CN101242565B - Uplink macro diversity method in mobile communication system - Google Patents
Uplink macro diversity method in mobile communication system Download PDFInfo
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- CN101242565B CN101242565B CN2007100636591A CN200710063659A CN101242565B CN 101242565 B CN101242565 B CN 101242565B CN 2007100636591 A CN2007100636591 A CN 2007100636591A CN 200710063659 A CN200710063659 A CN 200710063659A CN 101242565 B CN101242565 B CN 101242565B
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Abstract
本发明涉及一种移动通信系统的上行宏分集方法，在软切换过程中，包括：当无线网络控制器或基站接收到测量报告时，均解包测量报告，获得各条数据链路的链路质量；对解包后的测量报告进行分析，如果用于执行上行宏分集操作的第一无线网络控制器或第一基站的链路质量最高，则直接将从所在的数据链路接收的数据上传给核心网设备。本发明中都对测量报告进行解包，以判断哪条数据链路的链路质量最好，直接将链路质量最好的数据链路通过用于上行宏分集的无线网络控制器或基站将数据上传到核心网设备，在这个过程中不在无线网络控制器之间或者基站之间传输质量不是最好的数据或通知用的信令，从而降低软切换时上行宏分集的网络通信量，减轻了网络负载。
The present invention relates to an uplink macro-diversity method of a mobile communication system. During the soft handover process, the steps include: when a radio network controller or a base station receives a measurement report, unpack the measurement report and obtain links of each data link Quality: analyze the unpacked measurement report, if the link quality of the first radio network controller or the first base station used to perform the uplink macrodiversity operation is the highest, directly upload the data received from the data link where it is located to the core network equipment. In the present invention, the measurement report is unpacked to determine which data link has the best link quality, and the data link with the best link quality is directly sent to the radio network controller or base station for uplink macrodiversity. The data is uploaded to the core network equipment. In this process, the data with poor quality or the signaling for notification is not transmitted between the wireless network controllers or between the base stations, thereby reducing the network traffic of uplink macro-diversity during soft handover and reducing the network load.
Description
Technical field
The present invention relates to a kind of uplink macro diversity method of mobile communication system, when subscriber equipment carries out soft handover in the leap sub-district in especially a kind of mobile communication system a plurality of signal of base station are carried out the method that uplink macro diversity merges.
Background technology
In mobile communication system, the signal that portable terminal will carry out when crossing over the sub-district between former sub-district and the new sub-district usually connects switching, with universal mobile telecommunications system (Universal MobileTelecommunications System, be called for short UMTS) be example, as subscriber equipment (User Equipment, be called for short UE) when carrying out handover, in order to guarantee the quality of Radio Link, the signal that needs to keep continuous connects, that is to say that UE is before the connection that disconnects old sub-district, need to set up and being connected of new sub-district, thereby can maintain the signal connection when switching, this switching mode is called as soft handover.In soft switching process, UE communicates by letter with two base stations (Node B) that participate in switching at least, in order to improve UE signal quality when the handover, and can obliterated data in the maintenance handoff procedure, UE and general mobile mobile system grounding wireless access network (UMTS Terrestrial Radio Access Network, be called for short UTRAN) merge carry out diversity from a plurality of signal of base station respectively, the technology that this diversity merges is called as grand diversity.Account for the network of more ratio for the switch area at whole network, for example, the switch area of WCDMA accounts for 30% to 40% of whole network, and it is very important to network how to carry out uplink macro diversity.
Prior art provides a kind of and has carried out the technical scheme of uplink macro diversity based on traditional UMTS framework, as shown in Figure 1, is a kind of application structure schematic diagram of uplink macro diversity in the prior art.In this application scenarios, the Node B2 and the Node B3 that participate in the UE1 switching belong to same radio network controller 4 (Radio Network Controller, be called for short RNC), this RNC4 receives the data from two Node B, select from the measured link of matter in the signal link of two Node B with predetermined period or according to the measurement report that particular event sends according to UE1, upwards send the signal of this link to equipment of the core network 5 (for example GGSN/SGSN).
