CN1734969A - The outer-loop power controlling method of ascending reinforced special channel - Google Patents

The outer-loop power controlling method of ascending reinforced special channel Download PDF

Info

Publication number
CN1734969A
CN1734969A CN 200410094765 CN200410094765A CN1734969A CN 1734969 A CN1734969 A CN 1734969A CN 200410094765 CN200410094765 CN 200410094765 CN 200410094765 A CN200410094765 A CN 200410094765A CN 1734969 A CN1734969 A CN 1734969A
Authority
CN
China
Prior art keywords
dpcch
dpdch
power offset
dch
rnc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 200410094765
Other languages
Chinese (zh)
Inventor
王婷
李小强
张玉建
杜高科
李周镐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Samsung Telecom R&D Center
Beijing Samsung Telecommunications Technology Research Co Ltd
Samsung Electronics Co Ltd
Original Assignee
Beijing Samsung Telecommunications Technology Research Co Ltd
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Samsung Telecommunications Technology Research Co Ltd, Samsung Electronics Co Ltd filed Critical Beijing Samsung Telecommunications Technology Research Co Ltd
Priority to CN 200410094765 priority Critical patent/CN1734969A/en
Publication of CN1734969A publication Critical patent/CN1734969A/en
Pending legal-status Critical Current

Links

Images

Abstract

The method of operation of ascending exterior ring power control among a kind of E-DCH, comprise step: Node B measures the up quality of reception and reports to RNC; RNC is provided with the target signal to noise ratio of exterior ring power control according to the up quality of reception of DCH transmission channel; RNC passes to Node B with target signal to noise ratio; RNC is provided with an additional E-DPDCH/DPCCH power offset according to the QoS and the up quality of reception of E-DCH and DCH; RNC will add the E-DPDCH/DPCCH power offset and pass to UE; RNC will add the E-DPDCH/DPCCH power offset and pass to Node B; UE decides the transmitted power of up E-DPDCH according to E-DPDCH/DPCCH power offset among the Rel99 and additional E-DPDCH/DPCCH power offset, sends the E-DCH data.The present invention can compensate SIR target poor of E-DCH and DCH in the exterior ring power control, can avoid according to the higher business of SIR target SIR target being set among the Rel99, thereby avoided making another to require lower channel to launch, and then reduced uplink interference with unnecessary big power to SIR target.The present invention can make the physical layer transmission number of times of RNC control E-DCH data.

