H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 13/00 (2006.01) H04B 1/707 (2006.01) H04J 14/00 (2006.01)
Patent
CA 2314933
Spread spectrum communication techniques and applications using signature sequences are described to reduce the effects of certain transmission impairments such as co-channel interference, multiple access interference and intersymbol interference. Signature sequences with structured properties are obtained by generating cosets from a seed set of sequences, constructing a subset of sequences by concatenating the sequences of a coset and constructing a full set of sequences by concatenating the subsets of sequences.
Techniques et applications de télécommunications à spectre dispersé utilisant des séquences de signatures afin de limiter les effets de certaines défectuosités de transmission, telles que des interférences entre voies, des interférences d'accès multiples ou un brouillage entre symboles. On obtient ces séquences de signatures présentant des propriétés structurées par génération d'ensembles secondaires à partir d'un ensemble germe de séquences, par construction d'un sous-ensemble de séquences au moyen de la concaténation des séquences d'un ensemble secondaire et par construction d'un ensemble entier de séquences au moyen de la concaténation des sous-ensembles de séquences.
Hill & Schumacher
Supergold Communication Limited
LandOfFree
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