CN101835268A - Method and device for terminals to select resident CDMA (Code Division Multiple Access) channels - Google Patents
Method and device for terminals to select resident CDMA (Code Division Multiple Access) channels Download PDFInfo
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Abstract
The invention provides a method and a device for terminals to select resident CDMA channels. CDMA channels configured on a base station is divided into at least two CDMA channel groups, wherein each CDMA channel group is used for supplying service for terminals with different priority levels, and the base station is used for determining that all the CDMA channels of a paging channel or a broadcast control channel are configured in each CDMA channel group. The method for terminals to select resident CDMA channels comprises the following step of: broadcasting a channel list message in the coverage area of the base station by the base station through all the CDMA channels of the paging channel or the broadcast control channel configured in each CDMA channel group, wherein the channel list message comprises channel marks of all the CDMA channels in each CDMA channel group, which are configured with the paging channel or the broadcast control channel, so that the terminals with different priority levels can select the resident CDMA channels in the CDMA channel groups.
Description
Technical field
The embodiment of the invention relates to wireless communication technology field, relates in particular to a kind of method and device that is used for terminals to select resident CDMA (Code Division Multiple Access) channels.
Background technology
Code division multiple access (Code-Division Multiple Access, hereinafter to be referred as: CDMA) in the cellular system, the informational function difference according to CDMA Channel is transmitted can be divided into Traffic Channel and control channel.For CDMA IS-95 system, the control channel of base station configuration comprises pilot channel, paging channel (forward direction) and access channel (oppositely); For CDMA2000 1X system, control channel then comprises pilot channel, paging channel (forward direction), access channel (oppositely), Broadcast Control Channel (forward direction), Common Control Channel (forward direction), strengthens access channel (oppositely) and quick paging channel (forward direction).
According to the cdma system version that the base station is supported, the base station can send CDMA Channel List Message (CDMA Channel List Message) or expansion CDMA Channel List Message (Extended CDMA Channel List Message) on paging channel or Broadcast Control Channel.
Sending CDMA Channel List Message with the base station by paging channel is example, in the base station by paging channel when the area of coverage broadcasting CDMA Channel List Message, enumerate CDMA Channel sign of all configuration paging channel in the CDMA Channel List Message; The terminal CDMA Channel List Message that the automatic search base station of meeting sends after start; Terminal according to the international mobile subscriber identity of CDMA Channel List Message, terminal (International Mobile Subscriber Identification Number, hereinafter to be referred as: IMSI) and the hash function of regulation determine resident CDMA Channel; After determining resident CDMA Channel, terminal resides in the paging that this CDMA Channel is monitored the base station; The base station when call terminal, equally according to the hash function of the IMSI of CDMA Channel List Message, terminal and regulation determine terminal resident CDMA Channel, by this this terminal of CDMA Channel paging.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: different terminals is according to the CDMA Channel List Message of base station broadcast, the cryptographic Hash that calculates might be identical, thereby cause a plurality of terminals to use same CDMA Channel, thereby can not provide different access services for the different priorities terminal to be equal to the probability competition.
Summary of the invention
The embodiment of the invention provides a kind of method and device that is used for terminals to select resident CDMA (Code Division Multiple Access) channels, has realized that the different priorities terminal provides the purpose of different services.
The embodiment of the invention provides a kind of method that is used for terminals to select resident CDMA (Code Division Multiple Access) channels, the CDMA Channel that disposes on the base station is divided at least two CDMA Channel groups, each described CDMA Channel group is used to the different priorities terminal that service is provided, all CDMA Channel of paging channel or Broadcast Control Channel are determined to dispose in each described CDMA Channel group in described base station, and described method comprises:
Described base station is by disposing all CDMA Channel of paging channel or Broadcast Control Channel, broadcast channel list message in described base station overlay area in each described CDMA Channel group; Described channel list message comprises the channel logo that disposes all CDMA Channel of paging channel or Broadcast Control Channel in the described CDMA Channel group, so that described different priorities terminal is selected resident CDMA Channel in described CDMA Channel group.
The embodiment of the invention provides a kind of device that is used for terminals to select resident CDMA (Code Division Multiple Access) channels, comprising:
Channel group is divided module, and all CDMA Channel that are used for disposing on the base station are divided at least two CDMA Channel groups; Each described CDMA Channel group is used to the different priorities terminal that service is provided;
The channel determination module is used for determining to dispose in each CDMA Channel group all CDMA Channel of paging channel or Broadcast Control Channel;
The list information sending module is used for by disposing all CDMA Channel of paging channel or Broadcast Control Channel, broadcast channel list message in described base station overlay area in each described CDMA Channel group; Described channel list message comprises the channel logo that disposes all CDMA Channel of paging channel or Broadcast Control Channel in the described CDMA Channel group, so that described different priorities terminal is selected resident CDMA Channel in described CDMA Channel group.
