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Signaling channel firewall for communications between wireless networks

  • US 6,097,948 A
  • Filed: 01/29/1998
  • Issued: 08/01/2000
  • Est. Priority Date: 01/29/1998
  • Status: Expired due to Term
First Claim
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1. An isolation structure for interfacing between a microcellular network and a signaling channel of a macrocellular network that is larger than the microcellular network, comprising:

  • an input that receives communication signals from the microcellular network;

    an output that provides signaling on the signaling channel in response to the communication signals; and

    an apparatus, coupled between said input and said output, and implementing a communications protocol stack that translates some of said communication signals into said signaling on the signaling channel but selectively, and independently of conditions in the macrocellular network, denies translation of some of said communication signals into said signaling on the signaling channel, said communications protocol stack operable to translate further signaling received from the signaling channel into further communication signals for use in the microcellular network.

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