WO2024012571A1 - 随机接入方法、装置、终端及网络侧设备 - Google Patents
随机接入方法、装置、终端及网络侧设备 Download PDFInfo
- Publication number
- WO2024012571A1 WO2024012571A1 PCT/CN2023/107469 CN2023107469W WO2024012571A1 WO 2024012571 A1 WO2024012571 A1 WO 2024012571A1 CN 2023107469 W CN2023107469 W CN 2023107469W WO 2024012571 A1 WO2024012571 A1 WO 2024012571A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cell
- random access
- information
- index
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
- H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
Definitions
- the present disclosure relates to the field of wireless technology, and in particular, to a random access method, device, terminal and network side equipment.
- inter-cell beam management supports configuring synchronization signals and physical broadcast channel (PBCH) blocks (Synchronization Signal and PBCH block, SSB) of non-serving cells as beam measurement reference signals, and terminals can report non-serving cells. Based on the SSB's Layer 1 Reference Signal Receiving Power (L1-RSRP) measurement results, the serving cell can select the beam serving terminal of the non-serving cell.
- PBCH physical broadcast channel
- L1-RSRP Layer 1 Reference Signal Receiving Power
- L1/L2 control signaling can be used to complete handover to reduce latency.
- the source base station serving cell
- RRC Radio Resource Control
- TA timing advance
- the terminal needs to initiate a random access with the target cell in the layer 3 process to obtain TA and other information to complete the communication with the target cell. Synchronization, using this method will cause the problem of high delay in the synchronization process with the target cell (non-serving cell), and cannot meet the demand for reducing delay.
- the purpose of the disclosed technical solution is to provide a random access method, device, terminal and network side equipment to solve the problem of synchronization process between related technical terminals and target cells (non-serving cells).
- the problem of high latency is to provide a random access method, device, terminal and network side equipment to solve the problem of synchronization process between related technical terminals and target cells (non-serving cells).
- the problem of high latency is to provide a random access method, device, terminal and network side equipment to solve the problem of synchronization process between related technical terminals and target cells (non-serving cells).
- the present disclosure provides a random access method, which is executed by a terminal.
- the method includes:
- the random access method further includes:
- the second information includes one or more of the following:
- the random access resource index of the second cell is the random access resource index of the second cell
- Random preamble index of the second cell is Random preamble index of the second cell.
- the random access method further includes:
- the second cell is one of the at least one third cell.
- the configuration information includes one or more of the following information:
- the resource information includes a preamble index of a random access pilot and/or a time-frequency domain resource for transmitting the pilot.
- the random access method wherein the first information also includes a reference signal index
- sending a random access message to the second cell includes:
- the random access message is sent to the second cell using the same spatial parameter as the reference signal indicated by the reference signal index.
- the random access method further includes:
- the transmission power of the random access message is calculated according to the reference signal and/or power information corresponding to the second cell.
- the random access method further includes:
- the reference signal corresponding to the second cell is determined according to the reference signal index in the second information.
- Embodiments of the present disclosure also provide a random access method, which is executed by the first cell.
- the method includes:
- Serving cell the second cell is a cell with a different index from the first cell.
- the second information includes one or more of the following:
- the random access resource index of the second cell is the random access resource index of the second cell
- Random preamble index of the second cell is Random preamble index of the second cell.
- the random access method further includes:
- the RRC information includes at least a first Configuration information of three cells, the second cell being one of the at least one third cell;
- the configuration information includes one or more of the following information:
- An embodiment of the present disclosure also provides a terminal, which includes a transceiver, wherein the transceiver is used for:
- An embodiment of the present disclosure also provides a network side device, which is applied to the first cell and includes a transceiver, wherein the transceiver is used for:
- Serving cell the second cell is a cell with a different index from the first cell.
- An embodiment of the present disclosure also provides a random access device, which is applied to a terminal and includes:
- a receiving module configured to receive first information sent by the first cell for instructing the terminal to perform random access; wherein the first information includes second information for instructing the second cell; wherein, the The first cell is one of the serving cells of the terminal, and the second cell is a cell with a different index from the first cell;
- a first sending module configured to send random access information to the second cell according to the first information. information.
- An embodiment of the present disclosure also provides a random access device, wherein the method is executed by the first cell, and the method includes:
- the second sending module is configured to send first information for instructing the terminal to perform random access to the terminal; wherein the first information includes second information for instructing the second cell; wherein the first cell is one of the serving cells of the terminal, and the second cell is a cell whose index is different from that of the first cell.
