WO2020151662A1 - 接入控制信令的发送、处理方法及装置 - Google Patents
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- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
- H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
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Definitions
- This application relates to the field of communications, and specifically to a method and device for sending and processing access control signaling.
- the 3GPP standards organization has formulated two very representative communication standard protocols, MTC (Machine Type Communication) and NB-IoT (Narrow Band Internet of Things, Narrowband Internet of Things).
- MTC Machine Type Communication
- NB-IoT Near Band Internet of Things
- 5G NR New Radio
- the terminal enters the RRC idle state (Radio Resource Control IDLE, RRC_IDLE for short, and the Chinese name is the radio resource control idle state) when there is no data to send or receive, thereby saving the power consumption of the terminal.
- RRC idle state Radio Resource Control IDLE, RRC_IDLE for short, and the Chinese name is the radio resource control idle state
- the terminal needs to enter the RRC connection state (Radio Resource Control CONNECT, RRC-CONNECT, the Chinese name is radio resource control connection state) from the RRC idle state before sending or receiving data, and then perform data Send or receive.
- RRC connection state Radio Resource Control CONNECT, RRC-CONNECT, the Chinese name is radio resource control connection state
- RRC connection state Radio Resource Control CONNECT, RRC-CONNECT, the Chinese name is radio resource control connection state
- the embodiment of the present invention provides a method and device for sending and processing access control signaling to at least solve the problem that the terminal needs to enter the RRC connected state from the RRC idle state when sending or receiving data in related technologies, and a large amount of functions are generated on the terminal side. The problem of consuming resources at the same time.
- a method for sending access control signaling including: a base station sends indication information to a user equipment UE through a downlink control channel in a search space; wherein the indication information is used to indicate triggering Random access procedure based on contention or random access procedure based on non-contention.
- the indication information includes: hybrid automatic repeat request response information HARQ-ACK for the UE to send data on the uplink channel.
- the method further includes: the search space is included in a first set, wherein the first set includes one or more of the search spaces.
- the search space is located in a second set, where the second set is a subset of the first set; the second set is configured by the base station for the UE, or, in advance Configured in the base station and the UE.
- the transmission period of the search space in the second set is N times the configuration period of the search space in the first set, where N is not less than 1.
- P search spaces after M search spaces in the first set are used as search spaces in the second set, where M and P are natural numbers.
- the base station does not detect the data sent by the UE on the uplink channel corresponding to each of the M search spaces.
- the base station when it is detected that data sent by the UE exists on the uplink channel corresponding to the search space, the base station sends the indication information to the UE through the downlink control channel in the search space .
- the indication information also includes the non-contention The location information of the random access channel allocated in the random access process in the random access channel resource set; wherein the location information is used to indicate at least one of the following: allocation in the non-competitive random access process
- the random access channel of is located in the set of random access channel resources, and is the Qth random access channel after the indication information; the random access channel allocated in the non-competitive random access procedure is located at In the set of random access channel resources, it is the Rth random access channel before the next uplink channel resource at the same time; wherein, Q and R are positive integers.
- a method for processing access control signaling is provided.
- User equipment UE receives indication information sent by a base station on a downlink control channel in a search space; wherein the indication information is used to indicate triggering A contention-based random access process or a non-contention-based random access process; the UE determines according to the indication information to send contention-based random access signaling, or send non-contention-based random access signaling.
- the indication information includes: hybrid automatic repeat request response information HARQ-ACK of the data sent by the UE on the uplink channel.
- the search space is included in a first set, wherein the first set includes one or more search spaces.
- the method further includes: the UE detects the indication information on a downlink control channel in a search space in a second set; wherein, the second set is a subset of the first set ;
- the second set is configured by the base station for the UE, or pre-configured in the base station and the UE.
- the transmission period of the search space in the second set is N times the configuration period of the search space in the first set, where N is not less than 1.
- P search spaces after M search spaces in the first set are used as search spaces in the second set, where M and P are natural numbers.
- the UE does not send data on an uplink channel corresponding to each of the M search spaces.
- the method further includes: the UE sends data on an uplink channel corresponding to the search space in which the indication information sent by the base station is received.
- the method further includes: when the first condition is met, the UE according to the random access procedure sent by the base station The first operation is performed in the response message; wherein, the first condition includes at least one of the following: the HARQ-ACK information in the indication message is ACK; the field in the uplink resource grant information in the random access response message The value of is a first value set; wherein, the first operation includes at least one of the following: the UE detects the downlink control channel in the search space; the UE is in the current uplink channel Then send data on the upstream channel.
