Pilots positioning for multicast transmission in ofdm

Details Pilots positioning for multicast transmission in ofdm Pilots positioning for multicast transmission in ofdm

H - Electricity

04

L

H04L 27/26 (2006.01) H04L 5/02 (2006.01) H04L 5/22 (2006.01)

Patent

CA 2600557

Systems and methods are provided for the transmission of waveforms to aid channel estimation, timing synchronization, and AGC bootstrapping in a wireless network. The method includes inserting at least one TDM pilot symbol located at a transition between wide area and local area waveforms to facilitate decoding of the transmission block.

L'invention concerne des systèmes et des procédés destinés à la transmission de signaux, facilitant la réalisation d'opérations d'estimation de voie, de synchronisation de données d'horloge et d'amorçage de commande automatique de gain dans un réseau sans fil. Ce procédé consiste à introduire au moins un symbole pilote à multiplexage par répartition dans le temps au niveau d'une transition entre des signaux de zone étendue et de zone locale pour faciliter le décodage du bloc de transmission.

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