CN1241422C - Method for connecting mobile station into network in mobile communication system - Google Patents
Method for connecting mobile station into network in mobile communication system Download PDFInfo
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- CN1241422C CN1241422C CN 02117677 CN02117677A CN1241422C CN 1241422 C CN1241422 C CN 1241422C CN 02117677 CN02117677 CN 02117677 CN 02117677 A CN02117677 A CN 02117677A CN 1241422 C CN1241422 C CN 1241422C
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- travelling carriage
- access
- base station
- sign
- mobile communication
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Abstract
The present invention relates to a method for mobile stations being accessed to networks in mobile communication systems. The method comprises the following steps: firstly, a corresponding number of accessing marks are arranged according to the number of mobile stations allowed being accessed to by a base station; the mobile stations obtain the accessing marks and upload the accessing marks and the users' information thereof to the base station and an access request is carried out; the base station determines whether the mobile stations can be accessed to a communication network according to the information uploaded by the mobile stations and the accessing marks are retracted by the base station after the accessing process of the mobile stations is completed. The uniqueness of the accessing marks in the process of accessing the mobile stations causes the present invention to be capable of effectively limiting the number of users simultaneously accessed to a communication network, which lowers the probability of mutual collision among users in the process of accessing and simultaneously, reduces the interference of the information of users accessed to a network to users' signals in uplinks. Therefore, the method for mobile stations being accessed to networks in mobile communication systems provided by the present invention greatly enhances the performance of mobile communication systems and ensures the communication quality of mobile communication systems.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to the method for travelling carriage access network in a kind of mobile communication system.
Background technology
In mobile communication system, UE (user, i.e. travelling carriage) is to communicate by base station and network.When UE start back or in roaming, its top priority be exactly find network and and network in the base station get in touch, with the service of acquisition mobile communications network.Therefore, the behavior of UE is vital for UE under the idle pulley.
At present, in WCDMA (Wideband Code Division Multiple Access (WCDMA)) mobile communication system UE be find by following process network and and network in the base station get in touch, as shown in Figure 1:
Step (1): in RACH (Random Access Channel) groups of subchannels of the base station of selecting, derive available up access slot;
Step (2): for the ASC (access service grade) that stipulates selects a Signature at random from available identification Signature (signal) sign, and:
Prefix retransmission count " Preamble_Retrans_Max " is set;
Prefix through-put power " Preamble_Initial_Power " is set;
Step (3): utilize up access slot, identification Signature sign, the prefix transmission power parameters selected to transmit a prefix and insert signal;
Step (4): in the corresponding down link access slot of up link access slot of detection and selection, whether there be the catch indicated value relevant with the identification Signature sign of selecting, if existence, execution in step (5), otherwise, execution in step (6);
Step (5): determine that travelling carriage whether can accessing mobile communication network, execution in step (7) according to the indicated value of catching that identification Signature sign detected and that select is relevant;
Step (6): in allowing the number of times scope that inserts, reselect a up link access slot as available access slot; Select the Signature sign; Increase the prefix through-put power, transmit prefix once more and insert signal, execution in step (4);
Step (7): finish and withdraw from random access procedure.
Can see from above-mentioned UE access procedure, UE all in the sub-district can initiate access procedure in selected any moment, to improve constantly the power that inserts the preamble sign indicating number if insert unsuccessful words for the first time, like this for FDD (frequency division multiple access) system, particularly will cause the conflict of big probability to produce for the up channel of TDD (time division duplex) system when a plurality of UE shares a up channel (if), and the power that is used for prefix access signal in this time slot is bigger, if a plurality of users this moment pass Preamble simultaneously and insert signal, will produce serious disturbance to the data of this slot transmission.Therefore just need to use a kind of controlling mechanism, be limited in the number of users that to initiate to insert in the time slot.
Summary of the invention
The method that the purpose of this invention is to provide travelling carriage access network in a kind of mobile communication system, the number of users with control while access network makes system have rational uplink transmission power, thereby guarantees the service quality in the mobile communications network.
The object of the present invention is achieved like this: the method for travelling carriage access network in the mobile communication system comprises:
(1) allow the travelling carriage number of access that the access sign of respective numbers is set according to the base station;
(2) base station is identified at access in the corresponding cell range and sends;
(3) travelling carriage obtains and inserts sign, and will insert and identify and the user profile of travelling carriage is uploaded to the base station, inserts request;
(4) information uploaded according to travelling carriage of base station determines whether travelling carriage can insert, if can insert, and execution in step (5) then, otherwise, execution in step (3);
(5) make this travelling carriage in this sub-district, communicate.
