CN101360334B - Wireless management method and system for multiple frequency band network - Google Patents
Wireless management method and system for multiple frequency band network Download PDFInfo
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- CN101360334B CN101360334B CN 200710143487 CN200710143487A CN101360334B CN 101360334 B CN101360334 B CN 101360334B CN 200710143487 CN200710143487 CN 200710143487 CN 200710143487 A CN200710143487 A CN 200710143487A CN 101360334 B CN101360334 B CN 101360334B
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Abstract
The invention provides a wireless resource management method which is applied to the multi-frequency network and the system thereof. The method includes steps as following: step 1, a wireless network controller sends the broadcast message along with frequency band direction message to a user device, so as to inform the user device of whether to detect different frequency subdistrict or not in surrounding, the user device submits the user device capacity message to the wireless network controller, wherein, the message which to support the multi frequency or not is added into the user device capacity message; step 2, the wireless network controller ensures whether to inform the user device of the possibly existent different frequency list according to different frequency distribution and the user device capacity message, if needing to inform, the different frequency subdistrict message and the measuring control message are added into the adjacent subdistrict list to send to the user device; step 3, the user device measures the different frequency subdistrict and sends the measuring result to the wireless network controller; step 4, according to the measuring result, the wireless network controller switches between frequencies, or dictates the user device to reelect the different frequency subdistrict.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of radio resource management method for multi-frequency network and system and radio network controller and subscriber equipment.
Background technology
1992, for the 3G (Third Generation) Moblie delineation of activities goes out 230MHz bandwidth: 1885～2025MHz (40M) as the uplink band of IMT-2000,2110～2200MHz (90M) was as band downlink in the WARC-92 conference for ITU.Up use 1920～1980MHz (60M) of FDD (comprising WCDMA and CDMA2000) wherein, descending use 2110～2170MHz (60M).TDD mode (comprising TD-SCDMA and UTRA TDD) is used 2010～2025MHz (15M), not differentiating uplink and downlink.1980～2010MHz (30M) and 2170～2200MHz (30M) are respectively as the up-downgoing frequency range of mobile-satellite service.
Along with the quickening of TD-SCDMA system commercialization process, the 15M bandwidth of distributing at present TDD will can not adapt to the development of TD-SCDMA business very soon.Can predict in the situation that can't satisfy following business, it is imperative that the TD system introduces new frequency range (such as 2300～2400MHz, 1880～1920MHz etc.).Like this, the TD-SCDMA system will become a multi-frequency network, and a desirable multi-frequency network is not a plurality of frequency ranges of simple stack, but needs a plurality of frequency range co-ordinations, therefore many than the Single Frequency Network complexity on radio resource management method.In view of present 2010～2025MHz frequency range is in position of mainstream, therefore should be able to use as the additional frequency range of 2010～2025MHz in these additional frequency bands such as networking initial stage 2300～2400MHz, 1880～1920MHz.Based on this prerequisite, the RRM aspect of TD-SCDMA system multi-frequency section network should satisfy following 2 points: (1) traffic carrying capacity reasonable layout on a plurality of frequency ranges, (2) guarantee under the prerequisite of quality of service, avoid switching between unnecessary frequent frequency.In existing network system, because can't knowing UE, wireless network side whether has the ability of supporting multiband, so can't carry out the allocation of radio resources between multiband.And select and cell reselection in order to make the ability UE with support multiband can better carry out the residential quarter between different frequency range, also need some to consider targetedly.
Summary of the invention
For above one or more problems, the invention provides radio resource management method and system and radio network controller and subscriber equipment for multi-frequency network, by revising relevant parameter and the UE ability relevant parameter of system broadcast message, and different frequency range switching conditions is set, reach the effect of optimization of two frequency range co-ordinations.
Radio resource management method for multi-frequency network of the present invention comprises the following steps:
Step 1, the broadcast that radio network controller will carry the frequency range indication information is handed down to subscriber equipment, alien frequencies section residential quarter whether can be detected around the equipment with notifying user equipment, the user equipment to report capability information of user facility is to radio network controller, wherein, be added with the information of whether supporting multiband in capability information of user facility.
