Multiplex communications – Data flow congestion prevention or control – Flow control of data transmission through a network
Reexamination Certificate
2007-12-11
2007-12-11
Feild, Joseph (Department: 2617)
Multiplex communications
Data flow congestion prevention or control
Flow control of data transmission through a network
C370S326000, C370S428000, C370S469000
Reexamination Certificate
active
10749874
ABSTRACT:
A “loose ACK” method by which a radio access network of a cellular network monitors wireless transmission of packets according to a layered protocol including a radio layer (near the physical layer) and an upper layer, the method including: a step (23) of slow release—in what is called normal buffer management—in which the upper layer removes from a buffer maintained by the upper layer the oldest packet in the buffer when the buffer is full and a new packet arrives, and does so independently of whether the packet being removed has been acknowledged by the radio layer of the terminal; and a step (24) of local acknowledgement in which the radio layer sends an acknowledgement to the upper layer on the occurrence of a predetermined event. The local acknowledgement can trigger either special mode buffer management or release of the buffer to a target (entity or layer).
REFERENCES:
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3GPP TS 25.322 V5.6.0 (Sep. 2003), Technical Specification, 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Radio Link Control (RLC) protocol specification (Release 5), 20 pgs., (as published on the Internet), Sep. 2003.
Le Khiem
Purnadi Rene
Sreemanthula Srinivas
Zheng Haihong
Feild Joseph
Mehra Inder Pal
Nokia Corporation
Ware Fressola Van Der Sluys & Adolphson LLP
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