CN1547412A - Method for wireless resource allocation between base stations in personal handheld system - Google Patents
Method for wireless resource allocation between base stations in personal handheld system Download PDFInfo
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- CN1547412A CN1547412A CNA2003101125951A CN200310112595A CN1547412A CN 1547412 A CN1547412 A CN 1547412A CN A2003101125951 A CNA2003101125951 A CN A2003101125951A CN 200310112595 A CN200310112595 A CN 200310112595A CN 1547412 A CN1547412 A CN 1547412A
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Abstract
The invention is a resources distribution method between base stations in the personal handle system, all the base stations in network can monitor the connecting channel creation application information in the up SCCH channel, when the mobile phone calls one base station, if the base station has idle resources, it distributes the resources normally; if the called base station has no idle resource, it applies to the base station controller, the base station controller controls other base station with idle resources to distribute resource to the mobile phone. The invention reduces the accessing time in the PHS network, upgrades the call achieving rate and the switch achieving rate of the user, upgrades the channel distribution rate of the PHS network greatly, and it uses the wireless resources of the network effectively.
Description
Technical field
The present invention relates to the wireless resource allocation methods among the PHS (Personal Handy Phone System, personnel hand system).
Background technology
The PHS technology is a kind of microcellulor technology, is conceived to the application of the mobile voice and data service under high traffic density and the low translational speed.In the existing P HS air interface protocol, the RRM mode is fairly simple, basically take the mode of " mobile phone is initiated at random, base station manage separately ": the resource busy idle condition of each base station is by each base station oneself management, and mobile phone can not know when making a call whether the base station that receives its call request has idling-resource.Can cause the busy or busy reject rate of frequency of the time slot of network with higher like this,, not only prolong the call proceeding time of mobile phone, and may cause call loss especially at the traffic hot zones.Even more serious is that usually hurrying because of the handover-target base station time slot in the handoff procedure of mobile phone causes switching call drop, has had a strong impact on the service quality of network.
At this situation, each large equipment manufacturing firm has adopted two kinds of methods at present: one is to use high-power and intelligent antenna technology, increases the base station covering radius; Two are to use binding or group control techniques to improve the traffic channel resource that single base station is supported.Like this, along with the increase of the Traffic Channel number of the enhancing of the covering power of base station and single BTS management, user's call proceeding time and switching times will reduce, and call completion ratio also can correspondingly improve, thereby has improved the service quality of network effectively.But problem is, the characteristics of PHS standard have determined the coverage of PHS base station that the lifting of matter can not be arranged, in very little coverage, use a large amount of Traffic Channels can cause the waste of a large number of services channel, and, along with the increase of coverage, the capacity that can control channel carry user signaling message also is the problem that must consider.
Summary of the invention
Technical problem to be solved by this invention is to propose a kind of new method, and this method utilizes base station controller that the resource allocation of base station is coordinated to optimize allocation of radio resources, improves the success rate of channel allocation and reduces the connecting time of mobile phone.。
Technical scheme of the present invention is:
Make in the network all base stations can both monitor mobile phone simultaneously at up SCCH (SCCH:Signaling Control Channel, signaling control channel) connecting channel that sends in is set up request message, when mobile phone when one of them base station makes a call, if there is idling-resource the base station of handset call, normal allocation resource then; If the base station of handset call does not have idling-resource,, control other base stations that idling-resource is arranged by base station controller and give the handset allocation resource then to the base station controller request.
