CN113939006A - Method and equipment for reporting timing advance of terminal - Google Patents
Method and equipment for reporting timing advance of terminal Download PDFInfo
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- CN113939006A CN113939006A CN202111131509.6A CN202111131509A CN113939006A CN 113939006 A CN113939006 A CN 113939006A CN 202111131509 A CN202111131509 A CN 202111131509A CN 113939006 A CN113939006 A CN 113939006A
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- 238000000034 method Methods 0.000 title claims abstract description 98
- 230000011664 signaling Effects 0.000 claims abstract description 75
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000010295 mobile communication Methods 0.000 claims abstract description 6
- 238000004590 computer program Methods 0.000 claims description 14
- 230000003213 activating effect Effects 0.000 claims description 9
- 230000006870 function Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 6
- 230000004913 activation Effects 0.000 description 3
- 230000009849 deactivation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002860 competitive effect Effects 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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Abstract
The application discloses a method for reporting a terminal in advance at regular time, which comprises the following steps: configuration information used for indicating the format of the timing advance report request signaling and the mode of transmitting the timing advance; the timing advance reporting request signaling is used for triggering and transmitting the timing advance; and transmitting the timing advance in a corresponding resource according to the mode of transmitting the timing advance. The application also includes a device applying the method. The method and the device solve the problem that the uplink transmission efficiency of the existing method and equipment is low, and are particularly suitable for mobile communication networks.
Description
Technical Field
The present application relates to the field of mobile communications technologies, and in particular, to a method and a device for reporting a terminal timing advance.
Background
In a non-terrestrial network (NTN) communication scenario, a terminal needs to estimate a timing advance according to satellite ephemeris information and the like to compensate for an uplink timing advance, thereby implementing uplink timing synchronization. The total timing advance at the terminal side currently contains the timing advance determined by the terminal according to the estimated transmission delay between the terminal and the satellite. If the base station does not know the timing advance, when the base station schedules the uplink transmission resource for the terminal, the base station refers to the farthest terminal in the coverage to determine the time interval between the downlink scheduling signaling and the uplink transmission resource, that is, the time interval needs to meet the requirement of the uplink timing advance of the farthest terminal. However, in practice, the timing advance compensated by the farthest terminal and the nearest terminal in the coverage may differ by tens of ms, which reduces the uplink transmission efficiency of the terminal.
Disclosure of Invention
The application provides a method and equipment for reporting a terminal in advance at a fixed time, solves the problem that the uplink transmission efficiency of the existing method and equipment is low, and is particularly suitable for a mobile communication network.
In a first aspect, the present application provides a method for reporting a terminal timing advance, including the following steps: and the configuration information is used for indicating the format of the timing advance report request signaling and the mode of transmitting the timing advance. And the timing advance reporting request signaling is used for triggering and transmitting the timing advance. And transmitting the timing advance in a corresponding resource according to the mode of transmitting the timing advance.
Further, the format of the timing advance report request signaling includes at least one of the following: utilizing a reserved bit in the existing DCI to indicate whether a terminal is requested to report the timing advance; designing a high-level RRC request signaling or MAC CE request terminal to report the timing advance; and requesting the terminal to report the timing advance by using the RACH resource grouping implicit indication.
Further, the manner of transmitting the timing advance at least comprises one of the following: after the timing advance report request signaling is transmitted, transmitting the timing advance by using the next available PUSCH; and after the timing advance report request signaling is transmitted, transmitting the timing advance through an RACH flow.
Further, the configuration information includes a manner of activating or deactivating the transmission timing advance.
Further, the configuration information includes activating or deactivating the timing advance report request signaling.
Preferably, the configuration information includes protocol appointment content and base station high-level configuration signaling content.
Preferably, if the existing DCI is DCI format 1_0 triggering RACH, the terminal is instructed by using a reserved bit to report only the timing advance, or report the timing advance and the RRC reestablishment request simultaneously.
