WO2017091935A1 - 一种接入控制方法，接入设备及移动终端 - Google Patents

一种接入控制方法，接入设备及移动终端 Download PDF

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Publication number
WO2017091935A1
WO2017091935A1 PCT/CN2015/095941 CN2015095941W WO2017091935A1 WO 2017091935 A1 WO2017091935 A1 WO 2017091935A1 CN 2015095941 W CN2015095941 W CN 2015095941W WO 2017091935 A1 WO2017091935 A1 WO 2017091935A1
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WO
WIPO (PCT)
Prior art keywords
cell
sib
cell group
identifier
mobile terminal
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PCT/CN2015/095941
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English (en)
French (fr)
Inventor
郑潇潇
庞伶俐
徐小英
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华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2015/095941 priority Critical patent/WO2017091935A1/zh
Priority to CN201580081566.4A priority patent/CN107852671B/zh
Publication of WO2017091935A1 publication Critical patent/WO2017091935A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to an access control method, an access device, and a mobile terminal.
  • a small station is a type of base station. According to parameters such as the coverage of a base station, it is called a small station, a small station, etc. with respect to a base station having a large coverage.
  • the UE measures, acquires the synchronization channel Primary Synchronization Signal (PSS)/Secondary Synchronization Signal (SSS), synchronizes and identifies the cell, and reads the Master Information Block (MIB)/Supplementary Information. (SI), storing and entering a discontinuous reception (DRX), the UE accepts paging or initiates access according to the acquired MIB/SIB information;
  • PSS Primary Synchronization Signal
  • SSS Secondary Synchronization Signal
  • MIB Master Information Block
  • SI Master Information Block
  • DRX discontinuous reception
  • SIB System Information Block
  • the embodiment of the invention provides an access control method, an access device and a mobile terminal, which are used to reduce the overhead of downlink control information.
  • An embodiment of the present invention provides an access control method, including:
  • the cell group includes a first cell and a second cell, where the first cell is a cell that broadcasts a complete system broadcast message; and the second cell is a cell in the cell group except the first cell Other cells outside;
  • first and second are used to distinguish between two types of cells, and do not represent other technical meanings.
  • the number of the first cell and the second cell may also be more or less, depending on factors such as the number of cells in the cell group. It should not be understood that both the first cell and the second cell must have a fixed number of cells.
  • the cells in the cell group may be the most edged cells adjacent to the cells of other cell groups, and there may be more cells adjacent to cells in other cell groups, and the first cell may be other cells than the cell group. Group adjacent cells.
  • the foregoing access parameter is a related parameter used by the mobile terminal to perform cell access
  • the resident parameter is a related parameter required for the mobile terminal to camp on the cell
  • the selection of the specific parameter may be different according to different networks and cells, and the implementation may be different.
  • the example does not uniquely define specific parameters.
  • the access parameters and the resident parameters included in the SIB include:
  • the cell group is divided, and the cells in the cell group are divided, and information synchronization is required after the SIB changes.
  • the embodiment of the present invention provides the following Solution: The method further includes:
  • the BCH-RNTI is temporarily identified by the broadcast channel radio network to update the changed SIB information and the version number in the first cell and the second cell.
  • An embodiment of the present invention provides an access control method, including:
  • the mobile terminal receives the identity of the cell group
  • the mobile terminal determines whether the identifier of the cell group is the same as the identifier of the previously received cell group, and determines whether the version number of the system information block SIB corresponding to the identifier of the cell group changes;
  • the mobile terminal may have received the system information block SIB corresponding to the identity of the cell group, and camped on or accesses the cell in the cell group according to the SIB.
  • the identifier of the receiving cell group and the triggering of the corresponding SIB may be triggered by the mobile terminal, for example, the mobile terminal starts up and has no valid SIB available for use.
  • the mobile terminal can be located in any cell; in addition, there is a case in which the mobile terminal moves across the cell group, and in this case, when the mobile terminal moves to the first cell, And receiving the identifier of the new cell group, and receiving the complete SIB corresponding to the identifier of the cell group.
  • the method further includes: sending an SIB request to the access device. Message.
  • the access parameters and the resident parameters included in the SIB include:
  • the identifier of the receiving cell group includes:
  • the identifier of the cell group broadcasted in the primary information block MIB is received, or the identity of the cell group is received by the pilot signal.
  • the method before the sending, by the terminal, the SIB request message to the access device, the method further includes:
  • the mobile terminal detects whether a complete SIB is stored, and if not, performs the sending an SIB request message to the access device after the access.
  • An embodiment of the present invention provides an access device, including:
  • An information acquiring unit configured to acquire a cell group, where the cell group includes a first cell and a second cell, where the first cell is a cell that broadcasts a complete system broadcast message; and the second cell is a cell group Other cells outside the first cell;
  • An information sending unit configured to broadcast a system information block SIB to the first cell, and broadcast, to the second cell, an access parameter and a camping parameter included in the SIB, to broadcast to the first cell and the second cell The identity of the cell group.
  • the access parameters and the resident parameters included in the SIB include:
  • the access device further includes:
  • a version determining unit configured to determine a version number of the SIB after the SIB changes
  • the information sending unit is further configured to send a paging message to the mobile terminal in the first cell and the second cell for SIB update, and the version number;
  • the BCH-RNTI is temporarily identified by the broadcast channel radio network to update the changed SIB information and the version number in the first cell and the second cell.
  • the fourth embodiment of the present invention provides a mobile terminal, including:
  • An information receiving unit configured to receive an identifier of a cell group
  • the information determining unit is configured to determine whether the identifier of the cell group is the same as the identifier of the previously received cell group, and determine whether the version number of the system information block SIB corresponding to the identifier of the cell group changes;
  • the information receiving unit is further configured to: if the information determining unit determines that the information is different, receive an SIB corresponding to the identifier of the cell group, and camp or access the cell in the cell group according to the SIB; The information determining unit determines that a change occurs, and receives an access parameter and a resident parameter included in the SIB corresponding to the identifier of the cell group.
  • the mobile terminal further includes:
  • a request sending unit configured to send an SIB request message to the access device before the information receiving unit receives the identifier of the cell group.
  • the access parameters and the resident parameters included in the SIB include:
  • the information receiving unit is configured to receive an identifier of a cell group broadcasted in the main information block MIB, or receive an identifier of the cell group by using a pilot signal.
  • the mobile terminal further includes: a detecting unit, configured to: before the request sending unit sends an SIB request message to the access device, the mobile terminal detects whether a complete SIB is stored;
  • the request sending unit is configured to send an SIB request message to the access device, as the detection unit detects that the result is not.
  • the embodiment of the present invention has the following advantages: the access device broadcasts downlink control information to the cell, does not need to broadcast a complete SIB to all cells, and can reduce the amount of broadcast data, thereby reducing access devices.
  • FIG. 1 is a schematic structural diagram of a system according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of a method according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a method according to an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of a method according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of distribution of a cell group according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of an access device according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of an access device according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of an access device according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 14 is a schematic structural diagram of an access device according to an embodiment of the present invention.
  • a cell may be a cell in a general sense, and may also be a small cell, a micro cell (a cell), a pico cell, an intelligent cell, etc., and the embodiment of the present invention is not limited to a specific form of a cell.
  • the illustration of a small cell should not be construed as a unique definition of the representation of the cell.
  • the main problem of the small cell supporting the UE camping is that the downlink broadcast overhead is large, and the mobile UE continuously reselects or changes the cell, and the system information block (SIB) is re-acquired to consume power.
  • SIB system information block
  • SIB In the case of R10, there are 19 SIBs. Used to contain system information, there are a total of 19 types of SIBs.
  • the scheduling information of the SIB is carried by the MIB or a scheduling block (SB). Examples are as follows:
  • SIB1 includes system information of the non-access stratum (NAS) layer and UE timer/counter;
  • SIB2 information including a User Registration Area (URA);
  • UUA User Registration Area
  • SIB3 includes parameters for cell selection and reselection
  • SIB5 includes parameters for configuring a common physical channel of the cell
  • SIB7 contains information such as uplink interference and dynamic persistence level
  • SIB11 Contains measurement control information.
  • the system message is transmitted on the Broadcast Control Channel (BCCH), then mapped to the BCH or Forward Access Channel (FACH), and always matches the BCCH or FACH transport block size, if needed, Radio Resource Control (RRC) is responsible for inserting padding bits.
  • BCCH Broadcast Control Channel
  • FACH Forward Access Channel
  • RRC Radio Resource Control
  • SIB18 PLMN identity of the neighboring cell in idle and connected mode.
  • SIB19 contains the frequency and priority between different system cells.
  • the full SIB has a large amount of information, and not all mobile terminals need a complete SIB at any time.
  • FIG. 1 it is a network system architecture diagram, where the network side includes a base station, a base station controller, and the like. It belongs to the network side control node.
  • the circular area below the base station is indicated as a cell, and each circular coverage area corresponds to a small cell.
