CN101702823A - Method for sending emissive power control command and base station - Google Patents

Method for sending emissive power control command and base station Download PDF

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Publication number
CN101702823A
CN101702823A CN200910212087A CN200910212087A CN101702823A CN 101702823 A CN101702823 A CN 101702823A CN 200910212087 A CN200910212087 A CN 200910212087A CN 200910212087 A CN200910212087 A CN 200910212087A CN 101702823 A CN101702823 A CN 101702823A
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user terminal
physical uplink
power control
component carrier
emissive power
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CN101702823B (en
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朱鹏
郝鹏
喻斌
王瑜新
张戎
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2010/074868 priority patent/WO2010149111A1/en
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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
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • 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
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/286—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission during data packet transmission, e.g. high speed packet access [HSPA]
    • 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
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a method for sending an emissive power control command, which comprises: a user terminal sends a physical uplink shared channel or a physical uplink control channel on N component carrier waves, or when N physical uplink control channels are sent on one component carrier wave, a base station configures M emissive power control indexes for the user terminal, and the M emissive power control indexes are used for indicating the position of the emissive power control command of the physical uplink shared channel or the physical uplink control channel of the user terminal in downlink control information associatively encoded by the emissive power control commands of a plurality of user terminals, wherein M is not more than N but not less than 1. The invention further provides a base station. The invention realizes the sending of the emissive power control command in a carrier wave polymerization system.

Description

A kind of sending method of emissive power control command and base station
Technical field
The present invention relates to moving communicating field, particularly relate to a kind of sending method and base station of emissive power control command.
Background technology
At 3GPP LTE (The 3rd Generation Partnership Project Long TermEvolution, third generation partner program Long Term Evolution) in the system, uplink power control (uplinkpower control, abbreviate uplink power control or power control as) be used to control the transmitting power of uplink physical channel (uplinkphysical channel), with the path loss and the shade of compensate for channel, and suppress presence of intercell interference.Wherein, the uplink physical channel of uplink power control control comprises Physical Uplink Shared Channel (PhysicalUplink Shared Channel, PUSCH), Physical Uplink Control Channel (Physical Uplink ControlChannel, PUCCH) and measuring reference signals (Sounding Reference Signal, SRS).The control mode that the LTE uplink power control adopts open loop (open loop) and closed loop (closed loop) to combine.
In the LTE system, (User Equipment, UE) transmitting power of the PUSCH on subframe (subframe) i is defined as user terminal
P PUSCH(i)＝min{P CMAX，10log 10(M PUSCH(i))+P O_PUSCH(j)+α(j)·PL+Δ TF(i)+f(i)}[dBm]
Wherein, f (i) is current PUSCH power control adjustment state.According to the configuration of higher level parameters, when being the accumulated value power control:
f(i)＝f(i-1)+δ PUSCH(i-K PUSCH)
When being the absolute value power control:
f(i)＝δ PUSCH(i-K PUSCH)
δ PUSCHBe a UE specific (UE specific) closed loop correction value, be called emissive power control command (TPC command) again.δ PUSCH(PhysicalDownlink Control Channel PDCCH) sends to object UE by Physical Downlink Control Channel by the base station.
In the LTE system, the transmitting power of the PUCCH of UE on subframe i is defined as
P PUCCH(i)＝min{P CMAX，P 0_PUCCH+PL+h(n CQI，n HARQ)+Δ F_PUCCH(F)+g(i)}[dBm]
Wherein, g (i) is current PUCCH power control adjustment state, is shown below:
g ( i ) = g ( i - 1 ) + Σ m = 0 M - 1 δ PUCCH ( i - k m )
δ PUCCHBe a closed loop correction value that UE is specific, be called emissive power control command (TPCcommand) again.δ PUCCHSend to object UE by the base station by Physical Downlink Control Channel.
It should be noted that in the LTE system that for keeping the single-carrier property of upward signal, to same UE, PUSCH and PUCCH can not send simultaneously.
(Downlink Control Information DCI), comprises down/uplink scheduling information (downlink or uplink scheduling information) uplink transmission power control command etc. to the control information of Physical Downlink Control Channel bearing downlink.According to different Downlink Control Information, LTE system definition multiple descending control information format (DCI format).
Wherein, DCI format 3/3A is used to send the TPC command of PUSCH and PUCCH.The TPC command that includes a plurality of UE among the DCI format 3, each TPC command is 2bits, indication δ PUSCHOr δ PUCCH, its mapping relations respectively as shown in Table 1 and Table 2.
TPC Command and δ among the table 1 DCI format 3 PUSCHMapping relations
??TPC?Command?Field?in?DCI?format?3(2bits) ?δ PUSCH??[dB]
??0 ??-1
??1 ??0
??2 ??1
??3 ??3
TPC Command and δ among the table 2 DCI format 3 PUCCHMapping relations
??TPC?Command?Field?in?DCI?format?3(2bits) ??δ PUCCH??[dB]
??0 ??-1
??1 ??0
??2 ??1
??3 ??3
The TPC command that includes a plurality of UE among the DCI format 3A, each TPC command is 1bit, indication δ PUSCHOr δ PUCCH, its mapping relations are respectively shown in table 3 and table 4.
