WO2023011403A1 - 移动接入点及其pci分配方法及装置 - Google Patents

移动接入点及其pci分配方法及装置 Download PDF

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Publication number
WO2023011403A1
WO2023011403A1 PCT/CN2022/109404 CN2022109404W WO2023011403A1 WO 2023011403 A1 WO2023011403 A1 WO 2023011403A1 CN 2022109404 W CN2022109404 W CN 2022109404W WO 2023011403 A1 WO2023011403 A1 WO 2023011403A1
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WO
WIPO (PCT)
Prior art keywords
access point
pci
fixed access
mobile access
current
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PCT/CN2022/109404
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English (en)
French (fr)
Inventor
曹春燕
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展讯半导体(南京)有限公司
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Publication of WO2023011403A1 publication Critical patent/WO2023011403A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength

Definitions

  • the present invention relates to the field of communication technology, in particular to a mobile access point and its PCI allocation method and device, a readable storage medium, a source fixed access point, and a target fixed access point.
  • a mobile access point can be configured on a mobile facility, serving as a base station to provide network coverage and communication for terminals inside or near the facility.
  • the mobile facility may be selected from, for example, a car, a bus, a train, a high-speed rail, a ship, an airplane, an unmanned aerial vehicle, and the like.
  • the mobile access point can be used as a transfer station to connect to the fixed access point of the access network, and then access the data network via the fixed access point, and the fixed access point can also be called a macro base station (Donor gNB).
  • Donor gNB macro base station
  • Each fixed access point has its own serving cell.
  • the mobile access point serves as a base station to provide services for the terminal, it is necessary to assign physical cell identities (PCI) to the mobile access point.
  • PCI physical cell identities
  • the PCI is used to identify the serving cell, so that the terminal can determine the serving cell to be accessed through the PCI of the mobile access point.
  • the target fixed access point when the mobile access point switches from the serving cell of the source fixed access point to the serving cell of the target fixed access point, usually after the handover is successful, the target fixed access point A new PCI is allocated to the mobile access point, so that the terminal equipment connected to the mobile access point is synchronized to the serving cell of the target fixed access point.
  • the terminal device needs to receive a synchronization signal based on the new PCI configuration from the mobile access point after the handover is successful, and then synchronize with the serving cell after the handover, which may cause service failure during this period of time. interruption or delay.
  • the technical problem solved by the present invention is to provide a mobile access point and its PCI allocation method and device, a readable storage medium, a source fixed access point, and a target fixed access point. Completing PCI allocation in advance can effectively reduce service interruption and delay.
  • an embodiment of the present invention provides a PCI allocation method for a mobile access point, including: sending a first handover request to a source fixed access point, the first handover request including the mobile access point The current PCI, the first handover request is used to instruct the mobile access point to request handover from the serving cell of the source fixed access point; receive RRC reconfiguration information from the source fixed access point, the RRC The reconfiguration information includes PCI indication information of the allocated mobile access point; wherein, the allocated PCI is determined according to the current PCI, and the allocated PCI is the same as or different from the current PCI.
  • the first handover request further includes one or more candidate target fixed access points; wherein, the first handover request is used to instruct the mobile access point to switch from the source fixed access point to The serving cell of the request is handed over to the serving cell of a candidate target fixed access point.
  • the allocated PCI is determined by the target fixed access point according to whether the current PCI belongs to the PCI list of the target fixed access point and is not used.
  • the allocated The PCI is the same as the current PCI.
  • the allocated PCI and The current PCI is not the same.
  • the allocated PCI is different from the current PCI.
  • the target fixed access point is selected by the source fixed access point from candidate target fixed access points.
  • an embodiment of the present invention provides a PCI allocation method for a mobile access point, including: receiving a first handover request from the mobile access point, and the first handover request includes the mobile access point The current PCI of the point, the first handover request is used to instruct the mobile access point to request handover from the serving cell of the source fixed access point; send a second handover request to the target fixed access point, and the second handover request contains the current PCI of the mobile access point, and the second handover request is used to instruct the mobile access point to request handover from the serving cell of the source fixed access point to the service of the target fixed access point cell; receiving handover response information from the target fixed access point, the handover response message including PCI indication information of the allocated mobile access point; sending RRC reconfiguration information to the mobile access point, the RRC The reconfiguration information includes PCI indication information of the allocated mobile access point; wherein, the allocated PCI is determined according to the current PCI, and the allocated PCI is the same as or different from the current PCI .
  • the first handover request further includes one or more candidate target fixed access points; wherein, the first handover request is used to instruct the mobile access point to switch from the source fixed access point to The serving cell of the request is handed over to the serving cell of a candidate target fixed access point.
  • the allocated PCI is determined by the target fixed access point according to whether the current PCI belongs to the PCI list of the target fixed access point and is not used.
  • sending the second handover request to the target fixed access point includes: selecting the target fixed access point, and sending the second handover request to the target fixed access point.
  • an embodiment of the present invention provides a PCI allocation method for a mobile access point, including: receiving a second handover request from a source fixed access point, the second handover request including the mobile access point The current PCI, the second handover request is used to instruct the mobile access point to request handover from the serving cell of the source fixed access point to the serving cell of the target fixed access point; after determining the allocation according to the current PCI PCI; send switching response information to the source fixed access point, and the switching response message includes the PCI indication information of the allocated mobile access point; wherein, the allocated PCI is the same as the current PCI same or different.
  • determining the allocated PCI according to the current PCI includes: if the current PCI belongs to the PCI list of the target fixed access point, and the current PCI is not used in the target fixed access point and configuring the assigned PCI indication information of the mobile access point to continue to use the current PCI.
  • determining the allocated PCI according to the current PCI includes: if the current PCI belongs to the PCI list of the target fixed access point, and the current PCI is being used in the target fixed access point and configuring the assigned PCI indication information of the mobile access point as a PCI in the PCI list of the target fixed access point except the current PCI.
  • determining the allocated PCI according to the current PCI includes: if the current PCI does not belong to the PCI list of the target fixed access point, configuring the allocated PCI indication information as the target fixed access point A PCI in the list of PCIs.
  • the target fixed access point is selected by the source fixed access point.
  • an embodiment of the present invention provides a PCI allocation device for a mobile access point, including: a first request sending module, configured to send a first switching request to the source fixed access point, and the first switching request Including the current PCI of the mobile access point, the first handover request is used to instruct the mobile access point to request a handover from the serving cell of the source fixed access point; the reconfiguration receiving module is used to request handover from the serving cell of the source fixed access point
  • the source fixed access point receives RRC reconfiguration information, and the RRC reconfiguration information includes PCI indication information of the allocated mobile access point; wherein, the allocated PCI is determined according to the current PCI, and the The allocated PCI is the same as or different from the current PCI.
  • an embodiment of the present invention provides a PCI allocation device for a mobile access point, including: a first request receiving module, configured to receive a first switching request from the mobile access point, the first switching The request includes the current PCI of the mobile access point, and the first handover request is used to instruct the mobile access point to request handover from the serving cell of the source fixed access point; the second request sending module is used to send the target The fixed access point sends a second switching request, the second switching request includes the current PCI of the mobile access point, and the second switching request is used to instruct the mobile access point to fixedly access the The serving cell of the point requests to switch to the serving cell of the target fixed access point; the handover response receiving module is used to receive handover response information from the target fixed access point, and the handover response message includes the allocated mobile access point The PCI instruction information of the entry point; the reconfiguration sending module is used to send the RRC reconfiguration information to the mobile access point, and the RRC reconfiguration information includes the PCI instruction information of the allocated mobile access
  • an embodiment of the present invention provides a PCI allocation device for a mobile access point, including: a second request receiving module, configured to receive a second switching request from a source fixed access point, and the second switching request contains the current PCI of the mobile access point, and the second handover request is used to instruct the mobile access point to request handover from the serving cell of the source fixed access point to the serving cell of the target fixed access point; A PCI determining module, configured to determine the assigned PCI according to the current PCI; a switching response sending module, configured to send switching response information to the source fixed access point, and the switching response message includes the allocated mobile PCI indication information of the access point; wherein, the allocated PCI is the same as or different from the current PCI.
  • an embodiment of the present invention provides a readable storage medium on which a computer program is stored, and when the computer program is run by a processor, the steps of the above method for assigning a PCI to a mobile access point are executed.
  • an embodiment of the present invention provides a mobile access point, including a memory and a processor, the memory stores a computer program that can run on the processor, and the processor runs the computer The program executes the steps of the above-mentioned PCI allocation method for the mobile access point.
  • an embodiment of the present invention provides a source fixed access point, including a memory and a processor, the memory stores a computer program that can run on the processor, and the processor runs the The computer program executes the steps of the above-mentioned PCI allocation method for mobile access points.
  • an embodiment of the present invention provides a target fixed access point, including a memory and a processor, the memory stores a computer program that can run on the processor, and the processor runs the The computer program executes the steps of the above-mentioned PCI allocation method for mobile access points.
  • the mobile access point completes the PCI allocation during the handover process, and when sending the first handover request to the source fixed access point, the current PCI of the mobile access point is included.
  • the source fixed access point receives the RRC reconfiguration information, it includes the allocated PCI indication information of the mobile access point.
  • the allocated PCI can be obtained earlier, so that the terminal equipment can be synchronized with the serving cell after the handover earlier, which can effectively reduce service interruption and reduce delay.
  • the allocated PCI is determined by the target fixed access point according to whether the current PCI belongs to the PCI list of the target fixed access point and is not used.
