A method, device and readable storage medium for transmitting indication information

Abstract

The present disclosure provides a method, device and readable storage medium for transmitting indication information. The method comprises: transmitting indication information to a network device, the indication information being used to indicate that a handover process of the user equipment from a serving cell to a first candidate cell has been completed; wherein the network device comprises a first network device corresponding to the serving cell, or a second network device corresponding to the first candidate cell. In the method of the present disclosure, the user equipment can transmit the indication information to the first network device or the second network device, so as to inform the first network device of the completion of the cell handover to the second network device, or directly report the completion of the cell handover to the second network device. Thus, the second network device can timely learn that the user equipment has completed the cell handover, so as to facilitate reasonable operation at a suitable time.

Description

Technical Field

[0001] This disclosure relates to the field of wireless communication technology, and in particular to a method, apparatus, and readable storage medium for transmitting indication information. Background Technology

[0002] In 5G New Radio (NR) communication systems, the signal quality of the current serving cell and candidate cells is determined based on the results of layer 3 (L3) measurements. This measurement process involves relatively long handover delays, especially in FR2 scenarios where cell coverage is limited. Excessive handover delays not only affect the throughput and mobility performance of the serving cell, but also prevent the selected candidate cell (target cell) from promptly knowing whether the user equipment has completed the handover. Summary of the Invention

[0003] This disclosure provides a method, apparatus, and readable storage medium for transmitting instruction information.

[0004] In a first aspect, this disclosure provides a method for sending indication information, executed by a user equipment, the method comprising:

[0005] Send indication information to the network device, the indication information being used to indicate that the handover process of the user equipment from the serving cell to the first candidate cell has been completed;

[0006] The network device includes either the first network device corresponding to the serving cell or the second network device corresponding to the first candidate cell.

[0007] In the method disclosed herein, the user equipment can send indication information to either the first network device or the second network device, so that the first network device can inform the second network device of the completion of cell handover, or report the completion of cell handover to the second network device directly. This allows the second network device to promptly learn that the user equipment has completed cell handover, facilitating appropriate action at the right time.

[0008] In some possible implementations, the method further includes:

[0009] Receive the handover command sent by the first network device;

[0010] The cell handover is performed according to the handover command.

[0011] In some possible implementations, sending the indication information to the network device includes:

[0012] Upon receiving the handover command, the Channel State Quality (CSI) measurement of the first candidate cell is performed according to the measurement configuration information.

[0013] The indication information is sent to the second network device or the first network device, the indication information including: a non-zero Channel Quality Indicator (CQI) determined based on the CSI measurement.

[0014] In some possible implementations, sending the indication information to the network device includes:

[0015] After the handover process is completed, a Media Access Control Unit (MAC-CE) signaling message is sent to the second network device or the first network device. The MAC-CE signaling message is used to determine the indication information.

[0016] In some possible implementations, sending the indication information to the network device includes:

[0017] After the handover process is completed, an uplink control information (UCI) is sent to the second network device or the first network device, the UCI being used to determine the indication information.

[0018] In some possible implementations, the method further includes:

[0019] Receive measurement configuration information sent by the first network device;

[0020] Perform Layer 1 measurement on the first candidate cell according to the measurement configuration information to obtain the Layer 1 measurement results;

[0021] Send the Layer 1 measurement results to the first network device.

[0022] Secondly, this disclosure provides a method for transmitting indication information, executed by a first network device corresponding to a serving cell, the method comprising:

[0023] The system receives an indication message sent by a user equipment, the indication message indicating that the handover process from the serving cell to the first candidate cell has been completed.

[0024] The indication information is sent to a second network device, wherein the second network device corresponds to the first candidate cell.

[0025] In this embodiment of the disclosure, after receiving the indication information reported by the user equipment, the first network device may forward the indication information to the second network device to inform the second network device that the user equipment has completed the cell handover.

[0026] In some possible implementations, the method further includes:

[0027] Send a handover command to the user equipment.

[0028] In some possible implementations, receiving the indication information sent by the user equipment includes:

[0029] The user equipment receives indication information sent by the user equipment, the indication information including a non-zero CQI determined by the user equipment based on the CSI measurement of the first candidate cell.

[0030] In some possible implementations, receiving the indication information sent by the user equipment includes:

[0031] The system receives MAC-CE signaling sent by the user equipment, the MAC-CE signaling being used to determine the indication information.

[0032] In some possible implementations, receiving the indication information sent by the user equipment includes:

[0033] The system receives a UCI sent by the user equipment, the UCI being used to determine the indication information.

[0034] In some possible implementations, the method further includes:

[0035] Send measurement configuration information to the user equipment;

[0036] Receive the Layer 1 measurement results sent by the user equipment;

[0037] Based on the measurement results of layer 1, a switching command is determined.

[0038] Thirdly, this disclosure provides a method for receiving indication information, executed by a second network device corresponding to a first candidate cell, the method comprising:

[0039] Receive indication information sent by the user equipment, or receive the indication information sent by the first network device, wherein the indication information is used to indicate that the handover process of the user equipment from the serving cell to the first candidate cell has been completed;

[0040] The first network device corresponds to the serving cell.

[0041] In the method disclosed herein, the second network device can receive indication information sent by the user equipment or the first network device to know that the user equipment has completed cell handover, so as to facilitate reasonable operation at the appropriate time.

[0042] In some possible implementations, the indication information includes:

[0043] The user equipment determines the non-zero CQI based on the CSI measurement of the first candidate cell.

[0044] In some possible implementations, the receipt of indication information sent by the user equipment includes one of the following:

[0045] Receive MAC-CE signaling sent by the user equipment, wherein the MAC-CE signaling is used to determine the indication information;

[0046] The system receives a UCI sent by the user equipment, the UCI being used to determine the indication information.

[0047] In some possible implementations, the method further includes:

[0048] Upon receiving the instruction information, the user equipment is scheduled.

[0049] Fourthly, this disclosure provides an apparatus for transmitting instruction information, which can be used to perform the steps executed by a user equipment in the first aspect or any possible design of the first aspect. The user equipment can implement the functions of the methods described above through hardware structures, software modules, or a combination of hardware structures and software modules.

[0050] When the apparatus shown in the fourth aspect is implemented by a software module, the apparatus may include a transceiver module, wherein the transceiver module can be used to support the communication apparatus in communicating.

[0051] When performing the steps described in the first aspect above, the transceiver module is configured to send indication information to the network device, the indication information being used to indicate that the handover process of the user equipment from the serving cell to the first candidate cell has been completed; wherein, the network device includes a first network device corresponding to the serving cell, or a second network device corresponding to the first candidate cell.

[0052] Fifthly, this disclosure provides an apparatus for transmitting instruction information, which can be used to perform the steps executed by a first network device in the second aspect or any possible design of the second aspect. The first network device can implement the functions of the methods described above through hardware structures, software modules, or a combination of hardware structures and software modules.

[0053] When the apparatus shown in the fifth aspect is implemented by a software module, the apparatus may include a transceiver module, wherein the transceiver module can be used to support the communication apparatus in communicating.

[0054] When performing the steps described in the second aspect above, the transceiver module is configured to receive indication information sent by the user equipment, the indication information being used to indicate that the handover process of the user equipment from the serving cell to the first candidate cell has been completed; the transceiver module is also configured to send the indication information to a second network device, wherein the second network device corresponds to the first candidate cell.

[0055] Sixthly, this disclosure provides an apparatus for receiving instruction information, which can be used to perform the steps executed by a second network device in the third aspect or any possible design of the third aspect. The second network device can implement the functions of the methods described above through hardware structures, software modules, or a combination of hardware structures and software modules.

[0056] When the apparatus shown in the sixth aspect is implemented by a software module, the apparatus may include a transceiver module, wherein the transceiver module can be used to support the communication apparatus in communicating.

[0057] When performing the steps described in the third aspect above, the transceiver module is configured to receive indication information sent by the user equipment, or to receive the indication information sent by the first network device, wherein the indication information is used to indicate that the handover process of the user equipment from the serving cell to the first candidate cell has been completed.

