Modified chase combining for hybrid automatic repeat request

Details Modified chase combining for hybrid automatic repeat request Modified chase combining for hybrid automatic repeat request

2005-06-22

2008-08-05

Chase, Shelly A (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

07409630

ABSTRACT:
Error correction techniques based on a modified chase combining (MCC) in data retransmission in communication systems such as wired and wireless communication systems. The described MCC may be implemented in wireless communication systems that use hybrid automatic repeat request (H-ARQ) in data transmission. In wireless systems, the mobile communications devices and base stations may be designed with the present MCC.

REFERENCES:
patent: 6704898 (2004-03-01), Furuskar et al.
“Chase H-ARQ support for all FEC schemes,” IEEE C802.16e-04/136 (Jun. 25, 2004), http://ieee802.org/16/tge/contrib/C80216e-04—136.pdf (accessed on Sep. 17, 2007), 18 pages.
“Part 16: Air Interface for Fixed and Mobile Broadband Wireless Access Systems—Amendment for Physical and Medium Access Control Layers For Combined Fixed and Mobile Operation in Licensed Bands”, IEEE P802.16e/D3, pp. 1-161 (May 31, 2004).
“Part 16: Air Interface for Fixed Broadband Wireless Access Systems”, IEEE P802.16-REVd/D5, pp. 1-915 (May 13, 2004).
“Part 16: Air Interface for Fixed Broadband Wireless Access Systems”, IEEE Std 802.16-2004, pp. 1-895 (Oct. 1, 2004).
Cho et al., “New FEC structure suitable for CTC and mobile Cellular Operation of 802.16 OFDMA”, IEEE C802.16d-04/23, pp. 1-25 (Mar. 11, 2004), http://www.ieee802.org/16/tgd/contrib/C80216d-04—23.pdf (accessed on Sep. 17, 2007).

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