TPC Command and δ among the table 3 DCI format 3A PUSCHMapping relations
??TPC?Command?Field?in?DCI?format?3A??(1bit) ??δ PUSCH[dB]
??0 ??-1
??1 ??1
TPC Command and δ among the table 4 DCI format 3A PUCCHMapping relations
??TPC?Command?Field?in?DCI?format?3A(1bit) ??δ PUCCH[dB]
??0 ??-1
??1 ??1
The form of DCI format 3/3A as shown in Figure 1, different UEs finds one's own TPC command according to the corresponding therein position of parameter " transmitting power control index tpc-Index " of high level configuration after receiving PDCCH DCI format3/3A.To DCI format 3, the span of transmitting power control index tpc-Index is the integer in [1,15]; To DCI format 3A, the span of transmitting power control index tpc-Index is the integer in [1,31].
LTE-Advanced system (being called for short the LTE-A system) is the evolution system of future generation of LTE system.As shown in Figure 2, the LTE-A system adopts carrier aggregation (carrier aggregation) technological expansion transmission bandwidth, and the carrier wave of each polymerization is called one " component carrier " (component carrier).A plurality of component carriers can be continuous, also can be discontinuous; Same frequency range (operatingband) can be positioned at, also different frequency range can be positioned at.
In the LTE-A system, user terminal can send PUSCH on (up) component carrier, also can send PUSCH simultaneously on a plurality of (up) component carrier; Can on (up) component carrier, send PUCCH, also can on a plurality of (up) component carrier, send PUCCH simultaneously; Also may on one or more (up) component carrier, send PUSCH and PUCCH simultaneously.Dissemination channel condition on the different component carriers may be different, and load also may be different with interference, and the transmitted power of PUSCH or PUCCH and corresponding power control also may differences.
In to the research of LTE-A system physical ascending control channel PUCCH, also propose, on the one-component carrier wave, send a plurality of PUCCH channels.And also may be different to the power control of a plurality of PUCCH on the one-component carrier wave.
Therefore, the base station may need simultaneously a user terminal is sent a plurality of PUSCH of being used for or is used for the emissive power control command TPC command of PUCCH.In the LTE-A system, how in the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals, send a plurality of emissive power control commands of a user terminal, become a problem demanding prompt solution.
Secondly, in the LTE-A system, the base station can send PDCCH on a plurality of (descending) component carrier, and promptly the base station can send Downlink Control Information on a plurality of (descending) component carrier.For uplink power control, how base station and user terminal need arrange transmission/reception emissive power control command on a plurality of (descending) component carrier.Particularly, when the emissive power control command of a plurality of user terminals in same Downlink Control Information during combined coding, the base station need be determined at which to send this Downlink Control Information on (descending) component carrier, so that each user terminal receives its emissive power control command correctly, efficiently.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of sending method and base station of emissive power control command, realize that the base station in the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals, sends one or more emissive power control commands of a user terminal; Realize that the base station sends one or more emissive power control commands of a user terminal on one or more downlink component carriers, these power control commands are included in the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals.
In order to address the above problem, the invention provides a kind of sending method of emissive power control command, comprise: user terminal sends Physical Uplink Shared Channel or Physical Uplink Control Channel on N component carrier, when perhaps on 1 component carrier, sending N Physical Uplink Control Channel, the base station is M transmitting power control of a described user terminal configuration index, described M transmitting power control cord is incorporated in Physical Uplink Shared Channel or the position of emissive power control command in the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals of Physical Uplink Control Channel, wherein N 〉=M 〉=1 of the described user terminal of indication.
Further, said method also can have following characteristics, when user terminal sends Physical Uplink Shared Channel or Physical Uplink Control Channel on N component carrier:
When N 〉=M=1, unified emissive power control command is adopted to Physical Uplink Shared Channel on each component carrier of described user terminal or Physical Uplink Control Channel in the base station; When N=M＞1, independently emissive power control command is adopted to Physical Uplink Shared Channel on each component carrier of described user terminal or Physical Uplink Control Channel in the base station; When N＞M＞1, unified emissive power control command is adopted to Physical Uplink Shared Channel on the described user terminal part component carrier or Physical Uplink Control Channel in the base station.
Further, said method also can have following characteristics, when user terminal sends Physical Uplink Shared Channel or Physical Uplink Control Channel on N component carrier, Physical Uplink Shared Channel on each component carrier of described user terminal or Physical Uplink Control Channel adopt unified emissive power control command, or adopt independently emissive power control command, or the Physical Uplink Shared Channel wherein on the part component carrier or Physical Uplink Control Channel adopt unified emissive power control command, are disposed by high-level signaling.
Further, said method also can have following characteristics, when user terminal sends N Physical Uplink Control Channel on the one-component carrier wave:
When N＞M=1, unified emissive power control command is adopted to each Physical Uplink Control Channel on the same component carrier of described user terminal in the base station; When N=M＞1, independently emissive power control command is adopted to each Physical Uplink Control Channel on the same component carrier of described user terminal in the base station; When N＞M＞1, unified emissive power control command is adopted to the part Physical Uplink Control Channel on the same component carrier of described user terminal in the base station.