  • the target fixed access point The entry point does not know the current PCI of the mobile access point, which may lead to random allocation.
  • Using the solution in the embodiment of the present invention can improve the possibility of continuing to use the current PCI, and the mobile access point does not need to be configured for a new PCI. And send a new synchronization signal, the terminal device does not need to analyze the new synchronization signal for synchronization, effectively reducing the workload and signaling overhead.
  • the target fixed access point may be selected by the source fixed access point, so that the accuracy and reliability of selecting the target fixed access point may be improved.
  • the mobile access point does not need to configure and send a new synchronization signal for the new PCI, and the terminal device does not need to parse the new synchronization signal for synchronization, effectively reducing the workload and signal order overhead.
  • the current PCI belongs to the PCI list of the target fixed access point, and the current PCI is being used, configure the assigned PCI indication information of the mobile access point to be in the PCI list of the target fixed access point
  • a PCI other than the current PCI can be assigned a valid PCI in time when the current PCI cannot continue to be used, so as to effectively avoid PCI conflicts.
  • FIG. 1 is a schematic diagram of a communication architecture in the prior art
  • Fig. 2 is a flowchart of a PCI allocation method of a mobile access point in an embodiment of the present invention
  • Fig. 3 is a data flow diagram of another PCI allocation method of a mobile access point in an embodiment of the present invention.
  • FIG. 4 is a flowchart of another PCI allocation method for a mobile access point in an embodiment of the present invention.
  • FIG. 5 is a flowchart of another PCI allocation method for a mobile access point in an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a PCI allocation device for a mobile access point in an embodiment of the present invention.
  • Fig. 7 is a schematic structural diagram of another PCI allocation device for a mobile access point in an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of another PCI allocation device for a mobile access point in an embodiment of the present invention.
  • a mobile access point may serve as a transfer station to connect to a fixed access point of an access network, and then access a data network via the fixed access point.
  • FIG. 1 is a schematic diagram of a communication architecture in the prior art.
  • a user terminal (User Equipment, UE) 11 is connected to a mobile access point 12, and the mobile access point 12 serves as a transfer station to connect to a fixed access point 13 of the access network, and then via the fixed access point 13 Access to a data network, such as access to a 5G wireless core network (5G core network, 5GC) 14, so as to provide services such as voice and data for UE11.
  • a data network such as access to a 5G wireless core network (5G core network, 5GC) 14
  • 5G core network, 5GC 5G wireless core network
  • the mobile access point 12 needs to switch between the serving cells of different fixed access points, that is, when switching from the serving cell of the source fixed access point to the serving cell of the target fixed access point, the existing handover The method still needs to be optimized.
  • the target fixed access point assigns a new PCI to the mobile access point according to its own PCI list, so that the terminal equipment connected to the mobile access point is synchronized to the target
  • the serving cell of the fixed access point therefore, the mobile access point 12 needs to know the new PCI after the handover is successful, and then perform subsequent steps, such as sending a synchronization signal based on the new PCI configuration to the UE 11, and this series of The steps need to take a certain amount of time, causing UE 11 to easily cause service interruption or delay during the process from handing over to a new serving cell to completing cell synchronization.
  • the mobile access point completes the PCI allocation during the handover process, and when sending the first handover request to the source fixed access point, the current PCI of the mobile access point is included.
  • the source fixed access point receives the RRC reconfiguration information, it includes the allocated PCI indication information of the mobile access point. It is possible to receive the allocated PCI by sending its own PCI when requesting switching, and the allocated PCI is still determined according to the current PCI. Obtaining the allocated PCI earlier enables the terminal device to synchronize with the switched serving cell earlier, improving signal quality and reducing time delay can effectively reduce service interruption and reduce time delay.
  • FIG. 2 is a flowchart of a PCI allocation method for a mobile access point in an embodiment of the present invention.
  • the PCI allocation method of the mobile access point may be used for the mobile access point, and may also include steps S21 to S22:
  • Step S21 Send a first switching request to the source fixed access point, the first switching request includes the current PCI of the mobile access point, and the first switching request is used to instruct the mobile access point to switch from the The serving cell of the source fixed access point requests handover;
  • Step S22 receiving RRC reconfiguration information from the source fixed access point, the RRC reconfiguration information including the PCI indication information of the allocated mobile access point;
  • the allocated PCI is determined according to the current PCI, and the allocated PCI is the same as or different from the current PCI.
  • the method may be implemented in the form of a software program, and the software program runs in a processor integrated in a chip or a chip module.
  • the mobile access point sends a first switching request to the source fixed access point, the first switching request includes the current PCI of the mobile access point, and the first switching request is used for Instructing the mobile access point to request a handover from the serving cell of the source fixed access point.
  • the mobile access point does not actively send the current PCI, and the target fixed access point does not know the current PCI of the mobile access point, which may lead to random allocation.
  • the mobile access point The access point actively includes the current PCI when sending the first handover request, so that the target fixed access point can be more targeted when allocating the PCI.
  • the first handover request further includes one or more candidate target fixed access points.
  • the mobile access point in order to realize that the mobile access point requests handover from the serving cell of the source fixed access point to the serving cell of the target fixed access point, the mobile access point can be configured to send a handover request
  • the handover request sent by the mobile access point can be multiplexed, and the current PCI can be added therein, thereby effectively saving signaling overhead.
  • the first handover request may be measurement reporting signaling in the existing handover technology.
  • FIG. 3 is a data flow diagram of another PCI allocation method for a mobile access point in an embodiment of the present invention.
  • Yet another PCI allocation method for a mobile access point may include steps S31 to S35, and each step will be described below.
  • step S31 the mobile access point 31 sends a first handover request to the source fixed access point 32 .
  • the first handover request also includes one or more candidate target fixed access points; wherein, the first handover request is used to instruct the mobile access point 31 to switch from the source fixed access point to The serving cell of 32 requests to switch to the serving cell of a candidate target fixed access point 33 .
  • the first handover request may be measurement reporting signaling in the existing handover technology.
  • the mobile access point 31 may determine one or more candidate target fixed access points, and then the source fixed access point 32 determines one of the target fixed access points 33, and sends the second handover request to it.
  • step S31 for more details about step S31, please refer to the description of step S21 in FIG. 1 for execution, and details will not be repeated here.
  • step S32 the source fixed access point 32 sends a second switching request to the target fixed access point 33, the second switching request includes the current PCI of the mobile access point 31, and the second switching request uses Instructing the mobile access point 31 to request handover from the serving cell of the source fixed access point 32 to the serving cell of the target fixed access point 33 .
  • the target fixed access point 33 does not know the current PCI of the mobile access point 31 when assigning PCI, which may result in random allocation.
  • the source fixed access point The access point 32 actively includes the current PCI when sending the second switching request, so that the target fixed access point 33 can be more targeted when allocating the PCI.
  • the source fixed access Point 32 in order to realize that the mobile access point 31 requests handover from the serving cell of the source fixed access point 32 to the serving cell of the target fixed access point 33, the source fixed access Point 32 sends the switching request to the target fixed access point 33, then in the embodiment of the present invention, the switching request sent by the source fixed access point 32 can be multiplexed, and the current PCI can be added to it, thereby effectively saving signaling overhead.
  • the source fixed access point 32 does not actively send the current PCI, and the target fixed access point 33 does not know the current PCI of the mobile access point 31, which may lead to random allocation.
  • the source fixed access point 32 actively includes the current PCI when sending the second handover request, so that the target fixed access point 33 can be more targeted when allocating the PCI.
  • the target fixed access point 33 is selected by the source fixed access point 32 from candidate target fixed access points 33 .
  • the source fixed access point 32 may select a target fixed access point 33 from candidate target fixed access points 33 according to the signal quality parameter, for example, select a target fixed access point 33 with good signal quality.
  • the signal quality parameter can be selected from: Reference Signal Received Power (Reference Signal Receiving Power, RSRP), Reference Signal Received Quality (Reference Signal Receiving Quality, RSRQ), Signal to Interference Plus Noise Ratio (Signal to Interference plus Noise Ratio, SINR) .
  • RSRP Reference Signal Received Power
  • RSRQ Reference Signal Received Quality
  • SINR Signal to Interference Plus Noise Ratio
  • the target fixed access point 33 may be selected by the source fixed access point 32, so that the accuracy and reliability of selecting the target fixed access point 33 may be improved.
  • step S33 the target fixed access point 33 determines the allocated PCI according to the current PCI.
  • the allocated PCI is determined by the target fixed access point 33 according to whether the current PCI belongs to the PCI list of the target fixed access point 33 and is not used.
  • the allocated PCI is determined by the target fixed access point 33 according to whether the current PCI belongs to the PCI list of the target fixed access point 33 and is not used.
  • the target fixed access point 33 does not know the current PCI of the mobile access point 31, which may lead to random allocation.
  • Using the solution in the embodiment of the present invention can improve the possibility of continuing to use the current PCI, and the mobile access point
  • the entry point 31 does not need to configure and send a new synchronization signal for the new PCI, and the terminal device does not need to analyze the new synchronization signal for synchronization, which effectively reduces the workload and signaling overhead.
  • the step of determining the allocated PCI according to the current PCI may include: if the current PCI belongs to the PCI list of the target fixed access point 33, and the The current PCI is not used in the target fixed access point 33, and the allocated PCI indication information of the mobile access point 31 is configured to continue to use the current PCI.
