Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Reexamination Certificate
2007-10-23
2011-11-01
Ton, David (Department: 2117)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
C709S232000
Reexamination Certificate
active
08051353
ABSTRACT:
A method is described for providing Hybrid Automatic Repeat Request (HARQ) transmission feedback to a higher layer protocol in a communication system. The method includes a step of detecting HARQ retransmissions in a first layer protocol. This can be used to determine a HARQ failure or an HARQ ACK after a delay of some retransmissions. A next step includes providing feedback information about the detecting step from the first layer protocol to a higher layer protocol. A next step includes instituting corrections at the higher layer protocol, in response to the information transferred from the first layer protocol. These corrections can include immediate retransmission of those bursts of a HARQ failure, or correcting timers to match the delay of eventually ACK'ed data.
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IEEE Standard for Local and metropolitan area networks, Part 16: Air Interface for Fixed and Mobile Broadband Wireless Access Systems, Amendment 2: Physical and Medium Access Control Layers for Combined Fixed and Mobile Operation in Licensed Bands and Corrigendum 1, Sections 6.3.2.2.7.2, 6.3.2.3.54, 6.3.4.6.2, 6.3.4.6.3, 6.3.17.1, and 6.3.22.1.2, Date: 2006.
Adatrao Ravi M.
Karnam Pramod
Maas David R.
Marsan Mark J.
Motorola Mobility, Inc.
Ton David
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