CN102378338A - Power control method in semi-persistent scheduling mode and system thereof - Google Patents
Power control method in semi-persistent scheduling mode and system thereof Download PDFInfo
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- CN102378338A CN102378338A CN2010102549706A CN201010254970A CN102378338A CN 102378338 A CN102378338 A CN 102378338A CN 2010102549706 A CN2010102549706 A CN 2010102549706A CN 201010254970 A CN201010254970 A CN 201010254970A CN 102378338 A CN102378338 A CN 102378338A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/362—Aspects of the step size
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Abstract
The invention discloses a power control method in a semi-persistent scheduling mode and a system thereof. The method comprises the following steps: a radio network controller (RNC) sets a power control step length corresponding to semi-persistent scheduling (SPS) resource; through an SPS resource pattern list, the RNC configures the SPS resource and the corresponding power control step length to a base station and a terminal; the SPS resource pattern list comprises the SPS resource and the corresponding power control step length; the terminal determines preset used SPS resource and a corresponding power control step length, and carries out send power adjustment on an uplink channel. According to the method and the system in the invention, a problem of inaccurate uplink power adjustment caused by using a same power control step length to SPS resource UE of different repeated cycles in the semi-persistent scheduling mode is solved.
Description
Technical field
The present invention relates to communication field, be meant the method and system of power control under a kind of semi-continuous scheduling (SPS) pattern especially.
Background technology
Semi-continuous scheduling (Semi-Persistent Scheduling) is that high-speed packet inserts evolution (HSPA+; High Speed Downlink Packet Access) a key property; Mainly be applicable to the real time business of IP class; For example the networking telephone (VoIP, Voice over Internet Protocol), HTTP real-time, interactive classes such as (HTTP, Hyper Text Transfer Protocol) are professional.VoIP class business has that the packet size is measurable, the cycle is fixed, characteristics such as little and delay requirement height at interval; If continue to use original mode scheduling VoIP professional; Once calculate according to every 20ms scheduling; High-Speed Shared Control Channel (HS-SCCH; High-Speed Shared Control Channel) expense will account for 25% of overhead (being meant the expense that control channel HS-SCCH, HS-DSCH and HS-SICH are shared), and in order to support the multi-user also need dispose a large amount of HS-SCCH.Therefore; This type of VOIP is periodic in order to optimize, small data packets performance of services, the expense that control channel takies that reduces; Introduced semi-continuous resource, promptly adopted the mode of semi-continuous scheduling (SPS, Semi-Persistent Scheduling), semi-continuous here resource also can be described as the SPS resource.
The SPS resource comprises: up E-DCH SPS resource (abbreviating up SPS resource as) and descending HS-DSCH SPS resource (abbreviating descending SPS resource as).Up SPS resource comprises transmission form (TX pattern) tabulation of sending E-DCH, and descending SPS resource comprises reception form (RX pattern) tabulation that receives HS-DSCH.Operation for uplink and downlink SPS resource is relevant is carried out according to the TX pattern and the RX pattern of actual selection respectively.Comprise a plurality of TX pattern in the TX pattern tabulation, each TX pattern comprises following parameter: repetition period (Repetition period) and repeat length (Repetitionlength).For TX pattern, repetition period and repeat length combine and have indicated a kind of up SPS resource, and therefore, a TX pattern has promptly indicated a kind of up SPS resource, and then TX pattern tabulation is up SPS the Resources list; In like manner, RX pattern tabulation is descending SPS the Resources list.
The configuration of SPS resource can be divided into semi-static configuration and dynamic-configuration two parts, wherein,
Semi-static being configured to: radio network controller (RNC, Radio Network Controller) is through Radio Link foundation or radio link reconfiguration or Radio Link increases or Radio Link modification message is tabulated (being that RX pattern tabulates) configuration to NodeB with up SPS the Resources list (being TX pattern tabulation) and downlink resource respectively; NodeB selects a TX pattern and RX pattern to be used for the uplink and downlink initial transmission from TX pattern tabulation and RX pattern tabulation respectively; Then, NodeB sets up response or radio link reconfiguration response or Radio Link through Radio Link increases response or Radio Link and revises index and the index of RX pattern that response message will be used for the TX pattern of initial transmission and return to RNC; RNC is through radio resource control (RRC; Radio Resource Control) index configurations of the index of message above-mentioned TX pattern that TX pattern tabulation and RX pattern tabulation and NodeB are returned and RX pattern is to terminal (UE, User Equipment).