The method and apparatus that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that the embodiment of the invention provides, the CDMA Channel that disposes on the base station are divided at least two CDMA Channel groups, and the dissimilar CDMA channels group provides service for the different priorities terminal.The base station disposes in each CDMA Channel group on all CDMA Channel of Broadcast Control Channel or paging channel, the broadcast channel list message.For a CDMS channel group, channel list message includes only the channel logo that disposes the CDMA Channel of Broadcast Control Channel or paging channel in this CDMA Channel group, thereby terminal is only selected resident CDMA Channel in this CDMA Channel group, thereby the different terminals of base station overlay area can be disperseed to reside in the different CDMA Channel groups.Because different load planning can be carried out to the dissimilar CDMA channels group in the base station, the load of CDMA Channel on the same group is not independent of each other, thereby has realized providing different services for the different priorities terminal.
Description of drawings
The method flow diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 1 provides for first embodiment of the invention;
The method flow diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 2 a provides for second embodiment of the invention;
The channel distribution schematic diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 2 b provides for second embodiment of the invention;
The method flow diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 3 a provides for third embodiment of the invention;
The method Signalling exchange figure that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 3 b provides for third embodiment of the invention;
The method flow diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 4 provides for fourth embodiment of the invention;
The apparatus structure schematic diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 5 provides for fifth embodiment of the invention;
The apparatus structure schematic diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 6 provides for sixth embodiment of the invention;
The apparatus structure schematic diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 7 provides for seventh embodiment of the invention.
Embodiment
Further specify the technical scheme of the embodiment of the invention below in conjunction with the drawings and specific embodiments.
The method flow diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 1 provides for first embodiment of the invention.Present embodiment is used for the method for terminals to select resident CDMA (Code Division Multiple Access) channels from the explanation of base station angle.
In the present embodiment, the CDMA Channel that disposes on the base station is divided at least two CDMA Channel groups, and each CDMA Channel group is used to the different priorities terminal that service is provided.It is the corresponding different CDMA Channel group of different priorities terminal.
11: all CDMA Channel of paging channel or Broadcast Control Channel are determined to dispose in each CDMA Channel group in the base station.
For CDMA IS-95 system, the base station needs disposing on the CDMA Channel of paging channel to area of coverage broadcast channel list message.Therefore, the base station before the broadcast channel list message, needs to determine to dispose in certain CDMA Channel group all CDMA Channel of paging channel on each CDMA Channel group.
For CDMA2000 1X system, the base station needs disposing on the CDMA Channel of Broadcast Control Channel to area of coverage broadcast channel list message.Therefore, the base station before the broadcast channel list message, needs to determine to dispose in certain CDMA Channel group all CDMA Channel of paging channel on each CDMA Channel group.
12: the base station is by disposing all CDMA Channel of paging channel or Broadcast Control Channel, broadcast channel list message in base station overlay area in each CDMA Channel group; Channel list message comprises the channel logo that disposes all CDMA Channel of paging channel or Broadcast Control Channel in the CDMA Channel group.
For what broadcast in the CDMS channel group, channel list message includes only the channel logo that disposes the CDMA Channel of Broadcast Control Channel or paging channel in this CDMA Channel group.
After terminal receives the channel list message of base station broadcast, in the channel logo of each CDMA Channel that in channel list message, comprises according to the IMSI of hash algorithm and terminal, select resident CDMA Channel, receive the service that the base station provides to reside in this CDMA Channel.Terminal is only carried out the Hash hash in the CDMA Channel that comprises, thereby the different priorities terminal is resided in the different CDMA Channel groups when selecting resident CDMA Channel in channel list message.
Present embodiment, the CDMA Channel that disposes on the base station are divided at least two CDMA Channel groups, and the dissimilar CDMA channels group provides service for the different priorities terminal.The base station disposes in each CDMA Channel group on all CDMA Channel of Broadcast Control Channel or paging channel, the broadcast channel list message.For a CDMS channel group, channel list message includes only the channel logo that disposes the CDMA Channel of Broadcast Control Channel or paging channel in this CDMA Channel group, thereby terminal is only selected resident CDMA Channel in this CDMA Channel group, thereby the different terminals of base station overlay area can be disperseed to reside in the different CDMA Channel groups.Because different load planning can be carried out to the dissimilar CDMA channels group in the base station, the load of CDMA Channel on the same group is not independent of each other, thereby has realized providing different services for the different priorities terminal.
The method flow diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 2 a provides for second embodiment of the invention.Present embodiment is from base station angle explanation CDMA control channel distribution method.The channel distribution schematic diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 2 b provides for second embodiment of the invention.Shown in Fig. 2 b, all CDMA Channel that dispose on the base station in the present embodiment are divided three CDMA Channel groups.Shown in Fig. 2 a, present embodiment comprises:
21: the CDMA Channel that disposes on the base station is divided into three CDMA Channel groups.