  • Two cell groups are illustrated in FIG. 1, each cell group can be divided into two types of cells, and one type is located at the edge of the cell group. The area is adjacent to the cells in other cell groups, and the other type of cells are located in the central area of the cell group, and are not adjacent to the cells in other cell groups.
  • the cell group can be set according to network management and algorithm, for example, by a network-side control node such as a base station or a network management system, and the basis for the division may include: a cell coverage area, a number of users, and the like.
  • the cell group should be adjacent in the geographical area. Based on the number of users in the geographic area, the more the number of users, the smaller the coverage of the cell group should be to reduce the management load of the single cell group.
  • the specific embodiment of the present invention is not limited to the specific embodiment of the present invention.
  • a mobile terminal is illustrated in the cell group on the left, and the mobile terminal can move between cells and can also move to a cell in the cell group on the right.
  • an embodiment of the present invention provides an access control method, as shown in FIG. 2 , which is applied to an access device, for example, as shown in FIG. 1 and FIG. 4 , for example:
  • An access device for example, as shown in FIG. 1 and FIG. 4 , for example:
  • Base stations, network management devices, etc. specifically include:
  • 201 Acquire a cell group, where the cell group includes a first cell and a second cell, where the first cell is a cell that broadcasts a complete system broadcast message, and the second cell is a cell other than the first cell in the cell group.
  • first and “second” are used to distinguish between two types of cells, and do not represent other technical meanings.
  • the number of the first cell and the second cell may also be more or less, depending on factors such as the number of cells in the cell group. It should not be understood that both the first cell and the second cell must have a fixed number of cells.
  • the cells in the cell group may be the most edged cells adjacent to the cells of other cell groups, and there may be more cells adjacent to cells in other cell groups, such as overlapping cases (this case is in dividing the cell group) Can be avoided as much as possible).
  • the first cell may be a cell adjacent to other cell groups than the cell group.
  • the foregoing access parameters are related parameters used by the mobile terminal for cell access, and the resident parameters are related parameters required for the mobile terminal to camp on the cell, and the specific parameters are selected according to different networks and cells. Differently, this embodiment does not uniquely define specific parameters.
  • the access device broadcasts the downlink control information to the cell, and does not need to broadcast the complete SIB to all the cells, and can reduce the amount of broadcast data. Therefore, the access device can reduce the overhead of broadcasting the downlink control information.
  • the access parameters and the resident parameters included in the foregoing SIB include:
  • the Physical Hybrid-ARQ Indicator Channel (PHICH), the System Frame Number (SFN), and the camping threshold included in the primary information block MIB of the SIB.
  • the camping threshold is a threshold of signal strength, and is used to specify that the signal strength of the mobile terminal in the cell should be higher than the camping threshold. If the camping threshold is lower than the camping threshold, the camping threshold should not reside in the cell.
  • the cell group is divided, and the cells in the cell group are divided. After the SIB is changed, information synchronization is required.
  • the embodiment of the present invention provides the following solutions: The foregoing method further includes:
  • the changed SIB information and the version number are updated in the first cell and the second cell by the Broadcast Channel Radio Network Temporary Identity (BCH-RNTI).
  • BCH-RNTI Broadcast Channel Radio Network Temporary Identity
  • the version number is determined to distinguish whether the SIB changes. For example, after receiving the SIB, the mobile terminal can determine whether the version number of the SIB is consistent with the version number of the SIB received by the SIB. If it is consistent, it can be determined that the SIB does not occur. Change, do not need to update the relevant information; if they are inconsistent, then you can determine that the SIB has changed and need to update the relevant information.
  • the embodiment of the present invention further provides another access control method.
  • FIG. 3 reference may be made to FIG. 1 and FIG. 4, including:
  • the mobile terminal receives the identifier of the cell group.
  • the mobile terminal may have received the system information block SIB corresponding to the identity of the cell group, and camped on or accesses the cell in the cell group according to the SIB.
  • the first cell and the second cell are included in the cell group, where the first cell is a cell that broadcasts a complete system broadcast message, and the second cell is a cell other than the first cell in the cell group.
  • the first cell may be a cell adjacent to other cell groups than the cell group.
  • first and “second” are used to distinguish between two types of cells, and do not represent other technical meanings.
  • the number of the first cell and the second cell may also be more or less, depending on factors such as the number of cells in the cell group. It should not be understood that both the first cell and the second cell must have a fixed number of cells.
  • the cells in the cell group may be the most edged cells adjacent to the cells of other cell groups, and there may be more cells adjacent to cells in other cell groups, such as overlapping cases (this case is in dividing the cell group) Can be avoided as much as possible).
  • the mobile terminal is theoretically unaware of whether it is currently in the first cell or the second cell, and it only needs to know whether the motion of the cross-cell group is currently occurring, that is, whether the cell group's identity changes according to whether the cell group moves to another. Community group.
  • the UE may initiate a random access request. Complete SIB information.
  • the mobile terminal may not stay in one cell, move to another cell, and receive broadcast information of the access device in the staying cell. Although the mobile terminal may not know whether it is in the first cell or the second cell, this does not indicate that it does not have the ability to know. From the above received broadcast information, since there is a significant difference, the mobile terminal can determine whether it is in the first cell or the second cell.
  • the mobile terminal moves within the cell group, and the complete SIB does not have to be re-acquired during the cell reselection process, and the access device does not need to broadcast the complete SIB, so the power consumption of the mobile terminal can be reduced.
  • the overhead of broadcasting downlink control information by the access device can be reduced.
  • the mobile terminal may be located in any cell; in addition, there is a case where the mobile terminal moves due to the cross-cell group, and in this case, the mobile terminal receives new when moving to the first cell.
  • the identity of the cell group also receives the complete SIB corresponding to the identity of the cell group, as follows:
  • the method further includes: sending an SIB request message to the access device.
  • the method further includes: before the sending the SIB request message to the access device, the foregoing method further includes:
  • the mobile terminal detects whether a complete SIB is stored, and if not, performs the foregoing sending an SIB request message to the access device after the access.
  • the identity of the cell group and the SIB may be received at the same time in the actual reception, or even the SIB is received first; the timing here is only to determine whether the cross-cell group has occurred, if the cross-cell group is It is necessary to obtain a corresponding SIB implementation process such as camping and access, so the above reception can be understood as an information acquisition process after determining the required information.
  • the access parameters and the resident parameters included in the foregoing SIB include:
  • the embodiment further provides a method for transmitting the identifier of the cell group, which is specifically as follows:
  • the identifier of the receiving cell group includes:
  • the identifier of the cell group broadcasted in the primary information block MIB is received, or the identity of the cell group is received by the pilot signal.
  • the delivery of the identifier of the cell group in other manners does not cause the solution of the embodiment of the present invention to be unrealized, and only needs to ensure the timeliness. Therefore, the embodiment of the present invention does not uniquely implement the specific delivery mode. limited.
  • a cell group is set according to network management and an algorithm (in FIG. 5, there are four cell groups: cluster1 to cluster4.
  • cluster also It may be referred to as a cluster of cells or a cluster of cells.
  • SIB System Information Block
  • a cell located at a boundary of different clusters that is, a cell with a padding in FIG. 5, needs to broadcast a complete SIB; a cell in the central area, that is, a cell that is not filled in the picture, only needs to broadcast access related parameters and resident related parameters, optionally including : The downlink bandwidth in the MIB, the Physical Hybrid-ARQ Indicator Channel (PHICH) configuration, the System Frame Number (SFN), and the dwell threshold (signal strength).
  • PHICH Physical Hybrid-ARQ Indicator Channel
  • SFN System Frame Number
  • An example MIB can contain content in three parts:
  • the PHICH configuration information is used by the UE to receive the PHICH channel and the PDCCH channel;
  • the SystemFrameNumber system frame number is used for UE acquisition timing.
  • PHICH-Config:: SEQUENCE ⁇ //PHICH configuration sequence
  • This part is a specific PHICH channel configuration for the UE to find and receive the corresponding PHICH channel.
  • the cell ID of the part is used by the UE to identify the access cell; the cell access indication is used to notify the UE whether the cell supports reselection access.
  • the network side control node broadcasts the complete SIB in the cell at the cluster boundary, and the other cells only broadcast the necessary content for access and camping, including: Packet Randem Access Channel (PRACH) channel, cell group Identify clusterID, etc.; this saves network resources.
  • PRACH Packet Randem Access Channel
  • the mobile UE (the UE that moves from other clusters) can obtain the complete SIB when it first enters, that is, when it moves to the cell at the cluster boundary, the complete SIB is obtained.
  • the UE can store the complete SIB. If it moves within the cluster, it does not need to reacquire the SIB, and only needs to obtain the resident and access necessary information such as the central area MIB.
  • the user who is still powered on may only need to obtain the content necessary for camping and access. If the UE subsequently initiates access, the complete information may be obtained through a dedicated message.