- An embodiment of the present disclosure also provides a network device, which includes: a processor, a memory, and a program stored on the memory and executable on the processor.
- a network device which includes: a processor, a memory, and a program stored on the memory and executable on the processor.
- the program is executed by the processor, the following is implemented: The random access method described in any of the previous items.
- An embodiment of the present disclosure also provides a readable storage medium, wherein a program is stored on the readable storage medium, and when the program is executed by a processor, the steps in the random access method as described in any one of the above items are implemented.
- the sending of the random access message to the second cell is triggered by indicating the second information of the second cell, which can be indicated by
- the first information of random access triggers the terminal to perform random access to the target cell (second cell), that is, random access to the target cell is performed before handover, so as to avoid random access to the target cell through the L3 handover process.
- second cell random access to the target cell
- Figure 1 is a schematic diagram of the application system architecture of the random access method according to an embodiment of the present disclosure
- Figure 2 is a schematic flowchart of a random access method according to one embodiment of the present disclosure
- Figure 3 is a schematic flowchart of one implementation using the method described in the embodiment of the present disclosure.
- Figure 4 is a schematic flowchart of a random access method according to another embodiment of the present disclosure.
- Figure 5 is a schematic structural diagram of the device according to an embodiment of the present disclosure.
- Figure 6 is a schematic structural diagram of a network side device according to an embodiment of the present disclosure.
- Figure 7 is a schematic structural diagram of one implementation of the random access device according to the embodiment of the present disclosure.
- Figure 8 is a schematic structural diagram of another implementation of the random access device according to the embodiment of the present disclosure.
- FIG. 1 The application system architecture of the random access method according to the embodiment of the present disclosure is shown in Figure 1, which includes at least one terminal 10 and at least one cell 20.
- Each cell 20 can correspond to a network side device, such as a base station.
- each terminal 10 corresponds to at least one serving cell and at least one non-serving cell.
- Different cells 20 can send measurement reference signals respectively, the terminal can report the L1-RSRP measurement results of the SSB of the non-serving cell, and the serving cell can select the beam serving terminal of the non-serving cell.
- embodiments of the present disclosure provide a random access method.
- the method when sending the first information indicating random access to the terminal, triggering the sending of the random access message to the second cell by indicating the second information of the second cell, where the second cell is an index with the first cell.
- the first cell is one of the serving cells of the terminal, and the second cell can be a target cell or a non-serving cell that is different from the serving cell. Therefore, using this implementation method, it can be triggered by the first information indicating random access.
- Random access of the terminal to the non-serving cell that is, random access to the target cell before handover, avoids random access to the target cell through the L3 handover process, and obtains TA and other information to complete synchronization with the target cell. Therefore, the problem of high delay in the synchronization process with the target cell (non-serving cell) can be avoided.
- One embodiment of the present disclosure provides a random access method, which is executed by a terminal.
- the method includes:
- S210 Receive the first information sent by the first cell for instructing the terminal to perform random access; wherein the first information includes second information for instructing the second cell; wherein the first cell is one of the serving cells of the terminal, and the second cell is a cell with a different index from that of the first cell;
- S220 Send a random access message to the second cell according to the first information.
- the first cell is one of the serving cells of the terminal, and the second cell is the same as the first cell.
- a cell with a different cell index that is, a target cell different from the first cell, may optionally be a non-serving cell.
- the method further includes:
- the second cell can send the TA information to the terminal to The terminal is allowed to complete synchronization with the second cell, so the terminal can obtain the TA information of the target cell during the L1/L2-based handover process to reduce the delay caused by random access during handover.
- the first information is downlink control information (Downlink Control Information, DCI), which is sent through a physical downlink control channel (Physical Downlink Control Channel, PDCCH) instruction.
- DCI Downlink Control Information
- PDCCH Physical Downlink Control Channel
- the DCI is used to instruct the terminal to initiate random access.
- the DCI is scrambled by Cyclic Redundancy Check (CRC) and the DCI format is 1_0, and the frequency domain resource allocation (Frequency Domain Resource Assignment, FDRA) field is all 1, but the details are not This is limited to the specific configuration or protocol agreement on the network side.
- CRC Cyclic Redundancy Check
- FDRA Frequency Domain Resource Assignment
- the DCI that triggers the random access process instructs the terminal to send a random access message to the serving cell.
