WO2022036509A1 - Method for requesting for multicast control channel signaling, terminal device and communication device - Google Patents

Abstract

The embodiments of the present application relate to a method for requesting for multicast control channel (MCCH) signaling, a terminal device and a communication device. Said method comprises: a terminal device transmitting a random access-based MCCH signaling request; and determining, according to a response message for the MCCH request received from a network device, whether the MCCH signaling request is successful. The embodiments of the present application can realize UE request-based MCCH signaling transmission, thereby saving radio resources.

Description

Method, terminal device and communication device for requesting multicast control channel signaling technical field

The present application relates to the field of communication, and more particularly, to a method, terminal device and communication device for requesting multicast control channel signaling.

Background technique

In a Long Term Evolution (LTE, Long Term Evolution) network, the Multicast Control Channel (MCCH, Multicast Control Channel) signaling is sent in a broadcast manner, that is, all UEs in a cell receive a copy of the MCCH signaling. In an NR network, due to the introduction of beam sweeping, all data and signaling transmissions are sent in a beam sweeping manner, that is, in a cell, each beam sends a copy of MCCH signaling. This transmission method causes waste of radio resources.

SUMMARY OF THE INVENTION

The embodiments of the present application provide a method, a terminal device, and a communication device for requesting multicast control channel signaling, which can realize the sending of MCCH signaling based on a UE request and save radio resources.

An embodiment of the present application provides a method for requesting multicast control channel signaling, including:

The terminal device sends a random access-based multicast control channel MCCH signaling request;

According to the response message received from the network device for the MCCH request, it is determined whether the MCCH signaling request is successful.

The embodiment of the present application also provides a method for requesting system broadcast information, including:

The terminal device sends a system broadcast information request based on random access;

Receive system broadcast information from network devices.

The embodiment of the present application also provides a method for sending multicast control channel signaling, which is applied to a network device, including:

receiving a random access-based MCCH signaling request from a terminal device;

A response message to the MCCH request is sent to the terminal device.

The embodiment of the present application also provides a method for sending system broadcast information, which is applied to a network device, including:

Receive a random access-based system broadcast information request from a terminal device;

Send system broadcast information to terminal devices.

The embodiment of the present application also provides a terminal device, including:

a first request module, configured to send a random access-based multicast control channel MCCH signaling request;

A determining module, configured to determine whether the MCCH signaling request is successful according to the response message received from the network device for the MCCH request.

The embodiment of the present application also provides a terminal device, including:

a second request module, configured to send a random access-based system broadcast information request;

The system broadcast information receiving module is used for receiving the system broadcast information from the network device.

The embodiment of the present application also provides a network device, including:

a first request receiving module, configured to receive a random access-based MCCH signaling request from a terminal device;

A response module, configured to send a response message for the MCCH request to the terminal device.

The embodiment of the present application also provides a network device, including:

a second request receiving module, configured to receive a random access-based system broadcast information request from the terminal device;

The system broadcast information sending module is used to send the system broadcast information to the terminal equipment.

An embodiment of the present application further provides a terminal device, including: a processor and a memory, where the memory is used to store a computer program, the processor is used to call and run the computer program stored in the memory, and execute any one of the above the method described.

An embodiment of the present application further provides a network device, including: a processor and a memory, where the memory is used to store a computer program, the processor is used to call and run the computer program stored in the memory, and execute any of the above method described.

An embodiment of the present application further provides a chip, including: a processor, configured to call and run a computer program from a memory, so that a device on which the chip is installed executes the method described in any one of the above.

An embodiment of the present application further provides a chip, including: a processor, configured to call and run a computer program from a memory, so that a device on which the chip is installed executes the method described in any one of the above.

Embodiments of the present application further provide a computer-readable storage medium for storing a computer program, where the computer program causes a computer to execute the method described in any of the foregoing.

Embodiments of the present application further provide a computer-readable storage medium for storing a computer program, where the computer program causes a computer to execute the method described in any of the foregoing.

Embodiments of the present application also provide a computer program product, including computer program instructions, the computer program instructions causing a computer to execute the method described in any one of the above.

Embodiments of the present application further provide a computer program product, including computer program instructions, the computer program instructions causing a computer to execute the method described in any one of the above.

The embodiments of the present application further provide a computer program, the computer program causing a computer to execute the method described in any one of the above.

The embodiments of the present application further provide a computer program, the computer program causing a computer to execute the method described in any one of the above.

In the embodiment of the present application, the terminal device sends the MCCH signaling request based on random access, and the base station sends the MCCH signaling based on the request of the UE, thereby saving radio resources.

Description of drawings

FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.

FIG. 2 is an implementation flowchart of a method 200 for requesting MCCH signaling according to an embodiment of the present application.

FIG. 3 is a schematic diagram of an MCCH signaling request method based on MSG 1 according to an embodiment of the present application.

FIG. 4 is a schematic diagram of an MSGA-based MCCH signaling request method according to an embodiment of the present application.

FIG. 5 is a schematic diagram of an MCCH signaling request method based on MSG 3 according to an embodiment of the present application.

FIG. 6 is an implementation flowchart of a method 600 for requesting system broadcast information according to an embodiment of the present application.

FIG. 7 is a schematic diagram of a UE sending an RRC system information request (RRCSystemInfomationRequest) in a system broadcast request based on MSG 3.

FIG. 8 is an implementation flowchart of a method 800 for sending MCCH signaling according to an embodiment of the present application.

FIG. 9 is an implementation flowchart of a method 900 for sending system broadcast information according to an embodiment of the present application.

FIG. 10 is a schematic structural diagram of a terminal device 1000 according to an embodiment of the present application.

FIG. 11 is a schematic structural diagram of a terminal device 1100 according to an embodiment of the present application.

FIG. 12 is a schematic structural diagram of a terminal device 1200 according to an embodiment of the present application.

FIG. 13 is a schematic structural diagram of a network device 1300 according to an embodiment of the present application.

FIG. 14 is a schematic structural diagram of a network device 1400 according to an embodiment of the present application.

FIG. 15 is a schematic structural diagram of a network device 1500 according to an embodiment of the present application.

FIG. 16 is a schematic structural diagram of a communication device 1600 according to an embodiment of the present application.

FIG. 17 is a schematic structural diagram of a chip 1700 according to an embodiment of the present application.

detailed description

The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.

It should be noted that the terms "first" and "second" in the description and claims of the embodiments of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. order. The objects described by "first" and "second" described at the same time may be the same or different.

The technical solutions of the embodiments of the present application can be applied to various communication systems, for example: a Global System of Mobile communication (GSM) system, a Code Division Multiple Access (CDMA) system, a wideband Code Division Multiple Access (CDMA) system (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (General Packet Radio Service, GPRS), Long Term Evolution (Long Term Evolution, LTE) system, Advanced Long Term Evolution (Advanced long term evolution, LTE-A) system , New Radio (NR) system, evolution system of NR system, LTE (LTE-based access to unlicensed spectrum, LTE-U) system on unlicensed spectrum, NR (NR-based access to unlicensed spectrum) unlicensed spectrum (NR-U) system, Universal Mobile Telecommunication System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (WiFi), 5th-Generation , 5G) system or other communication systems, etc.

Generally speaking, traditional communication systems support a limited number of connections and are easy to implement. However, with the development of communication technology, mobile communication systems will not only support traditional communication, but also support, for example, Device to Device (Device to Device, D2D) communication, machine to machine (Machine to Machine, M2M) communication, machine type communication (Machine Type Communication, MTC), and vehicle to vehicle (Vehicle to Vehicle, V2V) communication, etc., the embodiments of the present application can also be applied to these communications system.

Optionally, the communication system in this embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) distribution. web scene.

This embodiment of the present application does not limit the applied spectrum. For example, the embodiments of the present application may be applied to licensed spectrum, and may also be applied to unlicensed spectrum.

The embodiments of this application describe various embodiments in conjunction with network equipment and terminal equipment, where: terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc. The terminal device can be a station (STAION, ST) in the WLAN, can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, and next-generation communication systems, such as terminal devices in NR networks or Terminal equipment in the future evolved Public Land Mobile Network (Public Land Mobile Network, PLMN) network, etc.

As an example and not a limitation, in this embodiment of the present application, the terminal device may also be a wearable device. Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes. A wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction. In a broad sense, wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones. Use, such as all kinds of smart bracelets, smart jewelry, etc. for physical sign monitoring.

A network device can be a device used to communicate with a mobile device. The network device can be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA, or a WCDMA A base station (NodeB, NB), it can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, wearable device, and network equipment (gNB) in NR networks Or network equipment in the PLMN network that evolves in the future.