[0058] The first network device corresponds to the serving cell.

[0059] In a seventh aspect, this disclosure provides a user equipment, including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program to implement the first aspect or any possible design of the first aspect.

[0060] Eighthly, this disclosure provides a network device including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program to implement the second aspect or any possible design of the second aspect, or to implement the third aspect or any possible design of the third aspect.

[0061] Ninthly, this disclosure provides a computer-readable storage medium storing instructions (or computer programs, programs) that, when invoked and executed on a computer, cause the computer to perform the first aspect or any possible design of the first aspect.

[0062] In a tenth aspect, this disclosure provides a computer-readable storage medium storing instructions (or computer programs, programs) that, when invoked and executed on a computer, cause the computer to perform the second aspect or any possible design of the second aspect, or to implement the third aspect or any possible design of the third aspect.

[0063] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Attached Figure Description

[0064] The accompanying drawings, which are included to provide a further understanding of the embodiments of this disclosure and form part of this application, illustrate exemplary embodiments of this disclosure and, together with their descriptions, serve to explain the embodiments of this disclosure and do not constitute an improper limitation of the embodiments of this disclosure. In the drawings:

[0065] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the embodiments of the present disclosure.

[0066] Figure 1 This is a schematic diagram of a wireless communication system architecture provided in an embodiment of this disclosure;

[0067] Figure 2 This is a flowchart illustrating a method for transmitting indication information according to an exemplary embodiment;

[0068] Figure 3 This is a flowchart illustrating another method for transmitting indication information according to an exemplary embodiment;

[0069] Figure 4 This is a flowchart illustrating a method for sending indication information according to an exemplary embodiment;

[0070] Figure 5 This is a flowchart illustrating another method for sending indication information according to an exemplary embodiment;

[0071] Figure 6 This is a flowchart illustrating a method for transmitting indication information according to an exemplary embodiment;

[0072] Figure 7 This is a flowchart illustrating a method for transmitting indication information according to another exemplary embodiment;

[0073] Figure 8 This is a flowchart illustrating a method for receiving instruction information according to an exemplary embodiment;

[0074] Figure 9 This is a block diagram illustrating an apparatus for transmitting instruction information according to an exemplary embodiment;

[0075] Figure 10 This is a block diagram of a user equipment according to an exemplary embodiment;

[0076] Figure 11 This is a block diagram illustrating an apparatus for transmitting instruction information according to an exemplary embodiment;

[0077] Figure 12 This is a block diagram of a network device according to an exemplary embodiment;

[0078] Figure 13 This is a block diagram illustrating an apparatus for receiving instruction information according to an exemplary embodiment. Detailed Implementation

[0079] The embodiments of this disclosure will now be further described in conjunction with the accompanying drawings and specific implementation details.

[0080] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with those of this disclosure. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this disclosure as detailed in the appended claims.

[0081] The terminology used in this disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the present disclosure. The singular forms “a” and “the” as used in this disclosure and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

[0082] It should be understood that although the terms first, second, third, etc., may be used to describe various information in embodiments of this disclosure, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, first information may also be referred to as second information without departing from the scope of embodiments of this disclosure, and similarly, second information may also be referred to as first information. Depending on the context, the words “if” and “suppose” as used herein may be interpreted as “when”, “when”, or “in response to a determination”.

[0083] Embodiments of this disclosure are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this disclosure, and should not be construed as limiting this disclosure.

[0084] like Figure 1 As shown, the method for transmitting indication information provided in this embodiment of the present disclosure can be applied to a wireless communication system 100, which may include a user equipment 101, a first network device 102, and a second network device 103. The user equipment 101 is configured to support carrier aggregation and can be connected to multiple carrier units of the first network device 102 or the second network device 103, including a primary carrier unit and one or more secondary carrier units.

[0085] User equipment 101 can be configured with multiple cells as serving cells. The serving cell may include the serving cell that user equipment 101 is currently accessing, such as the primary serving cell (active PCell) or the primary and secondary serving cell (active PSCell); the serving cell may also include multiple candidate serving cells(s).

[0086] The first network device 102 is the network device corresponding to the serving cell (i.e., the source cell) currently accessed by the user equipment 101.

[0087] During cell handover, user equipment 101 switches from its currently serving cell to one of multiple candidate cells. The selected candidate cell is the first candidate cell (i.e., the target cell) in this embodiment. The second network device 103 is the network device corresponding to the first candidate cell.

[0088] It should be understood that the wireless communication system 100 described above is applicable to both low-frequency and high-frequency scenarios. Application scenarios for the wireless communication system 100 include, but are not limited to, long-term evolution (LTE) systems, LTE frequency division duplex (FDD) systems, LTE time division duplex (TDD) systems, worldwide interoperability for microwave access (WiMAX) communication systems, cloud radio access network (CRAN) systems, future 5th-generation (5G) systems, new radio (NR) communication systems, or future evolved public land mobile network (PLMN) systems.

[0089] The user equipment 101 shown above can be a terminal, access terminal, terminal unit, terminal station, mobile station (MS), remote station, remote terminal, mobile terminal, wireless communication device, terminal agent, or terminal equipment, etc. This user equipment 101 may have wireless transceiver capabilities, enabling it to communicate (e.g., wirelessly) with one or more network devices in one or more communication systems and receive network services provided by the network devices. These network devices include, but are not limited to, the network device 103 shown in the figure.

[0090] Among them, user equipment (UE) 101 can be a cellular phone, cordless phone, session initiation protocol (SIP) phone, wireless local loop (WLL) station, personal digital assistant (PDA) device, handheld device with wireless communication function, computing device or other processing device connected to a wireless modem, vehicle-mounted device, wearable device, terminal device in future 5G network or terminal device in future evolved PLMN network, etc.

[0091] The first network device 102 or the second network device 103 can be an access network device (or access point). An access network device refers to a device that provides network access functionality, such as a radio access network (RAN) base station. Specifically, network device 102 may include a base station (BS), or a base station and radio resource management equipment for controlling the base station. Network device 102 may also include relay stations (relay equipment), access points, and base stations in future 5G networks, future PLMN networks, or NR base stations. Network device 102 can be a wearable device or an in-vehicle device. Network device 102 can also be a communication chip with a communication module.

[0092] For example, the first network device 102 or the second network device 103 includes, but is not limited to: next-generation base stations (gnodeB, gNB) in 5G, evolved node B (eNB) in LTE systems, radio network controllers (RNC), node B (NB) in WCDMA systems, radio controllers and base station controllers (BSC) in CRAN systems, base transceiver stations (BTS) in GSM or CDMA systems, home base stations (e.g., home evolved nodeB, or home node B, HNB), baseband units (BBU), transmitting and receiving points (TRP), transmitting points (TP), or mobile switching centers, etc.

[0093] Cell handover based on layer 1 (L1) or layer 2 (L2) beam level measurements has a shorter handover latency than cell handover based on L3 measurements. During L1 / L2 measurement-based cell handover, user equipment 101 determines the signal quality of the serving cell and candidate cells using the layer 1 measurement results. First network device 102 triggers cell handover based on the layer 1 measurement results (such as L1-RSRP) reported by user equipment 101, and user equipment 101 executes the corresponding cell handover procedure. Regardless of whether the cell handover is based on L1 / L2 or L3 measurements, after first network device 102 sends the handover command, second network device 103 is unaware of when user equipment 101 will complete the handover.

[0094] This disclosure provides a method for transmitting indication information, referring to... Figure 2 , Figure 2 This is a method for transmitting indication information according to an exemplary embodiment, such as... Figure 2 As shown, the method includes steps S201 to S203, specifically:

[0095] In step S201, user equipment 101 sends indication information to first network device 102, indicating that the handover process from the serving cell to the first candidate cell has been completed. The first network device 102 corresponds to the serving cell.

[0096] The first candidate cell is the target cell, which is the candidate cell whose channel quality meets the requirements, determined by the first network device 102 based on the Layer 1 measurement results of multiple candidate cells by the user equipment 101.

[0097] In some possible implementations, user equipment 101 may perform cell handover based on the handover command of the first network device 102.