  • the current PCI belongs to the PCI list of the target fixed access point 33, and the current PCI is not used in the target fixed access point 33, configure the allocated mobile access point
  • the PCI indication information of the entry point 31 is to continue to use the current PCI, and by continuing to use the current PCI, the mobile access point 31 does not need to configure and send a new synchronization signal for the new PCI, and the terminal device does not need to analyze the new synchronization signal Synchronization helps reduce workload and signaling overhead.
  • the step of determining the allocated PCI according to the current PCI may include: if the current PCI belongs to the PCI list of the target fixed access point 33, and the The current PCI is being used in the target fixed access point 33, and the PCI indication information of the allocated mobile access point 31 is configured as a PCI other than the current PCI in the PCI list of the target fixed access point 33 .
  • the current PCI belongs to the PCI list of the target fixed access point 33, and the current PCI is being used, configure the assigned PCI indication information of the mobile access point 31 as target fixed
  • a PCI other than the current PCI in the PCI list of the access point 33 can be allocated a valid PCI in time when the current PCI cannot be continued, so as to effectively avoid PCI conflicts.
  • the step of determining the allocated PCI according to the current PCI may include: if the current PCI does not belong to the PCI list of the target fixed access point 33, configuring the The allocated PCI indication information is a PCI in the PCI list of the target fixed access point 33 .
  • the allocated PCI indication information is configured as a PCI in the PCI list of the target fixed access point 33, which can be When the current PCI cannot be continued, a valid PCI is allocated in time to effectively avoid PCI conflicts.
  • step S34 the target fixed access point 33 sends handover response information to the source fixed access point 32 , and the handover response message includes PCI indication information of the allocated mobile access point 31 .
  • the allocated PCI is determined according to the current PCI, and the allocated PCI is the same as or different from the current PCI.
  • the step of sending the handover response information from the target fixed access point 33 to the source fixed access point 32 can be set, then in the embodiment of the present invention, the handover response information can be multiplexed.
  • the response information, and the allocated PCI is added therein, thereby effectively saving signaling overhead.
  • step S35 the source fixed access point 32 sends RRC reconfiguration information to the mobile access point 31 , and the RRC reconfiguration information includes the assigned PCI indication information of the mobile access point 31 .
  • the step of sending the RRC reconfiguration information from the source fixed access point 32 to the mobile access point 31 can be set, and the RRC reconfiguration information includes the identification information of the target cell, And some parameters to be used when accessing the target cell. Then, in the embodiment of the present invention, the RRC reconfiguration information can be multiplexed, and the allocated PCI can be added therein, thereby effectively saving signaling overhead.
  • the mobile access point receives RRC reconfiguration information from the source fixed access point, and the RRC reconfiguration information includes the PCI indication information of the allocated mobile access point .
  • the allocated PCI Same as said current PCI.
  • the allocated PCI is different from the current PCI.
  • the allocated PCI is different from the current PCI.
  • step S22 for more details about step S22, please refer to the description of step S33 to step S35 in FIG. 3 for execution, and details will not be repeated here.
  • the mobile access point completes the PCI allocation during the handover process, and when sending the first handover request to the source fixed access point, the current PCI of the mobile access point is included.
  • the source fixed access point receives the RRC reconfiguration information, it includes the allocated PCI indication information of the mobile access point.
  • the allocated PCI can be obtained earlier, so that the terminal device can be synchronized with the serving cell after the handover earlier, which can effectively reduce service interruption and reduce delay.
  • FIG. 4 is a flow chart of another PCI allocation method for a mobile access point in an embodiment of the present invention.
  • the PCI allocation method of another kind of mobile access point can be used for source fixed access point, can also comprise step S41 to step S44:
  • Step S41 Receive a first handover request from the mobile access point, the first handover request includes the current PCI of the mobile access point, and the first handover request is used to instruct the mobile access point to switch from The serving cell of the source fixed access point requests handover;
  • Step S42 Send a second handover request to the target fixed access point, the second handover request includes the current PCI of the mobile access point, and the second handover request is used to instruct the mobile access point to switch from the The serving cell of the source fixed access point requests to switch to the serving cell of the target fixed access point;
  • Step S43 receiving handover response information from the target fixed access point, where the handover response message includes PCI indication information of the allocated mobile access point;
  • Step S44 sending RRC reconfiguration information to the mobile access point, the RRC reconfiguration information including the PCI indication information of the allocated mobile access point;
  • the allocated PCI is determined according to the current PCI, and the allocated PCI is the same as or different from the current PCI.
  • the method may be implemented in the form of a software program, and the software program runs in a processor integrated in a chip or a chip module.
  • the first handover request further includes one or more candidate target fixed access points; wherein, the first handover request is used to instruct the mobile access point to switch from the source fixed access point
  • the serving cell requests to switch to the serving cell of a candidate target fixed access point.
  • the allocated PCI is determined by the target fixed access point according to whether the current PCI belongs to the PCI list of the target fixed access point and is not used.
  • sending the second handover request to the target fixed access point includes: selecting the target fixed access point, and sending the second handover request to the target fixed access point.
  • steps S41 to S44 please refer to the description of steps S31 to S35 in FIG. 3 for execution, and details will not be repeated here.
  • the entry point when receiving the first handover request from the mobile access point and sending the second handover request to the target fixed access point, and then from the target fixed access point
  • the entry point receives the handover response information and sends RRC reconfiguration information to the mobile access point
  • it includes the allocated PCI indication information of the mobile access point, and can determine the allocated PCI during the request process, and allocate The new PCI is still determined according to the current PCI.
  • the assigned PCI can be obtained earlier, so that the terminal device can communicate with the handover serving cell earlier. Synchronization can effectively reduce service interruption and delay.
  • FIG. 5 is a flow chart of another PCI allocation method for a mobile access point in an embodiment of the present invention.
  • Said yet another PCI allocation method for a mobile access point may be used for a target fixed access point, and may also include steps S51 to S53:
  • Step S51 Receive a second handover request from the source fixed access point, the second handover request includes the current PCI of the mobile access point, and the second handover request is used to instruct the mobile access point to switch from the The serving cell of the source fixed access point requests to switch to the serving cell of the target fixed access point;
  • Step S52 Determine the allocated PCI according to the current PCI
  • Step S53 sending handover response information to the source fixed access point, the handover response message including the PCI indication information of the allocated mobile access point;
  • the allocated PCI is the same as or different from the current PCI.
  • the method may be implemented in the form of a software program, and the software program runs in a processor integrated in a chip or a chip module.
  • determining the allocated PCI according to the current PCI includes: if the current PCI belongs to the PCI list of the target fixed access point, and the current PCI is not used in the target fixed access point, Configuring the PCI indication information of the allocated mobile access point to continue to use the current PCI.
  • determining the allocated PCI according to the current PCI includes: if the current PCI belongs to the PCI list of the target fixed access point, and the current PCI is being used in the target fixed access point, Configuring the assigned PCI indication information of the mobile access point to be a PCI in the PCI list of the target fixed access point except the current PCI.
  • determining the allocated PCI according to the current PCI includes: if the current PCI does not belong to the PCI list of the target fixed access point, configuring the allocated PCI indication information as the PCI of the target fixed access point A PCI in the list.
  • the target fixed access point is selected by the source fixed access point.
  • steps S51 to S53 please refer to the description of steps S31 to S35 in FIG. 3 for execution, and details will not be repeated here.
  • the PCI indication information of the mobile access point can determine the allocated PCI during the handover process, and the allocated PCI is still determined according to the current PCI.
  • the list is allocated only after the handover is successful.
  • the PCI can be allocated earlier, so that the terminal device can synchronize with the serving cell after switching earlier, which can effectively reduce service interruption and delay.
  • FIG. 6 is a schematic structural diagram of a PCI allocation device for a mobile access point in an embodiment of the present invention.
  • the PCI allocation device of the mobile access point can be used for the mobile access point, and can also include:
  • the first request sending module 61 is configured to send a first switching request to the source fixed access point, the first switching request includes the current PCI of the mobile access point, and the first switching request is used to indicate the the mobile access point requests a handover from the serving cell of the source fixed access point;
  • the reconfiguration receiving module 62 is used to receive RRC reconfiguration information from the source fixed access point, and the RRC reconfiguration information includes PCI indication information of the allocated mobile access point;
  • the allocated PCI is determined according to the current PCI, and the allocated PCI is the same as or different from the current PCI.
  • the above means may correspond to a chip with a data processing function in the user equipment; or correspond to a chip module including a chip with a data processing function in the user equipment, or correspond to the user equipment.
  • FIG. 7 is a schematic structural diagram of another PCI allocation device for a mobile access point in an embodiment of the present invention.
  • the PCI allocation device of the mobile access point can be used for the source fixed access point, and can also include:
  • the first request receiving module 71 is configured to receive a first switching request from the mobile access point, the first switching request includes the current PCI of the mobile access point, and the first switching request is used to indicate the The mobile access point requests handover from the serving cell of the source fixed access point;
  • the second request sending module 72 is configured to send a second switching request to the target fixed access point, the second switching request includes the current PCI of the mobile access point, and the second switching request is used to indicate the The mobile access point requests handover from the serving cell of the source fixed access point to the serving cell of the target fixed access point;
  • a handover response receiving module 73 configured to receive handover response information from the target fixed access point, where the handover response message includes PCI indication information of the allocated mobile access point;
  • a reconfiguration sending module 74 configured to send RRC reconfiguration information to the mobile access point, where the RRC reconfiguration information includes PCI indication information of the allocated mobile access point;
  • the allocated PCI is determined according to the current PCI, and the allocated PCI is the same as or different from the current PCI.