Preferably, the step of transmitting the timing advance through the RACH procedure further includes: and transmitting the timing advance by using Msg3 or Msg5 in a 4-step RACH flow, or transmitting the timing advance by using MsgA in a 2-step RACH flow.
The method according to any one of the embodiments of the first aspect of the present application, for a network device, includes the following steps: acquiring and sending the configuration information; sending the timing advance reporting request signaling; and receiving the timing advance on the corresponding resource according to the mode of transmitting the timing advance indicated in the configuration information.
The method according to any one of the embodiments of the first aspect of the present application, applied to a terminal device, includes the following steps: acquiring the configuration information; receiving the timing advance reporting request signaling; and sending the timing advance on the corresponding resource according to the mode of transmitting the timing advance indicated in the configuration information.
In a second aspect, the present application further provides a network device, where, with the method in any of the first aspects of the present application, the terminal reports to at least one module in the network device in advance, where the at least one module is configured to perform at least one of the following functions: for obtaining and sending configuration information; used for sending the timing advance to report the request signaling; for receiving a timing advance.
In a third aspect, the present application further provides a terminal device, where, by using the method in any one of the first aspects of the present application, the terminal periodically reports in advance to at least one module in the terminal device, where the at least one module is configured to perform at least one of the following functions: for obtaining configuration information; for receiving timing advance request signaling; for transmitting the timing advance.
The present application further proposes a communication device comprising: memory, a processor and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the method according to any one of the embodiments of the first aspect of the application.
The present application also proposes a computer-readable medium on which a computer program is stored, which computer program, when being executed by a processor, carries out the steps of the method according to any one of the embodiments of the first aspect of the present application.
The present application further proposes a mobile communication system comprising at least one network device according to any of the embodiments of the present application and/or at least one terminal device according to any of the embodiments of the present application.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:
the terminal reports the self-compensated timing advance to the base station, and when the network deactivates the terminal to report the timing advance through random access through system information, the network can request the terminal to report the timing advance through a base station request mode in a Radio Resource Control (RRC) connection state. The method can support the function that the terminal requests to report TA (timing advance) based on the base station in the RRC connection state, and the base station further schedules the uplink transmission of the terminal based on the TA reported by the terminal, thereby improving the uplink transmission efficiency of the terminal.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1(a) is a flow chart of an embodiment of the method of the present application;
fig. 1(b) is a schematic diagram of a transmission timing advance method according to an embodiment of the present invention;
fig. 1(c) is a schematic diagram of another transmission timing advance method according to an embodiment of the present application;
FIG. 2 is a flow chart of an embodiment of the method of the present application for a network device;
FIG. 3 is a flowchart of an embodiment of a method of the present application for a terminal device;
FIG. 4 is a schematic diagram of an embodiment of a network device;
FIG. 5 is a schematic diagram of an embodiment of a terminal device;
fig. 6 is a schematic structural diagram of a network device according to another embodiment of the present invention;
fig. 7 is a block diagram of a terminal device of another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In a non-terrestrial network (NTN) communication scenario, a terminal needs to estimate a timing advance according to satellite ephemeris information and the like to compensate for an uplink timing advance, thereby implementing uplink timing synchronization. The total timing advance at the terminal side is now determined by the following equation:
TTA＝(NTA+NTA,UE-specific+NTA,common+NTA,offset)×Tc (1)
whereinTcIs a time unit, NTAThe timing advance, N, indicated to the terminal is detected by the base station through the preamble or SRS (sounding reference signal) and other uplink signalsTA,commonThe method is used for compensating the transmission delay of the link between the satellite and the ground base station when the satellite is used as a relay. N is a radical ofTA,offsetThe frequency band position and duplex mode configuration of uplink data sent by the UE side are determined, and specific parameter values can be found in 3GPP 38.133 Table 7.1.2-2. N is a radical ofTA,UE-specificThe terminal estimates the timing advance of the link between the terminal and the satellite according to the position information of the terminal and the satellite, and the terminal automatically compensates the timing advance.
