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    • 1. 发明申请
    • ADAPTIVE MODULATION FOR COOPERATIVE CODED SYSTEMS
    • 协作编码系统的自适应调制
    • WO2007000742A2
    • 2007-01-04
    • PCT/IB2006/052141
    • 2006-06-27
    • KONINKLIJKE PHILIPS ELECTRONICS, N.V.LIN, ZinanGHOSH, MonishaERKIP, Elza
    • LIN, ZinanGHOSH, MonishaERKIP, Elza
    • H04L27/0008H04B7/15592H04L1/0003H04L1/18H04L2001/0097Y02D50/10
    • A system (1300), method, and apparatus (1900) are provided for a source to choose a partner / relay from at least one candidate(1302) (1303) to transmit at least part of a message from the source (1301) to destination (1304). The choice depends on the channel conditions of the source (1301) and when the source is experiencing poor channel quality to the destination, the source selects the candidate and the modulation modes of the source (1301) and partner / relay (1302) (1303) such that the frame error rate (FER) of the source(1301) is lowered. Otherwise, a modulation mode is selected for each of the source (1301) and the partner / relay (1302) (1303) that most improves the gain in throughput of the source (1301). The present invention applies to modes consisting of binary phase shift keying (BPSK), quadrature phase shift keying (QPSK), and 16 -state quadrature amplitude modulation (16- QAM).
    • 为来源提供系统(1300),方法和设备(1900)以从至少一个候选(1302)(1303)中选择伙伴/中继以发送至少一部分 从源(1301)到目的地(1304)的消息。 该选择取决于信源(1301)的信道状况,并且当信源正在经历到目的地的较差的信道质量时,该信源选择源(1301)和伙伴/中继(1302)(1303)的候选和调制模式 ),使得源(1301)的帧错误率(FER)降低。 否则,对源(1301)和伙伴/中继(1302)(1303)中的每一个选择调制模式,其最大程度提高源(1301)的吞吐量增益。 本发明适用于由二进制相移键控(BPSK),正交相移键控(QPSK)和16-状态正交幅度调制(16-QAM)组成的模式。