JP5992971B2 - 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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- JP5992971B2 JP5992971B2 JP2014158869A JP2014158869A JP5992971B2 JP 5992971 B2 JP5992971 B2 JP 5992971B2 JP 2014158869 A JP2014158869 A JP 2014158869A JP 2014158869 A JP2014158869 A JP 2014158869A JP 5992971 B2 JP5992971 B2 JP 5992971B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [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. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/06—TPC algorithms
- H04W52/08—Closed loop power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/06—TPC algorithms
- H04W52/10—Open loop power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [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. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [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. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [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. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [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. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [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
-
- 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
-
- 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
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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 (3)
- 無線送受信ユニット(WTRU)における送信電力制御の方法であって、
複数のキャリアのそれぞれについての1つまたは複数の物理チャネルに関する送信電力レベルを決定するステップであって、前記1つまたは複数の物理チャネルは、物理アップリンク共有チャネル(PUSCH)を含む、ステップと、
結合電力レベルを取得するために、前記複数のキャリアのそれぞれについての前記1つまたは複数の物理チャネルに関する前記送信電力レベルを合計するステップと、
前記WTRUについての最大送信電力を決定するステップと、
前記結合電力レベルを前記WTRUの前記最大送信電力と比較するステップと、
前記WTRUの前記最大送信電力を超える前記結合電力レベルにおける前記複数のキャリアのうちの少なくとも1つの、前記1つまたは複数の物理チャネルのうちの少なくとも1つについての電力縮小方式を決定するステップであって、前記電力縮小方式は、前記複数のキャリアのうちの1つまたは複数に渡るWTRU合計送信電力を低減するステップを含み、前記低減は、前記複数のキャリアのうちの前記1つまたは複数において送信されるアップリンク制御情報(UCI)を持つPUSCHまたはUCIを持たないPUSCHのうちの少なくとも1つの優先順位に基づき、UCIを持つ前記PUSCHの前記優先順位は、UCIを持たない前記PUSCHの前記優先順位よりも高い、ステップと、
を備える方法。 - 前記電力縮小方式は、
複数のキャリアのうちの1つまたは複数についての前記送信電力レベルを、それぞれのキャリア合計送信電力しきい値と比較するステップと、
前記比較によって前記送信電力レベルが前記それぞれのキャリア合計送信電力しきい値を超えることが示される前記複数のキャリアのうちの前記1つまたは複数のうちの少なくとも1つについて、前記送信電力レベルを前記それぞれのキャリア合計送信電力しきい値に調整するステップと、
をさらに含む、請求項1に記載の方法。 - 前記電力縮小方式は、
前記複数のキャリアのうちの前記1つまたは複数において送信されるUCIを持たない前記PUSCHをゼロに縮小することをさらに含む、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 | |
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| 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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| TWI508590B (zh) | 2015-11-11 |
| US8982801B2 (en) | 2015-03-17 |
| RU2565030C2 (ru) | 2015-10-10 |
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| JP6155317B2 (ja) | 2017-06-28 |
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| JP2014225915A (ja) | 2014-12-04 |
| US20150189601A1 (en) | 2015-07-02 |
| TW201603611A (zh) | 2016-01-16 |
| KR20110127677A (ko) | 2011-11-25 |
| CN103781163B (zh) | 2017-07-04 |
| CN103781163A (zh) | 2014-05-07 |
| JP5985828B2 (ja) | 2016-09-06 |
| JP2016048961A (ja) | 2016-04-07 |
| US20170251438A1 (en) | 2017-08-31 |
| CN107071882A (zh) | 2017-08-18 |
| TW201116107A (en) | 2011-05-01 |
| US20110038271A1 (en) | 2011-02-17 |
| KR101902579B1 (ko) | 2018-09-28 |
| JP2017175660A (ja) | 2017-09-28 |
| KR20150034775A (ko) | 2015-04-03 |
| WO2010091425A3 (en) | 2011-05-26 |
| EP2397005A2 (en) | 2011-12-21 |
| US9603099B2 (en) | 2017-03-21 |
| JP2012517747A (ja) | 2012-08-02 |
| CN112584476A (zh) | 2021-03-30 |
| AR075378A1 (es) | 2011-03-30 |
| CN102308640A (zh) | 2012-01-04 |
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