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    • 9. 发明公开
    • BIT ERROR RATE ESTIMATION
    • 位错误率估计
    • EP1310058A2
    • 2003-05-14
    • EP01962732.2
    • 2001-06-12
    • Telefonaktiebolaget L M Ericsson (Publ)
    • NILSSON, Johan
    • H04L1/20
    • H04L1/0045H04L1/203
    • A bit error rate estimation is generated for a received signal. This involves using an error correction decoding technique to generate a block of decoded bits from the received signal, and using an error detection technique to determine whether at least one of the decoded bits from the block of decoded bits has an erroneous value. If none of the decoded bits from the block of decoded bits has an erroneous value, then the bit error rate estimate is calculated from the received signal. Otherwise, the bit error rate estimate is set equal to a value that is based on a previously calculated bit error rate. This may be further refined by using a predetermined value in place of a value based on the previously calculated bit error rate if it is detected that a number of consecutively received blocks were received with non-correctable errors.
    • 针对接收到的信号生成误码率估计。 这涉及使用纠错解码技术来从接收信号生成解码比特块,并且使用错误检测技术来确定来自解码比特块的至少一个解码比特是否具有错误值。 如果来自解码比特块的解码比特中没有一个具有错误值,则从接收到的信号计算比特差错率估计。 否则,将误码率估计值设置为等于基于先前计算的误码率的值。 如果检测到多个连续接收的块被接收到具有不可校正的错误,则可以通过使用预定值代替基于先前计算的误比特率的值来进一步细化。