Step 2, radio network controller determines whether according to alien frequencies section distribution situation and in conjunction with capability information of user facility the alien frequencies section list that notifying user equipment may exist, in the situation that the needs notice increases alien frequencies section cell information and measuring control information and is sent to subscriber equipment in neighbor cell list.
Step 3, subscriber equipment is measured alien frequencies section residential quarter and measurement result is reported radio network controller.
Step 4, radio network controller carries out switching between frequency according to measurement result or equipment for indicating user carries out alien frequencies section cell reselection.
In the situation that do not need gravity treatment between frequency range, radio network controller does not add alien frequencies section cell information in neighbor cell list to.Radio resource management method of the present invention can be used for TDS-CDMA system.
Wireless resource management for multi-frequency network of the present invention comprises: radio network controller, be used for adding the frequency range indication information and broadcast being handed down to subscriber equipment in broadcast, determine whether that according to alien frequencies section distribution situation and in conjunction with the capability information of user facility of user equipment to report equipment for indicating user measures the alien frequencies section residential quarter around subscriber equipment, and after the needs equipment for indicating user is measured, carry out between frequency switching or equipment for indicating user carries out alien frequencies section cell reselection according to the measurement result of user equipment to report; And subscriber equipment, be used for frequency range indication information report of user device capability information according to broadcast to radio network controller, and at the radio network controller indication measurement in the situation that the alien frequencies section residential quarter around subscriber equipment, the information of measuring alien frequencies section residential quarter and reporting alien frequencies section residential quarter is to radio network controller.
Radio network controller comprises: frequency range indication is added and sending module, is used for the frequency range indication information is added to broadcast and broadcast is handed down to subscriber equipment, alien frequencies section residential quarter whether can be detected around subscriber equipment with notifying user equipment; Measure indicating module, be used for determining whether according to capability information of user facility the alien frequencies section list that notifying user equipment may exist, in the situation that the needs notice increases alien frequencies section cell information and measuring control information and is sent to subscriber equipment in neighbor cell list; And control and processing module, be used for carrying out between frequency switching or equipment for indicating user carries out alien frequencies section cell reselection according to the measurement result of user equipment to report.
Subscriber equipment comprises: the information reporting module, be used for the report of user device capability information to radio network controller, and wherein, be added with the information of whether supporting multiband in capability information of user facility; And measurement module, be used for measuring alien frequencies section residential quarter and measurement result being reported radio network controller.
In the situation that do not need gravity treatment between frequency range, radio network controller does not add alien frequencies section cell information in neighbor cell list to.Wireless resource management of the present invention can be used for TDS-CDMA system.
The present invention is intended to provide for novel TD-SCDMA system multi-frequency section networking a kind of implementation method of Radio Resource, by using the method, both can make newly-increased frequency range play good supplementary function to original frequency range, can make again traffic carrying capacity reasonable layout on a plurality of frequency ranges, avoid switching between unnecessary frequency.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the radio resource management method for multi-frequency network of the present invention; And
Fig. 2 is the block diagram according to the wireless resource management for multi-frequency network of the present invention.
Embodiment
Below with reference to accompanying drawing, describe the specific embodiment of the present invention in detail.
Fig. 1 is the flow chart according to the radio resource management method for multi-frequency network of the present invention.The present invention increases the frequency range Indication message in broadcast, alien frequencies section residential quarter whether can be detected on every side with notifying user equipment (UE).Report in UE capability and whether support multiband, whether the residential quarter that in time understanding of radio network controller (RNC) is being accessed supports multiband, to determine whether to notify the list of the alien frequencies section that UE may exist; When transmission comprised the measurement control message of some event, these event threshold parameters were distinguished according to the UE ability information and are filled in.Increase alien frequencies section cell information in neighbor cell list, indication UE reports the metrical information of relevant alien frequencies section residential quarter.According to measurement result, carry out switching or alien frequencies section cell reselection between frequency;
For fear of gravity treatment between unnecessary frequency range, suppose that networking initial stage additional frequency bands is used for sharing 2010～2025MHz frequency range load, so in the situation that 2010～2025MHz cell load is lighter, the system message of notice alien frequencies section residential quarter existence can not sent out.
