CN1859796A - Method for distributing GSM adjacent zone frequency point and structuring GSM adjacent zone list - Google Patents

Method for distributing GSM adjacent zone frequency point and structuring GSM adjacent zone list Download PDF

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Publication number
CN1859796A
CN1859796A CNA200610064819XA CN200610064819A CN1859796A CN 1859796 A CN1859796 A CN 1859796A CN A200610064819X A CNA200610064819X A CN A200610064819XA CN 200610064819 A CN200610064819 A CN 200610064819A CN 1859796 A CN1859796 A CN 1859796A
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system message
point information
adjacent area
frequency point
gsm
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CN100466815C (en
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王瑛
何允如
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XFusion Digital Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The present invention discloses down GSM neighbouring areas frequently point information method for configuring system message used for filling in GSM neighbouring areas frequently point information. Said method includes dot information unable mobile terminal located cell GSM neighbouring areas frequently point information whole filling in system message 2, 2 bis, 2 ter or 5, 5 bis, 5 ter, network side first filling in GSM neighbouring areas frequently point information to 2, 2 bis, 2 ter or 5, 5 bis, 5 ter, then filling in the rest GSM neighbouring areas frequently point information; network side down sending 2, 2 bis, 2 ter or 5, 5 bis, 5 ter, and the rest GSM neighbouring areas frequently point information system message to mobile terminal. The present invention also discloses constructing GSM neighbouring areas list method.

Description

Issue GSM adjacent area frequency point information and make up the GSM neighbouring areas list method
Technical field
The present invention relates to sending system message technology in the global system for mobile communications (GSM), relate in particular to a kind of GSM of issuing adjacent area frequency point information and make up the GSM neighbouring areas list method.
Background technology
System message is the message that is used for describing the network radio configuration parameters that the network side of mobile communications network issues to portable terminal.Portable terminal can obtain the various radio configuration parameters of mobile communications network by system message is decoded after receiving the system message that network side issues.In the various radio configuration parameters that system message comprised, the adjacent area frequency point information is an important parameters.Which adjacent area portable terminal can awareness network have disposed for the Serving cell at self place according to this parameter, in described adjacent area, carry out wireless search then, detect the actual adjacent area that goes into operation, and judge the level signal quality of the actual adjacent area that goes into operation, determine the Target cell of switching or gravity treatment.After having determined Target cell, if portable terminal is in idle pulley, promptly be in idle condition, then portable terminal can be selected a sub-district in the Target cell of determining, initiates the flow process of sub-district gravity treatment; If portable terminal is in dedicated mode, promptly be in normal communication state, then portable terminal can be to the network side reporting measurement reports, and the request network side triggers the switching to Target cell.Therefore, the adjacent area frequency point information of carrying in the system message is many more, and portable terminal selectable adjacent area when determining Target cell is just many more, and then also just helping portable terminal more selects the adjacent area of level signal optimal quality as Target cell.
According to the gsm protocol regulation, network side can adopt coded systems such as 0 bitmap format, 1024 range formats, 512 range formats, 256 range formats, 128 range formats or variable length bitmap format that GSM adjacent area frequency point information is filled up among system message 2,2bis, 2ter or 5,5bis, the 5ter.Wherein, system message 2 or 5 is used for filling in portable terminal Serving cell GSM of living in frequency and belongs to GSM adjacent area frequency point information in the same band limits.In system message 2 or 5 in the process of filling in GSM adjacent area frequency point information, owing to need be subjected to the restriction of coded system or message-length, be not that the GSM adjacent area frequency point information that the GSM frequency belongs in the same band limits in all and the portable terminal Serving cell of living in can both be filled up in system message 2 or 5.System message 2bis or 5bis are used for filling in and belong in the same band limits with portable terminal Serving cell GSM of living in frequency and can't be filled up to GSM adjacent area frequency point information in system message 2 or 5.System message 2ter or 5ter are used for filling in portable terminal Serving cell GSM of living in frequency and do not belong to GSM adjacent area frequency point information in the same band limits.In addition, when portable terminal was in idle pulley, 2 serial system message 2,2bis, 2ter were handed down to portable terminal by Broadcast Control Channel (BCCH); When portable terminal was in dedicated mode, 5 serial system message 5,5bis, 5ter were handed down to portable terminal by slow associated control channel (SACCH).
Specifically when the frequency point information of filling in GSM adjacent area, network side needs according to GSM frequency in the portable terminal Serving cell of living in GSM adjacent area frequency point information to be divided into two parts earlier, the GSM frequency belongs to same band limits in a part and the portable terminal Serving cell of living in, and the GSM frequency does not belong to same band limits in another part and the portable terminal Serving cell of living in.Then, network side adopts coded systems such as 0 bitmap format, 1024 range formats, 512 range formats, 256 range formats, 128 range formats or variable length bitmap format to be filled up among system message 2,2bis or 5, the 5bis with the GSM adjacent area frequency point information that GSM frequency in the portable terminal Serving cell of living in belongs in the same band limits, will be filled up among system message 2ter or the 5ter with the GSM adjacent area frequency point information that GSM frequency in the portable terminal Serving cell of living in does not belong in the same band limits.
But, because all there is self intrinsic defective in above-mentioned various coded systems, so network side can not all be filled up to all GSM adjacent area frequency point information in the system message when adopting above-mentioned various coded system filling in GSM adjacent area frequency point information.Below the inherent shortcoming that exists at every kind of coded system describe respectively:
1, adopts 0 bitmap format coded system
When adopting 0 bitmap format coded system filling in GSM adjacent area frequency point information, can only in system message, fill in the GSM adjacent area frequency point information in the P-900M band limits (0＜Neighbour Cell ARFCH＜=124), if GSM adjacent area frequency point information is positioned at outside the P-900M band limits, then can not adopt this coded system.
2, adopt 1024 range format coded systems
When adopting 1024 range format coded system filling in GSM adjacent area frequency point information, though be not subjected to the restriction of GSM adjacent area frequency point information band limits, GSM adjacent area frequency point information in any band limits can be filled up in the system message, but but be subjected to the restriction of message-length, require to be filled in the number of GSM adjacent area frequency in certain bar system message smaller or equal to 16.
3, adopt 512 range format coded systems
When adopting 512 range format coded system filling in GSM adjacent area frequency point information, require to be filled in the number of GSM adjacent area frequency in certain bar system message smaller or equal to 18; Also need satisfy following condition simultaneously: supposition is to the maximum m at all by the difference of any two frequencies in the frequency of filling in, and then m should be smaller or equal to 512.
4, adopt 256 range format coded systems
When adopting 256 range format coded system filling in GSM adjacent area frequency point information, require to be filled in the number of GSM adjacent area frequency in certain bar system message smaller or equal to 22; Also need satisfy following condition simultaneously: supposition is to the maximum m at all by the difference of any two frequencies in the frequency of filling in, and then m should be smaller or equal to 256.
5, adopt 128 range format coded systems
When adopting 128 range format coded system filling in GSM adjacent area frequency point information, require to be filled in the number of GSM adjacent area frequency in certain bar system message smaller or equal to 29; Also need satisfy following condition simultaneously: supposition is to the maximum m at all by the difference of any two frequencies in the frequency of filling in, and then m should be smaller or equal to 128.
6, adopt variable length bitmap coded mode
When adopting variable length bitmap coded mode filling in GSM adjacent area frequency point information, require to be filled in the number of GSM adjacent area frequency in certain bar system message smaller or equal to 64; Also need satisfy following condition simultaneously: supposition is to the maximum m at all by the difference of any two frequencies in the frequency of filling in, and then m should be more than or equal to 1 and smaller or equal to 111.
As seen from the above analysis, above-mentioned various coded systems mainly are subjected to the restriction of two aspect factors: the one, and the difference in the frequency point information of GSM adjacent area between maximum frequency and the minimum frequency; The 2nd, the number of GSM adjacent area frequency point information intermediate-frequeney point.Difference in the frequency point information of GSM adjacent area between maximum frequency and the minimum frequency is very big, and under the very big situation of GSM adjacent area frequency point information intermediate-frequeney point number, utilize above-mentioned any coded system all GSM adjacent area frequency point information can't be filled up in the system message.
In addition, along with the extensive use of GSM network, it is more and more shorter that Radio Resource becomes.In order to satisfy the constantly demand of expansion of GSM network application scope, gsm protocol expands to DCS1800M, Extend 900M and Railway 900M frequency range with the band limits that the GSM network allows to use from traditional P-900M frequency range again gradually at present, in Latin American countries, even 850M frequency range and 1900M frequency range have been used.Because band limits is constantly expanded, the number of GSM adjacent area frequency point information intermediate-frequeney point can be increasing, difference in the frequency point information of GSM adjacent area between maximum frequency and the minimum frequency also can be increasing, thereby the problem that all GSM adjacent area frequency point information all can't be filled up in the system message just seems more and more outstanding.