  • a statically-on user can send a complete SIB information to the network through the RRC connection request, and then save the use in the cluster.
  • the complete SIB and the MIB can be obtained.
  • the network side control node of the cluster border cell can send paging and system message changes in a legacy manner.
  • the cell network side control node of the cluster center can trigger the update SIB through paging.
  • the UE may perform the scheduling (specifically, it is scheduled by the Broadcast Channel Radio Network Temporary Identity (BCH-RNTI)), and the UE simultaneously updates the value tag.
  • BCH-RNTI Broadcast Channel Radio Network Temporary Identity
  • the Value tag is the version label of the system broadcast information. Because the network needs to update the system broadcast message in some cases, the different versions are numbered, so that the UE knows that the system information is updated, and the UE can also know whether the storage is up to date. Version, if not required to reacquire.
  • the value tag is essentially the same as the SIB version number and is used to determine if the SIB has changed.
  • the UE After the UE acquires the SIB in one cell, if cell reselection occurs, if the cell is reselected, The cell that resides or accesses is in the same cluster, so there is no need to re-read the SIB, where the value tag or timer is changed per per cluster; the UE can determine whether it needs to re-read the MIB according to the cluster ID. /SIB; The cluster ID can be obtained in the broadcast MIB or through the pilot signal.
  • the pilot signal is an access device continuously transmitting an unmodulated direct sequence spread spectrum signal, which enables the mobile terminal to obtain a forward code division multiple access channel time limit, provide an associated demodulation phase reference, and provide signal strength for each access device. In comparison, the mobile terminal can determine when to switch.
  • An embodiment of the present invention further provides an access device, as shown in FIG. 6, including:
  • the information acquiring unit 601 is configured to acquire a cell group, where the cell group includes a first cell and a second cell, where the first cell is a cell that broadcasts a complete system broadcast message, and the second cell is a cell in the cell group except the first Other cells outside the cell;
  • the information sending unit 602 is configured to broadcast the system information block SIB to the first cell, broadcast the access parameter and the resident parameter included in the SIB to the second cell, and broadcast the foregoing cell group to the first cell and the second cell. logo.
  • the access parameters and the resident parameters included in the foregoing SIB include:
  • the foregoing access device further includes:
  • a version determining unit 701 configured to determine a version number of the SIB after the SIB changes
  • the information sending unit 602 is further configured to send a paging message to the mobile terminal in the first cell and the second cell to perform SIB update, and the version number;
  • the BCH-RNTI is temporarily identified by the broadcast channel radio network to update the changed SIB information and the version number in the first cell and the second cell.
  • the embodiment of the invention further provides a mobile terminal, as shown in FIG. 8, comprising:
  • the information receiving unit 801 is configured to receive an identifier of the cell group.
  • the information determining unit 802 is configured to determine whether the identifier of the cell group is the same as the identifier of the previously received cell group, and determine whether the version number of the system information block SIB corresponding to the identifier of the cell group changes.
  • the information receiving unit 801 is further configured to: if the information determining unit 802 determines that the information is different, receive an SIB corresponding to the identifier of the cell group, and camp or access the cell in the cell group according to the SIB; if the information is determined The unit 802 determines that a change has occurred, and receives an access parameter and a resident parameter included in the SIB corresponding to the identifier of the foregoing cell group.
  • the foregoing mobile terminal further includes:
  • the request sending unit 901 is configured to send an SIB request message to the access device before the information receiving unit 801 receives the identifier of the cell group.
  • the embodiment of the present invention may further be as follows: as shown in FIG. 10, the mobile terminal further includes:
  • the detecting unit 1001 is configured to: before the request sending unit sends an SIB request message to the access device, the mobile terminal detects whether a complete SIB is stored;
  • the request sending unit is configured to send an SIB request message to the access device, as the detection result of the detecting unit is not.
  • the access parameters and the resident parameters included in the foregoing SIB include:
  • the information receiving unit 801 is configured to receive an identifier of a cell group broadcasted in the main information block MIB, or receive an identifier of the cell group by using a pilot signal.
  • the embodiment of the present invention further provides another access device, as shown in FIG. 11, comprising: a receiver 1101, a transmitter 1102, a processor 1103, and a memory 1104; wherein the processor 1103 is configured to receive the identifier at the identifier receiver 1101.
  • the data and the associated operations in the process of controlling the data transmitted by the transmitter 1102, the memory 1104 can be used to provide the storage space required by the processor 1103 during the operation, and can also be used for the storage of the data received by the receiver 1101. And a store in which the transmitter 1102 is to transmit data;
  • the processor 1103 is configured to acquire a cell group, where the cell group includes a first cell and a second cell, where the first cell is a cell that broadcasts a complete system broadcast message, and the second cell is in the cell group. Other cells outside the first cell;
  • the transmitter 1102 is configured to broadcast the system information block SIB to the first cell, to the second The cell broadcasts the access parameter and the camping parameter included in the SIB, and broadcasts the identifier of the cell group to the first cell and the second cell.
  • the access parameters and the resident parameters included in the foregoing SIB include:
  • the processor 1103 is further configured to determine a version number of the SIB after the SIB changes.
  • the transmitter 1102 is further configured to send a paging message to the mobile terminal in the first cell and the second cell for SIB update, and the version number;
  • the BCH-RNTI is temporarily identified by the broadcast channel radio network to update the changed SIB information and the version number in the first cell and the second cell.
  • the embodiment of the present invention further provides another mobile terminal, as shown in FIG. 12, including: a receiver 1201, a transmitter 1202, a processor 1203, and a memory 1204.
  • the processor 1203 is configured to identify the receiver 1201.
  • the data and associated operations in controlling the data transmitted by the transmitter 1202, the memory 1204 can be used to provide the storage space required by the processor 1203 during the operation, and can also be used for the storage of data received by the receiver 1201, and
  • the transmitter 1202 is to store the data to be sent;
  • the receiver 1201 is configured to receive an identifier of a cell group.
  • the processor 1203 is configured to determine whether the identifier of the cell group is the same as the identifier of the previously received cell group, and determine whether the version number of the system information block SIB corresponding to the identifier of the cell group changes.
  • the receiver 1201 is configured to: if not different, receive an SIB corresponding to the identifier of the cell group, camp or access the cell in the cell group according to the SIB; if the change occurs, receive the identifier of the cell group.
  • the access parameters and resident parameters contained in the corresponding SIB are configured to: if not different, receive an SIB corresponding to the identifier of the cell group, camp or access the cell in the cell group according to the SIB; if the change occurs, receive the identifier of the cell group.
  • the transmitter 1202 is further configured to send an SIB request message to the access device before the mobile terminal receives the identifier of the cell group.
  • the embodiment of the present invention may also be as follows:
  • the transmitter 1202 is configured to send, by the request sending unit, an SIB request to the access device. Before the information, it is detected whether a complete SIB is stored; if not, an SIB request message is sent to the access device.
  • the access parameters and the resident parameters included in the foregoing SIB include:
  • the receiver 1201 is specifically configured to receive an identifier of a cell group broadcasted in the main information block MIB, or receive an identifier of the cell group by using a pilot signal.
  • the embodiment of the present invention further provides another mobile terminal.
  • the terminal may be any terminal device including a mobile phone, a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), an in-vehicle computer, and the terminal is a mobile phone as an example:
  • FIG. 13 is a block diagram showing a partial structure of a mobile phone related to a terminal provided by an embodiment of the present invention.
  • the mobile phone includes: a radio frequency (RF) circuit 1310 , a memory 1320 , an input unit 1330 , a display unit 1340 , a sensor 1350 , an audio circuit 1360 , a wireless fidelity (WiFi) module 1370 , and a processor 1380 .
  • RF radio frequency
  • the RF circuit 1310 can be used for receiving and transmitting signals during and after the transmission or reception of information, in particular, after receiving the downlink information of the base station, and processing it to the processor 1380; in addition, transmitting the designed uplink data to the base station.
  • RF circuit 1310 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
  • LNA Low Noise Amplifier
  • RF circuitry 1310 can also communicate with the network and other devices via wireless communication.
  • the above wireless communication may use any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (Code Division). Multiple Access, CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (Long) Term Evolution, LTE), email, Short Messaging Service (SMS), etc.
  • GSM Global System of Mobile communication
  • the memory 1320 can be used to store software programs and modules, and the processor 1380 executes various functional applications and data processing of the mobile phone by running software programs and modules stored in the memory 1320.
  • the memory 1320 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to Data created by the use of the mobile phone (such as audio data, phone book, etc.).
  • memory 1320 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the input unit 1330 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function controls of the handset.
  • the input unit 1330 may include a touch panel 1331 and other input devices 1332.
  • the touch panel 1331 also referred to as a touch screen, can collect touch operations on or near the user (such as a user using a finger, a stylus, or the like on the touch panel 1331 or near the touch panel 1331. Operation), and drive the corresponding connecting device according to a preset program.