  • the above means may correspond to a chip with a data processing function in the user equipment; or correspond to a chip module including a chip with a data processing function in the user equipment, or correspond to the user equipment.
  • FIG. 8 is a schematic structural diagram of another PCI allocation device for a mobile access point in an embodiment of the present invention.
  • Said yet another PCI allocation device for a mobile access point may be used for a target fixed access point, and may also include:
  • the second request receiving module 81 is configured to receive a second switching request from the source fixed access point, the second switching request includes the current PCI of the mobile access point, and the second switching request is used to indicate the The mobile access point requests handover from the serving cell of the source fixed access point to the serving cell of the target fixed access point;
  • PCI determination module 82 configured to determine the allocated PCI according to the current PCI
  • a handover response sending module 83 configured to send handover response information to the source fixed access point, where the handover response message includes PCI indication information of the allocated mobile access point;
  • the allocated PCI is the same as or different from the current PCI.
  • the above means may correspond to a chip with a data processing function in the user equipment; or correspond to a chip module including a chip with a data processing function in the user equipment, or correspond to the user equipment.
  • An embodiment of the present invention also provides a readable storage medium on which a computer program is stored, and the computer program executes the steps of the above method when the computer program is run by a processor.
  • the readable storage medium may be a computer-readable storage medium, for example, may include a non-volatile memory (non-volatile) or a non-transitory (non-transitory) memory, and may also include an optical disk, a mechanical hard disk, a solid-state hard disk, and the like.
  • An embodiment of the present invention also provides a mobile access point, including a memory and a processor, the memory stores a computer program that can run on the processor, and the processor executes the above-mentioned Steps of a PCI allocation method for a mobile access point.
  • An embodiment of the present invention also provides a source fixed access point, including a memory and a processor, the memory stores a computer program that can run on the processor, and the processor executes the computer program when running the computer program.
  • a source fixed access point including a memory and a processor
  • the memory stores a computer program that can run on the processor
  • the processor executes the computer program when running the computer program.
  • An embodiment of the present invention also provides a target fixed access point, including a memory and a processor, the memory stores a computer program that can run on the processor, and the processor executes the computer program when running the computer program.
  • a target fixed access point including a memory and a processor
  • the memory stores a computer program that can run on the processor
  • the processor executes the computer program when running the computer program.
  • One or more of the mobile access point, the source fixed access point, and the target fixed access point include at least one processor and at least one memory, and the following uses a mobile access point as an example for illustration.
  • At least one processor and at least one memory are used to store computer programs and/or data.
  • the memory is coupled with the processor.
  • the processor is used to run the computer programs and/or data stored in the memory to implement the communication methods shown in FIGS. 2 to 5 above.
  • the coupling in the embodiments of the present application is an interval coupling or a communication connection between devices, units or modules, which may be in electrical, mechanical or other forms, and is used for information exchange between devices, units or modules.
  • the memory can also be located outside the mobile access point.
  • the processor can cooperate with the memory.
  • the processor may execute a computer program stored in the memory. At least one of the at least one memory may be included in the processor.
  • the mobile access point may further include a communication interface, which is used to communicate with other devices through a transmission medium, so that the modules used in the mobile access point can communicate with other devices.
  • the communication interface may be a transceiver, circuit, bus, module or other types of communication interface.
  • the embodiment of the present application does not limit the communication interface, the connection medium between the processor and the memory.
  • both the memory and the communication interface are connected to the processor.
  • the memory, the communication interface, and the processor may also be connected through a bus, and the bus may be divided into an address bus, a data bus, a control bus, and the like.
  • the processor may be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, and may implement or Execute the methods, steps and logic block diagrams disclosed in the embodiments of the present application.