The timing advance of the terminal comprises the timing advance (namely N) estimated by the terminalTA,UE-specific) If the base station does not know the timing advance, the terminal does not report NTA,UE-specificOr a parameter related to the parameter, when scheduling the uplink transmission resource for the terminal, the farthest terminal in the coverage area is referred to determine a time interval between the downlink scheduling signaling and the uplink transmission resource, that is, the time interval is to satisfy the requirement of the farthest terminal for uplink timing advance. However, in practice, the timing advance compensated by the farthest terminal and the nearest terminal in the coverage may differ by tens of ms, which reduces the uplink transmission efficiency of the terminal.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
FIG. 1(a) is a flow chart of an embodiment of the method of the present application;
fig. 1(b) is a schematic diagram of a transmission timing advance method according to an embodiment of the present invention;
fig. 1(c) is a schematic diagram of another transmission timing advance method according to the embodiment of the present application.
The application provides a method for reporting a terminal timing advance, which can be used for reporting the terminal timing advance in an RRC connection state, and comprises the following steps of 101-103:
In step 101The timing advance refers to the timing advance estimated by the terminal itself, i.e. NTA,UE-specificOr a parameter associated therewith. And the terminal receives the timing advance reporting request signaling sent by the base station and reports the timing advance to the base station.
In step 101, the format of the timing advance report request signaling includes at least one of the following: utilizing reserved bits in the existing DCI (Downlink control information) to indicate whether the terminal is requested to report the timing advance or not; designing a high-level RRC request signaling or a Media Access Control (MAC) CE (Media access Control Element) to request a terminal to report the timing advance; and grouping and implicitly indicating the request terminal to report the timing advance by using a Random Access Channel (RACH) resource.
The existing DCI may be DCI format 1_0 triggering RACH or DCI format for uplink or downlink transmission of other scheduling terminals.
Specifically, when the RACH resource configuration information configures the RACH resource, the RACH resource grouping implicit indication terminal configures a group of RO (random access channel opportunity) resources or a preamble implicit indication reports the timing advance. When the terminal receives the RO resource or the preamble distributed by the base station, if the distributed RO resource or the preamble corresponds to the reported timing advance, the terminal uses the distributed RO resource and the preamble to initiate the RACH flow, and the timing advance is reported in the RACH flow.
In step 101, the manner of transmitting the timing advance at least includes one of the following: after transmitting the timing advance reporting request signaling, transmitting the timing advance by using a next available Physical Uplink Shared Channel (PUSCH); and after the timing advance report request signaling is transmitted, transmitting the timing advance through an RACH flow.
In step 101, after receiving the timing advance report request signaling, the terminal reports the timing advance by using the next available PUSCH.
As shown in fig. 1(b), the next available PUSCH is the PUSCH meeting the condition of reporting the timing advance by the terminal, and the condition includes: the time interval between the terminal receiving the timing advance reporting request signaling and the PUSCH reporting the timing advance meets the terminal processing time delay requirement; the size of a Transport Block (TB) of PUSCH transmission reporting the timing advance is not less than the sum of the timing advance and the data amount in a Hybrid Automatic Repeat Request (HARQ) cache corresponding to the PUSCH.
In step 101, after receiving the timing advance report request signaling, the terminal may initiate an RACH procedure, and report the timing advance by using Msg3 or Msg5 in a 4-step RACH procedure, or report the timing advance by using MsgA in a 2-step RACH procedure.
Further, whether the 2-step RACH procedure or the 4-step RACH procedure is selected is determined according to a selection condition of the RACH type, for example, if the measured signal received power (RSRP) is higher than a set threshold, the 2-step RACH procedure is selected, otherwise, the 4-step RACH procedure is selected.
In step 101, the terminal transmits the timing advance through the RACH procedure, as shown in fig. 1 (c).
If the TA reporting request signaling is DCI format 1_0 triggering RACH, the DCI format 1_0 can directly indicate whether the terminal is requested to report the TA by using reserved bits, or the DCI format 1_0 allocates RACH resources for the terminal and implicitly indicates whether the terminal is requested to report the TA by using the RACH resources. If the RACH resource is an RACH resource that indicates the terminal to report timing advance in the configuration information, the terminal reports the timing advance in a subsequent RACH procedure after receiving the RACH resource allocation.