Summary of the invention
In view of this, one object of the present invention is to provide the method for a kind of GSM of issuing adjacent area frequency point information, all GSM adjacent area frequency point information all are filled up to are handed down to portable terminal in the system message, solution can't all be filled up to all GSM adjacent area frequency point information the problem in the system message.
Another object of the present invention is to provide a kind of structure GSM neighbouring areas list method, makes portable terminal and network side make up the GSM Neighboring Cell List according to the system message of having filled in all GSM adjacent area frequency point information.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method that issues GSM adjacent area frequency point information, configuration is used for the system message of filling in GSM adjacent area frequency point information, and this method also comprises:
A, in the time the GSM adjacent area frequency point information of sub-district, portable terminal place all can't being filled up among system message 2,2bis, 2ter or 5,5bis, the 5ter, network side is filled in described GSM adjacent area frequency point information earlier in system message 2,2bis, 2ter or 5,5bis, 5ter, fill in remaining GSM adjacent area frequency point information then in the system message of described configuration;
B, network side will have been filled in system message 2,2bis, 2ter or 5,5bis, the 5ter of described GSM adjacent area frequency point information and fill in the system message that remains GSM adjacent area frequency point information and be handed down to portable terminal.
The system message that described configuration is used for filling in GSM adjacent area frequency point information comprises: increase the field that is used for filling in GSM adjacent area frequency point information at system message 2quater; Network side described in the steps A is filled in earlier described GSM adjacent area frequency point information in system message 2,2bis, 2ter or 5,5bis, 5ter, filling in remaining GSM adjacent area frequency point information then in the system message of described configuration comprises: network side is filled in described GSM adjacent area frequency point information earlier in system message 2,2bis, 2ter, adopt 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up to the described field that is used for filling in GSM adjacent area frequency point information that increases then in system message 2quater; Described step B comprises: system message 2,2bis, 2ter and the described system message 2quater that has filled in residue GSM adjacent area frequency point information that network side will have been filled in described GSM adjacent area frequency point information are handed down to portable terminal by BCCH channel of broadcast control.
The system message that described configuration is used for filling in GSM adjacent area frequency point information comprises: increase the field that is used for filling in GSM adjacent area frequency point information at system message metrical information MI; Network side described in the steps A is filled in earlier described GSM adjacent area frequency point information in system message 2,2bis, 2ter or 5,5bis, 5ter, filling in remaining GSM adjacent area frequency point information then in the system message of described configuration comprises: network side is filled in described GSM adjacent area frequency point information earlier in system message 5,5bis, 5ter, adopt 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up to the described field that is used for filling in GSM adjacent area frequency point information that increases then in system message MI; Described step B comprises: system message 5,5bis, 5ter and the described system message MI that has filled in residue GSM adjacent area frequency point information that network side will have been filled in described GSM adjacent area frequency point information are handed down to portable terminal by slow associated control channel SACCH.
The system message that described configuration is used for filling in GSM adjacent area frequency point information comprises: the system message 2quintic of 1024 circulation compression coding mode filling in GSM adjacent area frequency point information is adopted in configuration; Network side described in the steps A is filled in earlier described GSM adjacent area frequency point information in system message 2,2bis, 2ter or 5,5bis, 5ter, filling in remaining GSM adjacent area frequency point information then in the system message of described configuration comprises: network side is filled in described GSM adjacent area frequency point information earlier in system message 2,2bis, 2ter, adopt 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up among the described system message 2quintic then; Described step B comprises: system message 2,2bis, 2ter and the described system message 2quintic that has filled in residue GSM adjacent area frequency point information that network side will have been filled in described GSM adjacent area frequency point information are handed down to portable terminal by the BCCH channel.
The system message that described configuration is used for filling in GSM adjacent area frequency point information comprises: the system message 5quintic of 1024 circulation compression coding mode filling in GSM adjacent area frequency point information is adopted in configuration; Network side described in the steps A is filled in earlier described GSM adjacent area frequency point information in system message 2,2bis, 2ter or 5,5bis, 5ter, filling in remaining GSM adjacent area frequency point information then in the system message of described configuration comprises: network side is filled in described GSM adjacent area frequency point information earlier in system message 5,5bis, 5ter, adopt 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up among the described system message 5quintic then; Described step B comprises: system message 5,5bis, 5ter and the described system message 5quintic that has filled in residue GSM adjacent area frequency point information that network side will have been filled in described GSM adjacent area frequency point information are handed down to portable terminal by the SACCH channel.
The system message of described configuration comprises a plurality of examples, filling in remaining GSM adjacent area frequency point information described in the steps A in the system message of configuration comprises: whether judgement can fill in whole remaining GSM adjacent area frequency point information in an example of the system message of described configuration, if can, then in an example of the system message of described configuration, fill in whole remaining GSM adjacent area frequency point information; Otherwise, after in an example of the system message of described configuration, filling in remaining GSM adjacent area frequency point information, remaining GSM adjacent area frequency point information is filled in continuation in the next example of the system message of described configuration, till filling in whole remaining GSM adjacent area frequency point information.
Network side described in the steps A is filled in described GSM adjacent area frequency point information in system message 2,2bis, 2ter or 5,5bis, 5ter, adopt in 0 bitmap format, 1024 range formats, 512 range formats, 256 range formats, 128 range formats and the variable length bitmap format coded system any one coded system to fill in.
Further comprise before the steps A: network side is divided the GSM adjacent area frequency point information of sub-district, portable terminal place according to the fill request of system message 2,2bis, 2ter or 5,5bis, 5ter, and judges whether to adopt that any one coded system all is filled up to described GSM adjacent area frequency point information among system message 2,2bis, 2ter or 5,5bis, the 5ter in 0 bitmap format, 1024 range formats, 512 range formats, 256 range formats, 128 range formats and the variable length bitmap format coded system.
The GSM adjacent area frequency point information that described network side is divided sub-district, portable terminal place according to the fill request of system message 2,2bis, 2ter or 5,5bis, 5ter comprises: network side with GSM adjacent area frequency point information be divided into portable terminal Serving cell of living in the GSM frequency belong to same band limits and with portable terminal Serving cell of living in the GSM frequency do not belong to same band limits two parts.
Described network side can all be filled up to described GSM adjacent area frequency point information among system message 2,2bis, 2ter or 5,5bis, the 5ter, this method further comprises: network side all is filled up to the GSM adjacent area frequency point information of sub-district, portable terminal place among system message 2,2bis, 2ter or 5,5bis, the 5ter, and system message 2,2bis, 2ter or 5,5bis, the 5ter that will fill in described GSM adjacent area frequency point information are handed down to portable terminal.
A kind of structure GSM neighbouring areas list method, system message 2,2bis, 2ter or 5,5bis, 5ter are used for filling in GSM adjacent area frequency point information, configuration-system message, be used for filling in system message 2,2bis, 2ter or 5,5bis, 5ter and fill in remaining GSM adjacent area frequency point information, this method also comprises:
The system message of system message 2,2bis, 2ter or 5,5bis, 5ter and described configuration that a, portable terminal reception network side issue reads the system message that is received, and parses the GSM adjacent area frequency point information of filling in institute's receiving system message;
B, portable terminal are arranged the GSM adjacent area frequency point information that parses and are constituted GSM Neighboring Cell List I from system message 2,2bis, 2ter or 5,5bis, 5ter, and arrange the GSM adjacent area frequency point information formation GSM Neighboring Cell List II that parses from the system message of described configuration;
C, portable terminal constitute the GSM Neighboring Cell List after GSM Neighboring Cell List II is placed on GSM Neighboring Cell List I.
Described configuration-system message comprises: increase the field that is used for filling in GSM adjacent area frequency point information in system message 2quater or system message MI; Or the system message 2quintic or the system message 5quintic of 1024 circulation compression coding mode filling in GSM adjacent area frequency point information are adopted in configuration.
Arranging the GSM adjacent area frequency point information that parses described in the step b from the system message of configuration is according in sequence ascending.
The system message of described configuration comprises a plurality of examples, arranging the GSM adjacent area frequency point information that parses from the system message of configuration described in the step b constitutes GSM Neighboring Cell List II and comprise: the GSM adjacent area frequency point information in each example that comprises in the system message with described configuration becomes the GSM Neighboring Cell List of each example respectively according to ascending sequence arrangement, and the GSM Neighboring Cell List of each example is arranged in GSM Neighboring Cell List II according to the ascending order of SI2quater_COUNT.