In this embodiment of the present application, a network device provides services for a cell, and a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device (for example, a frequency domain resource). The cell corresponding to the base station), the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell), where the small cell can include: Metro cell, Micro cell, Pico cell cell), Femto cell, etc. These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-speed data transmission services.

FIG. 1 exemplarily shows one network device 110 and two terminal devices 120. Optionally, the wireless communication system 100 may include a plurality of network devices 110, and the coverage of each network device 110 may include other numbers The terminal device 120 is not limited in this embodiment of the present application. The embodiments of the present application may be applied to one terminal device 120 and one network device 110 , and may also be applied to one terminal device 120 and another terminal device 120 .

Optionally, the wireless communication system 100 may further include other network entities such as a mobility management entity (Mobility Management Entity, MME), an access and mobility management function (Access and Mobility Management Function, AMF). This is not limited.

It should be understood that the terms "system" and "network" are often used interchangeably herein. The term "and/or" in this article is only an association relationship to describe the associated objects, indicating that there can be three kinds of relationships, for example, A and/or B, it can mean that A exists alone, A and B exist at the same time, and A and B exist independently B these three cases. In addition, the character "/" in this document generally indicates that the related objects are an "or" relationship.

The embodiment of this application proposes a method for requesting Multicast Control Channel (MCCH) signaling, and MCCH signaling may also be called Multimedia Broadcast Multicast Service (MBS, Multimedia Broadcast multicast service) signaling. FIG. 2 is an implementation flowchart of a method 200 for requesting MCCH signaling according to an embodiment of the present application. The method can optionally be applied to the system shown in FIG. 1 , such as being applied to a terminal device in the system shown in FIG. 1 . , but not limited to this. The method includes at least some of the following.

S210: The terminal device sends a random access-based MCCH signaling request;

S220: Determine whether the MCCH signaling request is successful according to the response message received from the network device for the MCCH request.

Optionally, after the above step S220, the method further includes: receiving MCCH signaling from the network device.

In the above step S210, the terminal device can send the MCCH signaling request based on random access in at least the following three ways:

Manner 1: Send an MCCH signaling request based on random access message 1 (MSG 1).

Mode 2: Send an MCCH signaling request based on random access message A (MSG A).

Mode 2: Send an MCCH signaling request based on random access message 3 (MSG 2).

Among them, the first mode and the third mode are applicable to the 4-step random access (4step-RACH) mode, and the second mode is applicable to the 2-step random access (2-step RACH) mode. The above three methods are described below with reference to FIG. 3 , FIG. 4 and FIG. 5 respectively.

Example 1:

3 is a schematic diagram of an MCCH signaling request method based on MSG 1 according to an embodiment of the present application, including the following steps:

Step S310: Configure the current MCCH signaling sending state in the system broadcast, such as sending or not sending. Or configure whether the MCCH signaling is sent based on a UE request in the system broadcast.

Correspondingly, a terminal equipment (UE) receives a system broadcast message, where the system broadcast message includes at least one of the following:

The current sending status of MCCH signaling;

Whether the MCCH signaling is sent based on the terminal equipment request.

Step 310 is an optional step.

Step S320: System broadcast or RRC signaling configures a random access channel opportunity (RO, Random Access Channel Occasion) and/or random access preamble (preamble) resource for the UE to request MCCH signaling. If the resource is configured, the UE uses MSG 1 based MCCH signaling request, otherwise the UE uses MSG 3 based MCCH signaling request.

Correspondingly, the UE receives a system broadcast message or RRC signaling; the system broadcast message or RRC signaling carries an RO for the terminal equipment to request MCCH signaling, and/or a preamble for the terminal equipment to request MCCH signaling.

Step S330: The UE sends the MSG 1 of the random access process based on the RO or preamble configured above.

Step S340: the base station (eg gNB) sends MSG 2. Specifically, the base station sends a random access response (RAR, Random Access Response) or a physical downlink control channel (PDCCH, Physical Downlink Control Channel) scrambled by a random access wireless network temporary identifier (RA-RNTI, Radio Network Tempory Identity). .

Step S350: If the UE sends the MSG 1 of the random access process based on the configured preamble in the above step S330, that is, the resource for sending the MCCH signaling request is the preamble; then in this case, if the random access process containing the preamble is received Accessing the RAR of the preamble identifier (RAP ID, Random Access Preamble ID), the UE determines that the MCCH signaling request is successful.

If the UE sends the MSG 1 of the random access process based on the configured RO in the above step S330, that is, the resource for sending the MCCH signaling request is RO; then in this case, if the RA-RNTI scrambling corresponding to the RO is received PDCCH, the UE determines that the MCCH signaling request is successful.

Step S360: the base station sends the MCCH signaling, and the UE receives the MCCH signaling.

Embodiment 2:

4 is a schematic diagram of an MSGA-based MCCH signaling request method according to an embodiment of the present application, including the following steps:

Step S410: Configure the current MCCH signaling sending status in the system broadcast, such as sending or not sending. Or configure whether the MCCH signaling is sent based on a UE request in the system broadcast.

Correspondingly, a terminal equipment (UE) receives a system broadcast message, where the system broadcast message includes at least one of the following:

The current sending status of MCCH signaling;

Whether the MCCH signaling is sent based on the terminal equipment request.

Step 410 is an optional step.

Step 420: The UE sends MSG A, which may include at least one of the following:

MCCH signaling request indication;

The name or index of the MCCH signaling request;

Recommended Synchronization Signal Block (SSB, Synchronization Signal Block) index list.

Among them, the recommended SSB index list has at least the following forms:

First, when a synchronization signal (SS, Synchronization Signal) burst set contains at most 4 SSBs or 8 SSBs, the length of the recommended SSB index list is 8 bits, and each bit corresponds to an SSB index, which is used to indicate Whether to send MCCH signaling on the beam corresponding to the SSB index. For example, if the corresponding bit is set to 1, the SSB index requests to send MCCH signaling.

Second, when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, of which the first 4 bits correspond to four consecutive SSB indexes larger than the first SSB respectively, and the last 4 The bits correspond to four consecutive SSB indices smaller than the first SSB respectively; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit MCCH signaling on the beam corresponding to the corresponding SSB index. For example, if the corresponding bit is set to 1, the SSB index requests to send MCCH signaling.

Third, when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, of which the first 4 bits correspond to four consecutive SSB indexes smaller than the first SSB, and the last 4 The bits correspond to four consecutive SSB indices larger than the first SSB respectively; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit MCCH signaling on the beam corresponding to the corresponding SSB index. For example, if the corresponding bit is set to 1, the SSB index requests to send MCCH signaling.

The fourth type: when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, of which the first 4 bits correspond to four consecutive SSB indexes that are larger than the first SSB, and are actually sent. The last 4 bits respectively correspond to four consecutive SSB indices that are actually sent that are smaller than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit MCCH signaling on the beam corresponding to the corresponding SSB index. For example, if the corresponding bit is set to 1, the SSB index requests to send MCCH signaling.

The fifth type: when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, of which the first 4 bits correspond to four consecutive SSB indexes that are smaller than the first SSB and actually sent, respectively. The last 4 bits respectively correspond to four consecutive SSB indices that are larger than the first SSB and actually sent; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit MCCH signaling on the beam corresponding to the corresponding SSB index. For example, if the corresponding bit is set to 1, the SSB index requests to send MCCH signaling.

Step S430: The network side sends MSGB.

Step S440: If the UE receives the MSGB, the UE determines that the MCCH signaling request is successful.

Step S450: The base station sends the MCCH signaling, and the UE receives the MCCH signaling.

Optionally, the base station may decide on which beams to send the MCCH signaling according to the SSB index list recommended by the UE in step S420. E.g:

If the SSB index list is provided in MSG A, the network side can send MCCH signaling on the beam corresponding to the SSB index list.

Alternatively, if the SSB index list is not provided in the MSGA, the network side may send MCCH signaling on the beam corresponding to the SSB associated with the preamble sent by the UE and/or the RO.

Alternatively, the network side can send MCCH signaling on all beams of the cell.

Embodiment three:

5 is a schematic diagram of an MCCH signaling request method based on MSG 3 according to an embodiment of the present application, including the following steps:

Step S510: Configure the current MCCH signaling sending status in the system broadcast, such as sending or not sending. Or configure whether the MCCH signaling is sent based on a UE request in the system broadcast.

