WO2016045337A1 - 物理小区标识分配方法、装置及系统 - Google Patents

物理小区标识分配方法、装置及系统 Download PDF

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Publication number
WO2016045337A1
WO2016045337A1 PCT/CN2015/075156 CN2015075156W WO2016045337A1 WO 2016045337 A1 WO2016045337 A1 WO 2016045337A1 CN 2015075156 W CN2015075156 W CN 2015075156W WO 2016045337 A1 WO2016045337 A1 WO 2016045337A1
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Prior art keywords
access network
physical cell
network node
list
cell identifier
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PCT/CN2015/075156
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English (en)
French (fr)
Inventor
韩立锋
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中兴通讯股份有限公司
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Publication of WO2016045337A1 publication Critical patent/WO2016045337A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/02—Resource partitioning among network components, e.g. reuse partitioning

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, an apparatus, and a system for allocating physical cell identifiers.
  • an Ultra Dense Network is proposed to increase the network capacity by increasing the deployment density of network nodes, that is, by adding radio access network nodes (radio access network nodes).
  • radio access network nodes radio access network nodes
  • RAN-node radio access network nodes
  • the dense deployment of the nodes of the radio access network can also bring the distance between the user and the radio access network node closer.
  • Such short-range wireless communication can improve the reliability of the communication link on the one hand, and improve the multiplexing efficiency of the spectrum in the area on the other hand, thereby further increasing the network capacity.
  • the radio access network node is an access network device that the user equipment can access the network through a wireless communication link, such as a base station (NodeB, eNB), a low power node (LPN), and an access point (Access Point, AP). ) are all wireless access network nodes.
  • PCI Physical Cell Id
  • the allocation of PCI should try to ensure that the physical cell identifiers between cells do not collide in a certain coverage area, and that no interference occurs between adjacent cells in the geographical location. Due to the large number of wireless access network nodes in an ultra-dense network, how to avoid collisions is a very important issue. The mobility of the radio access network nodes increases the probability of physical cell identity conflicts in the network.
  • the present invention provides a method, an apparatus, and a system for allocating physical cell identifiers to solve the above problems.
  • a physical cell identity allocation method including: a mobile access network node acquires a list of available physical cell identifiers provided by a fixed access network node; the mobile access network node uses the available The physical cell identifier in the physical cell identifier list is allocated to the cell under the mobile access network node.
  • the available physical cell identifier list includes a physical cell identifier that is used by the fixed access network node to be used by a cell under the mobile radio access network node.
  • the available physical cell identifier list further includes: a list of available physical cell identifiers provided by the fixed access network node adjacent to the fixed access network node.
  • the method before the mobile access network node obtains the available cell feature address list from the fixed access network node, the method further includes: the fixed access network node providing the mobile access network node with the A list of available physical cell identifiers.
  • the fixed access network node provides the mobile access network node with the available physical cell identifier list, including one of the following: the fixed access network node separately according to different frequency point information
  • the mobile access network node provides the list of available physical cell identifiers; the fixed access network node provides the available physical cell identifier list to the mobile access network node according to different geographic regions;
  • the network access node provides the list of available physical cell identifiers to the mobile access network node by referring to historical information of the mobile access network node.
  • the mobile access network node obtains a list of available physical cell identifiers provided by the fixed access network node, and includes one of the following: the mobile access network node obtains the fixed access by using dedicated signaling. A list of available physical cell identifiers provided by the network node; the mobile access network node obtains a list of available physical cell identifiers provided by the fixed access network node by using non-dedicated signaling.
  • the dedicated signaling includes: a handover process or dedicated signaling in other processes than the handover process;
  • the non-dedicated signaling includes: a broadcast message, or other processes except the broadcast process Non-dedicated signaling.
  • the mobile access network node allocates the physical cell identifier in the available physical cell identifier list to the cell under the mobile access network node, including: the mobile access network node Determining, by using the physical cell identifier used by the jurisdiction cell and the acquired physical entity identifier of the available physical cell identifier list Comparing, in the case that the physical cell identifier used by the subordinate cell is in the available physical cell identifier list, maintaining the physical cell identifier used by the subordinate cell; the physical cell identifier used in the subordinate cell is not in the available physical cell In the case of the identifier list, one physical cell identifier is selected in the available physical cell identifier list as the physical cell identifier used by the subordinate cell.
  • selecting one physical cell identifier in the available physical cell identifier list including at least one of the following: the mobile access network node in the list of available physical cell identifiers provided by the fixed access network node Selecting one physical cell identifier randomly or sequentially; the mobile access network node provides the available information from the fixed access network node according to a list of available physical cell identifiers of different frequency points provided by the fixed access network node Selecting, in the physical cell identifier list, a physical cell identifier; the mobile access network node, according to the available physical cell identifier list of different geographic regions provided by the fixed access network node, from the fixed access network node Selecting a physical cell identifier from the list of available physical cell identifiers; the mobile access network node refers to the fixed physical network identifier list provided by the fixed access network node, and refers to other fixed nodes except the fixed access network node. a list of available physical identifiers provided by the access network node, said from said fixed access network node
  • the mobile access network node selects one physical cell identifier from the list of available physical cell identifiers according to the available physical cell identifier list of different frequency points, and includes at least one of the following: the mobile access network.
  • the node preferentially selects one physical cell identifier in the list of available physical cell identifiers of the same frequency as the cell under the jurisdiction; the mobile access network node preferentially selects one physical cell in the intersection of the available physical cell identifier lists corresponding to different frequency points.
  • the mobile access network node selects a frequency to reconfigure the subordinate cell, where the physical cell identifier of the cell under the mobile access network node is in the list of available cells corresponding to the selected frequency.
  • the mobile access network node selects one physical cell identifier from the available physical cell identifier list according to the available physical cell identifier list in different geographic regions, including at least one of the following: the mobile access The network node preferentially selects one physical cell identifier in an intersection of the available physical cell identifier lists in different geographic regions; the mobile access network node refers to the mobile trend of the mobile access network node to determine one or more possible future passages a geographic area, and preferentially selecting one physical cell identifier in a list of available physical cell identifiers corresponding to the one or more geographic regions; the mobile access network node determining historical information by referring to historical information of the mobile access network node Passing one or more geographical areas, and preferentially selecting one physical cell identifier in the list of available physical cell identifiers corresponding to the one or more geographical areas.
  • the mobile access network node preferentially selects one physical cell identifier from the list of available physical cell identifiers corresponding to the one or more geographical regions, and the mobile access network node preferentially selects the one from the one Or one physical cell identifier is selected in the intersection of the available physical cell identifier lists corresponding to the plurality of geographic regions.
  • the physical cell identifier includes at least one of the following: the mobile access network node preferentially obtains an intersection of the available physical identifier list provided by the fixed access network node and the available physical identifier list provided by the other fixed access network node Selecting a physical cell identifier; the mobile access network node, the list of available physical cell identifiers provided by the fixed access network node, and the other fixed access network nodes according to available physical cell identifier lists of different frequency points Selecting one physical cell identifier from the list of available physical identifiers; the mobile access network node obtains a list of available physical identifiers from the fixed access network node according to a list of available physical cell identifiers of different geographic regions, and the other fixed One of the physical cell identifiers is selected by the list of available physical identifiers
  • the method further includes: the physical selected by the mobile access network node The cell identity is notified to the fixed access network node.
  • the mobile access network node selects a frequency point corresponding to the selected physical cell identifier in a process of selecting one physical cell identifier from the available physical cell identifier list.
  • the mobile access network node when the mobile access network node notifies the selected physical network identifier to the fixed access network node, the mobile access network node further selects the frequency of the frequency point. The information is notified to the fixed access network node.
  • a physical cell identifier allocation apparatus includes: an obtaining module configured to acquire a list of available physical cell identifiers provided by a fixed access network node; and an allocation module configured to set the available physical cell The physical cell identifier in the identifier list is allocated to the cell under the mobile access network node.
  • the acquiring module acquires the available physical cell identifier list by using dedicated signaling or non-dedicated signaling.
  • the allocating module includes: a comparing module, configured to compare the physical cell identifier used by the subordinate cell with each physical cell identifier of the obtained available physical cell identifier list; In the case that the physical cell identifier used by the subordinate cell is in the available physical cell identifier list, the physical cell identifier used by the subordinate cell is maintained; and the selection module is set to be used in the subordinate cell. If the physical cell identifier is not in the available physical cell identifier list, one physical cell identifier is selected in the available physical cell identifier list as the physical cell identifier used by the subordinate cell.
  • the selecting module selects one physical cell identifier in the available physical cell identifier list according to one of the following methods: selecting one physical cell identifier randomly or sequentially in the available physical cell identifier list; Determining, according to the list of available physical cell identifiers of different geographical areas provided by the fixed access network node, a physical cell identifier from the list of available physical cell identifiers; available according to different geographic areas provided by the fixed access network node a physical cell identifier list, referring to a mobile trend of the mobile access network node, selecting a physical cell identifier from the available physical cell identifier list; and according to the available physical cell identifier list provided by the fixed access network node, Referring to a list of available physical identifiers provided by other fixed access network nodes other than the fixed access network node, one physical cell identifier is selected from the list of available physical cell identifiers provided by the fixed access network node.
  • the selecting module is further configured to select a frequency point corresponding to the selected physical cell identifier.
  • the apparatus further includes: a notification module, configured to notify the fixed access network node of the information selected by the selection module.
  • a physical cell identity allocation system including: a fixed access network node and a mobile access network node, wherein the fixed access network node is configured to be to the mobile access
  • the network node provides a list of available physical cell identifiers; the mobile access network node, including the foregoing apparatus, is configured to allocate a physical cell identifier to the cell under the mobile access network node according to the available physical cell identifier list.
  • the fixed access network node provides the available physical cell identifier list to the mobile access network node by using one of the following methods: providing the mobile access network node according to different frequency points. Providing the list of available physical cell identifiers; providing the list of available physical cell identifiers to the mobile access network node according to different geographic regions; and providing the mobile access network node with reference to historical information of the mobile access network node The list of available physical cell identifiers.
  • the mobile access network node obtains a list of available physical cell identifiers from the fixed access network node, and allocates a physical cell identifier to the cell under the jurisdiction according to the available physical cell identifier list, so that the mobile access network node can be realized in the ultra-dense network. Automatic configuration and modification of the physical cell identity to avoid serious degradation of network performance due to collision of physical cell identity. The number and frequency of reconfigurations of the physical cell identifier are reduced, which reduces the impact of physical cell identity reconfiguration on network performance.
  • FIG. 1 is a schematic structural diagram of a physical cell identity allocation system according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a physical cell identity allocation apparatus according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a physical cell identity allocation method according to an embodiment of the present invention.
  • FIG. 4 is a flowchart of generating a different physical cell identifier list according to different frequency points in a fixed access network node in Embodiment 1;
  • FIG. 5 is a flowchart of generating a different physical cell identifier list by a fixed access network node according to different coverage areas in Embodiment 2;
  • FIG. 6 is a flowchart of generating a different physical cell identifier list by a fixed access network node according to different frequency points and different areas in Embodiment 3;
  • FIG. 7 is a flow chart of a list of available physical cell identifiers including surrounding fixed access network nodes in Embodiment 4;
  • FIG. 8 is a flowchart of selecting a new physical cell identifier in a list of available physical cell identifiers of different frequency points by a mobile access network node in Embodiment 5;
  • FIG. 9 is a flowchart of selecting a new physical cell identifier in a list of available physical cell identifiers in different areas of a mobile access network node in Embodiment 6;
  • FIG. 10 is a flowchart of selecting a new physical cell identifier in a list of available physical cell identifiers in different areas according to historical information in a mobile access network node in Embodiment 7.
  • Fixed access network nodes also known as fixed nodes: The location of the cell under jurisdiction is fixed and does not move frequently.
  • the fixed access network node may be a base station, a base station controller, a wireless access point, or other network element with similar functions for managing a fixed cell.
  • a mobile access network node also referred to as a mobile node: a base station, a wireless access point, or other network element with similar functions that can be frequently moved, and the cell under its jurisdiction is also frequently moved. That is, the geographic location of the cell governed by the mobile access network node is frequently changed.
  • the physical cell identifier of the cell under its jurisdiction may collide with the physical cell identifier of other cells in the area to form a signal collision and interference, thereby causing the terminal.
  • the interruption of service has serious consequences.
  • the identity conflicts are examples of ownership.
  • the fixed access network node gives a list of available physical cell identifiers, and the physical cell identifier in the list is used by the cell of the mobile access network node. That is, the cell of the mobile access network node adopts the physical cell identity in the list, and the physical cell identity conflict does not occur when moving within the coverage area of the cell of the fixed access network node. If the physical cell identifier of the cell of the mobile access network node is in the list of available physical cell identifiers given by the fixed access network node, the new physical cell identifier is not selected for modification; otherwise, the new physical cell identifier is reselected and performed. The modified, modified cell moves within the coverage area of the cell of the fixed access network node, and no physical cell identity conflict occurs.
  • a scheme for automatically allocating a physical cell identifier is provided for solving a technical problem of physical cell identity allocation of a mobile access network node (which may also be referred to as a mobile node).
  • a physical cell identity allocation system is provided.
  • FIG. 1 is a schematic structural diagram of a physical cell identity allocation system according to an embodiment of the present invention.
  • the system mainly includes a fixed access network node 10 and a mobile access network node 20.
