H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/16 (2006.01) H04N 7/10 (2006.01) H04N 7/173 (2006.01) H04H 1/02 (2006.01)
Patent
CA 2246792
The present invention relates to a method and an apparatus for transmitting and receiving information in a cable TV network comprising at least one base station connected to a branching cable network, branching from the base station to at least two subscribers, provided with transmitters. A unique carrier frequency is assigned to each of the subscriber's transmitters, said carrier frequencies being orthogonal and signals from the subscriber's transmitters are transmitted simultaneously, received in the base station as a broadband signal and separated using a common algorithm.
Procédé et appareil d'émission et de réception d'informations sur un réseau câblé de télévision comprenant au minimum une station base reliée à un réseau de connexions câblé, se divisant à partir de la station de base en direction d'au moins deux abonnés, comprenant des émetteurs. Une fréquence porteuse unique est assignée à chacun des émetteurs des abonnés, lesdites fréquences porteuses étant orthogonales et les signaux émis par les émetteurs des abonnés étant transmis simultanément, reçus à la station de base sous la forme d'un signal en large bande puis séparés à l'aide d'un algorithme commun.
Hyll Mattias
Johansson Albin
Marks & Clerk
Telefonaktiebolaget Lm Ericsson
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