The multicarrier replace mode is adopted in the base station, and promptly base station configuration has a plurality of CDMA Channel (being also referred to as CDMA Channel).According to practical application request, all CDMA Channel that dispose on the base station are divided into several CDMA Channel groups, and can be each CDMA Channel group group id is set.
Shown in Fig. 2 b, a plurality of CDMA Channel groups are set: such as Group A on the base station, Group B, Group C etc., divide one or more CDMA Channel for each CDMA Channel group, divide a CDMA Channel such as GroupA, Group B divides two CDMA Channel, and Group C divides three CDMA Channel.
22: the CDMA Channel group of each terminal correspondence of the area of coverage is determined in the base station;
After the CDMA Channel grouping, for each terminal is determined a CDMA Channel group.In system's operation, the concrete grammar of determining a CDMA Channel group for each terminal can be: according to the user's request situation of each terminal, the terminal use is when opening an account, for each terminal is given a priority, be called " terminal PRI ", and attaching position register (Home Location Register, hereinafter to be referred as: set up HLR) " corresponding relation between the IMSI of terminal PRI and terminal " and " correspondence table of terminal PRI and CDMA Channel group ".During specific implementation, can by mobile switching centre (Mobile Switching Centre, hereinafter to be referred as: MSC) by message to base station notice terminal PRI and " correspondence table of terminal PRI and CDMA Channel group ".As shown in table 1, comprise the corresponding relation between terminal PRI and the CDMA Channel group in " correspondence table of terminal PRI and CDMA Channel group ".When dividing the CDMA Channel group for terminal, the CDMA Channel group of this terminal correspondence is determined according to this terminal PRI and table 1 in the base station.As shown in table 1: terminal PRI is 2, and then this terminal should reside at Group C; If terminal PRI is not 12, then this terminal should reside at Group A.
The correspondence table of table 1 terminal PRI and CDMA Channel group
| Terminal PRI | The CDMA Channel group |
| ??12～16 | ??Group?A |
| ??8～11 | ??Group?B |
| ??1～7 | ??Group?C |
When dividing the CDMA Channel group, can carry out different load planning to different CDMA Channel groups for terminal.For example the high priority terminal resides in CDMA Channel group Group B, and the terminal number that then is allocated to Group B is less relatively, make Group B load minimum, thereby the high terminal of assurance priority is enjoyed rich in natural resources; Correspondingly, make the low terminal of priority all reside in Group C, the terminal quantity of Group C is more relatively, causes the resource of the control channel that each low priority terminal enjoys less.For the CDMAIS95 system, control channel is paging channel and access channel; For CDMA 2000 1X systems, control channel is each channel except that pilot channel, Traffic Channel.
23: all CDMA Channel of determining to dispose in each CDMA Channel group paging channel or Broadcast Control Channel;
All CDMA Channel of paging channel (perhaps, disposing Broadcast Control Channel and Forward Common Control Channel) need be determined to dispose in the base station when area of coverage broadcast channel list message, with on these CDMA Channel to area of coverage broadcast channel list message.
24: by disposing all CDMA Channel of paging channel or Broadcast Control Channel in each CDMA Channel group, area of coverage broadcast channel list message to the base station.
Comprise in this channel list message: this CDMA Channel assembly is equipped with the channel logo of each CDMA Channel of paging channel.Wherein, channel list message can be CDMA Channel List Message, also can be Extended CDMA Channel List Message.
The base station is that unit sends CDMA Channel List Message or Extended CDMA Channel List Message with CDMA Channel group.For each CDMA Channel group, the base station sends CDMA ChannelList Message or Extended CDMA Channel List Message by disposing all CDMA Channel of paging channel in this CDMA Channel.Specific as follows:
When base station during: need be in the CDMA_FREQ of this message field to area of coverage broadcast transmission CDMA Channel List Message, list the CDMA sign that disposes the CDMA Channel of paging channel (perhaps, disposing Broadcast Control Channel and Forward Common Control Channel) in this CDMA Channel group.After terminal receives CDMA Channel List Message or Extended CDMA Channel ListMessage, according to the channel logo of enumerating among CDMA Channel List Message or the Extended CDMA Channel ListMessage and the IMSI_S of terminal, determine resident CDMA Channel by the hash function of regulation.Terminal is only carried out hash in the CDMA Channel that comprises in channel list message when determining resident CDMA Channel, thereby terminal is resided in the CDMA Channel group that the base station is the terminal division.