[0098] In some possible implementations, the user equipment 101 sends the indication information after performing a cell handover.

[0099] In some possible implementations, user equipment 101 may send the instruction information via Media Access Control Control Element (MAC-CE) signaling or Uplink Control Information (UCI).

[0100] In step S202, the first network device 102 receives the indication information and sends the indication information to the second network device 103. The second network device 103 corresponds to the first candidate cell.

[0101] In some possible implementations, the first network device 102 may not process the instruction information and may directly forward it to the second network device 103.

[0102] In some possible implementations, the first network device 102 and the second network device 103 exchange signaling or information based on the Xn interface.

[0103] For example, the first network device 102 sends an instruction message to the second network device 103 through the Xn interface.

[0104] In step S203, the second network device 103 receives the instruction information sent by the first network device 102.

[0105] In some possible implementations, the second network device 103 receives the indication information sent by the first network device 102 via the Xn interface to know that the user equipment 101 has completed cell handover.

[0106] In some possible implementations, after receiving the indication information, the second network device 103 can schedule the user equipment 101 in a timely manner, such as scheduling the Physical Downlink Control Channel (PDCCH) or the Physical Downlink Shared Channel (PDSCH).

[0107] In the embodiments of this disclosure, user equipment 101 can send indication information to a first network device 102, so that the first network device 102 can inform the second network device 103 of the completion of cell handover. Thus, the second network device 103 can promptly learn that user equipment 101 has completed cell handover, facilitating appropriate operation at the right time. This method is suitable for scenarios where the second network device 103 may not yet be actively monitoring the uplink information of user equipment 101. User equipment 101 first sends indication information to the serving cell's first network device 102, and then promptly transmits the indication information based on the communication method between network devices, ensuring that the second network device 103 can promptly learn of the handover status of user equipment 101.

[0108] This disclosure provides a method for transmitting indication information, referring to... Figure 3 , Figure 3 This is a method for transmitting indication information according to an exemplary embodiment, such as... Figure 3 As shown, the method includes steps S301 to S302, specifically:

[0109] In step S301, user equipment 101 sends indication information to the second network device 103, indicating that the handover process from the serving cell to the first candidate cell has been completed. The second network device 103 corresponds to the first candidate cell.

[0110] In some possible implementations, after receiving the handover command from the first network device 102, such as after completing the cell handover, the user equipment 101 sends an indication message.

[0111] In some possible implementations, user equipment 101 has accessed the second network device 103 and completed uplink and downlink synchronization with the second network device 103 before sending the instruction information.

[0112] In step S302, the second network device 103 receives the instruction information sent by the user equipment 101.

[0113] In some possible implementations, after receiving the instruction information, the second network device 103 can promptly schedule the user equipment 101, such as scheduling the PDCCH or PDSCH.

[0114] In the embodiments of this disclosure, user equipment 101 can send indication information to second network device 103 to report the completion of cell handover by directly sending the information. This allows second network device 103 to promptly learn that user equipment 101 has completed cell handover, facilitating appropriate operations at the right time. This method considers the changes in channel quality of the cell before and after handover in the handover scenario. In cases involving changes in the serving cell, the communication quality between user equipment 101 and second network device 103 may be better. Therefore, the method of user equipment 101 directly reporting indication information to second network device 103 can reduce information delay and transmission latency, further ensuring that second network device 103 promptly learns that user equipment 101 has completed cell handover and can quickly perform scheduling.

[0115] This disclosure provides a method for sending indication information, executed by user equipment 101. (Refer to...) Figure 4 , Figure 4 This is a method for sending indication information according to an exemplary embodiment, such as... Figure 4 As shown, the method includes step S401, specifically:

[0116] In step S401, user equipment 101 sends indication information to network equipment, the indication information being used to indicate that the handover process from the serving cell to the first candidate cell has been completed.

[0117] The network devices include a first network device 102 corresponding to the serving cell, or a second network device 103 corresponding to the first candidate cell.

[0118] In some possible implementations, the user equipment 101 sends the indication information after performing a cell handover.

[0119] In some possible implementations, when the network device is the first network device 102, the user equipment 101 sends an indication message to the first network device 102. The first network device 102 then sends the indication message to the second network device 103 via the Xn interface. In this implementation, the user equipment 101 sends the indication message to the second network device 103 through the first network device 102 to inform the second network device 103 that the cell handover has been completed.

[0120] In some possible implementations, when the network device is the second network device 103, the user equipment 101 directly sends indication information to the second network device 103. Before sending the indication information, the user equipment 101 has already accessed the second network device 103 and completed uplink and downlink synchronization with the second network device 103. In this implementation, the user equipment 101 directly reports the indication information to the second network device 103 to inform the second network device 103 that the cell handover has been completed.

[0121] In the embodiments of this disclosure, user equipment 101 can send indication information to a first network device 102 or a second network device 103, so that the first network device 102 can inform the second network device 103 of the completion of cell handover, or report the completion of cell handover to the second network device 103 by directly sending the instruction. Thus, the second network device 103 can promptly learn that user equipment 101 has completed cell handover, facilitating appropriate operation at the right time.

[0122] This disclosure provides a method for sending indication information, executed by user equipment 101. (Refer to...) Figure 5 , Figure 5 This is a method for sending indication information according to an exemplary embodiment, such as... Figure 5 As shown, the method includes steps S501 to S503, specifically:

[0123] In step S501, user equipment 101 receives a handover command sent by the first network device 102.

[0124] In some possible implementations, user equipment 101 receives the handover command sent by first network device 102 via MAC-CE signaling.

[0125] In some possible implementations, after receiving Layer 1 measurement results from user equipment 101 based on multiple candidate cells, the first network device 102 determines a first candidate cell (i.e., the target cell). After determining the first candidate cell, the first network device 102 may send a handover request to the second network device 103 corresponding to the first candidate cell, and then send a handover command to user equipment 101.

[0126] In step S502, user equipment 101 performs cell handover according to the handover command.

[0127] In some possible implementations, after receiving a handover command, user equipment 101 can perform cell handover, that is, disconnect from the first network device 102 and connect to the second network device 103.

[0128] In step S503, user equipment 101 sends indication information to network devices, indicating that the handover process from the serving cell to the first candidate cell has been completed. The network devices include either the first network device 102 corresponding to the serving cell, or the second network device 103 corresponding to the first candidate cell.

[0129] In some possible implementations, when the network device is the first network device 102, the user equipment 101 sends an indication message to the first network device 102 after completing the cell handover. The first network device 102 then sends this indication message to the second network device 103 via the Xn interface.

[0130] In some possible implementations, when the network device is the second network device 103, the user equipment 101 may send an instruction message to the second network device 103 after completing the cell handover.

[0131] In the embodiments of this disclosure, after receiving a handover instruction and completing a cell handover, user equipment 101 sends an indication message to a first network device 102 or a second network device 103 to report to the second network device 103 in a timely manner that user equipment 101 has completed a cell handover.

[0132] This disclosure provides a method for sending indication information, which is executed by user equipment 101.

[0133] The method includes steps S501, S502, S503-1, and S503-21, specifically:

[0134] In step S501, user equipment 101 receives a handover command sent by the first network device 102.

[0135] In step S502, user equipment 101 performs cell handover according to the handover command.

[0136] Step S503-1: After receiving the handover command, the user equipment 101 performs channel state quality (CSI) measurement of the first candidate cell according to the measurement configuration information.

[0137] In some possible implementations, the measurement configuration information may be sent by the first network device 102 to the user equipment 101. For example, the first network device 102 sends the measurement configuration information to the user equipment 101 before performing candidate cell measurements.

[0138] In some possible implementations, the measurement configuration information includes resource configurations related to Layer 1 measurement. Based on the resource configurations related to Layer 1 measurement, User Equipment 101 performs Layer 1 measurements on multiple candidate cells and reports the Layer 1 measurement results to First Network Equipment 102.

[0139] In this embodiment, the first network device 102 makes a decision based on the Layer 1 measurement results and determines the first candidate cell (i.e., the target cell) among multiple candidate cells. After determining the first candidate cell, the first network device 102 can send a handover request to the second network device 103 corresponding to the first candidate cell, and then send a handover command to the user equipment 101.