  • the touch panel 1331 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
  • the processor 1380 is provided and can receive commands from the processor 1380 and execute them.
  • the touch panel 1331 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the input unit 1330 may further include other input devices 1332.
  • other input devices 1332 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
  • the display unit 1340 can be used to display information input by the user or information provided to the user as well as various menus of the mobile phone.
  • the display unit 1340 can include a display panel 1341.
  • the display panel 1341 can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • the touch panel 1331 can be covered The cover display panel 1341, when the touch panel 1331 detects a touch operation on or near it, transmits to the processor 1380 to determine the type of the touch event, and then the processor 1380 provides a corresponding on the display panel 1341 according to the type of the touch event. Visual output.
  • the touch panel 1331 and the display panel 1341 are used as two independent components to implement the input and input functions of the mobile phone, in some embodiments, the touch panel 1331 and the display panel 1341 may be integrated. Realize the input and output functions of the phone.
  • the handset can also include at least one type of sensor 1350, such as a light sensor, motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 1341 according to the brightness of the ambient light, and the proximity sensor may close the display panel 1341 and/or when the mobile phone moves to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
  • the mobile phone can be used to identify the gesture of the mobile phone (such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
  • the gesture of the mobile phone such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration
  • vibration recognition related functions such as pedometer, tapping
  • the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
  • An audio circuit 1360, a speaker 1361, and a microphone 1362 can provide an audio interface between the user and the handset.
  • the audio circuit 1360 can transmit the converted electrical data of the received audio data to the speaker 1361, and convert it into a sound signal output by the speaker 1361; on the other hand, the microphone 1362 converts the collected sound signal into an electrical signal, by the audio circuit 1360. After receiving, it is converted into audio data, and then processed by the audio data output processor 1380, sent to, for example, another mobile phone via the RF circuit 1310, or outputted to the memory 1320 for further processing.
  • WiFi is a short-range wireless transmission technology.
  • the mobile phone can help users to send and receive emails, browse web pages and access streaming media through the WiFi module 1370. It provides users with wireless broadband Internet access.
  • FIG. 13 shows the WiFi module 1370, it can be understood that it does not belong to the essential configuration of the mobile phone, and may be omitted as needed within the scope of not changing the essence of the invention.
  • the processor 1380 is a control center for the handset that connects various portions of the entire handset using various interfaces and lines, by executing or executing software programs and/or modules stored in the memory 1320, and invoking data stored in the memory 1320, Mobile phone's various functions and processing data to rival The machine performs overall monitoring.
  • the processor 1380 may include one or more processing units; preferably, the processor 1380 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, an application, and the like.
  • the modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 1380.
  • the handset also includes a power source 1390 (such as a battery) that supplies power to the various components.
  • a power source 1390 such as a battery
  • the power source can be logically coupled to the processor 1380 through a power management system to manage functions such as charging, discharging, and power management through the power management system.
  • the mobile phone may further include a camera, a Bluetooth module, and the like, and details are not described herein again.
  • the function of the processor 1380 included in the mobile phone may correspond to the processor 1103 of FIG. 11, and the RF circuit 1310 may correspond to the transmitter 1102.
  • FIG. 14 is a schematic structural diagram of a server according to an embodiment of the present invention.
  • the server 1400 may generate a large difference due to different configurations or performances, and may include one or more central processing units (central processing units). , CPU) 1422 (eg, one or more processors) and memory 1432, one or more storage media 1430 that store application 1442 or data 1444 (eg, one or one storage device in Shanghai).