- the terminal is instructed in the DCI that triggers the random access process to remove the serving cell.
- the terminal can initiate a random access message to the target cell.
- the second information includes one or more of the following:
- the random access resource index of the second cell is the random access resource index of the second cell
- Random preamble index of the second cell is Random preamble index of the second cell.
- the random access resource index includes a random access channel (Random Access Channel, RACH) mask index (mask index).
- RACH Random Access Channel
- the method further includes:
- the second cell is one of the at least one third cell.
- the configuration information includes one or more of the following information:
- Random access channel transmission opportunity (RACH occasion);
- CSI-RS Channel State Information Reference Signal
- the RACH resources include dedicated RACH resources and/or public RACH resources.
- the method further includes:
- the configuration information is RRC configuration information
- the third cell includes the first cell and/or the second cell.
- the first cell The cell sends the RRC configuration of at least one third cell to the terminal.
- the terminal can receive the beam measurement reference signal sent by at least one third cell, that is, receive the beam measurement reference signal sent by the first cell and/or the second cell; and , perform beam measurement based on the beam measurement reference signal, and report measurement result information, so that the first cell (serving cell) can determine whether the terminal needs to be switched to the second cell based on the measurement result information reported by the terminal.
- the terminal uses the index of the second cell, the configuration information index of the second cell, the reference signal index of the second cell, and the second cell in the first information for instructing to perform random access.
- At least one of the random access resource index of the cell and the random preamble index of the second cell determines the second cell where the terminal needs to initiate random access, and all the data of at least one third cell obtained in advance and sent by the first cell.
- the above configuration information uses the RACH resources (or RACH occasion) indicated by the configuration information, the association between RACH resources and SSB, and RACH resources.
- the resource information for sending the random access message can be determined based on the association relationship between the source and the CSI-RS.
- the determined resource information used to send the random access message includes random preamble index (Random Access Preamble index or ra-PreambleIndex) information and frequency domain resource information.
- random preamble index Random Access Preamble index or ra-PreambleIndex
- the first information also includes a reference signal index:
- sending a random access message to the second cell includes:
- the random access message is sent to the second cell using the same spatial parameter as the reference signal indicated by the reference signal index.
- the reference signal index includes an SSB index and/or a CSI index, wherein the terminal uses the same spatial parameter as indicated by the reference signal index to send the random access message to the second cell.
- the spatial parameters include spatial filters and/or beams.
- the reference signal indicated by the first information may be determined.
- the reference signal index is a reference signal index of a channel measurement resource (Channel Measurement Resource, CMR) in a channel state information (Channel State Information, CSI) report (Report).
- CMR Channel Measurement Resource
- CSI Channel State Information
- the method further includes:
- the transmission power of the random access message is calculated according to the reference signal and/or power information corresponding to the second cell.
- the method further includes:
- the reference signal corresponding to the second cell is determined according to the reference signal index in the second information.
- b is the index of the partial bandwidth (Bandwidth Part, BWP), f is the carrier index, and c is the cell index;
- P PRACHb, f, c is the BWP index of b, the carrier index is f, and the cell index is c.
- the transmission power of the random access message P Cmax, f, c is P Cmax when the carrier index is f and the cell index is c;
- PL b, f, c is the BWP index is b and the carrier index is f , the corresponding path loss when the cell index is c;
- P PRACHtarget,f,c is the target received power when the carrier index is f and the cell index is c.
- the path loss (Path Loss, PL) corresponding to the second cell may be calculated according to the index of the second cell and/or the reference signal index indicated by the second information. That is, the cell index in the above calculation method of transmit power is the index of the second cell.
- the path loss PL can be calculated based on the SSB or CSI-RS of the second cell.
- the reference signal of the path loss PL can be determined according to the physical cell identifier (PCI) index or configuration information index of the second cell, thereby further determining the path.
- Loss optionally, the configuration information of the second cell includes a path loss reference signal, and the path loss PL can be determined based on the path loss reference signal.
- Pcmax may be determined according to the PCI index or configuration information index and configuration information of the second cell in the second information.
- the transmission power of the random access message can be calculated according to the determined path loss PL and Pcmax corresponding to the second cell.
