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Method for accessing hybrid network, and gateway apparatus, wireless terminal and communication system thereof

  • US 8,553,665 B2
  • Filed: 03/12/2012
  • Issued: 10/08/2013
  • Est. Priority Date: 10/19/2005
  • Status: Active Grant
First Claim
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1. A method for establishing a wireless connection at a gateway apparatus which communicates with a base station in a wireless Wide Area Network (WAN), the method comprising steps of:

  • sensing a downlink common control channel of the WAN to determine whether the downlink common control channel has a relay request slot;

    receiving a relay request message requesting to relay a data packet, in the relay request slot on the downlink common control channel, in case that the downlink common control channel has the relay request slot;

    establishing a wireless connection with a wireless terminal in a wireless distributed network in response to the relay request message, wherein establishing a wireless connection with the wireless terminal comprisestransmitting a reply message to the wireless terminal after receiving the relay request message,receiving a selection message transmitted by the wireless terminal, the selection message contains an address of the gateway apparatus through which a relay operation is to be made, andin response to the selection message, transmitting to the wireless terminal a permit message to permit the wireless terminal transmitting the data packet to be relayed; and

    transmitting the reply message to the wireless terminal in the wireless distributed network after detecting that a power level on the relay request slot is larger than a noise power.

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