Dynamic-configuration is: by base station (NodeB) dynamically a selection TX pattern (being a kind of up SPS resource) and a RX pattern (being a kind of descending SPS resource) from the TX pattern tabulation of RNC configuration and RX pattern tabulation; Give UE through HS-SCCH or E-AGCH (E-DCH absolute grant channel, E-DCH Absolute Grant Channel) with the descending SPS resource and the up SPS resource distribution of Dynamic Selection.The SPS resource is disposed to effectively long-time behind the UE by NodeB, and after this, UE carries out reception or the transmission of HS-DSCH or E-DCH according to RX pattern or TX pattern, does not need all to receive HS-SCCH or E-AGCH at every turn.NodeB can come the descending SPS resource or the up SPS resource of the actual use of UE are made amendment through HS-SCCH or E-AGCH at any time simultaneously: configurable repetition period value has 1,2,4,8,16 and 32, and unit is a subframe.
TD SDMA (TD-SCDMA; Time Division-Synchronous Code DivisionMultiple Access) in the system, it is right that E-AGCH and E-PUCH, HS-SCCH and HS-SICH form the closed-loop power control of HSUPA and HSDPA respectively, in the closed power control after introducing the SPS resource; The power control command that provides according to E-HICH or HS-PDSCH; The transmitted power of E-PUCH or HS-SICH will raised or reduce in the terminal, and the power control step-length of adjustment is by the RRC message informing, and unit is db; Before RB reshuffled next time, the power control step-length of terminal adjustment was constant.
Because can there be multiple value the SPS repetition period, as 1,2,4,8,16,32,64 etc., and can be by NodeB dynamically adjustment at any time; And before semi-continuous resource reconfiguration next time; The power control step-length of UE adjustment is constant; This is with regard to causing when the SPS repetition period is elongated and the amplitude of power control adjustment does not catch up with, and when the step-length of E-PUCH transmitted power adjustment was too small, the error rate that can cause NodeB to receive increased; When the step-length of E-PUCH transmitted power adjustment is excessive, can cause the increase of uplink interference.
Summary of the invention
In view of this, main purpose of the present invention is to provide the method and system of power control under a kind of semi-continuous scheduling pattern, and to solve under the SPS pattern, the ascending power that causes for the different SPS resources identical power control step-lengths of employing is adjusted inaccurate problem.
The invention provides the method for power control under a kind of semi-continuous scheduling pattern, radio network controller (RNC) is provided with the corresponding power control step-size of semi-continuous scheduling (SPS) resource, and this method also comprises:
RNC disposes SPS resource and corresponding power control step-size thereof to base station and terminal through SPS resource format (pattern) tabulation; Said SPS resource pattern tabulation comprises SPS resource and corresponding power control step-size thereof;
The SPS resource and corresponding power control step-size of current use confirmed at said terminal, up channel carried out the adjustment of transmitted power.
RNC disposes SPS resource and corresponding power control step-size thereof to base station and terminal through SPS resource pattern tabulation, is specially:
Said RNC gives the base station through NBAP message with said SPS resource pattern list configuration;
Initial SPS resource is selected in said base station from said SPS resource pattern tabulation, and the index of said initial SPS resource is returned to said RNC through the NBAP response message;
Said RNC gives the terminal through RRC message with the index and the said SPS resource pattern list configuration of said initial SPS resource.
RNC disposes SPS resource and corresponding power control step-size thereof to after base station and the terminal respectively; This method also comprises: when the SPS resource of current use need be revised in the base station; From the said SPS resource pattern tabulation of self preserving, select new SPS resource, and the index configurations through will the be said new SPS resource of down channel is to said terminal.
The SPS resource and corresponding power control step-size of current use confirmed at said terminal, is specially:
The initial SPS resource and corresponding power control step-size of current use confirmed according to the index and the said SPS resource pattern tabulation of said initial SPS resource in said terminal; Perhaps,
The new SPS resource and corresponding power control step-size of current use confirmed according to the index and the said SPS resource pattern tabulation of said new SPS resource in said terminal.
Comprise a plurality of SPS resource pattern in the said SPS resource pattern tabulation;
Said SPS resource pattern comprises repetition period and repeat length and the corresponding power control step-size of SPS resource that characterizes the SPS resource.
When said SPS resource was up SPS resource, said down channel was E-AGCH;
When said SPS resource was descending SPS resource, said down channel was HS-SCCH.
When said SPS resource is up SPS resource, said SPS resource pattern tabulation for send form (Tx Pattern) tabulation, said SPS resource pattern is Tx Pattern;
When said SPS resource is descending SPS resource, said SPS resource pattern tabulation for receive form (Rx Pattern) tabulation, said SPS resource pattern is Rx Pattern.
