beam, or uses the received terminal after the random access failure. Information about all transmission points or beams in the cell, detecting the current working transmission point or beam; transmitting Msg1 on the detected transmission point or beam.

Step 1601: Msg1: Preamble.

The TRP/Beam information detected by the UE transmits Msg1 (preamble) on the TRP/Beam.

Step 1602: Msg2: RAR (including TA, T-CRNTI and all TRP/Beam information in the cell) (SFNed transmission).

The UE receives the random access response Msg2 sent by all or a part of the transmission points or beam synchronization in the cell. The format of the MAC RAR PDU is shown in FIG. 11 and FIG. 12. Another implementation manner is that random access response information carrying all TRP/Beam information in the cell is not multiplexed with the random access response of the UE that has distinguished the TRP/Beam, and randomized all TRP/Beam information in the cell is carried. The access response information is synchronously transmitted on all TRP/Beams in the cell, and the random access response for the specific UE is sent only on the TRP/Beam corresponding to the Msg1 sent by the UE.

Step 1603: Msg3: Scheduled transmission.

Step 1604: Msg4: Contention Resolution (from individual TRP/Beam).

Embodiment 5:

In this example, the random access response message is sent with a TRP/Beam-specific reference signal.

Corresponding to TRP/Beam signaling and/or data transmission mode III, TRP/Beam information is implicitly carried.

FIG. 17 is a schematic diagram of a random access procedure in Embodiment 5, as shown in the figure, the UE side may include the following steps:

Step 1700: Essential SI, including cell specific RACH configuration (SFNed transmission).

Step 1701: Msg1: Preamble.

Step 1702: Msg2: RAR (including TA, T-CRNTI and TRP/Beam information corresponding to the UE transmitting Msg1) (SFNed transmission).

The UE receives the random access response Msg2 sent by all or a part of the transmission points or the beam synchronization in the cell, and the random access response message carries the TRP/Beam related information, for example, the RA-RNTI pair Msg2 generated by using the TRP/Beam ID as an input. Scrambled. In this manner, only the Msg2 random access response of the Msg1 sent by the UE under the same TRP/Beam can be multiplexed and transmitted in one PDU.

Step 1703: Msg3: Scheduled transmission.

Step 1704: Msg4: Contention Resolution (from individual TRP/Beam).

Based on the same inventive concept, the embodiment of the present application further provides a TRP indication device in a new generation wireless communication system, and a transmission device in a new generation wireless communication system, and the principle of solving the problem by these devices and a new generation The TRP indication method in the wireless communication system and the transmission method in a new generation wireless communication system are similar. Therefore, the implementation of these devices can be referred to the implementation of the method, and the repeated description is not repeated.

FIG. 18 is a schematic structural diagram of a transmission point or a beam indicating apparatus in a new generation wireless communication system, as shown in the figure, which may include:

The network side determining module 1801 is configured to determine, at the network side, a transmission point or a beam that provides signaling and/or data transmission to the terminal in the cell;

The sending module 1802 is configured to send a random access response to the terminal in the random access process, where the random access response carries information about the transmission point or the beam Beam.

In implementation, it further includes:

FIG. 19 is a schematic structural diagram of a transmission device in a new generation wireless communication system, as shown in the figure, which may include:

The terminal side receiving module 1901 is configured to: in the random access process, the terminal receives a random access response, where the random access response carries information about a transmission point or a beam that provides signaling and/or data transmission to the intra-cell terminal;

The terminal side determining module 1902 is configured to determine the transmission point or a beam according to the random access response;

The transmission module 1903 is configured to perform TRP/Beam level transmission according to the transmission point or the beam.

In implementation, it further includes:

Further includes:

For convenience of description, the various parts of the above described devices are described in terms of functions divided into various modules or units. Of course, the functions of each module or unit may be implemented in the same software or hardware in the implementation of the present application.

When the technical solution provided by the embodiment of the present application is implemented, it can be implemented as follows.

FIG. 20 is a schematic structural diagram of a network side node, as shown in the figure, the network side node includes:

The processor 2000 is configured to read a program in the memory 2020 and perform the following processes:

The transceiver 2010 is configured to receive and transmit data under the control of the processor 2000, and performs the following processes:

Or, it is all transmission points or beams in the cell.

