CN100574535C - Be used for from the system and method for a plurality of hubs to terminal feedback information - Google Patents
Be used for from the system and method for a plurality of hubs to terminal feedback information Download PDFInfo
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- CN100574535C CN100574535C CNB200610143567XA CN200610143567A CN100574535C CN 100574535 C CN100574535 C CN 100574535C CN B200610143567X A CNB200610143567X A CN B200610143567XA CN 200610143567 A CN200610143567 A CN 200610143567A CN 100574535 C CN100574535 C CN 100574535C
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Abstract
A kind of method that is used for sending feedback information at cordless communication network, comprising: a plurality of reception hubs in the range of receiving of user terminal receive a plurality of feedback informations; Generate the feedback information that merges according to a plurality of feedback informations; And via the feedback information of central hub to user terminal emission merging.
Description
Technical field
The present invention relates generally to mobile communications network, and, more specifically, relate to feedback to the information of user terminal.
Background technology
Often require to have the mobile network of hub (base station) graticule mesh of serving a plurality of user terminals (travelling carriage or any other access terminal) at present, for example cellular network is provided at some measurements that (a plurality of) service hubs (hub) locate to return to the user of access network the quality of reception.Generally use this feedback, be used to be updated periodically its emission parameter to optimize whole mobile communication network performance by user terminal.The concrete selection of the emission parameter at user terminal place can also influence and the contiguous hub in the range of receiving of user terminal emission between link performance and and its service hub between the performance of link.For the global optimization of network performance, at any given time, the quality of reception at hub place should be not only served in the selection of the emission parameter at user terminal place based on (a plurality of), also should be based on the influence of its emission to the adjacent hub in the range of receiving.
In traditional communication network, requirement directly provides the estimation of the quality of reception to user terminal with regard to their independent qualities of reception of feeling from all hubs in the range of receiving of the emission of user terminal.This means user terminal not only from the hub over against its service, also many other hubs from its near zone receive the feedback about the quality of reception of its emission.This requires user terminal to have and receives and handle the ability of a plurality of feedback information streams, and receives and handle from the data of its service hub that is connected to reception and the ability of feedback.Usually require by realize than keep with serve being connected of hub required element more, the treatment element from the feedback of a plurality of hubs, next this ability that provides in user terminal be provided.
In user terminal, the realization of additional element requires extra hardware and software resource.In addition, can change with network and the different of position, so the design of the receiver of user terminal will be more complicated owing to be used for the quantity of the treatment element of feedback information.
For example, in the HRPD (high rate packet data) with synchronous forward link and asynchronous reverse link (HRPD) network, power of reverse link control often is subjected to the influence of a plurality of sector of base station or base station.In typical scene, with single base station (or sector of base station) service forward link, with minimise interference, and a plurality of base station (or sector) service reverse link, to benefit from diversity.In such system, user terminal is from a plurality of base stations (or sector) received power control bit of service reverse link, and receives forward link data from single base station (or sector).This has forced the extra demand design of user terminal receiver, that distinguish deal with data and power control bits, especially has the treatment element of varying number.
Like this, desired is the system and method that reduces the quantity of the data flow that is received by user terminal.
Summary of the invention
The invention discloses the method and system that is used for sending feedback information at cordless communication network.According to a first aspect of the invention, this method comprises: the center device receives a plurality of feedback informations that these a plurality of reception hubs generate from a plurality of reception hubs in the range of receiving of user terminal; The center device generates the feedback information that merges according to a plurality of feedback informations; And the center device is via the feedback information of service hub to user terminal emission merging.
According to a second aspect of the invention, this method comprises: the service hub is from the indirect feedback information of location means reception in center about user terminal; The service hub generates direct feedback information according to the receiver that is used for directly receiving from user terminal reverse link; And serve hub and should merge into single feedback information with this direct feedback information by indirect feedback information, and to this single feedback information of user terminal emission.