  • the memory 1432 and the storage medium 1430 may be short-term storage or persistent storage.
  • the program stored on storage medium 1430 may include one or more modules (not shown), each of which may include a series of instruction operations in the server.
  • central processor 1422 can be configured to communicate with storage medium 1430, executing a series of instruction operations in storage medium 1430 on server 1400.
  • Server 1400 may also include one or more power sources 1426, one or more wired or wireless network interfaces 1450, one or more input and output interfaces 1458, and/or one or more operating systems 1441.
  • the steps performed by the access device in the above embodiments may be based on the server structure shown in FIG.
  • the processor 1103 can correspond to the central processing unit 1422 of the server, and the function of the input/output interface 1450 can correspond to the transmitter 1102.
  • the storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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Abstract

一种接入控制方法，接入设备及移动终端，其中方法的实现包括：获取小区群，所述小区群内包含第一小区和第二小区，所述第一小区为广播完整系统广播消息的小区；所述第二小区为所述小区群内除所述第一小区之外的其他小区；向所述第一小区广播系统信息块SIB，向所述第二小区广播所述SIB包含的接入参数和驻留参数，向所述第一小区和第二小区广播所述小区群的标识。本发明实施例中的接入设备向小区广播下行控制信息，不需要对所有小区都广播完整的SIB，可以减少广播的数据量，因此可以减少接入设备广播下行控制信息的开销。

Description

一种接入控制方法，接入设备及移动终端 技术领域
本发明涉及通信技术领域，特别涉及一种接入控制方法，接入设备及移动终端。
背景技术
随着网络演进以及高频段的使用，考虑小小站密集部署场景并且独立部署，小小站需要支持用户设备(User Equipment，UE)驻留。小小站是基站的一种，按照基站的覆盖范围等参数，相对于覆盖范围较大的基站而言称为小站，小小站等。
UE测量，获取同步信道主同步信号(Primary Synchronization Signal，PSS)/辅同步信号(Secondary Synchronization Signal，SSS)同步并识别小区，读取主信息块(Master Information Block，MIB)/补充信息(Supplementary Information，SI)消息后存储并进入非连续接收(Discontinuous Reception，DRX)，UE根据获取的MIB/SIB信息接受寻呼(paging)或者发起接入；
因此当UE驻留在小小区时，由于移动性需要更换小区/小区重选，重新获取系统信息块(System Information Block，SIB)就会变得频繁，另外由于需要支持所有驻留用户，小区必须按照一定周期不停下发系统广播信息下行控制信息的开销(overhead)较大，和宏网部署的情况下，下行控制信息的overhead更大。
发明内容
本发明实施例提供了一种接入控制方法，接入设备及移动终端，用于降低下行控制信息的开销。
本发明实施例一方面提供了一种接入控制方法，包括：
获取小区群，所述小区群内包含第一小区和第二小区，所述第一小区为广播完整系统广播消息的小区；所述第二小区为所述小区群内除所述第一小区之外的其他小区；
向所述第一小区广播系统信息块SIB，向所述第二小区广播所述SIB包含的接入参数和驻留参数，向所述第一小区和第二小区广播所述小区群的标识。
在本实施例中，“第一”和“第二”是为了区分两类小区而使用的，并不代表其他技术含义。第一小区和第二小区的数量也可多可少，依小区群内小区数量等因素决定。不应理解为第一小区和第二小区均必须有固定数量的小区。小区群内的小区可能是最边缘的小区与其他小区群的小区相邻，也可能有更多的小区与其他小区群内的小区相邻，第一小区可以是与小区群之外的其他小区群相邻的小区。
上述接入参数是用于移动终端进行小区接入的相关参数，驻留参数则是移动终端驻留到小区所需要的相关参数，具体参数的选取依不同网络和小区可能有所不同，本实施例不对具体的参数进行唯一性限定。
在一种可选的实现方式中，所述SIB包含的接入参数和驻留参数包括：
所述SIB的主信息块MIB所包含的物理混合重传指示信道PHICH、系统帧号SFN以及驻留门限。
在一种可选的实现方式中，本发明实施例由于进行了小区群的划分，并且小区群内的小区进行了划分，在SIB发生变化以后，需要进行信息同步，本发明实施例提供了如下解决方案：所述方法还包括：
在所述SIB发生变化后确定所述SIB的版本号；
向所述第一小区和第二小区内的移动终端发送寻呼消息进行SIB更新，以及所述版本号；
通过广播信道无线网络临时识别BCH-RNTI在所述第一小区和第二小区内更新变更的SIB信息以及所述版本号。
本发明实施例二方面提供了一种接入控制方法，包括：
移动终端接收小区群的标识；
所述移动终端确定所述小区群的标识与前一次接收到的小区群的标识是否相同，并确定所述小区群的标识对应的系统信息块SIB的版本号是否发生变化；
若不相同，则接收与所述小区群的标识对应的SIB，依据所述SIB驻留或接入所述小区群内的小区；
若发生变化，则接收与所述小区群的标识对应的SIB包含的接入参数和驻留参数。
在本实施例之前，移动终端可能已经通过接收与小区群的标识对应的系统信息块SIB，并依据上述SIB驻留或接入上述小区群内的小区。
在一种可选的实现方式中，接收小区群的标识以及相应的SIB的触发可能有几种情况，一种是由移动终端主动发起的，例如移动终端开机启动自身没有可供使用的有效SIB的情况下主动获取，此种情况下移动终端可以位于任意的小区内；另外还有一种情况就是移动终端因移动，跨小区群的情况，此种情况下移动终端在移动到第一小区时，会接收到新的小区群的标识，还会接收到该小区群的标识对应的完整的SIB，在所述移动终端接收小区群的标识之前，所述方法还包括：向接入设备发送SIB请求消息。
在一种可选的实现方式中，所述SIB包含的接入参数和驻留参数包括：
所述SIB的主信息块MIB所包含的物理混合重传指示信道PHICH、系统帧号SFN以及驻留门限。
在一种可选的实现方式中，所述接收小区群的标识包括：
接收在主信息块MIB中广播的小区群的标识，或者，通过导频信号接收小区群的标识。
在一种可选的实现方式中，基于终端主动获取SIB的需求，所述向接入设备发送SIB请求消息之前，所述方法还包括：
所述移动终端检测是否存储有完整的SIB，如没有，则在接入后执行所述向接入设备发送SIB请求消息。
本发明实施例三方面提供了一种接入设备，包括：
信息获取单元，用于获取小区群，所述小区群内包含第一小区和第二小区，所述第一小区为广播完整系统广播消息的小区；所述第二小区为所述小区群内除所述第一小区之外的其他小区；
信息发送单元，用于向所述第一小区广播系统信息块SIB，向所述第二小区广播所述SIB包含的接入参数和驻留参数，向所述第一小区和第二小区广播所述小区群的标识。
在一种可选的实现方式中，所述SIB包含的接入参数和驻留参数包括：
所述SIB的主信息块MIB所包含的物理混合重传指示信道PHICH、系统帧号SFN以及驻留门限。
在一种可选的实现方式中，所述接入设备还包括：
版本确定单元，用于在所述SIB发生变化后确定所述SIB的版本号；
所述信息发送单元，还用于向所述第一小区和第二小区内的移动终端发送寻呼消息进行SIB更新，以及所述版本号；
通过广播信道无线网络临时识别BCH-RNTI在所述第一小区和第二小区内更新变更的SIB信息以及所述版本号。
在一种可选的实现方式中本发明实施例四方面提供了一种移动终端，包括：
信息接收单元，用于接收小区群的标识；
信息确定单元，用于确定所述小区群的标识与前一次接收到的小区群的标识是否相同，并确定所述小区群的标识对应的系统信息块SIB的版本号是否发生变化；
所述信息接收单元，还用于若所述信息确定单元确定不相同，则接收与所述小区群的标识对应的SIB，依据所述SIB驻留或接入所述小区群内的小区；若所述信息确定单元确定发生变化，则接收与所述小区群的标识对应的SIB包含的接入参数和驻留参数。
在一种可选的实现方式中，所述移动终端还包括：
请求发送单元，用于在所述信息接收单元接收小区群的标识之前，向接入设备发送SIB请求消息。
在一种可选的实现方式中，所述SIB包含的接入参数和驻留参数包括：
所述SIB的主信息块MIB所包含的物理混合重传指示信道PHICH、系统帧号SFN以及驻留门限。
在一种可选的实现方式中，所述信息接收单元，用于接收在主信息块MIB中广播的小区群的标识，或者，通过导频信号接收小区群的标识。
在一种可选的实现方式中，所述移动终端还包括：检测单元，用于在所述请求发送单元向接入设备发送SIB请求消息之前，所述移动终端检测是否存储有完整的SIB；
所述请求发送单元，用于如所述检测单元检测结果为没有，向接入设备发送SIB请求消息。
从以上技术方案可以看出，本发明实施例具有以下优点：接入设备向小区广播下行控制信息，不需要对所有小区都广播完整的SIB，可以减少广播的数据量，因此可以减少接入设备广播下行控制信息的开销。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简要介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域的普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例系统结构示意图；
图2为本发明实施例方法流程示意图；
图3为本发明实施例方法流程示意图；
图4为本发明实施例方法流程示意图；
图5为本发明实施例小区群分布示意图；
图6为本发明实施例接入设备结构示意图；
图7为本发明实施例接入设备结构示意图；