- FIG. 3 is a schematic flowchart of a random access method according to an embodiment of the present disclosure. Using this embodiment, the random access method includes the following steps:
- the first cell (serving cell) sends configuration information to the terminal; where the configuration information is RRC configuration information, including the RRC configuration of at least one third cell;
- the first cell and/or the second cell send a measurement reference signal to the terminal;
- S303 The terminal performs beam measurement and reports beam measurement result information
- the first cell determines that the terminal needs to switch to the second cell based on the beam measurement result information, it triggers the sending of the first information (PDCCH order (order)).
- the PDCCH order is used to trigger the terminal to communicate with the second cell. random access;
- S305 The terminal sends a random access message to the second cell according to the first information
- the terminal receives a random access response message RAR sent by the second cell.
- the random access response message RAR includes the time advance TA information of the second cell.
- the terminal is triggered by the first information indicating random access.
- the second cell can send TA information to the terminal so that the terminal can complete synchronization with the second cell. Therefore, the terminal can perform handover during the L1/L2-based handover process. Obtain the TA information of the target cell to reduce the delay caused by random access during handover.
- the embodiment of the present disclosure also provides a random access method, which is executed by the first cell. As shown in Figure 4, the method includes:
- S401 Send first information to the terminal for instructing the terminal to perform random access; wherein the first information includes second information for instructing the second cell; wherein the first cell is the terminal's In one of the serving cells, the second cell is a cell with a different index from that of the first cell.
- the first cell indicates the second information of the second cell to the terminal through the first information that triggers the terminal to perform random access, and triggers the terminal to perform random access to the second cell (target cell).
- the second cell can send the TA information to the terminal so that the terminal can complete synchronization with the second cell.
- the terminal can obtain the TA information of the target cell during the L1/L2-based handover process to reduce random access during handover. Delay caused by input
- the second information includes one or more of the following:
- the random access resource index of the second cell is the random access resource index of the second cell
- Random preamble index of the second cell is Random preamble index of the second cell.
- the random access method further includes:
- the RRC information includes configuration information of at least one third cell, and the second cell is one of the at least one third cell;
- the configuration information includes one or more of the following information:
- the terminal 500 includes a transceiver 510 and a processor 520, where the transceiver 510 is used for:
- the transceiver 510 is also used for:
- the second information includes one or more of the following:
- the random access resource index of the second cell is the random access resource index of the second cell
- Random preamble index of the second cell is Random preamble index of the second cell.
- the processor 520 is configured to:
- the second cell is one of the at least one third cell.
- the configuration information includes one or more of the following information:
- the terminal wherein the resource information includes a preamble index (Preamble index) of a random access pilot (random access preambles) and/or a time frequency for sending the pilot (random access preambles) domain resources.
- Preamble index a preamble index of a random access pilot (random access preambles)
- time frequency for sending the pilot (random access preambles) domain resources a preamble index of a random access pilot (random access preambles) domain resources.
- the first information also includes a reference signal index
- the transceiver 510 sends a random access message to the second cell, including:
- the random access message is sent to the second cell using the same spatial parameter as the reference signal indicated by the reference signal index.
- the processor 520 is configured to:
- the transmission power of the random access message is calculated according to the reference signal and/or power information corresponding to the second cell.
- the processor 520 is also used to:
- the reference signal corresponding to the second cell is determined according to the reference signal index in the second information.
- the network side device 600 includes a transceiver 610, wherein the transceiver 610 is used for:
- Serving cell the second cell is a cell with a different index from the first cell.
- the second information includes one or more of the following:
- the random access resource index of the second cell is the random access resource index of the second cell
- Random preamble index of the second cell is Random preamble index of the second cell.
- the network side device wherein the transceiver 610 is also used for:
- the RRC information includes configuration information of at least one third cell, and the second cell is one of the at least one third cell;
- the configuration information includes one or more of the following information:
- Another embodiment of the present disclosure also provides a random access device, which is applied to a terminal. As shown in Figure 7, the device includes:
- the receiving module 710 is configured to receive first information sent by the first cell for instructing the terminal to perform random access; wherein the first information includes second information for instructing the second cell; wherein, the first information includes second information for instructing the second cell;
- the first cell is one of the serving cells of the terminal, and the second cell is a cell with a different index from the first cell;
- the first sending module 720 is configured to send a random access message to the second cell according to the first information.
- the receiving module 710 is also used to:
- the second information includes one or more of the following:
- the random access resource index of the second cell is the random access resource index of the second cell
- Random preamble index of the second cell is Random preamble index of the second cell.
