CN101132606A - Method for improving user communication quality - Google Patents
Method for improving user communication quality Download PDFInfo
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- CN101132606A CN101132606A CNA2006101098962A CN200610109896A CN101132606A CN 101132606 A CN101132606 A CN 101132606A CN A2006101098962 A CNA2006101098962 A CN A2006101098962A CN 200610109896 A CN200610109896 A CN 200610109896A CN 101132606 A CN101132606 A CN 101132606A
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Abstract
This invention discloses a method for increasing communication quality of users, in which, a radio network controller sends a control signaling notification to node B in the report mode of FP frame and channel quality, which structures an E-DCH FP frame in the report mode of FP and channel quality informed by the control signaling and reports it to the radio network controller to get quality information of up-line transmission channel or physical channel quality and takes it as the base of outer ring power control.
Description
Technical field
The frequency resource that the present invention relates to a kind of radio honeycomb communication system is shared method, relate in particular to the network controls Node B reporting channel quality of the high speed up packet access system of Wideband Code Division Multiple Access (WCDMA) (WCDMA) mobile communication system, thereby improve the method for user communication quality.
Background technology
The up flank speed that the R99 standard agreement of WCDMA mobile communication system offers the user is generally 384kbps, and hot zones can provide the speed of 2Mbps.From the supported performance that is used for the dedicated channel (dedicatedchannel:DCH) of transmitting grouped data of R99, for the user in general area, the function of the transmission Packet Service that the R99 standard agreement provides can satisfy user's demand, but along with Packet Service user's increase and to the demand of high speed packet service, the rate bandwidth that R99 provides can not satisfy hot zones user's demand; Therefore the R5 standard agreement has been introduced a kind of reinforced special uplink channel (Enhanced UL DCH:E-DCH), and this channel has adopted and mixed (HARQ) and Adaptive Modulation and Coding (AMC) technology of retransmitting automatically, makes peak rate can reach 5.76Mbps.Its final purpose is by providing high speed packet service to be inserted the capacity that increases system and reduces transmission delay to improve the requirement of user to service quality (Quality of Service:Qos).
E-DCH can exist simultaneously with DCH, also can use separately, though the characteristics of E-DCH channel and the characteristics of DCH have very big difference, special-purpose control physical channel (Dedicated Physical Control Channel:DPCCH) all exists, and there is closed-loop power control in DPCCH.The purpose of closed-loop power control is in order to adjust the transmitting power of each travelling carriage, reduce the influence of this near-far interference, guarantee that as far as possible the power that the base station receives all travelling carriages all equates, thereby make each user can both satisfy the service quality (Quality of Service:Qos) of transport service.Closed power control comprises inner loop power control and exterior ring power control, inner loop power control 3GPP agreement has been reserved rule, but the standard of inner loop power control institute foundation: and target signal interference ratio (Signal to Interference Ratio target:SIRtarget) need dynamically be adjusted according to user's Qos demand and current channel quality by service network controller (ServingRadio Network Controller:SRNC).SRNC can have the quality of propagation channel quality, physical channel according to the foundation of channel quality, because being the Block Error Rate that guarantees the user, the final purpose of closed-loop power control reaches certain requirement, therefore when transmission channel has more data to send, then adopt transmission channel quality as the judgement foundation, when transmission channel has less data or free of data to send, then can adopt the physical channel quality as the judgement foundation.
