Uplink out-of-synchronization processing method, device, apparatus, storage medium and program product

Abstract

The application discloses an uplink out-of-synchronization processing method and device, equipment, a storage medium and a program product, which are applied to a base station. The specific technical scheme comprises the following steps: in the case that it is detected that an uplink transmission signal cannot be accurately received, a switching instruction is sent to a terminal. The switching instruction is used to instruct the terminal to be redirected or switched to a target adjacent cell according to the switching instruction. The uplink transmission signal is a signal sent by the terminal to the base station. The connection and resources corresponding to the terminal are released. In this way, the terminal can be switched to reside in a cell in time, and the service experience of the terminal is improved.

Description

Technical Field

[0001] This application belongs to the field of wireless transmission technology, and in particular relates to an uplink synchronization failure processing method, apparatus, device, storage medium and program product. Background Technology

[0002] In wireless communication networks, signals transmitted from base stations to terminals are downlink signals, and signals transmitted from terminals to base stations are uplink signals. Because the base station's signal transmission capacity is greater than the terminal's, there are situations where the downlink signal coverage area is larger than the uplink signal coverage area; that is, in some areas, the downlink signal is not out of sync, but the uplink signal is out of sync.

[0003] Currently, after a base station detects that the uplink signal has lost synchronization, it can send a random access command to the terminal. The random access command is used to instruct the terminal to complete uplink synchronization through random access. However, in most scenarios, the terminal cannot successfully complete uplink synchronization, resulting in the terminal dropping out of the network. After the terminal drops out of the network, it needs to re-establish a connection with the base station, resulting in a long service interruption time for the terminal. Summary of the Invention

[0004] This application provides an uplink synchronization handling method, apparatus, device, storage medium, and program product. These enable terminals to switch between their current cells in a timely manner, improving the terminal's service experience.

[0005] In a first aspect, embodiments of this application provide an uplink synchronization failure handling method, applied to a base station, the method comprising:

[0006] If it is detected that the uplink transmission signal cannot be accurately received, a handover instruction is sent to the terminal. The handover instruction is used to instruct the terminal to redirect or switch to the target neighboring cell according to the handover instruction. The uplink transmission signal is the signal sent by the terminal to the base station.

[0007] Release the connection and resources corresponding to the terminal.

[0008] In one possible implementation, before sending the handover instruction to the terminal, the method further includes:

[0009] Get the preset neighboring cells;

[0010] Use the preset neighboring area as the target neighboring area;

[0011] The neighbor information of the target neighbor cell is encapsulated in the switching instruction.

[0012] In one possible implementation, before sending the handover instruction to the terminal, the method further includes:

[0013] Obtain historical measurement results of a preset neighboring cell corresponding to the terminal, wherein the historical measurement results include signal quality information of the preset neighboring cell;

[0014] Based on the preset neighboring cells measured and reported by the terminal and the corresponding signal quality information, the preset neighboring cell with the best signal quality is selected as the target neighboring cell.

[0015] The neighbor information of the target neighbor cell is encapsulated in the switching instruction.

[0016] In one possible implementation, before sending the handover instruction to the terminal, the method further includes:

[0017] Obtain the preset neighboring cells and corresponding priority parameters reported by the terminal measurement;

[0018] Based on the preset neighboring cells and their corresponding priority parameters, the preset neighboring cell with the highest priority is selected as the target neighboring cell.

[0019] The neighbor information of the target neighbor cell is encapsulated in the switching instruction.

[0020] In one possible implementation, before encapsulating the neighbor information of the target neighbor cell in the handover instruction, the method further includes:

[0021] A handover request is sent to the base station to which the target neighboring cell belongs. The handover request is used to request the target neighboring cell to allow the terminal to hand over and to allocate the resources required for the handover to the terminal.

[0022] The terminal receives a handover response sent by the base station to which the target neighboring cell belongs, the handover response including resource information allocated to the terminal by the base station to which the target neighboring cell belongs;

[0023] Encapsulating the neighbor information of the target neighbor cell in the handover instruction includes:

[0024] The neighbor information of the target neighboring cell and the resource information are encapsulated in the switching instruction.

[0025] Secondly, embodiments of this application provide an uplink synchronization failure handling method, applied to a terminal, the method comprising:

[0026] When the base station detects that it cannot accurately receive the uplink transmission signal, it receives a handover instruction sent by the base station. The handover instruction is used to instruct the terminal to redirect or hand over to the target neighboring cell according to the handover instruction. The uplink transmission link is used to transmit the signal sent by the terminal to the base station.

[0027] The cell where the terminal is located is redirected or switched to the target neighboring cell.

[0028] In one possible implementation, the handover instruction includes preset duration information; after redirecting or handing over the cell where the terminal is camped to the target neighboring cell, the method further includes:

[0029] Record the historical signal quality information of the historical cells before the terminal performs cell handover;

[0030] The second preset duration is determined according to the preset duration information;

[0031] Monitor the signal quality information of the historical cells within the second preset time period;

[0032] Determine whether the signal quality information of the historical cell within the preset time period is greater than the historical signal quality information;

[0033] If the latest handover instruction received by the terminal instructs the terminal to redirect or switch the cell it is camping to to the historical cell, and if the preset time period is exceeded, or if the signal quality information of the historical cell is greater than the historical signal quality information within the preset time period, then the redirection or switch of the cell the terminal is camping to to the historical cell is permitted.

[0034] Thirdly, embodiments of this application provide an uplink synchronization failure processing device, applied to a base station, the device comprising:

[0035] The sending module is used to send a handover instruction to the terminal when it is detected that the uplink transmission signal cannot be accurately received. The handover instruction is used to instruct the terminal to redirect or switch to the target neighboring cell according to the handover instruction. The uplink transmission signal is the signal sent by the terminal to the base station.

[0036] The release module is used to release the connection and resources corresponding to the terminal.

[0037] Fourthly, embodiments of this application provide an uplink synchronization failure processing device, applied to a terminal, the device comprising:

[0038] The receiving module is used to receive a handover instruction sent by the base station when the base station detects that it cannot accurately receive the uplink transmission signal. The handover instruction is used to instruct the terminal to redirect or switch to the target neighboring cell according to the handover instruction. The uplink transmission link is used to transmit the signal sent by the terminal to the base station.

[0039] The switching module is used to redirect or switch the cell where the terminal is camped to the target neighboring cell.

[0040] Fifthly, embodiments of this application provide an electronic device, the device comprising: a processor and a memory storing computer program instructions;

[0041] When the processor executes the computer program instructions, it implements the uplink out-of-sync processing method as described in either the first or second aspect.

[0042] Sixthly, embodiments of this application provide a computer-readable storage medium storing computer program instructions, which, when executed by a processor, implement the uplink synchronization failure processing method as described in either the first or second aspect.

[0043] In a seventh aspect, embodiments of this application provide a computer program product, wherein instructions in the computer program product, when executed by a processor of an electronic device, cause the electronic device to perform the uplink synchronization failure processing method as described in either the first or second aspect.