图8为本发明实施例移动终端结构示意图；
图9为本发明实施例移动终端结构示意图；
图10为本发明实施例移动终端结构示意图；
图11为本发明实施例接入设备结构示意图；
图12为本发明实施例移动终端结构示意图；
图13为本发明实施例移动终端结构示意图；
图14为本发明实施例接入设备结构示意图。
具体实施方式
为了使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明作进一步地详细描述，显然，所描述的实施例仅仅是本发明一部份实施例， 而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
在移动通信中将无线信号覆盖的区域称之为小区，最早的小区是指一个基站的信号所能覆盖的范围，后来又有逻辑上划分的小区并不局限于一个基站的信号覆盖范围。在本发明实施例中，小区可以指一般意义上的小区，也可以指小小区、微小区(蜂窝小区)、微微小区、智能小区等，本发明实施例并不局限于小区具体的形式。在后续实施例中，以小小区举例说明不应理解为对小区表现形式的唯一性限定。
基于前文介绍，小小区支持UE驻留的主要问题是下行广播开销较大，移动的UE不断重选或者换小区，会重新获取系统信息块(System Information Block，SIB)导致耗电，本发明实施例的主要目标是解决/改善上述两个问题。
在R10情况下，SIB有19种。用于包含系统信息，总共有19种类型的SIB。SIB的调度信息通过MIB或调度块(scheduling block，SB)承载。举例如下：
(1)、SIB1：包含非接入层(Non-Access Stadium，NAS)层的系统信息和UE定时器/计数器；
(2)、SIB2：包含用户注册区域(User Registration Area，URA)的信息；
(3)、SIB3：包含用于小区选择和重选的参数；
(4)、SIB5：包含用于小区公共物理信道配置的参数；
(5)、SIB7：包含上行链路干扰和动态持续电平等信息；
(6)、SIB11：包含测量控制信息。系统消息在广播控制信道(Broadcast Control Channel，BCCH)上发射，然后映射到BCH或前向接入信道(Forward Access Channel，FACH)，并且总是和BCCH或FACH传输块大小相匹配，若需要，无线资源控制(Radio Resource Control，RRC)负责插入填充比特。
(7)、SIB18：空闲与连接模式下临近小区的PLMN标识。
(8)、SIB19：包含不同系统小区间的频率和优先级。
完整的SIB信息量较多，并不是所有移动终端任何时候都需要完整的SIB。
如图1所示，为网络系统架构图，其中网络侧包含基站、基站控制器等， 属于网络侧控制节点。基站下方圆形区域示意为小区，每一个圆形覆盖区域对应一个小小区，在图1中示意了两个小区群，每个小区群可以分为两类小区，一类是位于小区群的边缘区域，与其他小区群内的小区相邻，另一类小区位于小区群的中央区域，不与其他小区群内的小区相邻。小区群可以按照网络管理和算法设置，例如：由基站或者网管等网络侧控制节点划分，划分的依据可以包括：小区覆盖区域，用户数等。通常来说小区群应当是在地理区域上临近的，基于该地理区域的用户数量，用户数量越多小区群覆盖范围应当较小以降低单个小区群的管理负荷。具体采用何种小区群划分算法本发明实施例不作唯一性限定。
在图1中，左边的小区群内示意了移动终端，移动终端可以在各小区之间进行移动，还可以移动到右边的小区群内的小区。
基于以上图1所示的系统架构图，本发明实施例提供了一种接入控制方法，如图2所示，请一并参阅图1和图4所示，应用于接入设备，例如：基站、网管等设备，具体包括：
201：获取小区群，上述小区群内包含第一小区和第二小区，上述第一小区为广播完整系统广播消息的小区；上述第二小区为上述小区群内除上述第一小区之外的其他小区；
在本实施例中，“第一”和“第二”是为了区分两类小区而使用的，并不代表其他技术含义。第一小区和第二小区的数量也可多可少，依小区群内小区数量等因素决定。不应理解为第一小区和第二小区均必须有固定数量的小区。小区群内的小区可能是最边缘的小区与其他小区群的小区相邻，也可能有更多的小区与其他小区群内的小区相邻，比如发生重叠的情况(这种情况在划分小区群时可以尽量避免)。第一小区可以是与小区群之外的其他小区群相邻的小区。
202：向上述第一小区广播系统信息块SIB，向上述第二小区广播上述SIB包含的接入参数和驻留参数，向上述第一小区和第二小区广播上述小区群的标识。
上述接入参数是用于移动终端进行小区接入的相关参数，驻留参数则是移动终端驻留到小区所需要的相关参数，具体参数的选取依不同网络和小区可能 有所不同，本实施例不对具体的参数进行唯一性限定。
本实施例中，接入设备向小区广播下行控制信息，不需要对所有小区都广播完整的SIB，可以减少广播的数据量，因此可以减少接入设备广播下行控制信息的开销。
作为一个更为具体的举例，上述SIB包含的接入参数和驻留参数包括：
上述SIB的主信息块MIB所包含的物理混合重传指示信道(Physical Hybrid-ARQ Indicator Channel，PHICH)、系统帧号(System Frame Number，SFN)以及驻留门限。
此处驻留门限是信号强度的门限，用于指定移动终端在该小区内信号强度应当高于该驻留门限，若低于该驻留门限不应当驻留到该小区内，
本发明实施例由于进行了小区群的划分，并且小区群内的小区进行了划分，在SIB发生变化以后，需要进行信息同步，本发明实施例提供了如下解决方案：上述方法还包括：
在上述SIB发生变化后确定上述SIB的版本号；
向上述第一小区和第二小区内的移动终端发送寻呼消息进行SIB更新，以及上述版本号；
通过广播信道无线网络临时识别(Broadcast Channel Radio Network Temporary Identity，BCH-RNTI)在上述第一小区和第二小区内更新变更的SIB信息以及上述版本号。
确定版本号是为了区分SIB是否发生改变，例如：移动终端接收到SIB以后可以通过SIB的版本号确定是否与之前接收到的SIB的版本号是否一致，如果是一致的，那么可以确定SIB没有发生改变，不用更新相关信息；如果不一致，那么可以确定SIB发生了改变，需要更新相关信息。
对应前一实施例的实现方案，本发明实施例还提供了另一种接入控制方法，请参阅图3，可一并参阅图1和图4所示，包括：
301：移动终端接收小区群的标识；
在本步骤之前，移动终端可能已经通过接收与小区群的标识对应的系统信息块SIB，并依据上述SIB驻留或接入上述小区群内的小区。
在本发明实施例中，小区群内会包含第一小区和第二小区，上述第一小区为广播完整系统广播消息的小区；上述第二小区为上述小区群内除上述第一小区之外的其他小区；第一小区可以是与小区群之外的其他小区群相邻的小区。
在本实施例中，“第一”和“第二”是为了区分两类小区而使用的，并不代表其他技术含义。第一小区和第二小区的数量也可多可少，依小区群内小区数量等因素决定。不应理解为第一小区和第二小区均必须有固定数量的小区。小区群内的小区可能是最边缘的小区与其他小区群的小区相邻，也可能有更多的小区与其他小区群内的小区相邻，比如发生重叠的情况(这种情况在划分小区群时可以尽量避免)。移动终端理论上是可以不知道当前处于第一小区还是第二小区的，其仅需要知道当前是否发生了跨小区群的运动，即依据小区群的标识是否发生了变化确定其是否移动到别的小区群。
302：确定上述小区群的标识与前一次接收到的小区群的标识是否相同，并确定上述小区群的标识对应的系统信息块SIB的版本号是否发生变化；若不相同，进入303，若发生变化，进入304；
303：接收与上述小区群的标识对应的SIB，依据上述SIB驻留或者接入上述小区群内的小区；
在本实施例中，如果移动终端移动到新的小区群的小区没有完整的SIB信息，或者开机等情况下移动终端没有保存当前所在小区群的完整SIB信息，那么UE可以发起随机接入请求获取完整SIB信息。
304：接收与上述小区群的标识对应的SIB包含的接入参数和驻留参数。
在本发明实施例中，移动终端也可以不停留在一个小区内，不移动到别的小区，在停留的小区接收接入设备的广播信息。虽然移动终端可以不知道自身处于第一小区还是第二小区，但是这并不表明其没有知道的能力。从以上接收到的广播信息而言，由于存在明显的区别，移动终端就可以据此确定自身是在第一小区还是第二小区。
本实施例中，移动终端在小区群内移动，进行小区重选过程中不是必须重新获取完整的SIB，相应地接入设备也不需要广播完整的SIB，因此可以减少移动终端的耗电量，也同时可以减少接入设备广播下行控制信息的开销。
在以上301步骤中，接收小区群的标识以及相应的SIB的触发可能有几种情况，一种是由移动终端主动发起的，例如移动终端开机启动自身没有可供使用的有效SIB的情况下主动获取，此种情况下移动终端可以位于任意的小区内；另外还有一种情况就是移动终端因移动，跨小区群的情况，此种情况下移动终端在移动到第一小区时，会接收到新的小区群的标识，还会接收到该小区群的标识对应的完整的SIB，具体如下：
在上述移动终端接收小区群的标识之前，上述方法还包括：向接入设备发送SIB请求消息。
可选地，基于终端主动获取SIB的需求，本发明实施例还可以如下：上述向接入设备发送SIB请求消息之前，上述方法还包括：
上述移动终端检测是否存储有完整的SIB，如没有，则在接入后执行上述向接入设备发送SIB请求消息。
需要说明的是，小区群的标识和SIB在实际接收可以是同时接收到的，甚至先接收到SIB；这里的时序，仅是先确定自身是否发生了跨小区群的情况，如果跨小区群那么需要获取对应的SIB实现驻留和接入等流程，因此以上接收可以理解为在确定需要信息后的信息获取过程。
作为一个更为具体的举例，上述SIB包含的接入参数和驻留参数包括：
上述SIB的主信息块MIB所包含的物理混合重传指示信道PHICH、系统帧号SFN以及驻留门限。
作为一个更为具体的举例，本实施例还提供了小区群的标识的传递方式，具体如下：上述接收小区群的标识包括：
接收在主信息块MIB中广播的小区群的标识，或者，通过导频信号接收小区群的标识。
要说明的是，采用其他方式进行小区群的标识的传递并不会导致本发明实施例方案无法实现，仅需保证其及时性即可，因此本发明实施例对具体的传递方式不做唯一性限定。
作为一个小小区的举例，如图5所示的密集小站部署场景，按照网络管理和算法设置小区群(在图5中，有四个小区群：cluster1～cluster4。cluster，也 可称为小区的聚类或者小区的集群)区域，如上图5，所有小区归属于四个cluster；网络侧控制节点保证cluster内小区的系统信息块(System Information Block，SIB)的内容相同且同步更新；
位于不同cluster的边界的小区，即图5中有填充的小区，需要广播完整的SIB；中心区小区即图中无填充的小区，仅需广播接入相关参数和驻留相关参数，可选包括：MIB里面的下行带宽，物理混合重传指示信道(Physical Hybrid-ARQ Indicator Channel，PHICH)配置，系统帧号(System Frame Number，SFN)以及驻留门限(信号强度)。
举例MIB可以包含内容，分三部分：
第一部分：
phich-Config        PHICH-Config,//PCICH的配置
systemFrameNumber   BIT STRING(SIZE(8)),//系统帧号，字符串长度8
