CN101009909A - A method for improving the access effect of the personal wireless phone system - Google Patents
A method for improving the access effect of the personal wireless phone system Download PDFInfo
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- CN101009909A CN101009909A CNA2006100017135A CN200610001713A CN101009909A CN 101009909 A CN101009909 A CN 101009909A CN A2006100017135 A CNA2006100017135 A CN A2006100017135A CN 200610001713 A CN200610001713 A CN 200610001713A CN 101009909 A CN101009909 A CN 101009909A
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Abstract
The provided method to improve access effect of personal wireless telephone system comprises: a. according to BS power type and BS self type, pre-setting the BS selection strategy; b. recording former type data in BS-sent honeycomb BS mark; c. receiving BS control channel signal by phone, and generating the BS selection table according to BS power and BS self types; and d. querying the type data in table to select the access BS as the selection strategy. This invention just needs updating software, decreases interference among BS, and improves network performance.
Description
Technical field
The present invention relates to the method for network access technical field of telecommunications wireless mobile apparatus terminal, particularly a kind of method for network access that utilizes the cellular basestation sign to improve the wireless mobile apparatus terminal of personal wireless phone system access effect.
Background technology
Personal wireless phone system (PHS, Personal Handy Phone System) can provide cheap wireless service business, obtained to develop rapidly, and the user has broken through 5,000 ten thousand.
According to the power difference, it is several that the PHS base station is divided into 500 milliwatts, 200 milliwatts, 20 milliwatts.The purpose of releasing the different capacity base station is as follows: main covering is done in 500 milliwatts, the high-power base station of 200 milliwatts, reduces networking cost, suitably increases by 20 milliwatt base stations, reduces the mutual interference of looking younger between the base station; Do not cover the blind area in the high-power base station of covering, improve coverage effect;
Operator finds that in networking the different capacity base station absorbs the traffic capabilities difference, and base station power is big more, and it is strong more to absorb traffic capabilities, and the small-power base station absorbs less than traffic.Therefore, operator throws doubt upon to different capacity base station mixed networking, utilizes high-power base station networking outdoor, and little base station applies is to indoor, but has following problem:
1) high-power BTS channel is limited, and the mobile phone that makes a call is too much, and the resource probability height that hurries causes the mobile phone connecting time long, and the busy refusal of continuous resource causes the mobile phone call loss easily.
2) at high telephone traffic region, high-power base station signal coverage is big, and the phase mutual interference is big, and switching is many, the cutting off rate height.
3) the little base station of indoor covering does not have and improves the covering effect, and mobile phone often accounts for outdoor big base station, but signal fluctuation is big, switches many call drops easily.
The thinking that operator overcomes the above problems: at outdoor adjustment aerial angle, at the indoor distributed covering system of indoor popularization, the cost height is because the communication environments of Pico cell complexity is difficult to obtain good effect.
Problem produces reason and is handset-selected base station strategy, and mobile phone can't obtain base station power and applied environment information in the system at present, can only obtain base station signal strength information, can only blindly select the base station according to base station signal strength, causes following problem to occur:
1) the strong coverage of high-power base station signal is big, and is big by handset-selected probability, and it is strong to absorb traffic capabilities; The small-power coverage is little, and is little by handset-selected probability, absorbs less than traffic.
2) the strong coverage of high-power signal is big, causes that probability of interference is big mutually between the base station.
3) high-powerly be penetrated into indoor interference handset and select base station, the little base station of indoor covering, but signal fluctuation is big, causes switching increasing, call drop is many.
Summary of the invention
Technical problem to be solved by this invention is, a kind of method of improving the personal wireless phone system access effect is provided, utilize cellular basestation sign (CSID, Cell Station Identification) record base station power type and base station type, mobile phone is according to base station power type and base station type choose reasonable base station, make traffic rationally be distributed to different base station, reduce the phase mutual interference, improve the PHS network overlapping effect.
For solving the problems of the technologies described above, the invention provides a kind of method of improving the personal wireless phone system access effect, may further comprise the steps:
A. according to base station power type and base station type, preset base station selected strategy;
B. base station power type and base station type are write down in the base station in the cellular basestation sign of its transmission;
C. mobile phone receives the base stations control channel signal, and the base station power type and the base station type of cellular basestation identification record in the identification signal generate base station selected class table according to base station power type and base station type;
D. the type that writes down in the base station selected class table of mobile phones enquiring is determined selected base station according to base station selected strategy, and inserts selection of base stations.
The method that the present invention improves the personal wireless phone system access effect is carried out software upgrading to base station and mobile phone and can be realized.Use the inventive method, can utilize CSID record base station power type and base station type, solve problems such as traffic irrational distribution between the different capacity base station, mobile phone continuous resource are busy, call loss, can reduce of the interference of outdoor coverage base station, improve the network performance and the network overlapping effect of personal wireless phone system indoor covering system.