When the SPS resource of said current use was up SPS resource, the adjustment of transmitted power was carried out at said terminal to up channel E-PUCH according to the power control step-size of correspondence;
When the SPS resource of said current use was descending SPS resource, the adjustment of transmitted power was carried out at said terminal to up channel HS-SICH according to the power control step-size of correspondence.
The present invention also provides the system of power control under a kind of semi-continuous scheduling pattern, comprising: module, configuration module and power regulation module are set; Wherein,
The said module that is provided with is used to be provided with the corresponding power control step-size of SPS resource;
Configuration module is used for through SPS resource pattern tabulation SPS resource and corresponding power control step-size thereof being disposed to base station and terminal; Said SPS resource pattern tabulation comprises SPS resource and corresponding power control step-size thereof;
Power regulation module is used for confirming the SPS resource and corresponding power control step-size of current use, up channel is carried out the adjustment of transmitted power.
Said configuration module comprises: first configuration module among the RNC and the 3rd configuration module in second configuration module and the base station; Wherein:
Said first configuration module is used for giving the base station through NBAP message with said SPS resource pattern list configuration;
Said the 3rd configuration module is used for selecting initial SPS resource pattern from said SPS resource pattern tabulation, and the index of said initial SPS resource pattern is returned to said second configuration module through the NBAP response message;
Said second configuration module is used for giving the terminal through RRC message with index and the said SPS resource pattern list configuration of said initial SPS resource pattern.
Said the 3rd configuration module; The SPS resource of current use also is used for when need be revised in the base station; From said SPS resource pattern tabulation, select new SPS resource pattern, and the index configurations through will the be said new SPS resource pattern of down channel is to said terminal.
Said power regulation module is used for index and said SPS resource pattern tabulation according to said initial SPS resource pattern, confirms the initial SPS resource and corresponding power control step-size of current use; Also be used for index and said SPS resource pattern tabulation, confirm the new SPS resource and corresponding power control step-size of current use according to said new SPS resource pattern.
Power control scheme of the present invention: for different SPS resources is provided with corresponding power control step-size; And SPS resource and corresponding power control step-size thereof disposed to base station and terminal; Like this; When the base station has on-the-fly modified configuration when giving the SPS resource at terminal through E-AGCH or HS-SCCH; Amended SPS resource and corresponding power control step-size thereof just can be found according to the SPS the Resources list self stored and the resource index that carries on E-AGCH or the HS-SCCH (index of SPS resource pattern) in the terminal; So can make the corresponding different power control of different SPS resource step-length, when having solved different SPS resource (particularly the repetition period is different), UE uses identical power control step-size and the ascending power that causes is adjusted inaccurate problem.
Description of drawings
Fig. 1 is a Poewr control method schematic flow sheet of the present invention;
Fig. 2 is the Poewr control method schematic flow sheet of the embodiment of the invention one;
Fig. 3 is the Poewr control method schematic flow sheet of the embodiment of the invention two;
Fig. 4 is the system configuration sketch map of power control of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment technical scheme of the present invention is further set forth in detail.
The main thought of power control scheme of the present invention is: RNC is the corresponding power control step-size that is provided with of different SPS resource, and like this, when the repetition period of SPS resource changes, during the SPS change in resources, the power control step-size of correspondence just can be used in the terminal.Concrete realization is as shown in Figure 1, comprising:
Step 101, RNC is provided with the corresponding power control step-size of SPS resource.
The SPS resource comprises: up E-DCH SPS resource (abbreviating up SPS resource as) and descending HS-DSCH SPS resource (abbreviating descending SPS resource as).Up SPS resource comprises transmission form (TX pattern) tabulation of sending E-DCH, and descending SPS resource comprises reception form (RX pattern) tabulation that receives HS-DSCH.Wherein, comprise a plurality of TX pattern in the TX pattern tabulation, each TX pattern comprises following parameter: repetition period (Repetition period) and repeat length (Repetition length).For TX pattern, repetition period and repeat length combine and have indicated a kind of up SPS resource, and therefore, a TX pattern has promptly indicated a kind of up SPS resource, and then TX pattern tabulation is up SPS the Resources list; In like manner, RX pattern tabulation is descending SPS the Resources list.
In view of this, the present invention is referred to as SPS resource pattern with TX pattern and RX pattern.The present invention is provided with corresponding power control step-size to different SPS resources.