Description

The outer-loop power controlling method of ascending reinforced special channel
Technical field
The present invention relates to 3G (Third Generation) Moblie, particularly about among the E-DCH, method for controlling up link external ring power.
Background technology
Second generation mobile communication system comprises GSM (Global System for MobileCommunications) and IS (Interim Standard)-95, and main target provides voice service.GSM has adopted the TDMA technology, in commercialization in 1992, is mainly used in Europe and China.And IS-95 adopts is CDMA (Code Division Multiple Access), is mainly used in the U.S. and Korea S.
At present, mobile communication technology has been evolved to 3-G (Generation Three mobile communication system), except voice service is provided, also provides two-forty and high-quality data service and multimedia service.3-G (Generation Three mobile communication system) comprises that the asynchronous CDMA system of 3GPP International Standards Organization research (or claims the WCDMA system, or title UMTS), be that timing between each base station is asynchronous, with the synchronous CDMA system (or claiming CDMA2000) of 3GPP2 International Standards Organization research, i.e. timing between each base station is identical.
Synchronous and asynchronous 3-G (Generation Three mobile communication system) is all to providing two-forty, high-quality data packet services to carry out standardization.For example: 3GPP is carrying out standardization to HSDPA (being called for short high-speed downstream inserts), thereby improves descending data rate, and 3GPP2 is carrying out standardization to 1xEV-DV (Evolution-Data and Voice).3GPP proceeds the enhancing (E-DCH) of ascending packet data transmission again, thereby improves up capacity and covering.E-DCH compares with the up DCH of Rel99/4/5, and scheduling feature is moved on to Node B from RNC, to realize fast dispatch; Introduced HARQ (Hybrid Automatic Retransmission Request) mechanism, retransmitted in physical layer.
After introducing E-DCH, the kind of physical channel as shown in Figure 7.Comprise 701 Dedicated Physical Control Channels (DPCCH) among the Rel99,702 Dedicated Physical Data Channels (DPDCH), be used for the ascending control channel HS-DPCCH of HSDPA with 705 among the Rel5, and 703 behind the introducing ascending reinforced special channel strengthens Dedicated Physical Data Channel (E-DPDCH), be used to transmit the E-DCH data, with 704 enhancing Dedicated Physical Control Channels (E-DPCCH), be used to transmit the control information that is used for E-DPDCH decoding, as E-TF (E-DCH transformat), schedule information, HARQ information (as receive sequence number RSN) etc.E-DCH and DCH are present among two coded combination transmission channel CcTrCH.
In the WCDMA of Rel99 system, adopted the exterior ring power controlling mechanism.Its objective is communication quality is remained on the target value set.If communication quality is too high, can waste Radio Resource; Communication quality is low excessively, does not reach communicating requirement.So the effect of exterior ring power control is exactly to make communication quality keep stable by suitable target signal to noise ratio (SIR target) is set to rapid power control.Under different channel conditions, in order to reach certain target Block Error Rate (BLER target), target signal to noise ratio (SIR target) is different.Target signal to noise ratio (SIR target) and actual signal to noise ratio (SIR) that the rapid power control of interior ring is set according to external circule power control compare, and finish inner-loop power control.Adjusting frequency of exterior ring power control is 10～100Hz.
WCDMA system uplink exterior ring power with Rel99 is controlled to be example, RNC can be after grand diversity, the up quality of reception is estimated, when the quality of reception is better than target call, RNC can reduce SIRtarget, when the quality of reception was lower than target call, RNC can improve SIR target, and passed to Node B by high-level signaling.SIR target sets according to the quality of reception of up DPDCH, but consequent TPC order acts on the up DPCCH, directly change the power of up DPCCH, because the DPDCH/DPCCH power offset is known, so change the power of up DPDCH indirectly.Estimate at several different methods for up quality, as: based on the block error rate BLER result of CRC detection, or transmission channel bit error rate (TrCH BER), or physical channel bit error rate (physical channelBER), or SIR, or Eb/NO, or other method.
In Rel99, for the situation of up multiple business, multiple business is multiplexed on the coded combination transmission channel (CcTrCH).Because multiple business has a public rapid power control, so only corresponding public SIR target, this SIR target is that RNC estimates the up quality of reception of every kind of business, requires the highest business to determine SIR target according to SIR target.Because the employing of non-uniform speed coupling, the SIR target between the multiple business does not have very big gap.The method of operation of the exterior ring power control under the multiple business and the situation of depositing as shown in Figure 1, has been described among the Rel99.
In Rel99, the DPDCH/DPCCH power offset is relevant with the TFC that DPDCH uses, and two kinds of computational methods are arranged: a kind of UE of being obtains the DPDCH gain factor β of each the TFC correspondence among the TFCS by high-level signaling dWith DPCCH gain factor β c, DPDCH/DPCCH nominal power side-play amount is defined as DPDCH gain factor β dWith DPCCH gain factor β cRatio; To be UE obtain the DPDCH/DPCCH nominal power side-play amount of each TFC correspondence by calculation mode to another kind, needs known reference TFC (TFC Ref) and with its corresponding reference DPDCH gain factor β D, refWith reference DPCCH gain factor β c, wherein, with reference to TFC (TFC Ref) and with its corresponding reference DPDCH gain factor β D, refWith DPCCH gain factor β C, refPass to UE by high-level signaling.Detailed calculated can save with reference to 3GPP TS25.214 5.1.2.5.The nominal power side-play amount that aforementioned calculation is come out does not have dimension, also can get denary logarithm after, multiply by 10 again, transform to log-domain, then the unit of nominal power side-play amount is dB.In the present invention, the DPDCH/DPCCH power offset is meant the dB value of DPDCH power and the ratio of DPCCH power, i.e. DPDCH/DPCCH power offset (dB)=10*log 10(DPDCH power (milliwatt)/DPCCH power (milliwatt)).The E-DPDCH/DPCCH power offset is meant the dB value of E-DPDCH power and the ratio of DPCCH power, i.e. E-DPDCH/DPCCH power offset (dB)=10*log 10(E-DPDCH power (milliwatt)/DPCCH power (milliwatt)).The E-DPCCH/DPCCH power offset is meant the dB value of E-DPCCH power and the ratio of DPCCH power, i.e. E-DPCCH/DPCCH power offset (dB)=10*log 10(E-DPCCH power (milliwatt)/DPCCH power (milliwatt)).In the present invention, demarcating the DPDCH/DPCCH power offset also represents with dB with demarcation E-DPDCH/DPCCH power offset.This definition is applicable to the description of back.
