CN1951144B - Method of providing information of neighbor base station by mobile subscriber station in broadband wireless access system - Google Patents
Method of providing information of neighbor base station by mobile subscriber station in broadband wireless access system Download PDFInfo
- Publication number
- CN1951144B CN1951144B CN2005800147734A CN200580014773A CN1951144B CN 1951144 B CN1951144 B CN 1951144B CN 2005800147734 A CN2005800147734 A CN 2005800147734A CN 200580014773 A CN200580014773 A CN 200580014773A CN 1951144 B CN1951144 B CN 1951144B
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- base station
- information
- adjacent base
- serving
- mobile subscriber
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
A method of providing neighbor base station information via a mobile subscriber station in a broadband wireless access system is disclosed. In providing neighbor base station information to a serving base station from a mobile subscriber station in a broadband wireless access system, the present invention includes the steps of performing a scanning and a synchronization on a mobile base station based on information provided from the serving base station and transmitting the neighbor base station information acquired from the scanning and the synchronization to the serving base station regardless of a presence or non-presence of a request from the serving base station. Accordingly, the present invention can efficiently transmit the neighbor base station signal intensity and frame information acquired by the mobile subscriber station.
Description
Technical field
The present invention relates to BWA; And more specifically; Relate in BWA through the method for mobile subscriber station through adjacent base station information; Wherein mobile subscriber station obtains the signal strength signal intensity and the frame information of adjacent base station, with to the information that is just obtaining in the serving base station transmission.
Background technology
Fig. 1 is to just in the method for serving base station transmission adjacent base station information according to the mobile subscriber station of prior art.
See Fig. 1, mobile subscriber station (MSS) 11 is measured the signal of adjacent base station 12 and 13, then to just transmitting corresponding results in serving base station 14.In this process, mobile subscriber station is just to just in the information of serving base station transmission measurement when existing from the request at serving BS just.
That is,, just should ask from the information of mobile subscriber station transmission adjacent base station in serving base station in order to know the downlink channel status between adjacent base station and mobile subscriber station.And mobile subscriber station uses the information of corresponding transmission of messages adjacent base station.
Yet, do not provide as yet from the method for mobile subscriber station transmission adjacent base station information.
For example, mobile subscriber station is according to the instruction transmission measurement report of base station.In the situation of the frame information of collecting adjacent base station, all mobile subscriber stations can provide frame information according to the request that the base station is made.But, collect from mobile subscriber station the situation of frame information of adjacent base station in the base station with handover or scan event, the base station possibly take place to be sought and collected the mobile subscriber station of up-to-date information so that inquire up-to-date information.In addition, do not determine mobile subscriber station to use which kind of message to just transmitting adjacent base station information in serving base station yet.
Summary of the invention
Therefore, the present invention relates in BWA to provide through mobile subscriber station the method for adjacent base station information, it has avoided the restriction of prior art and one or more problems that shortcoming causes basically.
The purpose of this invention is to provide a kind of method that adjacent base station information is provided through mobile subscriber station in BWA.Through this method, mobile subscriber station is to the information relevant with adjacent base station that is just obtaining in the serving base station transmission.
Explain in the explanation below of supplementary features of the present invention and advantage that part wherein is visible from this explanation to be significantly, perhaps can acquire through enforcement of the present invention.Structure through going out in specification and claim and views can realize the object of the invention and other advantages.
In order to obtain these with other advantages and according to purposes of the present invention; Shown in embodiment with broad description; The present invention provide a kind of in BWA through using adjacent base station information to carry out the method for handover, said method comprises step: carry out the scanning of mobile base station based on the information that provides from serving BS with synchronously; Be necessary in decision to send handoff request message to serving BS under the situation of handover; No matter the transmission of said handoff request message, to said serving BS transmission specific messages, it comprises the said adjacent base station information from said scanning and said synchronization gain; Receive the information of the target BS of recommending handover from said serving BS; And ask to discharge service from said serving BS, and implementing the handover of the target BS of being recommended, wherein said specific messages comprises identifier information and the carrier wave and the information of interface noise than (CINR) value of each adjacent base station.
Preferably, specific information comprises medium access control (MAC) administrative messag.