[0140] In some possible implementations, the handover command may include information about the first candidate cell.

[0141] In some possible implementations, the measurement configuration information also includes the relevant configuration of the first candidate cell (i.e., the target cell), such as the CSI measurement configuration (csi-MeasConfig) of the first candidate cell. After receiving the handover command, the user equipment 101 performs CSI measurement of the first candidate cell according to the csi-MeasConfig of the first candidate cell.

[0142] In some possible implementations, csi-MeasConfig may include, for example, resource configurations related to Channel State Information (CSI) measurements.

[0143] In one example, the resource configuration related to CSI measurement can be: CSI-Report configuration and CSI-Resource configuration. The CSI-Resource configuration indicates the parameters that user equipment 101 needs to measure during CSI measurement, while the CSI-Report configuration indicates the measured quantities or parameter values ​​that user equipment 101 needs to report after CSI measurement, i.e., the measured quantities obtained from measuring the parameters configured in the CSI-Resource configuration.

[0144] In one example, CSI-Resource includes CSI-RS resources, and CSI-Report includes CQI.

[0145] In this example, after performing CSI measurements based on CSI-RS resources, user equipment 101 obtains the corresponding CSI measurement results, such as the Channel Quality Indication (CQI) value.

[0146] In step S503-21, user equipment 101 sends indication information to first network device 102. The indication information includes a non-zero channel quality indication (CQI) determined based on CSI measurements.

[0147] In some possible implementations, a CQI is invalid when it is 0. The measurement result corresponding to a CQI is also invalid if no CQI value is obtained.

[0148] In some possible implementations, a non-zero CQI value indicates that the CQI is valid, meaning that a valid parameter for the channel state quality of the first candidate cell has been obtained. In this implementation, including a valid CQI in the indication information indicates that user equipment 101 has completed cell handover.

[0149] In some possible implementations, after receiving an indication message carrying a valid CQI, the first network device 102 knows that the user equipment 101 has completed cell handover and can send the indication message to the second network device 103. This approach is suitable for scenarios where the second network device 103 may not yet be monitoring the uplink information of the user equipment 101 in a timely manner. The user equipment 101 first sends the indication message to the serving cell's first network device 102 and promptly transmits the indication message based on the communication method between network devices, ensuring that the second network device 103 can promptly learn of the handover status of the user equipment 101.

[0150] Alternatively, the method includes steps S501, S502, S503-1, and S503-22, specifically:

[0151] In step S501, user equipment 101 receives a handover command sent by the first network device 102.

[0152] In step S502, user equipment 101 performs cell handover according to the handover command.

[0153] Step S503-1: After receiving the handover command, the user equipment 101 performs channel state quality (CSI) measurement of the first candidate cell according to the measurement configuration information.

[0154] In step S503-22, user equipment 101 sends indication information to the second network device 103. The indication information includes a non-zero channel quality indication (CQI) determined based on CSI measurements.

[0155] In some possible implementations, after obtaining the CSI measurement results, user equipment 101 can directly send indication information carrying CQI to the second network device 103. In this approach, considering the channel quality changes of the cell before and after handover in the handover scenario, the communication quality between user equipment 101 and the second network device 103 may be better than that of the first network device 102. Therefore, the method of user equipment 101 directly reporting indication information to the second network device 103 can reduce information delay and transmission latency, further ensuring that the second network device 103 is promptly informed that user equipment 101 has completed cell handover and can quickly perform scheduling.

[0156] It is understood that the embodiments of the methods disclosed herein may be executed independently or in combination, and the relevant implementation methods of the methods can be referred to the description of the foregoing embodiments, which are not all repeated here.

[0157] In this embodiment of the disclosure, after receiving a handover command from the first network device 102, the user equipment 101 can perform cell handover and CSI measurement of the first candidate cell to obtain the CQI corresponding to the first candidate cell. The user equipment 101 can either report indication information carrying a valid CQI to the first network device 102, so that the first network device 102 can inform the second network device 103 that the user equipment 101 has completed the cell handover; or the user equipment 101 can directly report indication information carrying a valid CQI to the second network device 103, so that the user equipment 101 can directly inform the second network device 103 that the user equipment 101 has completed the cell handover.

[0158] This disclosure provides a method for sending indication information, which is executed by user equipment 101.

[0159] The method includes steps S501, S502, and S503-31, specifically:

[0160] In step S501, user equipment 101 receives a handover command sent by the first network device 102.

[0161] In step S502, user equipment 101 performs cell handover according to the handover command.

[0162] Step S503-31: After the handover process is completed, the user equipment 101 sends a Media Access Control Unit (MAC-CE) signaling message to the first network device 102. The MAC-CE signaling message is used to determine the indication information.

[0163] In some possible implementations, the MAC-CE signaling may directly contain indication information or indirectly indicate the corresponding indication information.

[0164] In some possible implementations, 1 bit in the MAC-CE signaling can be used to indicate whether user equipment 101 has completed cell handover. For example, a value of 1 indicates that user equipment 101 has completed cell handover. Alternatively, a value of 0 indicates that user equipment 101 has completed cell handover.

[0165] In this embodiment of the disclosure, user equipment 101 sends indication information to first network device 102 via MAC-CE signaling, so that the first network device 102 can promptly inform the second network device 103 that user equipment 101 has completed cell handover.

[0166] Alternatively, the method includes steps S501, S502, and S503-32, specifically:

[0167] In step S501, user equipment 101 receives a handover command sent by the first network device 102.

[0168] In step S502, user equipment 101 performs cell handover according to the handover command.

[0169] Step S503-32: After the handover process is completed, the user equipment 101 sends a Media Access Control Unit (MAC-CE) signaling message to the second network device 103. The MAC-CE signaling message is used to determine the indication information.

[0170] In some possible implementations, MAC-CE signaling can directly or indirectly indicate the indication information.

[0171] In some possible implementations, 1 bit in the MAC-CE signaling can be used to indicate whether user equipment 101 has completed cell handover. For example, a value of 1 indicates that user equipment 101 has completed cell handover. Alternatively, a value of 0 indicates that user equipment 101 has completed cell handover.

[0172] In this embodiment of the disclosure, user equipment 101 sends indication information to second network device 103 via MAC-CE signaling to directly report to second network device 103 that cell handover has been completed.

[0173] It is understood that the embodiments of the methods disclosed herein may be executed independently or in combination, and the relevant implementation methods of the methods can be referred to the description of the foregoing embodiments, which are not all repeated here.

[0174] This disclosure provides a method for sending indication information, which is executed by user equipment 101.

[0175] The method includes steps S501, S502, and S503-41, specifically:

[0176] In step S501, user equipment 101 receives a handover command sent by the first network device 102.

[0177] In step S502, user equipment 101 performs cell handover according to the handover command.

[0178] Step S503-41: After the handover process is completed, the user equipment 101 sends uplink control information (UCI) to the first network device 102. The UCI is used to determine the indication information.

[0179] In some possible implementations, the UCI may directly contain indication information or indirectly indicate the indication information.

[0180] In some possible implementations, user equipment 101 can be indicated whether cell handover has been completed using 1 bit of information in the UCI. For example, a value of 1 indicates that user equipment 101 has completed cell handover. Alternatively, a value of 0 indicates that user equipment 101 has completed cell handover.

[0181] In this embodiment of the disclosure, user equipment 101 sends indication information to first network device 102 via UCI, so that the first network device 102 can promptly inform the second network device 103 that user equipment 101 has completed cell handover.

[0182] The method includes steps S501, S502, and S503-42, specifically:

[0183] In step S501, user equipment 101 receives a handover command sent by the first network device 102.

[0184] In step S502, user equipment 101 performs cell handover according to the handover command.

[0185] Step S503-42: After the handover process is completed, the user equipment 101 sends uplink control information (UCI) to the second network device 103. The UCI is used to determine the indication information.

[0186] In some possible implementations, the UCI may indicate the indication information directly or indirectly.

