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    • 139. 发明授权
    • System and method for transmitting data on a reverse link channel
    • 用于在反向链路信道上发送数据的系统和方法
    • US06996415B2
    • 2006-02-07
    • US10124243
    • 2002-04-18
    • Young Jo LeeJong Hoe AnSuk Hyon Yoon
    • Young Jo LeeJong Hoe AnSuk Hyon Yoon
    • H04B7/00
    • H04W52/267H04L1/0009H04L1/0025H04W24/00H04W28/22H04W52/10H04W52/14H04W52/50
    • For effective use of wireless channels and allowing high-speed data transfers on the reverse link in a mobile communications system, the modulation mode and/or the coding rate can be adaptively adjusted according to changes in the wireless channel conditions. To estimate the channel conditions, the mobile station transmits an access signal via an access channel to the base station. The base station determines a first data transmission rate based upon the signal power level of the access signal and an actual signal power level detected from the access channel, and also determines a second data transmission rate based upon a signal load detected at the base station. The base station selects the appropriate data transmission rate, and applies an adjusted modulation mode and/or channel coding.
    • 为了有效利用无线信道并允许移动通信系统中的反向链路上的高速数据传输,可以根据无线信道条件的变化自适应地调整调制方式和/或编码率。 为了估计信道条件,移动台通过接入信道向基站发送接入信号。 基站基于接入信号的信号功率电平和从接入信道检测到的实际信号功率电平来确定第一数据传输速率,并且还基于在基站检测到的信号负载来确定第二数据传输速率。 基站选择适当的数据传输速率,并应用调整后的调制方式和/或信道编码。