As shown in Figure 2, another kind of application structure schematic diagram for uplink macro diversity in the prior art, in this application scenarios, the Node B2 that participates in the UE1 switching belongs to different RNC with Node B3, wherein Node B2 belongs to RNC4, Node B3 belongs to 6, in the relevant RNC that receives the UE1 data, having only a RNC can carry out that data are carried out grand diversity merges, and be uploaded to equipment of the core network 5, this RNC is defined as a RNC, and the Node B that links to each other with a RNC is defined as a Node B.Be defined as the 2nd RNC for the RNC that does not carry out grand diversity merging, the Node B that links to each other with the 2nd RNC is defined as the 2nd Node B.RNC4 is a RNC in Fig. 2, RNC6 is the 2nd RNC, and RNC6 gives RNC4 from Node B3 reception data and forwarding, by RNC4 the measurement report that UE1 sends is untied then, the signal of determining which link is best, selects the best link of signal to upload the data to equipment of the core network 5.In the prior art, have only a RNC just measurement report to be carried out and separate package operation, other the 2nd RNC is just simple to receive measurement report, and measurement report is not analyzed.Measurement report is to send to each RNC by UE according to the incident that predetermined cycle or user trigger, and includes the link quality parameter of the data link that is associated with UE in measurement report, for example the error rate, signal to noise ratio etc.This technology has certain defective, is mainly reflected in each the 2nd RNC and all will gives a RNC with the data forwarding that receives from UE, has so just greatly increased the traffic between a RNC and the 2nd RNC, and offered load is very heavy.
Summary of the invention
The objective of the invention is to propose a kind of uplink macro diversity method of mobile communication system, the Internet traffic of uplink macro diversity alleviates offered load in the time of can reducing soft handover.
For achieving the above object, the invention provides a kind of uplink macro diversity method of mobile communication system, in soft switching process, may further comprise the steps:
When several radio network controllers in each bar data link of subscriber equipment access core net receive the measurement report of described subscriber equipment transmission, all unpack described measurement report, obtain the link-quality that described subscriber equipment inserts each bar data link of core net;
Described several radio network controllers are analyzed the measurement report after unpacking, if it is the highest in described each bar data link to be used for carrying out the link-quality of data link at the first radio network controller place of uplink macro diversity operation, then the data upload that directly will be received from the data link at place by described first radio network controller is given equipment of the core network;
If being used for carrying out the link-quality of data link at the first radio network controller place of uplink macro diversity operation is not the highest in described each bar data link, then second radio network controller in the data link that link-quality is the highest will be given described first radio network controller from the data forwarding that the data link at place receives, and the data upload of will described second radio network controller being transmitted by described first radio network controller is to equipment of the core network again.
For achieving the above object, the present invention also provides the uplink macro diversity method of another kind of mobile communication system, in soft switching process, may further comprise the steps:
When several radio network controllers in each bar data link of subscriber equipment access core net receive the measurement report of described subscriber equipment transmission, all unpack described measurement report, obtain the link-quality that described subscriber equipment inserts each bar data link of core net;
Described several radio network controllers are analyzed the measurement report after unpacking, the link-quality of data link that is used for carrying out the first radio network controller place of uplink macro diversity operation is not the highest in described each bar data link, then second radio network controller in the data link that link-quality is the highest will be given described first radio network controller from the data forwarding that the data link at place receives, and the data upload of will described second radio network controller being transmitted by described first radio network controller is to equipment of the core network again.
In technique scheme, if it is the highest in described each bar data link to be used for carrying out the link-quality of data link at the first radio network controller place of uplink macro diversity operation, then the data upload that directly will be received from the data link at place by described first radio network controller is given equipment of the core network.
For the flattening network architecture, promptly do not have RNC, and the RNC partial function is distributed to the network architecture among each Node B, for achieving the above object, the invention provides a kind of uplink macro diversity method of mobile communication system, in soft switching process, may further comprise the steps:
When the base station of several data link correspondences of subscriber equipment access core net receives the measurement report of described subscriber equipment transmission, all unpack described measurement report, obtain the link-quality that described subscriber equipment inserts several data link of core net;
Described several base stations are analyzed the measurement report after unpacking, if it is the highest in described each bar data link to be used for carrying out the link-quality of data link at place, first base station of uplink macro diversity operation, then the data upload that directly will be received from the data link at place by described first base station is given equipment of the core network;
If being used for carrying out the link-quality of data link at the place, first base station of uplink macro diversity operation is not the highest in described each bar data link, then described first base station will be given from the data forwarding that the data link at place receives in second base station in the data link that link-quality is the highest, and the data upload of will described second base station being transmitted by described first base station is to equipment of the core network again.