  • the fixed access network node 10 is configured to provide the mobile access network node with a list of available physical cell identifiers;
  • the mobile access network node 20 is configured to obtain the list of available physical cell identifiers from the fixed access network node 10, and And assigning, according to the available physical cell identifier list, a physical cell identifier to a cell under the mobile access network node.
  • the mobile access network node 20 may include the following physical cell identity allocation device, as described in detail below.
  • the fixed access network node 10 may provide the mobile access network node with the available physical cell identifier list by using one of the following methods: according to different frequency points
  • the mobile access network node provides the list of available physical cell identifiers; provides the list of available physical cell identifiers to the mobile access network node according to different geographic regions; and refers to historical information of the mobile access network node
  • the mobile access network node provides the list of available physical cell identities.
  • a physical cell identifier allocation apparatus is provided.
  • the apparatus may be located in the mobile access network node 20 or may be located outside the mobile access network node 20. Interacting with the mobile access network node 20 to complete its function.
  • FIG. 2 is a schematic structural diagram of a physical cell identifier allocation apparatus according to an embodiment of the present invention.
  • the apparatus mainly includes: an obtaining module 200, configured to obtain a list of available physical cell identifiers provided by a fixed access network node;
  • the module 210 is configured to allocate the physical cell identifier in the available physical cell identifier list to the cell under the jurisdiction of the mobile access network node.
  • the acquiring module 200 may obtain the available physical cell identifier list by using dedicated signaling or non-dedicated signaling.
  • dedicated signaling refers to dedicated signaling such as a handover procedure
  • non-dedicated signaling refers to broadcast messages or other non-dedicated signaling.
  • the allocating module 210 may include: a comparing module, configured to set a physical cell identifier used by the subordinate cell and each physical of the obtained physical cell identifier list obtained The cell identifier is compared; the execution module is configured to maintain the physical cell identifier used by the subordinate cell when the physical cell identifier used by the subordinate cell is in the available physical cell identifier list; In the case that the physical cell identifier used by the cell is not in the available physical cell identifier list, one physical cell identifier is selected in the available physical cell identifier list as the physical cell identifier used by the subordinate cell.
  • the selecting module 210 selects one physical cell identifier in the available physical cell identifier list according to one of the following: randomly or in the list of available physical cell identifiers Selecting a physical cell identifier according to the order; selecting a physical cell identifier from the available physical cell identifier list according to the available physical cell identifier list of different frequency points provided by the fixed access network node; according to the fixed access network a list of available physical cell identifiers of different geographical areas provided by the node, referring to the mobile trend of the mobile access network node, selecting one physical cell identifier from the list of available physical cell identifiers; and providing according to the fixed access network node
  • the list of available physical cell identifiers referring to a list of available physical identifiers provided by other fixed access network nodes except the fixed access network node, from the list of available physical cell identifiers provided by the fixed access network node Select a physical cell ID.
  • the specificity may be performed according to at least one of the following: Selecting: preferentially selecting one physical cell identifier in the list of available physical cell identifiers provided by the fixed access network node and the same frequency as the subordinate cell; preferentially corresponding to different frequency points provided by the fixed access network node Selecting a physical cell identifier from the intersection of the physical cell identifier list; In the case that the current physical cell identifier of the cell under the jurisdiction of the mobile access network node is in the list of available physical cell identifiers corresponding to the non-identical frequency of the subordinate cell provided by the fixed access network node, the mobile access The network node selects a frequency to reconfigure the cell under the jurisdiction, where the physical cell identifier of the cell under the jurisdiction of the mobile access network node is in the list of available cells corresponding to the selected
  • the selection module 210 selects according to the list of available physical cell identifiers in different geographic regions, the selection may be performed according to at least one of the following: prioritizing the intersection of the list of available physical cell identifiers in different geographic regions provided by the fixed access network node.
  • a physical cell identifier Selecting a physical cell identifier; determining a one or more geographical regions that may pass in the future by referring to a mobile trend of the mobile access network node, and preferentially providing the one or more geographical regions provided by the fixed access network node Selecting one physical cell identifier from the corresponding available physical cell identifier list; referring to the historical information of the mobile access network node, determining one or more geographical regions that may pass in the future, and preferentially providing the fixed access network node
  • One physical cell identifier is selected from the list of available physical cell identifiers corresponding to the one or more geographical areas.
  • the selection module 210 refers to the list of available physical identifiers provided by other fixed access network nodes other than the fixed access network node, select one physical cell from the list of available physical cell identifiers provided by the fixed access network node.
  • the identifier may be selected according to at least one of the following: preferentially selecting one physical cell identifier from an intersection of the available physical identifier list provided by the fixed access network node and the available physical identifier list provided by the other fixed access network node Selecting a physical cell identifier from the list of available physical cell identifiers provided by the fixed access network node and the list of available physical identifiers provided by the other fixed access network nodes according to the available physical cell identifier list of different frequency points Selecting one of the physical cell identifiers from the list of available physical identifiers provided by the fixed access network node and the list of available physical identifiers provided by the other fixed access network nodes according to the list of available physical cell identifiers of different geographic regions.
  • the selecting module 210 is further configured to select a frequency point corresponding to the selected physical cell identifier.
  • the apparatus further includes: a notification module, configured to notify the fixed access network node of the information selected by the selection module.
  • a physical cell identity allocation method is also provided.
  • the method can be implemented by the physical cell identity allocation system and/or apparatus described above.
  • FIG. 3 is a flowchart of a physical cell identity allocation method according to an embodiment of the present invention. As shown in FIG. 3, the method mainly includes:
  • Step S302 The mobile access network node obtains a list of available physical cell identifiers provided by the fixed access network node.
  • Step S304 The mobile access network node allocates the physical cell identifier in the available physical cell identifier list to the cell under the mobile access network node.
  • the fixed access network node may provide a list of available physical cell identifiers before performing step S302.
  • the available physical cell identifier list includes a physical cell identifier that can be provided to a cell under the mobile access network node.
  • the available physical cell identifier list may be separately provided according to different frequency point information.
  • the fixed access network node may also provide a list of available physical cell identifiers according to different geographical areas.
  • the fixed access network node may further provide a list of available physical cell identifiers by referring to historical information of the mobile access network node.
  • the fixed access network node may also provide a list of available physical cell identifiers provided by the fixed access network node around the fixed access network node.
  • the mobile access network node may obtain a list of available physical cell identifiers through dedicated signaling; or the mobile access network node may also pass non-dedicated signaling. Get a list of available physical cell IDs.
  • the dedicated signaling may be signaling during handover, or dedicated signaling of other procedures except the handover procedure; further, the non-dedicated signaling may be a broadcast message or other than broadcast Non-dedicated signaling for other processes.
  • the mobile access network node may allocate a physical cell identifier to the subordinate cell according to the following manner: the mobile access network node determines that the cell under the jurisdiction is currently used. Whether the physical cell identifier is in the list of available physical cell identifiers obtained from the fixed access network node, if the physical cell identifier currently used by the cell under the jurisdiction is in the list of available physical cell identifiers, the physical cell identifier selection and modification are not performed; Otherwise, a new physical cell identity is selected in the list of available physical cell identities.
  • the mobile access network node further determines whether the physical cell identifier and the frequency point information used by the subordinate cell are included in the available physical cell identifier list. If the physical use cell identifier and the frequency point information are in the available physical cell identifier list, the physical cell identifier selection and modification are not performed; otherwise, a new one is selected in the available physical cell identifier list. Physical cell identity.
  • the mobile access network node selects a physical cell identifier in the available physical cell identifier list, and further includes: the mobile access network node selects one physical cell in the available physical cell identifier list.
  • the physical cell identifier of the cell under the jurisdiction is identified, and the physical cell identifier is modified.
  • the mobile access network node may select one physical cell identifier in a random or sequential manner in the available physical cell identifier list.
  • the mobile access network node may select an appropriate physical cell identifier according to the available physical cell identifier list of different geographical areas provided by the fixed access network node.
  • the mobile access network node may preferentially select one physical cell identifier from the list of available physical cell identifiers provided by the fixed access network node and the same frequency as the subordinate cell; A physical cell identifier is selected in an intersection of the available physical cell identifier lists corresponding to the different frequency points provided by the network access node; and the current physical cell identifier of the cell under the mobile access network node is in the fixed access network.
  • the mobile access network node selects a frequency to reconfigure the subordinate cell, where the mobile connection The physical cell identifier of the cell under the jurisdiction of the ingress node is in the list of available cells corresponding to the selected frequency.
  • the mobile access network node may select an appropriate physical cell identifier according to the available physical cell identifier list of different geographical areas provided by the fixed access network node. For example, the mobile access network node may preferentially select one physical cell identifier in an intersection of the available physical cell identifier lists in different geographical areas provided by the fixed access network node; the mobile access network node may also refer to the Determining the mobile trend of the mobile access network node, determining one or more geographical areas that may pass in the future, and preferentially in the list of available physical cell identifiers corresponding to the one or more geographical areas provided by the fixed access network node Selecting a physical cell identifier; the mobile access network node may further refer to the historical information of the mobile access network node, determine one or more geographical regions that may pass in the future, and preferentially provide the fixed access network node.
  • One physical cell identifier is selected from the list of available physical cell identifiers corresponding to the one or more geographical areas.
  • the mobile access network node preferentially selects a physical cell identifier from the list of available physical cell identifiers corresponding to the one or more geographical areas provided by the fixed access network node, and may preferentially access the fixed physical connection
  • the intersection of the list of available physical cell identifiers corresponding to the one or more geographical areas provided by the network access node selects one physical cell identifier.
  • the mobile access network node may further refer to a list of available physical cell identifiers provided by other fixed access network nodes except the fixed access network node, from the fixed access.
  • One physical cell identifier is selected from the list of available physical cell identifiers provided by the network node.
  • the mobile access network section may preferentially select one physical cell identifier from an intersection of an available physical identifier list provided by the fixed access network node and an available physical identifier list provided by the other fixed access network node; And/or, the mobile access network node may further obtain the available physical cell identifier list and the other fixed access network node provided by the fixed access network node according to the available physical cell identifier list of different frequency points.
  • a physical cell identifier is selected from the list of available physical identifiers. For details, refer to the specific selection method for selecting a physical cell identifier according to different frequency points.
  • the mobile access network node may also be based on available physical technologies in different geographic regions.
  • a cell identifier list which is selected from a list of available physical identifiers provided by the fixed access network node and a list of available physical identifiers provided by the other fixed access network nodes (refer to the foregoing according to different geographic regions. The specific selection method of the physical cell identifier).
  • the mobile access network node selects a frequency point corresponding to the selected physical cell identifier in the process of selecting one physical cell identifier in the available physical cell identifier list.
  • the mobile access network node notifies the fixed access network node of the new physical cell identifier.
  • the mobile access network node may also notify the new frequency information of the fixed frequency information. Access network node.
  • the automatic configuration and modification of the physical cell identifier of the mobile access network node in the ultra-dense network can be implemented, and the network performance caused by the conflict of the physical cell identifier is seriously reduced.
  • the conflict of the physical cell identifier may be determined in advance, and the conflict of the physical cell identifier is avoided by the reconfiguration of the physical cell identifier.
  • the physical cell identifier reconfiguration scheme of the mobile access network node proposed by the embodiment of the present invention reduces the number of reconfigurations and the frequency of the physical cell identifier, and reduces the impact of physical cell identity reconfiguration on network performance.
  • This embodiment describes a process in which a fixed access network node provides a list of available physical cell identifiers.
  • FIG. 4 is a signaling flowchart of generating a different physical cell identifier list according to different frequency points in a fixed access network node according to the embodiment. As shown in FIG. 4, the method includes the following steps:
  • Step 401 The fixed access network node provides a physical cell identifier list (list) available to the cell of the mobile access network node according to the allocation and usage of the physical cell identifier.
  • the fixed access network node may perform all physical physics according to one or more of the physical cell identifier of the cell under its jurisdiction, the physical cell identifier of other cells in the coverage area, and the physical cell identifier of the surrounding cell. Some unused physical cell identifiers are selected in the cell identity to form a list of available physical cell identifiers.
  • the fixed access network node may select an unused physical cell identifier to form an available physical cell identifier list (list) within a certain physical cell identifier range.
  • the physical cell identifier range may be pre-configured, or obtained by a certain algorithm, or provided by other management nodes, for example, OAM (Operation Administration and Maintenance).
  • the available physical cell identifier list can be distinguished according to different frequency information.
  • the corresponding available physical cell identifier list is list1, that is, the mobile base station's cell is configured at the frequency point f1.
  • the physical cell identity in list1 can be used.
  • the corresponding available physical cell identifier list is list2; further, the physical cell identifiers in list1 and list2 may have duplicate physical cell identifiers.
  • Step 402 The fixed access network node sends the available physical cell identity list information to the mobile access network node through the dedicated message 1.
  • the dedicated message 1 may be an air interface message, such as an RRC configuration message or the like.
  • the mobile access network node performs the handover access procedure in the cell of the fixed access network node, that is, the fixed access network node is the target base station of the handover process of the mobile access network node, and the fixed access network node
  • the available physical cell identifier list information may be sent to the source base station of the mobile access network node by using the message 2 in the handover process with the source base station of the mobile access network node, and the source base station of the mobile access network node passes the mobile access again.
  • the air interface message of the network node sends the available physical cell identity list information to the mobile access network node.