Especially, the present invention is increased to power control step-size among the SPS resource pattern, and then SPS resource pattern tabulation is as shown in table 1 among the present invention:
Table 1
Wherein, repetition period tabulation (Repetition Period list) is SPS resource pattern tabulation, if correspondence is up SPS resource, then is TX pattern tabulation; If corresponding is descending SPS resource, then be RX pattern tabulation.The parameter that comprises in this SPS resource pattern tabulation has: repetition period (Repetition Period), repeat length (Repetition Length) and power control step-size (Powercontrol step).
Repetition period is an enumeration type, and span is 1,2,4,8,16,32,64 etc.; The span of repeat length is 1 to 63 integer, and unit is a time slot; The power control step-size scope is 1～3, and unit is db.In addition; Each SPS resource pattern has the index of a correspondence; Indicated the position of this SPS resource pattern in SPS resource pattern tabulation, then this index can specifically identify a kind of SPS resource (like the Repetition Period Index in the table 1).
The embodiment of the power control step-size that a kind of SPS resource is corresponding is as shown in table 2:
Table 2
Step 102, RNC disposes SPS resource and corresponding power control step-size thereof to base station and terminal through SPS resource pattern tabulation.
Comprise a plurality of SPS resource pattern in the SPS resource pattern tabulation; Each SPS resource pattern comprises repetition period, repeat length and the corresponding power control step-size of SPS resource, i.e. comprise SPS resource and corresponding power control step-size thereof in the SPS resource pattern tabulation.When then RNC gives base station and terminal with SPS resource pattern list configuration, also SPS resource and corresponding power control step-size thereof are disposed to base station and terminal.
Detailed process is:
At first: RNC gives the base station with SPS resource pattern list configuration earlier; The base station is selected a SPS resource pattern (abbreviating initial SPS resource pattern as) who is used for initial transmission, is initial SPS resource from SPS resource pattern tabulation then, and index that will this initial SPS resource pattern returns to RNC;
Secondly, RNC gives the terminal with index and the SPS resource pattern list configuration of initial SPS resource pattern.
If RNC is to the up SPS resource of base station configuration; Then RNC sends to the base station through NBAP message with TX pattern tabulation; Except the repetition period and repeat length that comprise this up SPS resource, also comprise the corresponding power control step-size of this up SPS resource among each TX pattern in this TX pattern tabulation; Then, an initial TX pattern is selected in the base station from TX pattern tabulation, and its index is returned to RNC through the NBAP response message; RNC gives the terminal through RRC message with index and the TXpattern list configuration of initial TX pattern.It is pointed out that it is identical with corresponding power control step-size that RNC gives the up SPS resource at base station and terminal through TX pattern tabulation initial configuration.
For descending SPS resource, then above-mentioned Tx Pattern tabulation is replaced with Rx Pattern tabulation, both methods of configuration are identical with step, repeat no more here.
In addition, if not initial configuration, when the SPS resource need be revised in the base station, method of the present invention also comprised: the base station need dynamically be selected a new SPS resource, be new SPS resource pattern from the SPS resource pattern tabulation of self preserving; The terminal is given through the index configurations that down channel will this new SPS resource pattern in the base station then.Concrete, for up SPS resource, described down channel is E-AGCH; For descending SPS resource, described down channel is HS-SCCH.
Here, the base station has three kinds to the situation of terminal configuration: the one, only disposed up SPS resource; The one, only disposed descending SPS resource; The one, disposed up SPS resource and descending SPS resource simultaneously.
Step 103, terminal are confirmed the SPS resource and corresponding power control step-size of current use, up channel are carried out the adjustment of transmitted power.Concrete, the SPS resource of current use and the power control step-size parameter of correspondence are confirmed according to the SPS resource indication of NodeB base station configuration in the terminal, and up channel is carried out the power adjustment.
Described up channel comprises: E-PUCH and HS-SICH.
For up SPS resource, the terminal uses corresponding power control step-size E-PUCH to be carried out the adjustment of transmitted power; For descending SPS resource, the terminal uses corresponding power control step-size HS-SICH to be carried out the adjustment of transmitted power.
Through concrete embodiment technical scheme of the present invention is described below.
Embodiment one, be illustrated in figure 2 as the power control flow to up SPS resource, comprise the steps:
Step 201, RNC gives the base station through the TX Pattern list configuration that NBAP message will comprise power control step-size.
The cell format that this TX Pattern tabulation comprises is as shown in table 1, repeats no more here.NBAP message can be set up or radio link reconfiguration or Radio Link increases or Radio Link is revised message for: Radio Link.