[0044] This application discloses an uplink synchronization failure handling method, apparatus, device, storage medium, and program product. When a base station detects that it cannot accurately receive uplink transmission signals, it sends a handover command to a terminal. The terminal can redirect or handover to the target neighboring cell indicated by the handover command, thereby establishing a connection between the terminal and the target neighboring cell. This reduces the occurrence of terminal disconnections, effectively reduces the time required for the terminal and the base station cell to re-establish a connection, and thus reduces the interruption time of terminal services. Attached Figure Description

[0045] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments of this application will be briefly introduced below. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0046] Figure 1 This is a flowchart illustrating an existing method for handling uplink synchronization failure.

[0047] Figure 2 This is an exemplary schematic diagram of an uplink synchronization failure handling method provided in the prior art;

[0048] Figure 3 This is an exemplary schematic diagram illustrating another uplink synchronization failure handling method provided in the prior art;

[0049] Figure 4 This is a flowchart illustrating an uplink synchronization failure handling method provided in an embodiment of this application;

[0050] Figure 5 This is an exemplary schematic diagram of the first uplink synchronization failure handling method provided in the embodiments of this application;

[0051] Figure 6This is an exemplary schematic diagram of the second uplink synchronization failure handling method provided in the embodiments of this application;

[0052] Figure 7 This is an exemplary schematic diagram of the third uplink synchronization failure handling method provided in the embodiments of this application;

[0053] Figure 8 This is an exemplary schematic diagram of the fourth uplink synchronization failure handling method provided in the embodiments of this application;

[0054] Figure 9 This is an exemplary schematic diagram of the fifth uplink synchronization handling method provided in the embodiments of this application;

[0055] Figure 10 This is an exemplary schematic diagram of the sixth uplink synchronization failure handling method provided in the embodiments of this application;

[0056] Figure 11 This is an exemplary schematic diagram of the seventh uplink synchronization failure handling method provided in the embodiments of this application;

[0057] Figure 12 This is an exemplary schematic diagram of the eighth uplink synchronization handling method provided in the embodiments of this application;

[0058] Figure 13 This is an exemplary schematic diagram of the ninth uplink synchronization handling method provided in the embodiments of this application;

[0059] Figure 14 This is a schematic diagram of the structure of an uplink synchronization processing device applied to a base station, provided in an embodiment of this application;

[0060] Figure 15 This is a flowchart illustrating an uplink synchronization failure handling method for a terminal provided in an embodiment of this application;

[0061] Figure 16 This is a flowchart illustrating another uplink synchronization failure handling method for a terminal provided in an embodiment of this application;

[0062] Figure 17 This is a schematic diagram of the structure of an uplink synchronization failure processing device applied to a terminal, provided in an embodiment of this application;

[0063] Figure 18 This is a schematic diagram of an uplink synchronization failure processing device for a base station provided in an embodiment of this application;

[0064] Figure 19 This is a schematic diagram of an uplink synchronization failure processing device for a terminal provided in an embodiment of this application;

[0065] Figure 20 This is a schematic diagram of the structure of an electronic device provided in another embodiment of this application. Detailed Implementation

[0066] The features and exemplary embodiments of various aspects of this application will be described in detail below. To make the objectives, technical solutions, and advantages of this application clearer, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only intended to explain this application and not to limit it. For those skilled in the art, this application can be implemented without some of these specific details. The following description of the embodiments is merely to provide a better understanding of this application by illustrating examples.

[0067] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising..." does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes said element.

[0068] In wireless communication networks, signals transmitted from a base station to a terminal are downlink signals, and signals transmitted from a terminal to a base station are uplink signals. Because the base station's transmission capacity is greater than that of the terminal, there are situations where the downlink signal coverage area is larger than the uplink signal coverage area; that is, in some areas, the downlink signal may not be out of sync, but the uplink signal may be out of sync. Typically, the presence of external interference, atmospheric duct interference, or an excessive number of users can also cause the downlink signal to be out of sync while the uplink signal is out of sync.

[0069] According to the 3rd Generation Partnership Project (3GPP), the assessment of uplink synchronization failure can be performed by either the terminal or the base station. Currently, in existing networks, the assessment of uplink synchronization failure is typically performed by the base station. Figure 1 As shown, Figure 1 This example illustrates the process by which a base station attempts to establish a connection with a terminal after detecting uplink synchronization failure:

[0070] S101, The base station cell transmits data with the terminals within the cell.

[0071] In this process, the base station cell and the terminal within the base station cell establish a Radio Resource Control (RRC) connection, and the base station cell and the terminal perform uplink and downlink data transmission.

[0072] S102, The base station cell detected uplink synchronization failure.

[0073] Specifically, a base station cell can determine whether the uplink signal has lost synchronization by measuring the block error rate (BLER) of the Sounding Reference Signal (SRS), the Physical Uplink Control Channel (PUCCH), or the BLER value of the Physical Uplink Shared Channel (PUSCH).

[0074] S103. Determine if there is any downlink data that needs to be sent to the terminal.

[0075] If yes, then execute S104; otherwise, execute S106.

[0076] S104. The base station cell sends a PDCCH order to the terminal, the terminal initiates random access for uplink synchronization, and the base station cell starts a timer.

[0077] Among them, the base station cell can send a Physical Downlink Control Channel (PDCCH) order through Downlink Control Information (DCI) to instruct the terminal to initiate random access.

[0078] Specifically, for DCI format 1_0 scrambled with Cell-Radio Network Temporary Identifier (C-RNTI), the Frequencydomain resource assignment field is set to all 1s, indicating that the command is the aforementioned PDCCH order command.

[0079] S105, Timer timed out, terminal failed to complete uplink synchronization.

[0080] S106, The base station cell releases terminal connections and related resources, causing the terminal to disconnect.

[0081] Specifically, the base station sends a release message to the core network to cause the core network to release the context information of the terminal. The reason value carried in the release message sent to the core network is usually "UE lost". The base station cell sends a release message to the terminal to cause the terminal to release the connection. The reason value carried in the release message sent to the terminal is usually "other".

[0082] When a base station cell determines that a terminal has lost uplink synchronization, and there is no downlink data that the base station cell needs to send to the terminal, the base station cell will adopt the following approach: Figure 2 The process shown is as follows: Figure 2 As shown:

[0083] S201. Data transmission is performed between the base station cell and the terminals within the cell.

[0084] S202. The base station cell detected uplink synchronization failure, and the base station cell has no downlink data that needs to be sent to the terminal.

[0085] S203, The base station cell releases the terminal's connection and related resources, causing the terminal to go offline.

[0086] When a base station cell determines that a terminal has lost uplink synchronization, and the base station cell needs to send downlink data to the terminal, it shall adopt the following method: Figure 3 The process shown attempts to establish an uplink connection with the terminal, such as... Figure 3 As shown:

[0087] S301. The base station cell transmits data with the terminals within the cell.

[0088] S302. The base station cell has detected uplink synchronization failure, and the base station cell has downlink data that needs to be sent to the terminal.

[0089] S303, the base station cell sends a PDCCH order to the terminal, the terminal initiates random access for uplink synchronization, and the base station cell starts a timer.

[0090] S304, Timer timed out, terminal failed to complete uplink synchronization.

[0091] S305, the base station cell releases the terminal's connection and related resources, causing the terminal to drop out.

[0092] Thus, after the terminal fails to synchronize uplink, the base station cell releases the terminal's resources, ultimately causing the terminal to drop out of service. The terminal then needs to re-establish a connection with the base station based on signal quality, resulting in excessively long service interruptions.