Further, said method also can have following characteristics, when user terminal sends N Physical Uplink Control Channel on the one-component carrier wave, each Physical Uplink Control Channel on the same component carrier of described user terminal adopts unified emissive power control command, or adopt independently emissive power control command, or wherein the part Physical Uplink Control Channel adopts unified emissive power control command, is disposed by high-level signaling.
Further, said method also can have following characteristics, send in the Downlink Control Information of the M of a described user terminal emissive power control command on the one-component carrier wave, perhaps, send in a plurality of Downlink Control Information on one or more component carriers.
Further, said method also can have following characteristics, when sending in a plurality of Downlink Control Information of the M of a described user terminal emissive power control command on one or more component carriers, described M transmitting power control cord is incorporated in the described M of the indication emissive power control command position in its place Downlink Control Information respectively.
Further, said method also can have following characteristics, the component carrier of carrying emissive power control command is the resident component carrier of described user terminal, perhaps described user terminal sends the component carrier of described Physical Uplink Shared Channel or Physical Uplink Control Channel, or sends one or more in the downlink component carrier of upstream components carrier wave pairing of described Physical Uplink Shared Channel or Physical Uplink Control Channel with described user terminal; Perhaps dispose by high-level signaling.
Further, said method also can have following characteristics, and described resident component carrier is a system configuration, for the sub-district specific or user terminal specific; Or determine by user terminal.
The present invention also provides a kind of base station, described base station, be used on N component carrier, sending Physical Uplink Shared Channel or Physical Uplink Control Channel when user terminal, when perhaps on 1 component carrier, sending N Physical Uplink Control Channel, be M transmitting power control of described user terminal configuration index, described M transmitting power control cord is incorporated in Physical Uplink Shared Channel or the position of emissive power control command in the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals of Physical Uplink Control Channel, wherein N 〉=M 〉=1 of the described user terminal of indication.
Further, above-mentioned base station also can have following characteristics, described base station, also be used for when user terminal sends Physical Uplink Shared Channel or Physical Uplink Control Channel on N component carrier, when N 〉=M=1, Physical Uplink Shared Channel on each component carrier of described user terminal or Physical Uplink Control Channel are adopted unified emissive power control command; When N=M＞1, Physical Uplink Shared Channel on each component carrier of described user terminal or Physical Uplink Control Channel are adopted independently emissive power control command; When N＞M＞1, Physical Uplink Shared Channel on the described user terminal part component carrier or Physical Uplink Control Channel are adopted unified emissive power control command.
Further, above-mentioned base station also can have following characteristics, described base station, also be used for when user terminal sends N Physical Uplink Control Channel on the one-component carrier wave, when N＞M=1, each Physical Uplink Control Channel on the same component carrier of described user terminal is adopted unified emissive power control command; When N=M＞1, each Physical Uplink Control Channel on the same component carrier of described user terminal is adopted independently emissive power control command; When N＞M＞1, the part Physical Uplink Control Channel on the same component carrier of described user terminal is adopted unified emissive power control command.
Further, above-mentioned base station also can have following characteristics, and described base station is used for the Downlink Control Information of M emissive power control command on the one-component carrier wave of described user terminal sent, perhaps, send in a plurality of Downlink Control Information on one or more component carriers.
Further, above-mentioned base station also can have following characteristics, described base station, be used for a plurality of Downlink Control Information of M emissive power control command on one or more component carriers of described user terminal are sent, described M transmitting power control cord is incorporated in the described M of the indication emissive power control command position in its place Downlink Control Information respectively.
Further, above-mentioned base station also can have following characteristics, described base station, be used for resident component carrier at described user terminal, perhaps described user terminal sends the component carrier of described Physical Uplink Shared Channel or Physical Uplink Control Channel, or sends one or more in the downlink component carrier of upstream components carrier wave pairing of described Physical Uplink Shared Channel or Physical Uplink Control Channel with described user terminal; Perhaps by sending described emissive power control command on the component carrier of high-level signaling configuration.
Further, above-mentioned base station also can have following characteristics, and described resident component carrier is a system configuration, for the sub-district specific or user terminal specific; Or determine by user terminal.
The sending method of the emissive power control command that the present invention proposes and base station have solved adopts in the LTE-A system of carrier aggregation, how in the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals, send the problem of a plurality of emissive power control commands of a user terminal.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the form schematic diagram of LTE system descending control information DCI format 3/3A;
Fig. 2 is a LTE-A system carrier aggregation schematic diagram.
Embodiment
The sending method of emissive power control command provided by the invention comprises following content:
1) user terminal sends PUSCH on N component carrier
When user terminal sends PUSCH on N component carrier, the base station is M transmitting power control of described user terminal configuration index tpc-index, N 〉=M 〉=1 wherein, wherein, transmitting power control index tpc-index is used for indicating the emissive power control command of PUSCH of described user terminal in the position of the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals, wherein:
When N 〉=M=1, unified emissive power control command is adopted to the PUSCH on each component carrier of described user terminal in the base station, and a transmitting power control of described user terminal configuration index tpc-index is given in the base station; When N=M＞1, the PUSCH on each component carrier of described user terminal is adopted independently emissive power control command; When N＞M＞1, the PUSCH on the described user terminal part component carrier is adopted unified emissive power control command.