Shown in Fig. 2 b, base station configuration has a plurality of CDMA Channel, and planning has only a CDMA Channel 1 for the CDMAChannel of Group A.Paging channel be must dispose on the CDMA Channel 1, perhaps, Broadcast Control Channel and Forward Common Control Channel disposed.When CDMA Channel 1 configuration be paging channel the time, the base station is on the paging channel of CDMA Channel 1, give all terminal broadcast transmission CDMA Channel List Message message of Group A to planning, the CDMA_FREQ field of this message only comprises the CDMA channel sign of corresponding CDMA Channel 1, for example CDMA channelnumber; When CDMA Channel 1 configuration be Broadcast Control Channel and Forward Common Control Channel the time, the base station sends Extended CDMA Channel List Message message at CDMA Channel 1, the CDMA_FREQ field of this message only comprises the CDMA channel sign of corresponding CDMA Channel 1, for example CDMA channel number.
Shown in Fig. 2 b, planning has only two for the CDMA Channel of Group B: CDMA Channel2, CDMA Channel 3.
If only on CDMA Channel 2, dispose paging channel, when then the base station sent CDMA Channel List Message on the paging channel of CDMA Channel 2, the CDMA_FREQ field of CDMA Channel ListMessage only comprised the CDMA channelnumber of corresponding CDMA Channel 2.Correspondingly, if only on CDMA Channel 3, dispose paging channel, when then the base station sent CDMA Channel List Message on the paging channel of CDMA Channel 3, the CDMA_FREQ field of CDMAChannel List Message only comprised the CDMA channel number of corresponding CDMA Channel 3.
If on CDMA Channel 2 and CDMA Channel 3, all dispose paging channel, then the base station sends CDMA Channel List Message on the paging channel of CDMA Channel 2, and on the paging channel of CDMA Channel 3, sending CDMA Channel List Message, the CDMA_FREQ field of CDMAChannel List Message will comprise CDMA Channel 2 signs and CDMA Channel 3 signs.
If only on CDMA Channel 2 channels, dispose Broadcast Control Channel and Forward Common Control Channel, when then the base station sent Extended CDMA Channel List Message on CDMA Channel 2, the CDMA_FREQ field of this message only comprised the CDMAchannel number of corresponding CDMA Channel 2; If only on CDMA Channel 3 channels, all dispose paging channel, when then the base station sent Extended CDMA Channel ListMessage message on the paging channel of CDMA Channel 3, the CDMA_FREQ field of this message only comprised the CDMA channel number of corresponding CDMA Channel 3.
If on CDMA Channel 2 and CDMA Channel 3, dispose paging channel or dispose Broadcast Control Channel and Forward Common Control Channel, when then the base station sends Extended CDMA Channel List Message message on CDMA Channel 2, CDMAChannel 3, the CDMA_FREQ field of this message will comprise the CDMAchannel number of corresponding CDMA Channel 2, CDMA Channel 3.
Shown in Fig. 2 b, planning has only two for the CDMA Channel of Group C: CDMA Channel4, CDMA Channel 5.
If only on CDMA Channel 5 channels, dispose paging channel, when then the base station sent CDMA Channel List Message message on the paging channel of CDMAChannel 5, the CDMA_FREQ field of this message only comprised the CDMA channel number of corresponding CDMA Channel 5; If on CDMA Channel 4 and CDMA Channel 5, dispose paging channel, when then the base station sends CDMA Channel List Message message on the paging channel of CDMAChannel 4, CDMA Channel 5, the CDMA_FREQ field of this message will comprise the CDMA channel number of corresponding CDMA Channel 4, CDMAChannel 5.
If only on CDMA Channel 5 channels, dispose paging channel or dispose Broadcast Control Channel and Forward Common Control Channel, when then the base station sent Extended CDMAChannel List Message message on CDMA Channel 5, the CDMA_FREQ field of this message only comprised the CDMA channel number of corresponding CDMAChannel 5; If on CDMA Channel 4 and CDMA Channel5, dispose paging channel or dispose Broadcast Control Channel and Forward Common Control Channel, when then the base station sends Extended CDMA Channel ListMessage message on CDMA Channel 4, CDMA Channel 5, the CDMA_FREQ field of this message will comprise the CDMA channel number of corresponding CDMA Channel 4, CDMA Channel 5.
During base station certain terminal in certain CDMA Channel group of paging, the IMSI according to channel logo and terminal in the channel list message of this CDMA Channel group broadcasting by the hash function of regulation, determines the CDMA Channel that this terminal is resident.For example, during the terminal of base station in paging Group B,, know to comprise two channel CDMAchannel 2 and CDMA channel 3 among the Group B according to channel logo in the channel list message that sends on the Group B.Then Hash operation is only carried out in the base station in CDMA channel 2 and CDMAchannel 3, determines the resident CDMA Channel of terminal.This terminal of paging on this CDMA Channel then.
