WO2006098440A1 - 送信電力制御方法、移動局、無線基地局及び無線回線制御局 - Google Patents
送信電力制御方法、移動局、無線基地局及び無線回線制御局 Download PDFInfo
- Publication number
- WO2006098440A1 WO2006098440A1 PCT/JP2006/305430 JP2006305430W WO2006098440A1 WO 2006098440 A1 WO2006098440 A1 WO 2006098440A1 JP 2006305430 W JP2006305430 W JP 2006305430W WO 2006098440 A1 WO2006098440 A1 WO 2006098440A1
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- WIPO (PCT)
- Prior art keywords
- base station
- radio base
- transmission
- mobile station
- user data
- Prior art date
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 147
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000011144 upstream manufacturing Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 12
- 238000010295 mobile communication Methods 0.000 description 11
- 238000004891 communication Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 2
- 101100465000 Mus musculus Prag1 gene Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
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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
- H04W52/16—Deriving transmission power values from another channel
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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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
-
- 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
- H04W52/12—Outer and inner loops
-
- 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
- H04W52/32—TPC of broadcast or control channels
-
- 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
- H04W52/48—TPC being performed in particular situations during retransmission after error or non-acknowledgment
-
- 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
-
- 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
- H04W52/32—TPC of broadcast or control channels
- H04W52/325—Power control of control or pilot channels
Definitions
- the present invention relates to a transmission power control method for controlling uplink user data channel transmission power for transmitting uplink user data from a mobile station to a radio base station, a mobile station, a radio base station, and a radio channel Concerning the control station.
- the radio resources of the radio base station NodeB In consideration of transmission power, mobile station UE transmission processing performance, transmission speed required by higher-level applications, etc., determine the transmission speed of the dedicated channel, and move according to the Layer 3 (Radio Resource Control Layer) message. It is configured to notify the determined transmission rate of the dedicated channel to each of the station UE and the radio base station NodeB.
- Layer 3 Radio Resource Control Layer
- the radio network controller RNC is an apparatus that exists above the radio base station NodeB and controls the radio base station NodeB and the mobile station UE.
- the radio network controller RNC normally controls a large number of radio base stations NodeB, as shown in FIG.
- a high-speed channel for example, about 1 to: LOOms
- radio resource control methods that have been studied in "uplink genno, sentence" can be broadly classified into three as follows. The following outlines a powerful radio resource control method.
- the radio base station NodeB power determines the mobile station UE that permits transmission of user data and the transmission rate of the user data for each predetermined timing, and together with the mobile station ID, Broadcasts information on the transmission rate (or the maximum allowable transmission rate of user data).
- the mobile station UE designated by the radio base station NodeB transmits user data at the designated timing and transmission rate (or within the range of the maximum allowable transmission rate).
- each mobile station UE power radio base station NodeB
- the maximum allowable transmission rate of the user data is determined by the radio base station NodeB for each transmission frame or for each of the plurality of transmission frames, and is determined for each mobile station UE. Use the one notified to.
- the radio base station NodeB when notifying the maximum allowable transmission rate, the radio base station NodeB, or the relative value of the maximum allowable transmission rate itself (for example, Up / Down) 3 values of / Hold).
- the transmission rate of user data common to the mobile base station UE that is communicating with the radio base station NodeB or the information necessary for calculating the transmission rate is broadcasted.
- the mobile station determines the transmission rate of user data based on the received information.
- Time & Rate Control and “: Rate Control per UE” are ideally the power control stations that can be the best control method to improve the radio capacity in the uplink. Since it is necessary to assign the transmission rate of user data after knowing the amount of data being transmitted and the transmission power of the mobile station UE, there is a problem that the control load of the radio base station NodeB increases. there were.
- radio resource control methods have a problem that the overhead due to the exchange of control signals becomes large.
- Radio Base Station NodeB broadcasts information common to the radio base station NodeB power cell, and each mobile station UE autonomously obtains the transmission rate of user data based on the received information. Therefore, there is an advantage that the control load by the radio base station NodeB is small.
- the radio base station NodeB needs to be configured so that any mobile station UE can receive user data in the uplink, it can effectively use the radio capacity in the uplink. In order to do so, there was a problem that the equipment scale of the radio base station NodeB increased.
- Non-Patent Document 1 the mobile station UE receives the initial transmission notified in advance.
- the radio base station NodeB can be prevented from allocating excessive radio capacity, resulting in an increase in the equipment size of the radio base station NodeB.
- a prevention method Autonomous ramping method
- the radio base station Node B power is a parameter relating to the maximum allowable transmission rate (or the maximum allowable transmission rate based on hardware resources and radio resources (for example, the amount of interference in the uplink) in each cell. The same shall apply hereinafter) and control the transmission rate of user data in the mobile station in communication.