PHICH配置信息用于UE接收PHICH信道以及PDCCH信道用；
SystemFrameNumber系统帧号用于UE获取定时用。
第二部分：
PHICH-Config::＝           SEQUENCE{//PHICH配置  序列
  phich-Duration  ENUMERATED{normal,extended},//PCICH时间举例{正常，扩展}
  phich-Resource  ENUMERATED{oneSixth,half,one,two}//PCICH资源枚举{六分之一、一半、一、二}
}
此部分是具体PHICH信道配置，用于UE找到并接收相应的PHICH信道用。
第三部分：
cellIdentity     CellIdentity,//小区标识
cellBarred       ENUMERATED{barred,notBarred},//小区禁止枚举{禁止，不禁止}
此部分的小区ID，用于UE识别接入小区；小区接入指示用于通知UE小区是否支持重选接入。
网络侧：
A、网络侧控制节点，在cluster边界的小区广播完整的SIB，其他小区只广播接入和驻留必须的内容，包括：分组随机接入信道(Packet Randem Access Channel，PRACH)信道，小区群的标识clusterID等；这样可以节省网络资源。
B、对于不同类型的UE，如下：
B1、移动UE(从其他cluster移动过来的UE)可以通过刚进入时获得完整的SIB，即：移动到cluster边界的小区时，获取到完整的SIB。UE可以存储完整的SIB，在cluster内移动则不需要重新获取该SIB，只需要获取驻留和接入必须信息比如中心区MIB。
B2、静止开机的用户，其可以仅需要获取驻留和接入必须的内容，这部分UE后续若发起接入，完整信息可以通过专用消息获取。
静止开机的用户，可以通过RRC建链请求中携带指示请求网络下发完整SIB信息，然后在该cluster保存使用；
另外，如果UE在cluster边界小区开机，那么可以获取到完整的SIB，以及MIB。
C、当SIB发生变化时，对于cluster边界小区网络侧控制节点可以按照传统(legacy)方式下发寻呼(paging)以及系统消息变更，对于cluster中心的小区网络侧控制节点可以通过paging触发更新SIB的下发(具体可以是：通过广播信道无线网络临时识别(Broadcast Channel Radio Network Temporary Identity，BCH-RNTI)来调度)，UE同时更新值标签(value tag)。
Value tag是系统广播信息的版本标签，因为网络在某些情况下需要更新系统广播消息，所以给不同版本编上号，让UE知道系统信息更新了，同时UE也可以知道自己存储的是不是最新版本的，如果不是需要重新获取。value tag在技术实质上与SIB的版本号相同，用于确定SIB是否已经发生了改变。
UE侧：
UE在一个小区获取了SIB之后，若发生小区重选，若重选的小区与之前 驻留或接入的小区在同一个cluster内，那么不需要重新读取SIB，其中value tag或者定时器是每个小区群(per cluster)变化的；UE可以根据cluster ID判断是否需要重新读MIB/SIB；cluster ID可以在广播的MIB中获得，也可以通过导频信号获取。
导频信号是接入设备连续发射未经调制的直接序列扩频信号，它使得移动终端能够获得前向码分多址信道时限，提供相关解调相位参考，并且为各接入设备提供信号强度比较，移动终端可以确定何时进行切换。
本发明实施例还提供了一种接入设备，如图6，包括：
信息获取单元601，用于获取小区群，上述小区群内包含第一小区和第二小区，上述第一小区为广播完整系统广播消息的小区；上述第二小区为上述小区群内除上述第一小区之外的其他小区；
信息发送单元602，用于向上述第一小区广播系统信息块SIB，向上述第二小区广播上述SIB包含的接入参数和驻留参数，向上述第一小区和第二小区广播上述小区群的标识。
可选地，上述SIB包含的接入参数和驻留参数包括：
上述SIB的主信息块MIB所包含的物理混合重传指示信道PHICH、系统帧号SFN以及驻留门限。
进一步地，如图7所示，上述接入设备还包括：
版本确定单元701，用于在上述SIB发生变化后确定上述SIB的版本号；
上述信息发送单元602，还用于向上述第一小区和第二小区内的移动终端发送寻呼消息进行SIB更新，以及上述版本号；
通过广播信道无线网络临时识别BCH-RNTI在上述第一小区和第二小区内更新变更的SIB信息以及上述版本号。
本发明实施例还提供了一种移动终端，如图8所示，包括：
信息接收单元801，用于接收小区群的标识；
信息确定单元802，用于确定上述小区群的标识与前一次接收到的小区群的标识是否相同，并确定上述小区群的标识对应的系统信息块SIB的版本号是否发生变化；
上述信息接收单元801，还用于若上述信息确定单元802确定不相同，则接收与上述小区群的标识对应的SIB，依据上述SIB驻留或接入上述小区群内的小区；若上述信息确定单元802确定发生变化，则接收与上述小区群的标识对应的SIB包含的接入参数和驻留参数。
进一步地，如图9所示，上述移动终端还包括：
请求发送单元901，用于在上述信息接收单元801接收小区群的标识之前，向接入设备发送SIB请求消息。
进一步地，基于终端主动获取SIB的需求，本发明实施例还可以如下：如图10所示，上述移动终端还包括：
检测单元1001，用于在上述请求发送单元向接入设备发送SIB请求消息之前，上述移动终端检测是否存储有完整的SIB；
上述请求发送单元，用于如上述检测单元检测结果为没有，向接入设备发送SIB请求消息。
可选地，上述SIB包含的接入参数和驻留参数包括：
上述SIB的主信息块MIB所包含的物理混合重传指示信道PHICH、系统帧号SFN以及驻留门限。
可选地，上述信息接收单元801，用于接收在主信息块MIB中广播的小区群的标识，或者，通过导频信号接收小区群的标识。
本发明实施例还提供了另一种接入设备，如图11所示，包括：接收器1101、发射器1102、处理器1103以及存储器1104；其中处理器1103用于在识别接收器1101接收到的数据以及控制发射器1102发射的数据过程中的相关运算，存储器1104则可以用于提供处理器1103在运算过程中所需的存储空间，也可以用于接收器1101接收到的数据的存储，以及发射器1102将要发送数据的存储；
其中，上述处理器1103，用于获取小区群，上述小区群内包含第一小区和第二小区，上述第一小区为广播完整系统广播消息的小区；上述第二小区为上述小区群内除上述第一小区之外的其他小区；
上述发射器1102，用于向上述第一小区广播系统信息块SIB，向上述第二 小区广播上述SIB包含的接入参数和驻留参数，向上述第一小区和第二小区广播上述小区群的标识。
可选地，上述SIB包含的接入参数和驻留参数包括：
上述SIB的主信息块MIB所包含的物理混合重传指示信道PHICH、系统帧号SFN以及驻留门限。
进一步地，上述处理器1103，还用于在上述SIB发生变化后确定上述SIB的版本号；
上述发射器1102，还用于向上述第一小区和第二小区内的移动终端发送寻呼消息进行SIB更新，以及上述版本号；
通过广播信道无线网络临时识别BCH-RNTI在上述第一小区和第二小区内更新变更的SIB信息以及上述版本号。
本发明实施例还提供了另一种移动终端，如图12所示，包括：接收器1201、发射器1202、处理器1203以及存储器1204；其中处理器1203用于在识别接收器1201接收到的数据以及控制发射器1202发射的数据过程中的相关运算，存储器1204则可以用于提供处理器1203在运算过程中所需的存储空间，也可以用于接收器1201接收到的数据的存储，以及发射器1202将要发送数据的存储；
上述接收器1201，用于接收小区群的标识；
上述处理器1203，用于确定上述小区群的标识与前一次接收到的小区群的标识是否相同，并确定上述小区群的标识对应的系统信息块SIB的版本号是否发生变化；
上述接收器1201，用于若不相同，则接收与上述小区群的标识对应的SIB，依据上述SIB驻留或接入上述小区群内的小区；若发生变化，则接收与上述小区群的标识对应的SIB包含的接入参数和驻留参数。
可选地，上述发射器1202，还用于在在上述移动终端接收小区群的标识之前，向接入设备发送SIB请求消息。
进一步地，基于终端主动获取SIB的需求，本发明实施例还可以如下：
上述发射器1202，用于在上述请求发送单元向接入设备发送SIB请求消 息之前，检测是否存储有完整的SIB；如为没有，向接入设备发送SIB请求消息。
可选地，上述SIB包含的接入参数和驻留参数包括：
上述SIB的主信息块MIB所包含的物理混合重传指示信道PHICH、系统帧号SFN以及驻留门限。
可选地，上述接收器1201，具体用于接收在主信息块MIB中广播的小区群的标识，或者，通过导频信号接收小区群的标识。
本发明实施例还提供了另一种移动终端，如图13所示，为了便于说明，仅示出了与本发明实施例相关的部分，具体技术细节未揭示的，请参照本发明实施例方法部分。该终端可以为包括手机、平板电脑、PDA(Personal Digital Assistant，个人数字助理)、POS(Point of Sales，销售终端)、车载电脑等任意终端设备，以终端为手机为例：
图13示出的是与本发明实施例提供的终端相关的手机的部分结构的框图。参考图13，手机包括：射频(Radio Frequency，RF)电路1310、存储器1320、输入单元1330、显示单元1340、传感器1350、音频电路1360、无线保真(wireless fidelity，WiFi)模块1370、处理器1380、以及电源1390等部件。本领域技术人员可以理解，图13中示出的手机结构并不构成对手机的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
下面结合图13对手机的各个构成部件进行具体的介绍：
RF电路1310可用于收发信息或通话过程中，信号的接收和发送，特别地，将基站的下行信息接收后，给处理器1380处理；另外，将设计上行的数据发送给基站。通常，RF电路1310包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器(Low Noise Amplifier，LNA)、双工器等。此外，RF电路1310还可以通过无线通信与网络和其他设备通信。上述无线通信可以使用任一通信标准或协议，包括但不限于全球移动通讯系统(Global System of Mobile communication，GSM)、通用分组无线服务(General Packet Radio Service，GPRS)、码分多址(Code Division Multiple Access，CDMA)、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)、长期演进(Long  Term Evolution，LTE)、电子邮件、短消息服务(Short Messaging Service，SMS)等。
存储器1320可用于存储软件程序以及模块，处理器1380通过运行存储在存储器1320的软件程序以及模块，从而执行手机的各种功能应用以及数据处理。存储器1320可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器1320可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