PUSCH on each component carrier of described user terminal adopts unified emissive power control command, or adopt independently emissive power control command, or the PUSCH wherein on the part component carrier adopts unified emissive power control command, is disposed by high-level signaling.
Especially, when M=1, send in the unified Downlink Control Information of PUSCH emissive power control command on the one-component carrier wave to described user terminal.At this moment, the transmitting power control index tpc-index of described user terminal configuration is used for indicating the position of its emissive power control command at the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals.
Especially, when M＞1, can send in the same Downlink Control Information on same component carrier M PUSCH emissive power control command of described user terminal.At this moment, M transmitting power control index tpc-index of described user terminal configuration is used for indicating the position of its M emissive power control command at the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals.
Especially, when M＞1, can send in a plurality of Downlink Control Information on same component carrier M PUSCH emissive power control command of described user terminal.At this moment, M transmitting power of described user terminal configuration controlled index tpc-index and is used for indicating its M emissive power control command in the position of Downlink Control Information separately.
Especially, when M＞1, also can send respectively in a plurality of Downlink Control Information on a plurality of component carriers M PUSCH emissive power control command of described user terminal.At this moment, M transmitting power of described user terminal configuration controlled index tpc-index and is used for indicating its M emissive power control command respectively in the position of Downlink Control Information separately.
The component carrier of described carrying emissive power control command can be resident component carrier (the Anchor Component Carrier of described user terminal, be called for short Anchor CC), also can be that described user terminal sends the component carrier (to tdd systems) of PUSCH or sends one or more in the downlink component carrier (to frequency division duplex system) of upstream components carrier wave pairing of PUSCH with described user terminal; The component carrier of described carrying emissive power control command also can be disposed by high-level signaling.
Especially, described resident component carrier can be a system configuration, for the sub-district specific or user terminal specific; Also can determine by user terminal.
2) user terminal sends PUCCH on N component carrier
When user terminal sent PUCCH on N component carrier, as required, M transmitting power control of described user terminal configuration index tpc-index, wherein N 〉=M 〉=1 were given in the base station.Transmitting power control index tpc-index is used for indicating the emissive power control command of PUCCH of described user terminal in the position of the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals, wherein:
When M=1, unified emissive power control command is adopted to the PUCCH on each component carrier of described user terminal in the base station, and a transmitting power control of described user terminal configuration index tpc-index is given in the base station; When N=M＞1, the PUCCH on each component carrier of described user terminal is adopted independently emissive power control command; When N＞M＞1, the PUCCH on the described user terminal part component carrier is adopted unified emissive power control command.
PUCCH on each component carrier of described user terminal adopts unified emissive power control command, or adopt independently emissive power control command, or the PUCCH wherein on the part component carrier adopts unified emissive power control command, is disposed by high-level signaling.
Especially, when M=1, send in the unified Downlink Control Information of PUCCH emissive power control command on the one-component carrier wave to described user terminal.At this moment, the transmitting power control index tpc-index of described user terminal configuration is used for indicating the position of its emissive power control command at the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals.
Especially, when M＞1, can send in the same Downlink Control Information on same component carrier M PUCCH emissive power control command of described user terminal.At this moment, M transmitting power control index tpc-index of described user terminal configuration is used for indicating the position of its M emissive power control command at the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals.
Especially, when M＞1, can send in a plurality of Downlink Control Information on same component carrier M PUCCH emissive power control command of described user terminal.At this moment, M transmitting power of described user terminal configuration controlled index tpc-index and is used for indicating its M emissive power control command in the position of Downlink Control Information separately.
Especially, when M＞1, also can send respectively in a plurality of Downlink Control Information on a plurality of component carriers M PUCCH emissive power control command of described user terminal.At this moment, M transmitting power of described user terminal configuration controlled index tpc-index and is used for indicating its M emissive power control command respectively in the position of Downlink Control Information separately.
The component carrier of described carrying emissive power control command can be the resident component carrier of described user terminal, also can be that described user terminal sends the component carrier (to tdd systems) of PUCCH or sends one or more in the downlink component carrier (to frequency division duplex system) of upstream components carrier wave pairing of PUCCH with described user terminal.The component carrier of described carrying emissive power control command also can be disposed by high-level signaling.
Especially, described resident component carrier can be a system configuration, for the sub-district specific or user terminal specific; Also can determine by user terminal.
3) user terminal sends N PUCCH channel on the one-component carrier wave
When user terminal sent N PUCCH channel on the one-component carrier wave, as required, the base station controlled index tpc-index can for M transmitting power of described user terminal configuration, N＞1 wherein, N 〉=M 〉=1.Different transmission power control index tpc-index is used for indicating to a plurality of PUCCH emissive power control commands of described user terminal position at the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals.
When N＞M=1, each PUCCH on the same component carrier of described user terminal is adopted unified emissive power control command; When N=M＞1, each PUCCH on the same component carrier of described user terminal is adopted independently emissive power control command; When N＞M＞1, the part PUCCH on the same component carrier of described user terminal is adopted unified emissive power control command.