- the random access device further includes:
- the first processing module 730 is configured to determine the resource information for sending the random access message according to the second information and the configuration information of at least one third cell;
- the second cell is one of the at least one third cell.
- the configuration information includes one or more of the following information:
- the resource information includes a preamble index of a random access pilot and/or a time-frequency domain resource for transmitting the pilot.
- the first information also includes a reference signal index
- the first sending module 720 sends a random access message to the second cell, including:
- the random access message is sent to the second cell using the same spatial parameter as the reference signal indicated by the reference signal index.
- the random access device further includes:
- the second processing module 740 is configured to calculate the transmission power of the random access message according to the reference signal and/or power information corresponding to the second cell.
- the second processing module 740 is also used to:
- the reference signal corresponding to the second cell is determined according to the reference signal index in the second information.
- Another embodiment of the present disclosure also provides a random access device, which is executed by the first cell, as shown in Figure 8 As shown, the device includes:
- the second sending module 810 is configured to send first information for instructing the terminal to perform random access to the terminal; wherein the first information includes second information for instructing the second cell; wherein the first The cell is one of the serving cells of the terminal, and the second cell is a cell with a different index from the first cell.
- the second information includes one or more of the following:
- the random access resource index of the second cell is the random access resource index of the second cell
- Random preamble index of the second cell is Random preamble index of the second cell.
- the second sending module 810 is also used to:
- the RRC information includes configuration information of at least one third cell, and the second cell is one of the at least one third cell;
- the configuration information includes one or more of the following information:
- Another embodiment of the present disclosure also provides a network device, including: a processor, a memory, and a program stored on the memory and executable on the processor.
- a network device including: a processor, a memory, and a program stored on the memory and executable on the processor.
- the program is executed by the processor, the following is implemented: The random access method described in any of the previous items.
- the network device may be the above-mentioned terminal or a network-side device applied in the first cell.
- the processor of the terminal or the network side device of the first cell executes the subsequent
- the specific implementation of the random access method please refer to the detailed description of the specific implementation in the corresponding random access method above, which will not be described again here.
- the computer-readable storage medium is applied to the above-mentioned terminal or to the network-side equipment of the first cell.
- the corresponding execution steps in the random access method are as described in detail above. This will not be described again.