Correspondingly, a terminal equipment (UE) receives a system broadcast message, where the system broadcast message includes at least one of the following:

The current sending status of MCCH signaling;

Whether the MCCH signaling is sent based on the terminal equipment request.

Step 510 is an optional step.

Step S520: The UE sends MSG 1, that is, a preamble.

Step S530: The network side sends MSG 2, that is, RAR. The UE receives MSG2.

Step S540: UE sends MSG 3, which may include at least one of the following:

MCCH signaling request indication;

The name or index of the MCCH signaling request;

List of recommended sync block indices.

The form of the recommended SSB index list is the same as the form of the SSB index list in Embodiment 2, and details are not described herein again.

The MSG 3 is sent on a common control channel (CCCH, common control channel) as a radio resource control (RRC, Radio Resource Control) message for requesting MCCH signaling.

Step S550: the network side sends MSG 4, and the UE receives MSG 4. If it is determined according to MSG 4 that the conflict resolution is successful, the UE determines that the MCCH signaling request is successful.

Step S560: the base station sends the MCCH signaling, and the UE receives the MCCH signaling.

Optionally, the base station may decide on which beams to send the MCCH signaling according to the SSB index list recommended by the UE in step S540. E.g:

If the SSB index list is provided in MSG 3, the network side can send MCCH signaling on the beam corresponding to the SSB index list.

Alternatively, if the SSB index list is not provided in MSG 3, the network side may send MCCH signaling on the beam corresponding to the SSB associated with the preamble sent by the UE and/or the RO.

Alternatively, the network side can send MCCH signaling on all beams of the cell.

It can be seen from the above embodiments that the embodiments of the present application propose the sending of MCCH signaling based on a UE request, and the base station can send the MCCH signaling on a designated beam to achieve the purpose of saving radio resources. Specifically, the embodiment of the present application can implement the MCCH signaling request based on MSG 1, MSGA A, and MSG 3 (2step RACH or 4step RACH) of the random access process. Moreover, when the UE sends the MCCH signaling request, the beam selection method and the indication method of the MCCH signaling may be included at the same time; the base station sends the MCCH signaling based on the beam requested by the UE.

An embodiment of the present application also proposes a method for requesting system broadcast information. FIG. 6 is an implementation flowchart of a method 600 for requesting system broadcast information according to an embodiment of the present application, including the following steps:

S610: The terminal device sends a random access-based system broadcast information request;

S620: Receive system broadcast information from a network device.

Optionally, the terminal device sends an RRC system information request of MSG 3 based on the random access procedure, where the RRC system information request includes a recommended SSB index list.

FIG. 7 is a schematic diagram of a UE sending an RRC system information request (RRCSystemInfomationRequest) in a system broadcast request based on MSG 3. In this embodiment of the present application, a recommended SSB index list may be added to the RRCSystemInfomationRequest as shown in FIG. 7 .

Among them, the recommended SSB index list has at least the following forms:

First, when a synchronization signal (SS, Synchronization Signal) burst set contains at most 4 SSBs or 8 SSBs, the recommended SSB index list length is 8 bits, and each bit corresponds to an SSB index, which is used to indicate Whether to send system broadcast information on the beam corresponding to the SSB index. For example, if the corresponding bit is set to 1, the SSB index requests to send system broadcast information.

Second, when an SS burst set contains a maximum of 64 SSBs, the recommended SSB index list length is 8 bits, of which the first 4 bits correspond to four consecutive SSB indexes larger than the first SSB respectively, and the last 4 The bits correspond to four consecutive SSB indices smaller than the first SSB respectively; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit the system broadcast information on the beam corresponding to the corresponding SSB index. For example, if the corresponding bit is set to 1, the SSB index requests to send system broadcast information.

Third, when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, of which the first 4 bits correspond to four consecutive SSB indexes smaller than the first SSB, and the last 4 The bits correspond to four consecutive SSB indices larger than the first SSB respectively; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit the system broadcast information on the beam corresponding to the corresponding SSB index. For example, if the corresponding bit is set to 1, the SSB index requests to send system broadcast information.

The fourth type: when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, of which the first 4 bits correspond to four consecutive SSB indexes that are larger than the first SSB and actually sent, respectively. The last 4 bits respectively correspond to four consecutive SSB indices that are actually sent that are smaller than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit the system broadcast information on the beam corresponding to the corresponding SSB index. For example, if the corresponding bit is set to 1, the SSB index requests to send system broadcast information.

The fifth type: when an SS burst set contains a maximum of 64 SSBs, the recommended SSB index list length is 8 bits, of which the first 4 bits correspond to four consecutive SSB indexes that are smaller than the first SSB and actually sent, respectively. The last 4 bits respectively correspond to four consecutive SSB indices that are larger than the first SSB and actually sent; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit the system broadcast information on the beam corresponding to the corresponding SSB index. For example, if the corresponding bit is set to 1, the SSB index requests to send system broadcast information.

Based on the request of the terminal device, the base station can send the system broadcast information. Optionally, the base station may decide on which beams to send the system broadcast information according to the SSB index list recommended by the UE. E.g:

If the SSB index list is provided in the RRC system information request, the network side can send system broadcast information on the beam corresponding to the SSB index list.

Alternatively, if the SSB index list is not provided in the RRC system information request, the network side may send the system broadcast information on the beam corresponding to the SSB associated with the preamble sent by the UE and/or the RO.

It can be seen from the above-mentioned embodiments that, when the system broadcast information is sent in the embodiments of the present application, it can be sent in a manner based on a UE request. The UE can request system broadcast information based on the RRC system information request message of MSG 3, and the base station can send the system broadcast information based on the beam requested by the UE, so as to achieve the purpose of saving radio resources.

The embodiment of the present application also proposes a method for sending MCCH signaling, which can be applied to a network device. FIG. 8 is an implementation flowchart of a method 800 for sending MCCH signaling according to an embodiment of the present application, including:

S810: Receive a random access-based MCCH signaling request from a terminal device;

S820: Send a response message for the MCCH request to the terminal device.

Optionally, the above method further includes: sending MCCH signaling to the terminal device.

Optionally, before the above step S810, it further includes: sending a system broadcast message or RRC signaling; the system broadcast message or RRC signaling carries the RO used for the terminal equipment to request the MCCH signaling, and/or for the terminal equipment to request the MCCH Signaling random access preamble;

The foregoing step S810 includes: receiving, from the terminal device, message 1 of the random access procedure sent based on the RO or the random access preamble.

In some embodiments, the above step S820 includes: sending the RAR including the RAP ID of the random access preamble to the terminal device.

Or, in some embodiments, the above step S820 includes: sending the PDCCH scrambled by using the RA-RNTI corresponding to the RO to the terminal device.

Optionally, the above step S810 includes: receiving a message A of the random access procedure from the terminal device;

The message A contains at least one of the following:

MCCH signaling request indication;

The name or index of the MCCH signaling request;

List of recommended SSB indexes.

Optionally, the above step S810 includes: receiving message 3 of the random access procedure from the terminal device;

This message 3 contains at least one of the following:

MCCH signaling request indication;

The name or index of the MCCH signaling request;

List of recommended SSB indexes.

Optionally, the network device receives message 3 of the random access procedure from the terminal device on the CCCH.

Optionally, when an SS burst set contains at most 4 SSBs or 8 SSBs, the length of the above-mentioned recommended SSB index list is 8 bits, and each bit corresponds to an SSB index, which is used to indicate whether the SSB index corresponds to the SSB index. Send MCCH signaling on the beam.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the length of the above-mentioned recommended SSB index list is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indexes larger than the first SSB respectively, and the last 4 The bits correspond to four consecutive SSB indices smaller than the first SSB respectively; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit MCCH signaling on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the length of the above-mentioned recommended SSB index list is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indexes smaller than the first SSB respectively, and the last 4 The bits correspond to four consecutive SSB indices larger than the first SSB respectively; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit MCCH signaling on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the length of the above-mentioned recommended SSB index list is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indices that are larger than the first SSB and actually sent, respectively, The last 4 bits respectively correspond to four consecutive SSB indices that are actually sent that are smaller than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit MCCH signaling on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the length of the above-mentioned recommended SSB index list is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indexes that are smaller than the first SSB and actually sent, respectively, The last 4 bits respectively correspond to four consecutive SSB indices that are larger than the first SSB and actually sent; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit MCCH signaling on the beam corresponding to the corresponding SSB index.

Optionally, the above-mentioned sending of MCCH signaling to the terminal device includes:

If the network device receives the recommended SSB index list, it sends MCCH signaling on the beam corresponding to the recommended SSB index list.