A kind of structure GSM neighbouring areas list method, system message 2,2bis, 2ter or 5,5bis, 5ter are used for filling in GSM adjacent area frequency point information, configuration-system message, be used for filling in system message 2,2bis, 2ter or 5,5bis, 5ter and fill in remaining GSM adjacent area frequency point information, this method also comprises:
A ', network side are filled up to GSM adjacent area frequency point information in the system message of system message 2,2bis, 2ter or 5,5bis, 5ter and described configuration;
B ', network side are arranged the GSM adjacent area frequency point information that fills among system message 2,2bis, 2ter or 5,5bis, the 5ter and are constituted GSM Neighboring Cell List I, and the GSM adjacent area frequency point information of arranging in the system message that fills in described configuration constitutes GSM Neighboring Cell List II;
C ', network side constitute the GSM Neighboring Cell List after GSM Neighboring Cell List II is placed on GSM Neighboring Cell List I.
Described configuration-system message comprises: increase the field that is used for filling in GSM adjacent area frequency point information in system message 2quater or system message MI; Described in the step a ' GSM adjacent area frequency point information is filled up in the system message of system message 2,2bis, 2ter or 5,5bis, 5ter and described configuration and comprises: earlier GSM adjacent area frequency point information is filled up among system message 2,2bis, 2ter or 5,5bis, the 5ter, will in system message 2,2bis, 2ter or 5,5bis, 5ter, fills in remaining GSM adjacent area frequency point information then and be filled up in the field that system message 2quater or system message MI increase; Arranging GSM adjacent area frequency point information in the system message fill in configuration described in the step b ' constitutes GSM Neighboring Cell List II and comprises: fill in GSM adjacent area frequency point information in the field that system message 2quater or system message MI increase according to ascending sequence arrangement, constitute GSM Neighboring Cell List II.
Described configuration-system message comprises: the system message 2quintic or the system message 5quintic of 1024 circulation compression coding mode filling in GSM adjacent area frequency point information adopted in configuration; Described in the step a ' GSM adjacent area frequency point information is filled up in the system message of system message 2,2bis, 2ter or 5,5bis, 5ter and described configuration and comprises: earlier GSM adjacent area frequency point information is filled up among system message 2,2bis, 2ter or 5,5bis, the 5ter, will in system message 2,2bis, 2ter or 5,5bis, 5ter, fills in then among the system message 2quintic or system message 5quintic that remaining GSM adjacent area frequency point information is filled up to described configuration; Arranging GSM adjacent area frequency point information in the system message fill in configuration described in the step b ' constitutes GSM Neighboring Cell List II and comprises: fill in GSM adjacent area frequency point information among system message 2quintic or the system message 5quintic according to ascending sequence arrangement, constitute GSM Neighboring Cell List II.
The system message of described configuration comprises a plurality of examples, arranging GSM adjacent area frequency point information in the system message fill in configuration described in the step b ' constitutes GSM Neighboring Cell List II and comprise: the GSM adjacent area frequency point information in each example that comprises in the system message with described configuration becomes the GSM Neighboring Cell List of each example respectively according to ascending sequence arrangement, and the GSM Neighboring Cell List of each example is arranged in GSM Neighboring Cell List II according to the ascending order of SI2quater_COUNT.
From such scheme as can be seen, the present invention is used for the system message of filling in GSM adjacent area frequency point information by configuration, the GSM adjacent area frequency point information of sub-district, portable terminal place all can't be filled up to system message 2 at network side, 2bis, 2ter or 5,5bis, in the time of among the 5ter, make the network side can be earlier in system message 2,2bis, 2ter or 5,5bis, fill in described GSM adjacent area frequency point information among the 5ter, in the system message of described configuration, fill in remaining GSM adjacent area frequency point information then, and will fill in the system message 2 of described GSM adjacent area frequency point information, 2bis, 2ter or 5,5bis, 5ter is handed down to portable terminal with the system message of having filled in residue GSM adjacent area frequency point information, and realization all is filled up to all GSM adjacent area frequency point information and is handed down to portable terminal in the system message.
Utilize the present invention, owing to disposed the system message that is used for filling in GSM adjacent area frequency point information, number at GSM adjacent area, sub-district, portable terminal place frequency point information intermediate-frequeney point is very big, and/or the difference between maximum frequency and the minimum frequency is very big, the GSM adjacent area frequency point information of sub-district, portable terminal place all can't be filled up to system message 2,2bis, 2ter or 5,5bis, in the time of among the 5ter, network side can be with because of being filled up to system message 2,2bis, 2ter or 5,5bis, among the 5ter and remaining GSM adjacent area frequency point information is filled up in the system message of described configuration, and then network side can all be filled up to all GSM adjacent area frequency point information be handed down to portable terminal in the system message, so the present invention has solved the problem that all GSM adjacent area frequency point information all can't be filled up in the system message well.
In addition, utilize structure GSM neighbouring areas list method provided by the invention, make portable terminal and network side make up the GSM Neighboring Cell List, and then guaranteed the consistency that portable terminal and network side are preserved the GSM Neighboring Cell List according to the system message of system message 2,2bis, 2ter or 5,5bis, 5ter and the described configuration of having filled in all GSM adjacent area frequency point information.
Description of drawings
Fig. 1 issues the realization flow figure of GSM adjacent area frequency point information overall technological scheme for the present invention;
Fig. 2 is for issuing the method flow diagram of GSM adjacent area frequency point information according to first embodiment of the invention;
Fig. 3 is for issuing the method flow diagram of GSM adjacent area frequency point information according to second embodiment of the invention;
Fig. 4 makes up GSM neighbouring areas list method flow chart according to third embodiment of the invention;
Fig. 5 makes up GSM neighbouring areas list method flow chart according to four embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in more detail below in conjunction with embodiment.
Core content of the present invention is: the system message that is used for filling in GSM adjacent area frequency point information by configuration, the GSM adjacent area frequency point information of sub-district, portable terminal place all can't be filled up to system message 2 at network side, 2bis, 2ter or 5,5bis, in the time of among the 5ter, make the network side can be earlier in system message 2,2bis, 2ter or 5,5bis, fill in described GSM adjacent area frequency point information among the 5ter, in the system message of described configuration, fill in remaining GSM adjacent area frequency point information then, and will fill in the system message 2 of described GSM adjacent area frequency point information, 2bis, 2ter or 5,5bis, 5ter is handed down to portable terminal with the system message of having filled in residue GSM adjacent area frequency point information, and realization all is filled up to all GSM adjacent area frequency point information and is handed down to portable terminal in the system message.
As shown in Figure 1, Fig. 1 issues the realization flow figure of GSM adjacent area frequency point information overall technological scheme for the present invention.The prerequisite that the present invention realizes is: configuration is used for the system message of filling in GSM adjacent area frequency point information, and this method is further comprising the steps of:
Step 101: in the time the GSM adjacent area frequency point information of sub-district, portable terminal place all can't being filled up among system message 2,2bis, 2ter or 5,5bis, the 5ter, network side is filled in described GSM adjacent area frequency point information earlier in system message 2,2bis, 2ter or 5,5bis, 5ter, fill in remaining GSM adjacent area frequency point information then in the system message of described configuration;
Judging whether and the GSM adjacent area frequency point information of sub-district, portable terminal place all can be filled up to system message 2,2bis, 2ter or 5,5bis, in the time of among the 5ter, network side adopts 0 bitmap format, 1024 range formats, 512 range formats, 256 range formats, any one coded system is filled in the GSM adjacent area frequency point information of sub-district, portable terminal place in 128 range formats and the variable length bitmap format coded system, if adopt above-mentioned any one coded system all the GSM adjacent area frequency point information of sub-district, portable terminal place all can't be filled up to system message 2,2bis, 2ter or 5,5bis, among the 5ter, then judge and the GSM adjacent area frequency point information of sub-district, portable terminal place all can't be filled up to system message 2,2bis, 2ter or 5,5bis, among the 5ter;
When network side is filled in described GSM adjacent area frequency point information in system message 2,2bis, 2ter or 5,5bis, 5ter, can adopt in 0 bitmap format, 1024 range formats, 512 range formats, 256 range formats, 128 range formats and the variable length bitmap format coded system any one coded system to fill in.
Step 102: network side will have been filled in system message 2,2bis, 2ter or 5,5bis, the 5ter of described GSM adjacent area frequency point information and fill in the system message that remains GSM adjacent area frequency point information and be handed down to portable terminal.
Above-mentioned configuration is used for the system message of filling in GSM adjacent area frequency point information, can in system message 2quater or system message metrical information (MI), increase the field that is used for filling in GSM adjacent area frequency point information, also can dispose the system message 2quintic or the system message 5quintic that adopt 1024 circulation compression coding mode filling in GSM adjacent area frequency point information.