Owing to introduced up enhancing exclusive use transmission signal channel, the E-DCH transmission channel may exist simultaneously with dedicated transmission channel DCH, and E-DCH is carried to respectively on the different CcTrCH with DCH, carries out code division multiplexing.Because E-DCH and DCH use same fast power control procedure, promptly use same TPC to order and control, thereby E-DCH and DCH need be carried out exterior ring power control by common SIR target.According to the fast power control method of Rel99, SIR target sets according to the quality of reception of DPDCH, but consequent TPC order acts on the DPCCH, directly changes the power of DPCCH, the power of indirect change DPDCH.The SIR target of following DCH is meant the DPCCH SIR target that sets according to the quality of reception of DPDCH, be the SIRtarget of actual use, the SIR target of E-DCH is meant the DPCCHSIR target that sets according to the quality of reception of E-DPDCH, be virtual SIR target, be used for the calculating of intermediate variable.Because the different qualities of E-DCH and DCH channel, such as: E-DCH and DCH are owing to carrying different business (for example: E-DCH carries Packet Service, DCH voice-over business), so the QoS difference; E-DCH has physical layer retransmission mechanism, and DCH does not have; E-DCH is different with the coding strand of DCH; The TTI of E-DCH and DCH can be different; The effect difference of grand diversity, these differences cause the needed SIR target of E-DCH and DCH also different.
Different with Rel99 is the difference that E-DCH and DCH can't dwindle SIRtarget by rate-matched heterogeneous, so the difference of SIR target may be bigger.If the quality of reception and qos requirement according to one of them channel are provided with SIR target, may cause the quality of reception of one other channel not meet the demands.If perhaps, SIR target is set, then may causes another to require lower channel to launch, thereby cause bigger uplink interference with unnecessary big power to SIR target according to the higher business of SIR target according to the principle of Rel99.Therefore being necessary to introduce method of the present invention compensates the difference of the SIR target of E-DCH and DCH.
Summary of the invention
The method that the purpose of this invention is to provide the control of ascending exterior ring power among a kind of E-DCH when making SIR target as E-DCH and DCH different, compensates the through-put power of E-DPDCH.
According to an aspect of of the present present invention, the method for operation of uplink data channels exterior ring power control among a kind of E-DCH comprises step:
Node B measures the up quality of reception and reports to RNC;
RNC is provided with the target signal to noise ratio of exterior ring power control according to the up quality of reception of DCH transmission channel;
RNC passes to Node B with target signal to noise ratio;
RNC is provided with an additional E-DPDCH/DPCCH power offset according to the QoS and the up quality of reception of E-DCH and DCH;
RNC will add the E-DPDCH/DPCCH power offset and pass to UE;
UE decides the transmitted power of up E-DPDCH according to E-DPDCH/DPCCH nominal power side-play amount and additional E-DPDCH/DPCCH power offset, sends the E-DCH data.
According to another aspect of the present invention, the method for operation of ascending control channel exterior ring power control among a kind of E-DCH comprises step:
RNC be provided with E-DPCCH/DPCCH power offset initial value and pass to UE
RNC be provided with E-DPCCH/DPCCH power offset initial value and pass to Node B;
RNC reconfigures the power offset of E-DPCCH/DPCCH;
RNC passes to UE with the E-DPCCH/DPCCH power offset that reconfigures;
RNC passes to Node B with the E-DPCCH/DPCCH power offset that reconfigures;
UE calculates the E-DPCCH transmitted power according to the power offset of E-DPCCH/DPCCH, and sends E-DPCCH.
The present invention can compensate SIRtarget poor of the E-DCH that caused by following reason in the exterior ring power control and DCH: E-DCH and DCH are owing to possible loaded service different (for example: E-DCH carries Packet Service, DCH voice-over business), so the QoS difference; E-DCH has physical layer retransmission mechanism, and DCH does not have; E-DCH is different with the coding strand of DCH; E-DCH is different with the TTI possibility of DCH; The effect difference of grand diversity.The SIR target's of E-DCH and DCH is poor in the control of compensation exterior ring power, can avoid according to the higher business of SIR target SIR target being set among the Rel99, thereby avoided making another to require lower channel to launch, and then reduced uplink interference with unnecessary big power to SIR target.The present invention can make the physical layer transmission number of times of RNC control E-DCH data.
Description of drawings
Fig. 1 is the control of the exterior ring power under a multi-service circumstances schematic diagram among the Rel99;
Fig. 2 is a uplink data channels exterior ring power control flow chart among the E-DCH of the present invention;
Fig. 3 is a RNC operational flowchart in the control of E-DCH exterior ring power;
Fig. 4 is a Node B operational flowchart in the control of E-DCH exterior ring power;
Fig. 5 is that additional E-DPDCH/DPCCH power offset is set embodiment among the E-DCH;
Fig. 6 is that the E-DPDCH/DPCCH gain factor calculates;
Fig. 7 is the uplink physical channel kind;
Fig. 8 is an ascending control channel exterior ring power control flow chart among the E-DCH of the present invention.
Embodiment
The invention provides the method for uplink data channels exterior ring power control among a kind of E-DCH, as shown in Figure 2, comprise step:
201:Node B measures the up quality of reception and reports to RNC, comprises the up quality of reception of DCH and the up quality of reception of E-DCH;
202:RNC is provided with the target signal to noise ratio (SIR target) of exterior ring power control according to the up quality of reception of DCH transmission channel;
203:RNC passes to Node B with target signal to noise ratio;
204:RNC is provided with an additional E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCH power offset) according to the QoS and the up quality of reception of E-DCH and DCH;
205:RNC will add E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCHpower offset) and pass to UE;
206:RNC will add E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCHpower offset) and pass to Node B;
207:UE decides the transmitted power of up E-DPDCH according to E-DPDCH/DPCCH power offset among the Rel99 and additional E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCH power offset), sends the E-DCH data.