Alternatively, the above-mentioned sending of MCCH signaling to the terminal device includes:

If the network device does not receive the recommended SSB index list, the MCCH signaling is sent on the beam corresponding to the random access preamble sent by the terminal device and/or the SSB associated with the RO.

Alternatively, the above-mentioned sending of MCCH signaling to the terminal device includes:

The MCCH signaling is sent on all beams of the cell.

Optionally, the above method further includes: sending a system broadcast message, where the system broadcast message includes at least one of the following:

The current sending status of MCCH signaling;

Whether the MCCH signaling is sent based on the terminal equipment request.

The embodiment of the present application also proposes a method for sending system broadcast information, which can be applied to a network device. FIG. 9 is an implementation flowchart of a method 900 for sending system broadcast information according to an embodiment of the present application, including:

S910: Receive a random access-based system broadcast information request from a terminal device;

S920: Send system broadcast information to the terminal device.

Optionally, the above-mentioned receiving a random access-based system broadcast information request from a terminal device includes:

An RRC system information request based on message 3 of the random access procedure is received from the terminal device, the RRC system information request containing a list of recommended SSB indices.

Optionally, when an SS burst set contains at most 4 SSBs or 8 SSBs, the length of the above-mentioned recommended SSB index list is 8 bits, and each bit corresponds to an SSB index, which is used to indicate whether the SSB index corresponds to the SSB index. The system broadcast information is sent on the beam.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the length of the above-mentioned recommended SSB index list is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indexes larger than the first SSB respectively, and the last 4 The bits correspond to four consecutive SSB indices smaller than the first SSB respectively; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit the system broadcast information on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indexes smaller than the first SSB respectively, and the last 4 The bits correspond to four consecutive SSB indices larger than the first SSB respectively; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit the system broadcast information on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the length of the above-mentioned recommended SSB index list is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indices that are larger than the first SSB and actually sent, respectively, The last 4 bits respectively correspond to four consecutive SSB indices that are actually sent that are smaller than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit the system broadcast information on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the length of the above-mentioned recommended SSB index list is 8 bits, and the first 4 bits respectively correspond to four consecutive SSB indexes that are smaller than the first SSB and actually sent, The last 4 bits respectively correspond to four consecutive SSB indices actually sent that are larger than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to transmit the system broadcast information on the beam corresponding to the corresponding SSB index.

Optionally, the above-mentioned sending of system broadcast information to the terminal device includes:

If the recommended SSB index list is provided in the RRC system information request, the system broadcast information is sent on the beam corresponding to the recommended SSB index list.

Or, optionally, the above-mentioned sending of system broadcast information to the terminal device includes:

If the recommended SSB index list is not provided in the RRC system information request, the system broadcast information is sent on the beam corresponding to the random access preamble sent by the terminal device and/or the SSB associated with the RO.

An embodiment of the present application further proposes a terminal device. FIG. 10 is a schematic structural diagram of a terminal device 1000 according to an embodiment of the present application, including:

a first requesting module 1010, configured to send a random access-based multicast control channel MCCH signaling request;

The determining module 1020 is configured to determine whether the MCCH signaling request is successful according to the response message received from the network device for the MCCH request.

Optionally, as shown in FIG. 11 , the above-mentioned terminal device further includes:

The signaling receiving module 1130 is configured to receive MCCH signaling from the network device.

A first receiving module 1140, configured to receive a system broadcast message or RRC signaling; the system broadcast message or RRC signaling carries a random access opportunity RO for the terminal equipment to request MCCH signaling, and/or for the terminal equipment Request the random access preamble of MCCH signaling;

Optionally, the foregoing first request module 1010 is configured to send message 1 of the random access procedure based on the RO or the random access preamble.

Optionally, the above determining module 1020 is configured to, if a random access response RAR including the random access preamble identifier RAP ID of the random access preamble is received, determine that the MCCH signaling request is successful.

Optionally, the above determining module 1020 is configured to determine that the MCCH signaling request is successful if the physical downlink control channel PDCCH scrambled by using the random access wireless network temporary identifier RA-RNTI corresponding to the RO is received.

Optionally, the above-mentioned first request module 1010 is configured to send the message A of the random access process;

The message A includes at least one of the following:

MCCH signaling request indication;

The name or index of the MCCH signaling request;

List of recommended sync block SSB indices.

Optionally, the above determining module 1020 is configured to, if the message B of the random access procedure is received, determine that the MCCH signaling request is successful.

Optionally, the above-mentioned first request module 1010 is configured to send message 3 of the random access process;

The message 3 includes at least one of the following:

MCCH signaling request indication;

The name or index of the MCCH signaling request;

List of recommended SSB indexes.

Optionally, the above determining module 1020 is used to:

Receive message 4 of the random access procedure;

If it is determined according to the message 4 that the conflict resolution is successful, it is determined that the MCCH signaling request is successful.

Optionally, the above-mentioned first request module 1010 sends the message 3 on the common control channel CCCH.

Optionally, when a synchronization signal SS burst set contains at most 4 SSBs or 8 SSBs, the length of the recommended SSB index list is 8 bits, and each bit corresponds to an SSB index, which is used to indicate whether the The MCCH signaling is sent on the beam corresponding to the SSB index.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indexes larger than the first SSB respectively, and the last 4 bits respectively correspond to four consecutive SSB indices smaller than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indexes smaller than the first SSB respectively, and the last 4 bits respectively correspond to four consecutive SSB indices larger than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the recommended SSB index list length is 8 bits, and the first 4 bits correspond to four consecutive SSB indexes that are larger than the first SSB and actually sent respectively. , the last 4 bits correspond to four consecutive SSB indices that are actually sent in a row smaller than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indices that are actually sent in a row smaller than the first SSB. , the last 4 bits respectively correspond to four consecutive SSB indices that are larger than the first SSB actually sent; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.

Optionally, the above-mentioned terminal device further includes:

The second receiving module 1150 is configured to receive a system broadcast message, where the system broadcast message includes at least one of the following:

The current sending status of MCCH signaling;

Whether the MCCH signaling is sent based on the terminal equipment request.

It should be understood that the above and other operations and/or functions of the modules in the terminal device according to the embodiments of the present application are respectively to implement the corresponding process of the terminal device in the method 200 in FIG. 2 , and are not repeated here for brevity.

An embodiment of the present application further proposes a terminal device. FIG. 12 is a schematic structural diagram of a terminal device 1200 according to an embodiment of the present application, including:

a second request module 1210, configured to send a random access-based system broadcast information request;

The system broadcast information receiving module 1220 is configured to receive system broadcast information from the network device.

Optionally, the above-mentioned second request module 1210 is configured to send an RRC system information request based on message 3 of the random access procedure, where the RRC system information request includes a recommended SSB index list.

Optionally, when an SS burst set contains at most 4 SSBs or 8 SSBs, the length of the recommended SSB index list is 8 bits, and each bit corresponds to an SSB index, which is used to indicate whether the SSB index is in the SSB index. The system broadcast information is sent on the corresponding beam.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indexes larger than the first SSB respectively, and the last 4 bits respectively correspond to four consecutive SSB indices smaller than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indexes smaller than the first SSB respectively, and the last 4 bits respectively correspond to four consecutive SSB indices larger than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the recommended SSB index list length is 8 bits, and the first 4 bits correspond to four consecutive SSB indexes that are larger than the first SSB and actually sent respectively. , the last 4 bits correspond to four consecutive SSB indices that are actually sent in a row smaller than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indices that are actually sent in a row smaller than the first SSB. , the last 4 bits respectively correspond to four consecutive SSB indices that are larger than the first SSB actually sent; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.

It should be understood that the above and other operations and/or functions of the modules in the terminal device according to the embodiments of the present application are respectively to implement the corresponding process of the terminal device in the method 600 in FIG. 6 , and are not repeated here for brevity.

An embodiment of the present application further proposes a network device. FIG. 13 is a schematic structural diagram of a network device 1300 according to an embodiment of the present application, including:

a first request receiving module 1310, configured to receive a random access-based MCCH signaling request from a terminal device;

A response module 1320, configured to send a response message for the MCCH request to the terminal device.

Optionally, as shown in FIG. 14 , the above-mentioned network device further includes:

The signaling sending module 1430 is configured to send MCCH signaling to the terminal equipment.