  • a general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the methods disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules in the processor.
  • the memory may be a non-volatile memory, such as a hard disk (hard disk drive, HDD) or a solid-state drive (solid-state drive, SSD), etc., or a volatile memory (volatile memory), For example random-access memory (random-access memory, RAM).
  • a memory is, but is not limited to, any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.
  • the memory in the embodiment of the present application may also be a circuit or any other device capable of implementing a storage function, for storing computer programs and/or data.
  • the methods provided in the embodiments of the present application may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer program is loaded and executed on the computer, all or part of the processes or functions according to the embodiments of the present invention will be generated.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, network equipment, user equipment, or other programmable devices.
  • the computer program can be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions can be downloaded from a website, computer, server or data center Transmission to another website site, computer, server or data center by wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server or a data center integrated with one or more available media.
  • the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, or a magnetic tape), an optical medium (for example, a digital video disc (digital video disc, DVD for short)), or a semiconductor medium (for example, SSD).
  • a magnetic medium for example, a floppy disk, a hard disk, or a magnetic tape
  • an optical medium for example, a digital video disc (digital video disc, DVD for short)
  • a semiconductor medium for example, SSD

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Abstract

一种移动接入点及其PCI分配方法及装置、可读存储介质、源固定接入点、目标固定接入点，所述方法包括：向源固定接入点发送第一切换请求，所述第一切换请求中包含所述移动接入点的当前PCI，所述第一切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换；从所述源固定接入点接收RRC重配置信息，所述RRC重配置信息中包含分配后的移动接入点的PCI指示信息；其中，所述分配后的PCI是根据所述当前PCI确定的，所述分配后的PCI与所述当前PCI相同或不同。本发明通过在移动接入点的切换的过程就提前完成PCI的分配，可以有效的减少服务中断以及降低时延。

Description

移动接入点及其PCI分配方法及装置
本申请要求于2021年8月3日提交中国专利局、申请号为202110887648.5、发明名称为“移动接入点及其PCI分配方法及装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信技术领域，尤其涉及一种移动接入点及其PCI分配方法及装置、可读存储介质、源固定接入点、目标固定接入点。
背景技术
为了满足更好的覆盖、连接需求，以及分担现有通信网络的负载，在移动设施上配备移动接入点(又称为移动中继基站)的技术越来越受到重视。移动接入点可以配置在移动设施上，作为基站为设施内部或其附近的终端提供网络覆盖和通信。所述移动设施例如可以选自汽车、公交车、火车、高铁、船舶、飞机、无人机等。
在现有技术中，移动接入点可以作为中转站连接至接入网的固定接入点，然后经由固定接入点接入数据网络，所述固定接入点又可以称为宏基站(Donor gNB)。各个固定接入点具有各自的服务小区。
在具体应用中，由于移动接入点作为基站为终端提供服务，因此需要为移动接入点分配物理小区标识(Physical cell identities，PCI)。其中，PCI用于标识服务小区，以使得终端可以通过移动接入点的PCI确定接入的服务小区。
在现有技术中，当移动接入点从源固定接入点的服务小区切换至目标固定接入点的服务小区时，通常是在切换成功后，由目标固定接 入点根据自己的PCI列表分配新的PCI给移动接入点，以使得连接至移动接入点的终端设备同步至目标固定接入点的服务小区。
然而，在上述过程中，终端设备需要在切换成功后，从移动接入点接收基于新的PCI配置的同步信号，然后与切换后的服务小区进行同步，导致在这个时间段内，容易造成服务的中断或者时延。
发明内容
本发明解决的技术问题是提供一种移动接入点及其PCI分配方法及装置、可读存储介质、源固定接入点、目标固定接入点，通过在移动接入点的切换的过程就提前完成PCI的分配，可以有效的减少服务中断以及降低时延。
为解决上述技术问题，本发明实施例提供一种移动接入点的PCI分配方法，包括：向源固定接入点发送第一切换请求，所述第一切换请求中包含所述移动接入点的当前PCI，所述第一切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换；从所述源固定接入点接收RRC重配置信息，所述RRC重配置信息中包含分配后的移动接入点的PCI指示信息；其中，所述分配后的PCI是根据所述当前PCI确定的，所述分配后的PCI与所述当前PCI相同或不同。
可选的，所述第一切换请求中还包含一个或多个候选的目标固定接入点；其中，所述第一切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至候选的一个目标固定接入点的服务小区。
可选的，所述分配后的PCI是目标固定接入点根据所述当前PCI是否属于所述目标固定接入点的PCI列表且未被使用而确定的。
可选的，若所述移动接入点的当前PCI属于所述目标固定接入点的PCI列表，且所述当前PCI在所述目标固定接入点中未被使用，则所述分配后的PCI与所述当前PCI相同。
可选的，若所述移动接入点的当前PCI属于所述目标固定接入点的PCI列表，且所述当前PCI在目标固定接入点中正在被使用，则所述分配后的PCI与所述当前PCI不相同。
可选的，若所述移动接入点当前PCI不属于目标固定接入点的PCI列表，则所述分配后的PCI与所述当前PCI不相同。
可选的，所述目标固定接入点是由所述源固定接入点从候选的目标固定接入点中选择的。
为解决上述技术问题，本发明实施例提供一种移动接入点的PCI分配方法，包括：从所述移动接入点接收第一切换请求，所述第一切换请求中包含所述移动接入点的当前PCI，所述第一切换请求用于指示所述移动接入点从源固定接入点的服务小区请求切换；向目标固定接入点发送第二切换请求，所述第二切换请求中包含所述移动接入点的当前PCI，所述第二切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至所述目标固定接入点的服务小区；从所述目标固定接入点接收切换响应信息，所述切换响应消息中包含分配后的移动接入点的PCI指示信息；向所述移动接入点发送RRC重配置信息，所述RRC重配置信息中包含所述分配后的移动接入点的PCI指示信息；其中，所述分配后的PCI是根据所述当前PCI确定的，所述分配后的PCI与所述当前PCI相同或不同。
可选的，所述第一切换请求中还包含一个或多个候选的目标固定接入点；其中，所述第一切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至候选的一个目标固定接入点的服务小区。
可选的，所述分配后的PCI是所述目标固定接入点根据所述当前PCI是否属于所述目标固定接入点的PCI列表且未被使用而确定的。
可选的，向目标固定接入点发送第二切换请求包括：选择所述目标固定接入点，并向所述目标固定接入点发送第二切换请求。
为解决上述技术问题，本发明实施例提供一种移动接入点的PCI分配方法，包括：从源固定接入点接收第二切换请求，所述第二切换请求中包含所述移动接入点的当前PCI，所述第二切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至目标固定接入点的服务小区；根据所述当前PCI确定分配后的PCI；向所述源固定接入点发送切换响应信息，所述切换响应消息中包含所述分配后的移动接入点的PCI指示信息；其中，所述分配后的PCI与所述当前PCI相同或不同。
可选的，根据所述当前PCI确定所述分配后的PCI包括：若所述当前PCI属于目标固定接入点的PCI列表，且所述当前PCI在所述目标固定接入点中未被使用，配置所述分配后的移动接入点的PCI指示信息为继续采用所述当前PCI。
可选的，根据所述当前PCI确定所述分配后的PCI包括：若所述当前PCI属于目标固定接入点的PCI列表，且所述当前PCI在所述目标固定接入点中正在被使用，配置所述分配后的移动接入点的PCI指示信息为目标固定接入点的PCI列表中除所述当前PCI之外的一个PCI。
可选的，根据所述当前PCI确定所述分配后的PCI包括：若所述当前PCI不属于目标固定接入点的PCI列表，配置所述分配后的PCI指示信息为目标固定接入点的PCI列表中的一个PCI。
可选的，所述目标固定接入点是由所述源固定接入点选择的。
为解决上述技术问题，本发明实施例提供一种移动接入点的PCI分配装置，包括：第一请求发送模块，用于向源固定接入点发送第一切换请求，所述第一切换请求中包含所述移动接入点的当前PCI，所述第一切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换；重配置接收模块，用于从所述源固定接入点接收RRC重配置信息，所述RRC重配置信息中包含分配后的移动接入点的PCI指示信息；其中，所述分配后的PCI是根据所述当前PCI确定 的，所述分配后的PCI与所述当前PCI相同或不同。
为解决上述技术问题，本发明实施例提供一种移动接入点的PCI分配装置，包括：第一请求接收模块，用于从所述移动接入点接收第一切换请求，所述第一切换请求中包含所述移动接入点的当前PCI，所述第一切换请求用于指示所述移动接入点从源固定接入点的服务小区请求切换；第二请求发送模块，用于向目标固定接入点发送第二切换请求，所述第二切换请求中包含所述移动接入点的当前PCI，所述第二切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至所述目标固定接入点的服务小区；切换响应接收模块，用于从所述目标固定接入点接收切换响应信息，所述切换响应消息中包含分配后的移动接入点的PCI指示信息；重配置发送模块，用于向所述移动接入点发送RRC重配置信息，所述RRC重配置信息中包含所述分配后的移动接入点的PCI指示信息；其中，所述分配后的PCI是根据所述当前PCI确定的，所述分配后的PCI与所述当前PCI相同或不同。