The E-DPDCH/DPCCH power offset is meant and E-DCH transformat (E-TF) E-DPDCH/DPCCH nominal power side-play amount one to one among the Rel99, because DPDCH/DPCCH nominal power side-play amount is corresponding one by one with DCH transformat combination (TFC) in Rel99, in this sense, claim with E-DCH transformat (E-TF) one to one E-DPDCH/DPCCH nominal power side-play amount be E-DPDCH/DPCCH power offset among the Rel99.Additional E-DPDCH/DPCCH power offset be meant be independent of E-DCH transformat (E-TF) for the public additional E-DPDCH/DPCCH power offset of all E-TF.
In the present invention, RNC decides the target signal to noise ratio (SIR target) and the secondary power side-play amount of exterior ring power control, and can change E-DCH average transmission number of times by changing the additional offset amount.
The operation of RNC:
As shown in Figure 3.
301:RNC is provided with the target signal to noise ratio (SIR target) of exterior ring power control, its foundation is the up quality of reception of DCH transmission channel, when the up quality of reception is higher than desired value, SIR target will reduce, when the up quality of reception is lower than desired value, SIR target will improve, and RNC passes to Node B with the value of SIR target by the NBAP signaling then, and this process is the same with process among the Rel99.
302:RNC is provided with an additional E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCH power offset).Because being the up quality of reception according to DCH, the target signal to noise ratio (SIRtarget) of exterior ring power control is provided with, do not consider the quality of reception of E-DCH, so RNC is provided with an additional E-DPDCH/DPCCH power offset, its effect is compensate the SIR target of E-DCH and DCH poor.The setting of secondary power side-play amount is the quality of reception according to the QoS of E-DCH and DCH and up DCH and E-DCH.Because the variation of channel condition, the coding strand that DCH is different with E-DCH, different TTI, and the different gains of grand diversity, make the SIR target of E-DCH and DCH have variation, compensate the poor of SIRtarget so introduce additional E-DPDCH/DPCCH power offset.
303:RNC is with additional E-DPDCH/DPCCH power offset) pass to UE.Can pass through the RRC signaling, the FP signaling also can be passed through other method.
The transmission of additional E-DPDCH/DPCCH power offset can periodically send, and also can send in the Event triggered mode.
304:RNC will add E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCHpower offset) and pass to Node B.Its objective is and be used for Node B scheduling.
The operation of Node B:
401:Node B measures the up quality of reception and reports to RNC, comprises the up quality of reception of DCH and the up quality of reception of E-DCH.The up quality of reception can be a Block Error Rate, and promptly the CRC check result also can be a transmission channel bit error rate, physical channel bit error rate, SIR, perhaps Eb/NO.Also the E-DCH data transmission times can be reported to RNC.
402:Node B receives the target signal to noise ratio that RNC is provided with, and carries out up inner loop power control according to this target signal to noise ratio.
403:Node B receives the secondary power side-play amount from RNC, is used for estimating more accurately up ROT, thereby carries out Node B scheduling.
The operation of UE:
UE decides the transmitted power of up E-DPDCH according to E-DPDCH/DPCCH power offset among the Rel99 and additional E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCH power offset), sends the E-DCH data.
In the method for uplink data channels exterior ring power control, step 206 can be saved in above-mentioned E-DCH, and whether step 206 saves the needs according to the requirement of Node B receiver and Node B scheduling.If the NodeB receiver is separated the information that data need the UE transmitted power, perhaps Node B needs accurately scheduling, then need step 206, RNC will add E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCH power offset) and pass to Node B; If Node B receiver is separated the information that data do not need the UE transmitted power, and Node B dispatching algorithm can ignore additional E-DPDCH/DPCCH power offset, then can save step 206.If step 206 is saved, then step 304 and step 403 are also saved.
The present invention also is applicable to the situation of a plurality of DCH, when a plurality of DCH exist simultaneously, can be identical with the processing procedure of Rel99, require the highest DCH to determine the SIRtarget of external circule power control according to SIR target, and require the highest DCH and the SIR target of E-DCH to compare according to SIR target, determine to add the E-DPDCH/DPCCH power offset.
The present invention is not only applicable to the situation of non-soft handover (None SHO), also is applicable to the situation of soft handover (SHO).For the situation of soft handover, the setting of external circule power control SIR target is the result according to DCH after the grand diversity, and the setting of additional E-DPDCH/DPCCH power offset is according to the result of E-DCH after the grand diversity and the result of DCH.And under the situation of soft handover, RNC will pass to scheduling Node B with adding the E-DPDCH/DPCCH power offset, also can pass to non-scheduling Node B simultaneously.
Said method is not only applicable to E-DCH and carries a kind of QoS data conditions, is applicable to that E-DCH carries multiple QoS data conditions yet.Carry under the multiple QoS data conditions at E-DCH, RNC can carry the difference of data QoS at E-DCH, and additional E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCH power offset) is set respectively; Perhaps, also can identical additional E-DPDCH/DPCCH power offset be set to all QoS of E-DCH carrying.
The invention provides the method for ascending control channel exterior ring power control among a kind of E-DCH, as shown in Figure 8, comprise step:
801:RNC be provided with E-DPCCH/DPCCH power offset initial value and pass to UE;
802:RNC be provided with E-DPCCH/DPCCH power offset initial value and pass to Node B;
803:RNC calculates the power offset of the E-DPCCH/DPCCH that reconfigures;
The power offset that RNC reconfigures E-DPCCH/DPCCH can adopt following two kinds of methods:
A kind of method be can be directly according to the variation of the power offset of E-DPDCH/DPCCH, when RNC reconfigures additional E-DPDCH/DPCCH power offset, also reconfigure the power offset of E-DPCCH/DPCCH.
Whether another kind method is that RNC can reconfigure the power offset of E-DPCCH/DPCCH according to the E-DPCCH quality of reception supplementary that Node B provides, change and be independent of additional E-DPDCH/DPCCH power offset.
804:RNC passes to UE with the E-DPCCH/DPCCH power offset that reconfigures;