Step 202, a Tx Pattern (being called for short initial Tx Pattern) who is used for initial transmission is selected in the base station from Tx Pattern tabulation, and the index of initial Tx Pattern is returned to RNC through the NBAP response message.
Preserve after receiving Tx Pattern tabulation the base station, from Tx Pattern tabulation, selects a Tx Pattern who is used for initial transmission, and return the NBAP response message to RNC, wherein comprises the index of the employed TX pattern of initial transmission.
The NBAP response message can be set up response or radio link reconfiguration response or Radio Link increases response or Radio Link is revised response message for: Radio Link.
Step 203, RNC gives the terminal through RRC message with index and the Tx Pattern list configuration of initial TX pattern.
RRC message can for: physical channel is reshuffled, transmission channel is reshuffled, RB sets up or the RB reconfiguration message.
As shown in table 3 for RNC disposes the tabulation to the Tx Pattern at terminal, comprise RNC in the step 201 in this tabulation and disposed the information that the Tx Pattern to the base station tabulates and comprised.Wherein, Transmission PatternList is the Repetition Period list in the table 1.
Table 3
Step 204, the RRC response message is returned to RNC in the terminal.
After the index of Tx Pattern tabulation and initial Tx Pattern of RNC configuration is received at the terminal, can confirm to be used for the up SPS resource (being called for short initial uplink SPS resource) of initial transmission, and corresponding power control step-size.
The RRC response message can be reshuffled response for physical channel, transmission channel is reshuffled response, RB foundation response or RB reconfiguration response message.
Step 205, terminal are used initial uplink SPS resource, send E-PUCH to the base station.Here, the terminal is the power when E-PUCH is sent in the base station for the first time, is determined by open Loop Power control.
Step 206 after E-PUCH is received in the base station, to the terminal transmission power control commands, is adjusted the direction of the transmitted power of E-PUCH to inform UE: raise or downward modulation through E-HICH.
Step 207, UE receives E-HICH, the power control step-size corresponding according to initial uplink SPS resource; And the power control command that carries among the E-HICH of base station transmission; E-PUCH is carried out the adjustment of transmitted power, and then, the terminal is sent E-PUCH according to adjusted power to the base station.
Step 208 after E-PUCH is received in the base station, is returned E-HICH to the terminal, carries power control command.
So, as long as the initial uplink SPS resource of the current use in terminal is not revised in the base station, execution in step 207～208 then circulates.
Step 209 when the up SPS resource of the current use in terminal need be revised in the base station, is accepted step 208, and E-AGCH also need be sent to UE in the base station, wherein carries amended up SPS resource, is the index of amended TX pattern.Concrete, a new TX pattern is dynamically selected as required in the base station from the TX pattern tabulation of self preserving, and this new TX pattern is amended TX pattern.It is pointed out that the base station when E-AGCH is sent at the terminal, also carries power control command.
Step 210; After the E-HICH and E-AGCH that send the base station received at the terminal; The index and the TX pattern tabulation of self preserving of the new TX pattern that carries according to wherein E-AGCH; Confirm new up SPS resource and corresponding power control step-size, and use this new up SPS resource, send E-PUCH to the base station: particularly; The terminal uses the corresponding power control step-size of index of new new TX pattern to adjust transmitted power, and concrete adjustment direction is determined by the power control command that E-AGCH and E-HICH carry jointly.
Step 211 after E-PUCH is received in the base station, to the terminal transmission power control commands, is adjusted the direction of the transmitted power of E-PUCH to inform UE: raise or downward modulation through E-HICH.
Step 212; The terminal receives E-HICH, and according to the power control command that carries among corresponding power control step-size of new up SPS resource and the E-HICH, E-PUCH is carried out the adjustment of transmitted power; Then, the terminal is sent E-PUCH according to adjusted power to the base station.
So, as long as the up SPS resource of the current use in terminal is not revised in the base station, execution in step 211～212 then circulates.
Embodiment two, shown in Figure 3 for the power control flow to descending SPS resource comprises the steps:
Step 301, RNC gives the base station through the RX Pattern list configuration that NBAP message will comprise power control step-size.
The cell format that this RX Pattern tabulation comprises is as shown in table 1, repeats no more here.NBAP message can be set up or radio link reconfiguration or Radio Link increases or Radio Link is revised message for: Radio Link.
Step 302, base station are selected a Rx Pattern (being called for short Initial R x Pattern) who is used for initial transmission from Rx Pattern tabulation, and the index of Initial R x Pattern is returned to RNC through the NBAP response message.