According to 3GPP Release 1999 regulation, system message 2quater or system message MI are used to fill in 3G adjacent area frequency point information and scrambling code information.When portable terminal was in idle pulley, system message 2quater was handed down to portable terminal by the BCCH channel; When portable terminal was in dedicated mode, system message MI was handed down to portable terminal by the SACCH channel.The general 1024 circulation compression coding modes that adopt of network side are filled up to 3G adjacent area frequency point information and scrambling code information among system message 2quater or the system message MI.Because system message 2quater or system message MI can comprise a plurality of examples, if network side can't be filled in whole 3G adjacent area frequency point information and scrambling code information in the example of system message 2quater or system message MI, then network side can be filled in remaining 3G adjacent area frequency point information and scrambling code information in the another one of system message 2quater or system message MI or a plurality of example, till all being filled up to 3G adjacent area frequency point information and scrambling code information among system message 2quater or the system message MI.Therefore, adopting 1024 circulation compression coding modes that 3G adjacent area frequency point information and scrambling code information are filled up in the process of system message 2quater or system message MI, network side can not be subjected in the frequency point information of GSM adjacent area the restriction of difference between the maximum frequency and minimum frequency and GSM adjacent area frequency point information intermediate-frequeney point number two aspect factors, all 3G adjacent area frequency point information and scrambling code information can be filled up among system message 2quater or the system message MI.
As shown in table 1, table 1 is the reference format of existing system message 2quater.When the present invention increases the field that is used for filling in GSM adjacent area frequency point information in system message 2quater, be that parameter S I2 quater Rest Octets in the system message 2quater reference format is expanded, in parameter S I2 quater Rest Octets, increase the territory that name is called GSM Neighboring Cell List (GSM Neighbour Cell Description).
IEI Information element Type/Reference Presence Format length
L2 Pseudo Length L2 Pseudo Length M V 1
RR management Protocol Discriminator Protocol Discriminator M V 1/2
Skip Indicator Skip Indicator M V 1/2
System Information Type 2quater Message Type Message Type M V 1
SI2 quater Rest Octets SI2 quater Rest Octets M V 20
Table 1
As shown in table 2, table 2 is the concrete structure after the parameter S I2 quater Rest Octets expansion among the present invention.In table 2, be the part of the present invention's concrete expansion in parameter S I2 quater Rest Octets with the part of overstriking font representation.
<SI2quater Rest Octets>::＝ <BA_IND：bit(1)> <3G_BA_IND：bit(1)> <MP_CHANGE_MARK：bit(1)> <SI2quater_INDEX：bit(4)> <SI2quater_COUNT：bit(4)> {0|1<Measurement_Parameters Description：<Measurement Parameters Description struct>>} {0|1<GPRS_Real Time Difference Description：<GPRS_Real Time Difference Description struct >>} {0|1<GPRS_BSIC Description：GPRS_BSIC Description struct>} {0|1<GPRS_REPORT PRIORITY Description：<GPRS_REPORT_PRIORITY Description struct >>} {0|1<GPRS_MEASUREMENT_Parameters Description：<GPRS_MEASUREMENT Parameters Description struct>>} {0|1<NC Measurement Parameters：<NC Measurement Parameters struct>>} {0|1<extension length：bit(8)> <spare bit(val(extension length)+1)>}-used for future extensions of the 2G parameters {0|1<3G Neighbour Cell Description：<3G Neighbour Cell Description struct>>} {0|1<3G Measurement Parameters Description：<3G Measurement Parameters Description struct >>} {0|1<GPRS_3G_MEASUREMENT Parameters Description：<GPRS_3G MEASUREMENT
Parameters Description struct>>} {0|1<GSM Neighbour Cell Description：<GSM Neighbour Cell Description struct>>} <spare padding>； <GSM Neighbour Cell Description struct>::＝ {0|1<Index_Start_2G：bit(7)} {0|1<GSM Cell Description：<GSM Cell Description struct>>} <GSM Cell Description struct>::＝ <Indic0：bit(1)> <NR_OF_GSM_CELLS：bit(4)> <GSM_CELL_INFORMATION Field：bit(p(NR_OF_GSM_CELLS))>；--p(n)；
Table 2
Below respectively in the his-and-hers watches 2 expansion be elaborated.Wherein, GSM Neighbour CellDescription is the GSM Neighboring Cell List.Index_Start_2G (7bit) is an optional sigma-field of GSM Neighboring Cell List, first sequence of cells of the example of system message 2quater number when being used for representing to set up the GSM Neighboring Cell List, equal the GSM adjacent area frequency number sum that comprises in the numerical value of this subdomain in the example and the last example on the numerical value, its initial value is 0.GSM Cell Description struct is the GSM cell structure.Subdomain＜Indic0:bit (1)〉be used to represent whether 0 frequency is effective.Subdomain＜NR_OF_GSM_CELLS:bit (4)〉be used for the GSM subdistrict frequency point number of representing that this example message comprises.Subdomain＜GSM_CELL_INFORMATION Field:bit (p (NR_OF_GSM_CELLS))〉be used to describe GSM sub-district BCCH frequency.
When the present invention increases the field that is used for filling in GSM adjacent area frequency point information in system message MI, be in system message MI, to increase the territory that name is called GSM Neighbour Cell Description, the mode of concrete expansion is consistent with the mode of expanding in system message 2quater, just repeats no more here.
If in system message 2quater, increase the field that is used for filling in GSM adjacent area frequency point information, then network side described in the step 101 is earlier in system message 2,2bis, 2ter or 5,5bis, fill in described GSM adjacent area frequency point information among the 5ter, filling in remaining GSM adjacent area frequency point information then in the system message of described configuration comprises: network side is earlier in system message 2,2bis, fill in described GSM adjacent area frequency point information among the 2ter, adopt 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up to the described field that is used for filling in GSM adjacent area frequency point information that increases then in system message 2quater.Described step 102 comprises: system message 2,2bis, 2ter and the described system message 2quater that has filled in residue GSM adjacent area frequency point information that network side will have been filled in described GSM adjacent area frequency point information are handed down to portable terminal by the BCCH channel.
If in system message MI, increase the field that is used for filling in GSM adjacent area frequency point information, then network side described in the step 101 is earlier in system message 2,2bis, 2ter or 5,5bis, fill in described GSM adjacent area frequency point information among the 5ter, filling in remaining GSM adjacent area frequency point information then in the system message of described configuration comprises: network side is earlier in system message 5,5bis, fill in described GSM adjacent area frequency point information among the 5ter, adopt 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up to the described field that is used for filling in GSM adjacent area frequency point information that increases then in system message MI.Described step 102 comprises: system message 5,5bis, 5ter and the described system message MI that has filled in residue GSM adjacent area frequency point information that network side will have been filled in described GSM adjacent area frequency point information are handed down to portable terminal by the SACCH channel.
Above-mentioned configuration is used for the system message of filling in GSM adjacent area frequency point information, also can dispose the system message 2quintic or the system message 5quintic that adopt 1024 circulation compression coding mode filling in GSM adjacent area frequency point information.System message 2quintic or system message 5quintic are two new system messages that the present invention defines.Wherein, it is consistent that the structure of system message 2quintic has increased the system message 2quater that is used for filling in GSM adjacent area frequency point information field with the present invention, it is consistent that the structure of system message 5quintic has increased the system message MI that is used for filling in GSM adjacent area frequency point information field with the present invention, just repeats no more here.When portable terminal was in idle pulley, system message 2quintic was handed down to portable terminal by the BCCH channel; When portable terminal was in dedicated mode, system message 5quintic was handed down to portable terminal by the SACCH channel.
If the system message 2quintic of 1024 circulation compression coding mode filling in GSM adjacent area frequency point information is adopted in configuration, then network side described in the step 101 is earlier in system message 2,2bis, 2ter or 5,5bis, fill in described GSM adjacent area frequency point information among the 5ter, filling in remaining GSM adjacent area frequency point information then in the system message of described configuration comprises: network side is earlier in system message 2,2bis, fill in described GSM adjacent area frequency point information among the 2ter, adopt 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up among the described system message 2quintic then.Described step 102 comprises: system message 2,2bis, 2ter and the described system message 2quintic that has filled in residue GSM adjacent area frequency point information that network side will have been filled in described GSM adjacent area frequency point information are handed down to portable terminal by the BCCH channel.