Optionally, as shown in FIG. 14 , the above-mentioned network device further includes:

A first sending module 1440, configured to send a system broadcast message or RRC signaling; the system broadcast message or RRC signaling carries RO used for terminal equipment to request MCCH signaling, and/or for terminal equipment to request MCCH signaling The random access preamble of ;

The first request receiving module 1310 is configured to receive, from the terminal device, message 1 of the random access procedure sent based on the RO or the random access preamble.

Optionally, the above-mentioned response module 1320 is configured to send the RAR including the RAP ID of the random access preamble to the terminal device.

Optionally, the above-mentioned response module 1320 is configured to send the PDCCH scrambled by using the RA-RNTI corresponding to the RO to the terminal device.

Optionally, the above-mentioned first request receiving module 1310 is configured to receive the message A of the random access procedure from the terminal device;

The message A includes at least one of the following:

MCCH signaling request indication;

The name or index of the MCCH signaling request;

List of recommended SSB indexes.

Optionally, the above-mentioned first request receiving module 1310 is configured to receive message 3 of the random access procedure from the terminal device;

The message 3 includes at least one of the following:

MCCH signaling request indication;

The name or index of the MCCH signaling request;

List of recommended SSB indexes.

Optionally, the above-mentioned first request receiving module 1310 receives message 3 of the random access procedure from the terminal device on the CCCH.

Optionally, when an SS burst set contains at most 4 SSBs or 8 SSBs, the length of the recommended SSB index list is 8 bits, and each bit corresponds to an SSB index, which is used to indicate whether the SSB index is in the SSB index. The MCCH signaling is sent on the corresponding beam.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indexes larger than the first SSB respectively, and the last 4 bits respectively correspond to four consecutive SSB indices smaller than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indexes smaller than the first SSB respectively, and the last 4 bits respectively correspond to four consecutive SSB indices larger than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the recommended SSB index list length is 8 bits, and the first 4 bits correspond to four consecutive SSB indexes that are larger than the first SSB and actually sent respectively. , the last 4 bits correspond to four consecutive SSB indices that are actually sent in a row smaller than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indices that are actually sent in a row smaller than the first SSB. , the last 4 bits respectively correspond to four consecutive SSB indices that are larger than the first SSB actually sent; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.

Optionally, the above-mentioned signaling sending module 1430 is used for:

If the network device receives the recommended SSB index list, it sends MCCH signaling on the beam corresponding to the recommended SSB index list.

Optionally, the above-mentioned signaling sending module 1430 is used for:

If the network device does not receive the recommended SSB index list, the MCCH signaling is sent on the beam corresponding to the random access preamble sent by the terminal device and/or the SSB associated with the RO.

Optionally, the above-mentioned signaling sending module 1430 is used for:

The MCCH signaling is sent on all beams of the cell.

Optionally, the above-mentioned network device further includes:

The second sending module 1450 is configured to send a system broadcast message, where the system broadcast message includes at least one of the following:

The current sending status of MCCH signaling;

Whether the MCCH signaling is sent based on the terminal equipment request.

It should be understood that the above and other operations and/or functions of the modules in the network device according to the embodiments of the present application are respectively to implement the corresponding flow of the network device in the method 800 in FIG. 8 , and are not repeated here for brevity.

An embodiment of the present application further proposes a network device. FIG. 15 is a schematic structural diagram of a network device 1500 according to an embodiment of the present application, including:

A second request receiving module 1510, configured to receive a random access-based system broadcast information request from a terminal device;

The system broadcast information sending module 1520 is configured to send the system broadcast information to the terminal device.

Optionally, the above-mentioned second request receiving module 1510 is configured to receive an RRC system information request based on message 3 of the random access procedure from the terminal device, where the RRC system information request includes a recommended SSB index list.

Optionally, when an SS burst set contains at most 4 SSBs or 8 SSBs, the length of the recommended SSB index list is 8 bits, and each bit corresponds to an SSB index, which is used to indicate whether the SSB index is in the SSB index. The system broadcast information is sent on the corresponding beam.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indexes larger than the first SSB respectively, and the last 4 bits respectively correspond to four consecutive SSB indices smaller than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indexes smaller than the first SSB respectively, and the last 4 bits respectively correspond to four consecutive SSB indices larger than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains a maximum of 64 SSBs, the recommended SSB index list length is 8 bits, and the first 4 bits correspond to four consecutive SSB indexes that are larger than the first SSB and actually sent respectively. , the last 4 bits correspond to four consecutive SSB indices that are actually sent in a row smaller than the first SSB; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.

Optionally, when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSB indices that are actually sent in a row smaller than the first SSB. , the last 4 bits respectively correspond to four consecutive SSB indices that are larger than the first SSB actually sent; wherein,

The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.

Optionally, the above-mentioned system broadcast information sending module 1520 is used for:

If a recommended SSB index list is provided in the RRC system information request, the system broadcast information is sent on a beam corresponding to the recommended SSB index list.

Optionally, the above-mentioned system broadcast information sending module 1520 is used for:

If the recommended SSB index list is not provided in the RRC system information request, the system broadcast information is sent on the beam corresponding to the random access preamble sent by the terminal device and/or the SSB associated with the RO.

It should be understood that the above and other operations and/or functions of the modules in the network device according to the embodiments of the present application are respectively to implement the corresponding flow of the network device in the method 900 in FIG. 9 , and are not repeated here for brevity.

FIG. 16 is a schematic structural diagram of a communication device 1600 according to an embodiment of the present application. The communication device 1600 shown in FIG. 16 includes a processor 1610, and the processor 1610 can call and run a computer program from a memory to implement the method in the embodiment of the present application.

Optionally, as shown in FIG. 16 , the communication device 1600 may further include a memory 1620 . The processor 1610 may call and run a computer program from the memory 1620 to implement the methods in the embodiments of the present application.

The memory 1620 may be a separate device independent of the processor 1610, or may be integrated in the processor 1610.

Optionally, as shown in FIG. 16 , the communication device 1600 may further include a transceiver 1630, and the processor 1610 may control the transceiver 1630 to communicate with other devices, specifically, may send information or data to other devices, or receive other devices Information or data sent by a device.

Among them, the transceiver 1630 may include a transmitter and a receiver. The transceiver 1630 may further include antennas, and the number of the antennas may be one or more.

Optionally, the communication device 1600 may be a terminal device of this embodiment of the present application, and the communication device 1600 may implement the corresponding processes implemented by the terminal device in each method of this embodiment of the present application, which is not repeated here for brevity.

Optionally, the communication device 1600 may be the network device of this embodiment of the present application, and the communication device 1600 may implement the corresponding processes implemented by the network device in each method of the embodiment of the present application, which is not repeated here for brevity.

FIG. 17 is a schematic structural diagram of a chip 1700 according to an embodiment of the present application. The chip 1700 shown in FIG. 17 includes a processor 1710, and the processor 1710 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.

Optionally, as shown in FIG. 17 , the chip 1700 may further include a memory 1720 . The processor 1710 may call and run a computer program from the memory 1720 to implement the methods in the embodiments of the present application.

The memory 1720 may be a separate device independent of the processor 1710, or may be integrated in the processor 1710.

Optionally, the chip 1700 may further include an input interface 1730 . The processor 1710 can control the input interface 1730 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.

Optionally, the chip 1700 may further include an output interface 1740 . The processor 1710 may control the output interface 1740 to communicate with other devices or chips, and specifically, may output information or data to other devices or chips.

Optionally, the chip can be applied to the terminal device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application, which is not repeated here for brevity.

Optionally, the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the network device in each method of the embodiment of the present application, which is not repeated here for brevity.

It should be understood that the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.

The above-mentioned processor may be a general-purpose processor, a digital signal processor (DSP), an off-the-shelf programmable gate array (field programmable gate array, FPGA), an application specific integrated circuit (ASIC) or Other programmable logic devices, transistor logic devices, discrete hardware components, etc. The general-purpose processor mentioned above may be a microprocessor or any conventional processor or the like.

The memory mentioned above may be either volatile memory or non-volatile memory, or may include both volatile and non-volatile memory. The non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically programmable Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory. Volatile memory may be random access memory (RAM).

It should be understood that the above-mentioned memory is an example but not a limitative description, for example, the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, the memory in the embodiments of the present application is intended to include but not limited to these and any other suitable types of memory.

In the above-mentioned embodiments, it may be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented in software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present application are generated. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device. The computer instructions may be stored on or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions may be transmitted over a wire from a website site, computer, server or data center (eg coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (eg infrared, wireless, microwave, etc.) means to another website site, computer, server or data center. The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that includes an integration of one or more available media. The available media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, DVD), or semiconductor media (eg, Solid State Disk (SSD)), and the like.