805:RNC passes to Node B with the E-DPCCH/DPCCH power offset that reconfigures;
806:UE calculates the E-DPCCH transmitted power according to the power offset of E-DPCCH/DPCCH, and sends E-DPCCH.
The operation of RNC:
At first, RNC be provided with E-DPCCH/DPCCH power offset initial value and pass to UE and Node B;
E-DPCCH is by E-DCH transformat (E-TF), receive sequence number (RSN), and fields such as schedule information are formed, because the performance requirement of these fields may be different with coded system, different field can be provided with the different power offset with respect to DPCCH.
Then, RNC calculates the power offset of the E-DPCCH/DPCCH that reconfigures;
When reconfiguring, the E-DPCCH different field can reconfigure the different power offset with respect to DPCCH.
RNC resets the power offset of E-DPCCH/DPCCH, first method can be directly according to the variation of the power offset of E-DPDCH/DPCCH.Because the decode results of E-DPDCH depends on the E-DCH transformat (E-TF) that carries among the E-DPCCH, receive sequence number information such as (RSN) is so the quality of reception of E-DPDCH also depends on the quality of reception of E-DPCCH.In order to guarantee the quality of reception of E-DPCCH, when additional E-DPDCH/DPCCH power offset changed, RNC can reset the power offset of E-DPCCH/DPCCH.
RNC resets the power offset of E-DPCCH/DPCCH, the E-DPCCH quality of reception supplementary that second method can provide according to Node B.
RNC passes to UE and Node B with the E-DPCCH/DPCCH power offset that reconfigures;
The operation of Node B:
If what RNC reconfigured employing to the power offset of E-DPCCH/DPCCH is first method, promptly directly carry out according to the variation of the power offset of E-DPDCH, then Node B only need receive the corresponding information that UE and RNC send.
If what RNC reconfigured employing to the power offset of E-DPCCH/DPCCH is second method, promptly the E-DPCCH quality of reception supplementary that provides according to Node B of RNC is reset the power offset of E-DPCCH/DPCCH.In this case, Node B also will estimate the E-DPCCH quality, and the result is reported to RNC except needs receive the corresponding information that UE sends and RNC sends.
The operation of UE:
UE calculates the E-DPCCH transmitted power according to the power offset of E-DPCCH/DPCCH, and sends E-DPCCH.
Provide three embodiment of the present invention below.
Embodiment one: uplink data channels outer-loop power controlling method embodiment among the E-DCH
Node B measures the up quality of reception and reports to RNC, comprise the up quality of reception of DCH and the up quality of reception of E-DCH, the up quality of reception comprises DCH and E-DCH Block Error Rate, be the CRC check result, DCH and E-DCH transmission channel bit error rate also can report to RNC with the E-DCH data transmission times.
RNC is provided with the target signal to noise ratio (SIR target) of exterior ring power control according to the up quality of reception of DCH transmission channel, its foundation is the up quality of reception of DCH transmission channel, when the up quality of reception of DCH is higher than desired value, SIR target will reduce, when the up quality of reception of DCH is lower than desired value, SIR target will improve, and RNC passes to Node B with the value of SIR target by the NBAP signaling then, and this process is the same with process among the Rel99.
RNC is provided with an additional E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCH power offset) according to the QoS and the up quality of reception of E-DCH and DCH.Concrete operations as shown in Figure 5.
The parameter of earlier Fig. 5 being used describes:
The SIR target of SIR_target_e:E-DCH transmission channel;
The SIR target of SIR_target_d:DCH transmission channel;
Delta_pre: a preceding E-DCH transmission channel and DCH transmission channel SIR target's is poor, and initial value is by network settings;
Delta_cur: current E-DCH transmission channel and DCH transmission channel SIR target's is poor;
APO: additional E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCH poweroffset), unit is dB;
The step-length that step_size:APO increases or reduces.
Set delta_pre, APO, the initial value of step_size according to step 501:RNC among Fig. 5.For example: delta_pre=0, APO=0dB, step_size=0.1dB.
Calculate E-DCH and DCH SIR target separately according to step 502:RNC among Fig. 5 according to the up quality of reception of Node B report and the QoS of E-DCH and DCH, be SIR_target_e and SIR_target_d, the same Rel99 of method is in front to having description in 201 the explanation.
According to step 503:RNC among Fig. 5 calculate current E-DCH transmission channel and the poor delta_cur of DCH transmission channel SIR target, delta_cur=SIR_target_e-SIR_target_d.
Poor greater than a preceding E-DCH transmission channel and DCH transmission channel SIR target whether according to the difference of more current E-DCH transmission channel of step 504:RNC among Fig. 5 and DCH transmission channel SIRtarget.
If comparative result be greater than, then execution in step 505: additional E-DPDCH/DPCCH power offset APO increases a step_size,
If comparative result be less than, then execution in step 506: additional E-DPDCH/DPCCH power offset APO reduces by a step_size.
Then, the difference with current E-DCH transmission channel and DCH transmission channel SIR target is changed to the poor of a preceding E-DCH transmission channel and DCH transmission channel SIR target.
At last, return step 502, carry out computational process next time.
RNC will add E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCHpower offset) and pass to UE and Node B;
UE decides the transmitted power of up E-DPDCH according to E-DPDCH/DPCCH power offset among the Rel99 and additional E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCH power offset).Concrete operations as shown in Figure 6.
E-DPDCH is not only relevant with the transformat that uses with the ratio of DPCCH power, and is also relevant with 602 additional E-DPDCH/DPCCH power offset APO.The gain factor relevant with 602 additional E-DPDCH/DPCCH power offset APO with 603 transformats is designated as 604 β EU, β EU=f (APO, E_TF); Similar to the computational methods of the ratio of DPCCH power to DPDCH among the Rel99, the ratio of E-DPDCH and DPCCH power is relevant with the transformat of use, and the E-DPDCH/DPCCH gain factor relevant with transformat is designated as β EU2,
β EU2=g (E_TF); The E-DPDCH/DPCCH gain factor relevant with additional E-DPDCH/DPCCH power offset APO is designated as β EU1, β EU1Calculating dual mode is arranged:
First kind of mode:
β EU 1 = 10 ( APO 20 ) ;
Then
β EU＝β c·β EU1·β EU2，
Wherein, β cIt is the gain factor of DPCCH.
The second way:
β EU 1 = β c · 10 ( APO 20 ) ; Wherein, β cIt is the gain factor of DPCCH;
Then
β EU＝β EU1·β EU2。