If the system message 5quintic of 1024 circulation compression coding mode filling in GSM adjacent area frequency point information is adopted in configuration, then network side described in the step 101 is earlier in system message 2,2bis, 2ter or 5,5bis, fill in described GSM adjacent area frequency point information among the 5ter, filling in remaining GSM adjacent area frequency point information then in the system message of described configuration comprises: network side is earlier in system message 5,5bis, fill in described GSM adjacent area frequency point information among the 5ter, adopt 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up among the described system message 5quintic then.Described step 102 comprises: system message 5,5bis, 5ter and the described system message 5quintic that has filled in residue GSM adjacent area frequency point information that network side will have been filled in described GSM adjacent area frequency point information are handed down to portable terminal by the SACCH channel.
Because the system message 2quater that is used for filling in GSM adjacent area frequency point information of configuration, system message MI, can comprise a plurality of examples among system message 2quintic or the system message 5quintic, GSM adjacent area frequency point information all can be filled up in the system message of configuration, so filling in remaining GSM adjacent area frequency point information in the above-mentioned steps 101 in the system message of configuration comprises: whether judgement can fill in whole remaining GSM adjacent area frequency point information in an example of the system message of described configuration, if can, then in an example of the system message of described configuration, fill in whole remaining GSM adjacent area frequency point information; Otherwise, after in an example of the system message of described configuration, filling in remaining GSM adjacent area frequency point information, remaining GSM adjacent area frequency point information is filled in continuation in the next example of the system message of described configuration, till filling in whole remaining GSM adjacent area frequency point information.
Whether above-mentioned judgement can fill in whole remaining GSM adjacent area frequency point information in an example of the system message of configuration comprises: fill in remaining GSM adjacent area frequency point information in an example of the system message that disposes, if remaining GSM adjacent area frequency point information can all be filled up in the example of system message of configuration, then can fill in whole remaining GSM adjacent area frequency point information in the system message of described configuration example; Otherwise, can't fill in whole remaining GSM adjacent area frequency point information in the example of the system message of described configuration.
For the method for this GSM of issuing provided by the invention adjacent area frequency point information can more clearly be described,, technical scheme provided by the invention is elaborated below in conjunction with specific embodiment and with reference to accompanying drawing.
As shown in Figure 2, Fig. 2 is for issuing the method flow diagram of GSM adjacent area frequency point information according to first embodiment of the invention.In the present embodiment, portable terminal is in idle pulley, and the system message that configuration is used for filling in GSM adjacent area frequency point information is to increase the field that is used for filling in GSM adjacent area frequency point information at system message 2quater, and this method is further comprising the steps of:
Step 201: network side is divided the GSM adjacent area frequency point information of sub-district, portable terminal place according to the fill request of system message 2,2bis, 2ter, GSM adjacent area frequency point information is divided into two parts, the GSM frequency belongs to same band limits in a part and the portable terminal Serving cell of living in, and the GSM frequency does not belong to same band limits in another part and the portable terminal Serving cell of living in.
Step 202: network side judges whether to adopt any one coded system in 0 bitmap format, 1024 range formats, 512 range formats, 256 range formats, 128 range formats and the variable length bitmap format coded system that the GSM adjacent area frequency point information of described division all is filled up among system message 2,2bis, the 2ter, if can, then execution in step 203; Otherwise, execution in step 204;
In this step, described deterministic process comprises: network side adopts 0 bitmap format, 1024 range formats, 512 range formats, 256 range formats, any one coded system is filled in the GSM adjacent area frequency point information of sub-district, portable terminal place in 128 range formats and the variable length bitmap format coded system, if in above-mentioned coded system, exist any one coded system the GSM adjacent area frequency point information of sub-district, portable terminal place all can be filled up to system message 2,2bis, 2ter or 5,5bis, among the 5ter, then network side can all be filled up to system message 2 with the GSM adjacent area frequency point information of sub-district, portable terminal place, 2bis, 2ter or 5,5bis, among the 5ter; Otherwise network side can't all be filled up to the GSM adjacent area frequency point information of sub-district, portable terminal place among system message 2,2bis, 2ter or 5,5bis, the 5ter.
Step 203: network side all is filled up to the GSM adjacent area frequency point information of sub-district, portable terminal place among system message 2,2bis, the 2ter, and system message 2,2bis, the 2ter that will fill in described GSM adjacent area frequency point information are handed down to portable terminal by the BCCH channel, process ends;
In this step, network side can adopt any one GSM adjacent area frequency point information of described division all can be filled up to coded system among system message 2,2bis, the 2ter, and the GSM adjacent area frequency point information of sub-district, portable terminal place all is filled up among system message 2,2bis, the 2ter.
Step 204: network side adopts 1024 range format coded systems to fill in described GSM adjacent area frequency point information earlier in system message 2,2bis, 2ter, and adopts 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up to the described field that is used for filling in GSM adjacent area frequency point information that increases in system message 2quater.
Step 205: system message 2,2bis, 2ter and the described system message 2quater that has filled in residue GSM adjacent area frequency point information that network side will have been filled in described GSM adjacent area frequency point information are handed down to portable terminal by the BCCH channel.
As shown in Figure 3, Fig. 3 is for issuing the method flow diagram of GSM adjacent area frequency point information according to second embodiment of the invention.In the present embodiment, portable terminal is in dedicated mode, and the system message that configuration is used for filling in GSM adjacent area frequency point information is to increase the field that is used for filling in GSM adjacent area frequency point information at system message MI, and this method is further comprising the steps of:
Step 301: network side is divided the GSM adjacent area frequency point information of sub-district, portable terminal place according to the fill request of system message 5,5bis, 5ter, GSM adjacent area frequency point information is divided into two parts, the GSM frequency belongs to same band limits in a part and the portable terminal Serving cell of living in, and the GSM frequency does not belong to same band limits in another part and the portable terminal Serving cell of living in.
Step 302: network side judges whether to adopt any one coded system in 0 bitmap format, 1024 range formats, 512 range formats, 256 range formats, 128 range formats and the variable length bitmap format coded system that the GSM adjacent area frequency point information of described division all is filled up among system message 5,5bis, the 5ter, if can, then execution in step 303; Otherwise, execution in step 304;
In this step, described deterministic process comprises: network side adopts 0 bitmap format, 1024 range formats, 512 range formats, 256 range formats, any one coded system is filled in the GSM adjacent area frequency point information of sub-district, portable terminal place in 128 range formats and the variable length bitmap format coded system, if in above-mentioned coded system, exist any one coded system the GSM adjacent area frequency point information of sub-district, portable terminal place all can be filled up to system message 2,2bis, 2ter or 5,5bis, among the 5ter, then network side can all be filled up to system message 2 with the GSM adjacent area frequency point information of sub-district, portable terminal place, 2bis, 2ter or 5,5bis, among the 5ter; Otherwise network side can't all be filled up to the GSM adjacent area frequency point information of sub-district, portable terminal place among system message 2,2bis, 2ter or 5,5bis, the 5ter.
Step 303: network side all is filled up to the GSM adjacent area frequency point information of sub-district, portable terminal place among system message 5,5bis, the 5ter, and system message 5,5bis, the 5ter that will fill in described GSM adjacent area frequency point information are handed down to portable terminal by the SACCH channel, process ends;
In this step, network side can adopt any one GSM adjacent area frequency point information of described division all can be filled up to coded system among system message 5,5bis, the 5ter, and the GSM adjacent area frequency point information of sub-district, portable terminal place all is filled up among system message 5,5bis, the 5ter.
Step 304: network side adopts 1024 range format coded systems to fill in described GSM adjacent area frequency point information earlier in system message 5,5bis, 5ter, and adopts 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up to the described field that is used for filling in GSM adjacent area frequency point information that increases in system message MI.
Step 305: system message 5,5bis, 5ter and the described system message MI that has filled in residue GSM adjacent area frequency point information that network side will have been filled in described GSM adjacent area frequency point information are handed down to portable terminal by the SACCH channel.
Utilize the method for the GSM of issuing provided by the invention adjacent area frequency point information, network side can all be filled up to all GSM adjacent area frequency point information and be handed down to portable terminal in the system message, has solved the problem that all GSM adjacent area frequency point information all can't be filled up in the system message well.Compared with prior art, the present invention has enlarged portable terminal can be selected the adjacent area when determining Target cell scope, helps portable terminal and selects the adjacent area of level signal optimal quality as Target cell.
After portable terminal receives the system message that network side issues, will detect the actual adjacent area that goes into operation, and determine to switch or the Target cell of gravity treatment according to the GSM adjacent area frequency point information of filling in the system message.If portable terminal is in dedicated mode, promptly be in normal communication state, then portable terminal will be to the network side reporting measurement reports, and the request network side triggers the switching to Target cell.Describe the various wireless messages that portable terminal is measured in the measurement report on the GSM sub-district, mainly comprised this service GSM sub-district wireless messages and GSM adjacent area wireless messages.In order to make measurement report can carry more GSM adjacent area frequency point information, what carry in measurement report is the adjacent area call number corresponding with GSM adjacent area frequency point information, the corresponding adjacent area call number of each GSM adjacent area frequency.