Specifically can may further comprise the steps:
1. all base stations (said all base stations are meant the base station under the same base station controller among the present invention) uses identical absolute time slot as control channel (CCH:Control Channel) in the network, and has good frame synchronization; The location drawing that a superframe constitutes is preserved in described all base stations, the position of each base station CS-ID (Base Station Identification) in the record superframe;
2. the message of the up SCCH of all CCH time slots is constantly monitored in all base stations in the network, and no matter whether this message is the message that sends to this base station; As mobile phone when a certain base station makes a call, all base stations extract connecting channel that mobile phones send in up SCCH set up the information (mainly being mobile phone logo PS-ID, Base Station Identification CS-ID) that comprises in the request message and and the information of self preserving and the parameter (CS-ID of self) of self preservation compare, thereby judge send to this base station or issue other base stations;
3. the base station is carried out following processing for the upstream message that the mobile phone that listens to sends respectively according to different situations:
(1) for the message of issuing this base station, if there is idling-resource the base station, then the informing base station controller not for its carry out resource allocation (CS-ID that in notification message, comprises this base station, the PS-ID of mobile phone and do not need Resources allocation information); Resource allocation is directly carried out in the base station, the notice mobile phone; If there is not idling-resource, then send resource allocation request message (CS-ID that comprises this base station in the message, the solicited message of the PS-ID of mobile phone and wait Resources allocation) to base station controller, the request base station controller carries out resource allocation;
(2) for the message of issuing other base stations, if there is idling-resource this base station, then send the resource allocation apply for information (CS-ID that comprises the base station that mobile phone makes a call in the message to base station controller, the PS-ID of mobile phone, this base station has resource can supply allotment and information such as relative timeslot number of reserved resource and frequency point number), the informing base station controller is listed it in candidate's resource allocation base station, and reserved resource; If there is not idling-resource, this message can be ignored in the base station;
4. there is idling-resource base station controller base station that mobile phone is made a call, notifies other base station to discharge reserved resource; The base station that mobile phone is made a call needs other base station assigns resource, then send and distribute response message to the base station that sent the resource allocation inquiry, notify it to keep reserved resource, send resource allocation message to the base station that mobile phone makes a call simultaneously, the base station that the information notice mobile phone of the base station of reserved resource is made a call, after the resource allocation response message is received in the base station that mobile phone makes a call,, issue mobile phone according to the service in base station resource assembling connecting channel assignment messages of reserved resource.
5. after mobile phone is received the connecting channel assignment messages, send the synchronization burst frame, call out connection normally;
6. after the resource allocation inquire response message of the described base station As-received station control that idling-resource arranged, open corresponding frequency and time slot, wait for that mobile phone sends the synchronization burst frame; After receiving the synchronization burst frame of mobile phone, send down-going synchronous burst frame, the follow-up connection processing of calling out to mobile phone.
Adopt the present invention, can reduce the connecting time of user in the PHS network, raising user's call completion ratio and handover success rate effectively, make the channel allocation success rate of PHS network improve greatly, more effectively utilize the Radio Resource of network.
Description of drawings
Fig. 1 is the call flow diagram of an embodiment when the base station that mobile phone makes a call does not have the idle traffic resource among the present invention;
Fig. 2 is the call flow diagram of an embodiment when there is idle service resources the base station that mobile phone makes a call among the present invention.
Embodiment
Basic design of the present invention is:
Because the overlapping covering in base station, a mobile phone can be received a plurality of signal of base station simultaneously.But mobile phone is when making a call, and only can select its institute's that base station request of making a call of tracking synchronously; Only can monitor simultaneously the descending paging channel PCH (Paging Channel, paging channel) of this base station during cell phone standby.Mobile phone is initiated call must experience the signalling interactive process that carries out on control channel CCH.Therefore, if when mobile phone is initiated connecting channel when setting up request to certain base station, if have good synchronously aerial, other base stations also can listen to the connecting channel of this mobile phone and set up request message, so, we just can reach the purpose of optimizing allocation of radio resources by means of the resource management and the coordination of base station controller.
The summary of the invention part is described in detail the present invention in this manual.Main contents of the present invention are:
Make at first that all base stations under the same base station controller have good frame synchronization in the network, all base stations use identical absolute time slot as CCH.The location drawing that a superframe constitutes is preserved in described all base stations, the position of each base station CS-ID in the record superframe.