For achieving the above object, the present invention also provides the uplink macro diversity method of another kind of mobile communication system, in soft switching process, may further comprise the steps:
When the base station of several data link correspondences of subscriber equipment access core net receives the measurement report of described subscriber equipment transmission, all unpack described measurement report, obtain the link-quality that described subscriber equipment inserts several data link of core net;
Described several base stations are analyzed the measurement report after unpacking, if being used for carrying out the link-quality of data link at the place, first base station of uplink macro diversity operation is not the highest in described each bar data link, then described first base station will be given from the data forwarding that the data link at place receives in second base station in the data link that link-quality is the highest, and the data upload of will described second base station being transmitted by described first base station is to equipment of the core network again.
In technique scheme, if it is the highest in described each bar data link to be used for carrying out the link-quality of data link at place, first base station of uplink macro diversity operation, then the data upload that directly will be received from the data link at place by described first base station is given equipment of the core network.
Based on technique scheme, the present invention has the following advantages: radio network controller relevant with subscriber equipment or base station are all unpacked measurement report, best with the link-quality of judging any bar data link, directly the data link that link-quality is best upload the data to equipment of the core network by radio network controller or the base station that is used for uplink macro diversity, in this process not between radio network controller or base station transmission quality be not the signaling of best data and notice usefulness, thereby the Internet traffic of uplink macro diversity has alleviated offered load when reducing soft handover.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is a kind of application structure schematic diagram of uplink macro diversity in the prior art.
Fig. 2 is the another kind of application structure schematic diagram of uplink macro diversity in the prior art.
Fig. 3 is applied to a kind of application structure schematic diagram of conventional communication networks framework for the method for uplink macro diversity of the present invention.
Fig. 4 is applied to the another kind of application structure schematic diagram of conventional communication networks framework for the method for uplink macro diversity of the present invention.
Fig. 5 is the schematic flow sheet of an embodiment of the method for uplink macro diversity of the present invention.
Fig. 6 is applied to a kind of application structure schematic diagram of flattening architectures of communication networks for the method for uplink macro diversity of the present invention.
Fig. 7 is applied to the another kind of application structure schematic diagram of flattening architectures of communication networks for the method for uplink macro diversity of the present invention.
Fig. 8 is the schematic flow sheet of another embodiment of the method for uplink macro diversity of the present invention.
Embodiment
Design of the present invention is: because UE sends measurement report by predetermined period or according to customer incident to each RNC, and for each RNC, can know the best in quality of any bar data link among each RNC according to measurement report, therefore each RNC is unpacked to measurement report, give core net according to the measurement report data upload that link-quality is best then.Have only a RNC just measurement report to be unpacked in prior art, need other the 2nd RNC to give a RNC with data forwarding, the volume of transmitted data of uplink macro diversity when having reduced soft handover has also alleviated offered load.
Fig. 3-the 5th, the uplink macro diversity method of this mobile communication system is applied to the embodiment of traditional mobile communications network framework, and wherein Fig. 5 is the schematic flow sheet of an embodiment of the method for uplink macro diversity of the present invention, in soft switching process, may further comprise the steps:
Step 101, when subscriber equipment inserts several radio network controllers in each bar data link of core net and receives the measurement report that described subscriber equipment sends, all unpack described measurement report, obtain the link-quality that described subscriber equipment inserts each bar data link of core net;
Step 102, described several radio network controllers are analyzed the measurement report after unpacking, the link-quality of data link of judging the first radio network controller place be used for carrying out the uplink macro diversity operation in described each bar data link whether for the highest, be execution in step 103 then, otherwise execution in step 104;
The data upload that step 103, described first radio network controller directly will receive from the data link at place is given equipment of the core network, end operation then;
The data forwarding that second radio network controller in the highest data link of step 104, link-quality will receive from the data link at place is given described first radio network controller, and the data upload of will described second radio network controller being transmitted by described first radio network controller is to equipment of the core network again.
In the step 103 of present embodiment, the link-quality of data link at first radio network controller, 4 places that is used for carrying out the uplink macro diversity operation is when each bar data link is the highest, then as shown in Figure 3, the data upload that directly will be received from the data link at place by radio network controller 4 is given equipment of the core network 5.And when the link-quality of the data link at first radio network controller, 4 places when not being the highest, can adopt flow process shown in Figure 4, promptly the data forwarding that will be received from the data link at place by second radio network controller 7 in the highest data link of link-quality is given first radio network controller 4, and the data upload of second radio network controller 7 being transmitted by first radio network controller 4 is given equipment of the core network 5 again.
