H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 1/20 (2006.01) H04L 1/00 (2006.01)
Patent
CA 2275643
Decoder circuitry, and an associated method, decodes an encoded signal received at a receiver. A determination is made of the levels of distortion introduced upon a signal during its transmission to a receiver upon a nonideal communication channel. If the communication channel introduces moderate amounts of distortion upon the signal, a complex decoding technique such as a standard trellis decoding technique is utilized to decode the signal. If the channel is determined to introduce only small levels of distortion upon the signal, a relatively simple, decoding technique is instead utilized.
Ce circuit décodeur et le procédé afférent permettent un décodage de signal codé reçu par un récepteur. Il est procédé à une détermination des niveaux de distorsion introduits sur un signal durant la transmission de celui-ci vers un récepteur via un canal de communication non-idéal. Si le canal de communication introduit des distorsions de niveau modéré sur le signal, une technique de décodage complexe, un décodage en treillis normalisé notamment, est utilisée pour décoder le signal. S'il s'avère que le canal n'introduit que des niveaux réduits de distorsion, il est fait appel à une technique de décodage relativement simple.
Ericsson Inc.
Marks & Clerk
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