It should be understood that, in various embodiments of the present application, the size of the sequence numbers of the above-mentioned processes does not mean the order of execution, and the execution order of each process should be determined by its functions and internal logic, and should not be dealt with in the embodiments of the present application. implementation constitutes any limitation.

Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described systems, devices and units may refer to the corresponding processes in the foregoing method embodiments, which will not be repeated here.

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art who is familiar with the technical scope disclosed in the present application can easily think of changes or substitutions. Covered within the scope of protection of this application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (112)

1. A method of requesting multicast control channel signaling, comprising:

   The terminal device sends a random access-based multicast control channel MCCH signaling request;

   Whether the MCCH signaling request is successful is determined according to the response message received from the network device for the MCCH request.
2. The method of claim 1, further comprising receiving MCCH signaling from a network device.
3. The method according to claim 1 or 2, before the sending, further comprising: receiving a system broadcast message or RRC signaling; the system broadcast message or RRC signaling carries random access for terminal equipment to request MCCH signaling Opportunity RO, and/or random access preamble for terminal equipment to request MCCH signaling.
4. The method according to claim 3, wherein the terminal device sends a random access-based MCCH signaling request to the network device, comprising: the terminal device sends a random access process message based on the RO or the random access preamble 1.
5. The method according to claim 4, wherein determining whether the MCCH signaling request is successful according to a response message received from the network device for the MCCH request, comprising:

   If a random access response RAR including the random access preamble identifier RAP ID of the random access preamble is received, it is determined that the MCCH signaling request is successful.
6. The method according to claim 4, determining whether the MCCH signaling request is successful according to the response message received from the network device for the MCCH request, comprising:

   If the physical downlink control channel PDCCH scrambled by using the random access wireless network temporary identifier RA-RNTI corresponding to the RO is received, it is determined that the MCCH signaling request is successful.
7. The method according to claim 1 or 2, wherein the terminal device sends a random access-based MCCH signaling request to the network device, comprising: the terminal device sending a message A of the random access process;

   The message A includes at least one of the following:

   MCCH signaling request indication;

   The name or index of the MCCH signaling request;

   List of recommended sync block SSB indices.
8. The method according to claim 7, wherein determining whether the MCCH signaling request is successful according to a response message received from the network device for the MCCH request, comprising:

   If the message B of the random access procedure is received, it is determined that the MCCH signaling request is successful.
9. The method according to claim 1 or 2, wherein the terminal device sends a random access-based MCCH signaling request to the network device, comprising: the terminal device sending message 3 of the random access process;

   The message 3 includes at least one of the following:

   MCCH signaling request indication;

   The name or index of the MCCH signaling request;

   List of recommended SSB indexes.
10. The method according to claim 9, wherein determining whether the MCCH signaling request is successful according to a response message received from the network device for the MCCH request, comprising:

    Receive message 4 of the random access procedure;

    If it is determined according to the message 4 that the conflict resolution is successful, it is determined that the MCCH signaling request is successful.
11. The method of claim 9 or 10, wherein the terminal device sends the message 3 on a common control channel CCCH.
12. According to the method according to any one of claims 7 to 11, when a synchronization signal SS burst set contains at most 4 SSBs or 8 SSBs, the length of the recommended SSB index list is 8 bits, and each bit corresponds to one SSB The index is used to indicate whether to send MCCH signaling on the beam corresponding to the SSB index.
13. According to the method according to any one of claims 7 to 11, when an SS burst set contains a maximum of 64 SSBs, the length of the recommended SSB index list is 8 bits, and the first 4 bits are respectively larger than the first SSB. Four consecutive SSB indices of , and the last 4 bits correspond to four consecutive SSB indices smaller than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
14. According to the method according to any one of claims 7 to 11, when an SS burst set contains at most 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits are respectively smaller than the first SSB Four consecutive SSB indexes of , the last 4 bits correspond to four consecutive SSB indexes larger than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
15. According to the method according to any one of claims 7 to 11, when an SS burst set contains a maximum of 64 SSBs, the length of the recommended SSB index list is 8 bits, and the first 4 bits are respectively larger than the first SSB. Four consecutive SSB indices actually sent, and the last 4 bits correspond to four consecutive SSB indices actually sent that are smaller than the first SSB; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
16. According to the method according to any one of claims 7 to 11, when an SS burst set contains at most 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits are respectively smaller than the first SSB Four consecutive SSB indices actually sent, the last 4 bits correspond to four consecutive SSB indices that are actually sent than the first SSB; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
17. The method according to any one of claims 1 to 16, before the terminal device sends a random access-based multicast control channel MCCH signaling request, further comprising:

    Receive a system broadcast message, where the system broadcast message includes at least one of the following:

    The current sending status of MCCH signaling;

    Whether the MCCH signaling is sent based on the terminal equipment request.
18. A method for requesting system broadcast information, comprising:

    The terminal device sends a system broadcast information request based on random access;

    Receive system broadcast information from network devices.
19. The method according to claim 18, wherein the terminal device sends a random access-based system broadcast information request, comprising:

    The terminal device sends an RRC system information request based on message 3 of the random access procedure, where the RRC system information request includes a list of recommended SSB indexes.
20. The method according to claim 19, when a SS burst set contains at most 4 SSBs or 8 SSBs, the length of the recommended SSB index list is 8 bits, and each bit corresponds to an SSB index, which is used to indicate whether The system broadcast information is sent on the beam corresponding to the SSB index.
21. The method according to claim 19, when a SS burst set contains at most 64 SSBs, the recommended length of the SSB index list is 8 bits, wherein the first 4 bits correspond to four consecutive SSBs larger than the first SSB respectively SSB index, the last 4 bits correspond to four consecutive SSB indexes smaller than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
22. The method according to claim 19, when a SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSBs smaller than the first SSB respectively SSB index, the last 4 bits correspond to four consecutive SSB indexes larger than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
23. The method according to claim 19, when a SS burst set contains at most 64 SSBs, the recommended length of the SSB index list is 8 bits, wherein the first 4 bits correspond to four consecutive SSBs larger than the first SSB respectively SSB index actually sent, the last 4 bits correspond to four consecutive SSB indices actually sent that are smaller than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
24. The method according to claim 19, when a SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to four consecutive SSBs smaller than the first SSB respectively SSB index actually sent, the last 4 bits correspond to four consecutive SSB indices actually sent that are larger than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
25. A method for sending multicast control channel signaling, applied to network equipment, includes:

    receiving a random access-based MCCH signaling request from a terminal device;

    A response message to the MCCH request is sent to the terminal device.
26. The method of claim 25, further comprising sending MCCH signaling to the terminal device.
27. The method according to claim 25 or 26, before the receiving, further comprising: sending a system broadcast message or RRC signaling; the system broadcast message or RRC signaling carries an RO for the terminal device to request MCCH signaling, and /or a random access preamble for the terminal equipment to request MCCH signaling.
28. The method according to claim 27, wherein the receiving a random access-based MCCH signaling request from a terminal device comprises: receiving a message 1 based on the RO or the random access preamble random access procedure from the terminal device .
29. The method according to claim 28, wherein the sending a response message for the MCCH request to the terminal device comprises:

    A RAR containing the RAP ID of the random access preamble is sent to the terminal device.
30. The method according to claim 28, wherein the sending a response message for the MCCH request to the terminal device comprises:

    Send the PDCCH scrambled by using the RA-RNTI corresponding to the RO to the terminal device.
31. The method according to claim 25 or 26, wherein the receiving the MCCH signaling request based on random access from the terminal device comprises: receiving a message A of the random access procedure from the terminal device;

    The message A includes at least one of the following:

    MCCH signaling request indication;

    The name or index of the MCCH signaling request;

    List of recommended SSB indexes.
32. The method according to claim 25 or 26, wherein the receiving a random access-based MCCH signaling request from the terminal device comprises: receiving a random access procedure message 3 from the terminal device;

    The message 3 includes at least one of the following:

    MCCH signaling request indication;

    The name or index of the MCCH signaling request;