Present 3GPP protocol specification, at dedicated transmission channel (DCH), carried channel quality information (QE) on its FP frame, and radio network controller can be by the NBAP signaling to Node B, the report manner that reports mode and channel quality of FP frame, according to the channel quality (transmission channel quality or physical channel quality) that Node B is reported, SRNC can be used as the basis for estimation of external circule power control.But after the R6 version is introduced E-DCH (enhanced uplink dedicated transmission channel) transmission channel, the information of not carrying channel quality on the FP frame of E-DCH, if therefore working as user uplink does not exist under exclusive data physical channel (the Dedicated Physical Data Channel:DPDCH) situation, when having data to send on E-DCH, the user (, is about to seldom have data to send on then such as downloading service; Perhaps when Node B (Node B) sends data owing to the load reason has limited user uplink), then radio network controller can be inferred current channel quality according to the entrained number of retransmissions of E-DCH FP frame; If but on the E-DCH when not having data to send to radio network controller, then radio network controller can't obtain any channel quality information from E-DCH FP frame.Therefore radio network controller can't be adjusted the signal interference ratio desired value of up Dedicated Control Channel (DPCCH) this moment, so when the quality of wireless channel variation, because adjustment signal interference ratio desired value that can not be real-time then can cause radio link failure, final call drop.
A kind of method that improves user communication quality provided by the invention can make radio network controller under any circumstance can obtain channel quality according to the demand of oneself, as the foundation of external circule power control, improves the user's communications quality.
Summary of the invention
In order to overcome above-mentioned defective, the object of the present invention is to provide a kind of method that improves user communication quality, this method reports the report mode and the channel quality of E-DCH FP frame to report the control of mode by radio network controller to Node B, so that radio network controller can under any circumstance can obtain the foundation of channel quality as external circule power control according to the demand of oneself, improve the user's communications quality.
For achieving the above object, a kind of method that improves user communication quality of the present invention comprises:
(1) the radio network controller enhanced uplink dedicated transmission channel that has been the wireless link distribution set up of Node B and user terminal, and the frame protocol of enhanced uplink dedicated transmission channel (E-DCH FP frame) can be carried channel quality information;
(2) radio network controller reports mode and channel quality to report the control signaling of mode to the frame protocol that Node B sends the enhanced uplink dedicated transmission channel;
(3) Node B reports mode and channel quality to report mode according to the frame protocol of the enhanced uplink dedicated transmission channel of radio network controller control signaling, make up the frame protocol of enhanced uplink dedicated transmission channel, and report radio network controller.
Wherein, it is normal (normal) or acquiescence (silent) that the frame protocol of described enhanced uplink dedicated transmission channel reports mode, and the mode that described channel quality reports is for selecting (select) or not selecting (not select).
Wherein, described step (2) is specially:
(21A) to report mode be normal to radio network controller frame protocol from the enhanced uplink dedicated transmission channel to Node B that send, and channel quality to report mode be the control signaling of selecting;
Described step (3) is specially:
(31A) when on the enhanced uplink dedicated transmission channel data being arranged, Node B makes up enhanced uplink dedicated transmission channel frame protocol according to the control signaling that receives, the error rate of enhanced uplink dedicated transmission channel is mapped as the channel quality information of this channel according to default mapping relations, and the channel quality information of this channel is filled in the enhanced uplink dedicated transmission channel frame protocol, report radio network controller;
When on the enhanced uplink dedicated transmission channel during free of data, Node B makes up enhanced uplink dedicated transmission channel frame protocol according to the control signaling that receives constantly in regulation, up special-purpose control error rate of physical channel is mapped as the channel quality information of this channel according to default mapping relations, and the channel quality information of this channel is filled in the enhanced uplink dedicated transmission channel frame protocol, report radio network controller.
Wherein, described step (2) is specially:
(21B) to report mode be normal to radio network controller frame protocol from the enhanced uplink dedicated transmission channel to Node B that send, and channel quality to report mode be unselected control signaling;
Described step (3) is specially:
(31B) when on the enhanced uplink dedicated transmission channel data being arranged, Node B makes up enhanced uplink dedicated transmission channel frame protocol according to the control signaling that receives, up special-purpose control error rate of physical channel is mapped as the channel quality information of this channel according to default mapping relations, and the channel quality information of this channel is filled in the enhanced uplink dedicated transmission channel frame protocol, report radio network controller;
When on the enhanced uplink dedicated transmission channel during free of data, Node B makes up enhanced uplink dedicated transmission channel frame protocol according to the control signaling that receives constantly in regulation, up special-purpose control error rate of physical channel is mapped as the channel quality information of this channel according to default mapping relations, and the channel quality information of this channel is filled in the enhanced uplink dedicated transmission channel frame protocol, report radio network controller.