[0093] To address the problems existing in the prior art, embodiments of this application provide an uplink synchronization failure processing method, apparatus, device, storage medium, and program product, firstly based on... Figure 4This application introduces an uplink synchronization failure handling method provided by an embodiment, such as... Figure 4 As shown, this method is applied to a base station, and the method includes:

[0094] S401. If it is detected that the uplink transmission signal cannot be accurately received, a handover command is sent to the terminal.

[0095] After detecting uplink synchronization failure, the base station determines whether it has stored the data to be transmitted corresponding to the terminal locally. Specifically, the embodiments of this application do not limit the method by which the base station assesses uplink synchronization failure.

[0096] If there is data to be sent stored locally, a random access command is sent to the terminal. The random access command is used to instruct the terminal to attempt to restore the uplink synchronization state with the base station through random access.

[0097] Subsequently, within the first preset time period, if the base station detects that the terminal has not successfully restored uplink synchronization with the base station, and determines that the base station cannot accurately receive the uplink transmission information sent by the terminal, the base station sends a handover command to the terminal.

[0098] The handover instruction is used to direct the terminal to redirect or switch to a target neighboring cell according to the handover command. The target neighboring cell can be pre-configured on the base station side, or it can be determined by the base station and the terminal according to a preset strategy. Specifically, the target neighboring cell can be a co-frequency neighboring cell, a different frequency neighboring cell, or a different system neighboring cell. The method for determining the target neighboring cell will be described in detail in subsequent embodiments.

[0099] S402. Release the connection and resources corresponding to the terminal.

[0100] Using the above method, when the base station detects that it cannot accurately receive uplink transmission signals, it sends a handover command to the terminal. The terminal can then redirect or handover to the target neighboring cell indicated by the handover command, thereby establishing a connection between the terminal and the target neighboring cell. This reduces the occurrence of terminal disconnections and effectively reduces the time required for the terminal and the base station cell to re-establish a connection, thus reducing the interruption time of terminal services.

[0101] Regarding the aforementioned handover instruction, the handover instruction may include neighbor cell information of the target neighbor cell, to instruct the terminal to perform redirection or handover according to the target neighbor cell. Specifically, before sending the handover instruction to the terminal, the method further includes:

[0102] Obtain the preset neighboring cell; use the preset neighboring cell as the target neighboring cell; encapsulate the neighboring cell information of the target neighboring cell in the switching instruction.

[0103] The preset neighboring cells are configured in advance for each base station cell based on experience. Therefore, when it is detected that the uplink transmission signal cannot be accurately received, the base station can directly obtain the preset neighboring cells of the cell where the terminal is currently camped and send the neighboring cell information of the preset neighboring cells to the terminal, so that the terminal can be redirected to the preset neighboring cells in a timely manner according to the neighboring cell information of the preset neighboring cells, thereby reducing the terminal service time.

[0104] The following combination Figure 5 This application introduces an uplink synchronization failure handling method provided by an embodiment, such as... Figure 5 As shown, the method includes:

[0105] S501, The base station cell transmits data with the terminals within the cell.

[0106] S502, the base station cell detected uplink synchronization failure.

[0107] S503. Determine if there is any downlink data that needs to be sent to the terminal.

[0108] If yes, then execute S504; otherwise, execute S506.

[0109] The downlink data that needs to be sent to the terminal is the data to be sent in the above embodiment.

[0110] S504. The base station cell sends a PDCCH order to the terminal, the terminal initiates random access for uplink synchronization, and the base station cell starts a timer.

[0111] The PDCCH order is used to instruct the terminal to initiate random access for uplink synchronization. The specific content of the PDCCH order is described in the above embodiments and will not be repeated here.

[0112] S505, Timer timed out, terminal failed to complete uplink synchronization.

[0113] S506. The base station cell sends a handover command to the terminal, instructing the terminal to redirect to the target neighboring cell. The base station cell then releases the terminal's connection and related resources.

[0114] The handover instruction includes the pre-set cell identifier of the target neighboring cell.

[0115] Specifically, the handover command can be implemented through the DCI of the PDCCH channel, or the Medium Access Control Element (MAC CE) of the Medium Access Control (MAC) layer, or the signaling of the RRC layer. In this embodiment, the base station cell sends the cell identifier of the target neighbor cell to the terminal through the redirectedCarrierInfo field in the RRC Release message. The target neighbor cell can be a co-frequency neighbor cell, a different frequency neighbor cell, or a different system neighbor cell.

[0116] In one example, the target neighbor cell can be flexibly configured according to the actual situation. If the base station cell is frequently affected by atmospheric ducting, causing uplink interference, then the target neighbor cell can be configured as an FDD standard neighbor cell. When atmospheric ducting causes a terminal in the base station cell to lose uplink synchronization, the base station cell will redirect the terminal to an FDD standard neighbor cell that is not affected by atmospheric ducting.

[0117] S507, the terminal is redirected to the target neighboring cell.

[0118] Using the method provided in this application embodiment, after the base station cell confirms uplink synchronization failure, the base station cell sends a handover instruction containing the cell identifier of a preset neighbor cell to the terminal, so that the terminal can quickly establish a connection with the preset cell according to the cell identifier of the preset neighbor cell, thereby avoiding excessively long terminal service interruption time.

[0119] Regarding the aforementioned S503 determination of whether downlink data needs to be sent to the terminal, if no downlink data needs to be sent to the terminal from the base station cell, the base station cell directly sends a handover command to the terminal so that the terminal can be redirected to the target neighboring cell according to the handover command. Specifically, as follows... Figure 6 As shown, the method includes:

[0120] S601, The base station cell transmits data with the terminals within the cell.

[0121] During normal data transmission between the base station cell and the terminal, both the uplink and downlink between the base station cell and the terminal are normal.

[0122] S602. The base station cell detected uplink synchronization failure, and at this time, no downlink data that needs to be sent to the terminal has arrived.

[0123] When uplink synchronization failure is detected, the uplink between the terminal and the base station cell is interrupted, while the downlink remains normal.

[0124] S603, The base station cell issues a handover command to instruct the terminal to redirect to the target neighboring cell, and then the base station cell releases the terminal's connection and related resources.

[0125] S604, the terminal is redirected to the target neighboring cell.

[0126] After the terminal is redirected to the target neighboring cell, the uplink and downlink between the terminal and the base station of the target neighboring cell are in normal condition.

[0127] Regarding the aforementioned S503 determination of whether downlink data needs to be sent to the terminal, if downlink data that needs to be sent to the terminal arrives at the base station cell, the base station cell first sends a PDCCH order command to the terminal to enable the terminal to initiate random access for uplink synchronization. If uplink synchronization fails, a handover command is sent to the terminal so that the terminal can be redirected to the target neighboring cell according to the handover command. Specifically, as follows... Figure 7 As shown, the method includes:

[0128] S701, The base station cell transmits data with the terminals within the cell.

[0129] S702: The base station cell has detected uplink synchronization failure, and downlink data that needs to be sent to the terminal has arrived.

[0130] S703. The base station cell sends a PDCCH order to the terminal so that the terminal can initiate random access for uplink synchronization. At the same time, the base station cell starts a timer.

[0131] S704, Timer timed out, terminal failed to complete uplink synchronization.

