Method and apparatus for transmission and reception within...

H - Electricity – 04 – B

Patent

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H04B 7/208 (2006.01) H04J 11/00 (2006.01) H04B 1/69 (2006.01)

Patent

CA 2542257

A communication system (fig. 4) comprising a first multicarrier transmitter (401/506) outputting a first spread pilot signal (504) over a first spreading block interval on a first plurality of subcarrier (fig. 5). A second multicarrier transmitter (401/506) outputting a second spread pilot signal (504) on the first plurality of subcarriers within the spreading block interval, wherein for each of the plurality of subcarriers, the second spread pilot signal differs form the first pilot signal by a predetermined amount.

Selon l'invention, un système de communication (voir figure) comprend un premier émetteur multiporteuse (401/506) émettant un premier signal pilote étalé (504) dans un premier intervalle de bloc d'étalement sur une première pluralité de sous-porteuses (voir figure). Le système de communication comprend également un deuxième émetteur multiporteuse (401/506) émettant un deuxième signal pilote étalé (504) sur la première pluralité de sous-porteuses dans l'intervalle de bloc d'étalement, selon lequel pour chaque sous-porteuse de la pluralité de sous-porteuses, le deuxième signal pilote étalé diffère du premier signal pilote d'une quantité prédéterminée.

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