Described step (3) comprising:
(21) travelling carriage selects one to insert sign at random;
(22) user ID and this access sign with travelling carriage is uploaded to the base station.
Described step (2) is: the base station is adopted the mode of broadcasting that access is identified in the corresponding cell range and is sent.
Described step (3) comprising:
(41) travelling carriage is determined an access sign from this cell base station;
(42) user ID and this access sign with travelling carriage is uploaded to the base station.
Described step (4) comprising:
(51) the request access information uploaded of base station receiving mobile;
(52) according to the request access information that receives, judge that whether this travelling carriage is the travelling carriage of using signal power maximum in the travelling carriage that same access sign inserts, if maximum, execution in step (53) then, otherwise, execution in step (54);
(53) allow this travelling carriage to use this access sign access network;
(54) forbid that this travelling carriage uses this access sign access network, and make this travelling carriage reenter the access request process.
Described step (5) comprising:
(61) the access sign of this travelling carriage access network being used is converted into the identity code that travelling carriage is communicated by letter in the sub-district;
(62) travelling carriage is used this identity code and communicate Business Processing in the sub-district, and should insert sign and send the base station back to.
Described step (61) is: sew the identity code of parameter m as travelling carriage respectively after the access sign of this travelling carriage, the value of m is 1,2 ..., M inserts the sign total amount in open ended number of users/sub-district, M=sub-district.
By above-mentioned prior art scheme as can be seen: the present invention has adopted a kind of method that identification means communicates network insertion that inserts of using, UE obtains one and inserts the sign back this accesss identification information and UE identification information are uploaded to NodeB (base station), and NodeB selects the good user of signal quality to permit access after receiving the information that UE uploads.Each user fixes and uses to insert a sign in access procedure, and in this user's access procedure, this inserts and identifies not broadcast transmission in cell range again.The present invention has reduced the probability of the mutual collision in access procedure between the user, has also limited simultaneously at synchronization and has sent the quantity that inserts signal; Reduce the quantity of up transmitting channel, just can reduce up gross power; Reduced the gross power uploaded, then can reduce in the up link user access network information the interference of subscriber signal.Use the present invention can also control the number of users of access communications network simultaneously, to reduce the phase mutual interference between each user in the up link in the sub-district.Therefore, the method for travelling carriage access network has improved the performance of mobile communication system widely in the mobile communication system provided by the present invention, has guaranteed the communication quality in the mobile communication system.
Description of drawings
Fig. 1 is the process that travelling carriage inserts Mobile Communication's communication network in the existing WCDMA system;
Fig. 2 is the process of travelling carriage accessing mobile communication network among the present invention.
Embodiment
The embodiment of the method for travelling carriage access network is described below in conjunction with the accompanying drawings in the mobile communication system of the present invention, referring to Fig. 2:
Step 1: allow the travelling carriage number of access that the access sign of respective numbers is set according to the base station;
The travelling carriage number that the base station allows to insert is to be determined by the ascending resource number in the base station cell, the corresponding travelling carriage that permission inserts of each ascending resource, and each allows the access of corresponding this base station cell of travelling carriage of access to identify;
Insert sign and can be a serial number;
Step 2: operable access sign is broadcasted in the base station in cell range, inserts sign to make things convenient for travelling carriage to obtain, and inserts request;
Step 3: when travelling carriage needs accessing mobile communication network, just receive the operable access sign that broadcast the base station in cell range;
Step 4: travelling carriage judges whether there is operable access sign in the information that receives, if exist, and execution in step 5, otherwise, execution in step 3;
Step 5: after the access sign of travelling carriage reception base station broadcast, select one to insert sign at random;
Step 6: travelling carriage is uploaded to the base station with oneself user ID and this access sign, inserts request;
Step 7: the request access information that the base station receiving mobile is uploaded;
Step 8: according to the request access information that receives, judge whether this travelling carriage is to use the travelling carriage that same access identifies signal power maximum in the travelling carriage that inserts, if maximum, then execution in step 9, otherwise, execution in step 10;
Step 9: allow this travelling carriage to use this access sign access network, execution in step 11;
Step 10: forbid that this travelling carriage uses this access sign access network, and make this travelling carriage reenter the access request process, execution in step 3;
Step 11: the access sign that this travelling carriage access network is used is converted into the identity code that travelling carriage is communicated by letter in the sub-district;
Promptly sew the identity code of parameter m as travelling carriage respectively after the access sign of this travelling carriage, the value of m is 1,2 ..., M inserts the sign total amount in open ended number of users/sub-district, M=sub-district;
Step 12: travelling carriage is used this identity code and communicate Business Processing in the sub-district; Value for the user m that uses same access sign to insert is different, for example first m value of using this access to identify the user who inserts is 1, then second m value of using this access to identify the user who inserts is 2, and the like, so the travelling carriage identity code that they are formed also is unique in the base station cell scope, can be as the identification in the communication process.Travelling carriage should insert sign and send the base station back to simultaneously, and request in cell range broadcasting, is inserted to offer other travelling carriage after regaining this access sign again in the base station.