[0187] In some possible implementations, user equipment 101 can be indicated whether cell handover has been completed using 1 bit of information in the UCI. For example, a value of 1 indicates that user equipment 101 has completed cell handover. Alternatively, a value of 0 indicates that user equipment 101 has completed cell handover.

[0188] In this embodiment of the disclosure, the user equipment 101 sends an indication message to the second network device 103 via UCI to directly report to the second network device 103 that the cell handover has been completed.

[0189] It is understood that the embodiments of the methods disclosed herein may be executed independently or in combination, and the relevant implementation methods of the methods can be referred to the description of the foregoing embodiments, which are not all repeated here.

[0190] This disclosure provides a method for sending indication information, executed by user equipment 101. (Refer to...) Figure 6 , Figure 6 This is a method for transmitting indication information according to an exemplary embodiment, such as... Figure 6 As shown, the method includes steps S601 to S606, specifically:

[0191] In step S601, user equipment 101 receives measurement configuration information sent by the first network device 102.

[0192] In some possible implementations, the measurement configuration information may be sent by the first network device 102 to the user equipment 101 before the candidate cell measurement is performed.

[0193] In some possible implementations, the measurement configuration information includes layer 1 measurement-related resource configurations, such as the resource configuration of the reference signal under test.

[0194] In some possible implementations, the measurement configuration information may include multiple sets of Layer 1 measurement configurations, each corresponding to a candidate cell.

[0195] In step S602, user equipment 101 performs layer 1 measurement on the first candidate cell according to the measurement configuration information and obtains the layer 1 measurement result.

[0196] In some possible implementations, the user equipment 101 performs Layer 1 measurements on multiple candidate cells according to the measurement configuration information, and obtains the Layer 1 measurement results corresponding to each candidate cell.

[0197] For example, user equipment 101 performs layer 1 measurement on the first candidate cell according to the layer 1 measurement configuration corresponding to the first candidate cell, and obtains the layer 1 measurement result of the first candidate cell.

[0198] In some possible implementations, the Layer 1 measurement results of the first candidate cell may include one of the following: Layer 1 Reference Signal Received Power (L1-RSRP), L1-RSRP, L1-RSRQ, or L1-SINR; Layer 1 Reference Signal Received Quality (L1-RSRQ); and Layer 1 Signal to Interference plus Noise Ratio (L1-SINR).

[0199] Among them, the measurement process based on Layer 1 has lower measurement latency compared to the process based on Layer 3. With reduced measurement latency, the cell handover process based on Layer 1 measurement, especially in handover scenarios with limited cell coverage in FR2 scenarios, is beneficial for improving the throughput and mobility performance of the serving cell.

[0200] In step S603, user equipment 101 sends layer 1 measurement results to the first network device 102.

[0201] In some possible implementations, after obtaining the Layer 1 measurement results of each candidate cell, the user equipment 101 may send the Layer 1 measurement results of each candidate cell to the first network device 102. For example, the user equipment 101 sends the measurement results corresponding to the first candidate cell to the first network device 102.

[0202] In some possible implementations, the first network device 102 may make a decision based on the Layer 1 measurement results of multiple candidate cells and send a handover request to the network device corresponding to each candidate cell. The first network device 102 responds to the received handover request, determines the first candidate cell to be handed over and the handover command, and sends the handover command to the user equipment 101. The handover command may include information about the first candidate cell.

[0203] In step S604, user equipment 101 receives a handover command sent by the first network device 102.

[0204] In step S605, user equipment 101 performs cell handover according to the handover command.

[0205] In step S606, user equipment 101 sends indication information to network equipment, indicating that the handover process from the serving cell to the first candidate cell has been completed. The network equipment includes either the first network equipment 102 corresponding to the serving cell, or the second network equipment 103 corresponding to the first candidate cell.

[0206] It is understood that the embodiments of the methods disclosed herein may be executed independently or in combination, and the relevant implementation methods of the methods can be referred to the description of the foregoing embodiments, which are not all repeated here.

[0207] In this embodiment of the disclosure, by describing the measurement and cell handover process of user equipment 101, the timing for user equipment 101 to send indication information can be indicated.

[0208] This disclosure provides a method for transmitting indication information, executed by a first network device 102. (Refer to...) Figure 7 , Figure 7 This is a method for transmitting indication information according to an exemplary embodiment, such as... Figure 7 As shown, the method includes steps S701 to S702, specifically:

[0209] In step S701, the first network device 102 receives an indication message sent by the user equipment 101, the indication message indicating that the handover process of the user equipment 101 from the serving cell to the first candidate cell has been completed.

[0210] Among them, the first network device 102 is the network device corresponding to the serving cell.

[0211] In some possible implementations, the first network device 102 may receive indication information sent by the user equipment 101 via MAC-CE signaling or UCI.

[0212] In step S702, the first network device 102 sends indication information to the second network device 103, wherein the second network device 103 corresponds to the first candidate cell.

[0213] In some possible implementations, the first network device 102 may not process the instruction information and may directly forward it to the second network device 103.

[0214] In some possible implementations, the first network device 102 sends indication information to the second network device 103 via the Xn interface.

[0215] It is understood that the embodiments of the methods disclosed herein may be executed independently or in combination, and the relevant implementation methods of the methods can be referred to the description of the foregoing embodiments, which are not all repeated here.

[0216] In this embodiment of the disclosure, after receiving the indication information reported by the user equipment 101, the first network device 102 can forward the indication information to the second network device 103 to inform the second network device 103 that the user equipment 101 has completed the cell handover.

[0217] This disclosure provides a method for transmitting indication information, executed by a first network device 102. The method includes steps S700 to S702, specifically:

[0218] In step S700, the first network device 102 sends a handover command to the user equipment 101.

[0219] In some possible implementations, the first network device 102 sends a handover command via MAC-CE signaling to instruct the user equipment 101 to perform a cell handover.

[0220] In some possible implementations, the first network device 102 sends a handover command after receiving the Layer 1 measurement results from the user equipment 101 based on multiple candidate cells.

[0221] In some possible implementations, the handover command may include information about the first candidate cell.

[0222] In step S701, the first network device 102 receives an indication message sent by the user equipment 101, the indication message indicating that the handover process from the serving cell to the first candidate cell has been completed.

[0223] In some possible implementations, step S701 may include the following step S701-1, specifically:

[0224] Step S701-1: The first network device 102 receives indication information sent by the user equipment 101. The indication information includes a non-zero CQI determined by the user equipment 101 based on the CSI measurement of the first candidate cell.

[0225] In this embodiment, after receiving an indication message carrying a valid CQI, the first network device 102 learns that the user equipment 101 has completed cell handover.

[0226] In some possible implementations, step S701 may include the following steps S701-2, specifically:

[0227] In step S701-2, the first network device 102 receives the MAC-CE signaling sent by the user equipment 101. The MAC-CE signaling is used to determine the indication information.

[0228] In this embodiment, the first network device 102 can determine whether the user equipment 101 has completed cell handover by combining the value of the corresponding bit in the MAC-CE signaling.

[0229] In some possible implementations, step S701 may include the following steps S701-3, specifically:

[0230] In step S701-3, the first network device 102 receives the UCI sent by the user equipment 101. The UCI is used to determine indication information.

[0231] In this embodiment, the first network device 102 can determine whether the user equipment 101 has completed cell handover by combining the value of the corresponding bit in the UCI.

[0232] In step S702, the first network device 102 sends indication information to the second network device 103, wherein the second network device 103 corresponds to the first candidate cell.

[0233] It is understood that the embodiments of the methods disclosed herein may be executed independently or in combination, and the relevant implementation methods of the methods can be referred to the description of the foregoing embodiments, which are not all repeated here.

[0234] In this embodiment of the disclosure, after sending a handover command to the user equipment 101, the first network device 102 can receive the indication information sent by the user equipment 101 in various ways, and then send the indication information to the second network device 103 to inform the second network device 103 that the user equipment 101 has completed the cell handover.

[0235] This disclosure provides a method for transmitting indication information, executed by a first network device 102. Still referring to... Figure 6 As shown, Figure 6 This is a method for transmitting indication information according to an exemplary embodiment, the method including steps S601' to S603', specifically:

[0236] In step S601', the first network device 102 sends measurement configuration information to the user equipment 101.