Description of drawings
Fig. 1 expands structural table according to the embodiment of the invention described public network CSID structure and added bit;
Fig. 2 is according to the described base station type label table of the embodiment of the invention;
Fig. 3 is according to the described base station power type identification of embodiment of the invention table;
Fig. 4 is according to the described method flow diagram that improves the personal wireless phone system access effect of the embodiment of the invention;
Fig. 5 is for generating the schematic flow sheet of base station selected class table according to the described mobile phone of the embodiment of the invention;
Fig. 6 is the schematic flow sheet according to the described handset-selected base station of the embodiment of the invention.
Embodiment
As shown in Figure 1, for expanding structural table according to the embodiment of the invention described public network CSID structure and added bit.
For unit carries out called paging and user's registration management, for fast notification mobile phone PA information, system takes to increase at the control channel Frame mode of CSID with paging zone (PA, Paging Area) in the PHS system, and per 100 milliseconds of transmissions once.
CSID is the sign of base station, is used to identify the base station, is made up of 42 bits.Paging zone length among the CSID (Paging Area Number Length) is by wireless channel broadcast notice mobile phone, and paging zone length is identical in each base station broadcast message in whole network.Because PHS network PA is not very big, public network CSID adopts 16 bit paging zone length mark paging zones.Wherein, length 9 bits are known by operator, paging zone sign length 16 bits, GPS synchronization length 1 bit whether, added bit length 15 bits, synchronization levels length 2 bits.
The embodiment of the invention adopts the method for similar PA notice, can fast notification cellular base station power and applied environment information by CSID, utilize in additional 15 bits 5 bit identification base station classes with and power.Wherein added bit is expanded CSID operator and is known length 9 bits, paging zone sign length 16 bits, GPS synchronization length 1 bit whether, base station type 2 bits, base station power type 3 bits, added bit length 10 bits, synchronization levels length 2 bits.
As shown in Figure 2, for according to the described base station type label table of the embodiment of the invention, the implication of each base station type sign is respectively in the table: sign " 00 " expression keeps, the outer coverage base station of sign " 01 " agent's room, coverage base station in " 10 " agent's room, " 11 " represent indoor distributed covering system.
As shown in Figure 3, for according to the described base station power type identification of embodiment of the invention table, the implication of each base station power type identification is respectively in the table: " 000 ", " 001 ", " 011 ", " 110 ", " 111 " expression keep, on behalf of 20 milliwatts, " 100 ", " 010 " represent 200 milliwatts, and " 101 " represent 500 milliwatt base station power types.
As shown in Figure 4, for according to the described method flow diagram that improves the personal wireless phone system access effect of the embodiment of the invention, at first,, preset base station selected strategy (step 401) according to base station power type and base station type; Base station power type and base station type (step 402) are write down in the base station in the cellular basestation sign of its transmission then; Mobile phone receives the base stations control channel signal, and the base station power type and the base station type of cellular basestation identification record in the identification signal generate base station selected class table (step 403) according to base station power type and base station type; The type that writes down in the base station selected class table of mobile phones enquiring is determined selected base station according to base station selected strategy, and inserts selection of base stations (step 404).
Wherein, base station selected strategy can be set to:
(1) when having indoor coverage base station in the base station selected class table, select indoor coverage base station, otherwise, carry out next step;
(2) when having indoor distributed covering system in the base station selected class table, select indoor distributed covering system, otherwise, carry out next step;
(3) when having the outdoor coverage base station of 20MW in the base station selected class table, select the outdoor coverage base station of 20MW, otherwise, carry out next step;
(4) when having the outdoor coverage base station of 200MW in the base station selected class table, select the outdoor coverage base station of 200MW, otherwise, carry out next step;
(5) select the high-power outdoor coverage base station that exists in other base station selected class tables.
As shown in Figure 5, for generate the schematic flow sheet of base station selected class table according to the described mobile phone of the embodiment of the invention, may further comprise the steps:
(step 501) mobile phone receives base stations control channel (CCH, Control CHannel) signal when standby.
(step 502) handset-selected CCH signal strength signal intensity satisfies the standby level base station.
(step 503) mobile phone is analyzed the base station type power according to CSID and is formed base station selected class table.
As shown in Figure 6, the schematic flow sheet for according to the described handset-selected base station of the embodiment of the invention may further comprise the steps:
(step 601) mobile phone makes a call.
(step 602) mobile phone has judged whether that according to station list base station type is indoor coverage base station, if carry out next step; Otherwise judged whether that base station type is indoor distributed covering system, if select indoor distributed covering system, otherwise forward step (504) to;
(step 603) carries out the base station selected strategy of indoor environment;
(step 604) carries out the base station selected strategy of outdoor environment.
Claims (7)
1, a kind of method of improving the personal wireless phone system access effect is characterized in that, may further comprise the steps:
A. according to base station power type and base station type, preset base station selected strategy;
B. base station power type and base station type are write down in the base station in the cellular basestation sign of its transmission;
C. mobile phone receives the base stations control channel signal, and the base station power type and the base station type of cellular basestation identification record in the identification signal generate base station selected class table according to base station power type and base station type;
D. the type that writes down in the base station selected class table of mobile phones enquiring is determined selected base station according to base station selected strategy, and inserts selection of base stations.