  • the message 2 may be any message sent by the target base station to the source base station by the handover process, for example, may be a handover preparation acknowledgement message, a terminal context release message, or the like.
  • the available physical cell identifier list information includes an available physical cell identifier, and further, may include an available physical cell identifier corresponding to different frequency points.
  • Step 403 The fixed access network node sends the available physical cell identifier list information to the mobile access network node by using non-dedicated signaling, for example, transmitting the available physical cell identifier list information in a broadcast manner, and the mobile access network node reads the broadcast information. Obtain the available physical cell identification list information.
  • the available physical cell identifier list information includes an available physical cell identifier, and further, may include an available physical cell identifier corresponding to different frequency points.
  • Step 404 The mobile access network node performs a physical cell identity selection process in the obtained available physical cell identifier list.
  • This embodiment describes a process in which a fixed access network node provides a list of available physical cell identifiers.
  • FIG. 5 is a signaling procedure for the fixed access network node to generate different physical cell identifier lists according to different coverage areas in the second embodiment.
  • the figure, as shown in Figure 5, mainly includes the following steps:
  • Step 501 The fixed access network node provides a physical cell identifier list list available to the cell of the mobile access network node according to the allocation and usage of the physical cell identifier.
  • the fixed access network node may perform all physical physics according to one or more of the physical cell identifier of the cell under its jurisdiction, the physical cell identifier of other cells in the coverage area, and the physical cell identifier of the surrounding cell. Some unused physical cell identifiers are selected in the cell identity to form an available physical cell identity list list.
  • the fixed access network node may select an unused physical cell identifier to form an available physical cell identifier list list within a certain physical cell identifier range.
  • the physical cell identifier range may be pre-configured, or obtained by a certain algorithm, or given by another management node, for example, OAM (Operation Administration and Maintenance).
  • the fixed access network node may give a physical cell identifier list according to different coverage areas, for example, the corresponding area a, and the physical cell identifier list a is given, and in the area a, the mobile station base station may use the list.
  • the physical cell identifier list a and the physical cell identifier in the physical cell identifier list b may be duplicated.
  • the different coverage areas refer to dividing the coverage area of the fixed access network node into different coverage areas.
  • the coverage area may be represented by a latitude and longitude information, or may be identified by other identifiers, such as a cell id, a track area, a route area, and the like.
  • the fixed access network node may further select a physical cell identifier list of the specific area according to the historical information of the mobile access network node.
  • the historical information of the mobile access network node may include the mobile access network node.
  • the moving access history area the fixed access network node gives a list of physical cell identifiers available for the historical area according to the historical area in the coverage area.
  • Step 502 The fixed access network node sends the available physical cell identity list information to the mobile access network node by using the dedicated message 1.
  • the dedicated message 1 may be an air interface message, such as an RRC configuration message.
  • the mobile access network node may perform the handover access procedure in the cell of the fixed access network node, that is, the fixed access network node is the target base station of the handover process of the mobile access network node, and the fixed access network
  • the node may send the available physical cell identifier list information to the source base station of the mobile access network node by using the message 2 in the handover process with the source base station of the mobile access network node, and the source base station of the mobile access network node passes the mobile connection
  • the air interface message of the ingress node sends the available physical cell identity list information to the mobile access network node.
  • the message 2 may be any message sent by the target base station to the source base station by the handover process, and may be, for example, a handover preparation acknowledgement message, a terminal context release message, or the like.
  • the available physical cell identifier list information includes an available physical cell identifier, and further, may include an available physical cell identifier corresponding to different regions. In this embodiment, the available physical cell identifier corresponding to the historical area of the mobile access network node may also be included.
  • Step 503 The fixed access network node sends the available physical cell identifier list information to the mobile access network node by using non-dedicated signaling, for example, sending the available physical cell identifier list information in a broadcast manner, and the mobile access network node reads the broadcast information.
  • the physical cell identification list information can be used.
  • the available physical cell identifier list information includes an available physical cell identifier, and further, may include an available physical cell identifier corresponding to different regions. In this embodiment, the available physical cell identifier corresponding to the historical area of the mobile access network node may also be included.
  • Step 504 The mobile access network node performs a physical cell identity selection process in the obtained available physical cell identifier list.
  • This embodiment describes a process in which a fixed access network node provides a list of available physical cell identifiers.
  • the fixed access network node generates different physical cell identifier lists according to different frequency points and different regions.
  • FIG. 6 is that the fixed access network node generates different physical cell identifiers according to different frequency points and different regions in this embodiment.
  • the signaling flow chart of the list, as shown in Figure 6, mainly includes:
  • Step 601 The fixed access network node provides a physical cell identifier list list available to the cell of the mobile access network node according to the allocation and usage of the physical cell identifier.
  • the fixed access network node may perform all physical physics according to one or more of the physical cell identifier of the cell under its jurisdiction, the physical cell identifier of other cells in the coverage area, and the physical cell identifier of the surrounding cell. Some unused physical cell identifiers are selected in the cell identity to form an available physical cell identity list list.
  • the fixed access network node may select an unused physical cell identifier to form an available physical cell identifier list list within a certain physical cell identifier range.
  • the physical cell identifier range is pre-configured, or obtained by a certain algorithm, or given by another management node, for example, OAM (Operation Administration and Maintenance).
  • the fixed access network node may give a physical cell identifier list according to a combination of different frequency points and different coverage areas, for example, corresponding frequency point f1 and area a, and give a physical cell identifier list 1a, that is, an in-band frequency point of the area a.
  • the physical cell identifiers in the f1, 1a mobile access network nodes are all usable; corresponding to the frequency points f2 and b, the physical cell identification list 2b is given.
  • the physical cell identity list 1a and the physical cell identity list 2b may have duplicate physical cell identifiers.
  • the different coverage areas refer to the coverage area of the fixed access network node, and are divided into different coverage areas.
  • the different coverage areas refer to dividing the coverage area of the fixed access network node into different coverage areas.
  • the coverage area may be represented by a latitude and longitude information, or may be identified by other identifiers, such as a cell id, a track area, a route area, and the like.
  • the fixed access network node may further select a physical cell identifier list of the specific area according to the historical information of the mobile access network node.
  • the historical information of the mobile access network node may include the mobile access network node moving.
  • the fixed access network node gives a list of physical cell identifiers available for the historical area according to historical areas in the coverage area and different frequency points.
  • Step 602 The fixed access network node sends the available physical cell identity list information to the mobile access network node by using the dedicated message 1.
  • the dedicated message 1 may be an air interface message, such as an RRC configuration message or the like.
  • the mobile access network node is in the cell of the fixed access network node by the handover access procedure, that is, the fixed access network node is the target base station of the handover process of the mobile access network node, and the fixed access network node can pass Message 2 in the process of handover with the source base station of the mobile access network node sends the available physical cell identity list information to the source base station of the mobile access network node, and the source base station of the mobile access network node passes through the mobile access network node
  • the air interface message sends the available physical cell identity list information to the mobile access network node.
  • the message 2 may be any message sent by the target base station to the source base station by the handover process, and may be, for example, a handover preparation acknowledgement message, a terminal context release message, or the like.
  • the available physical cell identifier list information includes an available physical cell identifier, and further, may include different frequency points and available physical cell identifiers corresponding to different regions. In this embodiment, different frequency points of the mobile access network node and available physical cell identifiers corresponding to the historical area may also be included.
  • Step 603 The fixed access network node sends the available physical cell identifier list information to the mobile access network node by using non-dedicated signaling, for example, sending the available physical cell identifier list information in a broadcast manner, and the mobile access network node reads the broadcast information.
  • the physical cell identification list information can be used.
  • the available physical cell identifier list information includes an available physical cell identifier, and further, may include different frequency points and available physical cell identifiers corresponding to different regions. In this embodiment, different frequency points of the mobile access network node and available physical cell identifiers corresponding to the historical area may also be included.
  • Step 604 The mobile access network node performs a physical cell identity selection process in the obtained available physical cell identifier list.
  • the available physical cell identifier of the surrounding fixed access network node in the available physical cell identifier list is taken as an example for description.
  • FIG. 7 is a signaling flowchart of a list of available physical cell identifiers of a surrounding fixed access network node in Embodiment 4, as shown in FIG. 7, which mainly includes:
  • Step 701 the fixed access network node generates a list of available physical cell identifiers of the local node, and the fixed access network node may obtain a list of available physical cell identifiers of the surrounding nodes.
  • the fixed access network node may obtain an available physical cell identifier list of all surrounding nodes, such as an x2 message, or other similar interface message, through an interface message between the fixed access network nodes.
  • the fixed access network node may select surrounding fixed access network nodes according to historical information of the mobile base station.
  • the fixed access network node corresponds to the surrounding fixed base station according to the cell information in the historical information of the mobile access network node, that is, the fixed access network node to which the cell in the history information belongs, and is selected.
  • the fixed access network node has adjacent cells around the fixed access network node.
  • Step 702 The fixed access network node sends the available physical cell identity list information to the mobile access network node by using the dedicated message 1.
  • the dedicated message 1 may be an air interface message, such as an RRC configuration message or the like.
  • the mobile access network node may perform the handover access procedure in the cell of the fixed access network node, that is, the fixed access network node is the target base station of the handover process of the mobile access network node, and the fixed access network
  • the node may send the available physical cell identifier list information to the source base station of the mobile access network node by using the message 2 in the handover process with the source base station of the mobile access network node, and the source base station of the mobile access network node passes the mobile connection Network access
  • the air interface message of the node sends the available physical cell identity list information to the mobile access network node.
  • the message 2 may be any message sent by the target base station to the source base station by the handover process, and may be, for example, a handover preparation acknowledgement message, a terminal context release message, or the like.
  • the available physical cell identifier list information includes a list of available physical cell identifiers provided by the fixed access network node, and further, may include a list of available physical cell identifiers provided by the surrounding fixed access network nodes.
  • Step 703 The fixed access network node sends the available physical cell identifier list information to the mobile access network node by using non-dedicated signaling, for example, sending the available physical cell identifier list information in a broadcast manner, and the mobile access network node reads the broadcast information. Obtain the available physical cell identification list information.
  • the available physical cell identifier list information includes a list of available physical cell identifiers provided by the fixed access network node, and further, may include a list of available physical cell identifiers provided by the fixed access network node around the fixed access network node.
  • Step 704 The mobile access network node performs a physical cell identifier selection process in the obtained available physical cell identifier list.
  • This embodiment describes a process of assigning a physical cell identifier to a mobile access network node.
  • the mobile access network node selects a new physical cell identifier in the list of available physical cell identifiers
  • FIG. 8 is that the mobile access network node in the fifth embodiment selects a new one in the list of available physical cell identifiers at different frequency points.
  • the signaling flowchart of the physical cell identifier as shown in FIG. 8, mainly includes:
  • Step 801 The mobile access network node obtains a list of available physical cell identifiers provided by the fixed access network node.
  • Step 802 Determine whether the physical cell identifier of the cell 1 in the cell is in the list of available physical cell identifiers provided by the fixed access network node, and if not, modify the physical cell identifier; if the physical cell identifier of the cell 1 is not in the available physical cell identifier In the list, step 803 is performed, and the mobile access network node performs the same operation on all cell traversals under the jurisdiction.
  • Step 803 Select a physical cell identifier in the available physical cell identifier list as a new physical cell identifier.
  • the mobile access network node may randomly select one physical cell identifier in the available physical cell identifier list, or select another physical cell identifier, such as a sequential selection manner, as a new physical cell identifier.
  • the mobile access network node may preferentially select one physical cell identifier in the list of available physical cell identifiers of the same frequency as the cell1, as a new one.
  • the physical cell identifier if no physical cell identifier is selectable therein, the mobile access network node may select one physical cell identifier in the list of available physical cell identifiers corresponding to other frequency points.
  • the mobile access network node may also select one physical cell identifier in the intersection of the available physical cell identifier lists corresponding to different frequency points.
  • the mobile access network node may reselect only one frequency for reconfiguration, that is, the physical cell identifier of the cell 1 is in the list of available cells corresponding to the frequency.
  • the mobile access network node may refer to the list of available physical cell identifiers of other fixed access network nodes in the process of selecting a physical cell identity, for example, may preferentially select available physical cells in multiple fixed access network nodes.
  • the physical cell identifier in the intersection of the identification list.
  • the mobile access network node may reduce the number or frequency of re-allocation of the physical cell identity by the subordinate cell during the process of moving to the nearby fixed access network node.
  • Step 804 The mobile access network node performs physical cell identity reconfiguration of the cell 1 and configures the newly selected physical cell identifier as the physical cell identifier of the cell 1. If the frequency of the cell 1 also needs to be reconfigured, the frequency is reconfigured at the same time.
  • Step 805 The mobile access network node notifies the fixed access network node of the new physical cell identifier.
  • the new frequency is notified to the fixed access network node. This step is optional.
  • This embodiment describes a process of assigning a physical cell identifier to a mobile access network node.
  • the mobile access network node selects a new physical cell identifier in the list of available physical cell identifiers in different areas
  • FIG. 9 is that the mobile access network node in the sixth embodiment selects the list of available physical cell identifiers in different areas.
  • the signaling flow chart of the new physical cell identifier as shown in FIG. 9, mainly includes:
  • Step 901 The mobile access network node receives a list of available physical cell identifiers provided by the fixed access network node.