- the UE detecting the downlink control channel in the search space includes: the UE detecting the downlink control channel in the search space within a first time window, wherein the first The length of the time window and the start time of the first time window are configured by the base station for the UE or pre-configured in the base station and the UE; or, the UE detects all the items in the search space.
- the downlink control channel expires until the detection time of the search space.
- the method further includes: when a second condition is met, the UE according to the random access signal sent by the base station The incoming response message performs the second operation; wherein, the second condition includes at least one of the following: the HARQ-ACK information in the indication message is NACK; the random access response message sent by the base station includes uplink resource grant Information; wherein, the second operation includes at least one of the following: the UE sends data on an uplink channel after the current uplink channel; or, the UE performs an uplink in the random access response message Data is sent on the uplink channel indicated by the resource grant information.
- the method further includes: the UE detects the downlink control channel in the search space in a second time window, wherein the length of the second time window and the start of the second time window The starting time is configured by the base station for the UE or pre-configured in the base station and the UE; or, the UE detects the downlink control channel in the search space until the detection time of the search space expires .
- the method further includes: the UE sends a random access signal on a random access channel.
- the UE when the UE triggers a non-contention based random access procedure according to the indication information, and the UE sends data on the uplink channel indicated by the uplink resource grant information in the received random access response message At this time, the UE sends, on the downlink channel in the search space, HARQ-ACK information for sending data on the uplink channel indicated by the uplink resource grant information in the random access response message.
- the UE when the indication information indicates that a non-contention-based random access procedure is triggered, the UE sends non-contention-based random access signaling on a random access channel, wherein the random access channel
- the location information is configured in the indication information, and the location information is used to indicate at least one of the following: the random access channel allocated in the non-contention random access procedure is located in the random access channel resource set, and Is the Qth random access channel after the indication information; the random access channel allocated in the non-competitive random access procedure is located in the random access channel resource set, and is also before the next uplink channel resource
- the method further includes at least one of the following: the UE sends a random access signal on a random access channel; The UE returns to the RRC_IDLE state; the UE proposes an uplink transmission mode; the UE releases uplink channel resources and/or search space resources for uplink transmission.
- a device for sending access control signaling which is located in a base station, and includes: a sending module for sending indication information to user equipment UE through a downlink control channel in a search space; wherein, The indication information is used to indicate the triggering of a contention-based random access procedure or a non-contention-based random access procedure.
- an apparatus for processing access control signaling which is located in user equipment UE, and includes: a receiving module configured to receive indication information sent by a base station on a downlink control channel in a search space; The indication information is used to indicate the triggering of a contention-based random access process or a non-contention-based random access process; the processing module is configured to determine to send contention-based random access signaling according to the indication information, or, Send random access signaling based on non-contention.
- a storage medium in which a computer program is stored, wherein the computer program is configured to execute the steps in any one of the foregoing method embodiments when running.
- an electronic device including a memory and a processor, the memory is stored with a computer program, and the processor is configured to run the computer program to execute any of the above Steps in the method embodiment.
- the indication information that triggers the random access process is sent on the downlink control channel in the search space, the restriction that the UE needs to enter the RRC connected state from the RRC idle state when transmitting and receiving data is eliminated, and it can be solved When sending or receiving data, the terminal needs to enter the RRC connected state from the RRC idle state, which generates a large amount of power consumption and consumes resources on the terminal side, which saves the loss of the UE, system resources, and improves data transmission efficiency.
- Fig. 1 is a flowchart of a method for sending access control signaling according to an embodiment of the present invention
- Figure 2 is a flowchart of a method for sending access control signaling according to an embodiment of the present invention
- Fig. 3 is a schematic diagram of a time domain configuration of uplink transmission configuration information according to an embodiment of the present invention.
- FIG. 4 is a schematic diagram of another time domain configuration of uplink transmission configuration information according to an embodiment of the present invention.
- Fig. 5 is a structural block diagram of an apparatus for sending access control signaling according to an embodiment of the present invention.
- Fig. 6 is a structural block diagram of an apparatus for processing access control signaling according to an embodiment of the present invention.
- FIG. 1 is a flowchart of a method for sending access control signaling according to an embodiment of the present invention. As shown in FIG. 1, the process includes The following steps:
- Step S102 The base station sends indication information to a user equipment (User Equipment, UE) through a downlink control channel in the search space; wherein the indication information is used to indicate the triggering of a contention-based random access procedure or a non-contention-based random access Process.
- UE User Equipment
- the base station needs to configure uplink transmission resources for the UE.
- the resource includes: configuration information of the uplink channel resource and configuration information of the downlink control channel search space.
- one search space corresponds to at least one of the uplink channel resources.
- the information carried on the downlink control channel includes Downlink Control Information (DCI).