In the normal operation, the message of the up SCCH of all CCH time slots is constantly monitored in all base stations in the network, and no matter whether this message is the message that sends to this base station.The connecting channel that mobile phone sends in up SCCH is set up and included important information in the request message: mobile phone logo PS-ID, Base Station Identification CS-ID and other connecting channels are set up the message elements of request.These information is extracted in the base station, and compares with the parameter (for example CS-ID of self) of self preserving, and sends to oneself thereby judge which message, and which issues other base stations.Handle for the message of the up mobile phone that listens to the base station: (1) for the message that sends to oneself, resource allocation will if idling-resource is arranged, then can directly be carried out according to the self radio resource situation in the base station.If there is not idling-resource, then by means of the coordinative role of base station controller, obtain the idling-resource of other base stations, carry out allocation of radio resources then.(2) for not being that the connecting channel of issuing oneself is set up request message, the base station equally will be according to the self radio resource situation, if idling-resource is arranged, so just need express the service resources that this time calling can be improved in this base station to base station controller, reserve Radio Resource simultaneously; If there is not idling-resource, this message can be ignored in the base station.Like this, coordinative role according to base station controller, when mobile phone 1 is initiated connecting channel when setting up request in the base station, although base station 1 does not have useful Radio Resource, base station 1 can recognize that other can carry out the Radio Resource state of other base stations of proper communication with this mobile phone, thereby gives the handset allocation Radio Resource.
The present invention will be described for example below in conjunction with accompanying drawing.
Figure (1) is that mobile phone is not having the flow chart that makes a call on the base station CS2 of idling-resource automatically when base station CS1 that mobile phone makes a call has the idle traffic resource.
The first step: mobile phone under holding state can and network in certain base station keep CCH synchronously, and the broadcast and the beep-page message of this base station are monitored in timing.When mobile phone need make a call, make a call by setting up request message at the up SCCH initiation connecting channel of this base station.
Second step: the upstream message of all CCH time slots will be monitored in the base station in the network.Because of base station CS1 uses identical CCH time slot with CS2, and keep frame synchronization preferably, CS2 also can listen to PS issues CS1 on up SCCH message.Represent as dotted line among the figure.
Last the connecting channel of the 3rd step: PS is set up the PS-ID that contains mobile phone in the request message and the CS-ID of base station.CS1 judges the base station that the CS-ID content in this message is identical with the CS-ID content of oneself, but CS1 does not have idling-resource, and CS1 sends resource allocation request message to base station controller, and the request base station controller carries out allocation of radio resources.In the resource allocation request message of CS1, need to carry following message at least:
The CS-ID of CS1;
The PS-ID of PS;
The resource status of CS1 (waiting for the base station controller allotment).
The 4th step: CS2 can listen to the connecting channel of mobile phone equally and set up request message, CS2 judges the base station that the CS-ID content in this message is different with the CS-ID content of oneself, when CS2 has idling-resource, CS2 can send the resource allocation apply for information to base station controller, and the informing base station controller will oneself be listed candidate's resource allocation base station in.CS2 sends the resource allocation apply for information to base station controller, comprises following content in this message at least:
The CS-ID of CS1;
The PS-ID of PS;
The resource status of CS2 (can allocate) for base station controller;
The reserved resource of CS2 (relative timeslot number, frequency point number).
If (when CS2 does not have idling-resource, CS2 will ignore the processing of connecting channel being set up request message.Other have the base station of idling-resource that idling-resource is arranged, and will send the resource allocation apply for information to base station controller, and the informing base station controller will oneself be listed candidate's resource allocation base station in.)
The 5th step: after base station controller is received the resource allocation apply for information of CS2, search for the resource allocation request message that whether has CS1 to send according to CS-ID and PS-ID, searching CS1 needs base station controller to carry out resource allocation, send resource allocation inquire response message to CS2, notice CS2 keeps preallocated service resources in the message;
The 6th step: simultaneously, base station controller need send the resource allocation response message to CS1, with the resource information notice CS1 of CS2 report.