  • Step 902 It is determined whether the physical cell identifier of the cell 1 of the cell under the jurisdiction is in the list of available physical cell identifiers. If yes, the physical cell identifier is not modified; if the physical cell identifier of the cell 1 of the cell is not in the list of available physical cells, In step 903, the mobile access network node performs the same operation on all cell traversals under the jurisdiction.
  • Step 903 Select a physical cell identifier in the available physical cell identifier list as a new physical cell identifier.
  • the mobile access network node may randomly select one physical cell identifier in the available physical cell identifier list, or select another physical cell identifier, such as a sequential selection manner, as a new physical cell identifier.
  • the mobile access network node may select one physical cell identifier according to different algorithms in the available physical cell identifier list in different areas. For example, one physical cell identifier may be selected preferentially in the intersection of the available physical cell identifier lists in different regions.
  • the mobile access network node may predict or determine a plurality of geographical areas to be passed in the future according to one or more of information such as speed, direction, future possible motion trajectory, etc., and prioritize the plurality of geographical areas.
  • a physical cell identifier is selected in the list of available physical cell identifiers corresponding to the region. Further, one physical cell identifier may be selected in the intersection of the available physical cell identifier lists corresponding to the regions.
  • the mobile access network node may also refer to the list of available physical cell identifiers of other fixed access network nodes in the process of selecting the physical cell identifier.
  • the mobile access network node may predict or determine a fixed access network node that may pass in the future according to one or more of the information such as the speed, direction, and future motion trajectory of the node.
  • the mobile access network node may preferentially select the physical cell identity in the intersection of the list of available physical cell identities of the plurality of fixed access network nodes to be passed in the future.
  • the mobile access network node may predict or determine different geographic areas under the fixed access network node that may pass in the future according to one or more of the speed, direction, and future motion trajectory of the node movement. .
  • the mobile access network node may select one physical cell identifier in a list of available physical cell identifiers corresponding to different areas of the fixed access network node and other fixed access network nodes to be passed. Further, one physical cell identifier may be selected in the intersection of the available physical cell identifier lists corresponding to the several regions.
  • the mobile access network node can reduce the number or frequency of re-allocation of the physical cell identity by the subordinate cell during the process of moving to the nearby fixed access network node.
  • the mobile access network node may combine the current motion trend with the historical region.
  • the physical cell identity can be selected to select a physical cell identity.
  • the intersection of the available physical cell identifier lists corresponding to the plurality of regions is preferentially selected to correspond to different frequencies.
  • the available physical cell identifiers in the intersection of the available physical cell identifier lists, or the available physical cell identifiers in the available physical cell identifier list of the same frequency as the cell1 are preferentially selected in the intersection of the available physical cell identifier lists corresponding to the plurality of regions.
  • Step 904 The mobile access network node performs physical cell identity reconfiguration of the cell 1 and configures the newly selected physical cell identifier as the physical cell identifier of the cell 1. If the frequency of the cell 1 also needs to be reconfigured, the frequency is reconfigured at the same time.
  • Step 905 The mobile access network node notifies the fixed access network node of the new physical cell identifier.
  • the new frequency is notified to the fixed access network node. This step is optional.
  • This embodiment describes a process of assigning a physical cell identifier to a mobile access network node.
  • the mobile access network node selects a new physical cell identifier in the available physical cell identifier list in different areas, and refers to the history information of the mobile access network node.
  • 10 is a signaling flowchart of selecting a new physical cell identifier in a list of available physical cell identifiers in different areas according to historical information, as shown in FIG. 10, which mainly includes:
  • Step 101 The mobile access network node receives a list of available physical cell identifiers provided by the fixed access network node.
  • Step 102 Determine whether the physical cell identifier of the cell 1 of the cell under the jurisdiction is in the list of available physical cell identifiers. If yes, the physical cell identifier is not modified; if the physical cell identifier of the cell 1 of the cell is not in the list of available physical cells, Step 103 is executed, and the mobile access network node performs the same operation on all cell traversals under the jurisdiction.
  • Step 103 Select a physical cell identifier in the available physical cell identifier list as a new physical cell identifier.
  • the mobile access network node may randomly select one physical cell identifier in the available physical cell identifier list, or select another physical cell identifier, such as a sequential selection manner, as a new physical cell identifier.
  • the mobile access network node may select one physical cell identifier according to different algorithms in the available physical cell identifier list in different areas. For example, one physical cell identifier may be selected preferentially in the intersection of the available physical cell identifier lists in different regions.
  • the mobile access network node may predict or determine a plurality of geographical areas that will pass in the future according to the historical information, and select one physical cell identifier in the intersection of the available physical cell identifier lists corresponding to the several areas.
  • the historical information includes a motion trajectory before the mobile access network node, and the mobile access network node may predict or determine a plurality of geographic regions that will pass in the future according to the historical motion trajectory, or may also refer to the current motion trajectory information. For example, information such as speed, direction, etc., to predict or determine several geographic areas that will pass in the future.
  • the mobile access network node may preferentially select one physical cell identifier in the list of available physical cell identifiers corresponding to the plurality of regions, and further, may preferentially select one physical cell in the intersection of the available physical cell identifier lists corresponding to the plurality of regions.