- a control method based on hardware resources and a control method based on the amount of interference in the uplink will be specifically described.
- the radio base station NodeB is configured to broadcast the maximum allowable transmission rate to the mobile station UE connected to the subordinate cell.
- the radio base station NodeB reduces the maximum allowable transmission rate when the transmission rate of user data in the mobile station UE connected to the subordinate cell becomes high and hardware resources become insufficient. Configure and avoid hardware resource shortages.
- the radio base station NodeB re-establishes the maximum allowable transmission rate when there is a surplus in hardware resources, such as when user data transmission in the mobile station UE connected to the subordinate cell ends. Set high.
- control scheme based on the amount of interference in the uplink is configured to notify the maximum allowable transmission rate to the mobile station UE connected to the cell under the power of the radio base station NodeB. Yes.
- the radio base station NodeB has a higher transmission rate of user data in the mobile station UE connected to the subordinate cell, and the measurement interference amount (for example, noise rise) in the uplink is an allowable value (for example, If the maximum allowable noise rise) is exceeded, the maximum allowable transmission rate is set low so that the amount of interference in the uplink falls within the allowable value (see Fig. 3).
- the measurement interference amount for example, noise rise
- an allowable value for example, If the maximum allowable noise rise
- the maximum allowable transmission rate is set low so that the amount of interference in the uplink falls within the allowable value (see Fig. 3).
- the radio base station NodeB has an interference amount (for example, noise rise) in the uplink, such as when user data transmission in the mobile station UE connected to the subordinate cell is completed. If it is within the allowable value (for example, maximum allowable noise rise) and there is a margin, set the maximum allowable transmission rate higher again (see Fig. 3).
- an interference amount for example, noise rise
- FIG. 4 is a simplified illustration of the transmission power control mechanism, and portions that are not necessary for the description of the present invention, such as the RF unit and the antenna unit, are omitted.
- Transmitting section 101 of mobile station UE is configured to always transmit a dedicated physical control channel (DPCCH) to which layer 1 control information such as pilot signals and TPC commands are mapped. Has been.
- DPCCH dedicated physical control channel
- the transmission section 101 of the mobile station UE maps the uplink user data and control information of layer 2 or higher according to the presence / absence of uplink user data to be transmitted and the presence / absence of transmitter association.
- a dedicated physical data channel (DPDCH) or an enhanced dedicated physical data channel (E-DPDCH) is configured to be transmitted.
- the SIR calculation unit 202 of the radio base station NodeB calculates the received signal-to-interference power ratio (received SIR) of the received dedicated physical control channel (DPC CH) and sets the received target SIR and the received SIR. Compare with SIR.
- the transmitting unit 203 of the radio base station NodeB transmits a "Down" command to the mobile station UE, and when the received SIR is lower than the target SIR, the radio base station The NodeB transmission unit 203 is configured to transmit an “Up” command to the mobile station UE.
- inner loop transmission power control A series of operations as described above is referred to as “inner loop transmission power control”.
- the receiving unit 301 of the radio network controller RNC is configured to measure the reception quality of the enhanced dedicated physical data channel (E-DPDCH) (or dedicated physical data channel (DPDCH)).
- E-DPDCH enhanced dedicated physical data channel
- DPDCH dedicated physical data channel
- the control unit 302 of the radio network controller RNC sets a target SIR in the radio base station NodeB based on the measurement result! Data channel (E-DPDCH) and dedicated physical control channel (DPCCH) ) And a transmission amplitude ratio (hereinafter referred to as a gain factor) is determined and notified to the mobile station UE.
- E-DPDCH Measurement Data channel
- DPCCH dedicated physical control channel
- outer loop transmission power control is performed when the mobile station UE enters a soft handover state or when the mobile station UE moves at a different speed. It is configured to adapt to various changes in the wireless environment, such as when a radio wave is blocked by a building or the like.
- E-DPDCH enhanced dedicated physical data channel
- Non-Patent Document 1 3GPP TSG RAN R2- 042010
- an object of the present invention is to provide a mobile communication method, a mobile station, and a base station that can suppress deterioration in radio quality due to transmission data blocks being transmitted being interrupted.