According to a third aspect of the invention we, wireless communication system is included in the interior a plurality of reception hubs of range of receiving of user terminal, is configured to generate a plurality of feedback informations; The center device is used for basis generates merging from a plurality of feedback informations of a plurality of reception hubs receptions feedback information; And the service hub, the feedback information that is used to receive the feedback information of this merging and the feedback information that will merge and serve hub formation is merged into single feedback information, and And is to this single feedback information of user terminal emission.
According to a forth aspect of the invention, cordless communication network with center device of the feedback information that is used to merge, comprise: receiver module, be used for receiving independent feedback information from a plurality of reception hubs, wherein these a plurality of reception hubs are in the range of receiving of user terminal; Combiner module is used for basis generates merging from the independent feedback information of a plurality of reception hubs receptions feedback information; And command module, be used for sending the feedback information that merges to user terminal.
Yet, when read in conjunction with the accompanying drawings, from the explanation of following specific embodiment, will can understand meaning and method and other purposes of the present invention and the advantage of operation of the present invention.
Description of drawings
The accompanying drawing of this specification and form part are comprised describing particular aspects of the present invention.By the example shown in reference to the accompanying drawings (from rather than restrictive) embodiment, the clearer notion of the parts of the present invention and system provided by the invention and operation will become easier and understand, wherein, identical Reference numeral (if they occur in surpassing a secondary figure) is indicated components identical.By one or more with reference to these accompanying drawings, can understand the present invention better in conjunction with explanation given herein.It should be noted that the feature not to scale (NTS) that illustrates is in the drawings drawn.
Fig. 1 shows the cordless communication network of a plurality of hubs with separate information feedback.
Fig. 2 shows the cordless communication network of a plurality of hubs with according to an embodiment of the invention, collective's feedback information.
Fig. 3 illustrates according to embodiments of the invention, to the flow chart of the step of user terminal collective feedback information.
Embodiment
Can realize that the present invention is to be provided in communication network a plurality of hubs to the mechanism of terminal feedback information.Theme set forth herein can be used for using the wireless communication system of the multiplex signal of following technology: time division multiplexing (TDM, Time Division Multiplexing), code division multiplex (CDM, Code Division Multiplexing) and frequency division multiplex (FDM, Frequency DivisionMultiplexing).Yet the present invention mainly develops in the environment of code division multiple access (CDMA) cellular telecommunication communication system, and this system provides the high speed connectivity, comprises that data and the voice based on point-to-point and point-to-multipoint transmit.The first generation (simulation) and the second generation (numeral) cellular network are mainly used in via mobile honeycomb phone traffic voice flux, and have kept the concern to the cut-in method of the efficient transmission of voice messaging thus.Along with constantly popularizing of internet, continue to develop the third generation (3G) wideband multimedia cellular network, come with the speed more much higher than the available velocity of previous use first and second generations wireless network transmit voice-and-data the two.
Fig. 1 shows to have from a plurality of hub 110[0:4] the feedback information 105[0:4 of separation] conventional wireless communication network 100.Fig. 1 shows five example hub 110[0:4], it is to sub-district 115[0:4] communication service is provided respectively.In this cordless communication network 100, can be coupled and control these hubs 110 by at least one BSC (BaseStation Controller, base station controller).And, surpass a BSC if exist, then be coupled and control these BSC by concentrated RNC (Radio Network Controller, radio network controller).To for simplicity, Fig. 1 does not show BSC and RNC.Yet, it will be understood by those skilled in the art that the topological sum classification of conventional wireless communication network 100 can be used for the present invention.User terminal 120 is arranged in sub-district 115[3], make hub 110[3] serve the forward link of user terminal 120, hub 110[0:2 simultaneously] and 110[4] in the range of receiving of user terminal 120.Each hub 110[x] (wherein x=0:4) with its reception quality information 105[x] feed back to user terminal 120 respectively.A plurality of feedback informations stream 105[0:4 like this] require user terminal 120 to have more treatment element to handle them, thus increased the complexity of the design of the quantity of hardware and software and user terminal 120.