The 7th step: after CS1 receives the resource allocation response message,, and send to PS according to the service resources assembling connecting channel assignment messages of CS2.
The 8th step: after PS receives the connecting channel assignment messages,, then send the synchronization burst frame, call out connection normally at this time slot and frequency if distributed time slot and frequency can be used.
The 9th step: after the resource allocation inquire response message of CS2 As-received station control, open corresponding frequency and time slot, wait for that PS sends the synchronization burst frame.After CS2 receives the synchronization burst frame of PS, send down-going synchronous burst frame, the follow-up connection processing of calling out to PS.Note because PS and do not know that being responsible for its base station of continuing is CS2, so PS and CS2 will use the CS-ID of CS1 alternately always.
Fig. 2 is the flow process that mobile phone makes a call on CS1 when there is idle service resources the CS1 base station that mobile phone makes a call.
The first step: mobile phone under holding state can and network in certain base station keep CCH synchronously, and the broadcast and the beep-page message of this base station are monitored in timing.When mobile phone need make a call, make a call by setting up request message at the up SCCH initiation connecting channel of this base station.
Second step: the upstream message of all CCH time slots will be monitored in the base station in the network.Because of base station CS1 uses identical CCH time slot with CS2, and keep frame synchronization preferably, CS2 can listen to PS issues CS1 on up SCCH message.Represent as dotted line among the figure.
Last the connecting channel of the 3rd step: PS is set up the PS-ID that contains mobile phone in the request message and the CS-ID of base station.CS1 judges the base station that the CS-ID content in this message is identical with the CS-ID content of oneself, and CS1 has idling-resource, so CS1 sends resource allocation request message to base station controller, the informing base station controller does not need to carry out allocation of radio resources for it.In the resource allocation request message of CS1, need to carry following message at least:
The CS-ID of CS1;
The PS-ID of PS;
The resource status of CS1 (not needing the base station controller allotment).
The 4th step: CS2 can listen to the connecting channel of mobile phone equally and set up request message, CS2 judges the base station that the CS-ID content in this message is different with the CS-ID content of oneself, to do different disposal according to the resource status of oneself: when CS2 does not have idling-resource, CS2 will ignore the processing of connecting channel being set up request message.When CS2 had idling-resource, CS2 can send resource allocation inquiry Q message to base station controller, and the informing base station controller will oneself be listed candidate's resource allocation base station in.At least comprise following content in this message:
The CS-ID of CS1;
The PS-ID of PS;
The resource status of CS2 (can allocate) for base station controller;
The reserved resource of CS2 (relative timeslot number, frequency point number).
The 5th step: after base station controller is received the resource allocation apply for information of CS2, search for the resource allocation request message that whether has CS1 to send according to CS-ID and PS-ID, the result of search is that CS1 does not need base station controller to carry out resource allocation, then send resource allocation inquire response message to CS2, notice CS2 discharges the preassignment service resources that keeps in the message.
～the eight step of the 6th step: follow-up continuing undertaken by normal mode between CS1 and the mobile phone.
Claims (7)
1, the method for allocation of radio resources between the base station in a kind of personnel hand system, make all base stations in the network can both monitor the connecting channel that mobile phone sends simultaneously in up signaling control channel and set up request message, when mobile phone when one of them base station makes a call, if there is idling-resource the base station of handset call, normal allocation resource then; If the base station of handset call does not have idling-resource,, control other base stations that idling-resource is arranged by base station controller and give the handset allocation resource then to the base station controller request.
