Data packet transmission system and method using uplink and downlink

Data packet transmission system and method using uplink and downlink

  • CN 1,758,618 B
  • Filed: 10/23/2000
  • Issued: 12/05/2012
  • Est. Priority Date: 10/22/1999
  • Status: Active Grant
First Claim
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1. wireless communication system comprises:

  • Be positioned at first transceiver at base station unit place and be positioned at second transceiver away from the customer location place of base station unit;

    Wherein said first and second transceivers communicate by allowing radio frequency airlink between said first and second transceivers, that utilize Orthodoxy Frequency Division Multiplex up-link transmission modulation, from the customer location to the base station unit and the downlink from the base station unit to the customer location to send;

    And wherein said downlink sends to use has the frame format of media access control (MAC) frame title;

    Said up-link is sent and is comprised by up-link uplink message grouping that send and that be regardless of framingWherein the receiver uplink channel state field that can be based on down link and provide in sending confirms whether uplink time slot is used.

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