[0237] In some possible implementations, the measurement configuration information includes resource configuration related to Layer 1 measurement, and may also include CSI measurement configuration of the first candidate cell.

[0238] In step S602', the first network device 102 receives the Layer 1 measurement results sent by the user equipment 101.

[0239] In some possible implementations, the first network device 102 may receive layer 1 measurement results corresponding to multiple candidate cells sent by the user equipment 101.

[0240] In some possible implementations, the first network device 102 makes a decision based on the Layer 1 measurement results and determines a first candidate cell (i.e., the target cell) among a plurality of candidate cells. After determining the first candidate cell, the first network device 102 may send a handover request to the second network device 103 corresponding to the first candidate cell, and then send a handover command to the user equipment 101.

[0241] In step S603', the first network device 102 determines the switching command based on the Layer 1 measurement results.

[0242] In some possible implementations, the handover command may include information about the first candidate cell.

[0243] In this embodiment of the disclosure, before receiving the instruction information, the first network device 102 may send out the corresponding measurement configuration information so that the user equipment 101 can perform cell measurement and handover process.

[0244] This disclosure provides a method for receiving indication information, executed by a second network device 103. (Refer to...) Figure 8 , Figure 8 This is a method for receiving indication information according to an exemplary embodiment, such as... Figure 8 As shown, the method includes step S801, specifically:

[0245] In step S801, the second network device 103 receives an indication message sent by the user equipment 101, or receives an indication message sent by the first network device 102. The indication message is used to indicate that the handover process of the user equipment 101 from the serving cell to the first candidate cell has been completed.

[0246] Among them, the first network device 102 corresponds to the serving cell, and the second network device 103 corresponds to the first candidate cell.

[0247] In some possible implementations, the first network device 102 and the second network device 103 exchange signaling or information based on the Xn interface. Specifically, the first network device 102 can send indication information received from the user equipment 101 to the second network device 103 via the Xn interface.

[0248] In some possible implementations, the second network device 103 may receive instruction information directly sent by the user equipment 101.

[0249] In some possible implementations, the indication information includes: a non-zero CQI determined by user equipment 101 based on CSI measurements of the first candidate cell.

[0250] In this implementation, when the CQI is non-zero, i.e., the CQI is valid, it indicates that the user equipment 101 has completed cell handover.

[0251] In some possible implementations, user equipment 101 may send the indication information via MAC-CE signaling or UCI.

[0252] In some possible implementations, step S801 may include step S801-1 or step S801-2, wherein:

[0253] In step S801-1, the second network device 103 receives the MAC-CE signaling sent by the user equipment 101. The MAC-CE signaling is used to determine the indication information.

[0254] In step S801-2, the second network device 103 receives the UCI sent by the user equipment 101. The UCI is used to determine indication information.

[0255] In this embodiment of the disclosure, the second network device 103 can receive indication information sent by the user equipment 101 or the first network device 102 to know that the user equipment 101 has completed cell handover, so as to perform reasonable operations at the appropriate time.

[0256] This disclosure provides a method for receiving indication information, executed by a second network device 103. The method includes steps S801 to S802, specifically:

[0257] In step S801, the second network device 103 receives an indication message sent by the user equipment 101, or receives an indication message sent by the first network device 102. The indication message is used to indicate that the handover process of the user equipment 101 from the serving cell to the first candidate cell has been completed.

[0258] In step S802, after receiving the instruction information, the second network device 103 schedules the user equipment 101.

[0259] In some possible implementations, after receiving the instruction information, the second network device 103 can promptly schedule the user equipment 101, such as scheduling the PDCCH or PDSCH.

[0260] In this embodiment of the disclosure, after receiving the instruction information, the second network device 103 can promptly know that the user equipment 101 has completed cell handover, thereby enabling timely scheduling of the user equipment 101 and improving communication efficiency and system performance.

[0261] To facilitate understanding of the embodiments of this disclosure, some specific examples are listed below.

[0262] This embodiment of the disclosure describes a method for a network device (i.e., the second network device 103) involving a target cell to obtain indication information indicating that UE 101 has completed cell handover. Specifically, the network device (i.e., the first network device 102) of the serving cell sends a cell handover command to UE 101 via MAC-CE signaling, and UE 101 performs the cell handover upon receiving the command. After UE 101 completes the cell handover, it can send indication information indicating the completion of cell handover to the target cell in the following manner.

[0263] Method 1:

[0264] The UE sends an indication message indicating that the cell handover has been completed to the serving cell (the source cell in this embodiment).

[0265] This method one may include the following steps 1 and 2, specifically:

[0266] Step 1: The UE sends an indication message indicating that the cell handover is complete to the serving cell;

[0267] Step 2: The serving cell then sends the indication information to the target cell through the Xn interface.

[0268] The indication message can be a valid CQI measured on the target cell reported by the UE to the serving cell. Alternatively, the UE can report an indication message indicating completion of the target cell handover to the serving cell via MAC-CE or UCI.

[0269] This approach can be implemented in the following two application scenarios:

[0270] Scenario 1: The serving cell sends a cell handover command to the UE via MAC-CE. Upon receiving the handover command, the UE performs the cell handover and simultaneously performs CSI measurements according to the csi-MeasConfig configuration in the target cell. When the UE reports a valid CQI (i.e., a non-zero CQI) of the target cell to the serving cell, meaning the serving cell receives the valid CQI feedback from the UE, it considers the UE to have completed the target cell handover. The serving cell then sends an indication message indicating that the UE has completed the cell handover to the target cell via the Xn interface.

[0271] Scenario 2: The serving cell sends a cell handover command to the UE via MAC-CE. After the UE executes and completes the target cell handover, it reports the completion of the target cell handover to the serving cell via MAC-CE message or UCI indication. Then, the serving cell sends the indication message that the UE has completed the cell handover to the target cell via the Xn interface.

[0272] Method 2:

[0273] UE101 sends an indication message indicating that the cell handover is complete to the target cell.

[0274] In its implementation, this second method can include the following two application scenarios:

[0275] Scenario 3: The serving cell sends a cell handover command to the UE via MAC-CE. After the UE executes and completes the handover to the target cell, it reports the completion of the handover to the target cell via MAC-CE message or UCI indication. Upon receiving the completion of the handover indication message from the UE, the target cell begins scheduling for the UE (e.g., scheduling PDCCH or PDSCH).

[0276] Scenario 4: The serving cell sends a cell handover command to the UE via MAC-CE. After receiving the handover command, the UE performs cell handover. At the same time, the UE performs CSI measurement according to the csi-MeasConfig configuration in the target cell configuration. When the UE reports a valid CQI (i.e., a non-zero CQI) to the target cell, the target cell considers that the UE has completed the target cell handover.

[0277] Based on the same concept as the above method embodiments, this disclosure also provides an apparatus for sending instruction information. This apparatus may possess the functions of the user equipment 101 in the above method embodiments and can be used to execute the steps performed by the user equipment 101 provided in the above method embodiments. This function can be implemented in hardware, or in software, or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above functions.

[0278] In one possible implementation, such as Figure 9 The device 900 shown can serve as the user equipment 101 involved in the above method embodiments, and perform the steps executed by the user equipment 101 in the above method embodiments. For example... Figure 9 As shown, the device 900 may include a transceiver module 901, wherein the transceiver module 901 can be used to support the communication device to perform communication.

[0279] When performing the steps implemented by user equipment 101, transceiver module 901 is configured to send indication information to network device, the indication information being used to indicate that the handover process of the user equipment from serving cell to first candidate cell has been completed; wherein, the network device includes a first network device corresponding to the serving cell, or a second network device corresponding to the first candidate cell.

[0280] When the device is user equipment 101, its structure can also be as follows: Figure 10As shown. Device 1000 can be a mobile phone, computer, digital broadcasting terminal, messaging device, game console, tablet device, medical device, fitness equipment, personal digital assistant, etc.