[0132] Specifically, the timer expired, the terminal failed to complete uplink synchronization, and the uplink between the terminal and the base station cell was interrupted.

[0133] S705, the base station cell issues a handover command to instruct the terminal to redirect to the target neighboring cell, and then the base station cell releases the terminal's connection and related resources.

[0134] The handover instruction includes the cell identifier of the target neighboring cell.

[0135] S706, the terminal is redirected to the target neighboring cell.

[0136] use Figure 6 and Figure 7 The method shown in the embodiment allows the base station cell to promptly send a handover command to the terminal when the base station cell confirms that the uplink has lost synchronization. This enables the terminal to be redirected from its current cell to a target neighboring cell based on the handover command, thereby ensuring the quality of the terminal's Internet access services and reducing service interruption time.

[0137] In response to the aforementioned handover command, the base station cell can determine the target neighboring cell included in the handover command in the following two ways.

[0138] The first implementation method is as follows: The base station determines the target neighboring cell with the best signal quality based on the signal quality of each preset neighboring cell.

[0139] Specifically, the historical measurement results of the preset neighboring cells corresponding to the terminal are obtained, including the signal quality information of the preset neighboring cells; based on the preset neighboring cells and their corresponding signal quality information reported by the terminal, the preset neighboring cell with the best signal quality is selected as the target neighboring cell; and the neighboring cell information of the target neighboring cell is encapsulated in the handover instruction.

[0140] The historical measurement results include the signal quality information of the preset neighboring cells most recently fed back by the terminal. The signal quality information can be the Reference Signal Received Power (RSRP), the Reference Signal Received Quality (RSRQ), or the Signal to Interference plus Noise Ratio (SINR).

[0141] In addition, the base station cell can encapsulate the frequency point and physical cell identity (PCI) of the target neighbor cell in the handover command, and the terminal can determine the target neighbor cell based on the frequency point and PCI in the handover command.

[0142] Using the first implementation method, the base station cell can directly determine the target neighbor cell with the best signal quality based on the signal quality information. This ensures the service quality of the target neighbor cell while quickly determining the target neighbor cell, thus improving work efficiency.

[0143] The second implementation method is as follows: The base station determines the target neighboring cell with the highest priority according to the priority of the preset neighboring cells measured and reported by the terminal.

[0144] Specifically, the system obtains the preset neighboring cells and their corresponding priority parameters reported by the terminal; based on the preset neighboring cells and their corresponding priority parameters, the preset neighboring cell with the highest priority is selected as the target neighboring cell; and the neighboring cell information of the target neighboring cell is encapsulated in the handover instruction.

[0145] The priority parameters for each preset neighboring cell are pre-set based on experience.

[0146] The base station cell can encapsulate the frequency point and PCI of the target neighbor cell in the handover command, and the terminal can determine the target neighbor cell based on the frequency point and PCI in the handover command.

[0147] In the second implementation method, the base station selects the preset neighbor cell with the highest priority as the target neighbor cell based on the preset neighbor cells measured and reported by the terminal, which can realize the selection of the target neighbor cell.

[0148] The following combination Figure 8 This application introduces another uplink synchronization failure handling method provided by its embodiments, such as... Figure 8 As shown, the method includes:

[0149] S801, data transmission between base station cells and terminals.

[0150] S802, The base station cell issues a command to instruct the terminal to perform neighbor cell measurement.

[0151] Specifically, a base station cell can send measurement information once when a terminal first camps on that cell, or the base station cell can send measurement information to the terminal at preset intervals. Based on the measurement information sent by the base station cell, the terminal feeds back the measurement results to the base station. The measurement information includes the frequency points of preset neighboring cells, subcarrier spacing, cyclic prefix type, priority parameters, measurement result type, reporting period, and the number of preset neighboring cells to be reported. This measurement information can be preset in the base station.

[0152] The reporting period and the number of preset neighboring cells to be reported can be flexibly configured according to actual conditions. In one example, when the base station cell is busy, a larger reporting period and a smaller number of preset neighboring cells can be set; conversely, a smaller reporting period and a larger number of preset neighboring cells can be set. In this embodiment, it is recommended that the reporting period be 2 seconds and the number of preset neighboring cells to be reported be 3.

[0153] S803, The terminal periodically reports the measured neighboring cell information.

[0154] The neighboring cell information refers to the measurement results in the above embodiments.

[0155] S804, the base station cell detected uplink synchronization failure.

[0156] S805: Determine if any downlink data that needs to be sent to the terminal has arrived.

[0157] If yes, then execute S806; otherwise, execute S808.

[0158] S806, the base station cell sends a PDCCH order command to the terminal, the terminal initiates random access for uplink synchronization, and the base station starts a timer.

[0159] S807, Timer timed out, terminal failed to complete uplink synchronization.

[0160] S808: The base station cell issues a handover command instructing the terminal to redirect to the target neighboring cell, and the base station cell releases the terminal's connection and related resources.

[0161] The base station cell can use the two implementation methods provided in the above embodiments to determine the target neighboring cell included in the handover instruction.

[0162] Specifically, the base station cell obtains the historical measurement results of the preset neighboring cells reported by the terminal through step S803. Based on the signal quality information corresponding to the preset neighboring cells, the preset neighboring cell with the best signal quality is selected as the target neighboring cell. The neighboring cell information of the target neighboring cell is encapsulated in the handover instruction.

[0163] Alternatively, the base station cell obtains the preset neighboring cells reported by the terminal through step S803, and selects the highest priority neighboring cell among the preset neighboring cells reported by the terminal as the target neighboring cell; the neighboring cell information of the target neighboring cell is encapsulated in the handover command. In addition, the number of the highest priority target neighboring cells that meet the conditions can be one or more. When there are multiple target neighboring cells, all of them can be sent to the terminal, and the terminal can choose autonomously based on the real-time measurement results. For example, it can choose the neighboring cell with the best signal quality measured in real time as the final redirection target neighboring cell.

[0164] S809, the terminal is redirected to the target neighboring cell.

[0165] Using the method provided in this application embodiment, the base station cell periodically acquires the measurement results of preset neighboring cells reported by the terminal. When uplink synchronization failure is confirmed, the target neighboring cell can be determined by referring to the most recent measurement result, thereby promptly sending a handover command to the terminal, instructing the terminal to redirect to the target neighboring cell. This avoids excessively long service interruption time for the terminal.

[0166] Regarding the S805's determination of whether downlink data needs to be sent to the terminal, if the base station cell detects that no downlink data needs to be sent to the terminal, the base station cell directly sends a handover command to the terminal so that the terminal can be promptly redirected to the target neighboring cell, thereby reducing the terminal's service interruption time. Specifically, as follows... Figure 9 As shown, the method includes:

[0167] S901, data transmission between base station cells and terminals.

[0168] S902, The base station cell issues a command to instruct the terminal to perform neighbor cell measurements.

[0169] This command instructs the terminal to perform periodic measurements, specifically measuring the signal quality information of preset neighboring cells.

[0170] The specific method for measuring signal quality information is described in the above embodiments and will not be repeated here.

[0171] S903, The terminal periodically reports the measured neighboring cell information.

[0172] S904. The base station cell has detected uplink synchronization failure, and at this time there is no downlink data that needs to be sent to the terminal.