- a first feature of the present invention is a transmission power control method for controlling transmission power of an uplink user data channel for transmitting uplink user data to a mobile station radio base station, wherein the mobile station However, even when there is no uplink user data to be transmitted to the transmission buffer of the mobile station, periodically transmitting a transmission data block having control information to the radio base station, and the radio The base station notifying the radio network controller of the number of retransmissions of the transmission data block; and the radio network controller is notified Based on the number of retransmissions, a step of determining a target SIR of a dedicated physical control channel in the radio base station and notifying the radio base station, and the radio base station based on the notified target SIR Controlling the transmission power of the dedicated physical control channel in the mobile station, and transmitting the uplink data channel and the dedicated physical control channel by the radio network controller based on the notified number of retransmissions.
- the gist is to have a step of determining an amplitude ratio and notifying the mobile station.
- the second feature of the present invention is used in a transmission power control method for controlling transmission power of an uplink user data channel for transmitting uplink user data channels from a mobile station to a radio base station.
- the mobile station is configured to periodically transmit a transmission data block having control information to the radio base station even when there is no uplink user data force S to be transmitted to the transmission buffer.
- the gist of the present invention is to provide a control unit configured to control the transmission power of the uplink user data channel.
- the third feature of the present invention is used in a transmission power control method for controlling transmission power of an uplink user data channel for transmitting uplink user data channels from a mobile station to a radio base station.
- a radio base station configured to notify the radio network controller of the number of retransmissions of a transmission data block including control information transmitted by the mobile station; and the radio network controller
- a control unit configured to control transmission power of the dedicated physical control channel in the mobile station based on the target SIR of the dedicated physical control channel in the radio base station notified by The gist.
- a fourth feature of the present invention is a radio network controller used in a transmission power control method for controlling transmission power of an uplink user data channel for transmitting uplink user data from a mobile station to a radio base station.
- a transmission data block having control information for the radio base station periodically even if the mobile station has no uplink user data to be transmitted to the transmission buffer of the mobile station.
- the wireless base station transmits the transmission data.
- the target SIR of the dedicated physical control channel in the radio base station is determined based on the notified number of retransmissions and the radio base station
- a notification unit configured to determine a transmission amplitude ratio between an uplink user data channel and the dedicated physical control channel based on the notified number of retransmissions and notify the mobile station of the transmission amplitude ratio.
- the gist is to have it.
- FIG. 1 is a configuration block diagram of a transmission power control system according to an embodiment of the present invention.
- FIG. 2 (a) to (c) are diagrams for explaining data transmission of a mobile station according to an embodiment of the present invention.
- FIG. 3 is a graph showing how the transmission rate of a mobile station is controlled in the transmission power control system according to one embodiment of the present invention.
- FIG. 4 is a configuration block diagram of a transmission power control system according to an embodiment of the present invention.
- FIG. 5 is a configuration block diagram of a mobile station radio communication function unit according to an embodiment of the present invention.
- FIG. 6 is a configuration block diagram of a baseband signal processing unit according to an embodiment of the present invention.
- FIG. 7 is a configuration block diagram of a MAC-e unit according to an embodiment of the present invention.
- FIG. 8 is a configuration block diagram of a radio base station according to one embodiment of the present invention.
- FIG. 9 is a configuration block diagram of a baseband signal processing unit according to an embodiment of the present invention.
- FIG. 10 is a configuration block diagram of a baseband signal processing unit according to an embodiment of the present invention.
- FIG. 11 is a configuration block diagram of a MAC-e function unit according to an embodiment of the present invention.
- FIG. 12 is a configuration block diagram of a radio network controller according to an embodiment of the present invention.
- FIG. 13 is a sequence diagram showing a transmission power control method according to an embodiment of the present invention.
- the mobile station radio communication function unit provided in the mobile station in the mobile communication system according to the first embodiment of the present invention includes a bus interface unit, a call processing unit, a base A band signal processing unit and an RF unit are provided.
- the powerful baseband signal processing unit includes an RLC processing unit, a MAC-d processing unit, a MAC-e processing unit, and a layer 1 processing unit. .
- the powerful MAC-e processing unit includes an E-TFC selection unit and a HARQ processing unit.
- the powerful MAC-e processing unit periodically has control information (MAC layer control information) for the radio base station even when there is no uplink user data to be transmitted to the transmission buffer. It is configured to transmit a transmission data block.
- control information MAC layer control information
- the MAC-e processing unit performs control PDU (transmission data block) including control information such as a surplus degree of transmission power and a buffer state. Is transmitted in advance until the minimum transmission block size (TBS: Transport Block Size) is reached.
- TBS Transport Block Size
- the MAC-e processing unit is configured to transmit a transmission amplitude ratio (gain factor) between the uplink user data channel (E-DPDCH) and the dedicated physical control channel (DPCCH) notified of by the radio network controller RNC power, The transmission power of the uplink user data channel is controlled based on the transmission power of the dedicated physical control channel controlled by the base station. Yes.