- the disclosed methods and devices can be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components may be combined or can be integrated into another system, or some features can be ignored, or not implemented.
- the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
- each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, each unit may be physically included separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
- the above-mentioned integrated unit implemented in the form of a software functional unit can be stored in a computer-readable storage medium.
- the above-mentioned software functional unit is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute some steps of the sending and receiving methods described in various embodiments of the present disclosure.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code. .
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
PPRACHb,f,c(i)=min{PCMAX,f,c(i),PPRACH,target,f,c+PLb,f,c} [dBm],
Claims (18)
- 一种随机接入方法,由终端执行,所述方法包括:接收第一小区发送的用于指示所述终端执行随机接入的第一信息;其中,所述第一信息中包括用于指示第二小区的第二信息;其中,所述第一小区为所述终端的其中一服务小区,所述第二小区为与所述第一小区的索引不同的小区;根据所述第一信息,向所述第二小区发送随机接入消息。
- 根据权利要求1所述的随机接入方法,所述方法还包括:接收所述第二小区发送的随机接入响应消息;其中,所述随机接入响应消息包括所述第二小区的时间提前量TA信息。
- 根据权利要求1所述的随机接入方法,其中,所述第二信息包括以下的一项或多项:第二小区的索引;第二小区的配置信息索引;第二小区的参考信号索引;第二小区的随机接入资源索引;第二小区的随机前导码索引。
- 根据权利要求3所述的随机接入方法,所述方法还包括:根据所述第二信息和至少一个第三小区的配置信息,确定发送所述随机接入消息的资源信息;其中,所述第二小区为所述至少一个第三小区的其中一小区。
- 根据权利要求4所述的随机接入方法,其中,所述配置信息包括以下信息中的一项或多项:随机接入信道RACH资源;随机接入信道传输机会RACH occasion;所述RACH资源与同步信号块SSB的关联关系;所述RACH occasion与SSB的关联关系;所述RACH资源与信道状态信息参考信号CSI-RS的关联关系;所述RACH occasion与CSI-RS的关联关系;配置信息的索引;最大发送功率Pcmax。
- 根据权利要求4所述的随机接入方法,其中,所述资源信息包括随机接入导频的前导码索引和/或发送所述导频的时频域资源。
- 根据权利要求1所述的随机接入方法,其中,所述第一信息中还包括参考信号索引;其中,向所述第二小区发送随机接入消息,包括:采用与所述参考信号索引所指示参考信号相同的空间参数,向所述第二小区发送所述随机接入消息。
- 根据权利要求1所述的随机接入方法,所述方法还包括:根据与所述第二小区对应的参考信号和/或功率信息,计算所述随机接入消息的发送功率。
- 根据权利要求8所述的随机接入方法,所述方法还包括:根据所述第二信息中的参考信号索引,确定与所述第二小区对应的参考信号。
- 一种随机接入方法,由第一小区执行,所述方法包括:向终端发送用于指示终端执行随机接入的第一信息;其中,所述第一信息中包括用于指示第二小区的第二信息;其中,所述第一小区为所述终端的其中一服务小区,所述第二小区为与所述第一小区的索引不同的小区。
- 根据权利要求10所述的随机接入方法,其中,所述第二信息包括以下的一项或多项:第二小区的索引;第二小区的配置信息索引;第二小区的参考信号索引;第二小区的随机接入资源索引;第二小区的随机前导码索引。
- 根据权利要求10所述的随机接入方法,所述方法还包括:向所述终端发送无线资源控制RRC信息;所述RRC信息包括至少一第 三小区的配置信息,所述第二小区为所述至少一第三小区的其中一小区;其中,所述配置信息包括以下信息中的一项或多项:随机接入信道RACH资源;随机接入信道传输机会RACH occasion;所述RACH资源与同步信号块SSB的关联关系;所述RACH occasion与SSB的关联关系;所述RACH资源与信道状态信息参考信号CSI-RS的关联关系;所述RACH occasion与CSI-RS的关联关系;配置信息的索引;最大发送功率Pcmax。
- 一种终端,包括收发机,其中所述收发机用于:接收第一小区发送的用于指示所述终端执行随机接入的第一信息;其中,所述第一信息中包括用于指示第二小区的第二信息;其中,所述第一小区为所述终端的其中一服务小区,所述第二小区为与所述第一小区的索引不同的小区;根据所述第一信息,向所述第二小区发送随机接入消息。
- 一种网络侧设备,应用于第一小区,包括收发机,其中,所述收发机用于:向终端发送用于指示终端执行随机接入的第一信息;其中,所述第一信息中包括用于指示第二小区的第二信息;其中,所述第一小区为所述终端的其中一服务小区,所述第二小区为与所述第一小区的索引不同的小区。
- 一种随机接入装置,应用于终端,所述装置包括:接收模块,用于接收第一小区发送的用于指示所述终端执行随机接入的第一信息;其中,所述第一信息中包括用于指示第二小区的第二信息;其中,所述第一小区为所述终端的其中一服务小区,所述第二小区为与所述第一小区的索引不同的小区;第一发送模块,用于根据所述第一信息,向所述第二小区发送随机接入消息。
- 一种随机接入装置,由第一小区执行,所述装置包括:第二发送模块,用于向终端发送用于指示终端执行随机接入的第一信息;其中,所述第一信息中包括用于指示第二小区的第二信息;其中,所述第一小区为所述终端的其中一服务小区,所述第二小区为与所述第一小区的索引不同的小区。
- 一种网络设备,包括:处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序,所述程序被所述处理器执行时实现如权利要求1至9任一项所述的随机接入方法,或者实现如权利要求10至12任一项所述的随机接入方法。
- 一种可读存储介质,所述可读存储介质上存储有程序,所述程序被处理器执行时实现如权利要求1至9任一项所述的随机接入方法中的步骤,或者实现如权利要求10至12任一项所述的随机接入方法中的步骤。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2023306441A AU2023306441A1 (en) | 2022-07-15 | 2023-07-14 | Random-Access Method and Device, UE and Network Equipment |
| JP2025501843A JP2025522124A (ja) | 2022-07-15 | 2023-07-14 | ランダムアクセス方法、装置、端末及びネットワーク側機器 |