In order further to obtain these with other advantages and according to purposes of the present invention; The present invention provide a kind of in BWA through using adjacent base station information to carry out the method for handover, said method comprises step: allow mobile subscriber station to receive the cyclical information of the signal strength signal intensity of report adjacent base station from serving BS; Through scanning and synchro measure corresponding to the signal strength signal intensity of the reception of at least one adjacent base station; Be necessary in decision to send handoff request message to serving BS under the situation of handover; No matter the transmission of said handoff request message is transmitted said measured signal strengths information according to this circulation to said serving BS through specific messages; Receive the information of the target BS of recommending handover from said serving BS; And ask to discharge service from said serving BS, and implementing the handover of the target BS of being recommended, wherein said specific messages comprises identifier information and the carrier wave and the information of interface noise than (CINR) value of each adjacent base station.
In order further to obtain these and other advantages; And according to purposes of the present invention; The present invention provide a kind of in BWA through using adjacent base station information to carry out the method for handover, said method comprises step: the scanning from adjacent base station to said mobile subscriber station transmission that will carry out and the information of sync section; Be necessary in decision to send handoff request message to serving BS under the situation of handover; Regardless of the transmission of said handoff request message, be used to transmit the specific messages of adjacent base station information, receive said adjacent base station information from said mobile subscriber station; Send the QoS parameter that is used to provide lasting service to adjacent base station; Receive the information whether said service quality can be provided from adjacent base station; Send the information of the target BS of recommending handover to mobile subscriber station; Receive the service of release to carry out the request of handover from mobile subscriber station, wherein said specific messages comprises identifier information and the carrier wave and the information of interface noise than (CINR) value of each adjacent base station.
Should be understood that above-mentioned explanation and following detailed description are exemplary, be to provide claim said further explanation of the present invention.
Brief Description Of Drawings
The accompanying drawing that comprises is used to provide further understanding of the present invention, in conjunction with constituting its part in this manual, the embodiment of the invention is shown, and explains principle of the present invention with explanation.In the accompanying drawings:
Fig. 1 is to just at the method sketch map of serving base station transmission adjacent base station information according to the mobile subscriber station of prior art;
Fig. 2 is the flow chart of the adjacent base station information method for reporting of mobile subscriber station;
Fig. 3 is the flow chart according to the adjacent base station information method for reporting of the mobile subscriber station of an embodiment;
Fig. 4 is the flow chart according to the adjacent base station information method for reporting of the mobile subscriber station of another embodiment;
Fig. 5 is the flow chart according to the neighbor base station signal intensity transmission method of prior art;
Fig. 6 is the flow chart according to the neighbor base station signal intensity transmission method of an embodiment; And
Fig. 7 is the flow chart of neighbor base station signal intensity transmission method according to another embodiment of the present invention.
Embodiment
Specify the present invention with regard to the embodiment of the invention information shown in the accompanying drawing below.
Fig. 2 is the flow chart of the adjacent base station information method for reporting of mobile subscriber station.
See Fig. 2, just transmit information (S211) to the mobile subscriber station in the zone with the forms of broadcasting about adjacent base station in serving base station.
Mobile subscriber station carries out the scanning of adjacent base station with (S211 S212), obtains neighbor base station signal intensity and frame information (S213) then synchronously.Exist from (S214) in the situation in the adjacent base station information request of serving base station just, mobile subscriber station is to just in the information (S215) of serving base station transmission adjacent base station.
In order to be connected the base station that its position has the peak signal size, mobile subscriber station is according to the signal strength signal intensity of just measuring adjacent base station in the instruction of serving base station.Therefore, when measuring the adjacent base station signal, find to satisfy and equate with predetermined reference or during than the base station of its big signal magnitude, mobile subscriber station is to the information that measurement just is provided in serving base station.
Fig. 3 is the flow chart according to the adjacent base station information method for reporting of the mobile subscriber station of an embodiment.
See Fig. 3, just transmit information to the mobile subscriber station in the zone with the forms of broadcasting about adjacent base station in serving base station.