- the radio base station (corresponding to each cell) in the transmission rate control system according to the first embodiment of the present invention includes an HWY interface, a baseband signal processor, a call controller And a transmission / reception unit and an amplifier unit.
- the powerful baseband signal processing unit includes a MAC-e and a layer 1 processing unit.
- FIG. 10 shows a specific configuration example of the MAC-e and the layer 1 processing unit (upstream processing unit) related to the present invention.
- the uplink data transmitted from the transmitting / receiving unit is transferred to each RAKE unit.
- the DPCCH RAKE unit performs DPCCH despreading and RAKE synthesis, and the SIR measurement unit performs SIR measurement using the pilot part of DPCC H, and compares the SIR measured with the target SIR. To do.
- the SIR comparison unit instructs the downlink processing unit of the baseband signal processing unit to transmit the “Up” or “Down” TPC command on the downlink. To do.
- the SIR comparison unit is connected to the radio network controller RNC via the HWY interface, and the target SIR is designated from the radio network controller RNC.
- the radio base station controls the transmission power of the dedicated physical control channel in the mobile station based on the target SIR of the dedicated physical control channel in the radio base station notified by the radio network controller RNC.
- the MAC-e function unit in the MAC-e and layer 1 processing unit includes a HARQ processing unit, a scheduling unit, and a reception processing command unit.
- the HARQ processing unit is configured to notify the radio network controller of the number of retransmissions of the transmission data block including the control information transmitted by the mobile station.
- the HARQ processing unit sends Nack through the downlink, stores the received soft decision information in the HARQ buffer, and "CRC OK In this case, an Ack is transmitted via the downlink, and at the same time, the number of retransmissions with “CRC OK” is notified to the radio network controller RNC.
- Times Dedicated physical control channel (DPCCH) target SIR at radio base stations The transmission amplitude ratio between the user data channel (E-DPDCH) and DPCCH is determined and notified to the radio base station.
- the radio network controller includes a radio base station IF unit, a switching center IF unit, a media signal processing unit, a MAC layer processing unit, a call control unit, and an RLC layer processing. And an outer loop transmission power control unit.
- the outer loop transmission power control unit determines a target SIR and a gain factor based on uplink user data received from the radio base station and the number of retransmissions according to the CRC result.
- the radio base station is instructed to set the target SIR high. Or, instruct the radio base station and mobile station to set the gain factor high.
- An object of the present invention is to provide a mobile communication method, a mobile station, and a base station that can suppress radio quality deterioration due to interruptions.
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Abstract
Description
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06729419A EP1868303A1 (en) | 2005-03-18 | 2006-03-17 | Transmission power control method, mobile station, radio base station, and radio line control station |
KR1020077023065A KR100927368B1 (ko) | 2005-03-18 | 2006-03-17 | 송신 전력 제어 방법, 이동국, 무선 기지국 및 무선네트워크 제어국 |
US11/886,320 US7853283B2 (en) | 2005-03-18 | 2006-03-17 | Transmission power control method, mobile station, radio base station, and radio network controller |
JP2007508229A JPWO2006098440A1 (ja) | 2005-03-18 | 2006-03-17 | 送信電力制御方法、移動局、無線基地局及び無線回線制御局 |
CN2006800088124A CN101142770B (zh) | 2005-03-18 | 2006-03-17 | 发送功率控制方法、移动台、无线基站及无线线路控制台 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005080716 | 2005-03-18 | ||
JP2005-080716 | 2005-03-18 |
Publications (1)
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WO2006098440A1 true WO2006098440A1 (ja) | 2006-09-21 |
Family
ID=36991784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/305430 WO2006098440A1 (ja) | 2005-03-18 | 2006-03-17 | 送信電力制御方法、移動局、無線基地局及び無線回線制御局 |