At portable terminal before the network side reporting measurement reports, portable terminal is according to the GSM Neighboring Cell List of self, to report frequency corresponding adjacent area call number in GSM adjacent area to be filled up in the measurement report with needs, the measurement report that will fill in the adjacent area call number then reports network side.After network side receives measurement report, in the GSM Neighboring Cell List of self, find the corresponding GSM adjacent area frequency point information of adjacent area call number of carrying with measurement report.Therefore, portable terminal must make up the GSM Neighboring Cell List according to identical method with network side, network side can find the corresponding GSM adjacent area frequency point information of adjacent area call number of carrying with measurement report in the GSM Neighboring Cell List of self like this, and then correctly identifies the GSM adjacent area frequency point information of carrying in the measurement report.
Based on this method that issues GSM adjacent area frequency point information provided by the invention, Fig. 4 shows portable terminal and makes up GSM neighbouring areas list method flow chart, and Fig. 5 shows network side and makes up GSM neighbouring areas list method flow chart.
As shown in Figure 4, Fig. 4 makes up GSM neighbouring areas list method flow chart according to third embodiment of the invention.In the present embodiment, make up the GSM Neighboring Cell List by portable terminal.Pre-configured system message is used for filling in system message 2,2bis, 2ter or 5,5bis, 5ter and fills in remaining GSM adjacent area frequency point information, and this method is further comprising the steps of:
Step 401: the system message of system message 2,2bis, 2ter or 5,5bis, 5ter and described configuration that portable terminal reception network side issues.
Step 402: portable terminal reads the system message of system message 2,2bis, 2ter or 5,5bis, 5ter and the described configuration of reception, parses the GSM adjacent area frequency point information of filling in the system message of system message 2,2bis, 2ter or 5,5bis, 5ter and described configuration.
Step 403: portable terminal is arranged the GSM adjacent area frequency point information that parses and is constituted GSM Neighboring Cell List I from system message 2,2bis, 2ter or 5,5bis, 5ter, and arranges the GSM adjacent area frequency point information formation GSM Neighboring Cell List II that parses from the system message of described configuration;
In this step, the GSM adjacent area frequency point information that arrangement parses from system message 2,2bis, 2ter or 5,5bis, 5ter constitutes GSM Neighboring Cell List I and comprises: according to all GSM adjacent area frequency point information that ascending sequence arrangement parses from system message 2,2bis, 2ter or 5,5bis, 5ter, constitute GSM Neighboring Cell List I;
The GSM adjacent area frequency point information that arrangement parses from the system message of configuration is according in sequence ascending:
If configuration-system message is to increase the field that is used for filling in GSM adjacent area frequency point information in system message 2quater or system message MI, then arranging the GSM adjacent area frequency point information formation GSM Neighboring Cell List II that parses from the system message of described configuration comprises: the GSM adjacent area frequency point information according to ascending sequence arrangement parses from the field of system message 2quater or system message MI increase constitutes GSM Neighboring Cell List II;
If configuration-system message is system message 2quintic or system message 5quintic that 1024 circulation compression coding mode filling in GSM adjacent area frequency point information are adopted in configuration, then arranging the GSM adjacent area frequency point information formation GSM Neighboring Cell List II that parses from the system message of described configuration comprises: according to the GSM adjacent area frequency point information that ascending sequence arrangement parses from system message 2quintic or system message 5quintic, constitute GSM Neighboring Cell List II;
In addition, if the system message of above-mentioned configuration comprises a plurality of examples, then arranging the GSM adjacent area frequency point information that parses from the system message of described configuration constitutes GSM Neighboring Cell List II and comprise: the GSM adjacent area frequency point information in each example that comprises in the system message with described configuration becomes the GSM Neighboring Cell List of each example respectively according to ascending sequence arrangement, and the GSM Neighboring Cell List of each example is arranged in GSM Neighboring Cell List II according to the ascending order of S12quater_COUNT.
Step 404: portable terminal constitutes the GSM Neighboring Cell List after GSM Neighboring Cell List II is placed on GSM Neighboring Cell List I.
As shown in Figure 5, Fig. 5 makes up GSM neighbouring areas list method flow chart according to four embodiment of the invention.In the present embodiment, make up the GSM Neighboring Cell List by network side.Pre-configured system message is used for filling in system message 2,2bis, 2ter or 5,5bis, 5ter and fills in remaining GSM adjacent area frequency point information, and this method is further comprising the steps of:
Step 501: network side is filled up to the system message of system message 2,2bis, 2ter or 5,5bis, 5ter and described configuration with GSM adjacent area frequency point information, fills in the GSM adjacent area frequency point information among system message 2,2bis, 2ter or 5,5bis, the 5ter and fills in GSM adjacent area frequency point information in the system message of described configuration with differentiation;
In this step, if configuration-system message is to increase the field that is used for filling in GSM adjacent area frequency point information in system message 2quater or system message MI, then network side is filled up to GSM adjacent area frequency point information among system message 2,2bis, 2ter or 5,5bis, the 5ter earlier, will fill in remaining GSM adjacent area frequency point information then and be filled up in the field of system message 2quater or system message MI increase in system message 2,2bis, 2ter or 5,5bis, 5ter;
If configuration-system message is system message 2quintic or system message 5quintic that 1024 circulation compression coding mode filling in GSM adjacent area frequency point information are adopted in configuration, then network side is filled up to GSM adjacent area frequency point information among system message 2,2bis, 2ter or 5,5bis, the 5ter earlier, will fill in system message 2,2bis, 2ter or 5,5bis, 5ter then among the system message 2quintic or system message 5quintic that remaining GSM adjacent area frequency point information is filled up to described configuration.
Step 502: network side is arranged the GSM adjacent area frequency point information that fills among system message 2,2bis, 2ter or 5,5bis, the 5ter and is constituted GSM Neighboring Cell List I, and the GSM adjacent area frequency point information of arranging in the system message that fills in described configuration constitutes GSM Neighboring Cell List II;
In this step, the GSM adjacent area frequency point information formation GSM Neighboring Cell List I that arrangement fills among system message 2,2bis, 2ter or 5,5bis, the 5ter comprises: fill in all GSM adjacent area frequency point information among system message 2,2bis, 2ter or 5,5bis, the 5ter according to ascending sequence arrangement, constitute GSM Neighboring Cell List I;
The GSM adjacent area frequency point information that arrangement fills in the system message of described configuration is according in sequence ascending:
If configuration-system message is to increase the field that is used for filling in GSM adjacent area frequency point information in system message 2quater or system message MI, then arranging GSM adjacent area frequency point information in the system message fill in described configuration constitutes GSM Neighboring Cell List II and comprises: fill in GSM adjacent area frequency point information in the field that system message 2quater or system message MI increase according to ascending sequence arrangement, constitute GSM Neighboring Cell List II;
If configuration-system message is system message 2quintic or system message 5quintic that 1024 circulation compression coding mode filling in GSM adjacent area frequency point information are adopted in configuration, then arranging GSM adjacent area frequency point information in the system message fill in described configuration constitutes GSM Neighboring Cell List II and comprises: fill in GSM adjacent area frequency point information among system message 2quintic or the system message 5quintic according to ascending sequence arrangement, constitute GSM Neighboring Cell List II;
In addition, if the system message of above-mentioned configuration comprises a plurality of examples, then arranging GSM adjacent area frequency point information in the system message fill in described configuration constitutes GSM Neighboring Cell List II and comprise: the GSM adjacent area frequency point information in each example that comprises in the system message with described configuration becomes the GSM Neighboring Cell List of each example respectively according to ascending sequence arrangement, and the GSM Neighboring Cell List of each example is arranged in GSM Neighboring Cell List II according to the ascending order of SI2quater_COUNT.
Step 503: network side constitutes the GSM Neighboring Cell List after GSM Neighboring Cell List II is placed on GSM Neighboring Cell List I.
Step 504: the system message that network side will have been filled in system message 2,2bis, 2ter or 5,5bis, 5ter and the described configuration of GSM adjacent area frequency point information is handed down to portable terminal.
Utilize above-mentioned structure GSM neighbouring areas list method, portable terminal can make up the GSM Neighboring Cell List according to identical method with network side, has guaranteed the consistency that portable terminal and network side are preserved the GSM Neighboring Cell List.So, network side receives after the measurement report of mobile terminal reporting, just can correctly identify GSM adjacent area frequency point information in the GSM Neighboring Cell List that self makes up according to the adjacent area call number of carrying in the measurement report message.When concrete identification, network side parses the adjacent area call number earlier from the measurement report that receives, in the GSM Neighboring Cell List that self makes up, search the GSM adjacent area frequency point information corresponding then, and then correctly identify the GSM adjacent area frequency point information of in the measurement report of mobile terminal reporting, carrying with the adjacent area call number that parses.