输入单元1330可用于接收输入的数字或字符信息，以及产生与手机的用户设置以及功能控制有关的键信号输入。具体地，输入单元1330可包括触控面板1331以及其他输入设备1332。触控面板1331，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板1331上或在触控面板1331附近的操作)，并根据预先设定的程式驱动相应的连接装置。可选的，触控面板1331可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器1380，并能接收处理器1380发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板1331。除了触控面板1331，输入单元1330还可以包括其他输入设备1332。具体地，其他输入设备1332可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆等中的一种或多种。
显示单元1340可用于显示由用户输入的信息或提供给用户的信息以及手机的各种菜单。显示单元1340可包括显示面板1341，可选的，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板1341。进一步的，触控面板1331可覆 盖显示面板1341，当触控面板1331检测到在其上或附近的触摸操作后，传送给处理器1380以确定触摸事件的类型，随后处理器1380根据触摸事件的类型在显示面板1341上提供相应的视觉输出。虽然在图13中，触控面板1331与显示面板1341是作为两个独立的部件来实现手机的输入和输入功能，但是在某些实施例中，可以将触控面板1331与显示面板1341集成而实现手机的输入和输出功能。
手机还可包括至少一种传感器1350，比如光传感器、运动传感器以及其他传感器。具体地，光传感器可包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板1341的亮度，接近传感器可在手机移动到耳边时，关闭显示面板1341和/或背光。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别手机姿态的应用(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；至于手机还可配置的陀螺仪、气压计、湿度计、温度计、红外线传感器等其他传感器，在此不再赘述。
音频电路1360、扬声器1361，传声器1362可提供用户与手机之间的音频接口。音频电路1360可将接收到的音频数据转换后的电信号，传输到扬声器1361，由扬声器1361转换为声音信号输出；另一方面，传声器1362将收集的声音信号转换为电信号，由音频电路1360接收后转换为音频数据，再将音频数据输出处理器1380处理后，经RF电路1310以发送给比如另一手机，或者将音频数据输出至存储器1320以便进一步处理。
WiFi属于短距离无线传输技术，手机通过WiFi模块1370可以帮助用户收发电子邮件、浏览网页和访问流式媒体等，它为用户提供了无线的宽带互联网访问。虽然图13示出了WiFi模块1370，但是可以理解的是，其并不属于手机的必须构成，完全可以根据需要在不改变发明的本质的范围内而省略。
处理器1380是手机的控制中心，利用各种接口和线路连接整个手机的各个部分，通过运行或执行存储在存储器1320内的软件程序和/或模块，以及调用存储在存储器1320内的数据，执行手机的各种功能和处理数据，从而对手 机进行整体监控。可选的，处理器1380可包括一个或多个处理单元；优选的，处理器1380可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器1380中。
手机还包括给各个部件供电的电源1390(比如电池)，优选的，电源可以通过电源管理系统与处理器1380逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
尽管未示出，手机还可以包括摄像头、蓝牙模块等，在此不再赘述。
在本发明实施例中，该手机所包括的处理器1380的功能可以对应到图11的处理器1103，RF电路1310则可以对应到发射器1102。
图14是本发明实施例提供的一种服务器结构示意图，作为接入设备使用，该服务器1400可因配置或性能不同而产生比较大的差异，可以包括一个或一个以上中央处理器(central processing units，CPU)1422(例如，一个或一个以上处理器)和存储器1432，一个或一个以上存储应用程序1442或数据1444的存储介质1430(例如一个或一个以上海量存储设备)。其中，存储器1432和存储介质1430可以是短暂存储或持久存储。存储在存储介质1430的程序可以包括一个或一个以上模块(图示没标出)，每个模块可以包括对服务器中的一系列指令操作。更进一步地，中央处理器1422可以设置为与存储介质1430通信，在服务器1400上执行存储介质1430中的一系列指令操作。
服务器1400还可以包括一个或一个以上电源1426，一个或一个以上有线或无线网络接口1450，一个或一个以上输入输出接口1458，和/或，一个或一个以上操作系统1441。
上述实施例中由接入设备所执行的步骤可以基于该图14所示的服务器结构。其中处理器1103可以对应到服务器的中央处理器1422，输入输出接口1450的功能可以对应到发射器1102。
值得注意的是，上述装置只是按照功能逻辑进行划分的，但并不局限于上述的划分，只要能够实现相应的功能即可；另外，各功能单元的具体名称也只是为了便于相互区分，并不用于限制本发明的保护范围。
另外，本领域普通技术人员可以理解实现上述各方法实施例中的全部或部分步骤是可以通过程序来指令相关的硬件完成，相应的程序可以存储于一种计算机可读存储介质中，上述提到的存储介质可以是只读存储器，磁盘或光盘等。
以上仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明实施例揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求的保护范围为准。

Claims (16)

  1. 一种接入控制方法，其特征在于，包括：
    获取小区群，所述小区群内包含第一小区和第二小区，所述第一小区为广播完整系统广播消息的小区；所述第二小区为所述小区群内除所述第一小区之外的其他小区；
    向所述第一小区广播系统信息块SIB，向所述第二小区广播所述SIB包含的接入参数和驻留参数，向所述第一小区和第二小区广播所述小区群的标识。
  2. 根据权利要求1所述方法，其特征在于，所述SIB包含的接入参数和驻留参数包括：
    所述SIB的主信息块MIB所包含的物理混合重传指示信道PHICH、系统帧号SFN以及驻留门限。
  3. 根据权利要求1所述方法，其特征在于，所述方法还包括：
    在所述SIB发生变化后确定所述SIB的版本号；
    向所述第一小区和第二小区内的移动终端发送寻呼消息进行SIB更新，以及所述版本号；
    通过广播信道无线网络临时识别BCH-RNTI在所述第一小区和第二小区内更新变更的SIB信息以及所述版本号。
  4. 一种接入控制方法，其特征在于，包括：
    移动终端接收小区群的标识；
    所述移动终端确定所述小区群的标识与前一次接收到的小区群的标识是否相同，并确定所述小区群的标识对应的系统信息块SIB的版本号是否发生变化；
    若不相同，则接收与所述小区群的标识对应的SIB，依据所述SIB驻留或接入所述小区群内的小区；
    若发生变化，则接收与所述小区群的标识对应的SIB包含的接入参数和驻留参数。
  5. 根据权利要求4所述方法，其特征在于，
    在所述移动终端接收小区群的标识之前，所述方法还包括：向接入设备发 送SIB请求消息。
  6. 根据权利要求4或5所述方法，其特征在于，所述SIB包含的接入参数和驻留参数包括：
    所述SIB的主信息块MIB所包含的物理混合重传指示信道PHICH、系统帧号SFN以及驻留门限。
  7. 根据权利要求4或5所述方法，其特征在于，所述接收小区群的标识包括：
    接收在主信息块MIB中广播的小区群的标识，或者，通过导频信号接收小区群的标识。
  8. 根据权利要求5所述方法，其特征在于，所述向接入设备发送SIB请求消息之前，所述方法还包括：
    所述移动终端检测是否存储有完整的SIB，如没有，则在接入后执行所述向接入设备发送SIB请求消息。
  9. 一种接入设备，其特征在于，包括：
    信息获取单元，用于获取小区群，所述小区群内包含第一小区和第二小区，所述第一小区为广播完整系统广播消息的小区；所述第二小区为所述小区群内除所述第一小区之外的其他小区；
    信息发送单元，用于向所述第一小区广播系统信息块SIB，向所述第二小区广播所述SIB包含的接入参数和驻留参数，向所述第一小区和第二小区广播所述小区群的标识。
  10. 根据权利要求9所述接入设备，其特征在于，所述SIB包含的接入参数和驻留参数包括：
    所述SIB的主信息块MIB所包含的物理混合重传指示信道PHICH、系统帧号SFN以及驻留门限。
  11. 根据权利要求9所述接入设备，其特征在于，所述接入设备还包括：
    版本确定单元，用于在所述SIB发生变化后确定所述SIB的版本号；
    所述信息发送单元，还用于向所述第一小区和第二小区内的移动终端发送寻呼消息进行SIB更新，以及所述版本号；
    通过广播信道无线网络临时识别BCH-RNTI在所述第一小区和第二小区内更新变更的SIB信息以及所述版本号。
  12. 一种移动终端，其特征在于，包括：
    信息接收单元，用于接收小区群的标识；
    信息确定单元，用于确定所述小区群的标识与前一次接收到的小区群的标识是否相同，并确定所述小区群的标识对应的系统信息块SIB的版本号是否发生变化；
    所述信息接收单元，还用于若所述信息确定单元确定不相同，则接收与所述小区群的标识对应的SIB，依据所述SIB驻留或接入所述小区群内的小区；若所述信息确定单元确定发生变化，则接收与所述小区群的标识对应的SIB包含的接入参数和驻留参数。
  13. 根据权利要求12所述移动终端，其特征在于，所述移动终端还包括：
    请求发送单元，用于在所述信息接收单元接收小区群的标识之前，向接入设备发送SIB请求消息。
  14. 根据权利要求12或13所述移动终端，其特征在于，所述SIB包含的接入参数和驻留参数包括：
    所述SIB的主信息块MIB所包含的物理混合重传指示信道PHICH、系统帧号SFN以及驻留门限。
  15. 根据权利要求12或13所述移动终端，其特征在于，
    所述信息接收单元，用于接收在主信息块MIB中广播的小区群的标识，或者，通过导频信号接收小区群的标识。
  16. 根据权利要求13所述移动终端，其特征在于，
    所述移动终端还包括：检测单元，用于在所述请求发送单元向接入设备发送SIB请求消息之前，所述移动终端检测是否存储有完整的SIB；
    所述请求发送单元，用于如所述检测单元检测结果为没有，向接入设备发送SIB请求消息。
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