- DCI Downlink Control Information
- the indication information needs to be carried on the DCI.
- the configuration information of the uplink channel resource includes: physical random access channel (Physical Random Access Channel, PRACH for short) configuration information.
- Physical Random Access Channel Physical Random Access Channel, PRACH for short
- the physical random access channel configuration information includes at least one of the following: configuration information of time-frequency resources occupied by the physical random access channel; configuration information of the random access signal sent on the physical random access channel;
- the uplink transmission can be understood as sending uplink data when a random access signal is sent, or the uplink transmission can be regarded as Transmission of random access signal carrying uplink data in 5G NR (New Radio) system
- the indication information includes: Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) for the UE to send data on the uplink channel.
- HARQ-ACK Hybrid Automatic Repeat Request Acknowledgement
- the method further includes: the search space is included in a first set, wherein the first set includes one or more of the search spaces.
- the first set is indicated by configuring search space configuration information in resources for uplink transmission for the UE.
- the search space is located in a second set, where the second set is a subset of the first set; the second set is configured by the base station for the UE, or, in advance Configured in the base station and the UE.
- the transmission period of the search space in the second set is N times the configuration period of the search space in the first set, where N is not less than 1.
- P search spaces after M search spaces in the first set are used as search spaces in the second set, where M and P are natural numbers.
- the base station does not detect the data sent by the UE on the uplink channel corresponding to each of the M search spaces.
- the following two indications are provided to indicate the triggering of the contention-based random access process or the non-contention-based random access process.
- the random access sequence index information is configured in the indication information, and the random access sequence index information is used to instruct the terminal to initiate a non-contention-based random access process or a contention-based random access process. For example, when the random access sequence index is 0, the terminal is instructed to initiate a contention-based random access process; when the random access sequence index is not 0, the terminal is instructed to initiate non-contention-based random access.
- the random access sequence used is the random access sequence indicated by the random access sequence index; wherein, the downlink channel is a downlink control channel.
- the indication information is a physical downlink control channel order (Physical Downlink Control Channel order, PDCCH order), that is, a DCI transmission format used to trigger random access.
- PDCCH order Physical Downlink Control Channel order
- the index information of the random access channel is configured in the indication information, and the index information of the random access channel is used to instruct the terminal to initiate a non-contention-based random access process or a contention-based random access process. For example, when the index information of the random access channel is 0, the terminal is instructed to initiate a contention-based random access process; when the index of the random access channel is not 0, the terminal is instructed to initiate a non-contention-based Random access process, and the resource of the random access channel used is indicated by the index of the random access channel. Similar to mode one, the downlink channel is a downlink control channel.
- the indication information is PDCCH order.
- the base station when it is detected that data sent by the UE exists on the uplink channel corresponding to the search space, the base station sends the indication information to the UE through the downlink control channel in the search space .
- the indication information also includes the non-contention The location information of the random access channel allocated in the random access process in the random access channel resource set; wherein the location information is used to indicate at least one of the following: allocation in the non-competitive random access process
- the random access channel of is located in the set of random access channel resources, and is the Qth random access channel after the indication information; the random access channel allocated in the non-competitive random access procedure is located at In the set of random access channel resources, it is the Rth random access channel before the next uplink channel resource at the same time; wherein, Q and R are positive integers.
- the uplink channel resource refers to the resource configured for uplink transmission by the base station described above in order to support the UE to send data in the RRC IDLE state.
- the method according to the above embodiment can be implemented by means of software plus the necessary general hardware platform, of course, it can also be implemented by hardware, but in many cases the former is Better implementation.
- the technical solution of this application essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal device (which can be a mobile phone, a computer, a server, or a network device, etc.) execute the methods described in the various embodiments of the present application.
- FIG. 2 is a flowchart of a method for sending access control signaling according to an embodiment of the present invention. As shown in FIG. 2, the process includes The following steps:
- Step S202 the user equipment UE receives the indication information sent by the base station on the downlink control channel in the search space; wherein the indication information is used to indicate the triggering of a contention-based random access process or a non-contention-based random access process;
- Step S204 The UE determines to send contention-based random access signaling, or sends non-contention-based random access signaling according to the indication information.
- the indication information includes: hybrid automatic repeat request response information HARQ-ACK of the data sent by the UE on the uplink channel.
- the search space is included in a first set, wherein the first set includes one or more search spaces.
- the method further includes: the UE detects the indication information on a downlink control channel in a search space in a second set; wherein, the second set is a subset of the first set ;
- the second set is configured by the base station for the UE, or pre-configured in the base station and the UE.
- the transmission period of the search space in the second set is N times the configuration period of the search space in the first set, where N is not less than 1.
