Digital communication systems having decreased memory

Details Digital communication systems having decreased memory Digital communication systems having decreased memory

2008-05-20

2008-05-20

Ha, Dac V. (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S265000, C375S341000, C375S348000, C714S774000, C714S780000, C714S794000

Reexamination Certificate

active

10763755

ABSTRACT:
Methods and apparatus that do not require a memory between the combiner and decision boundary estimator in a digital communications receiver and that enjoy unaltered performance are described. The methods and apparatus include new ways of estimating bit decision boundaries and may also include new ways of estimating soft bit values.

REFERENCES:
patent: 5305349 (1994-04-01), Dent
patent: 6363104 (2002-03-01), Bottomley
patent: 6714585 (2004-03-01), Wang et al.
patent: 6789225 (2004-09-01), Dorney et al.
patent: 6907084 (2005-06-01), Jeong
patent: 7076000 (2006-07-01), Rodriguez
patent: 7197090 (2007-03-01), Berger et al.
patent: 2001/0028677 (2001-10-01), Wang et al.
patent: 2004/0233976 (2004-11-01), Han et al.
patent: 2004/0258173 (2004-12-01), Wang
patent: 2004/0264591 (2004-12-01), Malm et al.
patent: 1 124 346 (2001-08-01), None
patent: 1 207 714 (2002-05-01), None
patent: 1 343 285 (2003-09-01), None
patent: WO 01/01594 (2001-01-01), None
PCT International Search Report, dated Apr. 6, 2005, in connection with International Application No. PCT/EP2005/000431.
PCT Written Opinion, dated Apr. 6, 2005, in connection with International Application No. PCT/EP2005/000431.
PCT Second Written Opinion, dated Feb. 8, 2006, in connection with International Application No. PCT/EP2005/000431.
Turin, G., “Introduction to Spread-Spectrum Antimultipath Techniques and Their Application to Urban Digital Radio”,Proc. IEEE, vol. 68, pp. 328-353 (Mar. 1980).
European Search Report dated Aug. 23, 2004 in connection with U.S. Appl. No. 10/763,755.
“Comparison on RLC HARQ and fast HARQ complexity”, TSG-RAN Working Group 1 meeting #15, Berlin, Germany, Aug. 22-25, 2000; TSGR1(00)1083:1-4.
“Digital Baseband Architecture Scenarios for a Multi-Mode Radio”, information society technologies, Project MuMoR, IST-2001-34561: 1-63
Falahati, Sorour et al., “Hybrid type-II ARQ/AMS and Scheduling using Channel Prediction for Downlink Packet Transmission on Fading Channels”.
Kolding, Troels E. et al., Performance Aspects of WCDMA Systems with High Speed Downlink Packet Access (HSDPA), Nokia Networks, Aalborg R&D, Denmark.
“Multiplexing and channel coding (FDD), Release 5”, 3GPP TS 25.212, V 5.6.0, (Sep. 2003).
Tantikovit, Sukvasant et al., “A New RAKE Receiver Structure for the Forward-Link of W-CDMA Systems”, IEICE Trans. Commun., vol. E85-B, No. 6: 1218-1222, Jun. 2002.
Vivier, Guillaume, “Simulations of HARQ for Turbo-coded services in UMTS-TDD”, Motorola Labs -Centre de Recherche de Motorola-Paris.
Wehinger, Joachim, “Performance Analysis of Iterative CDMA Receivers with Channel Estimation in Flat Fading Channels”, Mobile Communications Group, Vienna Telecomm. Research Center (ftw.), Austria.

Affiliated with

Also associated with

Rating

Digital communication systems having decreased memory does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Digital communication systems having decreased memory, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital communication systems having decreased memory will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3916328