In the present embodiment, the load of CDMA Channel on the same group is not independent of each other, can carry out different load planning to different CDMA Channel groups, for example make the high priority terminal reside in the less CDMA Channel group of terminal quantity, the low priority terminal resides in the more CDMA Channel group of terminal quantity.Thereby make the different priorities terminal share the resource of dissimilar CDMA channels group, make system provide different service quality for the different priorities terminal.
The method flow diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 3 a provides for third embodiment of the invention, the method Signalling exchange figure that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 3 b provides for third embodiment of the invention.Because, the base station on each channel group in the area of coverage broadcast channel list information, terminal is after start, channel list message that search automatically, base station broadcast might not be that the base station is the channel list message that the CDMA Channel group of its division sends.Thereby terminal is according to this channel list message, and resident CDMA Channel not necessarily belongs to the CDMA Channel group of base station for its planning.Therefore, need the base station to indicate it to transfer to and be certain channel in the CDMA Channel group of its planning.
Shown in Fig. 3 a and Fig. 3 b, on the basis of first embodiment, present embodiment also comprises:
31: the registration request that the base station receiving terminal sends;
Terminal after start, insert cdma system for the first time after, by the CDMA Channel of determining according to channel list message, send the registration request to the base station, for example, send Registration Message to the base station.Wherein, the registration request carries the IMSI of terminal.The base station can obtain the current resident CDMA Channel of this terminal according to the registration request.
32: the base station is according to the correspondence table of registration request, terminal PRI information and terminal PRI and CDMA Channel group, determine the target CDMA Channel group of terminal correspondence, and determine that according to hash algorithm terminal should resident target CDMA Channel in the target CDMA Channel group of terminal correspondence.
Shown in Fig. 3 b, the base station receives the registration request that terminal sends, for example RegistrationMessage.Afterwards, the base station sends position updating request to MSC, for example Location UpdatingRequest message.After this base station reception MSC upgrades according to the position of accepting that position updating request sends, and accepts the position renewal and can be Location Updating Accept message.
The base station obtains " corresponding relation between the IMSI of terminal PRI and terminal " and " correspondence table of terminal PRI and CDMA Channel group " by MSC from HLR.The base station can obtain " corresponding relation between the IMSI of terminal PRI and terminal " and " correspondence table of terminal PRI and CDMA Channel group " from the Location Updating Accept that MSC returns particularly.The base station obtains this terminal PRI information according to the IMSI inquiry " corresponding relation between the IMSI of terminal PRI and terminal " of terminal.According to this terminal PRI information, the target CDMA Channel group into this terminal planning is determined in inquiry " correspondence table of terminal PRI and CDMA Channel group " again.Afterwards, determine that according to hash algorithm terminal should resident target CDMA Channel in the target CDMA Channel group of terminal correspondence.
In the correspondence table of above-mentioned terminal PRI and CDMA Channel group, the paging channel that the target CDMA Channel group of high priority terminal correspondence has or the number of Broadcast Control Channel, the paging channel that has more than the target CDMA Channel group of low priority terminal correspondence or the number of Broadcast Control Channel; And the terminal number that has in the target CDMA Channel group of high priority terminal correspondence is less than the terminal number that has in the target CDMA Channel group of low priority terminal correspondence.
33: when the current resident CDMA Channel of terminal and target CDMA Channel are inconsistent, the base station sends professional redirect message to terminal, and professional redirect message is used for indicating terminal, and to transfer to the target CDMA Channel that terminal should be resident from current resident CDMA Channel resident.
When the current resident CDMA Channel of terminal and target CDMA Channel are determined when inconsistent in the base station, can be by send Service Redirection Message to terminal, indicating terminal is transferred on the target CDMA Channel in the CDMA Channel group of requirement, and registers request again.If terminal is to insert registration on the target CDMA Channel that requires, then terminal receipt registration success message is given in the base station, and for example Registration Accepted Order finishes the terminal registration process.
When the base station determines according to the registration request of terminal that first access does not reside in the target CDMA Channel of requirement behind the starting up of terminal in the present embodiment, send professional redirect message to terminal and make it transfer to the target CDMA Channel.Present embodiment impels terminal to reside in to receive the service that the base station provides in the CDMA Channel group of requirement, thereby has realized dissimilar CDMA channels is carried out different load planning.
The method flow diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 4 provides for fourth embodiment of the invention.By the method for the 3rd embodiment, made terminal reside in destination channel and monitored in the paging of base station, therefore, present embodiment is mainly described the CDMA Channel of determining that terminal is resident in the base station and the method for call terminal.
41: the base station receives the paging request message that mobile services switching centre sends;
42: the base station obtains by the correspondence table of calling terminal precedence information and terminal PRI and CDMA Channel group according to paging request message.
The base station obtains the correspondence table of paged terminal PRI information and terminal PRI and CDMA Channel group by the beep-page message of MSC.