Further optionally, in DCI format 1_0 triggering RACH, the terminal is instructed to report only the timing advance by using a reserved bit, or the terminal reports the timing advance and the RRC reestablishment request at the same time.
In step 101, the configuration information includes a mode of activating or deactivating (enable/disable) reporting timing advance.
That is, if the mode of reporting the timing advance by the terminal is deactivated, it indicates that the timing advance is not reported by the mode. It should be noted that, here, the mode of reporting the timing advance by the terminal is used in the RRC connected state, and the activation and deactivation information is also used in the mode of activating or deactivating the timing advance reported by the terminal in the RRC connected state, which is different from the mode of reporting the timing advance based on the RACH procedure in the system information in the RRC idle state. When a terminal initiates RACH in an RRC idle state, reporting timing advance through an RACH flow; when the terminal enters the RRC connection state, if the network deactivates the method for reporting the timing advance based on the RACH flow in the RRC connection state and activates the method for reporting the timing advance based on the available PUSCH resources, the timing advance is reported only based on the available PUSCH resources. Therefore, the method avoids the situation that when the network requests the timing advance of the terminal in the RRC connection state, the RACH flow with longer time delay cost is used for acquiring the timing advance and the unnecessary RACH flow.
In step 101, the configuration information includes activating or deactivating the timing advance report request signaling.
That is, if the TA report request signaling is deactivated, it means that the TA reported by the terminal is not triggered by the signaling mode. A scenario exists in which, if a network deactivates a manner of reporting timing advance based on an RACH procedure in an RRC connected state, but the network activates a request for a terminal to report timing advance based on a DCI reserved bit, when the DCI is used to trigger the terminal to initiate an RACH, the timing advance is reported in the RACH procedure, and other RACH procedures in the RRC connected state do not report timing advance; if the network deactivates the method of reporting the timing advance based on the RACH flow in the RRC connection state, but the network activates the RACH resource grouping implicit indication reporting timing advance, when the base station allocates the RACH resource implicit indication reporting timing advance when the trigger terminal initiates the RACH to the UE, the timing advance is reported in the RACH flow, and other RACH flows in the RRC connection state do not report the timing advance.
In step 101, the configuration information includes protocol agreement content and base station high-level configuration signaling content. The protocol appointed content, such as the type of the timing advance report request signaling and the report mode of the timing advance, is obtained by the terminal through a mode written by the equipment. The base station high-level configuration signaling content, such as information of the activation or deactivation information of the mode of implicitly indicating the terminal to report the timing advance and the terminal to report the timing advance by the grouped RACH resource information configured by the high level, is acquired by the terminal by receiving the high-level signaling sent by the base station.
And 102, the TA reporting request signaling is used for triggering and transmitting the TA.
In step 102, the terminal receives the timing advance report request signaling sent by the base station, where a format of the timing advance report request signaling, as in step 101, includes at least one of the following: utilizing a reserved bit in the existing DCI to indicate whether a terminal is requested to report a timing advance; designing an RRC request signaling or MAC CE request terminal to report timing advance; and requesting the terminal to report the timing advance by using the RACH resource grouping implicit indication.
In step 102, after receiving the timing advance report request signaling, the terminal may trigger the terminal to send a timing advance.
And 103, transmitting the timing advance in a corresponding resource according to the mode of transmitting the timing advance.
In step 103, according to the manner of transmitting the timing advance, the terminal reports the timing advance through the RACH procedure or the allocated PUSCH resource, and accordingly, the base station receives the timing advance through the RACH procedure or the allocated PUSCH resource.
In step 103, if the timing advance is transmitted in a manner that the timing advance is transmitted by using the next available PUSCH after the timing advance report request signaling is transmitted, the terminal reports the timing advance on the next available PUSCH after receiving the timing advance report request signaling.
