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    • 2. 发明专利
    • Multicarrier receiver with antenna selection and maximum ratio combining
    • 天线选择和最大比例组合的多功能接收机
    • JP2009201122A
    • 2009-09-03
    • JP2009100175
    • 2009-04-16
    • Intel Corpインテル・コーポレーション
    • SADRI ALIMALTSEV ALEXANDERSERGEYEV SERGEYDAVYDOV ALEXEISERGEYEV VADIM
    • H04B7/08H04J11/00H04L27/26
    • H04W28/04H04B7/0857H04B7/0874H04L5/0023H04L27/2608H04L27/2647H04W24/00
    • PROBLEM TO BE SOLVED: To provide transceivers, including receivers, and methods of communicating OFDM signals that provide flexibility between throughput and range in wireless local area networks (WLANs).
      SOLUTION: Modern digital communication system, including WLANs, uses symbol-modulated orthogonal subcarriers as a modulation system to help signals survive in environments having multi-path reflections and/or strong interference. A reconfigurable multichannel receiver can selectively operate in increased throughput modes and/or increased range modes. The receiver can select two or more antennas to receive more than one subchannel of a wideband orthogonal frequency division multiplexed (OFDM) channel. Maximum-ratio combining can be performed on corresponding symbol-modulated subcarriers from the two or more antennas, and a single OFDM symbol can be generated from the subchannels received by the two or more antennas. In other embodiments, more than one subchannel of a wideband OFDM channel can be received through a single antenna selected from a plurality of spatially diverse antennas.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供收发器,包括接收机,以及在无线局域网(WLAN)中提供吞吐量和范围之间的灵活性的OFDM信号的通信方法。 解决方案:包括WLAN在内的现代数字通信系统使用符号调制的正交子载波作为调制系统,以帮助信号在具有多径反射和/或强干扰的环境中存活。 可重新配置的多通道接收器可以选择性地以增加的吞吐量模式和/或增加的范围模式操作。 接收机可以选择两个或多个天线来接收宽带正交频分复用(OFDM)信道的多于一个子信道。 可以对来自两个或更多个天线的相应的符号调制子载波执行最大比合并,并且可以从由两个或更多个天线接收的子信道生成单个OFDM符号。 在其他实施例中,宽带OFDM信道的多于一个子信道可以通过从多个空间多样的天线中选择的单个天线来接收。 版权所有(C)2009,JPO&INPIT