    List of recommended SSB indexes.
33. 33. The method of claim 32, wherein message 3 of the random access procedure is received from the terminal device on CCCH.
34. According to the method according to any one of claims 31 to 33, when an SS burst set contains at most 4 SSBs or 8 SSBs, the length of the recommended SSB index list is 8 bits, and each bit corresponds to an SSB index, It is used to indicate whether to send MCCH signaling on the beam corresponding to the SSB index.
35. According to the method according to any one of claims 31 to 33, when an SS burst set contains at most 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits are respectively larger than the first SSB Four consecutive SSB indices of , and the last 4 bits correspond to four consecutive SSB indices smaller than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
36. According to the method according to any one of claims 31 to 33, when an SS burst set contains at most 64 SSBs, the recommended length of the SSB index list is 8 bits, wherein the first 4 bits are respectively smaller than the first SSB Four consecutive SSB indexes of , the last 4 bits correspond to four consecutive SSB indexes larger than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
37. According to the method according to any one of claims 31 to 33, when an SS burst set contains at most 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits are respectively larger than the first SSB Four consecutive SSB indices actually sent, and the last 4 bits correspond to four consecutive SSB indices actually sent that are smaller than the first SSB; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
38. According to the method according to any one of claims 31 to 33, when an SS burst set contains at most 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits are respectively smaller than the first SSB Four consecutive SSB indices actually sent, and the last 4 bits correspond to four consecutive SSB indices that are larger than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
39. The method according to any one of claims 31 to 38, wherein the sending MCCH signaling to the terminal device comprises:

    If the network device receives the recommended SSB index list, it sends MCCH signaling on the beam corresponding to the recommended SSB index list.
40. The method according to any one of claims 31 to 38, wherein the sending MCCH signaling to the terminal device comprises:

    If the network device does not receive the recommended SSB index list, the MCCH signaling is sent on the beam corresponding to the random access preamble sent by the terminal device and/or the SSB associated with the RO.
41. The method according to any one of claims 25 to 38, wherein the sending MCCH signaling to the terminal device comprises:

    The MCCH signaling is sent on all beams of the cell.
42. The method of any one of claims 25 to 41, further comprising:

    Send a system broadcast message, where the system broadcast message includes at least one of the following:

    The current sending status of MCCH signaling;

    Whether the MCCH signaling is sent based on the terminal equipment request.
43. A method for sending system broadcast information, applied to network equipment, includes:

    Receive a random access-based system broadcast information request from a terminal device;

    Send system broadcast information to terminal equipment.
44. The method of claim 43, receiving a random access-based system broadcast information request from a terminal device, comprising:

    An RRC system information request based on message 3 of the random access procedure is received from the terminal device, the RRC system information request containing a list of recommended SSB indices.
45. The method according to claim 44, when a SS burst set contains at most 4 SSBs or 8 SSBs, the length of the recommended SSB index list is 8 bits, and each bit corresponds to an SSB index, which is used to indicate whether The system broadcast information is sent on the beam corresponding to the SSB index.
46. The method according to claim 44, when a SS burst set contains at most 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits correspond to four consecutive SSBs larger than the first SSB respectively SSB index, the last 4 bits correspond to four consecutive SSB indexes smaller than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
47. The method according to claim 44, when a SS burst set contains at most 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits correspond to four consecutive SSBs smaller than the first SSB respectively SSB index, the last 4 bits correspond to four consecutive SSB indexes larger than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
48. The method according to claim 44, when a SS burst set contains at most 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits correspond to four consecutive SSBs larger than the first SSB respectively SSB index actually sent, the last 4 bits correspond to four consecutive SSB indices actually sent that are smaller than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
49. The method according to claim 44, when a SS burst set contains at most 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits correspond to four consecutive SSBs smaller than the first SSB respectively SSB index actually sent, the last 4 bits respectively correspond to four consecutive SSB indices actually sent that are larger than the first SSB; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
50. The method according to any one of claims 44 to 49, wherein the sending the system broadcast information to the terminal device comprises:

    If a recommended SSB index list is provided in the RRC system information request, the system broadcast information is sent on a beam corresponding to the recommended SSB index list.
51. The method according to any one of claims 44 to 49, wherein the sending the system broadcast information to the terminal device comprises:

    If the recommended SSB index list is not provided in the RRC system information request, the system broadcast information is sent on the beam corresponding to the random access preamble sent by the terminal device and/or the SSB associated with the RO.
52. A terminal device including:

    a first request module, configured to send a random access-based multicast control channel MCCH signaling request;

    A determining module, configured to determine whether the MCCH signaling request is successful according to the response message received from the network device for the MCCH request.
53. The terminal device of claim 52, further comprising:

    The signaling receiving module is used to receive the MCCH signaling from the network device.
54. The terminal device according to claim 52 or 53, further comprising: a first receiving module, configured to receive a system broadcast message or RRC signaling; the system broadcast message or RRC signaling carries signaling for the terminal device to request MCCH The random access opportunity RO, and/or the random access preamble used by the terminal equipment to request MCCH signaling.
55. The terminal device according to claim 54, wherein the first request module is configured to send a message 1 of a random access procedure based on the RO or the random access preamble.
56. The terminal device according to claim 55, wherein the determining module is configured to, if a random access response RAR including the random access preamble identifier RAP ID of the random access preamble is received, determine the MCCH signaling request success.
57. The terminal device according to claim 55, wherein the determining module is configured to, if a physical downlink control channel PDCCH scrambled with the random access wireless network temporary identifier RA-RNTI corresponding to the RO is received, determine the MCCH signaling The request was successful.
58. The terminal device according to claim 52 or 53, wherein the first request module is configured to send a message A of a random access procedure;

    The message A includes at least one of the following:

    MCCH signaling request indication;

    The name or index of the MCCH signaling request;

    List of recommended sync block SSB indices.
59. The terminal device according to claim 58, wherein the determining module is configured to, if a message B of the random access procedure is received, determine that the MCCH signaling request is successful.
60. The terminal device according to claim 52 or 53, wherein the first request module is configured to send message 3 of the random access procedure;

    The message 3 includes at least one of the following:

    MCCH signaling request indication;

    The name or index of the MCCH signaling request;

    List of recommended SSB indexes.
61. The terminal device according to claim 60, wherein the determining module is used to:

    Receive message 4 of the random access procedure;

    If it is determined according to the message 4 that the conflict resolution is successful, it is determined that the MCCH signaling request is successful.
62. The terminal device according to claim 60 or 61, wherein the first request module sends the message 3 on a common control channel CCCH.
63. According to the terminal device according to any one of claims 58 to 62, when a synchronization signal SS burst set contains at most 4 SSBs or 8 SSBs, the length of the recommended SSB index list is 8 bits, and each bit corresponds to one The SSB index is used to indicate whether to send MCCH signaling on the beam corresponding to the SSB index.
64. According to the terminal device according to any one of claims 58 to 62, when an SS burst set contains a maximum of 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits respectively correspond to the first SSB Large four consecutive SSB indices, the last 4 bits correspond to four consecutive SSB indices smaller than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
65. According to the terminal device according to any one of claims 58 to 62, when an SS burst set contains a maximum of 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits respectively correspond to the first SSB Small consecutive four SSB indices, the last 4 bits correspond to four consecutive SSB indices larger than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
66. According to the terminal device according to any one of claims 58 to 62, when an SS burst set contains a maximum of 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits respectively correspond to the first SSB Four consecutive large SSB indices actually sent, and the last 4 bits correspond to four consecutive SSB indices that are smaller than the first SSB; where,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
67. According to the terminal device according to any one of claims 58 to 62, when an SS burst set contains a maximum of 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits respectively correspond to the first SSB Small consecutive four SSB indices actually sent, the last 4 bits correspond to four SSB indices actually sent in a row larger than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
68. The terminal device according to any one of claims 53 to 67, further comprising:

    The second receiving module is configured to receive a system broadcast message, where the system broadcast message includes at least one of the following:

    The current sending status of MCCH signaling;

    Whether the MCCH signaling is sent based on the terminal equipment request.
69. A terminal device including:

    a second request module, configured to send a random access-based system broadcast information request;