If the timing advance is transmitted through the RACH procedure after the timing advance report request signaling is transmitted, the terminal reports the timing advance by using Msg3 or Msg5 in the 4-step RACH procedure or reports the timing advance by using MsgA of the 2-step RACH procedure after receiving the timing advance report request signaling.
When the terminal reports the timing advance by using the Msg3 in the 4-step RACH flow, if the preamble is selected based on the competitive random access (CBRA), the sum of the timing advance and the Msg3 high-level service data volume needing to be transmitted is compared with the Size of the Msg3 data (Size) configured by the high level, and the preamble of the corresponding group is selected to initiate the RACH. When the terminal reports the timing advance by using the MsgA in the 2-step RACH flow, if the preamble is selected based on the competitive random access (CBRA), the sum of the timing advance and the high-level service data quantity to be transmitted by the MsgA is compared with the Size of a threshold value MsgA Size configured by the high level, and the preamble of the corresponding group is selected to initiate the RACH. If the terminal receives a signaling triggering RACH, and RACH resources allocated in the signaling implicitly indicate the report of the timing advance, the terminal initiates an RACH flow to report the timing advance.
The invention provides a terminal timing advance reporting method and device based on network requests, wherein a terminal reports self-compensated timing advance to a base station, and the timing advance can be reported to the base station through Msg3/Msg5 in a 4-step random access process or MsgA in a 2-step random access process. The terminal can report to the base station based on the request of the base station, the timing advance reporting event trigger, the periodic reporting and other modes. The network may report the timing advance through a random access by activating or deactivating (enable/disable) the terminal through the system information. The method can support the function that the terminal requests to report the TA based on the base station in the RRC connection state, and the base station further schedules the uplink transmission of the terminal based on the TA reported by the terminal, thereby improving the uplink transmission efficiency of the terminal.
Fig. 2 is a flowchart of an embodiment of a method of the present application for a network device.
The method of any one embodiment of the first aspect of the present application, for a network device, includes the following steps 201-203:
In step 201, the base station acquires and transmits the configuration information.
The configuration information comprises protocol appointed content and base station high-level configuration signaling content, wherein the protocol appointed content, such as information of the type of a timing advance reporting request signaling and the mode of reporting the timing advance, and the like, is acquired by the base station through a mode written by equipment.
The base station configures signaling content at a high layer, such as information of activating or deactivating a mode of implicitly indicating the terminal to report the timing advance and the timing advance reported by the terminal by using the grouped RACH resource information configured at the high layer, and the base station sends corresponding high-layer signaling to the terminal.
In step 202, the base station sends the timing advance report request signaling to the terminal.
In step 203, after the base station sends the timing advance report request signaling, the base station detects the timing advance reported by the terminal on the next available PUSCH resource of the terminal, or detects the timing advance reported by the terminal by using Msg3 or Msg5 in a 4-step RACH procedure, or detects the timing advance reported by the terminal by using MsgA of a 2-step RACH procedure in an RACH procedure initiated by the terminal.
The embodiment of the invention can be used for sending the timing advance reporting request by the RRC connection state base station side.
Fig. 3 is a flowchart of an embodiment of the method of the present application for a terminal device.
The method according to any one embodiment of the first aspect of the present application, applied to a terminal device, includes the following steps 301 to 303:
In step 301, the terminal may obtain the configuration information from the base station, and may also obtain the configuration information through protocol agreement.
The configuration information comprises protocol appointed content and base station high-level configuration signaling content, wherein the protocol appointed content, such as information of the type of a timing advance reporting request signaling and the mode of reporting the timing advance, is acquired by the terminal through a mode written by equipment.
The high-level configuration signaling content of the base station, such as information of activation or deactivation information of a mode of implicitly indicating the terminal to report the timing advance and the terminal to report the timing advance by grouping RACH resource information configured by the high level, and the terminal acquires the signaling through the corresponding high-level signaling sent by the base station.