| EP23839059.5A EP4531482A4 (en) | 2022-07-15 | 2023-07-14 | RANDOM ACCESS METHOD AND APPARATUS, AND NETWORK-SIDE TERMINAL AND DEVICE |
| MX2025000579A MX2025000579A (es) | 2022-07-15 | 2025-01-14 | Metodo y dispositivo de acceso aleatorio, eu y equipo de red |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210836008.6 | 2022-07-15 | ||
| CN202210836008.6A CN117460081A (zh) | 2022-07-15 | 2022-07-15 | 随机接入方法、装置、终端及网络侧设备 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024012571A1 true WO2024012571A1 (zh) | 2024-01-18 |
Family
ID=89535666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2023/107469 Ceased WO2024012571A1 (zh) | 2022-07-15 | 2023-07-14 | 随机接入方法、装置、终端及网络侧设备 |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP4531482A4 (zh) |
| JP (1) | JP2025522124A (zh) |
| CN (1) | CN117460081A (zh) |
| AU (1) | AU2023306441A1 (zh) |
| MX (1) | MX2025000579A (zh) |
| WO (1) | WO2024012571A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025168096A1 (zh) * | 2024-02-08 | 2025-08-14 | 荣耀终端股份有限公司 | 定时提前量的获取方法、设备及存储介质 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120957240A (zh) * | 2024-05-13 | 2025-11-14 | 华为技术有限公司 | 一种通信方法及装置 |
| KR20260044028A (ko) * | 2024-09-25 | 2026-04-01 | 삼성전자주식회사 | 무선 통신 시스템에서 ca를 위한 지연시간을 줄이기 위한 방법 및 장치 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090262681A1 (en) * | 2007-01-09 | 2009-10-22 | Lg Electronics Inc. | Method of performing random access procedure in wireless communication system |
| US20180302915A1 (en) * | 2015-10-16 | 2018-10-18 | Panasonic Intellectual Property Corporation of Ame | Improved uplink transmissions in unlicensed cells with additional transmission timing offsets |
| CN110535571A (zh) * | 2019-03-28 | 2019-12-03 | 中兴通讯股份有限公司 | 一种信息传输方法和装置、信息确定方法和装置 |
| CN112166642A (zh) * | 2018-05-23 | 2021-01-01 | 高通股份有限公司 | 包括随机接入的无线通信 |
| CN113260004A (zh) * | 2020-02-13 | 2021-08-13 | 华为技术有限公司 | 一种通信方法及装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101710607B1 (ko) * | 2010-01-20 | 2017-02-27 | 삼성전자주식회사 | 이동통신 시스템에서 단말기의 핸드오버를 지원하는 방법 및 장치 |
| US11412422B2 (en) * | 2019-03-14 | 2022-08-09 | Ofinno, Llc | Handover in unlicensed band |
| CN113973347B (zh) * | 2020-07-24 | 2024-04-05 | 华硕电脑股份有限公司 | 无线通信系统中用于移动性程序的方法和设备 |
| CN116671171A (zh) * | 2020-12-23 | 2023-08-29 | 华为技术有限公司 | 一种小区切换的方法及装置 |
| US20220210844A1 (en) * | 2020-12-31 | 2022-06-30 | Samsung Electronics Co., Ltd. | Method and apparatus for random access in wireless communication systems |
| CN118104311A (zh) * | 2021-08-16 | 2024-05-28 | 株式会社Ntt都科摩 | 终端、无线通信方法以及基站 |
| US20250331032A1 (en) * | 2022-04-29 | 2025-10-23 | Apple Inc. | Systems, methods, and devices for ul timing advance acquisition and update in a wireless communication network |
-
2022
- 2022-07-15 CN CN202210836008.6A patent/CN117460081A/zh active Pending
-
2023
- 2023-07-14 EP EP23839059.5A patent/EP4531482A4/en active Pending
- 2023-07-14 AU AU2023306441A patent/AU2023306441A1/en active Pending
- 2023-07-14 JP JP2025501843A patent/JP2025522124A/ja active Pending
- 2023-07-14 WO PCT/CN2023/107469 patent/WO2024012571A1/zh not_active Ceased
-
2025
- 2025-01-14 MX MX2025000579A patent/MX2025000579A/es unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090262681A1 (en) * | 2007-01-09 | 2009-10-22 | Lg Electronics Inc. | Method of performing random access procedure in wireless communication system |
| US20180302915A1 (en) * | 2015-10-16 | 2018-10-18 | Panasonic Intellectual Property Corporation of Ame | Improved uplink transmissions in unlicensed cells with additional transmission timing offsets |