- P search spaces after M search spaces in the first set are used as search spaces in the second set, where M and P are natural numbers.
- the UE does not send data on an uplink channel corresponding to each of the M search spaces.
- the method further includes: the UE sends data on an uplink channel corresponding to the search space in which the indication information sent by the base station is received.
- the method further includes: when the first condition is met, the UE according to the random access procedure sent by the base station The first operation is performed in the response message; wherein, the first condition includes at least one of the following: the HARQ-ACK information in the indication message is ACK; the field in the uplink resource grant information in the random access response message The value of is a first value set; wherein, the first operation includes at least one of the following: the UE detects the downlink control channel in the search space; the UE is in the current uplink channel Then send data on the upstream channel.
- the uplink resource grant information also includes necessary configuration information for uplink transmission.
- the field here may be resource allocation information for uplink transmission
- the first value set may be a value corresponding to the resource resource allocation for invalid uplink transmission.
- the UE detecting the downlink control channel in the search space includes: the UE detecting the downlink control channel in the search space within a first time window, wherein the first The length of the time window and the start time of the first time window are configured by the base station for the UE or pre-configured in the base station and the UE; or, the UE detects all the items in the search space.
- the downlink control channel expires until the detection time of the search space.
- the method further includes: when a second condition is met, the UE according to the random access signal sent by the base station The incoming response message performs the second operation; wherein, the second condition includes at least one of the following: the HARQ-ACK information in the indication message is NACK; the random access response message sent by the base station includes uplink resource grant Information; wherein, the second operation includes at least one of the following: the UE sends data on an uplink channel after the current uplink channel; or, the UE performs an uplink in the random access response message Data is sent on the uplink channel indicated by the resource grant information.
- the uplink channel after the current uplink channel is the resource for the base station to configure the uplink transmission for the UE to support the terminal UE to send data in the RRC_IDLE state.
- the uplink data is the retransmission data of the uplink data corresponding to the NACK information, that is, the value of the uplink resource grant information is valid, and the UE can use the resource.
- the value of the transmission block size (Transmission Block Size, TBS) corresponding to the data sent in the second operation is the TBS corresponding to the resource configured by the base station to support the UE to send data in the RRC_IDLE state for the UE to configure uplink transmission.
- TBS Transmission Block Size
- the method further includes: the UE detects the downlink control channel in the search space in a second time window, wherein the length of the second time window and the start of the second time window The starting time is configured by the base station for the UE or pre-configured in the base station and the UE; or, the UE detects the downlink control channel in the search space until the detection time of the search space expires .
- the method further includes: the UE sends a random access signal on a random access channel.
- the UE sending a random access signal on the random access channel means that the UE initiates a random access procedure.
- the UE when the UE triggers a non-contention based random access procedure according to the indication information, and the UE sends data on the uplink channel indicated by the uplink resource grant information in the received random access response message At this time, the UE sends, on the downlink channel in the search space, HARQ-ACK information for sending data on the uplink channel indicated by the uplink resource grant information in the random access response message.
- the UE when the indication information indicates that a non-contention-based random access procedure is triggered, the UE sends non-contention-based random access signaling on a random access channel, wherein the random access channel
- the location information is configured in the indication information, and the location information is used to indicate at least one of the following: the random access channel allocated in the non-contention random access procedure is located in the random access channel resource set, and Is the Qth random access channel after the indication information; the random access channel allocated in the non-competitive random access procedure is located in the random access channel resource set, and is also before the next uplink channel resource
- the method further includes at least one of the following: the UE sends a random access signal on a random access channel; The UE returns to the RRC_IDLE state; the UE proposes an uplink transmission mode; the UE releases uplink channel resources and/or search space resources for uplink transmission.
- the base station sends uplink transmission configuration information to the UE, where the uplink channel configuration information includes: configuration information of uplink channel resources; configuration information of downlink control channel search space;
- the uplink transmission configuration information is used to support the data transmission of the UE in the RRC_IDLE state.
- the configuration information of the uplink channel resource indicates the position information of a group of uplink channel resources.
- FIG. 3 is a schematic diagram of a time domain configuration of uplink transmission configuration information according to an embodiment of the present invention. As shown in FIG. 3, the configuration period of the uplink channel resource is 1 hour, and the amount of paranoia of the uplink channel resource time domain position within the configuration period is 10 minutes. Figure 3 shows a schematic diagram of the positions of 24 uplink channel resources within 24 hours, with numbers from "uplink channel resource 1" to "uplink channel resource 24".
- the configuration information of the downlink control channel search space is a downlink control channel search space dedicated to the UE, and the search space includes at least one downlink control channel transmission resource set (also referred to as a transmission opportunity).