Preserve after receiving Rx Pattern tabulation the base station, from Rx Pattern tabulation, selects a Rx Pattern who is used for initial transmission, and return the NBAP response message to RNC, wherein comprises the index of the employed RX pattern of initial transmission.
The NBAP response message can be set up response or radio link reconfiguration response or Radio Link increases response or Radio Link is revised response message for: Radio Link.
Step 303, RNC gives the terminal through RRC message with index and the Rx Pattern list configuration of Initial R X pattern.
RRC message can for: physical channel is reshuffled, transmission channel is reshuffled, RB sets up or the RB reconfiguration message.
As shown in table 4 for RNC disposes the tabulation to the Rx Pattern at terminal, comprise RNC in the step 301 in this tabulation and dispose the information that the RX Pattern to the base station tabulates and comprised.Wherein, Receive Pattern List is the Repetition Period list in the table 1.
Table 4
Step 304, the RRC response message is returned to RNC in the terminal.
After the index of Rx Pattern tabulation and Initial R x Pattern of RNC configuration is received at the terminal, can confirm to be used for the descending SPS resource (being called for short initial downlink SPS resource) of initial transmission, and the power control step-size of correspondence.
The RRC response message can be reshuffled response for physical channel, transmission channel is reshuffled response, RB foundation response or RB reconfiguration response message.
Step 305, base station are used initial downlink SPS resource, send HS-PDSCH to the terminal.
Step 306, UE uses initial downlink SPS resource, and receives the HS-PDSCH that send the base station according to Initial R x Pattern, and uses the power by the open Loop Power control decision to send HS-SICH to the base station.
Step 307, base station are used initial downlink SPS resource, send HS-PDSCH to the terminal, have wherein carried power control command, adjust the direction of the transmitted power of HS-SICH to inform UE: raise or downward modulation.
Step 308; UE uses initial downlink SPS resource; And receiving the HS-PDSCH that send the base station according to Initial R x Pattern, the power control command that carries among the HS-PDSCH that sends according to the corresponding power control step-size of initial downlink SPS resource and base station then carries out the adjustment of transmitted power to HS-SICH; Then, the terminal is sent HS-SICH according to adjusted power to the base station.
Step 309 after the base station receives HS-SICH, is returned HS-PDSCH to the terminal, wherein carries power control command.
So, the initial downlink SPS resource of the current use in terminal is not revised in the base station as long as does not revise the base station, and execution in step 308～309 then circulates.
Step 310 when the descending SPS resource of current use need be revised in the base station, is accepted step 308, after the HS-SICH that sends at the terminal is received in the base station, sends HS-SCCH to UE, wherein carries amended descending SPS resource, is the index of amended RX pattern.Concrete, a new RX pattern is dynamically selected as required in the base station from the RXpattern tabulation of self preserving, and this new RX pattern is amended RX pattern.It is pointed out that the base station also carried power control command to the HS-SCCH that UE sends.
Step 311, base station use new descending SPS resource to send HS-PDSCH to the terminal, have wherein carried power control command.
Step 312; UE is according to the index of the new RX pattern that carries on the HS-SCCH that receives; Confirm new descending SPS resource and corresponding power control step-size; And the HS-PDSCH that sends according to base station in the new Rx Pattern receiving step 311; And use the new corresponding power control step-size of descending SPS resource that the transmitted power of HS-SICH is adjusted, concrete adjustment direction is determined by the power control command that HS-SCCH and HS-DSCH carry jointly, uses adjusted power to send HS-SICH to the base station.
Step 313 after the base station receives HS-SICH, is returned HS-PDSCH to the terminal, wherein carries power control command.
Step 314, UE uses new descending SPS resource, and receives the HS-PDSCH that send the base station according to new Rx Pattern; The power control command that carries among the HS-PDSCH that sends according to the corresponding power control step-size of new descending SPS resource and base station then carries out the adjustment of transmitted power to HS-SICH, and then, the terminal is sent HS-SICH according to adjusted power to the base station.
So, as long as the descending SPS resource of the current use in terminal is not revised in the base station, execution in step 313～314 then circulates.
In order to realize said method, the invention provides the system of power control under a kind of semi-continuous scheduling pattern, as shown in Figure 4, comprising: module, configuration module and synchronization module are set; Wherein,
Module is set, is used to be provided with the corresponding power control step-size of SPS resource;
Configuration module is used for through SPS resource pattern tabulation SPS resource and corresponding power control step-size thereof being disposed to base station and terminal; SPS resource pattern tabulation comprises SPS resource and corresponding power control step-size thereof;
Power regulation module is used for confirming the corresponding power control step-size of SPS resource of current use up channel being carried out the adjustment of transmitted power.