Radio resource management method for multi-frequency network of the present invention specifically comprises the following steps:
Step S102, add frequency range Indication message (TDD Frequency band indicator) in the system broadcast message block type 5 (System Information Block type 5-Sib5) (also can issue in the broadcast at other) that the TD-SCDMA network cell issues, as shown in field as underlined in table 1.Wherein enumeration type value Band1 represents frequency range 2010～2025MHz, and Band2 represents frequency range 2300～2400MHz, and Band3 represents frequency range 1880～1920MHz, and multiband uses the Reserved retention in order to expand later on more.
Table 1Sib5 information unit is as shown in table 1
| Information element/group name claims (Information Element/Group name) | Need (Nee d) | A plurality of (M ulti) | Type and reference (Type and reference) | Semantic description (Semantics description) | Version (Version) |
| SIB6 Indicator | MP | Boolean | TRUE indicates that SIB6 is broadcast in the cell. | ||
| …… | |||||
| TDD Extra-Frequency band indicatcr(TDD The additional band indication) | OP | Enumerated (Band1，Band2， Band3， Band1+Band2， Band1+Band3， Band2+Band3， Reserved) |
Step S104, terminal use UE is according to interpolation frequency range Indication message (TDDFrequency band indicator field), whether to need to determine to monitor the system broadcast message of other frequency ranges residential quarter, add the field of whether supporting multiband in the UE wireless access capability, underline as shown in part as table 2.And following modification is carried out in the measurement capability expansion (MeasurementCapability Extension) relevant with measurement capability (Measurement capability) to the RF ability (RF Capability Compressed) of wherein RF capability TDD 1.28Mcps and compression, as shown in part as underlined in table 3, table 4 and table 5.The frequency range corresponding relation of enumeration type value a, b, c and d has detailed explanation in 3GPP25.102, the present invention need to be in 3GPP 25.102 the newly-increased enumeration type value e of corresponding explanation place, the 2300～2400MHz that is used for representing increasing newly, the additional frequency bands such as 1880～1920.UE according to the relevant field that adds, reports the multiband ability information to RNC according to the ability of self.
Table 2UE wireless access capability information unit is as shown in table 2:
Table 3RF ability (RF capability) TDD 1.28Mcps:
The RF ability (RF Capability Compressed) of table 4 compression
Table 5 measurement capability expansion (Measurement capability extension):
Step S106, RNC are under certain condition (for example the primary band cell load is overweight), and issuing for the UE with multiband tenability increases alien frequencies section cell information in neighbor cell list, and indication UE reports the metrical information of relevant alien frequencies section residential quarter;
Step S108, UE is according to the measured value of adjacent cell list information reporting alien frequencies section residential quarter;
step S110, RNC is according to measurement result, the UE with multiband tenability that satisfies condition is switched to auxiliary frequency range residential quarter, in order to reach the purposes such as load that alleviate primary band, suppose that networking initial stage additional frequency bands is used for sharing 2010～2025MHz frequency range load, the condition of the tangential 2010～2025MHz in additional frequency bands residential quarter residential quarter so, the condition harshness of the tangential additional frequency bands residential quarter, ratio 2010～2025MHz residential quarter that should establish is many, because additional frequency bands is as sharing frequency range, it is poorer than 2010～2025MHz frequency range to cover, it need to attract the user to enter.
Fig. 2 is the block diagram according to the wireless resource management for multi-frequency network of the present invention.Wireless resource management for multi-frequency network of the present invention comprises: radio network controller 202, be used for adding the frequency range indication information and broadcast being handed down to subscriber equipment in broadcast, determine whether that according to alien frequencies section distribution situation and in conjunction with the capability information of user facility of user equipment to report equipment for indicating user measures the alien frequencies section residential quarter around subscriber equipment, and after the needs equipment for indicating user is measured, carry out between frequency switching or equipment for indicating user carries out alien frequencies section cell reselection according to the measurement result of user equipment to report; And subscriber equipment 204, be used for frequency range indication information report of user device capability information according to broadcast to radio network controller, and at the radio network controller indication measurement in the situation that the alien frequencies section residential quarter around subscriber equipment, the information of measuring alien frequencies section residential quarter and reporting alien frequencies section residential quarter is to radio network controller.