β EU/ β cBe the power ratio of E-DPDCH/DPCCH, the power of DPCCH is to be subjected to the effect of fast power control and to change, and the power of E-DPDCH can calculate according to the power of DPCCH and the power ratio of E-DPDCH/DPCCH.
β EU1/ β cAt log-domain is E-DPDCH/DPCCH secondary power side-play amount.
β EU2/ β cAt log-domain is E-DPDCH/DPCCH nominal power side-play amount.
Embodiment two: ascending control channel outer-loop power controlling method embodiment among the E-DCH
RNC be provided with E-DPCCH/DPCCH power offset initial value and pass to UE and Node B.
RNC reconfigures the power offset of E-DPCCH/DPCCH.
RNC resets the power offset of E-DPCCH/DPCCH, can be according to the variation of the power offset of E-DPDCH/DPCCH.When additional E-DPDCH/DPCCH power offset increase, the power offset of E-DPCCH/DPCCH also increases; When additional E-DPDCH/DPCCH power offset reduction, the power offset of E-DPCCH/DPCCH remains unchanged or reduces.In order to guarantee the quality of E-DPCCH, the speed that the power offset of E-DPCCH/DPCCH reduces will be lower than the speed of increase.It is fairly simple that this method is adjusted the power offset of E-DPCCH/DPCCH, do not need Node B that the E-DPCCH quality is estimated and report.
In order to make RNC that the E-DPCCH/DPCCH power offset can be set accurately, when RNC resets the power offset of E-DPCCH/DPCCH, the also E-DPCCH quality of reception supplementary that can provide according to Node B.When RNC finds that the quality of E-DPCCH is lower than the threshold value of setting, then the E-DPCCH/DPCCH power offset will increase, thereby strengthen the quality of reception of E-DPCCH.
RNC passes to UE and Node B with the E-DPCCH/DPCCH power offset that reconfigures; At last, UE calculates the E-DPCCH transmitted power according to the power offset of E-DPCCH/DPCCH, and sends E-DPCCH.
Embodiment three: when E-DCH carries a plurality of QoS data, and uplink data channels outer-loop power controlling method embodiment among the E-DCH
From the MAC layer, when a plurality of QoS of E-DCH channel bearing, the data of different QoS can be carried to respectively among the different MAC_d flow, and a plurality of MAC_d flow can be mapped among the MAC_e PDU.So among the TTI, E-DCH both may only carry the data of QoS1, also may only carry the data of QoS2, also may carry the data of QoS1 and QoS2 simultaneously.
In this case, uplink data channels exterior ring power control can be with the following method among the E-DCH: Node B measures the up quality of reception and reports to RNC, comprises the up quality of reception of DCH, and QoSi among the E-DCH (i=1,2 ..., N; N is the maximum number of the E-DCH QoS that can carry) the up quality of reception of data, the up quality of reception can comprise DCH and E-DCH Block Error Rate, i.e. CRC check result, each QoS data transmission times among DCH and E-DCH transmission channel bit error rate and the E-DCH.RNC is provided with the target signal to noise ratio (SIR target) of the DPCCH of exterior ring power control according to the up quality of reception of DCH transmission channel, its foundation is the up quality of reception of DCH transmission channel, when the up quality of reception of DCH is higher than desired value, SIR target will reduce, when the up quality of reception of DCH is lower than desired value, SIR target will improve, and RNC passes to Node B with the value of SIR target by the NBAP signaling then, and this process is the same with process among the Rel99.RNC is according to the requirement of many kinds of QoS of E-DCH, the requirement of DCH QoS and their the up quality of reception are provided with an additional E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCH power offset) to every kind of QoS of E-DCH respectively, be designated as: APO_QoSi (i=1,2,, N; N is the maximum number of the E-DCH QoS that can carry), the APO_QoSi correspondence be the additional E-DPDCH/DPCCH power offset of QoSi among the E-DCH, additional E-DPDCH/DPCCH power offset is public for all E-TF.The generation of APO_QoSi can reference example one, with the SIR_target_e in the algorithm of " RNC is provided with an additional E-DPDCH/DPCCH power offset according to the QoS and the up quality of reception of E-DCH and DCH " with APO replaces with SIR_target_e_QoSi and APO_QoSi gets final product.Wherein, SIR_target_e_QoSi is the SIR target of QoSi correspondence among the E-DCH.RNC with the additional E-DPDCH/DPCCH power offset APO_QoSi of each QoS correspondence (i=1,2 ..., N; N is the maximum number of the E-DCH QoS that can carry), pass to UE and Node B.
UE decides the transmitted power of up E-DPDCH according to the additional E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCH power offset) of each QoS correspondence of E-DPDCH/DPCCH power offset and E-DCH among the Rel99.
If current TTI, E-DCH only carry QoSi (i=1,2 ..., N; N is the maximum number of the E-DCH QoS that can carry) data, β then EUCalculating dual mode is arranged: first kind of mode: β EU=β cβ EU1β EU2,
Wherein, β EU 1 = 10 ( APO _ QoSi 20 ) ;
The second way:
β EU＝β EU1·β EU2，
Wherein, β EU 1 = β c · 10 ( APO _ QoSi 20 ) .
β EU2Be and E-TF gain factor one to one, can be designated as β EU2(E_TF).Can obtain the β of each the E-TF correspondence among the E-TFS by high-level signaling EU2Also can obtain the β of each E-TF correspondence by calculation mode EU2, at this moment, need known reference E-TF and with its corresponding reference β EU2, with reference to E-TF and with its corresponding reference β EU2Transmit by high-level signaling.At the computational methods of above-mentioned E-DPDCH/DPCCH power offset, table 1 has been listed two kinds of QoS data of the maximum carryings of E-DCH under the second way, when 5 E-TF are arranged among the E-TFS, and the calculating of E-DPDCH/DPCCH power offset.Can expand to and carry N (N is the integer more than or equal to 1) kind QoS data among the E-DCH at most, the situation of the individual E-TF of M (M is the integer more than or equal to 1) is arranged among the E-TFS.
Figure A20041009476500241
Table 1E-DPDCH/DPCCH power offset calculated example
If current TTI, E-DCH is carrying the data of a plurality of QoS, and then additional E-DPDCH/DPCCH power offset APO is the maximum of the additional E-DPDCH/DPCCH power offset of these QoS correspondences, then β EUCalculating dual mode is arranged:
First kind of mode:
β EU＝β c·β EU1·β EU2，
Wherein, β EU 1 = 10 ( APO 20 ) ;
The second way:
β EU＝β EU1·β EU2，
Wherein, β EU 1 = β c · 10 ( AOP 20 ) .
β EU2Be the gain factor relevant, can be designated as β with E-TF EU2(E_TF).Can obtain the β of each the E-TF correspondence among the E-TFS by high-level signaling EU2Also can obtain the β of each E-TF correspondence by calculation mode EU2, at this moment, need known reference E-TF and with its corresponding reference β EU2, with reference to E-TF and with its corresponding reference β EU2Transmit by high-level signaling.