Wherein, described step (2) is specially:
(21C) to report mode be acquiescence to radio network controller frame protocol from the enhanced uplink dedicated transmission channel to Node B that send, and the control signaling of mode for selecting that report of channel quality;
Described step (3) is specially:
(31C) when on the enhanced uplink dedicated transmission channel data being arranged, Node B makes up enhanced uplink dedicated transmission channel frame protocol according to the control signaling that receives, the error rate of enhanced uplink dedicated transmission channel is mapped as the channel quality information of this channel according to default mapping relations, and the channel quality information of this channel is filled in the enhanced uplink dedicated transmission channel frame protocol, report radio network controller;
When on the enhanced uplink dedicated transmission channel during free of data, Node B does not make up enhanced uplink dedicated transmission channel frame protocol.
Wherein, described step (2) is specially:
(21D) to report mode be acquiescence to radio network controller frame protocol from the enhanced uplink dedicated transmission channel to Node B that send, and the mode that channel quality reports is unselected control signaling;
Described step (3) is specially:
(31D) when on the enhanced uplink dedicated transmission channel data being arranged, Node B makes up enhanced uplink dedicated transmission channel frame protocol according to the control signaling that receives, up special-purpose control error rate of physical channel is mapped as the channel quality information of this channel according to default mapping relations, and the channel quality information of this channel is filled in the enhanced uplink dedicated transmission channel frame protocol, report radio network controller;
When on the enhanced uplink dedicated transmission channel during free of data, Node B does not make up enhanced uplink dedicated transmission channel frame protocol.
Wherein, described regulation makes up the time interval of enhanced uplink dedicated transmission channel frame protocol constantly, by the control signaling of radio network controller, perhaps by standard protocol specifies regular time interval.
Wherein, during free of data, enhanced uplink dedicated transmission channel frame protocol is carried transmission by the transmission that is mapped to any one the multimedia access control-d stream (Mac-d) on the enhanced uplink dedicated transmission channel on the described enhanced uplink dedicated transmission channel.
Method provided by the invention reports the mode of FP frame and the mode of reporting channel quality by radio network controller Control Node B, make radio network controller can know the up special-purpose control physical channel quality of up Dedicated Control Channel in real time, so that can be used as the foundation of external circule power control suitable the time, thereby improve the capacity of user's communications quality and system.
Description of drawings
Fig. 1 is the overview flow chart of technical solution of the present invention;
Fig. 2 is the concrete implementing procedure figure of technical solution of the present invention.
Embodiment
Core concept of the present invention is: at subscriber equipment, Node B and radio network controller are in interior mobile communication system, radio network controller and Node B have been set up user's Radio Link and uplink assignment E-DCH (enhanced uplink dedicated transmission channel) for user terminal, appoint E-DCHFP frame (the FP frame of enhanced uplink dedicated transmission channel) can carry under the prerequisite of information (QE) of channel quality, during radio network controller Control Node B reporting channel quality, send the notice of " the FP frame reports mode " and " channel quality reports mode " to Node B by radio network controller, Node B is carried out the reporting channel quality according to " the FP frame reports mode " and " channel quality reports mode " of radio network controller notice, make radio network controller can know uplink transport channel or up special-purpose control physical channel quality information in real time, so that can be used as the foundation of external circule power control suitable the time, improve the user's communications quality.
