Block ack protocols for wireless packet network

Details Block ack protocols for wireless packet network Block ack protocols for wireless packet network

2006-03-07

2009-12-08

Lamarre, Guy J (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S776000, C370S278000, C370S282000

Reexamination Certificate

active

07631240

ABSTRACT:
Circuits, methods, and apparatus that reduce overhead and channel bandwidth required for data reception acknowledgment. One such system uses an enhanced block acknowledgment that acknowledges frames received for different data streams. Another system sends an acknowledgment after the occurrence of a triggering event, such as the end of a duration, the reception of a number of frames, or the reception of a frame having a specific sequence number. Another removes the need for acknowledgment frames by including an acknowledgment field in a transmitted data frame. These block acknowledgments and acknowledgment fields may include an acknowledgement of frames received for each data stream having different traffic identifications, they may be for all received frames or for a specific class or groups of classes of traffic, for specific user priorities, or for other subgroups of received frames, and more that one acknowledgment may be included.

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International Search Report dated Aug. 31, 2007 for PCT Application Serial No. PCT/US06/08191, 2 Pages.
Written Opinion - PCT/US06/008191, International Searching Authority - US, Alexandria, Va 08-31-07.

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