43: the base station according to obtain by the correspondence table of calling terminal precedence information and terminal PRI and CDMA Channel group, determine the target CDMA Channel group of calling terminal correspondence, the base station is determined by the resident CDMA Channel of calling terminal according to hash algorithm in target CDMA group.
The base station is according to this terminal PRI information, and the corresponding target CDMA Channel group of this terminal is determined in the inquiry correspondence table of CDMA Channel group " terminal PRI with ".Afterwards, determine that according to hash algorithm terminal should resident target CDMA Channel in the target CDMA Channel group of terminal correspondence.
44: the base station by by the paging channel of the resident CDMA Channel of calling terminal or Broadcast Control Channel to being carried out paging by calling terminal.
After the resident CDMA Channel of terminal is determined in the base station, by paging channel or this terminal of Broadcast Control Channel paging of resident CDMA Channel.
Present embodiment, when terminal resided in the target CDMA Channel, the base station directly resided in call terminal in the paging channel of target CDMA Channel or the Broadcast Control Channel in terminal, thereby provided different traffics for the different priorities terminal.
The apparatus structure schematic diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 5 provides for fifth embodiment of the invention.As shown in Figure 5, present embodiment comprises: channel group is divided module 51, channel determination module 52 and list information sending module 53.
Channel group is divided module 51, and all CDMA Channel that are used for disposing on the base station are divided at least two CDMA Channel groups; Each CDMA Channel group is used to the different priorities terminal that service is provided.
List information sending module 53 is used for by disposing all CDMA Channel of paging channel or Broadcast Control Channel in each CDMA Channel group, broadcast channel list message in base station overlay area; Channel list message comprises the channel logo that disposes all CDMA Channel of paging channel or Broadcast Control Channel in the CDMA Channel group, so that the different priorities terminal is selected resident CDMA Channel in the CDMA Channel group.
Particularly, channel group is divided module 51 all CDMA Channel that dispose on the base station is divided at least two CDMA Channel groups; Each CDMA Channel group is used to the different priorities terminal that service is provided.Dispose all CDMA Channel of paging channel or Broadcast Control Channel in each CDMA Channel group that channel determination module 52 definite channel group division modules 51 mark off.Dispose all CDMA Channel of paging channel or Broadcast Control Channel in each CDMA Channel group that list information sending module 53 is determined by channel determination module 52, broadcast channel list message in base station overlay area.Channel list message comprises the channel logo that disposes all CDMA Channel of paging channel or Broadcast Control Channel in the CDMA Channel group.Terminal is selected resident CDMA Channel according to the CDMA Channel sign of channel list message.
The working mechanism of above-mentioned each module can not repeat them here referring to the description among first embodiment and second embodiment.
Present embodiment, the CDMA Channel that disposes on the base station are divided module by channel group and are divided at least two CDMA Channel groups, and the dissimilar CDMA channels group provides service for the different priorities terminal.The list information sending module disposes in each CDMA Channel group on all CDMA Channel of Broadcast Control Channel or paging channel, the broadcast channel list message.For a CDMS channel group, channel list message includes only the channel logo that disposes the CDMA Channel of Broadcast Control Channel or paging channel in this CDMA Channel group, thereby terminal is only selected resident CDMA Channel in this CDMA Channel group, thereby the different terminals of base station overlay area can be disperseed to reside in the different CDMA Channel groups.Because different load planning can be carried out to the dissimilar CDMA channels group in the base station, the load of CDMA Channel on the same group is not independent of each other, thereby has realized providing different services for the different priorities terminal.
The apparatus structure schematic diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 6 provides for sixth embodiment of the invention.On the 5th embodiment basis, present embodiment also comprises:
Registration request receiver module 54 is used for the register request message that receiving terminal sends;
The first resident channel determination module 55, be used for correspondence table according to terminal PRI information and terminal PRI and CDMA Channel group, determine the target CDMA Channel group of terminal correspondence, and determine that according to hash algorithm terminal should resident target CDMA Channel in the target CDMA Channel group of terminal correspondence.
Wherein, in the correspondence table of terminal PRI and CDMA Channel group, the allocation strategy of terminal respective channels group can be: the paging channel that the target CDMA Channel group of high priority terminal correspondence has or the number of Broadcast Control Channel, the paging channel that has more than the target CDMA Channel group of low priority terminal correspondence or the number of Broadcast Control Channel; And the terminal number that has in the target CDMA Channel group of high priority terminal correspondence is less than the terminal number that has in the target CDMA Channel group of low priority terminal correspondence.
Professional redirect message sending module 56, be used for when the current resident CDMA Channel of terminal and target CDMA Channel are inconsistent, the base station sends professional redirect message to terminal, and professional redirect message is used for indicating terminal, and to transfer to the target CDMA Channel that terminal should be resident from current resident CDMA Channel resident.
Further, as shown in Figure 6, present embodiment also comprises: first acquisition module 57 is used for obtaining from attaching position register the correspondence table of terminal PRI information and terminal PRI and CDMA Channel group.