Fig. 2 shows the cordless communication network 200 of a plurality of hubs with collective's feedback information.Fig. 2 shows five example hub 210[0:4], it is respectively to sub-district 215[0:4] communication service is provided.User terminal 220 is arranged in sub-district 215[3], make hub 210[3] serve the forward link of user terminal 220, hub 210[0:2 simultaneously] and 210[4] in the range of receiving of user terminal 220.Network 200 is with hub 210[1] be appointed as central hub, and make the every other hub 210[0 of service not as yet in the range of receiving], 210[2] and 210[4] respectively to central hub 210[1] send their reception quality information 205[0], 205[2] and 205[4], rather than by each hub 210[0:4] separately to user terminal 220 feedback reception quality informations.Central hub 210[1 then] collect all feedback informations, and to service hub 210[3] send the quality of reception feedback flow 205[1 after merging].Feedback flow 205[1] can be described as indirect feedback information.The service hub 210[3 of one embodiment of the present of invention] with this indirect feedback information 205[1] merge mutually with its quality of reception feedback information (being also referred to as direct feedback information), form single feedback flow 205[3], then it is transmitted into the user terminal 220 of just serving forward link.Aforementioned central hub can only be the service hub, or is exclusively used in special-purpose hub from feedback information to user terminal that present.Similar to the legacy network system 100 among Fig. 1, the example network 200 that shows among Fig. 2 can comprise that also at least one is used to control hub 210[0:4] BSC and the concentrated RNC that is used for controlling (a plurality of) BSC.
By eliminating the demand that a plurality of hubs are directly fed back to the user terminal emission quality of reception, major advantage of the present invention comprises resource utilization efficiently.By receiving single feedback flow, user terminal does not need extra reception and treatment element.Therefore, because the quantity of treatment element is fixed this fact to data and feedback flow, simplified the realization of diversity merging (words if any) in the user terminal.
Although this embodiment has only described the feedback reception quality information, one skilled in the art will further recognize that the disclosure can be used for different feedback information.For example, the present invention can be used for having HRPD (high rate packet data) (HRPD) network of synchronous forward link and asynchronous reverse link.According to one embodiment of present invention, all base stations of HRPD network receive reverse link from user terminal, and their power control bits separately judged send to the center device that it can be serving BS, base station controller (BSC) or radio network controller (RNC).In example, any parts in the topology of hub or base stations control classification all can be played the part of the role of center device.The present invention does not limit the place or the parts of center device.Power control bits judgement after the center device will merge then sends to serving BS.Serving BS is judged the power control bits to forward link that integral body merges, send with forward link data.Therefore, user terminal can be handled forward link data and power control bits by the treatment element of equal number in its receiver.In one embodiment, the center device can comprise receiver module, combiner module and command module.Receiver module is configured to receive independent feedback information from a plurality of reception hubs.These a plurality of reception hubs are in the range of receiving of user terminal.Combiner module is configured to generate the feedback information that merges according to the independent feedback information that receives from a plurality of reception hubs.And the feedback information that command module is configured to merge sends to user terminal.
Fig. 3 illustrates according to embodiments of the invention, to the flow chart of the step of user terminal collective feedback information.User terminal is arranged in the cordless communication network with hub graticule mesh.The particular hub of serving user terminal can generate feedback information, and the every other hub in the range of receiving of user terminal also generates feedback information.Feedback information can be a reception quality information.According to embodiments of the invention, step 310 is to generate feedback information by each hub in the range of receiving of user terminal.Step 320 is to launch all feedback informations to central hub.Step 330 is to merge all feedback informations to form the feedback information that merges by central hub.Step 340 is the feedback informations that merge to the emission of service hub.Step 350 is that the feedback information that will merge merges mutually with the feedback information that is generated by the service hub, to form single feedback information stream.Step 360 is to launch single feedback information to user terminal, and wherein user terminal only receives a feedback data stream, and does not need to have extra treatment element thus.
