JP5985828B2 - 複数キャリアを使用する無線送受信機ユニットのアップリンク電力制御のための装置および方法 - Google Patents
複数キャリアを使用する無線送受信機ユニットのアップリンク電力制御のための装置および方法 Download PDFInfo
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- JP5985828B2 JP5985828B2 JP2011549339A JP2011549339A JP5985828B2 JP 5985828 B2 JP5985828 B2 JP 5985828B2 JP 2011549339 A JP2011549339 A JP 2011549339A JP 2011549339 A JP2011549339 A JP 2011549339A JP 5985828 B2 JP5985828 B2 JP 5985828B2
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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
- H04W52/365—Power headroom reporting
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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
- H04W52/10—Open loop 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
- H04W52/06—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
- H04W52/06—TPC algorithms
- H04W52/16—Deriving transmission power values from another channel
-
- 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
- H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
-
- 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
- H04W52/281—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 taking into account user or data type priority
-
- 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
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
-
- 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
- H04W52/08—Closed loop power control
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Description
PPUSCH(i,k)=min{PCMAX(k),10log10(MPUSCH(i,k))+PO_PUSCH(j,k)+α(j,k)・PL(k)+ΔTF(i,k)+f(i,k)} (式1)
ここで、PPUSCH(i,k)は、PUSCHサブフレーム(i)およびアップリンク(UL) CC(k)に索引付けされた(通常はdBm単位の)WTRU送信電力であり、PCMAX(k)は、UL CC(k)のCC固有の最大WTRU送信電力である。パラメータPCMAX(k)は、eNBによって設定されてもよい。あるいは、PCMAX(k)は、PCMAXが設定された最大WTRU送信電力である場合に、PCMAXと等しくてもよい。たとえば、WTRUがシングルUL CCのみをサポートできる場合、PCMAX(k)はPCMAXにすることができる。帯域幅係数(MPUSCH(i,k))は、割り振られた物理無線ベアラ(PRB)の数であり、開ループ要素は、PO_PUSCH(j,k)+α(j,k)*PL(k)である。
f(i,k)=f(i−1,k)+δPUSCH(i−KPUSCH,k) (式3)
f(i,k)=δPUSCH(i−KPUSCH,k) (式4)
PPUSCH(i,k)=min{PCMAX(k),PO_PUSCH(k)+PL(k)+h(nCQI,nHARQ,k)+ΔF_PUCCH(F)+g(i,k)} (式5)
PL(k)=PLmes(kf)+ΔPL(k)(dB) (式7)
ここで、kfは基準DL CCであり、PLmes(kf)はDL CC(k)fで測定されたパスロスである。項ΔPL(k)は、UL CC(k)のパスロスオフセットを表し、ここでΔPL(k)は、たとえば、それぞれ基準CC(k)fおよびUL CC(k)の中心搬送周波数の関数として、WTRUによって決定されてもよい。
PL=(referenceSignalPower)−(上位レイヤのフィルタリングされたRSRP) (式8)
PL(n)=(referenceSignalPower)−(上位レイヤのフィルタリングされたRSRP)+Poffset(n) (式9)
ここで、Poffset(n)は、DL(n)の相対CRC電力または電力オフセットである。
PLref=Cref+10nreflog10(D)+10mreflog10(fref) (式10)
および
PLi=Ci+10nilog10(D)+10milog10(fi) (式11)
