High-efficiency preambles for communications systems over...

Details High-efficiency preambles for communications systems over... High-efficiency preambles for communications systems over...

H - Electricity

04

L

H04L 27/18 (2006.01) H04B 3/00 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2736268

A method includes appending a preamble to a data packet and transmitting the preamble and data packet over a communication channel in the network. The preamble may be a Beacon, Admission, Broadcast, or High-Throughput Preamble. The Beacon Preamble includes the following symbols SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, LS1, LS1, LS1, LS1, LS1, LS1, LS1, LS1, CP0, CE Beacon, CE Beacon. The Admission Preamble includes the following symbols SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, LS1, LS1, LS1, LS1, LS1, LS1, LS1, LS1, CP0, CE, CE. The Broadcast Preamble includes the following symbols LS1, LS1, LS1, LS1, CP0, CE, CE. The high-throughput preamble includes the following symbols CP0, CE. The SS symbol in-cludes 64 bits, the LS1, LS2, and CP0 symbols include 192 bits, the CE symbol includes 512 bits, and the CEBeacon symbol is a subset of CE.

L'invention porte sur un procédé qui comprend l'ajout d'un préambule à un paquet de données et la transmission du préambule et du paquet de données sur un canal de communication dans le réseau. Le préambule peut être un préambule de balise, d'admission, de diffusion ou haut débit. Le préambule de balise comprend les symboles suivants SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, LS1, LS1, LS1, LS1, LS1, LS1, LS1, LS1, CP0, CEBeacon, CEBeacon. Le préambule d'admission comprend les symboles suivants SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, LS1, LS1, LS1, LS1, LS1, LS1, LS1, LS1, CP0, CE, CE. Le préambule de diffusion comprend les symboles suivants LS1, LS1, LS1, LS1, CP0, CE, CE. Le préambule haut débit comprend les symboles suivants CP0, CE. Le symbole SS comprend 64 bits, les symboles LS1, LS2, et CP0 comprennent 192 bits, le symbole CE comprend 512 bits, et le symbole CEBeacon est un sous-ensemble de CE.

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