- Downlink Control Information (DCI) is carried on the downlink control channel and sent.
- Each uplink channel resource corresponds to a downlink control channel search space.
- FIG. 4 is a schematic diagram of another time domain configuration of uplink transmission configuration information according to an embodiment of the present invention. As shown in Figure 4, the downlink control channel search space corresponding to the uplink channel resource with index 1 is search space 1.
- time Domain interval 1 There is a time domain interval between the start time of search space 1 and the end time of uplink channel resource 1, which is defined as time Domain interval 1; and so on, the downlink control channel search space corresponding to the uplink channel resource with index 24 is search space 24, and there is a time domain interval between the start time of search space 24 and the end time of uplink channel resource 24, which defines The time domain interval is 24.
- the UE sends data on the uplink channel resource 1, and the base station can send the PDCCH Order on the search space 1.
- the HARQ-ACK information is NACK, which means that the data transmission on the uplink channel resource 1 has failed.
- the index information of the random access channel is 0, which means that the UE is instructed to initiate a contention-based random access procedure.
- the UE does not send data on the uplink channel resource 2, and the base station will not send the PDCCH Order on the search space 2.
- the base station can select part or all of the search spaces from the 24 search spaces to send PDCCH Order.
- the configuration period of the search space in which the base station can send PDCCH Order is 4 times the configuration period of the search space, then search space 1. 5, 9, 13, 17, and 21 can be used to send PDCCH order.
- the UE detects the PDCCH order on the downlink control channels in search spaces 1, 5, 9, 13, 17, and 21.
- the base station When the base station detects that no data sent by the UE is received on the m uplink channels, the base station can send the PDCCH Order on the search space corresponding to the next p uplink channels.
- the UE detects the PDCCH Order sent by the base station in the search space corresponding to the p uplink channels after the m uplink channels without sending data.
- the UE sends data on uplink channel resource 1, and the base station sends PDCCH Order on search space 1.
- the PDCCH order includes the index information of the random access channel and the HARQ-ACK information for the data sent on the uplink channel resources.
- the index information of the random access channel is 1, which instructs the terminal to initiate a non-contention-based random access process.
- the HARQ-ACK information for the data sent on the uplink channel resource 1 is ACK, which means that the data sent by the UE on the uplink channel resource 1 has been successfully received by the base station.
- the UE sends a random access channel preamble (Physical Random Access Channel Preamble, PRACH Preamble, also known as Msg1) on the random access channel with index information 1.
- the base station will send the random access channel preamble after receiving Msg1.
- An access response message (Random Access Response, also called Msg2) is sent to the UE.
- Msg2 Random Access Response
- the UE After receiving Msg2, the UE performs at least one of the following operations:
- the UE continues to detect the downlink control channel in the search space 1; if the search space 1 times out, the terminal sends data on the uplink channel resource 2 after the uplink channel resource 2 arrives. or
- the terminal After the terminal arrives at the uplink channel resource 2 time, it sends data on the uplink channel resource 2.
- the detection duration is configured by the base station or the default configuration or until search space 1 times out.
- the UE sends data on uplink channel resource 1, and the base station sends PDCCH Order on search space 1.
- the PDCCH order includes the index information of the random access channel and the HARQ-ACK information for the data sent on the uplink channel resources.
- the index information of the random access channel is 1, which instructs the terminal to initiate a non-contention-based random access process.
- the HARQ-ACK information for the data sent on the uplink channel resource 1 is NACK, which means that the data sent by the UE on the uplink channel resource 1 has not been successfully received by the base station.
- the UE sends a random access channel preamble signal Msg1 on a random access channel with index information 1, and the base station will send a random access response message Msg2 to the UE after receiving Msg1.
- the terminal sends the retransmission data of the data sent on the uplink channel resource 1 on the uplink channel resource 2 after the uplink channel resource 2 arrives.
- the terminal sends the retransmission data of the data sent on the uplink channel resource 1 on the uplink channel resource indicated by the UL grant.
- the UE sends data on uplink channel resource 1, and the base station sends PDCCH Order on search space 1.
- the PDCCH order includes the index information of the random access channel and the HARQ-ACK information for the data sent on the uplink channel resources.
- the index information of the random access channel is 1, which instructs the terminal to initiate a non-contention-based random access process.
- the HARQ-ACK information for the data sent on the uplink channel resource 1 is NACK, which means that the data sent by the UE on the uplink channel resource 1 has not been successfully received by the base station.
- the UE sends a random access channel preamble signal Msg1 on a random access channel with index information 1, and the base station will send a random access response message Msg2 to the UE after receiving Msg1.