Configuration module comprises: first configuration module among the RNC and the 3rd configuration module in second configuration module and the base station; Wherein:
First configuration module is used for giving the base station through NBPA message with SPS resource pattern list configuration;
The 3rd configuration module is used for selecting initial SPS resource pattern from SPS resource pattern tabulation, and the index of initial SPS resource pattern is returned to second configuration module through the NBPA response message;
Second configuration module is used for giving the terminal through RRC message with index and the SPS resource pattern list configuration of initial SPS resource pattern.
The 3rd configuration module also is used for when the SPS resource of the current use in terminal need be revised in the base station, from SPS resource pattern tabulation, selects new SPS resource pattern, and gives the terminal through down channel with the index configurations of new SPS resource pattern.
Power regulation module is used for index and SPS resource pattern tabulation according to initial SPS resource pattern, confirms the initial SPS resource and the corresponding power control step-size of current use; Also be used for index and SPS resource pattern tabulation, confirm the new SPS resource and the corresponding power control step-size of current use according to new SPS resource pattern.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (12)
1. the method for power control under the semi-continuous scheduling pattern is characterized in that, radio network controller (RNC) is provided with the corresponding power control step-size of semi-continuous scheduling (SPS) resource, and this method also comprises:
RNC disposes SPS resource and corresponding power control step-size thereof to base station and terminal through SPS resource format (pattern) tabulation; Said SPS resource pattern tabulation comprises SPS resource and corresponding power control step-size thereof;
The SPS resource and corresponding power control step-size of current use confirmed at said terminal, up channel carried out the adjustment of transmitted power.
2. according to the method for power control under the said semi-continuous scheduling pattern of claim 1, it is characterized in that RNC disposes SPS resource and corresponding power control step-size thereof to base station and terminal through SPS resource pattern tabulation, is specially:
Said RNC gives the base station through NBAP message with said SPS resource pattern list configuration;
Initial SPS resource is selected in said base station from said SPS resource pattern tabulation, and the index of said initial SPS resource is returned to said RNC through the NBAP response message;
Said RNC gives the terminal through RRC message with the index and the said SPS resource pattern list configuration of said initial SPS resource.
3. the method for controlling according to power under the said semi-continuous scheduling pattern of claim 2; It is characterized in that; RNC disposes SPS resource and corresponding power control step-size thereof to after base station and the terminal respectively; This method also comprises: when the SPS resource of current use need be revised in the base station, from the said SPS resource pattern tabulation of self preserving, select new SPS resource, and the index configurations through will the be said new SPS resource of down channel is to said terminal.
4. according to the method for power control under claim 2 or the 3 said semi-continuous scheduling patterns, it is characterized in that the SPS resource and corresponding power control step-size of current use confirmed at said terminal, is specially:
The initial SPS resource and corresponding power control step-size of current use confirmed according to the index and the said SPS resource pattern tabulation of said initial SPS resource in said terminal; Perhaps,
The new SPS resource and corresponding power control step-size of current use confirmed according to the index and the said SPS resource pattern tabulation of said new SPS resource in said terminal.
5. according to the method for power control under the said semi-continuous scheduling pattern of claim 4, it is characterized in that,
Comprise a plurality of SPS resource pattern in the said SPS resource pattern tabulation;
Said SPS resource pattern comprises repetition period and repeat length and the corresponding power control step-size of SPS resource that characterizes the SPS resource.
6. according to the method for power control under the said semi-continuous scheduling pattern of claim 3, it is characterized in that,
When said SPS resource was up SPS resource, said down channel was E-AGCH;
When said SPS resource was descending SPS resource, said down channel was HS-SCCH.
7. according to the method for power control under the said semi-continuous scheduling pattern of claim 5, it is characterized in that,
When said SPS resource is up SPS resource, said SPS resource pattern tabulation for send form (Tx Pattern) tabulation, said SPS resource pattern is Tx Pattern;
When said SPS resource is descending SPS resource, said SPS resource pattern tabulation for receive form (Rx Pattern) tabulation, said SPS resource pattern is Rx Pattern.
8. according to the method for power control under claim 1, the 2 or 3 said semi-continuous scheduling patterns, it is characterized in that,
When the SPS resource of said current use was up SPS resource, the adjustment of transmitted power was carried out at said terminal to up channel E-PUCH according to the power control step-size of correspondence;
When the SPS resource of said current use was descending SPS resource, the adjustment of transmitted power was carried out at said terminal to up channel HS-SICH according to the power control step-size of correspondence.