| CN112166642A (zh) * | 2018-05-23 | 2021-01-01 | 高通股份有限公司 | 包括随机接入的无线通信 |
| CN110535571A (zh) * | 2019-03-28 | 2019-12-03 | 中兴通讯股份有限公司 | 一种信息传输方法和装置、信息确定方法和装置 |
| CN113260004A (zh) * | 2020-02-13 | 2021-08-13 | 华为技术有限公司 | 一种通信方法及装置 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4531482A4 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025168096A1 (zh) * | 2024-02-08 | 2025-08-14 | 荣耀终端股份有限公司 | 定时提前量的获取方法、设备及存储介质 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2025522124A (ja) | 2025-07-10 |
| CN117460081A (zh) | 2024-01-26 |
| EP4531482A1 (en) | 2025-04-02 |
| MX2025000579A (es) | 2025-02-10 |
| EP4531482A4 (en) | 2025-10-29 |
| AU2023306441A1 (en) | 2025-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102348988B1 (ko) | 빔 실패 복구 방법, 장치 및 장치 | |
| WO2022152275A1 (zh) | Msg3传输方法、装置、设备及存储介质 | |
| WO2024012571A1 (zh) | 随机接入方法、装置、终端及网络侧设备 | |
| WO2019154272A1 (zh) | 波束失败恢复方法及用户终端 | |
| WO2018171634A1 (zh) | 无线网络中的通信方法、装置和系统 | |
| CN113785643A (zh) | Ue功率节省中的动态调度参数适配 | |
| CN111294802B (zh) | 小区切换方法及装置、存储介质、终端、基站 | |
| WO2014107964A1 (zh) | 一种发送集群消息的方法和网络侧设备、终端设备 | |
| US20230171687A1 (en) | Wireless roaming method and system | |
| CN111405675B (zh) | 随机接入方法、终端及网络设备 | |
| JP2021524698A (ja) | ランダムアクセス方法及び端末 | |
| WO2018024136A1 (zh) | 一种随机接入方法及终端 | |
| WO2024045858A1 (zh) | 一种通信方法及装置 | |
| WO2024022341A1 (zh) | 小区切换方法、终端、基站、通信系统和存储介质 | |
| WO2025039942A1 (zh) | 资源配置方法、装置、终端及网络侧设备 | |
| CN116567861A (zh) | Scg状态信息处理的方法及装置 | |
| CN113973393B (zh) | 随机接入方法、装置、设备及系统 | |
| JP7216745B2 (ja) | 曖昧期間の長さの特定方法、端末及びネットワーク側機器 | |
| HK40118105A (zh) | 随机接入方法、装置、终端及网络侧设备 | |
| WO2021159957A1 (zh) | 一种数据传输处理方法、装置及存储介质 | |
| EP4426050A1 (en) | Information reporting method, terminal device, and network side device | |
| WO2019174586A1 (zh) | 随机接入方法及装置 | |
| RU2787775C1 (ru) | Способ беспроводной связи для управления мобильностью | |
| WO2024045923A1 (zh) | 一种随机接入报告记录方法以及通信装置 | |
| WO2025167954A1 (zh) | 定时提前量的获取方法、设备及存储介质 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 23839059 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2023839059 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 202527000002 Country of ref document: IN |
|
| WWE | Wipo information: entry into national phase |
Ref document number: AU2023306441 Country of ref document: AU |
|
| WWE | Wipo information: entry into national phase |
Ref document number: MX/A/2025/000579 Country of ref document: MX |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2025501843 Country of ref document: JP |
|
| ENP | Entry into the national phase |
Ref document number: 2023306441 Country of ref document: AU Date of ref document: 20230714 Kind code of ref document: A |
|
| ENP | Entry into the national phase |
Ref document number: 2023839059 Country of ref document: EP Effective date: 20241223 |
|
| REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112025000700 Country of ref document: BR |
|
| WWP | Wipo information: published in national office |
Ref document number: MX/A/2025/000579 Country of ref document: MX |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 11202500260P Country of ref document: SG |
|
| WWP | Wipo information: published in national office |
Ref document number: 11202500260P Country of ref document: SG |
|
| WWP | Wipo information: published in national office |
Ref document number: 2023839059 Country of ref document: EP |
|
| ENP | Entry into the national phase |
Ref document number: 112025000700 Country of ref document: BR Kind code of ref document: A2 Effective date: 20250114 |