The present invention for first embodiment in, portable terminal is in idle pulley, the system message that configuration is used for filling in GSM adjacent area frequency point information is to increase the field that is used for filling in GSM adjacent area frequency point information at system message 2quater, and network side adopts 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up to the described field that is used for filling in GSM adjacent area frequency point information that increases in system message 2quater in the step 204.In actual applications, when portable terminal was in idle pulley, the system message that configuration is used for filling in GSM adjacent area frequency point information also can dispose the system message 2quintic that adopts 1024 circulation compression coding mode filling in GSM adjacent area frequency point information.At this moment, network side will adopt 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up among the described system message 2quintic in the step 204.Such technical scheme is consistent on thinking with technical scheme provided by the invention, should be included within protection scope of the present invention.
The present invention for second embodiment in, portable terminal is in dedicated mode, the system message that configuration is used for filling in GSM adjacent area frequency point information is to increase the field that is used for filling in GSM adjacent area frequency point information at system message MI, and network side adopts 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up to the described field that is used for filling in GSM adjacent area frequency point information that increases in system message MI in the step 304.In actual applications, when portable terminal was in idle pulley, the system message that configuration is used for filling in GSM adjacent area frequency point information also can dispose the system message 5quintic that adopts 1024 circulation compression coding mode filling in GSM adjacent area frequency point information.At this moment, network side will adopt 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up among the described system message 5quintic in the step 304.Such technical scheme is consistent on thinking with technical scheme provided by the invention, should be included within protection scope of the present invention.
The present invention for the step 204 of first embodiment in, network side adopts 1024 range format coded systems to fill in described GSM adjacent area frequency point information in system message 2,2bis, 2ter.The present invention for the step 304 of second embodiment in, network side adopts 1024 range format coded systems to fill in described GSM adjacent area frequency point information in system message 5,5bis, 5ter.In actual applications, network side can adopt in 0 bitmap format, 1024 range formats, 512 range formats, 256 range formats, 128 range formats and the variable length bitmap format coded system any one coded system to fill in described GSM adjacent area frequency point information in system message 2,2bis, 2ter or 5,5bis, 5ter.Such technical scheme is consistent on thinking with technical scheme provided by the invention, should be included within protection scope of the present invention.
The present invention for the step 204 of first embodiment in, network side adopt 1024 circulation compression coding modes with remaining GSM adjacent area frequency point information be filled up to described in system message 2quater, increase be used for the field of filling in GSM adjacent area frequency point information the time, the system message 2quater of described configuration can further comprise a plurality of examples, described network side is filled in remaining GSM adjacent area frequency point information and comprised in the system message of configuration: whether network side is judged in an example of the system message of described configuration can fill in whole remaining GSM adjacent area frequency point information, if can, then in an example of the system message of described configuration, fill in whole remaining GSM adjacent area frequency point information; Otherwise, after in an example of the system message of described configuration, filling in remaining GSM adjacent area frequency point information, remaining GSM adjacent area frequency point information is filled in continuation in the next example of the system message of described configuration, till filling in whole remaining GSM adjacent area frequency point information.Such technical scheme is consistent on thinking with technical scheme provided by the invention, should be included within protection scope of the present invention.
In addition, the system message MI of described configuration, system message 2quintic or system message 5quintic also can further comprise a plurality of examples, described network side is filled in remaining GSM adjacent area frequency point information and comprised in the system message of configuration: network side is judged at system message MI, whether can fill in whole remaining GSM adjacent area frequency point information in the example of system message 2quintic or system message 5quintic, if can, then at system message MI, fill in whole remaining GSM adjacent area frequency point information in the example of system message 2quintic or system message 5quintic; Otherwise, after in the example of system message MI, system message 2quintic or system message 5quintic, filling in remaining GSM adjacent area frequency point information, remaining GSM adjacent area frequency point information is filled in continuation in the next example of system message MI, system message 2quintic or system message 5quintic, till filling in whole remaining GSM adjacent area frequency point information.Such technical scheme is consistent on thinking with technical scheme provided by the invention, should be included within protection scope of the present invention.
The present invention for the 4th embodiment in, after network side is distinguished GSM adjacent area frequency point information in the system message that fills in the GSM adjacent area frequency point information among system message 2,2bis, 2ter or 5,5bis, the 5ter and fill in described configuration, make up the GSM Neighboring Cell List earlier, the system message that will fill in system message 2,2bis, 2ter or 5,5bis, 5ter and the described configuration of GSM adjacent area frequency point information again is handed down to portable terminal.In actual applications, after the GSM adjacent area frequency point information of network side in distinguishing the system message that fills in the GSM adjacent area frequency point information among system message 2,2bis, 2ter or 5,5bis, the 5ter and fill in described configuration, also can earlier the system message of having filled in system message 2,2bis, 2ter or 5,5bis, 5ter and the described configuration of GSM adjacent area frequency point information be handed down to portable terminal, make up the GSM Neighboring Cell List again.Such technical scheme is consistent on thinking with technical scheme provided by the invention, should be included within protection scope of the present invention.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (18)

1, a kind of method that issues global system for mobile communications GSM adjacent area frequency point information is characterized in that, configuration is used for the system message of filling in GSM adjacent area frequency point information, and this method also comprises:
A, in the time the GSM adjacent area frequency point information of sub-district, portable terminal place all can't being filled up among system message 2,2bis, 2ter or 5,5bis, the 5ter, network side is filled in described GSM adjacent area frequency point information earlier in system message 2,2bis, 2ter or 5,5bis, 5ter, fill in remaining GSM adjacent area frequency point information then in the system message of described configuration;
B, network side will have been filled in system message 2,2bis, 2ter or 5,5bis, the 5ter of described GSM adjacent area frequency point information and fill in the system message that remains GSM adjacent area frequency point information and be handed down to portable terminal.
2, method according to claim 1 is characterized in that, the system message that described configuration is used for filling in GSM adjacent area frequency point information comprises: increase the field that is used for filling in GSM adjacent area frequency point information at system message 2quater;
Network side described in the steps A is filled in earlier described GSM adjacent area frequency point information in system message 2,2bis, 2ter or 5,5bis, 5ter, filling in remaining GSM adjacent area frequency point information then in the system message of described configuration comprises: network side is filled in described GSM adjacent area frequency point information earlier in system message 2,2bis, 2ter, adopt 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up to the described field that is used for filling in GSM adjacent area frequency point information that increases then in system message 2quater;
Described step B comprises: system message 2,2bis, 2ter and the described system message 2quater that has filled in residue GSM adjacent area frequency point information that network side will have been filled in described GSM adjacent area frequency point information are handed down to portable terminal by BCCH channel of broadcast control.
3, method according to claim 1 is characterized in that, the system message that described configuration is used for filling in GSM adjacent area frequency point information comprises: increase the field that is used for filling in GSM adjacent area frequency point information at system message metrical information MI;
Network side described in the steps A is filled in earlier described GSM adjacent area frequency point information in system message 2,2bis, 2ter or 5,5bis, 5ter, filling in remaining GSM adjacent area frequency point information then in the system message of described configuration comprises: network side is filled in described GSM adjacent area frequency point information earlier in system message 5,5bis, 5ter, adopt 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up to the described field that is used for filling in GSM adjacent area frequency point information that increases then in system message MI;
Described step B comprises: system message 5,5bis, 5ter and the described system message MI that has filled in residue GSM adjacent area frequency point information that network side will have been filled in described GSM adjacent area frequency point information are handed down to portable terminal by slow associated control channel SACCH.
4, method according to claim 1 is characterized in that, the system message that described configuration is used for filling in GSM adjacent area frequency point information comprises: the system message 2quintic of 1024 circulation compression coding mode filling in GSM adjacent area frequency point information is adopted in configuration;
Network side described in the steps A is filled in earlier described GSM adjacent area frequency point information in system message 2,2bis, 2ter or 5,5bis, 5ter, filling in remaining GSM adjacent area frequency point information then in the system message of described configuration comprises: network side is filled in described GSM adjacent area frequency point information earlier in system message 2,2bis, 2ter, adopt 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up among the described system message 2quintic then;
Described step B comprises: system message 2,2bis, 2ter and the described system message 2quintic that has filled in residue GSM adjacent area frequency point information that network side will have been filled in described GSM adjacent area frequency point information are handed down to portable terminal by the BCCH channel.