Mobile subscriber station carries out the scanning of adjacent base station, and (S312 S313), obtains the signal strength signal intensity (CINR: carrier wave and interface noise ratio) and the frame information (S314) of adjacent base station then with synchronously.The mobile subscriber station storage is measured the adjacent base station information that obtains through this.Then, no matter from just in the request of serving base station, mobile subscriber station is to just in serving base station report measurement result.Particularly, to just in the situation of serving base station transmission handoff request message (S315), mobile subscriber station can be before the transmission handoff request message with afterwards to just at serving base station transmission this measurement report (S316).
The example that adjacent base station information gives information shown in the table 1.
[table 1]
| The syntax | Size | Note |
| MSS-NBR-REP_Message_Format(){ | ||
| ?Management?Message?Type＝? | 8 | |
| N_NEIGHBORS | 24 | |
| For(j＝0；j＜N_NEIGHBORS；j++){ | ||
| Neighbor?BS-ID | 48 | |
| Physical?Frequency | 32 | |
| TLV?Encoded?Neigbor?Information | Variable | RLV is specific |
| } | ||
| } |
Fig. 4 is the flow chart according to the adjacent base station information method for reporting of the mobile subscriber station of another embodiment.
See Fig. 4, in case open the power supply of mobile subscriber station, mobile subscriber station is from just receiving the information (S412) in the cycle that starts scanning neighbor base stations at serving base station receiving neighbor bs information (S411) with from adjacent base station.
The mobile subscriber station tunes to adjacent base station (target BS) synchronously, and picked up signal intensity and frame information (S414).Be necessary in the situation of handover that based on measured signal strengths decision the mobile subscriber station request is from just at serving base station handover (S415).
Before or after handover, mobile subscriber station is to just in the serving base station transmission information (S416) from the adjacent base station of tuning synchronization gain to adjacent base station.Can pass through MAC (medium access control) administrative messag and transmit adjacent base station information.
Just in the request of serving base station, the service quality that continues service (below abbreviation QoS) parameter (S417) is provided to the adjacent base station transmission according to mobile subscriber station.Whether the adjacent base station notice just can provide QoS (S418) in serving base station.
Just at serving BS according to the response that receives from adjacent base station, recommend to carry out to mobile subscriber station handover handover target BS (target BS) (S419).The mobile subscriber station request that receives the handoff target base station recommendation information is from just discharging service (S420) at serving BS.Handoff target base station provides uplink message (S421) and carries out the network re-registration process to the mobile subscriber station that has carried out handover.
At BWA, the base station of inserting is through the information of broadcast to the notice of the mobile subscriber station in sub-district adjacent base station.Do like this, the message that the mobile subscriber station of having measured the signal strength signal intensity of adjacent benchmark can pass through to ask handover is to just transmitting adjacent base station information in serving base station.
Fig. 5 is the flow chart according to the neighbor base station signal intensity transmission method of prior art.
See Fig. 5, just transmit in order to transmit the cyclical information of neighbor base station signal intensity (S511) to mobile subscriber station in serving base station.
The scanning that mobile subscriber station carries out adjacent base station with synchronously (S112, S113).The mobile subscriber stands in the signal strength signal intensity (S114) of measuring adjacent base station in scanning and the Synchronous Processing.Mobile subscriber station uses handoff request message then, through circulation from just coming in serving base station transmission, to just the signal strength information of serving base station transmission adjacent base station (S115, S116).
According to the method for above-mentioned explanation, to the signal strength measurement at serving base station periodic transfer adjacent base station just the time, mobile subscriber station uses handoff request message transmission measurement information.Therefore, when the signal strength signal intensity of cycle report adjacent base station, use handoff request message, and its hand-off request made from mobile subscriber station is difficult to differentiation.So the base station need keep the response to handoff request message.
Fig. 6 is the flow chart of neighbor base station signal intensity transmission method according to an embodiment of the invention.
See Fig. 6, just transmit cyclical information (S611) to mobile subscriber station, with the signal strength signal intensity of transmission adjacent base station in serving base station.The scanning that mobile subscriber station carries out adjacent base station with synchronously (S612, S613).The mobile subscriber stands in the signal strength signal intensity (S614) of measuring each adjacent base station in scanning and the Synchronous Processing.Mobile subscriber station then operation report message through from just in the circulation of serving base station transmission, to just the signal strength information of serving base station transmission adjacent base station (S615, S616).
