High-data-rate supplemental channel for cdma...

H - Electricity – 04 – J

Patent

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Details

H04J 11/00 (2006.01) H04B 7/26 (2006.01) H04L 5/12 (2006.01) H04L 1/00 (2006.01)

Patent

CA 2277071

A novel and improved method for implementing a high-transmission-rate over-the- air interface is described. A transmit system provides an in-phase channel set (90) and a quadrature-phase channel set (92). The in-phase channel set (90) is used to provide a complete set of orthogonal medium rate control and traffic channels. The quadrature-phase channel (92) set is used to provide a high-rate supplemental channel and an extended set of medium rate channels that are orthogonal to each other and the original medium rate channels. The high-rate supplemental channel is generated over a set of medium rate channels using a short channel code. The medium rate channel are generated using a set of long channel codes.

L'invention concerne un procédé nouveau et amélioré de mise en oeuvre d'une interface radioélectrique à débit de transmission élevé. Un système de transmission fournit un ensemble (90) de canaux en phase et un ensemble (92) de canaux à phase en quadrature. L'ensemble (92) de canaux en phase est utilisé pour produire un ensemble complet de canaux orthogonaux de gestion de débit moyen et de trafic. L'ensemble (92) de canaux à phase en quadrature est utilisé pour fournir un canal supplémentaire à débit élevé ainsi qu'un ensemble étendu de canaux à débit moyen lesquels sont orthogonaux mutuellement et par rapport aux canaux à débit moyen d'origine. Le canal supplémentaire à débit élevé est généré sur un ensemble de canaux à débit moyen utilisant un code de canal court. Les canaux à débit moyen sont générés au moyen d'un ensemble de codes de canaux longs.

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