Each PUCCH on the same component carrier of described user terminal adopts unified emissive power control command, or adopts independently emissive power control command, or wherein part PUCCH adopts unified emissive power control command, is disposed by high-level signaling.
Especially, when M=1, send in the unified Downlink Control Information of PUCCH emissive power control command on the one-component carrier wave to described user terminal.At this moment, the transmitting power control index tpc-index of described user terminal configuration is used for indicating the position of its emissive power control command at the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals.
Especially, when M＞1, can send in the same Downlink Control Information on same component carrier M PUCCH emissive power control command of described user terminal.At this moment, M transmitting power control index tpc-index of described user terminal configuration is used for indicating the position of its M emissive power control command at the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals.
Especially, when M＞1, can send in a plurality of Downlink Control Information on same component carrier M PUCCH emissive power control command of described user terminal.At this moment, M transmitting power of described user terminal configuration controlled index tpc-index and is used for indicating its M emissive power control command in the position of Downlink Control Information separately.
Especially, when M＞1, also can send respectively in a plurality of Downlink Control Information on a plurality of component carriers M PUCCH emissive power control command of described user terminal.At this moment, M transmitting power of described user terminal configuration controlled index tpc-index and is used for indicating its M emissive power control command respectively in the position of Downlink Control Information separately.
The component carrier of described carrying emissive power control command can be the resident component carrier of described user terminal, also can be that described user terminal sends the component carrier (to tdd systems) of PUCCH or sends one or more in the downlink component carrier (to frequency division duplex system) of upstream components carrier wave pairing of PUCCH with described user terminal.The component carrier of described carrying emissive power control command also can be disposed by high-level signaling.
Especially, described resident component carrier can be a system configuration, for the sub-district specific or user terminal specific; Also can determine by user terminal.
The present invention also provides a kind of base station, described base station, be used on N component carrier, sending Physical Uplink Shared Channel or Physical Uplink Control Channel when user terminal, when perhaps on 1 component carrier, sending N Physical Uplink Control Channel, be M transmitting power control of described user terminal configuration index, described M transmitting power control cord is incorporated in Physical Uplink Shared Channel or the position of emissive power control command in the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals of Physical Uplink Control Channel, wherein N 〉=M 〉=1 of the described user terminal of indication.
Wherein, described base station, also be used for when user terminal sends Physical Uplink Shared Channel or Physical Uplink Control Channel on N component carrier, when N 〉=M=1, Physical Uplink Shared Channel on each component carrier of described user terminal or Physical Uplink Control Channel are adopted unified emissive power control command; When N=M＞1, Physical Uplink Shared Channel on each component carrier of described user terminal or Physical Uplink Control Channel are adopted independently emissive power control command; When N＞M＞1, Physical Uplink Shared Channel on the described user terminal part component carrier or Physical Uplink Control Channel are adopted unified emissive power control command.
Wherein, described base station, also be used for when user terminal sends N Physical Uplink Control Channel on the one-component carrier wave, when N＞M=1, each Physical Uplink Control Channel on the same component carrier of described user terminal adopted unified emissive power control command; When N=M＞1, each Physical Uplink Control Channel on the same component carrier of described user terminal is adopted independently emissive power control command; When N＞M＞1, the part Physical Uplink Control Channel on the same component carrier of described user terminal is adopted unified emissive power control command.
Wherein, described base station is used for the Downlink Control Information of M emissive power control command on the one-component carrier wave of described user terminal sent, and perhaps, sends in a plurality of Downlink Control Information on one or more component carriers.
Wherein, described base station, be used for a plurality of Downlink Control Information of M emissive power control command on one or more component carriers of described user terminal are sent, described M transmitting power control cord is incorporated in the described M of the indication emissive power control command position in its place Downlink Control Information respectively.
Wherein, described base station, be used for resident component carrier at described user terminal, perhaps described user terminal sends the component carrier of described Physical Uplink Shared Channel or Physical Uplink Control Channel, or sends one or more in the downlink component carrier of upstream components carrier wave pairing of described Physical Uplink Shared Channel or Physical Uplink Control Channel with described user terminal; Perhaps by sending described emissive power control command on the component carrier of high-level signaling configuration.
Wherein, described resident component carrier is a system configuration, for the sub-district specific or user terminal specific; Or determine by user terminal.
Describe the present invention in detail below in conjunction with embodiment and accompanying drawing.
Embodiment one
Suppose a LTE-A system, be operated under the mode of frequency division duplexing that two downlink component carrier D1 and D2 are arranged in the system, two upstream components carrier wave U1 and U2.Wherein, U1 and D1 are the up-downgoing component carrier of pairing, and U2 and D2 are the up-downgoing component carrier of pairing.
Current, system call user terminal UE1 sends PUSCH on U1 and U2, user terminal UE2 sends PUSCH on U1, user terminal UE3 sends PUSCH on U2, and in the Downlink Control Information DCI format 3 of the emissive power control command combined coding of a plurality of user terminals, send the emissive power control command that is used for PUSCH of these three user terminals.