为解决上述技术问题，本发明实施例提供一种移动接入点的PCI分配装置，包括：第二请求接收模块，用于从源固定接入点接收第二切换请求，所述第二切换请求中包含所述移动接入点的当前PCI，所述第二切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至目标固定接入点的服务小区；PCI确定模块，用于根据所述当前PCI确定分配后的PCI；切换响应发送模块，用于向所述源固定接入点发送切换响应信息，所述切换响应消息中包含所述分配后的移动接入点的PCI指示信息；其中，所述分配后的PCI与所述当前PCI相同或不同。
为解决上述技术问题，本发明实施例提供一种可读存储介质，其上存储有计算机程序，所述计算机程序被处理器运行时执行上述移动接入点的PCI分配方法的步骤。
为解决上述技术问题，本发明实施例提供一种移动接入点，包括 存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机程序，所述处理器运行所述计算机程序时执行上述移动接入点的PCI分配方法的步骤。
为解决上述技术问题，本发明实施例提供一种源固定接入点，包括存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机程序，所述处理器运行所述计算机程序时执行上述移动接入点的PCI分配方法的步骤。
为解决上述技术问题，本发明实施例提供一种目标固定接入点，包括存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机程序，所述处理器运行所述计算机程序时执行上述移动接入点的PCI分配方法的步骤。
与现有技术相比，本发明实施例的技术方案具有以下有益效果：
在本发明实施例中，移动接入点在切换的过程中就完成PCI的分配，通过向源固定接入点发送第一切换请求时，包含所述移动接入点的当前PCI，在从所述源固定接入点接收RRC重配置信息时，包含分配后的移动接入点的PCI指示信息。相比于现有技术中在切换成功后才分配PCI，可以更早地获得分配后的PCI，从而使得终端设备能够更早地与切换后的服务小区进行同步，可以有效的减少服务中断以及降低时延。
进一步，所述分配后的PCI是目标固定接入点根据所述当前PCI是否属于所述目标固定接入点的PCI列表且未被使用而确定的，相比于现有技术中，目标固定接入点并不清楚移动接入点的当前PCI，导致可能会随机分配，采用本发明实施例中的方案，可以提高继续采用当前PCI的可能性，则移动接入点不需要针对新的PCI配置并发送新的同步信号，终端设备也不需要解析新的同步信号进行同步，有效降低工作量和信令开销。
进一步，所述目标固定接入点可以是由所述源固定接入点选择 的，从而可以提高选择目标固定接入点的准确性和可靠性。
进一步，若所述当前PCI属于目标固定接入点的PCI列表，且所述当前PCI在所述目标固定接入点中未被使用，配置所述分配后的移动接入点的PCI指示信息为继续采用所述当前PCI，通过继续采用当前PCI，移动接入点不需要针对新的PCI配置并发送新的同步信号，终端设备也不需要解析新的同步信号进行同步，有效降低工作量和信令开销。
进一步，若所述当前PCI属于目标固定接入点的PCI列表，且所述当前PCI正在被使用，配置所述分配后的移动接入点的PCI指示信息为目标固定接入点的PCI列表中除所述当前PCI之外的一个PCI，可以在不能继续采用当前PCI的情况下，及时分配有效的PCI，有效避免PCI冲突。
附图说明
图1是现有技术中一种通信架构示意图；
图2是本发明实施例中一种移动接入点的PCI分配方法的流程图；
图3是本发明实施例中再一种移动接入点的PCI分配方法的数据流图；
图4是本发明实施例中另一种移动接入点的PCI分配方法的流程图；
图5是本发明实施例中又一种移动接入点的PCI分配方法的流程图；
图6是本发明实施例中一种移动接入点的PCI分配装置的结构示意图；
图7是本发明实施例中另一种移动接入点的PCI分配装置的结构 示意图；
图8是本发明实施例中又一种移动接入点的PCI分配装置的结构示意图。
具体实施方式
在现有技术中，移动接入点可以作为中转站连接至接入网的固定接入点，然后经由固定接入点接入数据网络。
参照图1，图1是现有技术中一种通信架构示意图。
如图所示，用户终端(User Equipment，UE)11与移动接入点12连接，移动接入点12作为中转站，连接至接入网的固定接入点13，然后经由固定接入点13接入数据网络，例如接入5G无线核心网(5G core network，5GC)14，从而为UE11提供语音、数据等服务。
然而当移动接入点12需要在不同的固定接入点的服务小区之间进行切换，也即从源固定接入点的服务小区切换至目标固定接入点的服务小区时，现有的切换方法尚需优化。
具体的，在现有技术中，是在切换成功后，由目标固定接入点根据自己的PCI列表分配新的PCI给移动接入点，以使得连接至移动接入点的终端设备同步至目标固定接入点的服务小区，因此，移动接入点12需要在切换成功后才能获知新的PCI，然后执行后续步骤，如基于新的PCI配置的同步信号，发送至UE 11，而这一系列步骤需要耗费一定的时长，导致UE 11从切换到新的服务小区至完成小区同步的过程中，容易造成服务中断或者时延。
在本发明实施例中，移动接入点在切换的过程中就完成PCI的分配，通过向源固定接入点发送第一切换请求时，包含所述移动接入点的当前PCI，在从所述源固定接入点接收RRC重配置信息时，包含分配后的移动接入点的PCI指示信息。可以在请求切换时，就通过发 送自己的PCI，接收到分配后的PCI，且分配后的PCI还是根据当前PCI确定的，相比于现有技术中在切换成功后才分配PCI列表，可以更早地获得分配后的PCI，从而使得终端设备能够更早地与切换后的服务小区进行同步，提高信号质量以及降低时延可以有效的减少服务中断以及降低时延。
为使本发明的上述目的、特征和有益效果能够更为明显易懂，下面结合附图对本发明的具体实施例做详细的说明。
参照图2，图2是本发明实施例中一种移动接入点的PCI分配方法的流程图。所述移动接入点的PCI分配方法可以用于移动接入点，还可以包括步骤S21至步骤S22：
步骤S21：向源固定接入点发送第一切换请求，所述第一切换请求中包含所述移动接入点的当前PCI，所述第一切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换；
步骤S22：从所述源固定接入点接收RRC重配置信息，所述RRC重配置信息中包含分配后的移动接入点的PCI指示信息；
其中，所述分配后的PCI是根据所述当前PCI确定的，所述分配后的PCI与所述当前PCI相同或不同。
可以理解的是，在具体实施中，所述方法可以采用软件程序的方式实现，该软件程序运行于芯片或芯片模组内部集成的处理器中。
在步骤S21的具体实施中，移动接入点向源固定接入点发送第一切换请求，所述第一切换请求中包含所述移动接入点的当前PCI，所述第一切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换。
相比于现有技术中，移动接入点并不主动发送当前PCI，目标固定接入点并不清楚移动接入点的当前PCI，导致可能会随机分配，在本发明实施例中，移动接入点主动在发送第一切换请求时，包含当前PCI，可以使目标固定接入点在分配PCI时更有针对性。
在步骤S21的具体实施例中，所述第一切换请求中还包含一个或多个候选的目标固定接入点。需要指出的是，在常规设置中，为了实现移动接入点从所述源固定接入点的服务小区请求切换至所述目标固定接入点的服务小区，可以设置移动接入点发送切换请求至源固定接入点的步骤，则在本发明实施例中，可以复用该移动接入点发送的切换请求，且在其中添加当前PCI，从而有效节省信令开销。
可选的，第一切换请求可以是现有切换技术中的测量上报信令。
参照图3，图3是本发明实施例中再一种移动接入点的PCI分配方法的数据流图。再一种移动接入点的PCI分配方法可以包括步骤S31至步骤S35，以下对各个步骤进行说明。
在步骤S31中，移动接入点31向源固定接入点32发送第一切换请求。
进一步地，所述第一切换请求中还包含一个或多个候选的目标固定接入点；其中，所述第一切换请求用于指示所述移动接入点31从所述源固定接入点32的服务小区请求切换至候选的一个目标固定接入点33的服务小区。
可选的，第一切换请求可以是现有切换技术中的测量上报信令。
具体地，移动接入点31可以确定一个或多个候选的目标固定接入点，然后由源固定接入点32确定其中的一个目标固定接入点33，并向其发送第二切换请求。
在具体实施中，有关步骤S31的更多详细内容请参照图1中的步骤S21的描述进行执行，此处不再赘述。
在步骤S32中，源固定接入点32向目标固定接入点33发送第二切换请求，所述第二切换请求中包含所述移动接入点31的当前PCI，所述第二切换请求用于指示所述移动接入点31从所述源固定接入点32的服务小区请求切换至所述目标固定接入点33的服务小区。
具体地，相比于现有技术中，目标固定接入点33在分配PCI时，并不清楚移动接入点31的当前PCI，导致可能会随机分配，在本发明实施例中，源固定接入点32主动在发送第二切换请求时，包含当前PCI，可以使目标固定接入点33在分配PCI时更有针对性。
需要指出的是，在常规设置中，为了实现移动接入点31从所述源固定接入点32的服务小区请求切换至所述目标固定接入点33的服务小区，可以设置源固定接入点32发送切换请求至目标固定接入点33的步骤，则在本发明实施例中，可以复用该源固定接入点32发送的切换请求，且在其中添加当前PCI，从而有效节省信令开销。
相比于现有技术中，源固定接入点32并不主动发送当前PCI，目标固定接入点33并不清楚移动接入点31的当前PCI，导致可能会随机分配，在本发明实施例中，源固定接入点32主动在发送第二切换请求时，包含当前PCI，可以使目标固定接入点33在分配PCI时更有针对性。
进一步地，所述目标固定接入点33是由所述源固定接入点32从候选的目标固定接入点33中选择的。
具体地，源固定接入点32可以根据信号质量参数从候选的目标固定接入点33中选择一个目标固定接入点33，例如选自信号质量好的目标固定接入点33。
其中，所述信号质量参数可以选自：参考信号接收功率(Reference Signal Receiving Power，RSRP)、参考信号接收质量(Reference Signal Receiving Quality，RSRQ)、信干比(Signal to Interference plus Noise Ratio，SINR)。
需要指出的是，在本发明实施例中对于具体的选择方式不作限制。
在本发明实施例中，所述目标固定接入点33可以是由所述源固定接入点32选择的，从而可以提高选择目标固定接入点33的准确性 和可靠性。
在步骤S33中，目标固定接入点33根据当前PCI确定分配后的PCI。
进一步地，所述分配后的PCI是目标固定接入点33根据所述当前PCI是否属于所述目标固定接入点33的PCI列表且未被使用而确定的。
在本发明实施例中，所述分配后的PCI是目标固定接入点33根据所述当前PCI是否属于所述目标固定接入点33的PCI列表且未被使用而确定的，相比于现有技术中，目标固定接入点33并不清楚移动接入点31的当前PCI，导致可能会随机分配，采用本发明实施例中的方案，可以提高继续采用当前PCI的可能性，则移动接入点31不需要针对新的PCI配置并发送新的同步信号，终端设备也不需要解析新的同步信号进行同步，有效降低工作量和信令开销。
在本发明实施例的第一种具体实施方式中，根据所述当前PCI确定所述分配后的PCI的步骤可以包括：若所述当前PCI属于目标固定接入点33的PCI列表，且所述当前PCI在所述目标固定接入点33中未被使用，配置所述分配后的移动接入点31的PCI指示信息为继续采用所述当前PCI。
在本发明实施例中，若所述当前PCI属于目标固定接入点33的PCI列表，且所述当前PCI在所述目标固定接入点33中未被使用，配置所述分配后的移动接入点31的PCI指示信息为继续采用所述当前PCI，通过继续采用当前PCI，移动接入点31不需要针对新的PCI配置并发送新的同步信号，终端设备也不需要解析新的同步信号进行同步，有利于降低工作量和信令开销。
在本发明实施例的第二种具体实施方式中，根据所述当前PCI确定所述分配后的PCI的步骤可以包括：若所述当前PCI属于目标固定接入点33的PCI列表，且所述当前PCI在目标固定接入点33中正 在被使用，配置所述分配后的移动接入点31的PCI指示信息为目标固定接入点33的PCI列表中除所述当前PCI之外的一个PCI。
