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Dynamic bandwidth allocation and service differentiation for broadband passive optical networks

  • US 20060268704A1
  • Filed: 04/17/2006
  • Published: 11/30/2006
  • Est. Priority Date: 04/15/2005
  • Status: Active Grant
First Claim
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1. In a communication network including a terminal which serves a plurality of downstream network units and receives upstream communications from the network units in respective time slots on a time division basis, the terminal apportioning upstream bandwidth among network units by granting a terminal-determined variable duration to the respective timeslots of network units in response to a request from a network unit, a network unit storing local information received thereby and destined for the terminal, a method for allocating a timeslot to a network unit, a method for providing network bandwidth allocation to the network terminals comprising causing the unit'"'"'s requested duration to include the transmission time of stored local data awaiting transmission from the network unit to the terminal as well as a waiting time which is an estimate of the time required to transmit from the unit to the terminal that data which is expected to be received in the interval between the request and the initiation of transmission from the unit to the terminal after receiving the grant.

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