    The system broadcast information receiving module is used for receiving the system broadcast information from the network device.
70. The terminal device according to claim 69, wherein the second request module is configured to send an RRC system information request based on message 3 of a random access procedure, the RRC system information request including a recommended SSB index list.
71. The terminal device according to claim 70, when an SS burst set contains at most 4 SSBs or 8 SSBs, the length of the recommended SSB index list is 8 bits, and each bit corresponds to an SSB index, which is used to indicate Whether to send system broadcast information on the beam corresponding to the SSB index.
72. The terminal device according to claim 70, when a SS burst set contains at most 64 SSBs, the recommended length of the SSB index list is 8 bits, wherein the first 4 bits respectively correspond to consecutive 4 bits larger than the first SSB. SSB indices, the last 4 bits correspond to four consecutive SSB indices smaller than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
73. The terminal device according to claim 70, when an SS burst set contains at most 64 SSBs, the recommended length of the SSB index list is 8 bits, wherein the first 4 bits correspond to consecutive 4 bits smaller than the first SSB respectively. SSB indices, the last 4 bits correspond to four consecutive SSB indices larger than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
74. The terminal device according to claim 70, when a SS burst set contains at most 64 SSBs, the recommended length of the SSB index list is 8 bits, wherein the first 4 bits respectively correspond to consecutive 4 bits larger than the first SSB. actually sent SSB indices, and the last 4 bits correspond to four consecutive SSB indices actually sent that are smaller than the first SSB; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
75. The terminal device according to claim 70, when an SS burst set contains at most 64 SSBs, the recommended length of the SSB index list is 8 bits, wherein the first 4 bits correspond to consecutive 4 bits smaller than the first SSB respectively. actually sent SSB indices, and the last 4 bits correspond to four consecutive SSB indices actually sent that are larger than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
76. A network device comprising:

    a first request receiving module, configured to receive a random access-based MCCH signaling request from a terminal device;

    A response module, configured to send a response message for the MCCH request to the terminal device.
77. The network device of claim 76, further comprising:

    The signaling sending module is used to send the MCCH signaling to the terminal equipment.
78. The network device of claim 76 or 77, further comprising:

    The first sending module is used to send a system broadcast message or RRC signaling; the system broadcast message or RRC signaling carries the RO used for the terminal equipment to request MCCH signaling, and/or the RO used for the terminal equipment to request MCCH signaling. Random access preamble.
79. The network device according to claim 78, wherein the first request receiving module is configured to receive, from a terminal device, a message 1 of a random access procedure sent based on the RO or the random access preamble.
80. The network device according to claim 79, wherein the response module is configured to send a RAR including the RAP ID of the random access preamble to the terminal device.
81. The network device according to claim 79, wherein the response module is configured to send the PDCCH scrambled by using the RA-RNTI corresponding to the RO to the terminal device.
82. The network device according to claim 76 or 77, wherein the first request receiving module is configured to receive a message A of a random access procedure from the terminal device;

    The message A includes at least one of the following:

    MCCH signaling request indication;

    The name or index of the MCCH signaling request;

    List of recommended SSB indexes.
83. The network device according to claim 76 or 77, wherein the first request receiving module is configured to receive message 3 of a random access procedure from the terminal device;

    The message 3 includes at least one of the following:

    MCCH signaling request indication;

    The name or index of the MCCH signaling request;

    List of recommended SSB indexes.
84. The network device of claim 83, wherein the first request receiving module receives message 3 of a random access procedure from the terminal device on CCCH.
85. According to the network device according to any one of claims 82 to 84, when an SS burst set contains at most 4 SSBs or 8 SSBs, the length of the recommended SSB index list is 8 bits, and each bit corresponds to an SSB index , which is used to indicate whether to send MCCH signaling on the beam corresponding to the SSB index.
86. According to the network device according to any one of claims 82 to 84, when an SS burst set contains a maximum of 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits respectively correspond to the first SSB Large four consecutive SSB indices, the last 4 bits correspond to four consecutive SSB indices smaller than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
87. According to the network device according to any one of claims 82 to 84, when an SS burst set contains a maximum of 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits respectively correspond to the first SSB Small consecutive four SSB indices, the last 4 bits correspond to four consecutive SSB indices larger than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
88. According to the network device according to any one of claims 82 to 84, when an SS burst set contains a maximum of 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits respectively correspond to the first SSB Four consecutive large SSB indices actually sent, and the last 4 bits correspond to four consecutive SSB indices that are smaller than the first SSB actually sent; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
89. According to the network device according to any one of claims 82 to 84, when an SS burst set contains a maximum of 64 SSBs, the length of the recommended SSB index list is 8 bits, wherein the first 4 bits respectively correspond to the first SSB Small consecutive four SSB indices actually sent, the last 4 bits correspond to four SSB indices actually sent in a row larger than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send MCCH signaling on the beam corresponding to the corresponding SSB index.
90. The network device according to any one of claims 82 to 89, wherein the signaling sending module is configured to:

    If the network device receives the recommended SSB index list, it sends MCCH signaling on the beam corresponding to the recommended SSB index list.
91. The network device according to any one of claims 82 to 89, wherein the signaling sending module is configured to:

    If the network device does not receive the recommended SSB index list, the MCCH signaling is sent on the beam corresponding to the random access preamble sent by the terminal device and/or the SSB associated with the RO.
92. The network device according to any one of claims 82 to 89, wherein the signaling sending module is configured to:

    The MCCH signaling is sent on all beams of the cell.
93. The network device according to any one of claims 76 to 92, further comprising:

    The second sending module is configured to send a system broadcast message, where the system broadcast message includes at least one of the following:

    The current sending status of MCCH signaling;

    Whether the MCCH signaling is sent based on the terminal equipment request.
94. A network device comprising:

    a second request receiving module, configured to receive a random access-based system broadcast information request from the terminal device;

    The system broadcast information sending module is used to send the system broadcast information to the terminal equipment.
95. The network device according to claim 94, wherein the second request receiving module is configured to receive an RRC system information request based on message 3 of a random access procedure from the terminal device, the RRC system information request including a recommended SSB index list .
96. The network device according to claim 95, when an SS burst set contains at most 4 SSBs or 8 SSBs, the length of the recommended SSB index list is 8 bits, and each bit corresponds to an SSB index, which is used to indicate Whether to send system broadcast information on the beam corresponding to the SSB index.
97. The network device according to claim 95, when a SS burst set contains at most 64 SSBs, the recommended length of the SSB index list is 8 bits, wherein the first 4 bits respectively correspond to consecutive 4 bits larger than the first SSB. SSB indices, the last 4 bits correspond to four consecutive SSB indices smaller than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
98. The network device according to claim 95, when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to consecutive 4 bits smaller than the first SSB respectively. SSB indices, the last 4 bits correspond to four consecutive SSB indices larger than the first SSB respectively; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
99. The network device according to claim 95, when a SS burst set contains at most 64 SSBs, the recommended length of the SSB index list is 8 bits, wherein the first 4 bits respectively correspond to consecutive 4 bits larger than the first SSB. actually sent SSB indices, and the last 4 bits correspond to four consecutive SSB indices actually sent that are smaller than the first SSB; wherein,

    The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

    Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
100. The network device according to claim 95, when an SS burst set contains at most 64 SSBs, the recommended SSB index list length is 8 bits, wherein the first 4 bits correspond to consecutive 4 bits smaller than the first SSB respectively. actually sent SSB indices, and the last 4 bits correspond to four consecutive SSB indices actually sent that are larger than the first SSB respectively; wherein,

     The first SSB includes an SSB index corresponding to the beam that sends the random access indication;

     Each bit in the recommended SSB index list is used to indicate whether to send system broadcast information on the beam corresponding to the corresponding SSB index.
101. The network device according to any one of claims 95 to 100, wherein the system broadcast information sending module is used for:

     If a recommended SSB index list is provided in the RRC system information request, the system broadcast information is sent on a beam corresponding to the recommended SSB index list.
102. The network device according to any one of claims 95 to 100, wherein the system broadcast information sending module is used for:

     If the recommended SSB index list is not provided in the RRC system information request, the system broadcast information is sent on the beam corresponding to the random access preamble sent by the terminal device and/or the SSB associated with the RO.
103. A terminal device, comprising: a processor and a memory, the memory is used to store a computer program, the processor is used to call and run the computer program stored in the memory, and executes any one of claims 1 to 24. Methods.
104. A network device, comprising: a processor and a memory, the memory is used to store a computer program, the processor is used to call and run the computer program stored in the memory, and executes any one of claims 25 to 51. Methods.
105. A chip comprising: a processor for invoking and running a computer program from a memory, causing a device on which the chip is installed to perform the method as claimed in any one of claims 1 to 24.
106. A chip, comprising: a processor for invoking and running a computer program from a memory, so that a device on which the chip is installed executes the method as claimed in any one of claims 25 to 51.
107. A computer-readable storage medium storing a computer program that causes a computer to perform the method of any one of claims 1 to 24.
108. A computer-readable storage medium storing a computer program that causes a computer to perform the method of any one of claims 25 to 51.
109. A computer program product comprising computer program instructions that cause a computer to perform the method of any one of claims 1 to 24.
110. A computer program product comprising computer program instructions that cause a computer to perform the method of any of claims 25 to 51.
111. A computer program that causes a computer to perform the method of any one of claims 1 to 24.
112. A computer program that causes a computer to perform the method of any one of claims 25 to 51.

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