Claims (27)

1, a kind of outer-loop power controlling method of ascending reinforced special channel comprises step:
Node B measures the up quality of reception and reports to RNC;
RNC is provided with the target signal to noise ratio of exterior ring power control according to the up quality of reception of DCH transmission channel;
RNC passes to Node B with target signal to noise ratio;
RNC is provided with an additional E-DPDCH/DPCCH power offset according to the QoS and the up quality of reception of E-DCH and DCH;
RNC will add the E-DPDCH/DPCCH power offset and pass to UE;
UE decides the transmitted power of up E-DPDCH according to E-DPDCH/DPCCH nominal power side-play amount and additional E-DPDCH/DPCCH power offset, sends the E-DCH data.
2. method according to claim 1 is characterized in that described E-DPDCH/DPCCH nominal power side-play amount is and E-DCH transformat (E-TF) E-DPDCH/DPCCH power offset one to one.
3. method according to claim 1, it is characterized in that described additional E-DPDCH/DPCCH power offset be independent of E-DCH transformat (E-TF) for the public additional E-DPDCH/DPCCH power offset of all E-TF.
4. method according to claim 1 is characterized in that the calculating of E-DPDCH/DPCCH power offset can utilize following formula:
β EU＝β c·β EU1·β EU2；
Wherein, β cBe the gain factor of DPCCH, β EU1Be and the relevant E-DPDCH gain factor of additional E-DPDCH/DPCCH power offset APO, β EU2Be and transformat E-DPDCH gain factor one to one.
5. method according to claim 4 is characterized in that β EU1Calculating can pass through following formula:
β EU 1 = 10 ( APO 20 ) ,
Wherein, APO is additional E-DPDCH/DPCCH power offset.
6. method according to claim 1 is characterized in that the calculating of E-DPDCH/DPCCH power offset can utilize following formula:
β EU＝β EU1·β EU2
Wherein, β EU1Be and the relevant E-DPDCH gain factor of additional E-DPDCH/DPCCH power offset APO, β EU2Be and transformat E-DPDCH gain factor one to one.
7. method according to claim 6 is characterized in that β EU1Calculating can pass through following formula:
β EU 1 = β c · 10 ( APO 20 )
Wherein, APO is additional E-DPDCH/DPCCH power offset.
8. method according to claim 1, when it is characterized in that E-DCH can carry a plurality of QoS data, RNC can carry the difference of data QoS at E-DCH, and additional E-DPDCH/DPCCH power offset is set respectively.
9. method according to claim 1, when it is characterized in that E-DCH can carry a plurality of QoS data, UE decides the transmitted power of up E-DPDCH according to the additional E-DPDCH/DPCCH power offset (additional E-DPDCH/DPCCH power offset) of E-DPDCH/DPCCH nominal power side-play amount and each QoS correspondence of E-DCH.
10. method according to claim 9 is characterized in that:
If current TTI, E-DCH only carries the data of QoSi, wherein, i=1,2 ..., N, wherein N is the maximum number of the E-DCH QoS that can carry, then additional E-DPDCH/DPCCH power offset is the additional E-DPDCH/DPCCH power offset of QoSi correspondence.
11, method according to claim 9 is characterized in that:
If current TTI, E-DCH is carrying the data of a plurality of QoS, and then additional E-DPDCH/DPCCH power offset APO is the maximum of the additional E-DPDCH/DPCCH power offset of these QoS correspondences.
12. method according to claim 1, it is characterized in that will adding the E-DPDCH/DPCCH power offset by described RNC, to pass to UE be periodic.
13. method according to claim 1, it is characterized in that will adding the E-DPDCH/DPCCH power offset by described RNC, to pass to UE be Event triggered.
14. method according to claim 1 is characterized in that RNC can pass to Node B with adding the E-DPDCH/DPCCH power offset.
15. method according to claim 14 is characterized in that described RNC will add the E-DPDCH/DPCCH power offset and pass to Node B, under case of soft handover, passes to scheduling Node B and non-scheduling Node B.
16. method according to claim 14 is characterized in that described RNC will add the E-DPDCH/DPCCH power offset and pass to Node B, under case of soft handover, only passes to scheduling NodeB.
17. method according to claim 1 is characterized in that described RNC will add the E-DPDCH/DPCCH power offset and pass to UE and transmit by the RRC signaling.
18. method according to claim 1 is characterized in that described RNC will add the E-DPDCH/DPCCH power offset and pass to Node B and transmit by the NBAP signaling.
19. method according to claim 1, it is characterized in that will adding the E-DPDCH/DPCCH power offset by described RNC, to pass to Node B be that Frame Protocol FP by user plane transmits.
20. method according to claim 1, it is characterized in that will adding the E-DPDCH/DPCCH power offset by described RNC, to pass to Node B be that control frame by user plane transmits.
21., it is characterized in that the described up quality of reception comprises the up quality of reception of DCH and the up quality of reception of E-DCH by the described method of claim 1.
22., it is characterized in that described RNC will add the E-DPDCH/DPCCH power offset and pass to Node B by the described method of claim 1.
23, a kind of outer-loop power controlling method of ascending reinforced special channel comprises step:
RNC be provided with E-DPCCH/DPCCH power offset initial value and pass to UE;
RNC be provided with E-DPCCH/DPCCH power offset initial value and pass to Node B;
RNC calculates the power offset that reconfigures E-DPCCH/DPCCH;
RNC passes to UE with the E-DPCCH/DPCCH power offset that reconfigures;
RNC passes to Node B with the E-DPCCH/DPCCH power offset that reconfigures;
UE calculates the E-DPCCH transmitted power according to the power offset of E-DPCCH/DPCCH, and sends E-DPCCH.
24. by the described method of claim 23, it is characterized in that the power offset of the E-DPCCH/DPCCH that RNC is provided with and reconfigures, the different field of E-DPCCH can have different power offset.
25. by the described method of claim 23, it is characterized in that RNC reconfigures the power offset of E-DPCCH/DPCCH, can be according to the variation of the power offset of E-DPDCH/DPCCH, when RNC reconfigures additional E-DPDCH/DPCCH power offset, also reconfigure the power offset of E-DPCCH/DPCCH.
26., it is characterized in that the power offset of E-DPCCH/DPCCH also increases when additional E-DPDCH/DPCCH power offset increases by the described method of claim 25.
27. by the described method of claim 23, it is characterized in that RNC reconfigures the power offset of E-DPCCH/DPCCH, the E-DPCCH quality of reception supplementary that can provide according to Node B.
CN 200410094765 2004-08-10 2004-11-18 The outer-loop power controlling method of ascending reinforced special channel Pending CN1734969A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200410094765 CN1734969A (en) 2004-08-10 2004-11-18 The outer-loop power controlling method of ascending reinforced special channel