[0281] Reference Figure 10 The device 1000 may include one or more of the following components: a processing component 1002, a memory 1004, a power supply component 1006, a multimedia component 1008, an audio component 1010, an input / output (I / O) interface 1012, a sensor component 1014, and a communication component 1016.

[0282] Processing component 1002 typically controls the overall operation of device 1000, such as operations associated with display, telephone calls, data communication, camera operation, and recording operations. Processing component 1002 may include one or more processors 1020 to execute instructions to perform all or part of the steps of the methods described above. Furthermore, processing component 1002 may include one or more modules to facilitate interaction between processing component 1002 and other components. For example, processing component 1002 may include a multimedia module to facilitate interaction between multimedia component 1008 and processing component 1002.

[0283] Memory 1004 is configured to store various types of data to support the operation of device 1000. Examples of this data include instructions for any application or method operating on device 1000, contact data, phonebook data, messages, pictures, videos, etc. Memory 1004 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic storage, flash memory, magnetic disk, or optical disk.

[0284] Power supply component 1006 provides power to various components of device 1000. Power supply component 1006 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 1000.

[0285] Multimedia component 1008 includes a screen that provides an output interface between device 1000 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touchscreen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensors may sense not only the boundaries of touch or swipe actions but also the duration and pressure associated with the touch or swipe operation. In some embodiments, multimedia component 1008 includes a front-facing camera and / or a rear-facing camera. When device 1000 is in an operating mode, such as a shooting mode or a video mode, the front-facing camera and / or rear-facing camera may receive external multimedia data. Each front-facing camera and rear-facing camera may be a fixed optical lens system or have focal length and optical zoom capabilities.

[0286] Audio component 1010 is configured to output and / or input audio signals. For example, audio component 1010 includes a microphone (MIC) configured to receive external audio signals when device 1000 is in an operating mode, such as call mode, recording mode, and voice recognition mode. The received audio signals may be further stored in memory 1004 or transmitted via communication component 1016. In some embodiments, audio component 1010 also includes a speaker for outputting audio signals.

[0287] I / O interface 1012 provides an interface between processing component 1002 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to, home buttons, volume buttons, power buttons, and lock buttons.

[0288] Sensor assembly 1014 includes one or more sensors for providing state assessments of various aspects of device 1000. For example, sensor assembly 1014 may detect the on / off state of device 1000, the relative positioning of components such as the display and keypad of device 1000, changes in the position of device 1000 or a component of device 1000, the presence or absence of user contact with device 1000, the orientation or acceleration / deceleration of device 1000, and temperature changes of device 1000. Sensor assembly 1014 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. Sensor assembly 1014 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, sensor assembly 1014 may also include an accelerometer, a gyroscope, a magnetometer, a pressure sensor, or a temperature sensor.

[0289] Communication component 1016 is configured to facilitate wired or wireless communication between device 1000 and other devices. Device 1000 can access wireless networks based on communication standards, such as WiFi, 2G, or 3G, or combinations thereof. In one exemplary embodiment, communication component 1016 receives broadcast signals or broadcast-related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, communication component 1016 also includes a near-field communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

[0290] In an exemplary embodiment, the apparatus 1000 may be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field-programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components to perform the methods described above.

[0291] In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 1004 including instructions, which can be executed by a processor 1020 of the device 1000 to perform the above-described method. For example, the non-transitory computer-readable storage medium may be a ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, and optical data storage device, etc.

[0292] Based on the same concept as the above method embodiments, this disclosure also provides an apparatus for transmitting indication information. This apparatus may possess the functions of the first network device 102 in the above method embodiments and can be used to execute the steps performed by the first network device 102 provided in the above method embodiments. This function can be implemented in hardware, or in software, or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above functions.

[0293] In one possible implementation, such as Figure 11 The communication device 1100 shown can serve as the first network device 102 involved in the above method embodiments, and perform the steps executed by the first network device 102 in the above method embodiments. For example... Figure 11 As shown, the communication device 1100 may include a transceiver module 1101, wherein the transceiver module 1101 can be used to support the communication device to communicate, and the transceiver module 1101 may have wireless communication function, such as being able to communicate wirelessly with other communication devices through a wireless air interface.

[0294] When performing the steps implemented by the first network device 102, the transceiver module 1101 is configured to receive indication information sent by the user equipment, the indication information being used to indicate that the handover process of the user equipment from the serving cell to the first candidate cell has been completed.

[0295] The transceiver module 1101 is configured to send the indication information to a second network device, wherein the second network device corresponds to the first candidate cell.

[0296] When the communication device is the first network device 102, its structure can also be as follows: Figure 12 As shown. The structure of a communication device is illustrated using a base station as an example. (As shown...) Figure 12 As shown, the device 1200 includes a memory 1201, a processor 1202, a transceiver component 1203, and a power supply component 1206. The memory 1201 is coupled to the processor 1202 and can be used to store the programs and data necessary for the communication device 1200 to implement its various functions. The processor 1202 is configured to support the communication device 1200 in performing the corresponding functions in the above-described methods, which can be implemented by calling the programs stored in the memory 1201. The transceiver component 1203 can be a wireless transceiver, used to support the communication device 1200 in receiving signaling and / or data, and transmitting signaling and / or data via a wireless air interface. The transceiver component 1203 can also be referred to as a transceiver unit or communication unit. The transceiver component 1203 may include a radio frequency component 1204 and one or more antennas 1205. The radio frequency component 1204 can be a remote radio unit (RRU), specifically used for the transmission of radio frequency signals and the conversion between radio frequency signals and baseband signals. The one or more antennas 1205 are specifically used for the radiation and reception of radio frequency signals.

[0297] When the communication device 1200 needs to send data, the processor 1202 performs baseband processing on the data to be sent and outputs a baseband signal to the radio frequency (RF) unit. The RF unit then performs RF processing on the baseband signal and transmits the RF signal as electromagnetic waves through an antenna. When data is sent to the communication device 1200, the RF unit receives the RF signal through the antenna, converts the RF signal into a baseband signal, and outputs the baseband signal to the processor 1202. The processor 1202 converts the baseband signal back into data and processes the data.

[0298] Based on the same concept as the above method embodiments, this disclosure also provides a device for receiving instruction information. This device may have the functions of the second network device 103 in the above method embodiments and may be used to execute the steps performed by the second network device 103 provided in the above method embodiments. This function may be implemented by hardware, or by software, or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above functions.

[0299] In one possible implementation, such as Figure 13 The communication device 1300 shown can serve as the second network device 103 involved in the above method embodiments, and perform the steps executed by the second network device 103 in the above method embodiments. For example... Figure 13 As shown, the communication device 1300 may include a transceiver module 1201, wherein the transceiver module 1301 can be used to support the communication device to communicate, and the transceiver module 1301 may have wireless communication function, such as being able to communicate wirelessly with other communication devices through a wireless air interface.

[0300] When performing the steps implemented by the second network device 103, the transceiver module 1301 is configured to receive indication information sent by the user equipment, or to receive the indication information sent by the first network device, wherein the indication information is used to indicate that the handover process of the user equipment from the serving cell to the first candidate cell has been completed; wherein the first network device corresponds to the serving cell.

[0301] When the communication device is the second network device 103, its structure can also be referenced. Figure 12 As shown.

[0302] Other embodiments of the present disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the embodiments of this disclosure that follow the general principles of the embodiments of this disclosure and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of the embodiments of this disclosure are indicated by the following claims.

[0303] It should be understood that the embodiments disclosed herein are not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from their scope. The scope of the embodiments disclosed herein is limited only by the appended claims.

[0304] Industrial applicability

[0305] In the method disclosed herein, the user equipment can send indication information to either the first network device or the second network device, so that the first network device can inform the second network device of the completion of cell handover, or report the completion of cell handover to the second network device directly. This allows the second network device to promptly learn that the user equipment has completed cell handover, facilitating appropriate action at the right time.