5, method according to claim 1 is characterized in that, the system message that described configuration is used for filling in GSM adjacent area frequency point information comprises: the system message 5quintic of 1024 circulation compression coding mode filling in GSM adjacent area frequency point information is adopted in configuration;
Network side described in the steps A is filled in earlier described GSM adjacent area frequency point information in system message 2,2bis, 2ter or 5,5bis, 5ter, filling in remaining GSM adjacent area frequency point information then in the system message of described configuration comprises: network side is filled in described GSM adjacent area frequency point information earlier in system message 5,5bis, 5ter, adopt 1024 circulation compression coding modes that remaining GSM adjacent area frequency point information is filled up among the described system message 5quintic then;
Described step B comprises: system message 5,5bis, 5ter and the described system message 5quintic that has filled in residue GSM adjacent area frequency point information that network side will have been filled in described GSM adjacent area frequency point information are handed down to portable terminal by the SACCH channel.
6, method according to claim 1 is characterized in that, the system message of described configuration comprises a plurality of examples, fills in remaining GSM adjacent area frequency point information described in the steps A in the system message of configuration and comprises:
Whether judgement can fill in whole remaining GSM adjacent area frequency point information in an example of the system message of described configuration, if can, then in an example of the system message of described configuration, fill in whole remaining GSM adjacent area frequency point information; Otherwise, after in an example of the system message of described configuration, filling in remaining GSM adjacent area frequency point information, remaining GSM adjacent area frequency point information is filled in continuation in the next example of the system message of described configuration, till filling in whole remaining GSM adjacent area frequency point information.
7, method according to claim 1, it is characterized in that, network side described in the steps A is filled in described GSM adjacent area frequency point information in system message 2,2bis, 2ter or 5,5bis, 5ter, adopt in 0 bitmap format, 1024 range formats, 512 range formats, 256 range formats, 128 range formats and the variable length bitmap format coded system any one coded system to fill in.
8, method according to claim 1 is characterized in that, further comprises before the steps A:
Network side is divided the GSM adjacent area frequency point information of sub-district, portable terminal place according to the fill request of system message 2,2bis, 2ter or 5,5bis, 5ter, and judges whether to adopt that any one coded system all is filled up to described GSM adjacent area frequency point information among system message 2,2bis, 2ter or 5,5bis, the 5ter in 0 bitmap format, 1024 range formats, 512 range formats, 256 range formats, 128 range formats and the variable length bitmap format coded system.
9, method according to claim 8 is characterized in that, the GSM adjacent area frequency point information that described network side is divided sub-district, portable terminal place according to the fill request of system message 2,2bis, 2ter or 5,5bis, 5ter comprises:
Network side with GSM adjacent area frequency point information be divided into portable terminal Serving cell of living in the GSM frequency belong to same band limits and with portable terminal Serving cell of living in the GSM frequency do not belong to same band limits two parts.
10, method according to claim 8 is characterized in that, described network side can all be filled up to described GSM adjacent area frequency point information among system message 2,2bis, 2ter or 5,5bis, the 5ter, and this method further comprises:
Network side all is filled up to the GSM adjacent area frequency point information of sub-district, portable terminal place among system message 2,2bis, 2ter or 5,5bis, the 5ter, and system message 2,2bis, 2ter or 5,5bis, the 5ter that will fill in described GSM adjacent area frequency point information are handed down to portable terminal.
11, a kind of structure GSM neighbouring areas list method, system message 2,2bis, 2ter or 5,5bis, 5ter are used for filling in GSM adjacent area frequency point information, it is characterized in that, configuration-system message, be used for filling in system message 2,2bis, 2ter or 5,5bis, 5ter and fill in remaining GSM adjacent area frequency point information, this method also comprises:
The system message of system message 2,2bis, 2ter or 5,5bis, 5ter and described configuration that a, portable terminal reception network side issue reads the system message that is received, and parses the GSM adjacent area frequency point information of filling in institute's receiving system message;
B, portable terminal are arranged the GSM adjacent area frequency point information that parses and are constituted GSM Neighboring Cell List I from system message 2,2bis, 2ter or 5,5bis, 5ter, and arrange the GSM adjacent area frequency point information formation GSM Neighboring Cell List II that parses from the system message of described configuration;
C, portable terminal constitute the GSM Neighboring Cell List after GSM Neighboring Cell List II is placed on GSM Neighboring Cell List I.
12, method according to claim 11 is characterized in that, described configuration-system message comprises:
In system message 2quater or system message MI, increase the field that is used for filling in GSM adjacent area frequency point information; Or
The system message 2quintic or the system message 5quintic of 1024 circulation compression coding mode filling in GSM adjacent area frequency point information adopted in configuration.
13, method according to claim 11 is characterized in that, arranging the GSM adjacent area frequency point information that parses described in the step b from the system message of configuration is according in sequence ascending.
14, method according to claim 11 is characterized in that, the system message of described configuration comprises a plurality of examples, arranges the GSM adjacent area frequency point information formation GSM Neighboring Cell List II that parses described in the step b and comprise from the system message of configuration:
GSM adjacent area frequency point information in each example that comprises in the system message with described configuration becomes the GSM Neighboring Cell List of each example respectively according to ascending sequence arrangement, the GSM Neighboring Cell List of each example is arranged in GSM Neighboring Cell List II according to the ascending order of SI2 quater_COUNT.
15, a kind of structure GSM neighbouring areas list method, system message 2,2bis, 2ter or 5,5bis, 5ter are used for filling in GSM adjacent area frequency point information, it is characterized in that, configuration-system message, be used for filling in system message 2,2bis, 2ter or 5,5bis, 5ter and fill in remaining GSM adjacent area frequency point information, this method also comprises:
A ', network side are filled up to GSM adjacent area frequency point information in the system message of system message 2,2bis, 2ter or 5,5bis, 5ter and described configuration;
B ', network side are arranged the GSM adjacent area frequency point information that fills among system message 2,2bis, 2ter or 5,5bis, the 5ter and are constituted GSM Neighboring Cell List I, and the GSM adjacent area frequency point information of arranging in the system message that fills in described configuration constitutes GSM Neighboring Cell List II;
C ', network side constitute the GSM Neighboring Cell List after GSM Neighboring Cell List II is placed on GSM Neighboring Cell List I.
16, method according to claim 15 is characterized in that, described configuration-system message comprises: increase the field that is used for filling in GSM adjacent area frequency point information in system message 2quater or system message MI;
Described in the step a ' GSM adjacent area frequency point information is filled up in the system message of system message 2,2bis, 2ter or 5,5bis, 5ter and described configuration and comprises: earlier GSM adjacent area frequency point information is filled up among system message 2,2bis, 2ter or 5,5bis, the 5ter, will in system message 2,2bis, 2ter or 5,5bis, 5ter, fills in remaining GSM adjacent area frequency point information then and be filled up in the field that system message 2quater or system message MI increase;
Arranging GSM adjacent area frequency point information in the system message fill in configuration described in the step b ' constitutes GSM Neighboring Cell List II and comprises: fill in GSM adjacent area frequency point information in the field that system message 2quater or system message MI increase according to ascending sequence arrangement, constitute GSM Neighboring Cell List II.
17, method according to claim 15 is characterized in that, described configuration-system message comprises: the system message 2quintic or the system message 5quintic of 1024 circulation compression coding mode filling in GSM adjacent area frequency point information adopted in configuration;
Described in the step a ' GSM adjacent area frequency point information is filled up in the system message of system message 2,2bis, 2ter or 5,5bis, 5ter and described configuration and comprises; Earlier GSM adjacent area frequency point information is filled up among system message 2,2bis, 2ter or 5,5bis, the 5ter, will in system message 2,2bis, 2ter or 5,5bis, 5ter, fills in then among the system message 2quintic or system message 5quintic that remaining GSM adjacent area frequency point information is filled up to described configuration;
Arranging GSM adjacent area frequency point information in the system message fill in configuration described in the step b ' constitutes GSM Neighboring Cell List II and comprises: fill in GSM adjacent area frequency point information among system message 2quintic or the system message 5quintic according to ascending sequence arrangement, constitute GSM Neighboring Cell List II.
18, method according to claim 15 is characterized in that, the system message of described configuration comprises a plurality of examples, and the GSM adjacent area frequency point information formation GSM Neighboring Cell List II that arranges described in the step b ' in the system message that fills in configuration comprises:
GSM adjacent area frequency point information in each example that comprises in the system message with described configuration becomes the GSM Neighboring Cell List of each example respectively according to ascending sequence arrangement, the GSM Neighboring Cell List of each example is arranged in GSM Neighboring Cell List II according to the ascending order of SI2 quater_COUNT.
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