2, the method for allocation of radio resources between the base station in the described personnel hand system of claim 1 comprises:
The identical absolute time slot of all base stations uses is used as control channel in the network 2.1 make, and has good frame synchronization; The location drawing that a superframe constitutes is preserved in described all base stations, the position of each base station Base Station Identification in the record superframe;
2.2 the message of the up signaling control channel of all control channel time slots is constantly monitored in all base stations in the network, as mobile phone when a certain base station makes a call, all base stations extract connecting channel that mobile phones send in up signaling control channel set up the information that comprises in the request message and and the information of self preservation compare, thereby judge send to this base station or issue other base stations;
2.3 the base station is carried out following processing for the upstream message that the mobile phone that listens to sends respectively according to different situations:
(1) for the message of issuing this base station, if there is idling-resource the base station, then the informing base station controller is not for it carries out resource allocation, and resource allocation is directly carried out in the base station, the notice mobile phone; If there is not idling-resource, then send resource allocation request message to base station controller, the request base station controller carries out resource allocation;
(2) for the message of issuing other base stations, if there is idling-resource this base station, then send the resource allocation apply for information to base station controller, the informing base station controller is listed it in candidate's resource allocation base station, and reserved resource; If there is not idling-resource, this message can be ignored in the base station;
2.4 there is idling-resource the base station that base station controller makes a call to mobile phone, notifies other base station to discharge reserved resource; The base station that mobile phone is made a call needs other base station assigns resource, then send and distribute response message to the base station that sent the resource allocation inquiry, notify it to keep reserved resource, send resource allocation message to the base station that mobile phone makes a call simultaneously, the base station that the information notice mobile phone of the base station of reserved resource is made a call, after the resource allocation response message is received in the base station that mobile phone makes a call,, issue mobile phone according to the service in base station resource assembling connecting channel assignment messages of reserved resource.
3, the method for allocation of radio resources between the base station in the described personnel hand system of claim 2 is characterized in that, and is further comprising the steps of:
3.1 after mobile phone is received the connecting channel assignment messages, send the synchronization burst frame, call out connection normally;
3.2 after the resource allocation inquire response message of the described base station As-received station control that idling-resource arranged, open corresponding frequency and time slot, wait for that mobile phone sends the synchronization burst frame; After receiving the synchronization burst frame of mobile phone, send down-going synchronous burst frame, the follow-up connection processing of calling out to mobile phone.
4, the method for allocation of radio resources between the base station in claim 2 or the 3 described personnel hand systems, it is characterized in that, the connecting channel that mobile phone sends in up signaling control channel is set up the information that comprises in the request message and is comprised the mobile phone logo of mobile phone and the Base Station Identification of base station, described base station is to compare with own Base Station Identification with the information of extracting and the information of self preserving relatively.
5, the method for allocation of radio resources between the base station in claim 2 or the 3 described personnel hand systems, it is characterized in that, the resource allocation request message that the base station that mobile phone makes a call sends to base station controller, the information that comprises is: the Base Station Identification of this base station, the request of the mobile phone logo of mobile phone and wait Resources allocation.
6, the method for allocation of radio resources between the base station in claim 2 or the 3 described personnel hand systems, it is characterized in that, the base station informing base station controller that mobile phone makes a call does not need the message for its Resources allocation, the information that comprises is: the Base Station Identification of this base station, the mobile phone logo of mobile phone and do not need Resources allocation.
7, the method for allocation of radio resources between the base station in claim 2 or the 3 described personnel hand systems, it is characterized in that, the resource allocation apply for information that other base station sends to base station controller, the information that comprises is: the Base Station Identification of the base station that mobile phone makes a call, the mobile phone logo of mobile phone, this base station have resource can supply allotment and relative timeslot number of reserved resource and frequency point number.