Wherein, the PUSCH of UE1 on U1 and U2 adopts 2 independently emissive power control command TPC command1_1 and TPC command1_2; The PUSCH of UE2 on U1 adopts 1 emissive power control command TPC command2; The PUSCH of UE3 on U2 adopts 1 emissive power control command TPC command3.
4 emissive power control commands that are used for PUSCH of three user terminals are included in same DCI format 3.
System configuration D1 is the resident component carrier of three user terminals, and three user terminals are monitored down control channel PDCCH on resident component carrier D1, to receive Downlink Control Information, comprises the DCI format 3 that includes emissive power control command.
System has disposed 2 transmitting power control index for user terminal UE1:
Tpc-index1_1=1, indication TPC command1_1 position in DCI format 3;
Tpc-index1_2=2, indication TPC command1_2 position in DCI format 3;
Disposed 1 transmitting power control index for user terminal UE2:
Tpc-index2=10, indication TPC command2 position in DCI format 3;
Disposed a transmitting power control index for user terminal UE3:
Tpc-index3=7, indication TPC command3 position in DCI format 3.
This DCI format 3 sends on downlink component carrier D1.
Embodiment two
Suppose a LTE-A system, be operated under the mode of frequency division duplexing that two downlink component carrier D1 and D2 are arranged in the system, two upstream components carrier wave U1 and U2.Wherein, U1 and D1 are the up-downgoing component carrier of pairing, and U2 and D2 are the up-downgoing component carrier of pairing.
Current, system call user terminal UE1 sends PUSCH on U1 and U2, user terminal UE2 sends PUSCH on U1, user terminal UE3 sends PUSCH on U2, and in the Downlink Control Information DCI format 3 of the emissive power control command combined coding of a plurality of user terminals, send the emissive power control command that is used for PUSCH of these three user terminals.
Wherein, the PUSCH of UE1 on U1 and U2 adopts 2 independently emissive power control command TPC command1_1 and TPC command1_2; The PUSCH of UE2 on U1 adopts 1 emissive power control command TPC command2; The PUSCH of UE3 on U2 adopts 1 emissive power control command TPC command3.
TPC command1_1 and TPC command2 are included among the same DCI format 3_1; TPC command1_2 and TPC command3 are included among another DCI format 3_2.
System has disposed 2 transmitting power control index for user terminal UE1:
Tpc-index1_1=1, indication TPC command1_1 position in DCI format 3_1;
Tpc-index1_2=1, indication TPC command1_2 position in DCI format 3_2;
Disposed 1 transmitting power control index for user terminal UE2:
Tpc-index2=10, indication TPC command2 position in DCI format 3_1;
Disposed a transmitting power control index for user terminal UE3:
Tpc-index3=7, indication TPC command3 position in DCI format 3_2.
DCI format 3_1 sends on downlink component carrier D1, and DCI format 3_2 sends on downlink component carrier D2.
Embodiment three
Suppose a LTE-A system, be operated under the tdd mode that five component carrier C0, C1, C2, C3 and C4 are arranged in the system.
Current, system call user terminal UE1 is at C1, the last transmission of C2 PUSCH, user terminal UE2 is at C0, C1, C2, the last transmission of C3 PUSCH, and in the Downlink Control Information DCI format 3A of the emissive power control command combined coding of a plurality of user terminals, send the emissive power control command that is used for PUSCH of these two user terminals.
Wherein, the PUSCH of UE1 on C1 and C2 adopts 1 unified emissive power control command TPC command1; The PUSCH of UE2 on C0 adopts 1 independently emissive power control command TPC command2_0; The PUSCH of UE2 on C1 and C2 adopts 1 unified emissive power control command TPC command2_1; The PUSCH of UE2 on C3 adopts 1 independently emissive power control command TPC command2_2.
TPC command2_0 is included among the DCI format 3A_0; TPC command1 and TPC command2_1 are included among the same DCI format 3A_1; TPC command2_2 is included among another DCI format 3A_2.
System has disposed 1 transmitting power control index for user terminal UE1:
Tpc-index1_1=1, indication TPC command1 position in DCI format 3A_1;
Disposed 3 transmitting power control index for user terminal UE2:
Tpc-index2_0=17, indication TPC command2_0 position in DCI format 3A_0;
Tpc-index2_1=17, indication TPC command2_1 position in DCI format 3A_1;
Tpc-index2_2=17, indication TPC command2_2 position in DCI format 3A_2.
DCI format 3A_0 sends on component carrier C0, and DCI format 3A_1 sends on component carrier C1, and DCI format 3A_2 sends on component carrier C2.
Embodiment four
Suppose a LTE-A system, be operated under the fdd mode that four downlink component carrier D1 are arranged in the system, D2, D3 and D4, two upstream components carrier wave U1 and U2.Wherein, U1 and D1 are the up-downgoing component carrier of pairing, and U2 and D3 are the up-downgoing component carrier of pairing.
Current, system call user terminal UE1 sends PUCCH on U1 and U2, user terminal UE2 sends PUCCH on U1 and U2, and in the Downlink Control Information DCI format 3 of the emissive power control command combined coding of a plurality of user terminals, send the emissive power control command that is used for PUCCH of these two user terminals.