[0173] S905, the base station cell issues a handover command to instruct the terminal to redirect to the target neighboring cell, and the base station cell releases the terminal connection and related resources.

[0174] Specifically, the method for the base station to determine the target neighboring cell is described in the relevant embodiments above, and will not be repeated here.

[0175] S906, the terminal is redirected to the target neighboring cell.

[0176] Regarding the S805's determination of whether downlink data needs to be sent to the terminal, if the base station detects that downlink data needs to be sent to the terminal, the base station cell first sends a PDCCH order command to the terminal, instructing the terminal to attempt to restore uplink synchronization. If the attempt fails, the base station cell further sends a handover command to the terminal so that the terminal can be promptly redirected to the target neighboring cell, thereby reducing the terminal's service interruption time. Specifically, as follows... Figure 10 As shown, the method includes:

[0177] S1001, Data transmission occurs between the base station cell and the terminal.

[0178] S1002, The base station cell issues a command to instruct the terminal to perform neighbor cell measurement.

[0179] S1003. The terminal periodically reports the measured neighboring cell information.

[0180] S1004. The base station cell detects uplink synchronization failure, and downlink data that needs to be sent to the terminal arrives at this time.

[0181] S1005. The base station cell sends a PDCCH order command to the terminal so that the terminal can initiate random access for uplink synchronization. The base station starts a timer.

[0182] S1006, Timer timed out, terminal failed to complete uplink synchronization.

[0183] S1007. The base station cell issues a handover command to instruct the terminal to redirect to the target neighboring cell, and the base station cell releases the terminal's connection and related resources.

[0184] Specifically, the method for the base station to determine the target neighboring cell is described in the relevant embodiments above, and will not be repeated here.

[0185] S1008, Terminal redirected to target neighboring cell.

[0186] use Figure 9 and Figure 10The method provided in the embodiment involves the terminal periodically feeding back measurement results to the base station. When the base station confirms uplink synchronization failure, the base station and the terminal use the most recent measurement results fed back by the terminal to determine the target neighboring cell, so that the terminal can be redirected to the target neighboring cell in a timely manner, thereby avoiding excessively long service interruption time for the terminal.

[0187] In some embodiments of this application, before sending a handover command to the terminal, the base station cell may confirm with the base station to which the target neighbor cell belongs whether handover to the target neighbor cell is permitted and allocate the necessary resources to the terminal to ensure faster terminal access and maintain service continuity. Specifically, before encapsulating the neighbor cell information of the target neighbor cell in the handover command, the method further includes:

[0188] Step 1: Send a handover request to the base station of the target neighboring cell.

[0189] The handover request is used to request permission to hand over to the target neighboring cell and to allocate the necessary resources to the terminal.

[0190] Step 2: Receive the handover response sent by the base station of the target neighboring cell.

[0191] The handover response includes the resource information required for the terminal to hand over to the target neighboring cell, allocated by the base station to which the target neighboring cell belongs.

[0192] Accordingly, encapsulating the neighbor information of the target neighbor cell in the handover instruction can be implemented as follows:

[0193] The neighboring cell information and resource information of the target neighboring cell are encapsulated in the handover command.

[0194] Using the method provided in this application embodiment, the base station cell sends a handover request to the target neighboring cell, requesting the base station to which the target neighboring cell belongs to allocate the resources required for the terminal to hand over. After receiving the resources allocated to the terminal by the base station to which the target neighboring cell belongs, the neighboring cell information and resource information of the target neighboring cell are encapsulated in the handover instruction so that the terminal can quickly hand over to the target neighboring cell according to the neighboring cell information and resource information of the target neighboring cell, maintain the service continuity of the terminal, and avoid service interruption.

[0195] The following combination Figure 11 This application introduces another uplink synchronization failure handling method provided by an embodiment, such as... Figure 11 As shown, the method includes:

[0196] S1101, Data transmission occurs between the base station cell and the terminal.

[0197] S1102, The base station cell issues a command to instruct the terminal to perform neighbor cell measurements.

[0198] S1103. The terminal periodically reports the measured neighboring cell information.

[0199] S1104, uplink synchronization failure was detected in the base station cell.

[0200] S1105. Determine if there is any downlink data that needs to be sent to the terminal.

[0201] If yes, then execute S1106; otherwise, execute S1108.

[0202] S1106. The base station cell sends a PDCCH order command to the terminal. The terminal initiates random access for uplink synchronization, and the base station starts a timer.

[0203] S1107, Timer timed out, terminal failed to complete uplink synchronization.

[0204] S1108. The base station cell sends a handover request to the base station of the target neighboring cell.

[0205] Specifically, the handover request is used to request the base station of the target neighboring cell to allocate the resources required for the terminal to hand over to the target neighboring cell.

[0206] The base station cell can determine the target neighboring cell according to the two implementation methods provided in the above embodiments.

[0207] Specifically, the base station cell obtains the historical measurement results of the preset neighboring cells reported by the terminal through step S1103, and selects the preset neighboring cell with the best signal quality as the target neighboring cell based on the signal quality information corresponding to the preset neighboring cells.

[0208] Alternatively, the base station cell obtains the preset neighboring cells reported by the terminal through step S1103, and selects the highest priority neighboring cell among the preset neighboring cells reported by the terminal as the target neighboring cell according to the priority parameters corresponding to the preset neighboring cells.

[0209] When the terminal reports multiple preset neighbor cells with the highest priority, the base station can select the preset neighbor cell with the best signal quality as the target neighbor cell.

[0210] S1109. Receive the handover response from the base station to which the target neighboring cell belongs.

[0211] S1110, The base station cell issues a handover command to instruct the terminal to switch to the target neighboring cell, and the base station cell releases the terminal's connection and related resources.

[0212] S1111, the terminal switches to the target neighboring cell.

[0213] Using the method provided in this application embodiment, the base station periodically obtains the measurement results of preset neighboring cells reported by the terminal. When uplink synchronization failure is confirmed, the target neighboring cell can be determined by referring to the most recent measurement result. In order to maintain the service continuity of the terminal, the base station requests the base station to which the target neighboring cell belongs in advance to allocate the resources required for the terminal to switch to the target neighboring cell. After receiving the handover response from the base station to which the target neighboring cell belongs, the base station cell promptly sends a handover instruction to the terminal, instructing the terminal to switch to the target neighboring cell, thereby maintaining the service continuity of the terminal and avoiding service interruption.

[0214] Regarding the aforementioned S1105 determination of whether downlink data that needs to be sent to the terminal has arrived, if the base station detects that no downlink data that needs to be sent to the terminal has arrived, the base station directly sends a handover request to the base station of the target neighboring cell. After receiving the handover response from the base station of the target neighboring cell, the base station promptly sends a handover command to the terminal, instructing the terminal to hand over to the target neighboring cell, thus avoiding service interruption. Specifically, as follows... Figure 12 As shown, the method includes:

[0215] S1201, Data transmission occurs between the base station cell and the terminal.

[0216] S1202, The base station cell issues a command to instruct the terminal to perform neighbor cell measurement.

[0217] S1203. The terminal periodically reports the measured neighboring cell information.

[0218] S1204. The base station cell detected uplink synchronization failure, and at this time no downlink data that needs to be sent to the terminal has arrived.

[0219] S1205, The base station cell sends a handover request to the target neighboring cell.