This report message be periodically to just at medium access control (MAC) administrative messag of serving base station transmission neighbor base station signal intensity, and its specific messages with the signal message of transmission adjacent base station is corresponding.
The example of specific messages in the signal strength signal intensity of the adjacent base station of transmission shown in the table 2.
[table 2]
| The syntax | Size | Note |
| MSS-CINR-REP_Message_Format(){ | ||
| ?Management?Message?Type＝? | 8 | |
| For(j＝0；j＜N_NEIGHBORS；j++){ | ||
| Neighbor?BS-ID | 48 | |
| ?BS?CINR?mean | 8 | |
| } | ||
| } |
Fig. 7 is the flow chart of neighbor base station signal intensity transmission method in accordance with another embodiment of the present invention.
See Fig. 7, just transmit cyclical information to mobile subscriber station, with the signal strength signal intensity (S711) of transmission adjacent base station in serving base station.The scanning that mobile subscriber station carries out adjacent base station with synchronously (S712, S713).The mobile subscriber stands in the signal strength signal intensity (S714) of measuring each adjacent base station in scanning and the Synchronous Processing.In like the situation of the special event of handover happens request message (S715), mobile subscriber station is to just at the signal strength information (S716) of serving base station transmission adjacent base station.
Commercial Application
Therefore, neighbor base station signal intensity and the frame information that mobile subscriber station obtains can be effectively transmitted in the present invention who can be applicable to BWA.
Though with reference to preferred embodiment the present invention has been described, has those skilled in the art will recognize that not leaving the spirit and scope of the present invention can make various changes.Therefore, the present invention is encompassed in claim and the interior various variations of its equivalents.
Claims (6)
- One kind in BWA through using adjacent base station information to carry out the method for handover, said method comprises step:Carry out the scanning of mobile base station based on the information that provides from serving BS with synchronously;Be necessary in decision to send handoff request message to serving BS under the situation of handover;After sending said handoff request message, transmit specific messages to said serving BS just in the request of serving base station no matter exist or do not exist from said, it comprises the said adjacent base station information from said scanning and said synchronization gain;Receive the information of the target BS of recommending handover from said serving BS; AndRequest discharges service from said serving BS, and implements the handover of the target BS of being recommended,Wherein said specific messages comprises identifier information and the carrier wave and the information of interface noise than (CINR) value of each adjacent base station, and the target BS of wherein being recommended based on service quality (QoS) decision that at least one adjacent base station provided by said serving BS.
- 2. the method for claim 1, wherein this specific messages comprises medium access control (MAC) administrative messag.
- One kind in BWA through using adjacent base station information to carry out the method for handover, said method comprises step:Allow mobile subscriber station to receive the cyclical information of the signal strength signal intensity of report adjacent base station from serving BS;Through scanning and synchro measure corresponding to the signal strength signal intensity of the reception of at least one adjacent base station;Be necessary in decision to send handoff request message to serving BS under the situation of handover;No matter exist or do not exist from said just in the request of serving base station, after sending said handoff request message, transmit said measured signal strengths information according to this circulation to said serving BS through specific messages;Receive the information of the target BS of recommending handover from said serving BS; AndRequest discharges service from said serving BS, and implements the handover of the target BS of being recommended,Wherein said specific messages comprises identifier information and the carrier wave and the information of interface noise than (CINR) value of each adjacent base station, and the target BS of wherein being recommended based on service quality (QoS) decision that at least one adjacent base station provided by said serving BS.
- 4. method as claimed in claim 3, wherein, this specific messages comprises medium access control (MAC) administrative messag.
- 5. method as claimed in claim 3, wherein, the circulation message of reporting the said signal strength signal intensity of said adjacent base station is that the initial registration procedure through said mobile subscriber station receives.
