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    • 10. 发明授权
    • Apparatus and method for interference-adaptive communications
    • 用于干扰自适应通信的装置和方法
    • US08355666B2
    • 2013-01-15
    • US12208280
    • 2008-09-10
    • Amol RajkotiaYuheng HuangOzgur Dural
    • Amol RajkotiaYuheng HuangOzgur Dural
    • H04W4/00H04B7/216H04B1/38H04B1/00H04K3/00
    • H04K3/224H04L1/0071H04L5/0007H04L5/0044H04L5/006
    • In embodiments, an adaptive tone erasure technique is applied to orthogonal frequency division multiplexing (OFDM) communications, such as ECMA-368 standard ultra-wideband (UWB) communications. A transmitter obtains jammed sub-carrier information and calculates an erasure mask. The jammed sub-carriers are nulled before transmitting to a receiver. In accordance with the erasure mask, bits falling on the jammed sub-carriers are replaced by erasure bits before interleaving, keeping the interleaver block size constant notwithstanding variations in the number of the jammed sub-carriers. The receiver also obtains the jammed sub-carrier information and the erasure mask. After the receiver deinterleaves the constant size blocks, it decodes the data without the erasure bits. The transmitter may detect the jammed sub-carriers itself, or obtain the information from the receiver. The receiver similarly may detect the jammed sub-carriers itself, or obtain the information from the transmitter.
    • 在实施例中,自适应音调删除技术被应用于诸如ECMA-368标准超宽带(UWB)通信的正交频分复用(OFDM)通信。 发射机获得卡塞的子载波信息并计算擦除掩码。 被干扰的子载波在发送到接收机之前被置零。 根据擦除掩码,在被插入的子载波之前的比特被替换为交错之前的擦除比特,保持交织器块大小恒定,尽管拥塞的副载波的数量有变化。 接收机还获得被卡住的副载波信息和擦除掩码。 在接收机对该恒定大小的块进行解交织之后,它对没有擦除位的数据进行解码。 发射机本身可以检测被干扰的子载波,或从接收机获得信息。 接收机类似地可以检测被干扰的子载波本身,或从发射机获得信息。