The working mechanism of each module does not repeat them here referring to describing among the 3rd embodiment in the present embodiment.
When resident channel determination module determined according to the registration request of terminal that first access does not reside in the target CDMA Channel of requirement behind the starting up of terminal in the present embodiment, professional redirect message sending module sends professional redirect message to terminal made it transfer to the target CDMA Channel.Present embodiment impels terminal to reside in to receive the service that the base station provides in the CDMA Channel group of requirement, thereby has realized dissimilar CDMA channels is carried out different load planning.
The apparatus structure schematic diagram that is used for terminals to select resident CDMA (Code Division Multiple Access) channels that Fig. 7 provides for seventh embodiment of the invention.On the 6th embodiment basis, present embodiment also comprises:
Paging request receiver module 58 is used to receive the paging request message that mobile services switching centre sends;
Second acquisition module 510 is used for according to paging request message, obtains by the correspondence table of calling terminal precedence information and terminal PRI and CDMA Channel group from attaching position register;
The second resident channel determination module 511, be used for according to obtain by the correspondence table of calling terminal precedence information and terminal PRI and CDMA Channel group, determine the target CDMA Channel group of calling terminal correspondence, the base station is determined by the resident CDMA Channel of calling terminal according to hash algorithm in target CDMA group; In the correspondence table of terminal PRI and CDMA Channel group, the paging channel that the target CDMA Channel group of high priority terminal correspondence has or the number of Broadcast Control Channel, the paging channel that has more than the target CDMA Channel group of low priority terminal correspondence or the number of Broadcast Control Channel; And the terminal number that has in the target CDMA Channel group of high priority terminal correspondence is less than the terminal number that has in the target CDMA Channel group of low priority terminal correspondence;
Paging module 59, be used for by by the paging channel of the resident CDMA Channel of calling terminal or Broadcast Control Channel to being carried out paging by calling terminal.
The working mechanism of each module does not repeat them here referring to describing among the 4th embodiment in the present embodiment.
Present embodiment, when terminal resided in the target CDMA Channel, the paging module directly resided in call terminal in the paging channel of target CDMA Channel or the Broadcast Control Channel in terminal, thereby provided different traffics for the different priorities terminal.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. method that is used for terminals to select resident CDMA (Code Division Multiple Access) channels, it is characterized in that, the CDMA Channel that disposes on the base station is divided at least two CDMA Channel groups, each described CDMA Channel group is used to the different priorities terminal that service is provided, all CDMA Channel of paging channel or Broadcast Control Channel are determined to dispose in each described CDMA Channel group in described base station, and described method comprises:
Described base station is by disposing all CDMA Channel of paging channel or Broadcast Control Channel, broadcast channel list message in described base station overlay area in each described CDMA Channel group; Described channel list message comprises the channel logo that disposes all CDMA Channel of paging channel or Broadcast Control Channel in the described CDMA Channel group, so that described different priorities terminal is selected resident CDMA Channel in described CDMA Channel group.
2. the method that is used for terminals to select resident CDMA (Code Division Multiple Access) channels according to claim 1 is characterized in that, also comprises:
The register request message that described base station receiving terminal sends;
Described base station is according to the correspondence table of terminal PRI information and terminal PRI and CDMA Channel group, determine the target CDMA Channel group of described terminal correspondence, and answer resident target CDMA Channel according to hash algorithm definite described terminal in the target CDMA Channel group of described terminal correspondence;
When the current resident CDMA Channel of described terminal and described target CDMA Channel are inconsistent, described base station sends professional redirect message to described terminal, and it is resident that described professional redirect message is used to indicate described terminal to transfer to the target CDMA Channel that described terminal should be resident from described current resident CDMA Channel.
3. the method that is used for terminals to select resident CDMA (Code Division Multiple Access) channels according to claim 2 is characterized in that, also comprises:
The correspondence table of described terminal PRI information and described terminal PRI and CDMA Channel group is obtained by the attaching position register of described base station from terminal.
4. the method that is used for terminals to select resident CDMA (Code Division Multiple Access) channels according to claim 1 is characterized in that, also comprises:
Described base station receives the paging request message that mobile services switching centre sends;
Described base station obtains by the correspondence table of calling terminal precedence information and described terminal PRI and CDMA Channel group according to described paging request message;
Described base station according to obtain by the correspondence table of calling terminal precedence information and described terminal PRI and CDMA Channel group, determine the target CDMA Channel group of described calling terminal correspondence, described base station is determined described by the resident CDMA Channel of calling terminal in described target CDMA group according to hash algorithm;
Described base station is carried out paging to described by calling terminal by the paging channel of the resident CDMA Channel of calling terminal or Broadcast Control Channel by described.