  • logo may preferentially select one physical cell identifier in the list of available physical cell identifiers corresponding to the plurality of regions, and further, may preferentially select one physical cell in the intersection of the available physical cell identifier lists corresponding to the plurality of regions.
  • the mobile access network node may refer to the list of available physical cell identifiers provided by other fixed access network nodes in the process of selecting the physical cell identifier.
  • the mobile access network node may predict or determine a fixed access network node that may pass in the future based on historical information.
  • the mobile access network node may preferentially select the physical cell identity in the intersection of the list of available physical cell identities of the plurality of fixed access network nodes to be passed in the future.
  • the mobile access network node may predict or determine different geographic areas under different fixed access network nodes that may pass in the future according to historical information.
  • the mobile access network node may select one physical cell identifier in the list of available physical cell identifiers corresponding to different areas of the fixed access network node and other fixed access network nodes to be passed. Further, one physical cell identifier may be selected in the intersection of the available physical cell identifier lists corresponding to the several regions.
  • the mobile access network node may reduce the number or frequency of re-allocation of the physical cell identity by the subordinate cell during the process of moving to the nearby fixed access network node.
  • the available physical cell identifier list corresponding to different frequencies is preferentially selected in the intersection of the available physical cell identifier lists corresponding to the plurality of regions.
  • Step 104 The mobile access network node performs physical cell identity reconfiguration of the cell 1 and configures the newly selected physical cell identifier as the physical cell identifier of the cell 1. If the frequency of the cell 1 also needs to be reconfigured, the frequency is reconfigured at the same time.
  • Step 105 The mobile access network node notifies the fixed access network node of the new physical cell identifier.
  • the new frequency is notified to the fixed access network node. This step is optional.
  • the automatic configuration and modification of the physical cell identifier of the mobile access network node in the ultra-dense network can be implemented, and the network performance caused by the conflict of the physical cell identifier is seriously reduced.
  • the conflict of the physical cell identifier may be determined in advance, and the conflict of the physical cell identifier is avoided by the reconfiguration of the physical cell identifier.
  • the physical cell identifier reconfiguration scheme of the mobile access network node proposed by the embodiment of the present invention reduces the number of reconfigurations and the frequency of the physical cell identifier, and reduces the impact of physical cell identity reconfiguration on network performance.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices.
  • they may be implemented by program code executable by the computing device, so that they may be stored in the storage device by the computing device, and in some cases may be different from here.
  • the steps shown or described are performed sequentially, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated into a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the mobile access network node obtains the available physical cell identifier list from the fixed access network node, and allocates the physical cell identifier to the subordinate cell according to the available physical cell identifier list, which can be implemented in
  • the automatic configuration and modification of the physical cell identifier of the mobile access network node in the ultra-dense network avoids the serious degradation of network performance caused by the conflict of the physical cell identifier.
  • the number and frequency of reconfigurations of the physical cell identifier are reduced, which reduces the impact of physical cell identity reconfiguration on network performance.

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Abstract

本发明公开了一种物理小区标识分配方法、装置及系统。其中，该方法包括：移动接入网节点获取固定接入网节点提供的可用物理小区标识列表；移动接入网节点将可用物理小区标识列表中的物理小区标识分配给移动接入网节点的下辖小区。

Description

物理小区标识分配方法、装置及系统 技术领域
本发明涉及通信领域，具体而言，涉及一种物理小区标识分配方法、装置及系统。
背景技术
目前，为满足无线移动业务量的增长，提了超密集网络(Ultra Dense Network，UDN)，通过增加网络节点的部署密度实现网络容量的增长，即通过增加无线接入网节点(radio access network node，RAN-node)的部署密度实现网络容量的增长。而且，通过无线接入网节点的密集部署还可以拉近了用户和无线接入网节点之间的距离。这种近距离的无线通信一方面可以提高通信链路的可靠性，另一方面还可以提高区域内频谱的复用效率，从而可以进一步提高网络容量。与此同时，用户和无线接入网节点之间的近距离通信，使得毫米波可以在超密集网络中使用，毫米波丰富的频率资源为超密集网络提供了更大的带宽，从而又进一步提高了网络容量。无线接入网节点为用户设备可以通过无线通信链路接入网络的接入网设备，比如基站(NodeB，eNB)、低功率节点(Low Power Node，LPN)及接入点(Access Point，AP)等都是无线接入网节点。
在提高网络容量的同时，运营商希望不增加网络的资本支出(Capital Expenditure，CAPEX)和运营支出(Operating Expense，OPEX)，因此，超密集网络的部署需要减少人为的计划、优化和管理，可以根据网络拓扑、网络负荷、业务需求等在室内、室外的热点区域或者大业务量区域完成灵活快速部署，并实现自配置、自优化及自治愈，且很多接入网设备都是具备移动特性。物理小区标识(Physical Cell Id，简称为PCI)是无线小区的基本配置参数，目前，PCI是由网络规划进行分配的，属于无线接入网节点初始配置的工作之一。PCI的分配要尽量保证在一定覆盖区域内小区间的物理小区标识不发生冲突，保证地理位置上邻近的小区间不发生干扰。由于超密集网络中无线接入网节点的数量众多，如何避免冲突是一个非常重要的问题，无线接入网节点的移动性更是增加了网络中物理小区标识冲突的概率。
在相关技术中，对于具备移动特性的无线接入网节点如何进行物理小区标识的自配置的问题还没有提出有效的解决方案。
发明内容
针对具备移动特性的无线接入网节点如何进行物理小区标识的自配置的问题，本发明提供了一种物理小区标识分配方法、装置及系统，以至少解决上述问题。
根据本发明的一个实施例，提供了一种物理小区标识分配方法，包括：移动接入网节点获取固定接入网节点提供的可用物理小区标识列表；所述移动接入网节点将所述可用物理小区标识列表中的物理小区标识分配给所述移动接入网节点下辖小区。
在本实施例中，所述可用物理小区标识列表中包括所述固定接入网节点提供给移动无线接入网节点下辖小区使用的物理小区标识。
在本实施例中，所述述可用物理小区标识列表中还包括：所述固定接入网节点邻近的固定接入网节点提供的可用物理小区标识列表。
在本实施例中，在移动接入网节点从固定接入网节点获取可用小区特征地址列表之前，所述方法还包括：所述固定接入网节点向所述移动接入网节点提供所述可用物理小区标识列表。
在本实施例中，所述固定接入网节点向所述移动接入网节点提供所述可用物理小区标识列表，包括以下之一：所述固定接入网节点按照不同的频点信息分别向所述移动接入网节点提供所述可用物理小区标识列表；所述固定接入网节点按照不同的地理区域分别向所述移动接入网节点提供所述可用物理小区标识列表；所述固定接入网节点参考所述移动接入网节点的历史信息向所述移动接入网节点提供所述可用物理小区标识列表。
在本实施例中，所述移动接入网节点获取固定接入网节点提供的可用物理小区标识列表，包括以下之一：所述移动接入网节点通过专用信令，获取所述固定接入网节点提供的可用物理小区标识列表；所述移动接入网节点通过非专用信令，获取所述固定接入网节点提供的可用物理小区标识列表。
在本实施例中，所述专用信令包括：切换过程或除切换过程以外的其它过程中的专用信令；所述非专用信令包括：广播消息，或者除广播过程以外的其它过程中的非专用信令。
在本实施例中，所述移动接入网节点将所述可用物理小区标识列表中的物理小区标识分配给所述移动接入网节点下辖小区，包括：所述移动接入网节点将所述下辖小区使用的物理小区标识和获取的所述可用物理小区标识列表的各个物理小区标识进行 比较，在所述下辖小区使用的物理小区标识在可用物理小区标识列表中情况下，保持所述下辖小区使用的物理小区标识；在所述下辖小区使用的物理小区标识不在可用物理小区标识列表中情况下，在所述可用物理小区标识列表中选择一个物理小区标识作为所述下辖小区使用的物理小区标识。
在本实施例中，在所述可用物理小区标识列表中选择一个物理小区标识，包括以下至少之一：所述移动接入网节点在所述固定接入网节点提供的可用物理小区标识列表中随机或按照顺序选择一个物理小区标识；所述移动接入网节点根据所述固定接入网节点提供的不同频点的可用物理小区标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识；所述移动接入网节点根据所述固定接入网节点提供的不同地理区域的可用物理小区标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识；所述移动接入网节点根据所述固定接入网节点提供的所述可用物理小区标识列表，参考除所述固定接入网节点以外的其它固定接入网节点提供的可用物理标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识。
在本实施例中，所述移动接入网节点根据不同频点的可用物理小区标识列表，从所述可用物理小区标识列表中选择一个物理小区标识包括以下至少之一：所述移动接入网节点优先在与所述下辖小区同频率的可用物理小区标识列表中选择一个物理小区标识；所述移动接入网节点优先在不同频点对应的可用物理小区标识列表的交集中选择一个物理小区标识；在所述移动接入网节点的下辖小区当前的物理小区标识在所述固定接入网节点提供的与所述下辖小区非同频率对应的可用物理小区标识列表中的情况下，所述移动接入网节点选择一个频率对所述下辖小区进行重配置，其中，所述移动接入网节点的下辖小区的物理小区标识在选择的所述频率对应的可用小区列表中。
在本实施例中，所述移动接入网节点根据不同地理区域的可用物理小区标识列表，从所述可用物理小区标识列表中选择一个物理小区标识，包括以下至少之一：所述移动接入网节点优先在不同地理区域的可用物理小区标识列表的交集中选择一个物理小区标识；所述移动接入网节点参考所述移动接入网节点的移动趋势，确定未来可能经过的一个或多个地理区域，并优先在所述一个或多个地理区域对应的可用物理小区标识列表中选择一个物理小区标识；所述移动接入网节点参考所述移动接入网节点的历史信息，确定未来可能经过的一个或多个地理区域，并优先在所述一个或多个地理区域对应的可用物理小区标识列表中选择一个物理小区标识。