在本发明实施例中，若所述当前PCI属于目标固定接入点33的PCI列表，且所述当前PCI正在被使用，配置所述分配后的移动接入点31的PCI指示信息为目标固定接入点33的PCI列表中除所述当前PCI之外的一个PCI，可以在不能继续采用当前PCI的情况下，及时分配有效的PCI，有效避免PCI冲突。
在本发明实施例的第三种具体实施方式中，根据所述当前PCI确定所述分配后的PCI的步骤可以包括：若所述当前PCI不属于目标固定接入点33的PCI列表，配置所述分配后的PCI指示信息为目标固定接入点33的PCI列表中的一个PCI。
在本发明实施例中，若所述当前PCI不属于目标固定接入点33的PCI列表，配置所述分配后的PCI指示信息为目标固定接入点33的PCI列表中的一个PCI，可以在不能继续采用当前PCI的情况下，及时分配有效的PCI，有效避免PCI冲突。
在步骤S34中，目标固定接入点33向源固定接入点32发送切换响应信息，所述切换响应消息中包含分配后的移动接入点31的PCI指示信息。
其中，所述分配后的PCI是根据所述当前PCI确定的，所述分配后的PCI与所述当前PCI相同或不同。
需要指出的是，在常规设置中，为了实现小区切换，可以设置目标固定接入点33向源固定接入点32发送切换响应信息的步骤，则在本发明实施例中，可以复用该切换响应信息，且在其中添加分配后的PCI，从而有效节省信令开销。
在步骤S35中，源固定接入点32向所述移动接入点31发送RRC重配置信息，所述RRC重配置信息中包含所述分配后的移动接入点31的PCI指示信息。
需要指出的是，在常规设置中，为了实现小区切换，可以设置源固定接入点32向所述移动接入点31发送RRC重配置信息的步骤，RRC重配置信息包含目标小区的标识信息，以及接入目标小区时要使用的一些参数。则在本发明实施例中，可以复用该RRC重配置信息，且在其中添加分配后的PCI，从而有效节省信令开销。
继续参照图2，在步骤S22的具体实施中，移动接入点从所述源固定接入点接收RRC重配置信息，所述RRC重配置信息中包含分配后的移动接入点的PCI指示信息。
进一步地，若所述移动接入点的当前PCI属于所述目标固定接入点的PCI列表，且所述当前PCI在所述目标固定接入点中未被使用，则所述分配后的PCI与所述当前PCI相同。
进一步地，若所述移动接入点的当前PCI属于所述目标固定接入点的PCI列表，且所述当前PCI正在被使用，则所述分配后的PCI与所述当前PCI不相同。
进一步地，若所述移动接入点当前PCI不属于目标固定接入点的PCI列表，则所述分配后的PCI与所述当前PCI不相同。
在具体实施中，有关步骤S22的更多详细内容请参照图3中的步骤S33至步骤S35的描述进行执行，此处不再赘述。
在本发明实施例中，移动接入点在切换的过程中就完成PCI的分配，通过向源固定接入点发送第一切换请求时，包含所述移动接入点的当前PCI，在从所述源固定接入点接收RRC重配置信息时，包含分配后的移动接入点的PCI指示信息。相比于现有技术中在切换成功后才分配列表，可以更早地获得分配后的PCI，从而使得终端设备能够更早地与切换后的服务小区进行同步，可以有效的减少服务中断以及降低时延。
参照图4，图4是本发明实施例中另一种移动接入点的PCI分配方法的流程图。所述另一种移动接入点的PCI分配方法可以用于源固 定接入点，还可以包括步骤S41至步骤S44：
步骤S41：从所述移动接入点接收第一切换请求，所述第一切换请求中包含所述移动接入点的当前PCI，所述第一切换请求用于指示所述移动接入点从源固定接入点的服务小区请求切换；
步骤S42：向目标固定接入点发送第二切换请求，所述第二切换请求中包含所述移动接入点的当前PCI，所述第二切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至所述目标固定接入点的服务小区；
步骤S43：从所述目标固定接入点接收切换响应信息，所述切换响应消息中包含分配后的移动接入点的PCI指示信息；
步骤S44：向所述移动接入点发送RRC重配置信息，所述RRC重配置信息中包含所述分配后的移动接入点的PCI指示信息；
其中，所述分配后的PCI是根据所述当前PCI确定的，所述分配后的PCI与所述当前PCI相同或不同。
可以理解的是，在具体实施中，所述方法可以采用软件程序的方式实现，该软件程序运行于芯片或芯片模组内部集成的处理器中。
进一步地，所述第一切换请求中还包含一个或多个候选的目标固定接入点；其中，所述第一切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至候选的一个目标固定接入点的服务小区。
进一步地，所述分配后的PCI是所述目标固定接入点根据所述当前PCI是否属于所述目标固定接入点的PCI列表且未被使用而确定的。
进一步地，向目标固定接入点发送第二切换请求包括：选择所述目标固定接入点，并向所述目标固定接入点发送第二切换请求。
在具体实施中，有关步骤S41至步骤S44的更多详细内容请参照 图3中的步骤S31至步骤S35的描述进行执行，此处不再赘述。
在本发明实施例中，通过从移动接入点接收第一切换请求以及向目标固定接入点发送第二切换请求时，包含所述移动接入点的当前PCI，再从所述目标固定接入点接收切换响应信息，以及向所述移动接入点发送RRC重配置信息时，包含分配后的移动接入点的PCI指示信息，可以在请求过程中，就确定分配后的PCI，且分配后的PCI还是根据当前PCI确定的，相比于现有技术中在切换成功后才分配列表，可以更早地获得分配后的PCI，从而使得终端设备能够更早地与切换后的服务小区进行同步，可以有效的减少服务中断以及降低时延。
参照图5，图5是本发明实施例中又一种移动接入点的PCI分配方法的流程图。所述又一种移动接入点的PCI分配方法可以用于目标固定接入点，还可以包括步骤S51至步骤S53：
步骤S51：从源固定接入点接收第二切换请求，所述第二切换请求中包含所述移动接入点的当前PCI，所述第二切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至目标固定接入点的服务小区；
步骤S52：根据所述当前PCI确定分配后的PCI；
步骤S53：向所述源固定接入点发送切换响应信息，所述切换响应消息中包含所述分配后的移动接入点的PCI指示信息；
其中，所述分配后的PCI与所述当前PCI相同或不同。
可以理解的是，在具体实施中，所述方法可以采用软件程序的方式实现，该软件程序运行于芯片或芯片模组内部集成的处理器中。
进一步地，根据所述当前PCI确定所述分配后的PCI包括：若所述当前PCI属于目标固定接入点的PCI列表，且所述当前PCI在所述目标固定接入点中未被使用，配置所述分配后的移动接入点的PCI指示信息为继续采用所述当前PCI。
进一步地，根据所述当前PCI确定所述分配后的PCI包括：若所述当前PCI属于目标固定接入点的PCI列表，且所述当前PCI在所述目标固定接入点中正在被使用，配置所述分配后的移动接入点的PCI指示信息为目标固定接入点的PCI列表中除所述当前PCI之外的一个PCI。
进一步地，根据所述当前PCI确定所述分配后的PCI包括：若所述当前PCI不属于目标固定接入点的PCI列表，配置所述分配后的PCI指示信息为目标固定接入点的PCI列表中的一个PCI。
进一步地，所述目标固定接入点是由所述源固定接入点选择的。
在具体实施中，有关步骤S51至步骤S53的更多详细内容请参照图3中的步骤S31至步骤S35的描述进行执行，此处不再赘述。
在本发明实施例中，通过从源固定接入点接收第二切换请求时，包含所述移动接入点的当前PCI，在向所述源固定接入点发送切换响应信息时，包含分配后的移动接入点的PCI指示信息，可以在切换过程中，就确定分配后的PCI，且分配后的PCI还是根据当前PCI确定的，相比于现有技术中在切换成功后才分配列表，可以更早地分配后的PCI，从而使得终端设备能够更早地与切换后的服务小区进行同步，可以有效的减少服务中断以及降低时延。
参照图6，图6是本发明实施例中一种移动接入点的PCI分配装置的结构示意图。所述移动接入点的PCI分配装置可以用于移动接入点，还可以包括：
第一请求发送模块61，用于向源固定接入点发送第一切换请求，所述第一切换请求中包含所述移动接入点的当前PCI，所述第一切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换；
重配置接收模块62，用于从所述源固定接入点接收RRC重配置信息，所述RRC重配置信息中包含分配后的移动接入点的PCI指示 信息；
其中，所述分配后的PCI是根据所述当前PCI确定的，所述分配后的PCI与所述当前PCI相同或不同。
在具体实施中，上述装置可以对应于用户设备中具有数据处理功能的芯片；或者对应于用户设备中包括具有数据处理功能芯片的芯片模组，或者对应于用户设备。
关于该移动接入点的PCI分配装置的原理、具体实现和有益效果请参照前文所述的关于移动接入点的PCI分配方法的相关描述，此处不再赘述。
参照图7，图7是本发明实施例中另一种移动接入点的PCI分配装置的结构示意图。所述移动接入点的PCI分配装置可以用于源固定接入点，还可以包括：
第一请求接收模块71，用于从所述移动接入点接收第一切换请求，所述第一切换请求中包含所述移动接入点的当前PCI，所述第一切换请求用于指示所述移动接入点从源固定接入点的服务小区请求切换；
第二请求发送模块72，用于向目标固定接入点发送第二切换请求，所述第二切换请求中包含所述移动接入点的当前PCI，所述第二切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至所述目标固定接入点的服务小区；
切换响应接收模块73，用于从所述目标固定接入点接收切换响应信息，所述切换响应消息中包含分配后的移动接入点的PCI指示信息；
重配置发送模块74，用于向所述移动接入点发送RRC重配置信息，所述RRC重配置信息中包含所述分配后的移动接入点的PCI指示信息；
其中，所述分配后的PCI是根据所述当前PCI确定的，所述分配后的PCI与所述当前PCI相同或不同。
在具体实施中，上述装置可以对应于用户设备中具有数据处理功能的芯片；或者对应于用户设备中包括具有数据处理功能芯片的芯片模组，或者对应于用户设备。
关于该移动接入点的PCI分配装置的原理、具体实现和有益效果请参照前文所述的关于移动接入点的PCI分配方法的相关描述，此处不再赘述。
参照图8，图8是本发明实施例中又一种移动接入点的PCI分配装置的结构示意图。所述又一种移动接入点的PCI分配装置可以用于目标固定接入点，还可以包括：
第二请求接收模块81，用于从源固定接入点接收第二切换请求，所述第二切换请求中包含所述移动接入点的当前PCI，所述第二切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至目标固定接入点的服务小区；
PCI确定模块82，用于根据所述当前PCI确定分配后的PCI；
切换响应发送模块83，用于向所述源固定接入点发送切换响应信息，所述切换响应消息中包含所述分配后的移动接入点的PCI指示信息；
其中，所述分配后的PCI与所述当前PCI相同或不同。
在具体实施中，上述装置可以对应于用户设备中具有数据处理功能的芯片；或者对应于用户设备中包括具有数据处理功能芯片的芯片模组，或者对应于用户设备。
关于该移动接入点的PCI分配装置的原理、具体实现和有益效果请参照前文所述的关于移动接入点的PCI分配方法的相关描述，此处不再赘述。
本发明实施例还提供了一种可读存储介质，其上存储有计算机程序，所述计算机程序被处理器运行时执行上述方法的步骤。所述可读存储介质可以是计算机可读存储介质，例如可以包括非挥发性存储器(non-volatile)或者非瞬态(non-transitory)存储器，还可以包括光盘、机械硬盘、固态硬盘等。
本发明实施例还提供了一种移动接入点，包括存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机程序，所述处理器运行所述计算机程序时执行上述移动接入点的PCI分配方法的步骤。
本发明实施例还提供了一种源固定接入点，包括存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机程序，所述处理器运行所述计算机程序时执行上述移动接入点的PCI分配方法的步骤。
本发明实施例还提供了一种目标固定接入点，包括存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机程序，所述处理器运行所述计算机程序时执行上述移动接入点的PCI分配方法的步骤。