In step 302, the terminal receives the timing advance report request signaling sent by the base station.
In step 303, the terminal may report the timing advance to the base station through the RACH procedure or the allocated PUSCH resource.
The embodiment of the invention can be used for sending the timing advance at the side of the RRC connected state terminal.
Fig. 4 is a schematic diagram of an embodiment of a network device.
An embodiment of the present application further provides a network device, where, using the method according to any one of the embodiments of the present application, the network device is configured to: and the RRC connection state sends a timing advance report request signaling.
In order to implement the foregoing technical solution, the network device 400 provided in the present application includes a network sending module 401, a network determining module 402, and a network receiving module 403.
And the network sending module is used for sending the configuration information to the terminal and sending a timing advance report request signaling to the terminal.
The network receiving module is used for acquiring the configuration information and receiving the timing advance sent by the terminal.
The network determining module is configured to determine a format of a timing advance reporting request signaling and a mode of transmitting a timing advance indicated by the configuration information.
The specific method for implementing the functions of the network sending module, the network determining module, and the network receiving module is described in the embodiments of the methods of the present application, and is not described herein again.
Fig. 5 is a schematic diagram of an embodiment of a terminal device.
The present application further provides a terminal device, which uses the method of any one of the embodiments of the present application, and is configured to: and reporting the timing advance in the RRC connection state.
In order to implement the foregoing technical solution, the terminal device 500 provided in the present application includes a terminal sending module 501, a terminal determining module 502, and a terminal receiving module 503.
And the terminal sending module is used for sending the timing advance.
The terminal determining module is used for determining the format of the timing advance reporting request signaling indicated by the configuration information and the mode of transmitting the timing advance.
The terminal receiving module is used for receiving the configuration information and receiving the timing advance request signaling.
The specific method for implementing the functions of the terminal sending module, the terminal determining module and the terminal receiving module is as described in the method embodiments of the present application, and is not described herein again.
The terminal equipment can be mobile terminal equipment.
Fig. 6 shows a schematic structural diagram of a network device according to another embodiment of the present invention. As shown, the network device 600 includes a processor 601, a wireless interface 602, and a memory 603. Wherein the wireless interface may be a plurality of components, i.e. including a transmitter and a receiver, providing means for communicating with various other apparatus over a transmission medium. The wireless interface implements a communication function with the terminal device, and processes wireless signals through the receiving and transmitting devices, and data carried by the signals are communicated with the memory or the processor through the internal bus structure. The memory 603 contains a computer program that executes any of the embodiments of the present application, running or changed on the processor 601. When the memory, processor, wireless interface circuit are connected through a bus system. The bus system includes a data bus, a power bus, a control bus, and a status signal bus, which are not described herein.
Fig. 7 is a block diagram of a terminal device of another embodiment of the present invention. The terminal device 700 comprises at least one processor 701, a memory 702, a user interface 703 and at least one network interface 704. The various components in the terminal device 700 are coupled together by a bus system. A bus system is used to enable connection communication between these components. The bus system includes a data bus, a power bus, a control bus, and a status signal bus.
The user interface 703 may include a display, a keyboard, or a pointing device, such as a mouse, a trackball, a touch pad, or a touch screen, among others.
The memory 702 stores executable modules or data structures. The memory may have stored therein an operating system and an application program. The operating system includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is used for implementing various basic services and processing hardware-based tasks. The application programs include various application programs such as a media player, a browser, and the like for implementing various application services.
In the embodiment of the present invention, the memory 702 contains a computer program for executing any of the embodiments of the present application, and the computer program runs or changes on the processor 701.
The memory 702 contains a computer readable storage medium, and the processor 701 reads the information in the memory 702 and combines the hardware to complete the steps of the above-described method. In particular, the computer-readable storage medium has stored thereon a computer program which, when being executed by the processor 701, carries out the steps of the method embodiments as described above with reference to any of the embodiments.