在本实施例中，所述移动接入网节点优先在所述一个或多个地理区域对应的可用物理小区标识列表中选择一个物理小区标识包括：所述移动接入网节点优先从所述一个或多个地理区域对应的可用物理小区标识列表的交集中选择一个物理小区标识。
在本实施例中，参考除所述固定接入网节点以外的其它固定接入网节点提供的可用物理标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识，包括以下至少之一：所述移动接入网节点优先从所述固定接入网节点提供的可用物理标识列表和所述其它固定接入网节点提供的可用物理标识列表的交集中选择一个物理小区标识；所述移动接入网节点根据不同频点的可用物理小区标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表和所述其它固定接入网节点提供的可用物理标识列表中选择一个物理小区标识；所述移动接入网节点根据不同地理区域的可用物理小区标识列表，从所述固定接入网节点提供的可用物理标识列表和所述其它固定接入网节点提供的可用物理标识列表选择中一个物理小区标识。
在本实施例中，在所述移动接入网节点在从所述可用物理小区标识列表中选择一个物理小区标识之后，所述方法还包括：所述移动接入网节点将选择的所述物理小区标识通知给所述固定接入网节点。
在本实施例中，所述移动接入网节点在从所述可用物理小区标识列表中选择一个物理小区标识的过程中，选择与选择的所述物理小区标识对应的频点。
在本实施例中，在所述移动接入网节点将选择的所述物理小区标识通知给所述固定接入网节点时，所述移动接入网节点还将选择的所述频点的频率信息通知给所述固定接入网节点。
根据本发明的另一个实施例提供了一种物理小区标识分配装置，包括：获取模块，设置为获取固定接入网节点提供的可用物理小区标识列表；分配模块，设置为将所述可用物理小区标识列表中的物理小区标识分配给所述移动接入网节点下辖小区。
在本实施例中，所述获取模块通过专用信令或非专用信令获取所述可用物理小区标识列表。
在本实施例中，所述分配模块包括：比较模块，设置为将所述下辖小区使用的物理小区标识和获取的所述可用物理小区标识列表的各个物理小区标识进行比较；执行模块，设置为在所述下辖小区使用的物理小区标识在可用物理小区标识列表中情况下，保持所述下辖小区使用的物理小区标识；选择模块，设置为在所述下辖小区使用的物 理小区标识不在可用物理小区标识列表中情况下，在所述可用物理小区标识列表中选择一个物理小区标识作为所述下辖小区使用的物理小区标识。
在本实施例中，所述选择模块按照以下之一的方式在所述可用物理小区标识列表中选择一个物理小区标识：在所述可用物理小区标识列表中随机或按照顺序选择一个物理小区标识；根据所述固定接入网节点提供的不同地理区域的可用物理小区标识列表，从所述可用物理小区标识列表中选择一个物理小区标识；根据所述固定接入网节点提供的不同地理区域的可用物理小区标识列表，参考所述移动接入网节点的移动趋势，从所述可用物理小区标识列表中选择一个物理小区标识；根据所述固定接入网节点提供的所述可用物理小区标识列表，参考除所述固定接入网节点以外的其它固定接入网节点提供的可用物理标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识。
在本实施例中，所述选择模块还设置为选择与选择的所述物理小区标识对应的频点。
在本实施例中，所述装置还包括：通知模块，设置为将所述选择模块选择的信息通知给所述固定接入网节点。
根据本发明的又一个实施例，提供了一种物理小区标识分配系统，包括：固定接入网节点和移动接入网节点，其中，所述固定接入网节点设置为向所述移动接入网节点提供可用物理小区标识列表；所述移动接入网节点，包括上述装置，设置为根据所述可用物理小区标识列表，为所述移动接入网节点下辖小区分配物理小区标识。
在本实施例中，所述固定接入网节点通过以下之一的方式向所述移动接入网节点提供所述可用物理小区标识列表：按照不同的频点向所述移动接入网节点提供所述可用物理小区标识列表；按照不同的地理区域向所述移动接入网节点提供所述可用物理小区标识列表；参考所述移动接入网节点的历史信息向所述移动接入网节点提供所述可用物理小区标识列表。
通过本发明，移动接入网节点从固定接入网节点获取可用物理小区标识列表，根据该可用物理小区标识列表，为下辖小区分配物理小区标识，可以实现在超密集网络中移动接入网节点的物理小区标识的自动配置和修改，避免因为物理小区标识的冲突带来的网络性能的严重下降。减少物理小区标识的重配置次数和频率，减少了物理小区标识重配置对网络性能的影响。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1是根据本发明实施例的物理小区标识分配系统的结构示意图；
图2是根据本发明实施例的物理小区标识分配装置的结构示意图；
图3是根据本发明实施例的物理小区标识分配方法的流程图；
图4是实施例一中固定接入网节点按照不同频点生成不同的物理小区标识列表的流程图；
图5是实施例二中固定接入网节点按照不同覆盖区域生成不同的物理小区标识列表的流程图；
图6是实施例三中固定接入网节点按照不同频点和不同区域生成不同的物理小区标识列表的流程图；
图7是实施例四中包含周围固定接入网节点的可用物理小区标识列表的流程图；
图8是实施例五中移动接入网节点在不同频点的可用物理小区标识列表中选择新的物理小区标识的流程图；
图9是实施例六中移动接入网节点在不同区域的可用物理小区标识列表中选择新的物理小区标识的流程图；
图10是实施例七中移动接入网节点根据历史信息在不同区域的可用物理小区标识列表中选择新的物理小区标识的流程图。
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
固定接入网节点(也可称为固定节点)：所管辖的小区的位置是固定的，不会频繁移动。固定接入网节点，可以是管理固定小区的基站、基站控制器、无线接入点、或其它具备类似功能的网元。
移动接入网节点(也可以称为移动节点)：可以频繁的移动的基站、无线接入点、或其它具备类似功能的网元，其管辖的小区也是随之频繁移动的。即移动接入网节点管辖的小区的地理位置是频繁变化的。
在网络中，移动接入网节点移动在不同的地理区域时，其下辖的小区的物理小区标识可能会与该区域的其它小区的物理小区标识发生冲突，形成信号冲突和干扰，从而导致终端的服务中断，造成严重后果。为了解决这个问题，需要提前判断是否可能会造成物理小区标识冲突，若会造成物理小区标识冲突，则移动接入网节点需选择合适的物理小区标识，进行物理小区标识的修改，从而避免物理小区标识发生冲突。
在本发明实施例中，固定接入网节点给出可用物理小区标识列表，在该列表中的物理小区标识，是移动接入网节点的小区可以采用的。即，移动接入网节点的小区采用了列表中的物理小区标识，在固定接入网节点的小区的覆盖区域范围内移动是不会发生物理小区标识冲突的。若移动接入网节点的小区的物理小区标识在固定接入网节点给出的可用物理小区标识列表，则不用选择新的物理小区标识进行修改，否则，就重新选择新的物理小区标识并进行修改，修改的小区在固定接入网节点的小区的覆盖区域范围内移动，不会发生物理小区标识冲突。
根据本发明实施例，提供一种自动分配物理小区标识的方案，用于解决移动接入网节点(也可以称为移动节点)的物理小区标识分配的技术问题。
根据本发明实施例，提供了一种物理小区标识分配系统。
图1为根据本发明实施例的物理小区标识分配系统的结构示意图，如图1所示，该系统主要包括固定接入网节点10和移动接入网节点20。其中，固定接入网节点10设置为向所述移动接入网节点提供可用物理小区标识列表；移动接入网节点20设置为从固定接入网节点10获取所述可用物理小区标识列表，并根据所述可用物理小区标识列表，为所述移动接入网节点下辖小区分配物理小区标识。
在本发明可选实施例中，移动接入网节点20可以包括下述的物理小区标识分配装置，具体参见下面的描述。
在本发明实施例的可选实施方式中，所述固定接入网节点10可以通过以下之一的方式向所述移动接入网节点提供所述可用物理小区标识列表：按照不同的频点向所述移动接入网节点提供所述可用物理小区标识列表；按照不同的地理区域向所述移动接入网节点提供所述可用物理小区标识列表；参考所述移动接入网节点的历史信息向所述移动接入网节点提供所述可用物理小区标识列表。
根据本发明实施例，提供了一种物理小区标识分配装置，在本实施例中，该装置可以位于上述移动接入网节点20中，或者，也可以位于移动接入网节点20之外，通过与移动接入网节点20进行交互完成其功能。
图2为根据本发明实施例的物理小区标识分配装置的结构示意图，如图2所示，该装置主要包括：获取模块200，设置为获取固定接入网节点提供的可用物理小区标识列表；分配模块210，设置为将所述可用物理小区标识列表中的物理小区标识分配给移动接入网节点的下辖小区。
在本发明实施例的一个可选实施方式中，所述获取模块200可以通过专用信令或非专用信令获取所述可用物理小区标识列表。其中，专用信令是指诸如切换过程之类的专用信令，非专用信令是指广播消息或其它的非专用信令。
在本发明实施例的一个可选实施方式中，所述分配模块210可以包括：比较模块，设置为将所述下辖小区使用的物理小区标识和获取的所述可用物理小区标识列表的各个物理小区标识进行比较；执行模块，设置为在所述下辖小区使用的物理小区标识在可用物理小区标识列表中情况下，保持所述下辖小区使用的物理小区标识；选择模块，设置为在所述下辖小区使用的物理小区标识不在可用物理小区标识列表中情况下，在所述可用物理小区标识列表中选择一个物理小区标识作为所述下辖小区使用的物理小区标识。
在本发明实施例的一个可选实施方式中，所述选择模块210按照以下之一的方式在所述可用物理小区标识列表中选择一个物理小区标识：在所述可用物理小区标识列表中随机或按照顺序选择一个物理小区标识；根据所述固定接入网节点提供的不同频点的可用物理小区标识列表，从所述可用物理小区标识列表中选择一个物理小区标识；根据所述固定接入网节点提供的不同地理区域的可用物理小区标识列表，参考所述移动接入网节点的移动趋势，从所述可用物理小区标识列表中选择一个物理小区标识；根据所述固定接入网节点提供的所述可用物理小区标识列表，参考除所述固定接入网节点以外的其它固定接入网节点提供的可用物理标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识。
其中，如果选择模块210根据所述固定接入网节点提供的不同频点的可用物理小区标识列表，从所述可用物理小区标识列表中选择一个物理小区标识，则具体可以按照以下至少之一进行选择：优先在所述固定接入网节点提供的与所述下辖小区同频率的可用物理小区标识列表中选择一个物理小区标识；优先在所述固定接入网节点提供的不同频点对应的可用物理小区标识列表的交集中选择一个物理小区标识；在所述移 动接入网节点的下辖小区当前的物理小区标识在所述固定接入网节点提供的与所述下辖小区非同频率对应的可用物理小区标识列表中的情况下，所述移动接入网节点选择一个频率对所述下辖小区进行重配置，其中，所述移动接入网节点的下辖小区的物理小区标识在选择的所述频率对应的可用小区列表中。
如果选择模块210按照不同地理区域的可用物理小区标识列表进行选择，则可以按照以下至少之一进行选择：优先在所述固定接入网节点提供的不同地理区域的可用物理小区标识列表的交集中选择一个物理小区标识；参考所述移动接入网节点的移动趋势，确定未来可能经过的一个或多个地理区域，并优先在所述固定接入网节点提供的所述一个或多个地理区域对应的可用物理小区标识列表中选择一个物理小区标识；参考所述移动接入网节点的历史信息，确定未来可能经过的一个或多个地理区域，并优先在所述固定接入网节点提供的所述一个或多个地理区域对应的可用物理小区标识列表中选择一个物理小区标识。
如果选择模块210参考除所述固定接入网节点以外的其它固定接入网节点提供的可用物理标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识，则可以按照以下至少之一进行选择：优先从所述固定接入网节点提供的可用物理标识列表和所述其它固定接入网节点提供的可用物理标识列表的交集中选择一个物理小区标识；根据不同频点的可用物理小区标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表和所述其它固定接入网节点提供的可用物理标识列表中选择一个物理小区标识；根据不同地理区域的可用物理小区标识列表，从所述固定接入网节点提供的可用物理标识列表和所述其它固定接入网节点提供的可用物理标识列表选择中一个物理小区标识。在本发明实施例的可选实施方式中，在按照不同频点或不同地理区域进行选择时，可以按照上述的方式进行选择，具体不再赘述。
在本发明实施例的一个可选实施方式中，所述选择模块210还设置为选择与选择的物理小区标识对应的频点。
在本发明实施例的一个可选实施方式中，所述装置还包括：通知模块，设置为将所述选择模块选择的信息通知给所述固定接入网节点。
根据本明实施例，还提供了一种物理小区标识分配方法。该方法可以通过上述的物理小区标识分配系统和/或装置实现。
图3为根据本发明实施例的物理小区标识分配方法的流程图，如图3所示，该方法主要包括：
步骤S302，移动接入网节点获取固定接入网节点提供的可用物理小区标识列表；
步骤S304，移动接入网节点将所述可用物理小区标识列表中的物理小区标识分配给所述移动接入网节点下辖小区。
在本发明实施例的一个可选实施方式中，在执行步骤S302之前，固定接入网节点可以提供可用物理小区标识列表。
在本发明实施例的一个可选实施方式中，所述可用物理小区标识列表包括可以提供给移动接入网节点下辖的小区所使用的物理小区标识。
在本发明实施例的一个可选实施方式中，所述固定接入网节点提供可用物理小区标识列表时，可以按照不同的频点信息分别提供可用物理小区标识列表。
在本发明实施例的一个可选实施方式中，固定接入网节点也可以按照不同的地理区域分别提供可用物理小区标识列表。
在本发明实施例的一个可选实施方式中，固定接入网节点还可以参考移动接入网节点的历史信息提供可用物理小区标识列表。
在本发明实施例的一个可选实施方式中，固定接入网节点还可以同时提供本固定接入网节点周围的固定接入网节点提供的可用物理小区标识列表。
在本发明实施例的一个可选实施方式中，在执行步骤S302时，移动接入网节点可以通过专用信令获取可用物理小区标识列表；或者，移动接入网节点也可以通过非专用信令获取可用物理小区标识列表。
进一步的，所述专用信令可以是切换过程中的信令，或者除切换过程以外的其它过程的专用信令；进一步的，所述非专用信令可以是广播消息，或是除广播以外的其它过程的非专用信令。
在本发明实施例的一个可选实施方式中，在执行步骤S304时，所述移动接入网节点可以按照以下方式为下辖小区分配物理小区标识：移动接入网节点判断下辖小区当前使用的物理小区标识是否在从固定接入网节点获取的可用物理小区标识列表中，若下辖小区当前使用的物理小区标识在可用物理小区标识列表中，则不用进行物理小区标识的选择和修改；否则，则在所述可用物理小区标识列表中选择新的物理小区标识。
进一步的，如果可用物理小区标识列表中还包含频点信息，则移动接入网节点进一步判断下辖小区使用的物理小区标识和频点信息是否包含在可用物理小区标识列表 中，若下辖小使用物理小区标识和频点信息在所述可用物理小区标识列表中，则不用进行物理小区标识的选择和修改；否则，则在所述可用物理小区标识列表中选择新的物理小区标识。
在本发明实施例的可选实施方式中，所述移动接入网节点在可用物理小区标识列表中选择物理小区标识，进一步包含：移动接入网节点在可用物理小区标识列表中选择一个物理小区标识作为下辖小区的物理小区标识，并进行物理小区标识的修改。
在本发明实施例的可选实施方式中，移动接入网节点可以在可用物理小区标识列表中采用随机或顺序的方式选择一个物理小区标识。
在本发明实施例的可选实施方式中，移动接入网节点可以根据固定接入网节点提供的不同地理区域的可用物理小区标识列表，选择合适的物理小区标识。
例如，所述移动接入网节点可靠优先在所述固定接入网节点提供的与所述下辖小区同频率的可用物理小区标识列表中选择一个物理小区标识；也可以优先在所述固定接入网节点提供的不同频点对应的可用物理小区标识列表的交集中选择一个物理小区标识；另外，在所述移动接入网节点的下辖小区当前的物理小区标识在所述固定接入网节点提供的与所述下辖小区非同频率对应的可用物理小区标识列表中的情况下，所述移动接入网节点选择一个频率对所述下辖小区进行重配置，其中，所述移动接入网节点的下辖小区的物理小区标识在选择的所述频率对应的可用小区列表中。
在本发明实施例的可选实施方式中，移动接入网节点可以根据固定接入网节点提供的不同地理区域的可用物理小区标识列表，选择合适的物理小区标识。例如，所述移动接入网节点可以优先在所述固定接入网节点提供的不同地理区域的可用物理小区标识列表的交集中选择一个物理小区标识；所述移动接入网节点也可以参考所述移动接入网节点的移动趋势，确定未来可能经过的一个或多个地理区域，并优先在所述固定接入网节点提供的所述一个或多个地理区域对应的可用物理小区标识列表中选择一个物理小区标识；所述移动接入网节点还可以参考所述移动接入网节点的历史信息，确定未来可能经过的一个或多个地理区域，并优先在所述固定接入网节点提供的所述一个或多个地理区域对应的可用物理小区标识列表中选择一个物理小区标识。其中，所述移动接入网节点优先在所述固定接入网节点提供的所述一个或多个地理区域对应的可用物理小区标识列表中选择一个物理小区标识时，可以优先从所述固定接入网节点提供的所述一个或多个地理区域对应的可用物理小区标识列表的交集中选择一个物理小区标识。