Radio network controller 202 comprises: the frequency range indication is added and sending module 202-2, be used for the frequency range indication information is added to broadcast and broadcast is handed down to subscriber equipment, alien frequencies section residential quarter whether can be detected with notifying user equipment around subscriber equipment; Measure indicating module 202-4, be used for determining whether according to capability information of user facility the alien frequencies section list that notifying user equipment may exist, in the situation that the needs notice increases alien frequencies section cell information and measuring control information and is sent to subscriber equipment in neighbor cell list; And control and processing module 202-6, be used for carrying out between frequency switching or equipment for indicating user carries out alien frequencies section cell reselection according to the measurement result of user equipment to report.
Subscriber equipment 204 comprises: information reporting module 204-2, be used for the report of user device capability information to radio network controller, and wherein, be added with the information of whether supporting multiband in capability information of user facility; And measurement module 204-4, be used for measuring alien frequencies section residential quarter and measurement result being reported radio network controller.
In the situation that do not need gravity treatment between frequency range, radio network controller does not add alien frequencies section cell information in neighbor cell list to.Wireless resource management of the present invention can be used for TDS-CDMA system.
Novel multi-frequency network for the TD-SCDMA system of the present invention by relevant parameter and the UE ability relevant parameter of modification system broadcast message, and arranges different frequency range switching conditions, reaches the effect of optimization of two frequency range co-ordinations.By using the present invention, both can make newly-increased frequency range play good supplementary function to original frequency range, traffic carrying capacity is reasonable layout on a plurality of frequency ranges, can avoid again switching between unnecessary frequency.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a radio resource management method that is used for multi-frequency network, is characterized in that, comprises the following steps:
Step 1, the broadcast that radio network controller will carry the frequency range indication information is handed down to subscriber equipment, to notify described subscriber equipment alien frequencies section residential quarter whether can be detected around the subscriber equipment, described user equipment to report capability information of user facility is given described radio network controller, wherein, be added with the information of whether supporting multiband in described capability information of user facility;
Step 2, described radio network controller determines whether the alien frequencies section list of notifying described subscriber equipment to exist according to alien frequencies section distribution situation and in conjunction with described capability information of user facility, in the situation that the needs notice increases alien frequencies section cell information and measuring control information and is sent to described subscriber equipment in neighbor cell list;
Step 3, described subscriber equipment is measured described alien frequencies section residential quarter and measurement result is reported described radio network controller; And
Step 4, radio network controller carries out switching between frequency according to described measurement result or equipment for indicating user carries out alien frequencies section cell reselection.
2. radio resource management method according to claim 1, is characterized in that, in the situation that do not need gravity treatment between frequency range, described radio network controller does not add described alien frequencies section cell information in neighbor cell list to.
3. radio resource management method according to claim 1 and 2, is characterized in that, described radio resource management method is used for TDS-CDMA system.
4. a wireless resource management that is used for multi-frequency network, is characterized in that, comprising:
Radio network controller, be used for adding the frequency range indication information and described broadcast being handed down to subscriber equipment in broadcast, determine whether to indicate described subscriber equipment to measure alien frequencies section residential quarter around subscriber equipment according to alien frequencies section distribution situation and in conjunction with the capability information of user facility of user equipment to report, and after the described subscriber equipment of needs indications is measured, carry out between frequency switching or equipment for indicating user carries out alien frequencies section cell reselection according to the measurement result of described user equipment to report; And
Subscriber equipment, report described capability information of user facility to described radio network controller, and in the situation that described radio network controller equipment for indicating user is measured the alien frequencies section residential quarter around described subscriber equipment, the information of measuring described alien frequencies section residential quarter and reporting described alien frequencies section residential quarter is to described radio network controller.
5. wireless resource management according to claim 4, is characterized in that, described radio network controller comprises:
Frequency range indication is added and sending module, is used for the frequency range indication information is added to broadcast and described broadcast is handed down to subscriber equipment, alien frequencies section residential quarter whether can be detected around it to notify described subscriber equipment;
Measure indicating module, for the alien frequencies section list that determines whether according to described capability information of user facility to notify described subscriber equipment to exist, in the situation that the needs notice increases alien frequencies section cell information and measuring control information and is sent to described subscriber equipment in neighbor cell list; And
Control and processing module, be used for carrying out between frequency switching or equipment for indicating user carries out alien frequencies section cell reselection according to the measurement result of described user equipment to report.
