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Method and system for multicasting messages to select mobile recipients

  • US 7,075,904 B1
  • Filed: 11/16/2001
  • Issued: 07/11/2006
  • Est. Priority Date: 11/16/2001
  • Status: Expired due to Term
First Claim
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1. A method comprising:

  • conveying a multicast-join message respectively from each of a plurality of mobile stations, via a base transceiver station (BTS) and base station controller (BSC) serving the mobile station, to a network entity;

    for each respective multicast-join message being conveyed via a given BTS or BSC, the given BTS or BSC adding to the multicast-join message an indication of which cell sector is currently serving the mobile station, so that the network entity receives the cell sector indication when the first entity receives the multicast-join message; and

    using the cell-sector indications added into the multicast-join messages as a basis to route multicast messages from the network entity to the mobile stations.

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