" the FP frame reports mode " of above-mentioned radio network controller Control Node B, adopt the mode of FP mode, value is { silent, normal}, if the value of FP mode is made as silent, when then being illustrated in E-DCH Data Receiving being arranged, Node B sends E-DCH FP frame to radio network controller, and free of data does not then send E-DCH FP frame when receiving; If the value of FP mode is made as normal, then E-DCH has or not back end B will send E-DCH FP frame to radio network controller, and the E-DCH FP frame during free of data has some information on loads, quality information etc.;
" channel quality reports mode " of above-mentioned radio network controller Control Node B, adopt the QE_Selector mode, value is { select, not sclect}, if the value of QE_Selector is made as select, Node B if the E-DCH transmission channel has effective transmission channel bit error rate, then is with transmission channel bit error rate when sending the FP frame to radio network controller so; Otherwise be with up special-purpose control error rate of physical channel; If the value of QE_Selector is made as not select, Node B is with up special-purpose control error rate of physical channel when sending the FP frame to radio network controller so;
When if Node B is not received data on the user E-DCH, the time interval that makes up E-DCH FP frame can be passed through the wireless network control signaling;
When if Node B is not received data on the user E-DCH, the time interval that makes up E-DCH FP frame also can by regular time of standard protocol specifies at interval, such as 10ms;
When if Node B is not received data on the user E-DCH, E-DCH FP frame can also send with the transmission bearer that is mapped to any one the multimedia access control-d stream (Mac-d flow) on the E-DCH.
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme of the present invention:
As shown in Figure 2, present embodiment provides a kind of mode of radio network controller Control Node B reporting channel quality:
Step 110: radio network controller reports the mode (FP MODE) and the channel quality of E-DCH FP frame to report mode (Qe_selector) by the signaling Node B;
Step 120: if FP mode is normal, and Qe_selector is select, and then execution in step 130;
Step 130: when on the E-DCH data being arranged, Node B makes up E-DCH FP frame, the error rate with the E-DCH transmission channel is mapped as the channel quality information of E-DCH transmission channel according to default mapping relations with it earlier, and the channel quality information of E-DCH transmission channel is filled in the E-DCH FP frame of Node B structure;
When E-DCH goes up free of data, (this regulation can be given Node B by the wireless network control signaling to Node B constantly constantly in regulation, perhaps by standard protocol specifies regular time interval, such as 10ms) structure E-DCH FP frame, elder generation is mapped as the up special-purpose channel quality information of controlling physical channel with up special-purpose control error rate of physical channel according to the mapping relations of presetting, and the channel quality information with this up special-purpose control physical channel is filled in the E-DCH FP frame of Node B structure then; Execution in step 200;
Step 140: if FP mode is normal, and Qe_selector is not select, and then execution in step 150;
Step 150: when on the E-DCH data being arranged, Node B makes up E-DCH FP frame, elder generation is mapped as the up special-purpose channel quality information of controlling physical channel with up special-purpose control error rate of physical channel according to the mapping relations of presetting, and the channel quality information with this up special-purpose control physical channel is filled in the E-DCH FP frame of Node B structure then;
When E-DCH goes up free of data, (this regulation can be given Node B by the wireless network control signaling to Node B constantly constantly in regulation, perhaps by standard protocol specifies regular time interval, such as 10ms) structure E-DCH FP frame, elder generation is mapped as the up special-purpose channel quality information of controlling physical channel with up special-purpose control error rate of physical channel according to the mapping relations of presetting, and the channel quality information with this up special-purpose control physical channel is filled in the E-DCH FP frame of Node B structure then; Execution in step 200;
Step 160: if FP mode is silent, and Qe_selector is select, and then execution in step 170;
Step 170: when on the E-DCH data being arranged, Node B makes up E-DCH FP frame, the error rate with the E-DCH transmission channel is mapped as the channel quality information of E-DCH transmission channel according to default mapping relations with it earlier, and the channel quality information of E-DCH transmission channel is filled in the E-DCH FP frame of Node B structure;
When E-DCH went up free of data, Node B did not make up E-DCH FP frame; Execution in step 200;
Step 180: if FP mode is silent, and Qe_selector is not select, and then execution in step 190;
Step 190: when on the E-DCH data being arranged, Node B makes up E-DCH FP frame, elder generation is mapped as the up special-purpose channel quality information of controlling physical channel with up special-purpose control error rate of physical channel according to the mapping relations of presetting, and the channel quality information with this up special-purpose control physical channel is filled in the E-DCH FP frame of Node B structure then;
When E-DCH went up free of data, Node B did not make up E-DCH FP frame; Execution in step 200;
Step 200:, then send to radio network controller if there is E-DCH FP frame.
