H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 1/20 (2006.01) H04B 7/26 (2006.01) H04L 1/24 (2006.01) H04Q 7/34 (2006.01)
Patent
CA 2235231
System and software method of operation of a radio data base station (RDBS). Two RDBS (12 and 14) individually transmits and receives signals on a common frequency. A wireless terminal (10) transmits a packet having at least a station identifier signal (56) identifying a RDBS. The packet is received at both RDBSs (12 and 14). Both RDBSs detect a beginning portion of the packet, set a busy bit and transmit a busy signal. Both RDBSs (12 and 14) determine whether the beginning portion has a signal strength greater than a threshold. If the beginning portion is less than the threshold, the RDBS clears the busy signal. If the beginning portion is greater than the threshold, the RDBS decodes the station identifier signal (56). If the station identifier signal (56) does not identify the RDBS, the RDBS clears the busy signal previously set. If the station identifier signal (56) identifies the RDBS, the RDBS continues to transmit the busy signal until the entire packet is received.
Système et méthode logicielle d'exploitation d'une station radio de base de transmission de données (RDBS). Deux RDBS (12 et 14) émettent et reçoivent chacune des signaux sur une fréquence commune. Un terminal sans fil (10) transmet un paquet ayant au moins un signal identificateur de station (56) identifiant une RDBS. Le paquet est reçu aux deux RDBS (12 et 14). Celles-ci détectent une partie de début du paquet, mettent un bit d'activité à un et émettent un signal d'activité. Les deux RDBS (12 et 14) déterminent si l'intensité de signal de la partie de début est supérieure ou inférieure à un seuil. Si elle est inférieure, la RDBS remet à zéro le signal d'activité. Si elle est supérieure, la RDBS décode le signal identificateur de la station (56). Si le signal identificateur de la station (56) n'identifie pas la RDBS, celle-ci remet à zéro le signal d'activité. S'il (56) identifie la RDBS, celle-ci continue de transmettre le signal d'activité jusqu'à ce que le paquet entier soit reçu.
Ashworth Carl V.
Lockhart Thomas Wayne
Reardon Karl A.
Gowling Lafleur Henderson Llp
Motorola Inc.
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