在本发明实施例的可选实施方式中，移动接入网节点还可以参考除所述固定接入网节点以外的其它固定接入网节点提供的可用物理小区标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识。例如，所述移动接入网节可以点优先从所述固定接入网节点提供的可用物理标识列表和所述其它固定接入网节点提供的可用物理标识列表的交集中选择一个物理小区标识；和/或，所述移动接入网节点还可以根据不同频点的可用物理小区标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表和所述其它固定接入网节点提供的可用物理标识列表中选择一个物理小区标识(具体可以参见上述的根据不同频点选择物理小区标识的具体选择方式)；另外，所述移动接入网节点还可以根据不同地理区域的可用物理小区标识列表，从所述固定接入网节点提供的可用物理标识列表和所述其它固定接入网节点提供的可用物理标识列表选择中一个物理小区标识(具体可以参见上述的根据不同地理区域选择物理小区标识的具体选择方式)。
在本发明实施例的可选实施方式中，移动接入网节点在所述可用物理小区标识列表中选择一个物理小区标识的过程中，选择与选择的物理小区标识对应的频点。
在本发明实施例的可选实施方式中，移动接入网节点将新的物理小区标识告知固定接入网节点，在本实施例中，移动接入网节点还可以将新的频率信息告知固定接入网节点。
通过本发明实施例提供的技术方案，可以实现在超密集网络中移动接入网节点的物理小区标识的自动配置和修改，避免因为物理小区标识的冲突带来的网络性能的严重下降。在移动接入网节点的运动过程中，可以提前判断可能发生物理小区标识的冲突，并通过物理小区标识的重配置避免了物理小区标识的冲突。本发明实施例提出的移动接入网节点的物理小区标识重配置方案减少物理小区标识的重配置次数和频率，减少了物理小区标识重配置对网络性能的影响。
下面通过具体实施例对本发明实施例提供的技术方案进行说明。
实施例一
本实施例对固定接入网节点提供可用物理小区标识列表的过程进行描述。
在本实施例中，固定接入网节点生成物理小区标识列表时，按照不同频点生成不同的可用物理小区标识列表。图4为本实施例中，固定接入网节点按照不同频点生成不同的物理小区标识列表的信令流程图，如图4所示，主要包括以下步骤：
步骤401，固定接入网节点根据物理小区标识的分配和使用情况，提供一个移动接入网节点的小区可用的物理小区标识列表(list)。例如，固定接入网节点可以根据自身所辖的小区的物理小区标识、自身覆盖区域内的其他小区的物理小区标识、周围小区的物理小区标识等信息中的一项或多项，从所有物理小区标识中选择一些未使用的物理小区标识组成可用物理小区标识列表(list)。
在本实施例中，固定接入网节点可以在某一个物理小区标识范围内选择未使用的物理小区标识组成可用物理小区标识列表(list)。其中，所述物理小区标识范围可以是预先配置的，或者是通过一定算法得到的，或者其它管理节点提供的，例如是OAM(Operation Administration and Maintenance)给出的。
在本实施例中，可用物理小区标识列表list可以按照不同的频点信息进行区分，例如，对于频点f1，对应的可用物理小区标识列表为list1，即移动基站的小区配置在频点f1，可以使用list1中的物理小区标识。对于频点f2，对应的可用物理小区标识列表为list2；进一步的，list1和list2中物理小区标识可以有重复的物理小区标识。
步骤402，固定接入网节点通过专用消息1发送可用物理小区标识列表信息到移动接入网节点。专用消息1可以是空口的消息，例如RRC配置消息等。
在本实施例中，移动接入网节点通过切换接入过程进行固定接入网节点的小区中，即固定接入网节点为移动接入网节点的切换过程的目标基站，固定接入网节点可以通过与移动接入网节点的源基站间的切换过程中的消息2发送可用物理小区标识列表信息到移动接入网节点的源基站，移动接入网节点的源基站再通过与移动接入网节点的空口消息发送可用物理小区标识列表信息到移动接入网节点。消息2可以是切换过程目标基站发送到源基站的任何消息，例如可以是切换准备确认消息，终端上下文释放消息等。
所述可用物理小区标识列表信息包含可用的物理小区标识，进一步的，还可以包含不同的频点对应的可用物理小区标识。
步骤403，固定接入网节点通过非专用信令发送可用物理小区标识列表信息到移动接入网节点，例如，通过广播的形式发送可用物理小区标识列表信息，移动接入网节点读取广播信息获取可用物理小区标识列表信息。
所述可用物理小区标识列表信息包含可用的物理小区标识，进一步的，还可以包含不同的频点对应的可用物理小区标识。
步骤404，移动接入网节点在获取的可用物理小区标识列表中进行物理小区标识选择过程。
实施例二
本实施例对固定接入网节点提供可用物理小区标识列表的过程进行描述。
在本实施例中，固定接入网节点按照不同覆盖区域生成不同的物理小区标识列表，图5是实施例二中固定接入网节点按照不同覆盖区域生成不同的物理小区标识列表的信令流程图，如图5所示，主要包括以下步骤：
步骤501，固定接入网节点根据物理小区标识的分配和使用情况，提供一个移动接入网节点的小区可用的物理小区标识列表list。例如，固定接入网节点可以根据自身所辖的小区的物理小区标识、自身覆盖区域内的其他小区的物理小区标识、周围小区的物理小区标识等信息中的一项或多项，从所有物理小区标识中选择一些未使用的物理小区标识组成可用物理小区标识列表list。
在本实施例中，固定接入网节点可以某一个物理小区标识范围内选择未使用的物理小区标识组成可用物理小区标识列表list。其中，所述物理小区标识范围可以是预先配置的，或者是通过一定算法得到的，或者其它管理节点给出的，例如是OAM(Operation Administration and Maintenance)给出的。
在本实施例中，固定接入网节点可以按照不同的覆盖区域给出物理小区标识列表，例如对应区域a，给出物理小区标识列表a，在区域a范围内，移动基站的小区可以使用列表a中的物理小区标识；对应区域b，给出物理小区标识列表b。物理小区标识列表a和物理小区标识列表b中的物理小区标识可以有重复。所述不同的覆盖区域是指对固定接入网节点的覆盖区域进行划分，分割成不同的覆盖区域。所述覆盖区域可用经纬度信息的方式来表示具体的地理区域，也可以用其它标识位置的标识方式，例如小区区域(cell id)，跟踪区域TA(track area)、路由区域(route area)等。
在本实施例中，固定接入网节点还可以根据移动接入网节点的历史信息来选择特定区域的物理小区标识列表，例如，移动接入网节点的历史信息中可含有移动接入网节点移动经过的历史区域，固定接入网节点根据自身覆盖区域内的历史区域来给出对应所述历史区域可用的物理小区标识列表。
步骤502，固定接入网节点通过专用消息1发送可用物理小区标识列表信息到移动接入网节点。其中，专用消息1可以是空口的消息，例如RRC配置消息等。
在本实施例中，移动接入网节点可以通过切换接入过程进行固定接入网节点的小区中，即固定接入网节点为移动接入网节点的切换过程的目标基站，固定接入网节点可以通过与移动接入网节点的源基站间的切换过程中的消息2发送可用物理小区标识列表信息到移动接入网节点的源基站，移动接入网节点的源基站再通过与移动接入网节点的空口消息发送可用物理小区标识列表信息到移动接入网节点。消息2可以是切换过程目标基站发送到源基站的任何消息，例如可以是切换准备确认消息、终端上下文释放消息等。
所述可用物理小区标识列表信息包含可用的物理小区标识，进一步的，还可以包含不同区域对应的可用物理小区标识。在本实施例中，还可以包含移动接入网节点的历史区域对应的可用物理小区标识。
步骤503，固定接入网节点通过非专用信令发送可用物理小区标识列表信息到移动接入网节点，例如通过广播的形式发送可用物理小区标识列表信息，移动接入网节点读取广播信息获取可用物理小区标识列表信息。
所述可用物理小区标识列表信息包含可用的物理小区标识，进一步的，还可以包含不同区域对应的可用物理小区标识。在本实施例中，还可以包含移动接入网节点的历史区域对应的可用物理小区标识。
步骤504，移动接入网节点在获取的可用物理小区标识列表中进行物理小区标识选择过程。
实施例三
本实施例对固定接入网节点提供可用物理小区标识列表的过程进行描述。
在本实施例，固定接入网节点按照不同频点及不同区域生成不同的物理小区标识列表，图6是本实施例中固定接入网节点按照不同频点和不同区域生成不同的物理小区标识列表的信令流程图，如图6所示，主要包括：
步骤601，固定接入网节点根据物理小区标识的分配和使用情况，提供一个移动接入网节点的小区可用的物理小区标识列表list。例如，固定接入网节点可以根据自身所辖的小区的物理小区标识、自身覆盖区域内的其他小区的物理小区标识、周围小区的物理小区标识等信息中的一项或多项，从所有物理小区标识中选择一些未使用的物理小区标识组成可用物理小区标识列表list。
进一步的，固定接入网节点可以某一个物理小区标识范围内选择未使用的物理小区标识组成可用物理小区标识列表list。其中，所述物理小区标识范围是预先配置的，或者是通过一定算法得到的，或者其它管理节点给出的，例如是OAM(Operation Administration and Maintenance)给出的。
进一步的，固定接入网节点可以按照不同频点和不同的覆盖区域的组合给出物理小区标识列表，例如对应频点f1和区域a，给出物理小区标识列表1a，即区域a内在频点f1，1a中物理小区标识移动接入网节点都是可以使用的；对应频点f2和区域b，给出物理小区标识列表2b。物理小区标识列表1a和物理小区标识列表2b中的物理小区标识可以有重复。所述不同的覆盖区域是指固定接入网节点的对覆盖区域进行划分，分割成不同的覆盖区域。所述不同的覆盖区域是指对固定接入网节点的覆盖区域进行划分，分割成不同的覆盖区域。所述覆盖区域可用经纬度信息的方式来表示具体的地理区域，也可以用其它标识位置的标识方式，例如小区区域(cell id)，跟踪区域TA(track area)、路由区域(route area)等。
可选，固定接入网节点还可以根据移动接入网节点的历史信息来选择特定区域的物理小区标识列表，例如，移动接入网节点的历史信息中可含有移动接入网节点移动经过的历史区域，固定接入网节点根据自身覆盖区域内的历史区域和不同的频点来给出对应所述历史区域可用的物理小区标识列表。
步骤602，固定接入网节点通过专用消息1发送可用物理小区标识列表信息到移动接入网节点。专用消息1可以是空口的消息，例如RRC配置消息等。
进一步的，移动接入网节点在通过切换接入过程进行固定接入网节点的小区中，即固定接入网节点为移动接入网节点的切换过程的目标基站，固定接入网节点可以通过与移动接入网节点的源基站间的切换过程中的消息2发送可用物理小区标识列表信息到移动接入网节点的源基站，移动接入网节点的源基站再通过与移动接入网节点的空口消息发送可用物理小区标识列表信息到移动接入网节点。其中，消息2可以是切换过程目标基站发送到源基站的任何消息，例如可以是切换准备确认消息，终端上下文释放消息等。
所述可用物理小区标识列表信息包含可用的物理小区标识，进一步的，还可以包含不同频点和不同区域对应的可用物理小区标识。在本实施例中，还可以包含移动接入网节点的不同频点和历史区域对应的可用物理小区标识。
步骤603，固定接入网节点通过非专用信令发送可用物理小区标识列表信息到移动接入网节点，例如通过广播的形式发送可用物理小区标识列表信息，移动接入网节点读取广播信息获取可用物理小区标识列表信息。
所述可用物理小区标识列表信息包含可用的物理小区标识，进一步的，还可以包含不同频点和不同区域对应的可用物理小区标识。在本实施例中，还可以包含移动接入网节点的不同频点和历史区域对应的可用物理小区标识。
步骤604，移动接入网节点在获取的可用物理小区标识列表中进行物理小区标识选择过程。
实施例四
本实施例中，以可用物理小区标识列表包含中周围固定接入网节点的可用物理小区标识为例进行说明。
图7是实施例四中包含周围固定接入网节点的可用物理小区标识列表的信令流程图，如图7所示，主要包括：
步骤701，按照根据实施例一、二和三所述，固定接入网节点生成本节点的可用物理小区标识列表，并且，固定接入网节点可以获取周围节点的可用物理小区标识列表；
固定接入网节点可以通过固定接入网节点间的接口消息获取周围所有节点的可用物理小区标识列表，例如x2消息，或其他类似接口消息。
在本实施例中，固定接入网节点可以根据移动基站的历史信息来选择周围的固定接入网节点。一种方式是，固定接入网节点根据所述移动接入网节点的历史信息中的小区信息对应到周围的固定基站，即选择历史信息中的小区所属的固定接入网节点，且所选择的固定接入网节点在本固定接入网节点周围，存在相邻的小区。
步骤702，固定接入网节点通过专用消息1发送可用物理小区标识列表信息到移动接入网节点。专用消息1可以是空口的消息，例如RRC配置消息等。
在本实施例中，移动接入网节点可以通过切换接入过程进行固定接入网节点的小区中，即固定接入网节点为移动接入网节点的切换过程的目标基站，固定接入网节点可以通过与移动接入网节点的源基站间的切换过程中的消息2发送可用物理小区标识列表信息到移动接入网节点的源基站，移动接入网节点的源基站再通过与移动接入网 节点的空口消息发送可用物理小区标识列表信息到移动接入网节点。消息2可以是切换过程目标基站发送到源基站的任何消息，例如可以是切换准备确认消息、终端上下文释放消息等。
所述可用物理小区标识列表信息包含本固定接入网节点提供的可用物理小区标识列表，进一步的，还可以包含周围固定接入网节点提供的可用物理小区标识列表。
步骤703，固定接入网节点通过非专用信令发送可用物理小区标识列表信息到移动接入网节点，例如，通过广播的形式发送可用物理小区标识列表信息，移动接入网节点读取广播信息获取可用物理小区标识列表信息。
所述可用物理小区标识列表信息包含本固定接入网节点提供的可用物理小区标识列表，进一步的，还可以包含本固定接入网节点周围的固定接入网节点提供的可用物理小区标识列表。
步骤704，移动接入网节点在获取的可用物理小区标识列表中进行物理小区标识选择过程。
实施例五
本实施例对移动接入网节点分配物理小区标识的过程进行描述。
在本实施例中，移动接入网节点在可用物理小区标识列表中选择新的物理小区标识，图8是实施例五中移动接入网节点在不同频点的可用物理小区标识列表中选择新的物理小区标识的信令流程图，如图8所示，主要包括：
步骤801，移动接入网节点获取固定接入网节点提供的可用物理小区标识列表。
步骤802，判断下辖小区cell1的物理小区标识是否在固定接入网节点提供的可用物理小区标识列表中，若是则不用修改物理小区标识；若下辖小区cell1的物理小区标识不在可用物理小区标识列表中，则执行步骤803，移动接入网节点对下辖的所有小区遍历进行同样操作。
步骤803，在可用物理小区标识列表中选择一个物理小区标识，作为新的物理小区标识。
移动接入网节点可以在可用物理小区标识列表中随机选择一个物理小区标识，或者采用其它算法从中选择一个物理小区标识，例如按序选择的方式等，作为新的物理小区标识。
在本实施例中，若可用物理小区标识列表是按照不同的频点分类的，那么移动接入网节点可以优先在与cell1同频率的可用物理小区标识列表中选择一个物理小区标识，作为新的物理小区标识，若在其中没有物理小区标识可选择，那么，移动接入网节点可以在其它频点对应的可用物理小区标识列表中选择一个物理小区标识。
在本实施例中，移动接入网节点还可以在不同频点对应的可用物理小区标识列表交集中选择一个物理小区标识。
若cell1的物理小区标识在非同频率对应的可用小区列表中，移动接入网节点可以只重新选择一个频率进行重配置，即cell1的物理小区标识在所述频率对应的可用小区列表中。
在本实施例中，移动接入网节点可以在选择物理小区标识过程，参考其它固定接入网节点的可用物理小区标识列表，例如，可以优先选择在多个固定接入网节点的可用物理小区标识列表的交集中的物理小区标识。移动接入网节点可以在移动到附近固定接入网节点的过程中减少下辖小区进行重配物理小区标识的次数或频率。
步骤804，移动接入网节点进行小区cell1的物理小区标识重配置，将新选择的物理小区标识配置为cell1的物理小区标识，若cell1的频率也需要重配置，则同时进行频率的重配置。
步骤805，移动接入网节点将新的物理小区标识告知固定接入网节点，在本实施例中，将新的频率告知固定接入网节点。此步骤为可选。
实施例六
本实施例对移动接入网节点分配物理小区标识的过程进行描述。
在本实施例中，移动接入网节点在不同区域的可用物理小区标识列表中选择新的物理小区标识，图9是实施例六中移动接入网节点在不同区域的可用物理小区标识列表中选择新的物理小区标识的信令流程图，如图9所示，主要包括：
步骤901，移动接入网节点接收到固定接入网节点提供的可用物理小区标识列表。
步骤902，判断下辖的小区cell1的物理小区标识是否在可用物理小区标识列表中，若是，则不用修改物理小区标识；若下辖的小区cell1的物理小区标识不在可用物理小区标识列表中，则执行步骤903，移动接入网节点对下辖的所有小区遍历进行同样操作。
步骤903，在可用物理小区标识列表中选择一个物理小区标识，作为新的物理小区标识。
移动接入网节点可以在可用物理小区标识列表中随机选择一个物理小区标识，或者采用其它算法从中选择一个物理小区标识，例如按序选择的方式等，作为新的物理小区标识。