- the terminal After the UE receives the Msg2, if the base station configures valid uplink transmission information on the UL grant in the Msg2, the terminal sends the retransmission data of the data sent on the uplink channel resource 1 on the uplink channel resource indicated by the UL grant.
- the UE After the UE receives the ACK information of the retransmission data of the base station for the uplink channel resource 1, it performs at least one of the following operations:
- the UE continues to detect the downlink control channel in the search space 1; if the search space 1 times out, the terminal sends data on the uplink channel resource 2 after the uplink channel resource 2 arrives.
- the terminal After the terminal arrives at the uplink channel resource 2 time, it sends data on the uplink channel resource 2.
- the detection duration is configured by the base station or the default configuration or until search space 1 times out.
- the UE After the UE receives the NACK information of the retransmission data of the base station for the uplink channel resource 1, the UE sends a random access signal on the random access channel to initiate a random access procedure.
- a device for sending access control signaling is also provided, which is used to implement the above-mentioned embodiments and preferred implementations, and what has been described will not be repeated.
- the term "module” can implement a combination of software and/or hardware with predetermined functions.
- the devices described in the following embodiments are preferably implemented by software, hardware or a combination of software and hardware is also possible and conceived.
- Fig. 5 is a structural block diagram of a device for sending access control signaling according to an embodiment of the present invention. As shown in Fig. 5, located in a base station, the device includes:
- the sending module 52 is configured to send indication information to the user equipment UE through the downlink control channel in the search space; wherein the indication information is used to indicate the triggering of a contention-based random access process or a non-contention-based random access process.
- each of the above modules can be implemented by software or hardware.
- it can be implemented in the following manner, but not limited to this: the above modules are all located in the same processor; or, the above modules are combined in any combination The forms are located in different processors.
- an apparatus for processing access control signaling is also provided.
- the apparatus is used to implement the above-mentioned embodiments and preferred implementations, and what has been described will not be repeated.
- the term "module" can implement a combination of software and/or hardware with predetermined functions.
- the devices described in the following embodiments are preferably implemented by software, hardware or a combination of software and hardware is also possible and conceived.
- Fig. 6 is a structural block diagram of an apparatus for processing access control signaling according to an embodiment of the present invention. As shown in Fig. 6, located in a UE, the apparatus includes:
- the receiving module 62 is configured to receive indication information sent by the base station on the downlink control channel in the search space; wherein the indication information is used to indicate the triggering of a contention-based random access process or a non-contention-based random access process;
- the processing module 64 is configured to determine to send contention-based random access signaling, or send non-contention-based random access signaling according to the indication information.
- each of the above modules can be implemented by software or hardware.
- it can be implemented in the following manner, but not limited to this: the above modules are all located in the same processor; or, the above modules are combined in any combination The forms are located in different processors.
- the embodiment of the present application also provides a storage medium in which a computer program is stored, wherein the computer program is configured to execute the steps in any of the foregoing method embodiments when running.
- the foregoing storage medium may be configured to store a computer program for executing the following steps:
- the base station sends indication information to the user equipment UE through the downlink control channel in the search space; wherein the indication information is used to indicate the triggering of a contention-based random access process or a non-contention-based random access process.
- the user equipment UE receives the indication information sent by the base station on the downlink control channel in the search space; wherein the indication information is used to indicate the triggering of a contention-based random access process or a non-contention-based random access process;
- the UE determines to send contention-based random access signaling, or sends non-contention-based random access signaling according to the indication information.
- the foregoing storage medium may include, but is not limited to: U disk, Read-Only Memory (Read-Only Memory, ROM for short), Random Access Memory (Random Access Memory, RAM for short), Various media that can store computer programs such as mobile hard disks, magnetic disks, or optical disks.
- U disk Read-Only Memory
- ROM Read-Only Memory
- RAM Random Access Memory
- Various media that can store computer programs such as mobile hard disks, magnetic disks, or optical disks.
- An embodiment of the present application also provides an electronic device, including a memory and a processor, the memory stores a computer program, and the processor is configured to run the computer program to execute the steps in any one of the foregoing method embodiments.
- the aforementioned electronic device may further include a transmission device and an input-output device, wherein the transmission device is connected to the aforementioned processor, and the input-output device is connected to the aforementioned processor.
- the foregoing processor may be configured to execute the following steps through a computer program:
- the base station sends indication information to the user equipment UE through the downlink control channel in the search space; wherein the indication information is used to indicate the triggering of a contention-based random access process or a non-contention-based random access process.
- the user equipment UE receives the indication information sent by the base station on the downlink control channel in the search space; wherein the indication information is used to indicate the triggering of a contention-based random access process or a non-contention-based random access process;
- the UE determines to send contention-based random access signaling, or sends non-contention-based random access signaling according to the indication information.