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| CN 200310112595 CN1261001C (en) | 2003-12-12 | 2003-12-12 | Method for wireless resource allocation between base stations in personal handheld system |
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| CN 200310112595 CN1261001C (en) | 2003-12-12 | 2003-12-12 | Method for wireless resource allocation between base stations in personal handheld system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100396142C (en) * | 2006-07-04 | 2008-06-18 | 华为技术有限公司 | Uplink monitoring method |
| WO2009021434A1 (en) * | 2007-08-14 | 2009-02-19 | Huawei Technologies Co., Ltd. | System, method and network device for covering a plurality of areas by one cell |
| CN1812600B (en) * | 2005-01-26 | 2010-05-12 | 株式会社Ntt都科摩 | A mobile communication system |
| WO2011003364A1 (en) * | 2009-07-10 | 2011-01-13 | 大唐移动通信设备有限公司 | Method and device for maintaining long term evolution base station |
| CN101150854B (en) * | 2006-09-20 | 2012-08-22 | 富士通株式会社 | Mobile communication terminal, mobile communication system, base station and communication method |
| CN110784930A (en) * | 2019-10-31 | 2020-02-11 | 维沃移动通信有限公司 | Call resource allocation method and device |
| CN111464996A (en) * | 2020-02-26 | 2020-07-28 | 厦门亿联网络技术股份有限公司 | DECT resource coordination method and system based on network |
| CN112188629A (en) * | 2020-09-28 | 2021-01-05 | 海能达通信股份有限公司 | Communication method, system and base station |
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- 2003-12-12 CN CN 200310112595 patent/CN1261001C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1812600B (en) * | 2005-01-26 | 2010-05-12 | 株式会社Ntt都科摩 | A mobile communication system |
| CN100396142C (en) * | 2006-07-04 | 2008-06-18 | 华为技术有限公司 | Uplink monitoring method |
| CN101150854B (en) * | 2006-09-20 | 2012-08-22 | 富士通株式会社 | Mobile communication terminal, mobile communication system, base station and communication method |
| CN102325383B (en) * | 2006-09-20 | 2014-02-26 | 富士通株式会社 | Communication method in mobile communication system |
| US9219538B2 (en) | 2007-08-14 | 2015-12-22 | Huawei Technologies Co., Ltd. | System and method for one cell to cover multiple areas |
| WO2009021434A1 (en) * | 2007-08-14 | 2009-02-19 | Huawei Technologies Co., Ltd. | System, method and network device for covering a plurality of areas by one cell |
| CN101111049B (en) * | 2007-08-14 | 2010-07-28 | 华为技术有限公司 | System, method and network appliance for implementing overlapping multi-region by one subdistrict |
| US8559868B2 (en) | 2007-08-14 | 2013-10-15 | Huawei Technologies Co., Ltd. | System and method for one cell to cover multiple areas |
| US8855551B2 (en) | 2007-08-14 | 2014-10-07 | Huawei Technologies Co., Ltd. | System and method for one cell to cover multiple areas |
| WO2011003364A1 (en) * | 2009-07-10 | 2011-01-13 | 大唐移动通信设备有限公司 | Method and device for maintaining long term evolution base station |
| US9622095B2 (en) | 2009-07-10 | 2017-04-11 | China Academy Of Telecommunications Technology | Method and device for maintaining long term evolution base station |
| CN110784930A (en) * | 2019-10-31 | 2020-02-11 | 维沃移动通信有限公司 | Call resource allocation method and device |
| CN110784930B (en) * | 2019-10-31 | 2022-12-27 | 维沃移动通信有限公司 | Call resource allocation method and device |
| CN111464996A (en) * | 2020-02-26 | 2020-07-28 | 厦门亿联网络技术股份有限公司 | DECT resource coordination method and system based on network |
| CN112188629A (en) * | 2020-09-28 | 2021-01-05 | 海能达通信股份有限公司 | Communication method, system and base station |
| CN112188629B (en) * | 2020-09-28 | 2024-01-16 | 海能达通信股份有限公司 | Communication method, system and base station |
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| CN1261001C (en) | 2006-06-21 |
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Assignee: Shenzhen Zhongxing Software Co., Ltd. Assignor: ZTE Corporation Contract fulfillment period: 2007.4.1 to 2013.4.1 Contract record no.: 2008990000942 Denomination of invention: Method for wireless resource allocation between base stations in personal handheld system Granted publication date: 20060621 License type: Exclusive license Record date: 20081027 |
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