Above explanation many different embodiment are provided or are used to realize the embodiment of different characteristic of the present invention.The specific embodiment of parts and processing is illustrated helps clarify the present invention.Certainly, these are embodiment, and do not wish to limit the present invention who is described by claim.
Although illustrate and illustrated the present invention as in one or more specific example, implementing at this, but do not wish it become to shown in the restriction of details, this is because not breaking away under spirit of the present invention and the field and the prerequisite in the scope at the equivalent of claim, can carry out various modifications and structural change.Therefore, should recognize should be widely and explain claims in the corresponding to mode of being set forth with claim of scope of the present invention.
Claims (10)
1, a kind of method that is used for sending at cordless communication network feedback information comprises:
The center device receives a plurality of feedback informations that these a plurality of reception hubs generate from a plurality of reception hubs in the range of receiving of user terminal;
The center device generates the feedback information stream that merges according to a plurality of feedback informations; And
The center device merges the single feedback information stream that obtains to the user terminal emission by this service hub feedback information stream that will merge and the feedback information that the service hub forms via the service hub.
2, the method for claim 1, wherein each in these a plurality of feedback informations all comprises reception quality information.
3, the method for claim 1, wherein carry out this method by the center device of from following combination, selecting:
Central hub;
At least one base station controller (BSC), it controls a plurality of reception hubs and central hub; And
Radio network controller (RNC), it is coupled to described at least one BSC.
4, method as claimed in claim 3 is wherein selected central hub from a plurality of reception hubs.
5, a kind of method that is used for sending at cordless communication network feedback information comprises:
The service hub is from the indirect feedback information of location means reception in center about user terminal, and wherein the center device merges the indirect feedback information of generation according to the independent feedback information that generates from a plurality of reception hubs in the range of receiving of user terminal;
The service hub generates direct feedback information according to the receiver that is used for directly receiving from user terminal reverse link; And
The service hub should be merged into single feedback information stream with this direct feedback information by indirect feedback information, and to this single feedback information stream of user terminal emission.
7, method as claimed in claim 5, wherein from by selecting the center device the following group that forms:
Central hub;
At least one base station controller (BSC), it controls a plurality of reception hubs and central hub; And
Radio network controller (RNC), it is coupled to described at least one BSC.
8, a kind of wireless communication system with a plurality of hubs comprises:
A plurality of reception hubs in the range of receiving of user terminal are configured to generate a plurality of feedback informations;
The center device is used for basis generates merging from a plurality of feedback informations of a plurality of reception hubs receptions feedback information stream; And
The service hub is used to receive the feedback information stream of this merging and feedback information stream that will merge and the feedback information that the service hub forms are merged into single feedback information stream, and to this single feedback information stream of user terminal emission.
9, system as claimed in claim 8, wherein from by selecting the center device the following group that forms:
Central hub;
At least one base station controller (BSC), it controls a plurality of reception hubs and central hub; And
Radio network controller (RNC), it is coupled to described at least one BSC.
10, central hub is wherein selected by system as claimed in claim 9 from a plurality of reception hubs.
11, a kind of center device that is used for the feedback information that merges at wireless communication system comprises:
Receiver module is used for receiving independent feedback information from a plurality of reception hubs, and wherein these a plurality of reception hubs are in the range of receiving of user terminal;
Combiner module is used for basis generates merging from the independent feedback information of a plurality of reception hubs receptions feedback information stream; And
Command module is used for sending the feedback information stream that merges to user terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| US73647405P | 2005-11-12 | 2005-11-12 | |
| US60/736,474 | 2005-11-12 | ||
| US11/586,986 | 2006-10-25 |
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| CN1992946A CN1992946A (en) | 2007-07-04 |
| CN100574535C true CN100574535C (en) | 2009-12-23 |
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| CN102291823A (en) * | 2007-08-24 | 2011-12-21 | 华为技术有限公司 | Method and equipment for transmitting reports in communication system |
| WO2010099653A1 (en) | 2009-03-03 | 2010-09-10 | 深圳华为通信技术有限公司 | Signal encoding method and apparatus, and combination feedback signal encoding method |
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