- One kind in BWA through using adjacent base station information to carry out the method for handover, said method comprises step:The scanning from adjacent base station to the transmission of said mobile subscriber station that will carry out and the information of sync section;Be necessary that in mobile subscriber station decision serving BS receives handoff request message from mobile subscriber station under the situation of handover;No matter the request of said adjacent base station information after receiving said handoff request message, is used to transmit the specific messages of adjacent base station information, receive said adjacent base station information from said mobile subscriber station;Send the QoS parameter that is used to provide lasting service to adjacent base station;Receive the information whether said service quality can be provided from adjacent base station;Send the information of the target BS of recommending handover to mobile subscriber station;Receive the request of the service of release from mobile subscriber station with the execution handover,Wherein said specific messages comprises identifier information and the carrier wave and the information of interface noise than (CINR) value of each adjacent base station, and the target BS of wherein being recommended based on service quality (QoS) decision that at least one adjacent base station provided by said serving BS.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040032751 | 2004-05-10 | ||
| KR1020040032754A KR20050107905A (en) | 2004-05-10 | 2004-05-10 | Method of providing information of signal strength regardigng neighbor base station in broadband wireless access system |
| KR1020040032754 | 2004-05-10 | ||
| KR10-2004-0032754 | 2004-05-10 | ||
| KR1020040032751A KR101165625B1 (en) | 2004-05-10 | 2004-05-10 | Method for Providing Information of Neighbor Base Station by Mobile Subscriber Station in Broadband Wireless Access System |
| KR10-2004-0032751 | 2004-05-10 | ||
| PCT/KR2005/001360 WO2005107378A2 (en) | 2004-05-10 | 2005-05-10 | Method of providing information of neighbor base station by mobile subscriber station in broadband wireless access system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1951144A CN1951144A (en) | 2007-04-18 |
| CN1951144B true CN1951144B (en) | 2012-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005800147734A Expired - Fee Related CN1951144B (en) | 2004-05-10 | 2005-05-10 | Method of providing information of neighbor base station by mobile subscriber station in broadband wireless access system |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101165625B1 (en) |
| CN (1) | CN1951144B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100724911B1 (en) * | 2004-08-17 | 2007-06-04 | 삼성전자주식회사 | Method and system for forming and transmitting/receiving neighbor base station information in a communication system |
| WO2017171754A1 (en) * | 2016-03-30 | 2017-10-05 | Sony Mobile Communications Inc. | Network controlled filtering of mobility information |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329805A (en) * | 1998-12-08 | 2002-01-02 | 英国电讯有限公司 | Method of operating cellular mobile telephone network having subset of base stations only available to some subscribers |
| CN1338163A (en) * | 1999-11-26 | 2002-02-27 | 三星电子株式会社 | Method of providing site selection diversity in mobile communication system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6445917B1 (en) | 1999-05-19 | 2002-09-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Mobile station measurements with event-based reporting |
-
2004
- 2004-05-10 KR KR1020040032751A patent/KR101165625B1/en not_active IP Right Cessation
-
2005
- 2005-05-10 CN CN2005800147734A patent/CN1951144B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329805A (en) * | 1998-12-08 | 2002-01-02 | 英国电讯有限公司 | Method of operating cellular mobile telephone network having subset of base stations only available to some subscribers |
| CN1338163A (en) * | 1999-11-26 | 2002-02-27 | 三星电子株式会社 | Method of providing site selection diversity in mobile communication system |
Non-Patent Citations (4)
| Title |
|---|
| CN 1329805 A,说明书第1页第4段至第3页第2段. |
| KITROSER I等.IEEE 802.16e Handoff Draft.IEEE 802.16 BROADBAND WIRELESS ACCESS WORKING GROUP, IEEE 802.16C802.16E-03/20R1, XP002331124, <URL:http://www.ieee802.org/16/tge/contrib/ C80216e-03:20r1.pdf>.2003,MAC层越区切换过程部分. * |
| KITROSERI等.IEEE802.16eHandoffDraft.IEEE802.16BROADBANDWIRELESSACCESSWORKINGGROUP IEEE 802.16C802.16E-03/20R1 |
| Sohyun Kim等.IEEE 802.16e Reporting of Scanning Result.IEEE 802.16 BROADBAND WIRELESS ACCESS WORKING GROUP, IEEE 802.16E-03/30 XP002331125 Retrieved from the Internet:<URL:http://www.ieee802.org/16/tge/contrib/C80216e-03_30.pdf>.2003,第2-4节. * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20050107903A (en) | 2005-11-16 |
| CN1951144A (en) | 2007-04-18 |
| KR101165625B1 (en) | 2012-07-19 |
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