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    • 1. 发明申请
    • METHOD, RADIO SYSTEM, BASE STATION AND USER TERMINAL
    • 方法,无线电系统,基站和用户终端
    • WO2008006932A1
    • 2008-01-17
    • PCT/FI2006/050334
    • 2006-07-11
    • NOKIA CORPORATIONHÄMÄLÄINEN, Jyri, K.HORNEMAN, KariWICHMAN, Risto
    • HÄMÄLÄINEN, Jyri, K.HORNEMAN, KariWICHMAN, Risto
    • H04B7/06H04Q7/20
    • H04B7/0617H04B7/0632
    • Radio system comprising a base station and two or more user terminals. The base station includes a communication unit for providing information relating to at least two transmit weight vector sequences to the user terminals; and the base station includes: a calculation unit for determining at least one first decision variable on the basis of at least two data rate requests and a filtered throughput, the data rate requests being determined on the basis of calculated signal-to-noise ratios corresponding to the at least two transmit weight vector sequences, a calculation unit for determining at least one second decision variable on the basis of maximum data rate requests, minimum data rate requests and the filtered throughputs of the two or more user terminal, and a scheduling unit for controlling scheduling on the basis of the determined at least one first decision variable and the at least one second decision variable.
    • 无线电系统包括基站和两个或更多个用户终端。 基站包括用于向用户终端提供与至少两个发射权重向量序列有关的信息的通信单元; 并且所述基站包括:计算单元,用于基于至少两个数据速率请求和滤波的吞吐量来确定至少一个第一判定变量,所述数据速率请求是基于相应的计算的信噪比来确定的 至少两个发送权重向量序列,计算单元,用于基于最大数据速率请求,最小数据速率请求和两个或更多个用户终端的经滤波的吞吐量以及调度单元来确定至少一个第二判定变量 用于基于所确定的至少一个第一决策变量和所述至少一个第二决策变量来控制调度。
    • 2. 发明申请
    • TRANSMISSION DIVERSITY WITH TWO CROSS-POLARISED ANTENNAS ARRAYS
    • 具有两个交叉极化天线阵列的传输多样性
    • WO2004015887A1
    • 2004-02-19
    • PCT/IB2002/003029
    • 2002-08-05
    • NOKIA CORPORATIONHÄMÄLÄINEN, Jyri, K.WICHMAN, Risto
    • HÄMÄLÄINEN, Jyri, K.WICHMAN, Risto
    • H04B7/10
    • H04B7/0689H04B7/0617H04B7/0634H04B7/0654H04B7/10
    • The present invention concerns a method for selecting a diversity mode (A, B, C) to be applied by a transmitter having two cross-polarized antenna arrays (Ant1, Ant 2), each representing a diversity branch, comprising the steps of: providing (S10) a plurality of diversity mode performance chart look-up tables (LUT, LUT1, LUT2, LUT3), mapping a respective individual diversity mode (A, B, C) to a respective pair of time correlation value (TC) and space correlation value (SC) for said two cross-polarized antenna array beams, wherein a respective individual diversity mode is presented by a mapping area, wherein the plurality of performance chart look-up tables is parameterized by an indication of a ratio (P1/P2) of received powers from said diversity branches, first selecting (S13) one of said performance chart look-up tables dependent on determined ratio (P1/P2) of received powers from separate beams, and second selecting (S14) one of said individual diversity modes (A, B, C) according to the mapping to the determined actual time 303 relation (TC) and space correlation (SC) values from said first selected performance chart look-up table.
    • 本发明涉及一种用于选择要由具有两个表示分集分支的两个交叉极化天线阵列(Ant1,Ant2)的发射机应用的分集模式(A,B,C)的方法,包括以下步骤:提供 (S10)将各自的分集模式(A,B,C)映射到相应的一对时间相关值(TC)和空间的多个分集模式性能图表查找表(LUT,LUT1,LUT2,LUT3) 所述两个交叉极化天线阵列波束的相关值(SC),其中通过映射区域呈现相应的单独分集模式,其中所述多个性能图表查找表通过比率的指示(P1 / P2 )从所述分集分支接收的功率,首先根据来自单独波束的接收功率的确定比率(P1 / P2)选择(S13)所述演奏表查找表中的一个,以及第二选择(S14)所述单独分集 模式(A,B,C) 从所述第一选择的性能图表查找表到所确定的实际时间303关系(TC)和空间相关性(SC)值的映射。