[0220] Specifically, the method for determining the target neighboring cell is described in the relevant description in the above embodiments, and will not be repeated here.

[0221] S1206. Receive the handover response from the base station to which the target neighboring cell belongs.

[0222] S1207. The base station cell issues a handover command to instruct the terminal to switch to the target neighboring cell, and the base station releases the terminal's connection and related resources.

[0223] S1208, The terminal switches to the target neighboring cell.

[0224] Regarding the aforementioned S1105 determination of whether downlink data that needs to be sent to the terminal has arrived, if the base station detects that downlink data that needs to be sent to the terminal has arrived, the base station cell first sends a PDCCH order command to the terminal to instruct the terminal to initiate random access. If the terminal's attempt to initiate random access and perform uplink synchronization fails, the base station sends a handover request to the base station of the target neighboring cell. After the base station of the target neighboring cell allocates the relevant resources required for the terminal to hand over to the target neighboring cell, the base station sends a handover instruction to the terminal so that the terminal can switch to the target neighboring cell in a timely manner to avoid service interruption. Specifically, as follows... Figure 13 As shown, the method includes:

[0225] S1301, Data transmission occurs between the base station cell and the terminal.

[0226] S1302, The base station cell issues a command to instruct the terminal to perform neighbor cell measurements.

[0227] S1303. The terminal periodically reports the measured neighboring cell information.

[0228] S1304. The base station cell has detected uplink synchronization failure, and downlink data that needs to be sent to the terminal has arrived at this time.

[0229] S1305. The base station cell sends a PDCCH order command to the terminal so that the terminal can initiate random access for uplink synchronization. The base station cell starts a timer.

[0230] S1306, Timer timed out, terminal failed to complete uplink synchronization.

[0231] S1307. The base station cell sends a handover request to the base station of the target neighboring cell.

[0232] Specifically, the method for determining the target neighboring cell is described in the relevant description in the above embodiments, and will not be repeated here.

[0233] S1308, Receive the handover response from the base station to which the target neighboring cell belongs.

[0234] S1309, The base station cell issues a handover command to instruct the terminal to switch to the target neighboring cell, and the base station cell releases the terminal's connection and related resources.

[0235] S1310, the terminal switches to the target neighboring cell.

[0236] use Figure 12 and Figure 13The method provided in this embodiment involves the terminal periodically feeding back measurement results to the base station. When the base station confirms uplink synchronization failure, the base station and the terminal use the most recent measurement result fed back by the terminal to determine a target neighboring cell. After determining the target neighboring cell, the base station can send a handover request to the base station to which the target neighboring cell belongs. After receiving the handover response from the base station to which the target neighboring cell belongs, the base station sends a handover command to the terminal, thereby enabling the terminal to switch to the target neighboring cell in a timely manner. For latency-sensitive services, this can effectively reduce service interruptions caused by uplink synchronization failure and maintain service continuity.

[0237] like Figure 14 As shown, Figure 14 This is an exemplary schematic diagram of a base station system structure provided in an embodiment of this application. The base station system includes a transmitting module, a receiving module, a storage module, a configuration module, and a control module.

[0238] The system includes a sending module for sending instructions to the base station of the terminal or the target neighboring cell; a receiving module for receiving information sent by the terminal and other base stations; a configuration module for providing a configuration interface and receiving input information from the configuration interface; a storage module for storing the input information and data fed back by the terminal and the base station; and a control module for controlling the sending module, receiving module, storage module, and configuration module to send handover instructions to the terminal according to preset program instructions, so that the terminal can switch the cell it is camped on in a timely manner.

[0239] Based on the same concept, this application provides an uplink synchronization failure handling method, which is applied to a terminal, such as... Figure 15 As shown, the method includes:

[0240] S1501. When the base station detects that it cannot accurately receive the uplink transmission signal, it receives the handover command sent by the base station.

[0241] The handover instruction is used to instruct the terminal to redirect or switch to the target neighboring cell according to the handover instruction, and the uplink transmission link is used to transmit the signals sent by the terminal to the base station.

[0242] S1502, redirect or switch the cell where the terminal is camped to the target neighboring cell.

[0243] Using the method provided in this application embodiment, when the base station detects that it cannot accurately receive the uplink transmission signal, it sends a handover command to the terminal. The terminal can redirect or handover according to the target neighbor cell indicated by the handover command, thereby establishing a connection between the terminal and the target neighbor cell. This reduces the occurrence of terminal disconnection and effectively reduces the time required for the terminal and the base station cell to re-establish a connection, thereby reducing the interruption time of terminal services.

[0244] It should be noted that the aforementioned handover command includes preset duration information. After establishing a connection with the target neighboring cell, the terminal can use this preset duration information to determine whether it can hand over to the cell it was in before the handover. Specifically, for example... Figure 16 As shown, after redirecting or switching the cell where the terminal is camped to the target neighboring cell in S1502, the method further includes:

[0245] S1601. Record the historical signal quality information of the historical cells before the terminal performs cell handover.

[0246] Among them, historical signal quality information is used to represent the signal quality of historical cells.

[0247] S1602. Determine the preset duration according to the preset duration information.

[0248] S1603. Monitor the signal quality information of historical cells within a preset time period.

[0249] Specifically, within a preset time period, the terminal monitors the signal quality of historical cells in real time.

[0250] S1604. Determine whether the signal quality information of the historical cell within the preset time period is greater than the historical signal quality information.

[0251] Optionally, the condition for determining whether the signal quality information of the historical cell is greater than the historical signal quality information can also be whether the difference between the signal quality information of the historical cell and the historical signal quality information meets a preset threshold value. The preset threshold value is a positive value, and the specific value can be flexibly pre-configured.

[0252] S1605. If the signal quality information of the historical cell is greater than the historical signal quality information within a preset time period, and the latest handover instruction received by the terminal instructs the terminal to switch the cell it is camping to the historical cell, then the cell the terminal is camping to is switched to the historical cell.

[0253] Furthermore, within a preset time period, if the signal quality information of the historical cell is less than or equal to the historical signal quality information, even if the terminal receives a latest handover instruction instructing it to redirect or switch to the historical cell, the terminal will not redirect or switch back to the historical cell. This is to prevent the terminal from remaining in an uplink synchronization loss state after returning to the historical cell. When the preset time period is exceeded, whether the signal quality information of the historical cell is greater than the historical signal quality information is no longer used as a criterion. If the latest handover instruction received by the terminal instructs it to redirect or switch to the historical cell, the terminal's current cell can be redirected or switched to the historical cell, thus preventing the terminal from being unable to use the cell even after the historical cell has recovered.

[0254] Using the method provided in this application embodiment, when the terminal switches to the target cell, the historical signal quality information of the historical cell at the current moment is recorded. Then, the signal quality information of the historical cell within a preset time period is monitored. When the signal quality information of the historical cell is greater than the historical signal quality information, and the terminal receives the latest handover instruction instructing the terminal to redirect or switch to the historical cell, it indicates that the signal quality of the historical cell has improved. This indicates that the probability of the terminal still being in an uplink synchronization failure state after returning to the historical cell is reduced, and the terminal can be allowed to redirect or switch to the historical cell to ensure the service quality of the terminal.