In sum, method provided by the invention reports the mode of FP frame and the mode of reporting channel quality by radio network controller Control Node B, make radio network controller can know the up special-purpose control physical channel quality of up Dedicated Control Channel in real time, so that can be used as the foundation of external circule power control suitable the time, thereby improve the capacity of user's communications quality and system.
Claims (8)
1. a method that improves user communication quality is characterized in that, comprising:
(1) radio network controller is that Node B and user terminal are set up Radio Link, and has distributed the enhanced uplink dedicated transmission channel;
(2) radio network controller reports mode and channel quality to report the control signaling of mode to the frame protocol that Node B sends the enhanced uplink dedicated transmission channel;
(3) Node B reports mode and channel quality to report mode according to the frame protocol of the enhanced uplink dedicated transmission channel of radio network controller control signaling, make up the frame protocol of enhanced uplink dedicated transmission channel, and report radio network controller.
2. the method for raising user communication quality as claimed in claim 1 is characterized in that, it is normal or acquiescence that the frame protocol of described enhanced uplink dedicated transmission channel reports mode, and the mode that described channel quality reports is for selecting or not selecting.
3. the method for raising user communication quality as claimed in claim 2, tool are characterised in that described step (2) is specially:
(21A) to report mode be normal to radio network controller frame protocol from the enhanced uplink dedicated transmission channel to Node B that send, and channel quality to report mode be the control signaling of selecting;
Described step (3) is specially:
(31A) when on the enhanced uplink dedicated transmission channel data being arranged, Node B makes up enhanced uplink dedicated transmission channel frame protocol according to the control signaling that receives, the error rate of enhanced uplink dedicated transmission channel is mapped as the channel quality information of this channel according to default mapping relations, and the channel quality information of this channel is filled in the enhanced uplink dedicated transmission channel frame protocol, report radio network controller;
When on the enhanced uplink dedicated transmission channel during free of data, Node B makes up enhanced uplink dedicated transmission channel frame protocol according to the control signaling that receives constantly in regulation, up special-purpose control error rate of physical channel is mapped as the channel quality information of this channel according to default mapping relations, and the channel quality information of this channel is filled in the enhanced uplink dedicated transmission channel frame protocol, report radio network controller.
4. the method for raising user communication quality as claimed in claim 2 is characterized in that, described step (2) is specially:
(21B) to report mode be normal to radio network controller frame protocol from the enhanced uplink dedicated transmission channel to Node B that send, and channel quality to report mode be unselected control signaling;
Described step (3) is specially:
(31B) when on the enhanced uplink dedicated transmission channel data being arranged, Node B makes up enhanced uplink dedicated transmission channel frame protocol according to the control signaling that receives, up special-purpose control error rate of physical channel is mapped as the channel quality information of this channel according to default mapping relations, and the channel quality information of this channel is filled in the enhanced uplink dedicated transmission channel frame protocol, report radio network controller;
When on the enhanced uplink dedicated transmission channel during free of data, Node B makes up enhanced uplink dedicated transmission channel frame protocol according to the control signaling that receives constantly in regulation, up special-purpose control error rate of physical channel is mapped as the channel quality information of this channel according to default mapping relations, and the channel quality information of this channel is filled in the enhanced uplink dedicated transmission channel frame protocol, report radio network controller.