6. wireless resource management according to claim 5, is characterized in that, described subscriber equipment comprises:
The information reporting module is used for the report of user device capability information to described radio network controller, wherein, is added with the information of whether supporting multiband in described capability information of user facility; And
Measurement module is used for measuring described alien frequencies section residential quarter and measurement result being reported described radio network controller.
7. wireless resource management according to claim 6, is characterized in that, described wireless resource management is used for TDS-CDMA system.
8. radio network controller that is used for multi-frequency network comprises:
Frequency range indication is added and sending module, is used for the frequency range indication information is added to broadcast and described broadcast is handed down to subscriber equipment, alien frequencies section residential quarter whether can be detected around it to notify described subscriber equipment;
Measure indicating module, for the alien frequencies section list that determines whether according to capability information of user facility to notify described subscriber equipment to exist, in the situation that the needs notice increases alien frequencies section cell information and measuring control information and is sent to described subscriber equipment in neighbor cell list; And
Control and processing module, be used for carrying out between frequency switching or equipment for indicating user carries out alien frequencies section cell reselection according to the measurement result of described user equipment to report.
9. radio network controller according to claim 8, is characterized in that, described radio network controller is used for TDS-CDMA system.
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| CN 200710143487 CN101360334B (en) | 2007-08-01 | 2007-08-01 | Wireless management method and system for multiple frequency band network |
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| CN101360334B true CN101360334B (en) | 2013-05-08 |
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Families Citing this family (18)
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| CN101925087B (en) | 2009-06-11 | 2016-05-25 | 中兴通讯股份有限公司 | A kind of measurement report method of closed user group cell |
| CN102149111B (en) * | 2010-02-08 | 2015-09-16 | 中兴通讯股份有限公司 | A kind of neighbor cell information management method and system |
| CN102271411A (en) * | 2010-06-04 | 2011-12-07 | 江苏锐合技术有限公司 | Method for improving performance in 1.4M bandwidth networking for terminal |
| CN102300251A (en) * | 2010-06-25 | 2011-12-28 | 中兴通讯股份有限公司 | Neighbor cell information management method, wireless network controller and user equipment |
| CN102340816A (en) * | 2010-07-22 | 2012-02-01 | 普天信息技术研究院有限公司 | Method for measuring and reporting signal channel |
| JP5247794B2 (en) * | 2010-12-24 | 2013-07-24 | 株式会社エヌ・ティ・ティ・ドコモ | Base station and information acquisition method in mobile communication system |
| CN102769865A (en) * | 2011-05-04 | 2012-11-07 | 华为技术有限公司 | Reconfiguration method and reconfiguration device |
| WO2011144062A2 (en) * | 2011-05-23 | 2011-11-24 | 华为技术有限公司 | Method, device, control network element and system for control device access |
| CN102547879B (en) * | 2012-01-06 | 2014-06-25 | 华为终端有限公司 | Cell selection method, terminal and wireless network controller |
| CN103220702B (en) | 2012-01-19 | 2016-11-02 | 华为技术有限公司 | A kind of alien-frequency district measuring method, device and system |
| CN103581921B (en) * | 2012-08-01 | 2016-12-21 | 中国移动通信集团公司 | A kind of terminal access method, system and device |
| EP2996363A4 (en) * | 2013-06-07 | 2016-05-11 | Huawei Tech Co Ltd | Measurement parameter configuration method, user equipment and device |
| CN105612783B (en) * | 2014-01-26 | 2019-03-26 | 华为技术有限公司 | Residence reselecting, user equipment and the network equipment |
| CN104968022A (en) * | 2015-05-28 | 2015-10-07 | 大唐移动通信设备有限公司 | User equipment network redirecting method and system |
| CN106301727B (en) * | 2015-06-05 | 2019-06-21 | 北京信威通信技术股份有限公司 | A kind of method of indicating cell radio resource state |
| CN107889241B (en) * | 2016-09-30 | 2020-03-06 | 电信科学技术研究院 | Terminal capability negotiation method, terminal and base station |
| CN109121169B (en) * | 2017-06-23 | 2021-04-13 | 中国移动通信有限公司研究院 | System information sending method, system information receiving method, base station and mobile communication terminal |
| CN108769982B (en) * | 2018-05-18 | 2021-08-17 | 中国移动通信集团江苏有限公司 | Terminal frequency band processing method, device, equipment and medium |
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