Claims

1. A method for sending indication information, executed by a user equipment, the method comprising: Receive measurement configuration information sent by the first network device, wherein the measurement configuration information includes multiple sets of Layer 1 measurement configurations, and each set of Layer 1 measurement configurations corresponds to a candidate cell; Based on the measurement configuration information, Layer 1 measurements are performed on multiple candidate cells respectively to obtain the Layer 1 measurement results for each candidate cell; Send the Layer 1 measurement results of each candidate cell to the first network device; The system receives a handover command sent by a first network device. The handover command includes information about a first candidate cell. The handover command and the first candidate cell are determined by the first network device in response to a handover request from the plurality of candidate cells. The handover request response is determined based on a handover request sent by the first network device to the network device corresponding to each candidate cell. The handover request is determined by the first network device based on the Layer 1 measurement results of each candidate cell. Execute cell handover according to the handover command; The indication information is sent to the second network device corresponding to the first candidate cell or the first network device corresponding to the serving cell. The indication information includes a non-zero Channel Quality Indicator (CQI) determined based on the Layer 1 measurement. The non-zero CQI is used to indicate that the handover process of the user equipment from the serving cell to the first candidate cell has been completed.

2. The method as described in claim 1, wherein, Sending the indication information to the second network device corresponding to the first candidate cell or the first network device corresponding to the serving cell includes: After the handover process is completed, a Media Access Control Unit (MAC-CE) signaling message is sent to the second network device or the first network device. The MAC-CE signaling message is used to determine the indication information.

3. The method as described in claim 1, wherein, Sending the indication information to the second network device corresponding to the first candidate cell or the first network device corresponding to the serving cell includes: After the handover process is completed, an uplink control information (UCI) is sent to the second network device or the first network device, the UCI being used to determine the indication information.

4. A method for transmitting indication information, executed by a first network device corresponding to a serving cell, the method comprising: The measurement configuration information is sent to the user equipment, which includes multiple sets of Layer 1 measurement configurations, each set of Layer 1 measurement configurations corresponding to a candidate cell; the measurement configuration information is used by the user equipment to perform Layer 1 measurements on the multiple candidate cells respectively, and obtain the Layer 1 measurement results corresponding to each candidate cell; Receive the Layer 1 measurement results of each candidate cell sent by the user equipment; Based on the Layer 1 measurement results of each candidate cell, a handover request is sent to the network device corresponding to each candidate cell; Based on the received handover request responses from the plurality of candidate cells, a first candidate cell and a handover command are determined, wherein the handover command includes information about the first candidate cell; Send the handover command to the user equipment; The user equipment receives an indication message, which includes a non-zero CQI determined by the user equipment based on the CSI measurement of the first candidate cell. The non-zero CQI is used to indicate that the handover process from the serving cell to the first candidate cell has been completed. The indication information is sent to a second network device, wherein the second network device corresponds to the first candidate cell.

5. The method of claim 4, wherein, The receipt of the indication information sent by the user equipment includes: The system receives MAC-CE signaling sent by the user equipment, the MAC-CE signaling being used to determine the indication information.

6. The method of claim 4, wherein, The receipt of the indication information sent by the user equipment includes: The system receives a UCI sent by the user equipment, the UCI being used to determine the indication information.

7. A method for receiving indication information, executed by a second network device corresponding to a first candidate cell, the method comprising: The system receives indication information sent by a user equipment, or receives the indication information sent by a first network device. The indication information includes a non-zero Channel Quality Indicator (CQI) determined based on Layer 1 measurements. The non-zero CQI is used to indicate that the handover process of the user equipment from the serving cell to the first candidate cell has been completed. The first network device corresponds to the serving cell; The indication information is sent after the user equipment performs cell handover according to the handover command. The handover command is sent to the user equipment by the first network device. The handover command includes information about a first candidate cell. The handover command and the first candidate cell are determined by the first network device based on the handover request response of the plurality of candidate cells. The handover request response is determined based on the handover request sent by the first network device to the network device corresponding to each candidate cell. The handover request is determined by the first network device based on the Layer 1 measurement results of each candidate cell.

8. The method of claim 7, wherein, The indication information received from the user equipment includes one of the following: Receive MAC-CE signaling sent by the user equipment, wherein the MAC-CE signaling is used to determine the indication information; The system receives a UCI sent by the user equipment, the UCI being used to determine the indication information.

9. The method of claim 7 or 8, wherein, The method further includes: Upon receiving the instruction information, the user equipment is scheduled.

10. An apparatus for transmitting indication information, configured in a user equipment, the apparatus comprising: The device is used to: receive measurement configuration information sent by a first network device, wherein the measurement configuration information includes multiple sets of Layer 1 measurement configurations, and each set of Layer 1 measurement configurations corresponds to a candidate cell; Based on the measurement configuration information, Layer 1 measurements are performed on multiple candidate cells respectively to obtain the Layer 1 measurement results for each candidate cell; Send the Layer 1 measurement results of each candidate cell to the first network device; The transceiver module is used to receive a handover command sent by a first network device. The handover command includes information about a first candidate cell. The handover command and the first candidate cell are determined by the first network device based on a handover request response from the first network device to the handover request sent to the network device corresponding to each candidate cell. The handover request is determined by the first network device based on the Layer 1 measurement results of each candidate cell. The processing module is used to perform cell handover according to the handover command; The transceiver module is further configured to send the indication information to the second network device corresponding to the first candidate cell or the first network device corresponding to the serving cell. The indication information includes a non-zero channel quality indicator (CQI) determined based on the layer 1 measurement. The non-zero CQI is used to indicate that the handover process of the user equipment from the serving cell to the first candidate cell has been completed.

11. An apparatus for transmitting indication information, configured in a first network device, the apparatus comprising: The device is used for: The measurement configuration information is sent to the user equipment, which includes multiple sets of Layer 1 measurement configurations, each set of Layer 1 measurement configurations corresponding to a candidate cell; the measurement configuration information is used by the user equipment to perform Layer 1 measurements on the multiple candidate cells respectively, and obtain the Layer 1 measurement results corresponding to each candidate cell; Receive the Layer 1 measurement results of each candidate cell sent by the user equipment; Based on the Layer 1 measurement results of each candidate cell, a handover request is sent to the network device corresponding to each candidate cell; Based on the received handover request responses from the plurality of candidate cells, a first candidate cell and a handover command are determined, wherein the handover command includes information about the first candidate cell; The transceiver module is used to send the switching command to the user equipment; The transceiver module is further configured to receive indication information sent by the user equipment, the indication information including a non-zero CQI determined by the user equipment based on the CSI measurement of the first candidate cell, the non-zero CQI being used to indicate that the handover process of the user equipment from the serving cell to the first candidate cell has been completed; The transceiver module is further configured to send the indication information to a second network device, wherein the second network device corresponds to the first candidate cell.

12. An apparatus for receiving instruction information, configured in a second network device, the apparatus comprising: The transceiver module is used to receive indication information sent by the user equipment, or to receive the indication information sent by the first network device. The indication information includes a non-zero channel quality indicator (CQI) determined based on layer 1 measurements. The non-zero CQI is used to indicate that the handover process of the user equipment from the serving cell to the first candidate cell has been completed. The first network device corresponds to the serving cell; The indication information is sent after the user equipment performs cell handover according to the handover command. The handover command is sent to the user equipment by the first network device. The handover command includes information about a first candidate cell. The handover command and the first candidate cell are determined by the first network device based on the handover request response of the plurality of candidate cells. The handover request response is determined based on the handover request sent by the first network device to the network device corresponding to each candidate cell. The handover request is determined by the first network device based on the Layer 1 measurement results of each candidate cell.

13. A user equipment, comprising a processor and a memory, wherein, The memory is used to store computer programs; The processor is used to execute the computer program to implement the method as described in any one of claims 1-3.

14. A network device, comprising a processor and a memory, wherein, The memory is used to store computer programs; The processor is configured to execute the computer program to implement the method as described in any one of claims 4-6, or the method as described in any one of claims 7-9.

15. A computer-readable storage medium storing instructions that, when invoked and executed on a computer, cause the computer to perform the method as described in any one of claims 1-3.

16. A computer-readable storage medium storing instructions that, when invoked and executed on a computer, cause the computer to perform the method as claimed in any one of claims 4-6, or the method as claimed in any one of claims 7-9.

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