Method and arrangement for TCP flow control

Details Method and arrangement for TCP flow control Method and arrangement for TCP flow control

2004-06-25

2009-10-13

Pham, Chi H. (Department: 2416)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C370S252000, C370S519000

Reexamination Certificate

active

07602719

ABSTRACT:
An apparatus, method, and computer-readable medium encoded with executable instructions for Transmission Control Protocol (TCP) flow control in a communication system are provided. According to embodiments of the invention. TCP flow control includes determining delay in a transmit buffer of the system; and modifying TCP window size based on the determined delay and a target transmit buffer delay. An indication of a modified TCP window size is sent to a TCP server of the system in an acknowledge packet. Embodiments of the invention are particularly suitable for TCP flow control in wireless communication systems (e.g., UTRA) systems, and has the advantage that RTT (i.e., the latency of the system) can be substantially guaranteed, irrespective of the throughput that a user is allocated.

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