[0255] like Figure 17 As shown, Figure 17 This is an exemplary schematic diagram of a base station system structure provided in an embodiment of this application. The base station system includes a transmitting module, a receiving module, a storage module, and a control module.

[0256] The transmitting module is used to send information to the base station; the receiving module is used to receive information sent by the base station; the storage module is used to store information fed back by the base station; and the control module is used to control the transmitting module, receiving module and storage module to redirect or switch the cell they are camped on according to preset program instructions.

[0257] Based on the same concept, embodiments of this application provide an uplink synchronization failure processing device, applied to a base station, such as... Figure 18 As shown, the device includes:

[0258] The sending module 1801 is used to send a handover instruction to the terminal when it is detected that the uplink transmission signal cannot be accurately received. The handover instruction is used to instruct the terminal to redirect or hand over to the target neighboring cell according to the handover instruction. The uplink transmission signal is the signal sent by the terminal to the base station.

[0259] Release module 1802 is used to release the connection and resources corresponding to the terminal.

[0260] In one possible implementation, the device further includes:

[0261] The acquisition module is used to acquire preset neighboring cells;

[0262] The determination module is used to select a preset neighboring area as the target neighboring area;

[0263] An encapsulation module is used to encapsulate the neighbor information of the target neighbor cell in the switching instruction.

[0264] In one possible implementation, the acquisition module is further configured to acquire historical measurement results of a preset neighboring cell reported by the terminal, the historical measurement results including signal quality information of the preset neighboring cell;

[0265] The determining module is also used to select the preset neighbor cell with the best signal quality as the target neighbor cell based on the signal quality information of the preset neighbor cell;

[0266] The encapsulation module is also used to encapsulate the neighbor information of the target neighbor cell into the switching instruction.

[0267] In one possible implementation, the acquisition module is further configured to acquire the preset neighboring cells and corresponding priority parameters reported by the terminal measurement;

[0268] The determining module is also used to select the preset neighboring cell with the highest priority as the target neighboring cell based on the preset neighboring cell and the corresponding priority parameter.

[0269] The encapsulation module is also used to encapsulate the neighbor information of the target neighbor cell in the switching instruction.

[0270] In one possible implementation, the device further includes:

[0271] The sending module is also configured to send a handover request to the base station to which the target neighboring cell belongs, the handover request being used to instruct the target neighboring cell to allocate the resources required for the handover to the terminal;

[0272] The receiving module is used to receive a handover response sent by the base station to which the target neighboring cell belongs, the handover response including resource information required for the terminal to hand over to the target neighboring cell allocated by the base station to which the target neighboring cell belongs;

[0273] The encapsulation module is specifically used for:

[0274] The neighbor information of the target neighboring cell and the resource information are encapsulated in the switching instruction.

[0275] It should be noted that this uplink synchronization failure processing device is the same as the uplink synchronization failure processing method applied to the base station described above. All implementation methods in the above method embodiments are applicable to the embodiments of this device and can achieve the same technical effect.

[0276] Based on the same concept, embodiments of this application provide an uplink synchronization failure processing device, applied to a terminal, such as... Figure 19 As shown, the device includes:

[0277] The receiving module 1901 is used to receive a handover instruction sent by the base station when the base station detects that it cannot accurately receive the uplink transmission signal. The handover instruction is used to instruct the terminal to redirect or switch to the target neighboring cell according to the handover instruction. The uplink transmission link is used to transmit the signal sent by the terminal to the base station.

[0278] The switching module 1902 is used to redirect or switch the cell where the terminal is camped to the target neighboring cell.

[0279] In one possible implementation, the switching instruction includes preset duration information; the device further includes:

[0280] The recording module is used to record historical signal quality information of historical cells before the terminal performs cell handover;

[0281] The determining module is used to determine the preset duration according to the preset duration information;

[0282] The monitoring module is used to monitor the signal quality information of the historical cells within the preset time period;

[0283] The judgment module is used to determine whether the signal quality information of the historical cell is greater than the historical signal quality information within the preset time period;

[0284] The handover module is used to redirect or switch the cell where the terminal is camped to the historical cell when the signal quality information of the historical cell is greater than the historical signal quality information within the preset time period, and the latest handover instruction received by the terminal instructs the terminal to redirect or switch the cell where it is camped to the historical cell.

[0285] It should be noted that the uplink synchronization failure processing device is the same as the uplink synchronization failure processing method applied to the terminal described above. All implementation methods in the above method embodiments are applicable to the embodiments of this device and can achieve the same technical effect.

[0286] Figure 20 A schematic diagram of the hardware structure of the electronic device provided in an embodiment of this application is shown.

[0287] An electronic device may include a processor 2001 and a memory 2002 storing computer program instructions.

[0288] Specifically, the processor 2001 may include a central processing unit (CPU), an application-specific integrated circuit (ASIC), or one or more integrated circuits that can be configured to implement the embodiments of this application.

[0289] Memory 2002 may include mass storage for data or instructions. For example, and not limitingly, memory 2002 may include a hard disk drive (HDD), floppy disk drive, flash memory, optical disk, magneto-optical disk, magnetic tape, or Universal Serial Bus (USB) drive, or a combination of two or more of these. Where appropriate, memory 2002 may include removable or non-removable (or fixed) media. Where appropriate, memory 2002 may be internal or external to the integrated gateway disaster recovery device. In a particular embodiment, memory 2002 is non-volatile solid-state memory.

[0290] Memory may include read-only memory (ROM), random access memory (RAM), disk storage media devices, optical storage media devices, flash memory devices, and electrical, optical, or other physical / tangible memory storage devices. Therefore, typically, memory includes one or more tangible (non-transitory) computer-readable storage media (e.g., memory devices) encoded with software including computer-executable instructions, and when the software is executed (e.g., by one or more processors), it is operable to perform the operations described with reference to the methods according to one aspect of this disclosure.

[0291] The processor 2001 reads and executes computer program instructions stored in the memory 2002 to implement any of the uplink synchronization failure processing methods in the above embodiments.

[0292] In one example, the electronic device may also include a communication interface 2003 and a bus 2004. For example, Figure 20 As shown, the processor 2001, memory 2002, and communication interface 2003 are connected through bus 2004 and complete communication with each other.

[0293] The communication interface 2003 is mainly used to realize communication between various modules, devices, units and / or equipment in the embodiments of this application.

[0294] Bus 2004 includes hardware, software, or both, that couples components of an electronic device together. For example, and not limitingly, the bus may include an Accelerated Graphics Port (AGP) or other graphics bus, an Enhanced Industry Standard Architecture (EISA) bus, a Front Side Bus (FSB), HyperTransport (HT) interconnect, an Industry Standard Architecture (ISA) bus, an Infinite Bandwidth Interconnect, a Low Pin Count (LPC) bus, a memory bus, a Microchannel Architecture (MCA) bus, a Peripheral Component Interconnect (PCI) bus, a PCI-Express (PCI-X) bus, a Serial Advanced Technology Attachment (SATA) bus, a Video Electronics Standards Association Local (VLB) bus, or other suitable buses, or combinations of two or more of these. Where appropriate, bus 2004 may include one or more buses. Although specific buses are described and illustrated in embodiments of this application, this application contemplates any suitable bus or interconnect.

