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    • 51. 发明授权
    • Radio communication base station apparatus and pilot transmitting method
    • 无线电通信基站装置和导频发送方法
    • US08654696B2
    • 2014-02-18
    • US12089391
    • 2006-10-06
    • Masaru FukuokaAkihiko NishioNoriaki Minamida
    • Masaru FukuokaAkihiko NishioNoriaki Minamida
    • H04W88/08
    • H04L27/2613H04L5/0007H04L5/0048H04L25/0232
    • A base station realizing enhancement of the interpolation accuracy of the channel estimate between sub-frames. In a base station (100), a scrambling section (105) carries out scrambling such that a predetermined pilot signal sequence is multiplied by a scrambling sequence containing both a sequence unique to the base station (100) and different with cells and a sequence common to base stations for each chip and generates a pilot sequence containing both a pilot for unicast sub-frame and a pilot for multicast sub-frame, a multiplexing section (106) for time-multiplexing the pilot sequence, the unicast data symbol, and a multicast data symbol for each sub-frame, and an S/P section (107) converts the pilot sequences, the unicast data symbols, and the multicast data symbols sequential serially inputted from the multiplexing section (106) the numbers of which are equal to the number of subcarries included in one OFDM symbol into parallel ones and outputs them to an IFFT section (108).
    • 基站实现子帧之间的信道估计的插值精度的提高。 在基站(100)中,加扰部(105)进行加扰,使得预定的导频信号序列乘以包含基站(100)唯一的序列并且与小区唯一的序列和序列共用的加扰序列 到每个芯片的基站,并且生成包含用于单播子帧的导频和多播子帧的导频的导频序列,用于对导频序列进行时分多路复用的复用部分(106),单播数据符号和 组播数据符号,S / P部分(107)将从多路复用部分(106)串行输入的导频序列,单播数据符号和多播数据符号转换为数目等于 将包括在一个OFDM符号中的子载波的数目分成并行的,并将其输出到IFFT部分(108)。