| 摘要 |
A method of transmitting signals along a communication path, by a first compression/decompression unit, which method comprises receiving first signals from a first direction along the path, determining based on the received first signals whether a second decompression unit is located along the path in the first direction, receiving second signals from a second direction. In the case it is determined that a second decompression unit is located along the path in the first direction, selecting a compressed or decompressed format for transmission of the second signals responsive to at least one additional parameter, such that the determination that a second decompression unit is located along the path in the first direction does not always bring about selecting the compressed format. Then, the second signals are transmitted in the selected format.
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