The processor 701 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the method of the present application may be implemented by hardware integrated logic circuits in the processor 701 or by instructions in the form of software. The processor 701 may be a general purpose processor, a digital signal processor, an application specific integrated circuit, an off-the-shelf programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. In a typical configuration, the apparatus of the present application includes one or more processors (one of CPU, FGAP, MUC), an input/output user interface, a network interface, and a memory.
Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application therefore also proposes a computer-readable medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of the embodiments of the present application. For example, the memory 603, 702 of the present invention may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM).
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
Based on the embodiments of fig. 4 to 7, the present application further provides a mobile communication system including at least 1 embodiment of any terminal device in the present application and/or at least 1 embodiment of any network device in the present application.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (15)
1. A method for reporting timing advance of a terminal is characterized in that,
configuration information used for indicating the format of the timing advance report request signaling and the mode of transmitting the timing advance;
the timing advance reporting request signaling is used for triggering and transmitting the timing advance;
and transmitting the timing advance in a corresponding resource according to the mode of transmitting the timing advance.
2. The method of claim 1, wherein the format of the TA report request signaling comprises at least one of the following:
utilizing a reserved bit in the existing DCI to indicate whether a terminal is requested to report the timing advance;
designing a high-level RRC request signaling or MAC CE request terminal to report the timing advance;
and requesting the terminal to report the timing advance by using the RACH resource grouping implicit indication.
3. The method of claim 1, wherein the manner of transmitting the timing advance at least comprises one of the following:
after the timing advance report request signaling is transmitted, transmitting the timing advance by using the next available PUSCH;
and after the timing advance report request signaling is transmitted, transmitting the timing advance through an RACH flow.
4. The terminal timing advance reporting method of claim 1, wherein the configuration information includes a manner of activating or deactivating the transmission timing advance.
5. The terminal TA reporting method of claim 1, wherein the configuration information includes activating or deactivating the TA reporting request signaling.
6. The terminal timing advance reporting method of claim 1, wherein the configuration information includes protocol appointed content and base station high-level configuration signaling content.
7. The method of claim 2, wherein if the existing DCI is DCI format 1_0 triggering RACH, a reserved bit is used to instruct a terminal to report the timing advance only, or report the timing advance and an RRC reestablishment request simultaneously.
8. The method for reporting timing advance of a terminal as claimed in claim 3, wherein the step of transmitting the timing advance through the RACH procedure further comprises:
and transmitting the timing advance by using Msg3 or Msg5 in a 4-step RACH flow, or transmitting the timing advance by using MsgA in a 2-step RACH flow.
9. The method according to any of claims 1 to 8, for a network device, comprising the steps of:
acquiring and sending the configuration information;
sending the timing advance reporting request signaling;
and receiving the timing advance on the corresponding resource according to the mode of transmitting the timing advance indicated in the configuration information.
10. The method according to any one of claims 1 to 8, applied to a terminal device, comprising the steps of:
acquiring the configuration information;
receiving the timing advance reporting request signaling;
and sending the timing advance on the corresponding resource according to the mode of transmitting the timing advance indicated in the configuration information.
11. A terminal timing advance reporting network device, for implementing the method of any one of claims 1 to 8,
the terminal reports at least one module in the network equipment in advance in timing, and is used for at least one function of the following: for obtaining and sending configuration information; used for sending the timing advance to report the request signaling; for receiving a timing advance.
12. A terminal device for reporting timing advance of a terminal, which is used for implementing the method of any one of claims 1 to 8,
the terminal reports at least one module in the terminal equipment in advance in timing, and is used for at least one function of the following: for obtaining configuration information; for receiving timing advance request signaling; for transmitting the timing advance.
13. A communication device, comprising: memory, processor and computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, carries out the steps of the method according to any one of claims 1 to 10.
14. A computer-readable medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 10.
15. A mobile communication system comprising the terminal timing advance reporting network device according to claim 11 and/or the terminal timing advance reporting terminal device according to claim 12.
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| CN202111131509.6A CN113939006A (en) | 2021-09-26 | 2021-09-26 | Method and equipment for reporting timing advance of terminal |
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