In implementation, it further includes:

Wherein, in FIG. 20, the bus architecture can include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 2000 and various circuits of memory represented by memory 2020. The bus architecture also links various other circuits such as peripherals, voltage regulators, and power management circuits. They are well known in the art and, therefore, will not be further described herein. The bus interface provides an interface. The transceiver 2010 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium. The processor 2000 is responsible for managing the bus architecture and the usual processing, and the memory 2020 can store data used by the processor 2000 in performing operations.

21 is a schematic structural diagram of a terminal. As shown in the figure, the terminal includes:

The processor 2100 is configured to read a program in the memory 2120 and perform the following process:

The transceiver 2110 is configured to receive and send data under the control of the processor 2100, and performs the following processes:

Receiving, in a random access procedure, a random access response, where the random access response carries information about a transmission point or a beam that provides signaling and/or data transmission to a terminal in the cell;

In implementation, it further includes:

Send Msg1 on the detected transmission point or beam.

In FIG. 21, the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 2100 and various circuits of memory represented by memory 2120. The bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein. The bus interface provides an interface. Transceiver 2110 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium. For different user equipments, the user interface 2130 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.

The processor 2100 is responsible for managing the bus architecture and general processing, and the memory 2120 can store data used by the processor 2100 in performing operations.

In summary, in the technical solution provided by the embodiment of the present application, in the random access process, the specific transmission unit information in the cell, such as TRP/Beam information, is provided to the terminal through a random access response, and the terminal is in subsequent transmission. Based on this information, TRP/Beam identification and TRP/Beam level transmission are performed.

Three TRP/Beam signaling and/or data transmission modes are also provided in the scheme; the random access procedure of the UE without TRP/Beam information and the existing TRP/Beam information UE is also distinguished.

With the technical solution provided by the embodiment, the UE can perform TRP/Beam identification in the random access process, and the message in the random access process needs to be all TRP/ in the cell relative to the cell-level signaling and data transmission mode. Beam synchronous transmission and reception has the following advantages: firstly increase the air interface resource overhead and reduce the system capacity; secondly, increase the power consumption of the network side and the terminal; thirdly, because the terminal cannot recognize the TRP/Beam, accurate channel estimation measurement and accuracy cannot be performed. The power control is not conducive to the improvement of signaling and data transmission reliability. Therefore, the UE needs to be able to identify TRP/Beam when it needs to perform signaling and data transmission with the network side, so as to reduce resource overhead, increase system capacity, and improve transmission reliability.

Those skilled in the art will appreciate that embodiments of the present application can be provided as a method, system, or computer program product. Thus, the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware. Moreover, the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.

The present application is a flowchart of a method, device (system), and computer program product according to an embodiment of the present application. And / or block diagram to describe. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

It will be apparent to those skilled in the art that various modifications and changes can be made in the present application without departing from the spirit and scope of the application. Thus, it is intended that the present invention cover the modifications and variations of the present invention.

Claims

A method for indicating a transmission point or a beam in a new generation wireless communication system, comprising:

The network side determines a transmission point or beam that provides signaling and/or data transmission to the terminal in the cell;

In the random access process, a random access response is sent to the terminal, where the random access response carries information of the transmission point TRP or the beam Beam.
The method according to claim 1, wherein the transmission point or beam for providing signaling and/or data transmission to the terminal in the cell is the transmission point of the Msg1 sent by the receiving terminal, or the uplink beam of the received Msg1. Corresponding uplink and downlink beam pairs;

Or, it is all transmission points or beams in the cell.
The method according to claim 2, wherein the random access response carries information of the transmission point or beam, which is specific to the transmission point or beam when the random access response is transmitted. The reference signal is sent together, and the unique reference signal is used to enable the terminal to determine the transmission point or beam after detecting the unique reference signal.
The method according to claim 3, wherein the carrying the unique reference signal means that the random access response is temporarily identified by a random access radio network, and the RA-RNTI is to send the Msg1. The transmission point or beam identification is calculated as an input parameter.
The method of claim 1 further comprising:

Receiving the Msg1 sent by the terminal, where the Msg1 is sent by the terminal according to the random access resource configuration after the terminal obtains the cell-level random access resource configuration from the received system message, where the system message is adopted by the network side. Transmitted by all or part of the transmission point or beam synchronous transmission of the cell.
The method of claim 5, further comprising:

Allocating a resource for uplink transmission of a specific transmission point or beam in the Msg2, and transmitting a contention resolution message Msg4 on the transmission point or beam;

Alternatively, the terminal allocates uplink transmission resources for all transmission points or beams in the Msg2, and synchronously transmits the contention resolution message Msg4 on all or a part of the transmission points or beams in the cell.
The method according to claim 1, wherein the information of the transmission point or the beam carried in the random access response comprises one or a combination of the following information:

TRP/Beam-level reference signal information, TRP/Beam ID, TRP/Beam-level random access resource physical random access channel PRACH information, TRP/Beam-level preamble sequence information.
The method according to claim 1, wherein the random access response is a random access response Msg2 sent by all or a part of transmission points or beams in the cell.
A transmission method in a new generation wireless communication system, comprising:

In the random access process, the terminal receives a random access response, and the random access response carries information about a transmission point or a beam that provides signaling and/or data transmission to the intra-cell terminal;

Determining the transmission point or beam according to the random access response;

The terminal performs TRP/Beam level transmission according to the transmission point or beam.
The method of claim 9 further comprising:

After the terminal obtains the cell-level random access resource configuration from the received system message, the Msg1 is sent in the cell according to the random access resource configuration, and the system message is sent by using all or part of the transmission point or beam synchronization of the cell. of.
The method of claim 10, further comprising:

Transmitting an uplink transmission on the uplink resource allocated by the terminal in the Msg2, where the uplink resource allocation is for a specific transmission point or beam, and receiving the contention resolution message Msg4 according to the information of the transmission point or the beam carried in the random access response;

Alternatively, the uplink transmission is sent on the uplink resource allocated by the terminal in the Msg2, and the uplink resource allocation is a contention resolution message Msg4 sent by all transmission points or beams in the receiving cell for all transmission points or beams.
The method of claim 10, wherein determining the transmission point or beam according to the random access response is based on a transmission sent with the random access response when transmitting the random access response Point or beam specific reference signal detection is determined.
The method of claim 9 further comprising:

The terminal that does not initiate the random access obtains the information of all the transmission points or beams in the cell through the random access response message, and detects the currently working transmission point or beam, or the terminal that fails the random access uses all the received cells. Transmitting point or beam information to detect the current working transmission point or beam;

Send Msg1 on the detected transmission point or beam.
The method according to claim 9, wherein the random access response carries information of the transmission point or beam, and the random access response is transmitted together with a unique reference signal of the transmission point or beam. At the time of transmission, the transmission point or beam is determined based on the detected unique reference signal.
The method of claim 9, wherein the information of the transmission point or beam comprises one or a combination of the following information:

TRP/Beam-level reference signal information, TRP/Beam ID, TRP/Beam-level random access resource PRACH information, TRP/Beam-level preamble sequence information.
The method according to claim 9, wherein the random access response is a random access response Msg2 transmitted by all or a part of transmission points or beams in the cell.
A transmission point or beam indicating device in a new generation wireless communication system, comprising:

a network side determining module, configured to determine, at the network side, a transmission point or a beam that provides signaling and/or data transmission to the terminal in the cell;

And a sending module, configured to send a random access response to the terminal in the random access process, where the random access response carries information about the transmission point or the beam Beam.
The apparatus according to claim 17, wherein the network side determining module is further configured to determine a transmission point or a beam for providing signaling and/or data transmission to the terminal in the cell, and is a transmission point of the Msg1 sent by the terminal, or The uplink and downlink beam pairs corresponding to the uplink beam that receives the Msg1; or, all the transmission points or beams in the cell.
The apparatus according to claim 18, wherein the sending module is further configured to: when the random access response carries information of the transmission point or beam, when the random access response is sent, The unique reference signal of the transmission point or the beam is sent together, and the unique reference signal is used to enable the terminal to determine the transmission point or beam after detecting the unique reference signal.
The apparatus according to claim 19, wherein the sending module is further configured to: when carrying the unique reference signal, scrambling the random access response by using an RA-RNTI, where the RA-RNTI is to send the Msg1 The transmission point or beam identification is calculated as an input parameter.
The device of claim 17 further comprising:

The network side receiving module is configured to receive the Msg1 sent by the terminal, where the Msg1 is the Msg1 sent in the cell according to the random access resource configuration after the terminal acquires the cell-level random access resource configuration from the received system message. The system message is sent by the network side by means of all or part of the transmission point or beam synchronization transmission of the cell.
The apparatus according to claim 21, wherein the sending module is further configured to allocate, for the terminal, the uplink transmission resource for the specific transmission point or beam in the Msg2, and send the contention resolution message Msg4 on the transmission point or the beam. Or, the terminal allocates uplink transmission resources for all transmission points or beams in Msg2, and synchronously transmits the contention resolution message Msg4 on all or a part of transmission points or beams in the cell.
The apparatus according to claim 17, wherein the information of the transmission point or the beam carried in the random access response comprises one or a combination of the following information:

TRP/Beam-level reference signal information, TRP/Beam ID, TRP/Beam-level random access resource PRACH information, TRP/Beam-level preamble sequence information.
The apparatus according to claim 17, wherein said random access response is a random access response Msg2 transmitted by all or a part of transmission points or beams in the cell.
A transmission device in a new generation wireless communication system, comprising:

a terminal side receiving module, configured to receive a random access response during a random access process, where the random access ringing Should carry information about transmission points or beams that provide signaling and/or data transmission to the in-cell terminal;

a terminal side determining module, configured to determine the transmission point or a beam according to the random access response;

And a transmission module, configured to perform TRP/Beam level transmission according to the transmission point or the beam.
The device of claim 25, further comprising:

The terminal side sending module is configured to: after the terminal acquires the cell-level random access resource configuration from the received system message, send the Msg1 in the cell according to the random access resource configuration, where the system message uses all or part of the transmission point of the cell. Or sent by means of beam synchronous transmission.
The apparatus according to claim 26, wherein the terminal side receiving module is further configured to send an uplink transmission on an uplink resource allocated by the terminal in the Msg2, where the uplink resource allocation is for a specific transmission point or beam, according to a random The information about the transmission point or the beam carried in the access response receives the contention resolution message Msg4; or, the uplink transmission is sent on the uplink resource allocated by the terminal in the Msg2, and the uplink resource allocation is for all the transmission points or beams, the receiving cell The contention resolution message Msg4 sent by all transmission points or beams simultaneously.
The apparatus according to claim 26, wherein the terminal side determining module is further configured to: when determining the transmission point or beam according to the random access response, according to when the random access response is sent, The random access response is determined by detecting a transmission point or beam-specific reference signal transmitted together.
The device according to claim 25, wherein the terminal side determining module is further configured to: obtain, by using a random access response message, a terminal that does not initiate random access, acquire information of all transmission points or beams in the cell, and detect current working a transmission point or a beam, or a terminal that fails the random access uses information of all transmission points or beams in the received cell to detect a currently operating transmission point or beam;

Further includes:

The terminal side sending module is configured to send Msg1 on the detected transmission point or beam.
The apparatus according to claim 25, wherein the terminal side determining module is further configured to transmit the random access response and the transmission point when determining that the random access response carries information of the transmission point or beam When the unique reference signal of the beam is transmitted together, the transmission point or beam is determined according to the detected unique reference signal.
The apparatus of claim 25, wherein the information of the transmission point or beam comprises one or a combination of the following information:

TRP/Beam-level reference signal information, TRP/Beam ID, TRP/Beam-level random access resource PRACH information, TRP/Beam-level preamble sequence information.
The apparatus according to claim 25, wherein the random access response is a random access response Msg2 transmitted by all or a part of transmission points or beams in the cell.
A transmission point or beam indicating device in a new generation wireless communication system, comprising:

A processor for reading a program in the memory, performing the following process:

Determining a transmission point or beam that provides signaling and/or data transmission to the terminal within the cell;

A transceiver for receiving and transmitting data under the control of a processor, performing the following processes:

In the random access process, a random access response is sent to the terminal, where the random access response carries information of the transmission point or the beam Beam.
The apparatus according to claim 33, wherein the transmission point or beam for providing signaling and/or data transmission to the terminal in the cell is the transmission point of the Msg1 sent by the receiving terminal, or the uplink beam of the received Msg1. Corresponding uplink and downlink beam pairs;

Or, it is all transmission points or beams in the cell.
The apparatus according to claim 34, wherein said random access response carries information of said transmission point or beam, and is specific to said transmission point or beam when said random access response is transmitted The reference signal is sent together, and the unique reference signal is used to enable the terminal to determine the transmission point or beam after detecting the unique reference signal.
The apparatus according to claim 35, wherein the carrying the unique reference signal refers to scrambling the random access response by using an RA-RNTI, where the RA-RNTI is a transmission point or a beam identifier that transmits Msg1 The input parameters are calculated and obtained.
The device of claim 33, further comprising:

Receiving the Msg1 sent by the terminal, where the Msg1 is sent by the terminal according to the random access resource configuration after the terminal obtains the cell-level random access resource configuration from the received system message, where the system message is adopted by the network side. Transmitted by all or part of the transmission point or beam synchronous transmission of the cell.
The device of claim 37, further comprising:

Allocating a resource for uplink transmission of a specific transmission point or beam in the Msg2, and transmitting a contention resolution message Msg4 on the transmission point or beam;

Alternatively, the terminal allocates uplink transmission resources for all transmission points or beams in the Msg2, and synchronously transmits the contention resolution message Msg4 on all or a part of the transmission points or beams in the cell.
The apparatus according to claim 33, wherein the information of the transmission point or the beam carried in the random access response comprises one or a combination of the following information:

TRP/Beam-level reference signal information, TRP/Beam ID, TRP/Beam-level random access resource PRACH information, TRP/Beam-level preamble sequence information.
The apparatus according to claim 33, wherein said random access response is all or one of cells The random access response Msg2 sent by part of the transmission point or beam synchronization.
A transmission device in a new generation wireless communication system, comprising:

A processor for reading a program in the memory, performing the following process:

Determining the transmission point or beam according to a random access response;

A transceiver for receiving and transmitting data under the control of a processor, performing the following processes:

Receiving, in a random access procedure, a random access response, the random access response carrying information of a transmission point or a beam that provides signaling and/or data transmission to the transmitting device in the cell;

TRP/Beam level transmission is performed according to the transmission point or beam.
The transmission device of claim 41, further comprising:

After acquiring the cell-level random access resource configuration from the received system message, the Msg1 is sent in the cell according to the random access resource configuration, where the system message is sent by using all or part of the transmission point or beam synchronous transmission of the cell. .
The transmission device of claim 42, further comprising:

Sending an uplink transmission on the uplink resource allocated in the Msg2, where the uplink resource allocation is for a specific transmission point or beam, and receiving the contention resolution message Msg4 according to the information of the transmission point or the beam carried in the random access response;

Alternatively, the uplink transmission is sent on the uplink resource allocated in the Msg2, and the uplink resource allocation is a contention resolution message Msg4 sent by all transmission points or beams in the receiving cell for all transmission points or beams.
The transmission device according to claim 42, wherein the determining the transmission point or beam according to the random access response is sent according to the random access response when transmitting the random access response. The transmission point or beam-specific reference signal detection is determined.
The transmission device of claim 41, further comprising:

The transmitting device that does not initiate the random access obtains information of all transmission points or beams in the cell through the random access response message, detects the currently working transmission point or beam, or uses the transmission device that fails the random access. Receiving information of all transmission points or beams in the received cell, and detecting a currently working transmission point or beam;

Send Msg1 on the detected transmission point or beam.
The transmission apparatus according to claim 41, wherein said random access response carries information of said transmission point or beam, and is a unique reference signal between said transmitted random access response and said transmission point or beam. When transmitted together, the transmission point or beam is determined based on the detected unique reference signal.
The transmission device according to claim 41, wherein the information of the transmission point or beam comprises one or a combination of the following information:

TRP/Beam-level reference signal information, TRP/Beam ID, TRP/Beam-level random access resource PRACH letter Information, TRP/Beam-level preamble sequence information.
The transmission apparatus according to claim 41, wherein the random access response is a random access response Msg2 transmitted by all or a part of transmission points or beams in the cell.