Wherein, the PUCCH of UE1 on U1 and U2 adopts 2 independently emissive power control command TPC command1_1 and TPC command1_2; The PUCCH of UE2 on U1 and U2 adopts 2 independently emissive power control command TPC command2_1 and TPC command2_2.
TPC command1_1 and TPC command1_2 are included among the same DCI format 3_1; TPC command2_1 and TPC command2_2 are included among another DCI format 3_2.
System has disposed 2 transmitting power control index for user terminal UE1:
Tpc-index1_1=8, indication TPC command1_1 position in DCI format 3_1;
Tpc-index1_2=15, indication TPC command1_2 position in DCI format 3_1;
Disposed 2 transmitting power control index for user terminal UE2:
Tpc-index2_1=8, indication TPC command2_1 position in DCI format 3_2;
Tpc-index2_2=15, indication TPC command2_2 position in DCI format 3_2.
DCI format 3_1 sends on downlink component carrier D1, and DCI format 3_2 sends on downlink component carrier D3.
Embodiment five
Suppose a LTE-A system, be operated under the tdd mode that five component carrier C0, C1, C2, C3 and C4 are arranged in the system.
Current, system call user terminal UE1 sends 5 PUCCH channels on C2, and in the Downlink Control Information DCI format 3A of the emissive power control command combined coding of a plurality of user terminals, send the emissive power control command that this user terminal is used for PUCCH.
Wherein, 5 PUCCHs of UE1 on C2 adopt 5 independently emissive power control command TPC command1_0, TPC command1_1 ..., TPC command1_4.
5 emissive power control commands that are used for PUCCH are included in same DCI format 3A.
UE1 resides on the component carrier C2, and monitors down control channel PDCCH on resident component carrier C2, to receive Downlink Control Information, comprises the DCI format3A that includes emissive power control command.
System has disposed 5 transmitting power control index for user terminal UE1:
Tpc-index1_0=1, indication TPC command1_0 position in DCI format 3A;
Tpc-index1_1=2, indication TPC command1_1 position in DCI format 3A;
Tpc-index1_2=3, indication TPC command1_2 position in DCI format 3A;
Tpc-index1_3=4, indication TPC command1_3 position in DCI format 3A;
Tpc-index1_4=5, indication TPC command1_4 position in DCI format 3A.
This DCI format 3A sends on component carrier C2.
Embodiment six
Suppose a LTE-A system, be operated under the tdd mode that five component carrier C0, C1, C2, C3 and C4 are arranged in the system.
Current, system call user terminal UE1 sends 2 PUCCH channels on C0, on C2, send 1 PUCCH channel, on C4, send 2 PUCCH channels, and in the Downlink Control Information DCI format 3 of the emissive power control command combined coding of a plurality of user terminals, send the emissive power control command that this user terminal is used for PUCCH.
Wherein, 2 PUCCHs of UE1 on C0 adopt 2 independently emissive power control command TPC command1_0, TPC command1_1; 1 PUCCH on C2 adopts 1 independently emissive power control command TPC command1_2; 2 PUCCH on C4 adopt 1 unified emissive power control command TPC command1_3.
TPC command1_0 and TPC command1_1 are included among the same DCI format 3_1; TPC command1_2 is included among another DCI format 3_2; TPC command1_2 is included among another DCI format 3_3.
System has disposed 4 transmitting power control index for user terminal UE1:
Tpc-index1_0=1, indication TPC command1_0 position in DCI format 3_1;
Tpc-index1_1=2, indication TPC command1_1 position in DCI format 3_1;
Tpc-index1_2=1, indication TPC command1_2 position in DCI format 3_2;
Tpc-index1_3=2, indication TPC command1_3 position in DCI format 3_3.
DCI format 3_1 sends on component carrier C0; DCI format 3_2 sends on component carrier C2; DCI format 3_3 sends on component carrier C4.
The above is embodiments of the invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.

Claims (16)

1. the sending method of an emissive power control command, it is characterized in that, comprise: user terminal sends Physical Uplink Shared Channel or Physical Uplink Control Channel on N component carrier, when perhaps on 1 component carrier, sending N Physical Uplink Control Channel, the base station is M transmitting power control of a described user terminal configuration index, described M transmitting power control cord is incorporated in Physical Uplink Shared Channel or the position of emissive power control command in the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals of Physical Uplink Control Channel, wherein N 〉=M 〉=1 of the described user terminal of indication.
2. the method for claim 1 is characterized in that, when user terminal sends Physical Uplink Shared Channel or Physical Uplink Control Channel on N component carrier:
When N 〉=M=1, unified emissive power control command is adopted to Physical Uplink Shared Channel on each component carrier of described user terminal or Physical Uplink Control Channel in the base station; When N=M＞1, independently emissive power control command is adopted to Physical Uplink Shared Channel on each component carrier of described user terminal or Physical Uplink Control Channel in the base station; When N＞M＞1, unified emissive power control command is adopted to Physical Uplink Shared Channel on the described user terminal part component carrier or Physical Uplink Control Channel in the base station.