[0295] Furthermore, in conjunction with the uplink synchronization failure handling methods in the above embodiments, this application embodiment can provide a computer storage medium for implementation. The computer storage medium stores computer program instructions; when these computer program instructions are executed by a processor, they implement any of the uplink synchronization failure handling methods in the above embodiments.

[0296] In conjunction with the uplink synchronization failure processing methods in the above embodiments, this application embodiment can provide a computer program product, in which the instructions in the computer program product, when executed by the processor of an electronic device, cause the electronic device to perform any of the uplink synchronization failure processing methods in the above embodiments.

[0297] It should be clarified that this application is not limited to the specific configurations and processes described above and shown in the figures. For the sake of brevity, detailed descriptions of known methods are omitted here. In the above embodiments, several specific steps are described and shown as examples. However, the method process of this application is not limited to the specific steps described and shown. Those skilled in the art can make various changes, modifications, and additions, or change the order of steps, after understanding the spirit of this application.

[0298] The functional blocks shown in the above-described structural diagram can be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, they can be, for example, electronic circuits, application-specific integrated circuits (ASICs), appropriate firmware, plug-ins, function cards, etc. When implemented in software, the elements of this application are programs or code segments used to perform the required tasks. Programs or code segments can be stored on a machine-readable medium or transmitted over a transmission medium or communication link via data signals carried on a carrier wave. "Machine-readable medium" can include any medium capable of storing or transmitting information. Examples of machine-readable media include electronic circuits, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio frequency (RF) links, etc. Code segments can be downloaded via computer networks such as the Internet, intranets, etc.

[0299] It should also be noted that the exemplary embodiments mentioned in this application describe methods or systems based on a series of steps or apparatus. However, this application is not limited to the order of the above steps; that is, the steps can be performed in the order mentioned in the embodiments, or in a different order, or several steps can be performed simultaneously.

[0300] The aspects of this disclosure have been described above with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this disclosure. It should be understood that each block in the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing apparatus to produce a machine such that these instructions, executable via the processor of the computer or other programmable data processing apparatus, enable the implementation of the functions / actions specified in one or more blocks of the flowchart illustrations and / or block diagrams. Such a processor can be, but is not limited to, a general-purpose processor, a special-purpose processor, a special application processor, or a field-programmable logic circuit. It is also understood that each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, can also be implemented by special-purpose hardware performing the specified functions or actions, or can be implemented by a combination of special-purpose hardware and computer instructions.

[0301] The above description is merely a specific implementation of this application. Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working processes of the systems, modules, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here. It should be understood that the protection scope of this application is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this application, and these modifications or substitutions should all be covered within the protection scope of this application.

Claims

1. A method for handling uplink synchronization loss, characterized in that, Applied to a base station, the method includes: If it is detected that the uplink transmission signal cannot be accurately received, a handover instruction is sent to the terminal. The handover instruction is used to instruct the terminal to redirect or switch to the target neighboring cell according to the handover instruction. The uplink transmission signal is the signal sent by the terminal to the base station. Release the connection and resources corresponding to the terminal.

2. The method according to claim 1, characterized in that, Before sending the handover instruction to the terminal, the method further includes: Get the preset neighboring cells; Use the preset neighboring area as the target neighboring area; The neighbor information of the target neighbor cell is encapsulated in the switching instruction.

3. The method according to claim 1, characterized in that, Before sending the handover instruction to the terminal, the method further includes: Obtain historical measurement results of a preset neighboring cell corresponding to the terminal, wherein the historical measurement results include signal quality information of the preset neighboring cell; Based on the preset neighboring cells measured and reported by the terminal and the corresponding signal quality information, the preset neighboring cell with the best signal quality is selected as the target neighboring cell. The neighbor information of the target neighbor cell is encapsulated in the switching instruction.

4. The method according to claim 1, characterized in that, Before sending the handover instruction to the terminal, the method further includes: Obtain the preset neighboring cells and corresponding priority parameters reported by the terminal measurement; Based on the preset neighboring cells and their corresponding priority parameters, the preset neighboring cell with the highest priority is selected as the target neighboring cell. The neighbor information of the target neighbor cell is encapsulated in the switching instruction.

5. The method according to claim 3 or 4, characterized in that, Before encapsulating the neighbor cell information of the target neighbor cell in the handover instruction, the method further includes: A handover request is sent to the base station to which the target neighboring cell belongs. The handover request is used to request the target neighboring cell to allow the terminal to hand over and to allocate the resources required for the handover to the terminal. The terminal receives a handover response sent by the base station to which the target neighboring cell belongs, the handover response including resource information allocated to the terminal by the base station to which the target neighboring cell belongs; Encapsulating the neighbor information of the target neighbor cell in the handover instruction includes: The neighbor information of the target neighboring cell and the resource information are encapsulated in the switching instruction.

6. A method for handling uplink synchronization loss, characterized in that, Applied to a terminal, the method includes: When the base station detects that it cannot accurately receive the uplink transmission signal, it receives a handover instruction sent by the base station. The handover instruction is used to instruct the terminal to redirect or hand over to the target neighboring cell according to the handover instruction. The uplink transmission signal is the signal sent by the terminal to the base station. The cell where the terminal is located is redirected or switched to the target neighboring cell.

7. The method according to claim 6, characterized in that, The handover instruction includes preset duration information; after redirecting or handing over the cell where the terminal is camped to the target neighboring cell, the method further includes: Record the historical signal quality information of the historical cells before the terminal performs cell handover; The preset duration is determined according to the preset duration information; Monitor the signal quality information of the historical cells within the preset time period; Determine whether the signal quality information of the historical cell within the preset time period is greater than the historical signal quality information; If the latest handover instruction received by the terminal instructs the terminal to redirect or switch the cell it is camping to to the historical cell, and if the preset time period is exceeded, or if the signal quality information of the historical cell is greater than the historical signal quality information within the preset time period, then the redirection or switch of the cell the terminal is camping to to the historical cell is permitted.

8. An uplink synchronization failure processing device, characterized in that, Applied to a base station, the device includes: The sending module is used to send a handover instruction to the terminal when it is detected that the uplink transmission signal cannot be accurately received. The handover instruction is used to instruct the terminal to redirect or switch to the target neighboring cell according to the handover instruction. The uplink transmission signal is the signal sent by the terminal to the base station. The release module is used to release the connection and resources corresponding to the terminal.

9. An uplink synchronization failure processing device, characterized in that, Applied to a terminal, the device includes: The receiving module is used to receive a handover instruction sent by the base station when the base station detects that it cannot accurately receive the uplink transmission signal. The handover instruction is used to instruct the terminal to redirect or switch to the target neighboring cell according to the handover instruction. The uplink transmission signal is a signal sent by the terminal to the base station. The switching module is used to redirect or switch the cell where the terminal is camped to the target neighboring cell.

10. An electronic device, characterized in that, The device includes: a processor and a memory storing computer program instructions; When the processor executes the computer program instructions, it implements the uplink out-of-sync processing method as described in any one of claims 1-5 or 6-7.

11. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer program instructions, which, when executed by a processor, implement the uplink synchronization failure handling method as described in any one of claims 1-5 or 6-7.

12. A computer program product, characterized in that, When the instructions in the computer program product are executed by the processor of the electronic device, the electronic device performs the uplink synchronization failure processing method as described in any one of claims 1-5 or 6-7.

Images