9. the system of power control under the semi-continuous scheduling pattern is characterized in that, comprising: module, configuration module and power regulation module are set; Wherein,
The said module that is provided with is used to be provided with the corresponding power control step-size of SPS resource;
Configuration module is used for through SPS resource pattern tabulation SPS resource and corresponding power control step-size thereof being disposed to base station and terminal; Said SPS resource pattern tabulation comprises SPS resource and corresponding power control step-size thereof;
Power regulation module is used for confirming the SPS resource and corresponding power control step-size of current use, up channel is carried out the adjustment of transmitted power.
10. according to the system of power control under the said semi-continuous scheduling pattern of claim 9, it is characterized in that said configuration module comprises: first configuration module among the RNC and the 3rd configuration module in second configuration module and the base station; Wherein:
Said first configuration module is used for giving the base station through NBAP message with said SPS resource pattern list configuration;
Said the 3rd configuration module is used for selecting initial SPS resource pattern from said SPS resource pattern tabulation, and the index of said initial SPS resource pattern is returned to said second configuration module through the NBAP response message;
Said second configuration module is used for giving the terminal through RRC message with index and the said SPS resource pattern list configuration of said initial SPS resource pattern.
11. system according to power control under the said semi-continuous scheduling pattern of claim 10; It is characterized in that; Said the 3rd configuration module; Also be used for when the SPS resource of current use need be revised in the base station, from said SPS resource pattern tabulation, select new SPS resource pattern, and the index configurations through will the be said new SPS resource pattern of down channel is to said terminal.
12. system according to power control under claim 9, the 10 or 11 said semi-continuous scheduling patterns; It is characterized in that; Said power regulation module; Be used for index and said SPS resource pattern tabulation, confirm the initial SPS resource and corresponding power control step-size of current use according to said initial SPS resource pattern; Also be used for index and said SPS resource pattern tabulation, confirm the new SPS resource and corresponding power control step-size of current use according to said new SPS resource pattern.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442818A (en) * | 2008-12-31 | 2009-05-27 | 中兴通讯股份有限公司 | Indication method and apparatus for large bandwidth system physical ascending control channel |
| CN101640558A (en) * | 2008-08-01 | 2010-02-03 | 中兴通讯股份有限公司 | Method for acquiring reference expected received power |
| EP2166810A2 (en) * | 2008-09-22 | 2010-03-24 | HTC Corporation | Method and related device of a trigger mechanism of buffer status report and scheduling request in a wireless communication system |
| CN101742626A (en) * | 2010-01-14 | 2010-06-16 | 华为技术有限公司 | Power regulating method, power regulating system, base station and user equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101026396B (en) * | 2006-02-17 | 2010-05-12 | 华为技术有限公司 | Power control method for packet data transmission |
| CN100544228C (en) * | 2006-04-30 | 2009-09-23 | 中兴通讯股份有限公司 | A kind of collocation method of node B high-speed sharing information channel power control parameter |
| CN101075831A (en) * | 2006-10-10 | 2007-11-21 | 浙江华立通信集团有限公司 | Method for controlling transmitting power of TD-SCDMA mobile telecommunication system by uncontinuous transmission state value |
| CN101316126B (en) * | 2007-06-01 | 2012-04-25 | 鼎桥通信技术有限公司 | HSDPA system power, synchronization control, beam shaping method and base station |
| WO2010033857A1 (en) * | 2008-09-19 | 2010-03-25 | Research In Motion Limited | Detection time of semi-persistent scheduling activation/reconfiguration signaling |
| CN101572940B (en) * | 2009-05-27 | 2011-08-24 | 新邮通信设备有限公司 | Uplink synchronization or uplink power control method, base station and user equipment |
-
2010
- 2010-08-12 CN CN201010254970.6A patent/CN102378338B/en active Active
-
2011
- 2011-06-23 WO PCT/CN2011/076212 patent/WO2012019487A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640558A (en) * | 2008-08-01 | 2010-02-03 | 中兴通讯股份有限公司 | Method for acquiring reference expected received power |
| EP2166810A2 (en) * | 2008-09-22 | 2010-03-24 | HTC Corporation | Method and related device of a trigger mechanism of buffer status report and scheduling request in a wireless communication system |
| CN101442818A (en) * | 2008-12-31 | 2009-05-27 | 中兴通讯股份有限公司 | Indication method and apparatus for large bandwidth system physical ascending control channel |
| CN101742626A (en) * | 2010-01-14 | 2010-06-16 | 华为技术有限公司 | Power regulating method, power regulating system, base station and user equipment |
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