所述移动接入点、源固定接入点、目标固定接入点中的一项或多项包括至少一个处理器和至少一个存储器，以下采用移动接入点作为示例进行说明。
至少一个处理器和至少一个存储器用于存储计算机程序和/或数据。存储器与处理器耦合。处理器用于运行存储器中存储的计算机程序和/或数据，实现上述图2至图5所示的通信方法。本申请实施例中的耦合是装置、单元或模块之间的间隔耦合或通信连接，可以是电性，机械或其它的形式，用于装置、单元或模块之间的信息交互。作为另一种实现，存储器还可以位于移动接入点之外。处理器可以和存储器协同操作。处理器可能执行存储器中存储的计算机程序。所述至 少一个存储器中的至少一个可以包括于处理器中。
在一些实施例中，移动接入点还可以包括通信接口，通信接口用于通过传输介质和其他设备通信，从而用于移动接入点中的模块可以和其他设备通信。示例性地，通信接口可以是收发器、电路、总线、模块或其它类型的通信接口。
本申请实施例中不限定上述通信接口、处理器以及存储器之间的连接介质。例如，本申请实施例以存储器、通信接口均与处理器连接。当然，本申请实施例中存储器、通信接口、处理器之间还可以通过总线连接，所述总线可以分为地址总线、数据总线、控制总线等。
在本申请实施例中，处理器可以是通用处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件，可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。
在本申请实施例中，存储器可以是非易失性存储器，比如硬盘(hard disk drive，H DD)或固态硬盘(solid–state drive，SSD)等，还可以是易失性存储器(volatile memory)，例如随机存取存储器(random-access memory，RAM)。存储器是能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。本申请实施例中的存储器还可以是电路或者其它任意能够实现存储功能的装置，用于存储计算机程序和/或数据。
本申请实施例提供的方法中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序时，全部或部分地产生按照本发明实施例所述的流程或功能。所述计算机可以是通用 计算机、专用计算机、计算机网络、网络设备、用户设备或者其他可编程装置。所述计算机程序可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line，简称DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机可以存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，数字视频光盘(digital video disc，简称DVD))、或者半导体介质(例如,SSD)等。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (23)

  1. 一种移动接入点的PCI分配方法，其特征在于，包括：
    向源固定接入点发送第一切换请求，所述第一切换请求中包含所述移动接入点的当前PCI，所述第一切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换；
    从所述源固定接入点接收RRC重配置信息，所述RRC重配置信息中包含分配后的移动接入点的PCI指示信息；
    其中，所述分配后的PCI是根据所述当前PCI确定的，所述分配后的PCI与所述当前PCI相同或不同。
  2. 根据权利要求1所述的方法，其特征在于，所述第一切换请求中还包含一个或多个候选的目标固定接入点；
    其中，所述第一切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至候选的一个目标固定接入点的服务小区。
  3. 根据权利要求2所述的方法，其特征在于，
    所述分配后的PCI是目标固定接入点根据所述当前PCI是否属于所述目标固定接入点的PCI列表且未被使用而确定的。
  4. 根据权利要求3所述的方法，其特征在于，
    若所述移动接入点的当前PCI属于所述目标固定接入点的PCI列表，且所述当前PCI在所述目标固定接入点中未被使用，则所述分配后的PCI与所述当前PCI相同。
  5. 根据权利要求3所述的方法，其特征在于，
    若所述移动接入点的当前PCI属于所述目标固定接入点的PCI列表，且所述当前PCI在目标固定接入点中正在被使用，则所述分配后的PCI与所述当前PCI不相同。
  6. 根据权利要求3所述的方法，其特征在于，
    若所述移动接入点当前PCI不属于目标固定接入点的PCI列表，则所述分配后的PCI与所述当前PCI不相同。
  7. 根据权利要求2所述的方法，其特征在于，
    所述目标固定接入点是由所述源固定接入点从候选的目标固定接入点中选择的。
  8. 一种移动接入点的PCI分配方法，其特征在于，包括：
    从所述移动接入点接收第一切换请求，所述第一切换请求中包含所述移动接入点的当前PCI，所述第一切换请求用于指示所述移动接入点从源固定接入点的服务小区请求切换；
    向目标固定接入点发送第二切换请求，所述第二切换请求中包含所述移动接入点的当前PCI，所述第二切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至所述目标固定接入点的服务小区；
    从所述目标固定接入点接收切换响应信息，所述切换响应消息中包含分配后的移动接入点的PCI指示信息；
    向所述移动接入点发送RRC重配置信息，所述RRC重配置信息中包含所述分配后的移动接入点的PCI指示信息；
    其中，所述分配后的PCI是根据所述当前PCI确定的，所述分配后的PCI与所述当前PCI相同或不同。
  9. 根据权利要求8所述的方法，其特征在于，所述第一切换请求中还包含一个或多个候选的目标固定接入点；
    其中，所述第一切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至候选的一个目标固定接入点的服务小区。
  10. 根据权利要求8所述的方法，其特征在于，所述分配后的PCI是所述目标固定接入点根据所述当前PCI是否属于所述目标固定接入点的PCI列表且未被使用而确定的。
  11. 根据权利要求8所述的方法，其特征在于，向目标固定接入点发送第二切换请求包括：
    选择所述目标固定接入点，并向所述目标固定接入点发送第二切换请求。
  12. 一种移动接入点的PCI分配方法，其特征在于，包括：
    从源固定接入点接收第二切换请求，所述第二切换请求中包含所述移动接入点的当前PCI，所述第二切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至目标固定接入点的服务小区；
    根据所述当前PCI确定分配后的PCI；
    向所述源固定接入点发送切换响应信息，所述切换响应消息中包含所述分配后的移动接入点的PCI指示信息；
    其中，所述分配后的PCI与所述当前PCI相同或不同。
  13. 根据权利要求12所述的方法，其特征在于，根据所述当前PCI确定所述分配后的PCI包括：
    若所述当前PCI属于目标固定接入点的PCI列表，且所述当前PCI在所述目标固定接入点中未被使用，配置所述分配后的移动接入点的PCI指示信息为继续采用所述当前PCI。
  14. 根据权利要求12所述的方法，其特征在于，根据所述当前PCI确定所述分配后的PCI包括：
    若所述当前PCI属于目标固定接入点的PCI列表，且所述当前PCI在目标固定接入点中正在被使用，配置所述分配后的移动接入点的PCI指示信息为目标固定接入点的PCI列表中除所述当前PCI之外的一个PCI。
  15. 根据权利要求12所述的方法，其特征在于，根据所述当前PCI确定所述分配后的PCI包括：
    若所述当前PCI不属于目标固定接入点的PCI列表，配置所述分配后的PCI指示信息为目标固定接入点的PCI列表中的一个PCI。
  16. 根据权利要求12所述的方法，其特征在于，
    所述目标固定接入点是由所述源固定接入点选择的。
  17. 一种移动接入点的PCI分配装置，其特征在于，包括：
    第一请求发送模块，用于向源固定接入点发送第一切换请求，所述第一切换请求中包含所述移动接入点的当前PCI，所述第一切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换；
    重配置接收模块，用于从所述源固定接入点接收RRC重配置信息，所述RRC重配置信息中包含分配后的移动接入点的PCI指示信息；
    其中，所述分配后的PCI是根据所述当前PCI确定的，所述分配后的PCI与所述当前PCI相同或不同。
  18. 一种移动接入点的PCI分配装置，其特征在于，包括：
    第一请求接收模块，用于从所述移动接入点接收第一切换请求，所述第一切换请求中包含所述移动接入点的当前PCI，所述第一切换请求用于指示所述移动接入点从源固定接入点的服务小区请求切换；
    第二请求发送模块，用于向目标固定接入点发送第二切换请求，所述第二切换请求中包含所述移动接入点的当前PCI，所述第二切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至所述目标固定接入点的服务小区；
    切换响应接收模块，用于从所述目标固定接入点接收切换响应信息，所述切换响应消息中包含分配后的移动接入点的PCI指示信息；
    重配置发送模块，用于向所述移动接入点发送RRC重配置信息，所述RRC重配置信息中包含所述分配后的移动接入点的PCI指示信息；
    其中，所述分配后的PCI是根据所述当前PCI确定的，所述分配后的 PCI与所述当前PCI相同或不同。
  19. 一种移动接入点的PCI分配装置，其特征在于，包括：
    第二请求接收模块，用于从源固定接入点接收第二切换请求，所述第二切换请求中包含所述移动接入点的当前PCI，所述第二切换请求用于指示所述移动接入点从所述源固定接入点的服务小区请求切换至目标固定接入点的服务小区；
    PCI确定模块，用于根据所述当前PCI确定分配后的PCI；
    切换响应发送模块，用于向所述源固定接入点发送切换响应信息，所述切换响应消息中包含所述分配后的移动接入点的PCI指示信息；
    其中，所述分配后的PCI与所述当前PCI相同或不同。
  20. 一种可读存储介质，其上存储有计算机程序，其特征在于，所述计算机程序被处理器运行时执行权利要求1至7任一项所述移动接入点的PCI分配方法的步骤，或者执行权利要求8至11任一项所述移动接入点的PCI分配方法的步骤，或者执行权利要求12至16任一项所述移动接入点的PCI分配方法的步骤。
  21. 一种移动接入点，包括存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机程序，其特征在于，所述处理器运行所述计算机程序时执行权利要求1至7任一项所述移动接入点的PCI分配方法的步骤。
  22. 一种源固定接入点，包括存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机程序，其特征在于，所述处理器运行所述计算机程序时执行权利要求8至11任一项所述移动接入点的PCI分配方法的步骤。
  23. 一种目标固定接入点，包括存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机程序，其特征在于，所述处理器运行所述计算机程序时执行权利要求12至16任一项所述移动接入点 的PCI分配方法的步骤。
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WO2013055277A1 (en) * 2011-10-10 2013-04-18 Telefonaktiebolaget L M Ericsson (Publ) A method and apparatus for mobile relay handover
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US20130183971A1 (en) * 2011-08-11 2013-07-18 Interdigital Patent Holdings, Inc. Systems And/Or Methods For Providing Relay Mobility
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