ΔPL(i)=Cref−Ci+10(nref−ni)log10(D)+10mreflog10(fref)−10milog10(fi) (式12)
修正項は、以下のように、式11のさまざまなチャネルモードを説明するようにパスロスオフセットの計算に適用されてもよい。
ΔPL(i)=Cref−Ci+10(nref−ni)log10(D)+10mreflog10(fref)−10milog10(fi)+corr_term (式13)
ここで、corr_termは、パスロスオフセットの修正項である。項corr_termは、ネットワークによって設定または信号伝達されてもよい。corr_termの値は、ルックアップテーブルの形態であってもよい。
PPUSCH(i)=min{(PCMAX−PPUCCH(i)),10log10(MPUSCH(i))+PO_PUCCH(j)+α(j)・PL+ΔTF(i)+f(i)} (式15)
PPUSCH(i)が事前定義された値、たとえば最小電力よりも小さい場合、PUSCHはドロップされる。
PPUSCH(i)=min{(PCMAX,PUSCH,10log10(MPUSCH(i))+PO_PUSCH(j)+α(j)・PL+ΔTF(i)+f(i)} (式22)
および
PPUCCH(i)=min{(PCMAX,PUCCH,P0_PUCCH+PL+h(nCQI,nHARQ)+ΔF_PUCCH(F)+g(i)} (式23)
PH(i,k)=PCMAX−{10log10(MPUSCH(i,k))+PO_PUSCH(j,k)+α(j,k)・PL(k)+ΔTF(i,k)+f(i,k)} (式24)
ここで、PH(i,k)は、UL CC(k)のサブフレームに有効なWTRU PHである。
PH(i,k)=PCMAX(k)−{10log10(MPUSCH(i,k))+PO_PUSCH(j,k)+α(j,k)・PL(k)+ΔTF(i,k)+f(i,k)} (式25)
PHPUSCH(i,k)=PCMAX(k)−(10log10(MPUSCH(i,k))+PO_PUSCH(j,k)+α(j,k)・PL(k)+ΔTF(i,k)+f(i,k)) (式30),
および
PHPUCCH(i,k)=PCMAX(k)−(PO_PUCCH(k)+PL(k)+h(nCQI,nHARQ,k)+ΔF_PUCCH(F)+g(i,k)) (式31)
ここで、PHPUSCH(i,k)およびPHPUCCH(i,k)はそれぞれ、PUSCHおよびPUCCHに対するPHレポートを表す。式(30)および式(31)においてそれぞれ、PCMAX(k)はPCMAXに置き換えられてもよい。
PH(i,k)=10log(Pcmax/Pcalc_pusch)[dB];
PH(i,k)=10log(min(Pcmax,Pcm)/Pcalc_pusch)[dB];
PH(i,k)=10log(Pcmax/Pcalc_pucch)[dB];
PH(i,k)=10log(min(Pcmax,Pcm)/Pcalc_pucch)[dB];
PH(i,k)=10log(min(Pcmax,Pcm)/(Pcalc_pusch+Pcalc_pucch))[dB];または
PH(i,k)=10log(Pcmax/(Pcalc_pusch+Pcalc_pucch))[dB]
1. 無線送受信ユニット(WTRU)におけるアップリンク電力を決定する方法であって、複数のアップリンクキャリアのうちの1つに索引付けされた複数のアップリンク電力パラメータを受信するステップと、複数のアップリンクキャリアのうちの1つに索引付けされた送信電力制御コマンドを受信するステップと、複数のアップリンクキャリアのうちの1つのパスロスを決定するステップと、複数の電力パラメータ、送信電力制御コマンド、およびパスロスに基づいて、複数のアップリンクキャリアのうちの1つの送信電力を決定するステップとを備える方法。
Claims (5)
- 無線送受信ユニット(WTRU)におけるアップリンク送信電力制御の方法であって、前記WTRUは、少なくとも部分的に、1つまたは複数のアップリンクキャリア中の第1のアップリンクチャネルと第2のアップリンクチャネルとを同時に送信するように構成され、前記方法は、
前記第1のアップリンクチャネルの電力レベルを決定するステップと、
前記第1のアップリンクチャネルの前記電力レベルを、電力の差異を決定するために少なくとも1つのアップリンクキャリアに索引付けされたしきい値と比較するステップと、
前記少なくとも1つのアップリンクキャリアに索引付けされた前記第2のアップリンクチャネルの電力レベルについての値を決定するステップと、
前記第2のアップリンクチャネルの前記電力レベルを、前記電力の差異または前記決定された値のいずれかより低いほうに設定するステップであって、前記第2のアップリンクチャネルの前記電力レベルを設定するステップは、前記第1のアップリンクチャネルの前記電力レベル、前記電力の差異、または前記第2のアップリンクチャネルの電力に関する前記決定された値、のいずれかを調整することは含まない、ステップと、
を備えることを特徴とする方法。 - 前記第1のアップリンクチャネルの電力レベルを決定するステップは、前記少なくとも1つのアップリンクキャリアに索引付けされた前記第1のアップリンクチャネルの電力レベルを計算するステップを含むことを特徴とする請求項1に記載の方法。
- 前記第1のアップリンクチャネルは物理アップリンク制御チャネル(PUCCH)であり、前記第2のアップリンクチャネルは物理アップリンク共有チャネル(PUSCH)であることを特徴とする請求項1に記載の方法。
- 前記しきい値は、前記少なくとも1つのアップリンクキャリアに索引付けされた最大WTRU送信電力であることを特徴とする請求項1に記載の方法。
- 前記アップリンク送信電力は、物理アップリンク制御チャネル(PUCCH)について決定されることを特徴とする請求項1に記載の方法。
