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    • 2. 发明申请
    • COMBINED DETECTION OF TRANSMISSION PARAMETERS AND SPREADING FACTOR IN CDMA COMMUNICATION SYSTEM
    • CDMA通信系统中传输参数和扩频因子的组合检测
    • WO2006134230A1
    • 2006-12-21
    • PCT/FI2006/050255
    • 2006-06-13
    • NOKIA CORPORATIONKINNUNEN, PasiHORNEMAN, Kari
    • KINNUNEN, PasiHORNEMAN, Kari
    • H04B7/216H04B1/69
    • H04B1/70751H04B1/70752H04B2201/70705
    • A solution for determining in a radio receiver a data sequence indicating transmission parameters and a spreading factor applied to a frame before receiving the whole frame in the radio receiver. According to the provided solution, the transmission parameters and the spreading factor are determined from received data of a partially received data sequence indicating the transmission parameters of the frame. The received portion of the data is despread with known possible spreading factors and the despread data is compared with corresponding data of known possible transmitted data sequences. Spreading factor-data sequence combination resulting in the best match with the received data is then determined to be the most probably transmitted data sequence. The results of comparison with respect to the spreading factor may be combined with another spreading factor determination procedure for more reliable detection of the correct spreading factor.
    • 一种用于在无线电接收机中在接收整个帧之前在无线电接收机中确定指示传输参数和应用于帧的扩展因子的数据序列的解决方案。 根据所提供的解决方案,从表示帧的传输参数的部分接收的数据序列的接收数据确定传输参数和扩展因子。 数据的接收部分用已知的可能扩频因子进行解扩,并将解扩数据与已知可能发送的数据序列的相应数据进行比较。 然后将导致与接收数据最佳匹配的扩频因子数据序列组合确定为最可能传输的数据序列。 可以将与扩展因子进行比较的结果与另一种扩展因子确定程序相结合,以更正确的扩展因子的检测。
    • 6. 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。