Failure redundancy between modem interface cards and outdoor units in a wireless communication system

  • US 20020111161A1
  • Filed: 02/15/2001
  • Published: 08/15/2002
  • Est. Priority Date: 02/15/2001
  • Status: Active Grant
First Claim
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1. A wireless communication system comprising both primary components and standby components in a base station, comprising:

  • a plurality of primary modem interface for modulating/demodulating data transmitted between said base station and a customer;

    a plurality of primary outdoor units, wherein each of said primary outdoor units is in data communication with one of said plurality of primary modem interface, wherein each of said primary outdoor units comprises a transceiver for transmitting and receiving data from said customer;

    a standby modem interface for modulating/demodulating data transmitted between said base station and said customer;

    a plurality of standby outdoor units each comprising a second transceiver for transmitting and receiving data from said customer, wherein said plurality of standby outdoor units is in data communication with said standby modem interface, and wherein each of said plurality of standby outdoor units is configured to replace one of said plurality of primary outdoor units;

    a redundancy card comprising a selectable switch, wherein said selectable switch is in communication with said standby modem interface and said plurality of standby outdoor units to allow data communication between said standby modem interface and one of said plurality of standby outdoor units; and

    whereby data communication is maintained between said customer and said base station when one of said plurality of primary modem interfaces or one of said plurality of primary outdoor units is unavailable.

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