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US15117409P | 2009-02-09 | 2009-02-09 | |
US61/151,174 | 2009-02-09 | ||
US15235109P | 2009-02-13 | 2009-02-13 | |
US61/152,351 | 2009-02-13 | ||
US23422609P | 2009-08-14 | 2009-08-14 | |
US61/234,226 | 2009-08-14 | ||
PCT/US2010/023669 WO2010091425A2 (en) | 2009-02-09 | 2010-02-09 | Apparatus and method for uplink power control for a wireless transmitter/receiver unit utilizing multiple carriers |
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JP2012517747A JP2012517747A (ja) | 2012-08-02 |
JP2012517747A5 JP2012517747A5 (ja) | 2013-04-04 |
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JP2011549339A Active JP5985828B2 (ja) | 2009-02-09 | 2010-02-09 | 複数キャリアを使用する無線送受信機ユニットのアップリンク電力制御のための装置および方法 |
JP2014158869A Active JP5992971B2 (ja) | 2009-02-09 | 2014-08-04 | 複数キャリアを使用する無線送受信機ユニットのアップリンク電力制御のための装置および方法 |
JP2015242296A Active JP6155317B2 (ja) | 2009-02-09 | 2015-12-11 | 複数キャリアを使用する無線送受信機ユニットのアップリンク電力制御のための装置および方法 |
JP2017111081A Pending JP2017175660A (ja) | 2009-02-09 | 2017-06-05 | 複数キャリアを使用する無線送受信機ユニットのアップリンク電力制御のための装置および方法 |
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JP2015242296A Active JP6155317B2 (ja) | 2009-02-09 | 2015-12-11 | 複数キャリアを使用する無線送受信機ユニットのアップリンク電力制御のための装置および方法 |
JP2017111081A Pending JP2017175660A (ja) | 2009-02-09 | 2017-06-05 | 複数キャリアを使用する無線送受信機ユニットのアップリンク電力制御のための装置および方法 |
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US (3) | US8982801B2 (ja) |
EP (1) | EP2397005A2 (ja) |
JP (4) | JP5985828B2 (ja) |
KR (2) | KR20150034775A (ja) |
CN (4) | CN102308640A (ja) |
AR (1) | AR075378A1 (ja) |
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JP2014225915A (ja) | 2014-12-04 |
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KR20110127677A (ko) | 2011-11-25 |
TW201603611A (zh) | 2016-01-16 |
WO2010091425A2 (en) | 2010-08-12 |
CN107071882B (zh) | 2021-01-01 |
CN112584476A (zh) | 2021-03-30 |
US20170251438A1 (en) | 2017-08-31 |
CN103781163A (zh) | 2014-05-07 |
KR101902579B1 (ko) | 2018-09-28 |
JP6155317B2 (ja) | 2017-06-28 |
RU2011137124A (ru) | 2013-03-20 |
US20110038271A1 (en) | 2011-02-17 |
JP2012517747A (ja) | 2012-08-02 |
RU2565030C2 (ru) | 2015-10-10 |
WO2010091425A3 (en) | 2011-05-26 |
KR20150034775A (ko) | 2015-04-03 |
TW201116107A (en) | 2011-05-01 |
EP2397005A2 (en) | 2011-12-21 |
TWI508590B (zh) | 2015-11-11 |
CN107071882A (zh) | 2017-08-18 |
AR075378A1 (es) | 2011-03-30 |
CN103781163B (zh) | 2017-07-04 |
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