In the present embodiment, adopt flow process of the prior art when can not be the highest also at the link-quality of the data link at first radio network controller, 4 places, promptly with radio network controller that subscriber equipment is associated in, except being used to carry out first radio network controller 4 of uplink macro diversity operation, other radio network controllers all with the transfer of data that receives to first radio network controller 4, by first radio network controller 4 data that receive are carried out grand diversity again and merge, be uploaded to equipment of the core network 5 then.Same, when adopting step 104, step 103 also can replace with the flow process of prior art.
In the network architecture of flattening, the partial function of radio network controller is dispersed in the base station, the invention provides another embodiment based on this network architecture and is described, and as Fig. 6-8, in soft switching process, may further comprise the steps:
When the base station of several data link correspondences of step 201, subscriber equipment access core net receives the measurement report of described subscriber equipment transmission, all unpack described measurement report, obtain the link-quality that described subscriber equipment inserts several data link of core net;
The data upload that step 203, first base station directly will receive from the data link at place is given equipment of the core network, and end operation;
The data forwarding that second base station in the highest data link of step 204, link-quality will receive from the data link at place is given described first base station, and the data upload of will described second base station being transmitted by described first base station is to equipment of the core network again.
In the step 203 of present embodiment, the link-quality of data link at 8 places, first base station that is used for carrying out the uplink macro diversity operation is when each bar data link is the highest, then as shown in Figure 6, the data upload that directly will be received from the data link at place by first base station 8 is given equipment of the core network 5.And when the link-quality of the data link at 8 places, first base station when not being the highest, can adopt flow process shown in Figure 7, promptly the data forwarding that will be received from the data link at place by second base station 9 in the highest data link of link-quality is given first base station 8, and the data upload of second base station 9 being transmitted by first base station 8 is given equipment of the core network 5 again.
In the present embodiment, adopt flow process of the prior art when can not be the highest also at the link-quality of the data link at 8 places, first base station, promptly with the subscriber equipment associated base station in, except being used to carry out first base station 8 of uplink macro diversity operation, other base stations all with the transfer of data that receives to first base station 8, by first base station 8 data that receive are carried out grand diversity again and merge, be uploaded to equipment of the core network 5 then.Same, when adopting step 204, step 203 also can replace with the flow process of prior art.
Because the present invention can directly give core net with the data upload that receives when the link-quality of first radio network controller that is used to carry out the uplink macro diversity operation or first base station is best, therefore be not the load of network increase data and signaling.And when the link-quality of first radio network controller or first base station be not preferably the time, only need best second radio network controller or second base station of link-quality to send the data to first radio network controller or first base station, compared with prior art, reduced between the radio network controller or the transfer of data between the base station, also increased power system capacity.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (4)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100636591A CN101242565B (en) | 2007-02-07 | 2007-02-07 | Uplink macro diversity method in mobile communication system |
| PCT/CN2008/000269 WO2008095413A1 (en) | 2007-02-07 | 2008-02-02 | Method and device of uplink macro diversity in telecommunication system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007100636591A CN101242565B (en) | 2007-02-07 | 2007-02-07 | Uplink macro diversity method in mobile communication system |
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| CN101242565A CN101242565A (en) | 2008-08-13 |
| CN101242565B true CN101242565B (en) | 2011-03-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103002533B (en) * | 2012-12-31 | 2015-12-09 | 京信通信系统（中国）有限公司 | A kind of processing method of grand diversity and device |
| US10440601B2 (en) * | 2015-11-24 | 2019-10-08 | Ipcom Gmbh & Co. Kg | Controlling uplink traffic received by multiple base stations |
| CN109561455B (en) * | 2018-12-14 | 2022-02-18 | 四川通信科研规划设计有限责任公司 | Communication system and method of hybrid network |
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| SE516723C2 (en) * | 1994-12-08 | 2002-02-19 | Ericsson Telefon Ab L M | Method and device for uplink macro diversity in a digital mobile radio communication system |
| EP1501209A1 (en) * | 2003-07-25 | 2005-01-26 | Evolium S.A.S. | Uplink macro diversity method |
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| CN101242565A (en) | 2008-08-13 |
| WO2008095413A1 (en) | 2008-08-14 |
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