- modules or steps of the present application can be implemented by a general computing device, and they can be concentrated on a single computing device or distributed in a network composed of multiple computing devices.
- they can be implemented with program codes executable by the computing device, so that they can be stored in the storage device for execution by the computing device, and in some cases, can be executed in a different order than here.
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Abstract
Description
Claims (29)
- 一种接入控制信令的发送方法,包括:基站通过搜索空间中的下行控制信道向用户设备UE发送指示信息;其中,所述指示信息用于指示触发基于竞争的随机接入流程或触发基于非竞争的随机接入流程。
- 根据权利要求1所述的方法,其中,所述指示信息包括:所述UE在上行信道上发送数据的混合自动重传请求应答信息HARQ-ACK。
- 根据权利要求1所述的方法,还包括:所述搜索空间包含在第一集合中,其中,所述第一集合中包括至少一个搜索空间。
- 根据权利要求3所述的方法,其中,所述搜索空间位于第二集合中,其中,所述第二集合为所述第一集合中的子集合;所述第二集合由所述基站为所述UE配置,或,预先配置在所述基站和所述UE中。
- 根据权利要求4所述的方法,其中,所述第二集合中的搜索空间的发送周期为所述第一集合的搜索空间的配置周期的N倍,其中,N大于或等于1。
- 根据权利要求4或5所述的方法,其中,将所述第一集合中的M个搜索空间之后的P个搜索空间作为所述第二集合中的搜索空间,M,P为自然数。
- 根据权利要求6所述的方法,其中,所述基站在所述M个搜索空间中的每个搜索空间对应的上行信道上未检测到所述UE发送的数据。
- 根据权利要求1所述的方法,其中,在检测到在所述搜索空间对应的上行信道上存在所述UE发送的数据的情况下,所述基站通过所述搜索空间中的下行控制信道向所述UE发送所述指示信息。
- 根据权利要求1所述的方法,其中,在基站通过搜索空间中的下行控制信道向用户设备UE发送指示信息,以及所述指示信息指示触发基于非竞争的随机接入流程的情况下,所述指示信息中还包括所述非竞争的随机接入流程中分配的随机接入信道在随机接入信道资源集合中的位置信息;其中,所述位置信息至少用于指示以下之一:所述非竞争的随机接入流程中分配的随机接入信道位于所述随机接入信道资源集合中,且为所述指示信息之后的第Q个随机接入信道;所述非竞争的随机接入流程中分配的随机接入信道位于所述随机接入信道资源集合中,且为下一个上行信道资源之前的第R个随机接入信道;其中,Q,R为正整数。
- 一种接入控制信令的处理方法,包括:用户设备UE在搜索空间中的下行控制信道上接收基站发送的指示信息;其中,所述指示信息用于指示触发基于竞争的随机接入流程或触发基于非竞争的随机接入流程;所述UE根据所述指示信息确定发送基于竞争的随机接入信令,或,发送基于非竞争的随机接入信令。
- 根据权利要求10所述的方法,其中,所述指示信息包括:所述UE在上行信道上发送的数据的混合自动重传请求应答信息HARQ-ACK。
- 根据权利要求11所述的方法,其中,所述搜索空间包含在第一集合中,其中,所述第一集合中包括至少一个搜索空间。
- 根据权利要求12所述的方法,还包括:所述UE在第二集合内的搜索空间中的下行控制信道上检测所述指示信息;其中,所述第二集合为所述第一集合中的子集合;所述第二集合由所述基站为所述UE配置,或,预先配置在所述基站和所述UE中。
- 根据权利要求13所述的方法,其中,所述第二集合中的搜索空间的发送周期为所述第一集合的搜索空间的配置周期的N倍,其中,N大于或等于1。
- 根据权利要求13或14所述的方法,其中,将所述第一集合中的M个搜索空间之后的P个搜索空间作为所述第二集合中的搜索空间,M,P为自然数。
- 根据权利要求15所述的方法,其中,所述UE在所述M个搜索空间中的每个搜索空间对应的上行信道上未发送数据。
- 根据权利要求10所述的方法,还包括:所述UE在接收到基站发送的指示信息的搜索空间对应的上行信道上发送数据。