进一步的，若可用物理小区标识列表是按照不同的区域分组的，移动接入网节点可以在不同区域的可用物理小区标识列表中按照不同算法选择一个物理小区标识。例如，可以优先在不同区域的可用物理小区标识列表的交集中选择一个物理小区标识。
进一步的，移动接入网节点可以根据其移动的速度、方向、未来可能的运动轨迹等信息中的一项或多项，来预测或确定未来将经过的若干地理区域，并优先在所述若干区域对应的可用物理小区标识列表中选择一个物理小区标识，进一步的，可以优先在所述若干区域对应的可用物理小区标识列表的交集中选择一个物理小区标识。
进一步的，移动接入网节点还可以在选择物理小区标识过程中，参考其它固定接入网节点的可用物理小区标识列表。移动接入网节点可以根据节点移动的速度、方向、未来的运动轨迹等信息中的一项或多项，来预测或确定未来将可能经过的固定接入网节点。移动接入网节点可以优先选择在未来将要经过的多个固定接入网节点的可用物理小区标识列表的交集中的物理小区标识。
进一步的，移动接入网节点可以根据节点移动的速度、方向、未来的运动轨迹等信息中的一项或多项，来预测或确定未来将可能经过的固定接入网节点下的不同地理区域。移动接入网节点可以在将要经过的固定接入网节点和其它固定接入网节点的不同区域所对应的可用物理小区标识列表中选择一个物理小区标识。进一步的，可以优先在所述若干区域对应的可用物理小区标识列表的交集中选择一个物理小区标识。
从而，移动接入网节点可以在移动到附近固定接入网节点的过程中减少下辖小区进行重配物理小区标识的次数或频率。
进一步的，若移动接入网节点获取的可用物理小区标识列表信息包含了移动接入网节点的历史区域对应的可用物理小区标识，则移动接入网节点可以结合现在的运动趋势和历史区域对应的可用物理小区标识来选择物理小区标识。
进一步的，在上述操作过程中，若可用物理小区标识列表还按照不同频率进行分组，则在所述若干区域对应的可用物理小区标识列表的交集中优先选择不同频率对应 的可用物理小区标识列表的交集中的可用物理小区标识，或者在所述若干区域对应的可用物理小区标识列表的交集中优先选择与cell1同频的可用物理小区标识列表中的可用物理小区标识。
步骤904，移动接入网节点进行小区cell1的物理小区标识重配置，将新选择的物理小区标识配置为cell1的物理小区标识，若cell1的频率也需要重配置，则同时进行频率的重配置。
步骤905，移动接入网节点将新的物理小区标识告知固定接入网节点，在本实施例中，将新的频率告知固定接入网节点。本步骤为可选。
实施例七
本实施例对移动接入网节点分配物理小区标识的过程进行描述。
在本实施例中，移动接入网节点在不同区域的可用物理小区标识列表中选择新的物理小区标识，参考移动接入网节点的历史信息。图10是实施例七中移动接入网节点根据历史信息在不同区域的可用物理小区标识列表中选择新的物理小区标识的信令流程图，如图10所示，主要包括：
步骤101，移动接入网节点接收到固定接入网节点提供的可用物理小区标识列表。
步骤102，判断下辖的小区cell1的物理小区标识是否在可用物理小区标识列表中，若是，则不用修改物理小区标识；若下辖的小区cell1的物理小区标识不在可用物理小区标识列表中，则执行步骤103，移动接入网节点对下辖的所有小区遍历进行同样操作。
步骤103，在可用物理小区标识列表中选择一个物理小区标识，作为新的物理小区标识。
移动接入网节点可以在可用物理小区标识列表中随机选择一个物理小区标识，或者采用其它算法从中选择一个物理小区标识，例如按序选择的方式等，作为新的物理小区标识。
进一步的，若可用物理小区标识列表是按照不同的区域分组的，移动接入网节点可以在不同区域的可用物理小区标识列表中按照不同算法选择一个物理小区标识。例如，可以优先在不同区域的可用物理小区标识列表的交集中选择一个物理小区标识。
进一步的，移动接入网节点可以根据历史信息，来预测或确定未来将经过的若干地理区域，并在所述的若干区域对应的可用物理小区标识列表的交集中选择一个物理小区标识。所述历史信息中包含移动接入网节点之前的运动轨迹，移动接入网节点可以跟据历史的运动轨迹来预测或确定未来将经过的若干地理区域，或者还可以参考现在的运动轨迹信息，例如运动速度、方向等信息，来预测或确定未来将经过的若干地理区域。移动接入网节点可以优先在所述若干区域对应的可用物理小区标识列表中选择一个物理小区标识，进一步的，可以优先在所述若干区域对应的可用物理小区标识列表的交集中选择一个物理小区标识。
进一步的，移动接入网节点可以在选择物理小区标识过程中，参考其它固定接入网节点提供的可用物理小区标识列表。移动接入网节点可以根据历史信息，来预测或确定未来将可能经过的固定接入网节点。移动接入网节点可以优先选择在未来将要经过的多个固定接入网节点的可用物理小区标识列表的交集中的物理小区标识。
进一步的，移动接入网节点可以根据历史信息，来预测或确定未来将可能经过的不同固定接入网节点下的不同地理区域。移动接入网节点可以在将要经过的本固定接入网节点和其它固定接入网节点的不同区域所对应的可用物理小区标识列表中选择一个物理小区标识。进一步的，可以优先在所述若干区域对应的可用物理小区标识列表的交集中选择一个物理小区标识。
移动接入网节点可以在移动到附近固定接入网节点的过程中减少下辖小区进行重配物理小区标识的次数或频率。
进一步的，在上述操作过程中，若可用物理小区标识列表还按照不同频率进行分组，那么在所述若干区域对应的可用物理小区标识列表的交集中优先选择不同频率对应的可用物理小区标识列表的交集中的可用物理小区标识，或者在所述若干区域对应的可用物理小区标识列表的交集中优先选择与cell1同频的可用物理小区标识列表中的可用物理小区标识。
步骤104，移动接入网节点进行小区cell1的物理小区标识重配置，将新选择的物理小区标识配置为cell1的物理小区标识，若cell1的频率也需要重配置，则同时进行频率的重配置。
步骤105，移动接入网节点将新的物理小区标识告知固定接入网节点，在本实施例中，将新的频率告知固定接入网节点。本步骤为可选。
通过本发明实施例提供的技术方案，可以实现在超密集网络中移动接入网节点的物理小区标识的自动配置和修改，避免因为物理小区标识的冲突带来的网络性能的严重下降。在移动接入网节点的运动过程中，可以提前判断可能发生物理小区标识的冲突，并通过物理小区标识的重配置避免了物理小区标识的冲突。本发明实施例提出的移动接入网节点的物理小区标识重配置方案减少物理小区标识的重配置次数和频率，减少了物理小区标识重配置对网络性能的影响。
显然，本领域的技术人员应该明白，上述的本发明的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，在本实施例中，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
基于本发明实施例提供的上述技术方案，通过移动接入网节点从固定接入网节点获取可用物理小区标识列表，根据该可用物理小区标识列表，为下辖小区分配物理小区标识，可以实现在超密集网络中移动接入网节点的物理小区标识的自动配置和修改，避免因为物理小区标识的冲突带来的网络性能的严重下降。减少物理小区标识的重配置次数和频率，减少了物理小区标识重配置对网络性能的影响。

Claims (24)

  1. 一种物理小区标识分配方法，包括：
    移动接入网节点获取固定接入网节点提供的可用物理小区标识列表；
    所述移动接入网节点将所述可用物理小区标识列表中的物理小区标识分配给所述移动接入网节点的下辖小区。
  2. 根据权利要求1所述的方法，其中，所述可用物理小区标识列表中包括所述固定接入网节点提供给移动无线接入网节点下辖小区使用的物理小区标识。
  3. 根据权利要求2所述的方法，其中，所述述可用物理小区标识列表中还包括：所述固定接入网节点邻近的固定接入网节点提供的可用物理小区标识列表。
  4. 根据权利要求1所述的方法，其中，在移动接入网节点从固定接入网节点获取可用小区特征地址列表之前，所述方法还包括：
    所述固定接入网节点向所述移动接入网节点提供所述可用物理小区标识列表。
  5. 根据权利要求4所述的方法，其中，所述固定接入网节点向所述移动接入网节点提供所述可用物理小区标识列表，包括以下之一：
    所述固定接入网节点按照不同的频点信息分别向所述移动接入网节点提供所述可用物理小区标识列表；
    所述固定接入网节点按照不同的地理区域分别向所述移动接入网节点提供所述可用物理小区标识列表；
    所述固定接入网节点参考所述移动接入网节点的历史信息向所述移动接入网节点提供所述可用物理小区标识列表。
  6. 根据权利要求1所述的方法，其中，所述移动接入网节点获取固定接入网节点提供的可用物理小区标识列表，包括以下之一：
    所述移动接入网节点通过专用信令，获取所述固定接入网节点提供的可用物理小区标识列表；
    所述移动接入网节点通过非专用信令，获取所述固定接入网节点提供的可用物理小区标识列表。
  7. 根据权利要求6所述的方法，其中，所述专用信令包括：切换过程或除切换过程以外的其它过程中的专用信令；所述非专用信令包括：广播消息，或者除广播以外的其它过程中的非专用信令。
  8. 根据权利要求1所述的方法，其中，所述移动接入网节点将所述可用物理小区标识列表中的物理小区标识分配给所述移动接入网节点下辖小区，包括：
    所述移动接入网节点将所述下辖小区使用的物理小区标识和获取的所述可用物理小区标识列表的各个物理小区标识进行比较，在所述下辖小区使用的物理小区标识在可用物理小区标识列表中情况下，保持所述下辖小区使用的物理小区标识；在所述下辖小区使用的物理小区标识不在可用物理小区标识列表中情况下，在所述可用物理小区标识列表中选择一个物理小区标识作为所述下辖小区使用的物理小区标识。
  9. 根据权利要求8所述的方法，其中，在所述可用物理小区标识列表中选择一个物理小区标识，包括以下至少之一：
    所述移动接入网节点在所述固定接入网节点提供的可用物理小区标识列表中随机或按照顺序选择一个物理小区标识；
    所述移动接入网节点根据所述固定接入网节点提供的不同频点的可用物理小区标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识；
    所述移动接入网节点根据所述固定接入网节点提供的不同地理区域的可用物理小区标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识；
    所述移动接入网节点根据所述固定接入网节点提供的所述可用物理小区标识列表，参考除所述固定接入网节点以外的其它固定接入网节点提供的可用物理标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识。
  10. 根据权利要求9所述的方法，其中，所述移动接入网节点所述固定接入网节点提供的根据不同频点的可用物理小区标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识包括以下至少之一：
    所述移动接入网节点优先在所述固定接入网节点提供的与所述下辖小区同频率的可用物理小区标识列表中选择一个物理小区标识；
    所述移动接入网节点优先在所述固定接入网节点提供的不同频点对应的可用物理小区标识列表的交集中选择一个物理小区标识；
    在所述移动接入网节点的下辖小区当前的物理小区标识在所述固定接入网节点提供的与所述下辖小区非同频率对应的可用物理小区标识列表中的情况下，所述移动接入网节点选择一个频率对所述下辖小区进行重配置，其中，所述移动接入网节点的下辖小区的物理小区标识在选择的所述频率对应的可用小区列表中。
  11. 根据权利要求9所述的方法，其中，所述移动接入网节点根据所述固定接入网节点提供的不同地理区域的可用物理小区标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识，包括以下至少之一：
    所述移动接入网节点优先在所述固定接入网节点提供的不同地理区域的可用物理小区标识列表的交集中选择一个物理小区标识；
    所述移动接入网节点参考所述移动接入网节点的移动趋势，确定未来可能经过的一个或多个地理区域，并优先在所述固定接入网节点提供的所述一个或多个地理区域对应的可用物理小区标识列表中选择一个物理小区标识；
    所述移动接入网节点参考所述移动接入网节点的历史信息，确定未来可能经过的一个或多个地理区域，并优先在所述固定接入网节点提供的所述一个或多个地理区域对应的可用物理小区标识列表中选择一个物理小区标识。
  12. 根据权利要求11所述的方法，其中，所述移动接入网节点优先在所述固定接入网节点提供的所述一个或多个地理区域对应的可用物理小区标识列表中选择一个物理小区标识包括：
    所述移动接入网节点优先从所述固定接入网节点提供的所述一个或多个地理区域对应的可用物理小区标识列表的交集中选择一个物理小区标识。
  13. 根据权利要求9所述的方法，其中，参考除所述固定接入网节点以外的其它固定接入网节点提供的可用物理标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识，包括以下至少之一：
    所述移动接入网节点优先从所述固定接入网节点提供的可用物理标识列表和所述其它固定接入网节点提供的可用物理标识列表的交集中选择一个物理小区标识；
    所述移动接入网节点根据不同频点的可用物理小区标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表和所述其它固定接入网节点提供的可用物理标识列表中选择一个物理小区标识；
    所述移动接入网节点根据不同地理区域的可用物理小区标识列表，从所述固定接入网节点提供的可用物理标识列表和所述其它固定接入网节点提供的可用物理标识列表选择中一个物理小区标识。
  14. 根据权利要求8至13中任一项所述的方法，其中，在所述移动接入网节点在从所述可用物理小区标识列表中选择一个物理小区标识之后，所述方法还包括：所述移动接入网节点将选择的所述物理小区标识通知给所述固定接入网节点。
  15. 根据权利要求14所述的方法，其中，所述移动接入网节点在从所述可用物理小区标识列表中选择一个物理小区标识的过程中，选择与选择的所述物理小区标识对应的频点。
  16. 根据权利要求15所述的方法，其中，在所述移动接入网节点将选择的所述物理小区标识通知给所述固定接入网节点时，所述移动接入网节点还将选择的所述频点的频率信息通知给所述固定接入网节点。
  17. 一种物理小区标识分配装置，包括：
    获取模块，设置为获取固定接入网节点提供的可用物理小区标识列表；
    分配模块，设置为将所述可用物理小区标识列表中的物理小区标识分配给移动接入网节点的下辖小区。
  18. 根据权利要求17所述的装置，其中，所述获取模块通过专用信令或非专用信令获取所述可用物理小区标识列表。
  19. 根据权利要求17所述的装置，其中，所述分配模块包括：
    比较模块，设置为将所述下辖小区使用的物理小区标识和获取的所述可用物理小区标识列表的各个物理小区标识进行比较；
    执行模块，设置为在所述下辖小区使用的物理小区标识在可用物理小区标识列表中情况下，保持所述下辖小区使用的物理小区标识；
    选择模块，设置为在所述下辖小区使用的物理小区标识不在可用物理小区标识列表中情况下，在所述可用物理小区标识列表中选择一个物理小区标识作为所述下辖小区使用的物理小区标识。
  20. 根据权利要求19所述的装置，其中，所述选择模块按照以下之一的方式在所述可用物理小区标识列表中选择一个物理小区标识：
    在所述可用物理小区标识列表中随机或按照顺序选择一个物理小区标识；
    根据所述固定接入网节点提供的不同频点的可用物理小区标识列表，从所述可用物理小区标识列表中选择一个物理小区标识；
    根据所述固定接入网节点提供的不同地理区域的可用物理小区标识列表，参考所述移动接入网节点的移动趋势，从所述可用物理小区标识列表中选择一个物理小区标识；
    根据所述固定接入网节点提供的所述可用物理小区标识列表，参考除所述固定接入网节点以外的其它固定接入网节点提供的可用物理标识列表，从所述固定接入网节点提供的所述可用物理小区标识列表中选择一个物理小区标识。
  21. 根据权利要求19或21所述的装置，其中，所述选择模块还设置为选择与选择的所述物理小区标识对应的频点。
  22. 根据权利要求21所述的装置，其中，所述装置还包括：通知模块，设置为将所述选择模块选择的信息通知给所述固定接入网节点。
  23. 一种物理小区标识分配系统，包括：固定接入网节点和移动接入网节点，其中，
    所述固定接入网节点设置为向所述移动接入网节点提供可用物理小区标识列表；
    所述移动接入网节点，包括权利要求17至22中任一项所述装置，设置为根据所述可用物理小区标识列表，为所述移动接入网节点下辖小区分配物理小区标识。
  24. 根据权利要求23所述的系统，其中，所述固定接入网节点通过以下之一的方式向所述移动接入网节点提供所述可用物理小区标识列表：
    按照不同的频点向所述移动接入网节点提供所述可用物理小区标识列表；
    按照不同的地理区域向所述移动接入网节点提供所述可用物理小区标识列表；
    参考所述移动接入网节点的历史信息向所述移动接入网节点提供所述可用物理小区标识列表。
PCT/CN2015/075156 2014-09-28 2015-03-26 物理小区标识分配方法、装置及系统 WO2016045337A1 (zh)

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