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN200410070597.3 2004-08-10
CN200410070597 2004-08-10
CN 200410094765 CN1734969A (en) 2004-08-10 2004-11-18 The outer-loop power controlling method of ascending reinforced special channel

Publications (1)

Publication Number Publication Date
CN1734969A true CN1734969A (en) 2006-02-15

Family

ID=36077202

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200410094765 Pending CN1734969A (en) 2004-08-10 2004-11-18 The outer-loop power controlling method of ascending reinforced special channel

Country Status (1)

Country Link
CN (1) CN1734969A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106851815A (en) * 2017-01-13 2017-06-13 广州慧睿思通信息科技有限公司 The uplink synchronisation method when RRC state of UE is DCH states in WCDMA direction-finding systems
CN109716728A (en) * 2016-09-30 2019-05-03 华为技术有限公司 For delivering the method and apparatus being ranked up to protocol Data Unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109716728A (en) * 2016-09-30 2019-05-03 华为技术有限公司 For delivering the method and apparatus being ranked up to protocol Data Unit
CN106851815A (en) * 2017-01-13 2017-06-13 广州慧睿思通信息科技有限公司 The uplink synchronisation method when RRC state of UE is DCH states in WCDMA direction-finding systems
CN106851815B (en) * 2017-01-13 2019-07-09 广州慧睿思通信息科技有限公司 The uplink synchronisation method when RRC state of UE is DCH state in WCDMA direction-finding system

Similar Documents

Publication Publication Date Title
CN1292547C (en) Wireless communication control system and its control method
CN1238976C (en) Method for improving mobile radiocommunication system performances using power control algorithm
CN1196373C (en) Method for coding mode selection
CN1184749C (en) Method of down-chain power control in packet switching cellular system
CN1182663C (en) Transmitting power control method and system suitable for mobile communication
EP2251987B1 (en) Method and apparatus for controlling transit power of multiple channels in a CDMA communication system
CN101057420A (en) Mobile communication system, mobile station, and radio base station
CN1568587A (en) Power control for a channel with multiple formats in a communication system
CN1617479A (en) Method for supporting pilot frequency enhancement in up line special channel enhancement in broad band CDMA
CN1329443A (en) Transmitted power control method for mobile radio system
CN1647567A (en) Cellular system, base station, mobile station, and communication control method
CN1682466A (en) Reducing interference with a multiple format channel in a communication system
CN1613199A (en) Method and arrangement for power control
CN1993902A (en) Erasure detection and power control for a transport channel with unknown format in a wireless communication system
CN1363148A (en) Method for setting a transmission quality target value for power control in a mobile radio communication system
CN1297074C (en) Objective value regulating method of internal power control loop of mobile radio communication system
CN1805303A (en) Mobile communication system, wireless base station, radio network controller, and power control method
CN1717886A (en) Method for link adaptation
CN1870455A (en) Method of power control for mobile communication system
EP1354433A1 (en) Adaptive pilot/traffic channel power control for 3gpp wcdma
CN1610273A (en) A method for setting a power offset for power control of a downlink shared channel
CN1898886A (en) Method and apparatus for adaptive open-loop power control in mobile communication system using tdd
CN1866776A (en) Method for downlink power control of terminal
CN1734967A (en) The outer-loop power controlling method of ascending reinforced special channel
CN1655472A (en) Method and apparatus for controlling transmission speed in transmitting power dispatching on a terminal

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20060215