5. the method for raising user communication quality as claimed in claim 2, it is characterized in that, described step (2) is specially: (21C) to report mode be acquiescence to radio network controller frame protocol from the enhanced uplink dedicated transmission channel to Node B that send, and the control signaling of mode for selecting that report of channel quality;
Described step (3) is specially:
(31C) when on the enhanced uplink dedicated transmission channel data being arranged, Node B makes up enhanced uplink dedicated transmission channel frame protocol according to the control signaling that receives, the error rate of enhanced uplink dedicated transmission channel is mapped as the channel quality information of this channel according to default mapping relations, and the channel quality information of this channel is filled in the enhanced uplink dedicated transmission channel frame protocol, report radio network controller;
When on the enhanced uplink dedicated transmission channel during free of data, Node B does not make up enhanced uplink dedicated transmission channel frame protocol.
6. the method for raising user communication quality as claimed in claim 2 is characterized in that, described step (2) is specially:
(21D) to report mode be acquiescence to radio network controller frame protocol from the enhanced uplink dedicated transmission channel to Node B that send, and the mode that channel quality reports is unselected control signaling;
Described step (3) is specially:
(31D) when on the enhanced uplink dedicated transmission channel data being arranged, Node B makes up enhanced uplink dedicated transmission channel frame protocol according to the control signaling that receives, up special-purpose control error rate of physical channel is mapped as the channel quality information of this channel according to default mapping relations, and the channel quality information of this channel is filled in the enhanced uplink dedicated transmission channel frame protocol, report radio network controller;
When on the enhanced uplink dedicated transmission channel during free of data, Node B does not make up enhanced uplink dedicated transmission channel frame protocol.
7. as the method for claim 3 or 4 described raising user communication qualities, it is characterized in that, described regulation makes up the time interval of enhanced uplink dedicated transmission channel frame protocol constantly, by the control signaling of radio network controller, perhaps by standard protocol specifies regular time interval.
8. as the method for claim 3 or 4 described raising user communication qualities, it is characterized in that, during free of data, enhanced uplink dedicated transmission channel frame protocol is carried transmission by the transmission that is mapped to any one the multimedia access control-d stream on the enhanced uplink dedicated transmission channel on the described enhanced uplink dedicated transmission channel.
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| CNA2006101098962A CN101132606A (en) | 2006-08-22 | 2006-08-22 | Method for improving user communication quality |
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| CNA2006101098962A CN101132606A (en) | 2006-08-22 | 2006-08-22 | Method for improving user communication quality |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111212A (en) * | 2009-12-24 | 2011-06-29 | 中兴通讯股份有限公司 | Method and system for notifying MU-MIMO capacity of terminal |
| WO2013149527A1 (en) * | 2012-04-01 | 2013-10-10 | 华为技术有限公司 | Measurement method and apparatus |
| CN106973360A (en) * | 2017-03-22 | 2017-07-21 | 中国科学院上海微系统与信息技术研究所 | The cache policy and motivational techniques of a kind of D2D communication networks |
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2006
- 2006-08-22 CN CNA2006101098962A patent/CN101132606A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111212A (en) * | 2009-12-24 | 2011-06-29 | 中兴通讯股份有限公司 | Method and system for notifying MU-MIMO capacity of terminal |
| CN102111212B (en) * | 2009-12-24 | 2014-04-09 | 中兴通讯股份有限公司 | Method and system for notifying MU-MIMO capacity of terminal |
| WO2013149527A1 (en) * | 2012-04-01 | 2013-10-10 | 华为技术有限公司 | Measurement method and apparatus |
| CN103369587A (en) * | 2012-04-01 | 2013-10-23 | 华为技术有限公司 | Method and device for measurement |
| CN103369587B (en) * | 2012-04-01 | 2018-01-12 | 华为技术有限公司 | A kind of measuring method and device |
| CN106973360A (en) * | 2017-03-22 | 2017-07-21 | 中国科学院上海微系统与信息技术研究所 | The cache policy and motivational techniques of a kind of D2D communication networks |
| CN106973360B (en) * | 2017-03-22 | 2020-04-03 | 中国科学院上海微系统与信息技术研究所 | Caching strategy and excitation method of D2D communication network |
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