According to the described method of claim 1, it is characterized in that 2, base station selected strategy comprises among the described step a:
(1) when having indoor coverage base station in the base station selected class table, select indoor coverage base station, otherwise, carry out next step;
(2) when having indoor distributed covering system in the base station selected class table, select indoor distributed covering system, otherwise, carry out next step;
(3) when having the outdoor coverage base station of 20MW in the base station selected class table, select the outdoor coverage base station of 20MW, otherwise, carry out next step;
(4) when having the outdoor coverage base station of 200MW in the base station selected class table, select the outdoor coverage base station of 200MW, otherwise, carry out next step;
(5) select the high-power outdoor coverage base station that exists in other base station selected class tables.
According to the described method of claim 1, it is characterized in that 3, described step b is to adopt added bit expansion technology, record base station power and base station type in the cellular basestation sign.
4, according to the described method of claim 3, it is characterized in that described added bit expansion technology is meant: the added bit record of 15 bits in the public network cellular basestation sign is changed to 2 bit base station types record, 3 bit base station powers record and 10 bit added bit records.
According to the described method of claim 1, it is characterized in that 5, among the described step a, the base station power type comprises: 10 milliwatts, 20 milliwatts, 40 milliwatts, 200 milliwatts, 500 milliwatts, 1 watt and 2 watts of base station power types.
According to the described method of claim 1, it is characterized in that 6, among the described step a, base station type comprises: outdoor coverage base station, indoor coverage base station and indoor distributed covering system.
According to the described method of claim 1, it is characterized in that 7, the described mobile phone of step c receives the step of base stations control channel signal, is to receive the base stations control channel signal when the standby by mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100017135A CN100455123C (en) | 2006-01-23 | 2006-01-23 | A method for improving the access effect of the personal wireless phone system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100017135A CN100455123C (en) | 2006-01-23 | 2006-01-23 | A method for improving the access effect of the personal wireless phone system |
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| CN101009909A true CN101009909A (en) | 2007-08-01 |
| CN100455123C CN100455123C (en) | 2009-01-21 |
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| CNB2006100017135A Expired - Fee Related CN100455123C (en) | 2006-01-23 | 2006-01-23 | A method for improving the access effect of the personal wireless phone system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101932139A (en) * | 2009-06-26 | 2010-12-29 | 中兴通讯股份有限公司 | Method and system for indicating and acquiring type of base station |
| CN101521923B (en) * | 2009-04-16 | 2011-04-13 | 华为技术有限公司 | Base station switching method and device |
| WO2011085546A1 (en) * | 2010-01-13 | 2011-07-21 | 上海贝尔股份有限公司 | Method and device in user terminal for selecting access base station |
| CN101557653B (en) * | 2008-04-10 | 2012-12-19 | 中兴通讯股份有限公司 | Selection method of base station and transmission method of base station type information |
| US9113394B2 (en) | 2010-01-08 | 2015-08-18 | Zte Corporation | Method for indicating CSG ID, method for indicating base station type, and method for obtaining CSG ID indication |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2933570B2 (en) * | 1997-06-19 | 1999-08-16 | 日本電気アイシーマイコンシステム株式会社 | Cordless telephone system and its parent device and child device |
| JP4299082B2 (en) * | 2002-10-18 | 2009-07-22 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile station, mobile communication system, and cell selection method |
| CN1293773C (en) * | 2003-03-26 | 2007-01-03 | 联想(北京)有限公司 | Method for dynamically regulating radio local area network base station cut-in point coverage |
| CN100373979C (en) * | 2004-03-17 | 2008-03-05 | Ut斯达康通讯有限公司 | Method of selecting base station of mobile terminal in radio communication system and moble terminal and system for realizing such method |
-
2006
- 2006-01-23 CN CNB2006100017135A patent/CN100455123C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557653B (en) * | 2008-04-10 | 2012-12-19 | 中兴通讯股份有限公司 | Selection method of base station and transmission method of base station type information |
| CN101521923B (en) * | 2009-04-16 | 2011-04-13 | 华为技术有限公司 | Base station switching method and device |
| CN101932139A (en) * | 2009-06-26 | 2010-12-29 | 中兴通讯股份有限公司 | Method and system for indicating and acquiring type of base station |
| WO2010149070A1 (en) * | 2009-06-26 | 2010-12-29 | 中兴通讯股份有限公司 | Method for indicating type of base station, method and system for obtaining type of base station |
| US9113394B2 (en) | 2010-01-08 | 2015-08-18 | Zte Corporation | Method for indicating CSG ID, method for indicating base station type, and method for obtaining CSG ID indication |
| WO2011085546A1 (en) * | 2010-01-13 | 2011-07-21 | 上海贝尔股份有限公司 | Method and device in user terminal for selecting access base station |
| CN102577585A (en) * | 2010-01-13 | 2012-07-11 | 上海贝尔股份有限公司 | Method and device in user terminal for selecting access base station |
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|---|---|
| CN100455123C (en) | 2009-01-21 |
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