Methods and systems for transmission of multiple modulated signals over wireless networks

  • US 9,420,573 B2
  • Filed: 10/24/2014
  • Issued: 08/16/2016
  • Est. Priority Date: 05/21/1999
  • Status: Expired due to Fees
First Claim
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1. A method of operating a base station to allocate transmission resources to a plurality of wireless cellular mobile units in a bandwidth on demand communication system, the method comprising:

  • receiving an explicit message from a wireless cellular mobile unit informing the base station that the wireless cellular mobile unit has data awaiting transmission;

    subsequent to receiving the explicit message, providing to the wireless cellular mobile unit a transmission opportunity for the wireless cellular mobile unit to inform the base station of an indication of an amount of data awaiting transmission to the base station;

    receiving the indication of an amount of data awaiting transmission to the base station subsequent to providing the transmission opportunity, the data awaiting transmission to the base station associated with a logical data queue of one or more logical data queues at the wireless cellular mobile unit;

    providing to the wireless cellular mobile unit an uplink transmission grant for use by the wireless cellular mobile unit, the wireless cellular mobile unit determining how to allocate the uplink transmission grant to one or more applications with data awaiting transmission to the base station; and

    receiving uplink data from the wireless cellular mobile unit according to the uplink transmission grant, the uplink data pertaining to the one or more applications.

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