Through behind the said process, travelling carriage can accessing mobile communication network in, and can in communication network, communicate professional processing.The present invention has limited the total amount that inserts travelling carriage in the base station cell effectively, has guaranteed the communication quality in the sub-district.
Claims (7)
1, the method for travelling carriage access network in a kind of mobile communication system comprises:
(1) allow the travelling carriage number of access that the access sign of respective numbers is set according to the base station;
(2) base station is identified at access in the corresponding cell range and sends;
(3) travelling carriage obtains and inserts sign, and will insert and identify and the user profile of travelling carriage is uploaded to the base station, inserts request;
(4) information uploaded according to travelling carriage of base station determines whether travelling carriage can insert, if can insert, and execution in step (5) then, otherwise, execution in step (3);
(5) make this travelling carriage in this sub-district, communicate.
2, the method for travelling carriage access network in the mobile communication system according to claim 1 is characterized in that described step (3) comprising:
(21) travelling carriage selects one to insert sign at random;
(22) user ID and this access sign with travelling carriage is uploaded to the base station.
3, the method for travelling carriage access network in the mobile communication system according to claim 1 is characterized in that described step (2) is: the base station is adopted the mode of broadcasting that access is identified in the corresponding cell range and is sent.
4, the method for travelling carriage access network in the mobile communication system according to claim 1 is characterized in that described step (3) comprising:
(41) travelling carriage is determined an access sign from this cell base station;
(42) user ID and this access sign with travelling carriage is uploaded to the base station.
5,, it is characterized in that described step (4) comprising according to the method for travelling carriage access network in claim 1, the 2 or 4 described mobile communication system:
(51) the request access information uploaded of base station receiving mobile;
(52) according to the request access information that receives, judge that whether this travelling carriage is the travelling carriage of using signal power maximum in the travelling carriage that same access sign inserts, if maximum, execution in step (53) then, otherwise, execution in step (54);
(53) allow this travelling carriage to use this access sign access network;
(54) forbid that this travelling carriage uses this access sign access network, and make this travelling carriage reenter the access request process.
6, the method for travelling carriage access network in the mobile communication system according to claim 1 is characterized in that described step (5) comprising:
(61) the access sign of this travelling carriage access network being used is converted into the identity code that travelling carriage is communicated by letter in the sub-district;
(62) travelling carriage is used this identity code and communicate Business Processing in the sub-district, and should insert sign and send the base station back to.
7, the method for travelling carriage access network in the mobile communication system according to claim 6, it is characterized in that described step (61) is: after the access sign of this travelling carriage, sew the identity code of parameter m respectively as travelling carriage, the value of m is 1,2, M inserts the sign total amount in open ended number of users/sub-district, M=sub-district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02117677 CN1241422C (en) | 2002-05-14 | 2002-05-14 | Method for connecting mobile station into network in mobile communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02117677 CN1241422C (en) | 2002-05-14 | 2002-05-14 | Method for connecting mobile station into network in mobile communication system |
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| CN1458800A CN1458800A (en) | 2003-11-26 |
| CN1241422C true CN1241422C (en) | 2006-02-08 |
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| CN 02117677 Expired - Fee Related CN1241422C (en) | 2002-05-14 | 2002-05-14 | Method for connecting mobile station into network in mobile communication system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2006011224A1 (en) * | 2004-07-30 | 2008-05-01 | 三菱電機株式会社 | Base station of mobile radio communication system, mobile device, and regulation control method for mobile radio communication system |
| CN100407865C (en) * | 2005-05-15 | 2008-07-30 | 华为技术有限公司 | Method, system and apparatus for controlling, trapping and indicating channel transmitting power |
| ES2428388T5 (en) | 2006-01-18 | 2017-06-21 | Huawei Technologies Co., Ltd. | Method and system for synchronization in a communication system |
| CN101146075B (en) * | 2006-09-13 | 2010-08-04 | 华为技术有限公司 | An access method |
| FR2907302A1 (en) * | 2006-10-17 | 2008-04-18 | France Telecom | METHOD AND SYSTEM FOR USER CUSTOM MOBILITY IN A MOBILE COMMUNICATION SYSTEM |
| CN101170507B (en) * | 2007-11-14 | 2010-09-29 | 中兴通讯股份有限公司 | Asynchronous concurrent processing method |
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