3. the method for claim 1 is characterized in that,
When user terminal sends Physical Uplink Shared Channel or Physical Uplink Control Channel on N component carrier, Physical Uplink Shared Channel on each component carrier of described user terminal or Physical Uplink Control Channel adopt unified emissive power control command, or adopt independently emissive power control command, or the Physical Uplink Shared Channel wherein on the part component carrier or Physical Uplink Control Channel adopt unified emissive power control command, are disposed by high-level signaling.
4. the method for claim 1 is characterized in that, when user terminal sends N Physical Uplink Control Channel on the one-component carrier wave:
When N＞M=1, unified emissive power control command is adopted to each Physical Uplink Control Channel on the same component carrier of described user terminal in the base station; When N=M＞1, independently emissive power control command is adopted to each Physical Uplink Control Channel on the same component carrier of described user terminal in the base station; When N＞M＞1, unified emissive power control command is adopted to the part Physical Uplink Control Channel on the same component carrier of described user terminal in the base station.
5. the method for claim 1, it is characterized in that, when user terminal sends N Physical Uplink Control Channel on the one-component carrier wave, each Physical Uplink Control Channel on the same component carrier of described user terminal adopts unified emissive power control command, or adopt independently emissive power control command, or wherein the part Physical Uplink Control Channel adopts unified emissive power control command, is disposed by high-level signaling.
6. the method for claim 1, it is characterized in that, send in the Downlink Control Information of the M of a described user terminal emissive power control command on the one-component carrier wave, perhaps, send in a plurality of Downlink Control Information on one or more component carriers.
7. method as claimed in claim 6, it is characterized in that, when sending in a plurality of Downlink Control Information of the M of a described user terminal emissive power control command on one or more component carriers, described M transmitting power control cord is incorporated in the described M of the indication emissive power control command position in its place Downlink Control Information respectively.
8. the method for claim 1, it is characterized in that, the component carrier of carrying emissive power control command is the resident component carrier of described user terminal, perhaps described user terminal sends the component carrier of described Physical Uplink Shared Channel or Physical Uplink Control Channel, or sends one or more in the downlink component carrier of upstream components carrier wave pairing of described Physical Uplink Shared Channel or Physical Uplink Control Channel with described user terminal; Perhaps dispose by high-level signaling.
9. method as claimed in claim 8 is characterized in that, described resident component carrier is a system configuration, for the sub-district specific or user terminal specific; Or determine by user terminal.
10. base station, it is characterized in that, described base station, be used on N component carrier, sending Physical Uplink Shared Channel or Physical Uplink Control Channel when user terminal, when perhaps on 1 component carrier, sending N Physical Uplink Control Channel, be M transmitting power control of described user terminal configuration index, described M transmitting power control cord is incorporated in Physical Uplink Shared Channel or the position of emissive power control command in the Downlink Control Information of the emissive power control command combined coding of a plurality of user terminals of Physical Uplink Control Channel, wherein N 〉=M 〉=1 of the described user terminal of indication.
11. base station as claimed in claim 10, it is characterized in that, described base station, also be used for when user terminal sends Physical Uplink Shared Channel or Physical Uplink Control Channel on N component carrier, when N 〉=M=1, Physical Uplink Shared Channel on each component carrier of described user terminal or Physical Uplink Control Channel are adopted unified emissive power control command; When N=M＞1, Physical Uplink Shared Channel on each component carrier of described user terminal or Physical Uplink Control Channel are adopted independently emissive power control command; When N＞M＞1, Physical Uplink Shared Channel on the described user terminal part component carrier or Physical Uplink Control Channel are adopted unified emissive power control command.
12. base station as claimed in claim 10, it is characterized in that, described base station, also be used for when user terminal sends N Physical Uplink Control Channel on the one-component carrier wave, when N＞M=1, each Physical Uplink Control Channel on the same component carrier of described user terminal is adopted unified emissive power control command; When N=M＞1, each Physical Uplink Control Channel on the same component carrier of described user terminal is adopted independently emissive power control command; When N＞M＞1, the part Physical Uplink Control Channel on the same component carrier of described user terminal is adopted unified emissive power control command.
13. base station as claimed in claim 10, it is characterized in that described base station is used for the Downlink Control Information of M emissive power control command on the one-component carrier wave of described user terminal sent, perhaps, send in a plurality of Downlink Control Information on one or more component carriers.
14. base station as claimed in claim 10, it is characterized in that, described base station, be used for a plurality of Downlink Control Information of M emissive power control command on one or more component carriers of described user terminal are sent, described M transmitting power control cord is incorporated in the described M of the indication emissive power control command position in its place Downlink Control Information respectively.
15. base station as claimed in claim 10, it is characterized in that, described base station, be used for resident component carrier at described user terminal, perhaps described user terminal sends the component carrier of described Physical Uplink Shared Channel or Physical Uplink Control Channel, or sends one or more in the downlink component carrier of upstream components carrier wave pairing of described Physical Uplink Shared Channel or Physical Uplink Control Channel with described user terminal; Perhaps by sending described emissive power control command on the component carrier of high-level signaling configuration.
16. base station as claimed in claim 15 is characterized in that, described resident component carrier is a system configuration, for the sub-district specific or user terminal specific; Or determine by user terminal.
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