Country Status (6)
Country | Link |
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US (1) | US7853283B2 (ja) |
EP (1) | EP1868303A1 (ja) |
JP (1) | JPWO2006098440A1 (ja) |
KR (1) | KR100927368B1 (ja) |
CN (1) | CN101142770B (ja) |
WO (1) | WO2006098440A1 (ja) |
Cited By (8)
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JP2008118514A (ja) * | 2006-11-07 | 2008-05-22 | Nec Corp | 無線通信システム、無線制御装置、無線基地局装置および電力制御方法 |
JP2008193536A (ja) * | 2007-02-07 | 2008-08-21 | Nec Corp | 移動通信システム、無線基地局装置及びそれらに用いる電力制御方法 |
EP2063547A1 (en) * | 2007-11-23 | 2009-05-27 | Alcatel, Lucent | Adaptive power control for EDCH |
WO2009078762A1 (en) | 2007-12-14 | 2009-06-25 | Telefonaktiebolaget Lm Ericsson | Method and arrangement for adjusting transmission power by- adjusting a gain factor in a communication system |
JP2009188955A (ja) * | 2008-02-08 | 2009-08-20 | Ntt Docomo Inc | 移動通信方法、移動通信システム及び無線基地局 |
JP2010114943A (ja) * | 2007-03-06 | 2010-05-20 | Ntt Docomo Inc | 移動局装置、及び基地局装置並びに通信制御方法 |
JP2010523042A (ja) * | 2007-03-26 | 2010-07-08 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | セルラー通信ネットワークのための方法及び構成 |
JP2011507388A (ja) * | 2007-12-14 | 2011-03-03 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 個別チャネル送信電力制御を実行する方法および装置 |
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JP5180312B2 (ja) * | 2007-11-06 | 2013-04-10 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 無線通信システムにおける方法及び構成 |
EP2628341B1 (en) * | 2010-10-12 | 2017-01-04 | Telefonaktiebolaget LM Ericsson (publ) | Uplink power control |
CN102123450B (zh) * | 2011-03-24 | 2016-08-03 | 中兴通讯股份有限公司 | 一种调节外环功率控制的方法、基站、移动台及系统 |
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- 2006-03-17 WO PCT/JP2006/305430 patent/WO2006098440A1/ja active Application Filing
- 2006-03-17 EP EP06729419A patent/EP1868303A1/en not_active Withdrawn
- 2006-03-17 CN CN2006800088124A patent/CN101142770B/zh not_active Expired - Fee Related
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JP2008118514A (ja) * | 2006-11-07 | 2008-05-22 | Nec Corp | 無線通信システム、無線制御装置、無線基地局装置および電力制御方法 |
JP2008193536A (ja) * | 2007-02-07 | 2008-08-21 | Nec Corp | 移動通信システム、無線基地局装置及びそれらに用いる電力制御方法 |
US8817768B2 (en) | 2007-03-06 | 2014-08-26 | Ntt Docomo, Inc. | Mobile station, base station, radio communication system, and communication control method |
JP2010114943A (ja) * | 2007-03-06 | 2010-05-20 | Ntt Docomo Inc | 移動局装置、及び基地局装置並びに通信制御方法 |
JP2010523042A (ja) * | 2007-03-26 | 2010-07-08 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | セルラー通信ネットワークのための方法及び構成 |
US8181080B2 (en) | 2007-11-23 | 2012-05-15 | Alcatel Lucent | Adaptive HARQ control for EDCH |
EP2063547A1 (en) * | 2007-11-23 | 2009-05-27 | Alcatel, Lucent | Adaptive power control for EDCH |
WO2009078762A1 (en) | 2007-12-14 | 2009-06-25 | Telefonaktiebolaget Lm Ericsson | Method and arrangement for adjusting transmission power by- adjusting a gain factor in a communication system |
JP2011507388A (ja) * | 2007-12-14 | 2011-03-03 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 個別チャネル送信電力制御を実行する方法および装置 |
EP2220780A1 (en) * | 2007-12-14 | 2010-08-25 | Telefonaktiebolaget LM Ericsson | Method and arrangement for adjusting transmission power by- adjusting a gain factor in a communication system |
US8462682B2 (en) | 2007-12-14 | 2013-06-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and arrangement for separate channel power control |
EP2220780A4 (en) * | 2007-12-14 | 2014-07-23 | Ericsson Telefon Ab L M | METHOD AND ARRANGEMENT FOR ADJUSTING THE TRANSMISSION POWER BY ADJUSTING A GAIN FACTOR IN A COMMUNICATION SYSTEM |
US8139534B2 (en) | 2008-02-08 | 2012-03-20 | Ntt Docomo, Inc. | Mobile communication method, mobile communication system and radio base station |
JP2009188955A (ja) * | 2008-02-08 | 2009-08-20 | Ntt Docomo Inc | 移動通信方法、移動通信システム及び無線基地局 |
Also Published As
Publication number | Publication date |
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CN101142770A (zh) | 2008-03-12 |
KR100927368B1 (ko) | 2009-11-19 |
US7853283B2 (en) | 2010-12-14 |
KR20070111545A (ko) | 2007-11-21 |
CN101142770B (zh) | 2011-12-28 |
US20080207243A1 (en) | 2008-08-28 |
EP1868303A1 (en) | 2007-12-19 |
JPWO2006098440A1 (ja) | 2008-08-28 |
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