5. the method that is used for terminals to select resident CDMA (Code Division Multiple Access) channels according to claim 4 is characterized in that, also comprises:
Described by the correspondence table of calling terminal precedence information and described terminal PRI and CDMA Channel group, obtain by the attaching position register of described base station from terminal.
6. the method that is used for terminals to select resident CDMA (Code Division Multiple Access) channels according to claim 3 is characterized in that, also comprises:
In the correspondence table of described terminal PRI and CDMA Channel group, the paging channel that the target CDMA Channel group of high priority terminal correspondence has or the number of Broadcast Control Channel, the paging channel that has more than the target CDMA Channel group of low priority terminal correspondence or the number of Broadcast Control Channel; And the terminal number that has in the target CDMA Channel group of high priority terminal correspondence is less than the terminal number that has in the target CDMA Channel group of low priority terminal correspondence.
7. a device that is used for terminals to select resident CDMA (Code Division Multiple Access) channels is characterized in that, comprising:
Channel group is divided module, and all CDMA Channel that are used for disposing on the base station are divided at least two CDMA Channel groups; Each described CDMA Channel group is used to the different priorities terminal that service is provided;
The channel determination module is used for determining to dispose in each CDMA Channel group all CDMA Channel of paging channel or Broadcast Control Channel;
The list information sending module is used for by disposing all CDMA Channel of paging channel or Broadcast Control Channel, broadcast channel list message in described base station overlay area in each described CDMA Channel group; Described channel list message comprises the channel logo that disposes all CDMA Channel of paging channel or Broadcast Control Channel in the described CDMA Channel group, so that described different priorities terminal is selected resident CDMA Channel in described CDMA Channel group.
8. the device that is used for terminals to select resident CDMA (Code Division Multiple Access) channels according to claim 7 is characterized in that, also comprises:
Registration request receiver module is used to receive the register request message that described terminal sends;
The first resident channel determination module, be used for correspondence table according to terminal PRI information and terminal PRI and CDMA Channel group, determine the target CDMA Channel group of described terminal correspondence, and answer resident target CDMA Channel according to hash algorithm definite described terminal in the target CDMA Channel group of described terminal correspondence; In the correspondence table of described terminal PRI and CDMA Channel group, the paging channel that the target CDMA Channel group of high priority terminal correspondence has or the number of Broadcast Control Channel, the paging channel that has more than the target CDMA Channel group of low priority terminal correspondence or the number of Broadcast Control Channel; And the terminal number that has in the target CDMA Channel group of high priority terminal correspondence is less than the terminal number that has in the target CDMA Channel group of low priority terminal correspondence;
Professional redirect message sending module, be used for when the current resident CDMA Channel of described terminal and described target CDMA Channel are inconsistent, described base station sends professional redirect message to described terminal, and it is resident that described professional redirect message is used to indicate described terminal to transfer to the target CDMA Channel that described terminal should be resident from described current resident CDMA Channel.
9. the device that is used for terminals to select resident CDMA (Code Division Multiple Access) channels according to claim 8 is characterized in that, also comprises:
First acquisition module is used for obtaining from attaching position register the correspondence table of described terminal PRI information and described terminal PRI and CDMA Channel group.
10. the device that is used for terminals to select resident CDMA (Code Division Multiple Access) channels according to claim 7 is characterized in that, also comprises:
Paging request receiver module is used to receive the paging request message that mobile services switching centre sends;
Second acquisition module is used for according to described paging request message, obtains described by the correspondence table of calling terminal precedence information and described terminal PRI and CDMA Channel group from attaching position register;
The second resident channel determination module, be used for according to obtain by the correspondence table of calling terminal precedence information and described terminal PRI and CDMA Channel group, determine the target CDMA Channel group of described calling terminal correspondence, described base station is determined described by the resident CDMA Channel of calling terminal in described target CDMA group according to hash algorithm; In the correspondence table of described terminal PRI and CDMA Channel group, the paging channel that the target CDMA Channel group of high priority terminal correspondence has or the number of Broadcast Control Channel, the paging channel that has more than the target CDMA Channel group of low priority terminal correspondence or the number of Broadcast Control Channel; And the terminal number that has in the target CDMA Channel group of high priority terminal correspondence is less than the terminal number that has in the target CDMA Channel group of low priority terminal correspondence;
The paging module is used for being carried out paging to described by calling terminal by the paging channel of the resident CDMA Channel of calling terminal or Broadcast Control Channel by described.
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| CN201010144601A CN101835268B (en) | 2010-04-06 | 2010-04-06 | Method and device for terminals to select resident CDMA (Code Division Multiple Access) channels |
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| CN201010144601A CN101835268B (en) | 2010-04-06 | 2010-04-06 | Method and device for terminals to select resident CDMA (Code Division Multiple Access) channels |
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| CN101835268B (en) | 2012-10-17 |
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