- 根据权利要求10或11所述的方法,在所述UE根据所述指示信息确定发送基于非竞争的随机接入流程的情况下,还包括:在满足第一条件的情况下,所述UE根据所述基站发送的随机接入响应消息执行第一操作;其中,所述第一条件包括以下至少之一:所述指示消息中的HARQ-ACK信息为肯定应答ACK;所述随机接入响应消息中的上行资源授予信息中的域的取值为第一取值集合;其中,所述第一操作包括以下至少之一:所述UE检测所述搜索空间中的所述下行控制信道;所述UE在当前的所述上行信道之后的上行信道上发送数据。
- 根据权利要求18所述的方法,其中,所述UE检测所述搜索空间中的所述下行控制信道,包括:所述UE在第一时间窗内检测所述搜索空间中的所述下行控制信道,其中,所述第一时间窗的长度以及所述第一时间窗的起始时刻由所述基站为所述UE配置或预先配置在所述基站和所述UE中;或,所述UE检测所述搜索空间中的所述下行控制信道直到所述搜索空间的检测时间超过预设阈值。
- 根据权利要求10或者11所述的方法,在所述UE根据所述指示信息确定发送基于非竞争的随机接入信令的情况下,还包括:在满足第二条件的情况下,所述UE根据所述基站发送的随机接入响应消息执行第二操作;其中,所述第二条件包括以下至少之一:所述指示消息中的HARQ-ACK信息为NACK;所述基站发送的随机接入响应消息中包括上行资源授予信息;其中,所述第二操作包括以下至少之一:所述UE在当前的所述上行信道之后的上行信道上发送数据;所述UE在所述随机接入响应消息中的上行资源授予信息指示的上行信道上发送数据。
- 根据权利要求20所述的方法,在所述第二操作为所述UE在所述随机接入响应消息中的上行资源授予信息指示的上行信道上发送数据,且接收到所述基站针对所述第二操作反馈的ACK信息后,还包括:所述UE在第二时间窗内检测所述搜索空间中的所述下行控制信道,其中,所述第二时间窗的长度以及所述第二时间窗的起始时刻由所述基站为所述UE配置或预先配置在所述基站和所述UE中;或,所述UE检测所述搜索空间中的所述下行控制信道直到所述搜索空间的检测时间超时。
- 根据权利要求20所述的方法,在所述第二操作为所述UE在所述随机接入响应消息中的上行资源授予信息指示的上行信道上发送数据,且接收到所述基站针对所述第二操作反馈的NACK信息后,还包括:所述UE在随机接入信道上发送随机接入信号。
- 根据权利要求10或11所述的方法,其中,在所述UE根据所述指示信息触发基于非竞争的随机接入流程,且所述UE在接收到的随机接入响应消息中的上行资源授予信息指示的上行信道上发送数据的情况下,所述UE在所述搜索空间中的所述下行信道上发送针对在所述随机接入响应消息中的所述上行资源授予信息指示的上行信道上发送数据的HARQ-ACK信息。
- 根据权利要求10所述的方法,其中,在所述指示信息指示触发基于非竞争的随机接入流程的情况下,所述UE在随机接入信道上发送基于非竞争的随机接入信令,其中,所述随机接入信道的位置信息在所述指示信息中配置,所述位置信息用于指示以下至少之一:所述非竞争的随机接入流程中分配的随机接入信道位于所述随机接入信道资源集合中,同时为所述指示信息之后的第Q个随机接入信道;所述非竞争的随机接入流程中分配的随机接入信道位于所述随机接入信道资源集合中,同时为下一个上行信道资源之前的第R个随机接入信道;其中,Q,R为正整数。
- 根据权利要求10所述的方法,在UE在搜索空间中的下行控制信道上接收基站发送的指示信息之后,还包括以下至少之一:所述UE在随机接入信道上发送随机接入信号;所述UE回退到无线资源控制空闲状态RRC_IDLE状态;所述UE提出上行传输模式;所述UE将上行传输的上行信道资源和搜索空间资源中的至少之一释放。
- 一种接入控制信令的发送装置,位于基站中,包括:发送模块,设置为通过搜索空间中的下行控制信道向用户设备UE发送指示信息;其中,所述指示信息用于指示触发基于竞争的随机接入流程或触发基于非竞争的随机接入流程。
- 一种接入控制信令的处理装置,位于用户设备UE中,包括接收模块和处理模块;所述接收模块,设置为在搜索空间中的下行控制信道上接收基站发送的指示信息;其中,所述指示信息用于指示触发基于竞争的随机接入流程或触发基于非竞争的随机接入流程;所述处理模块,设置为根据所述指示信息确定发送基于竞争的随机接入信令,或,发送基于非竞争的随机接入信令。
- 一种存储介质,所述存储介质中存储有计算机程序,所述计算机程序被设置为运行时执行所述权利要求1-9,10-25任一项中所述的方法。
- 一种电子装置,包括存储器和处理器,所述存储器中存储有计算机程序,所述处理器被设置为运行所述计算机程序以执行所述权利要求1-9,10-25任一项中所述的方法。
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