IN2012DN00232A - - Google Patents

Info

Publication number
IN2012DN00232A
IN2012DN00232A IN232DEN2012A IN2012DN00232A IN 2012DN00232 A IN2012DN00232 A IN 2012DN00232A IN 232DEN2012 A IN232DEN2012 A IN 232DEN2012A IN 2012DN00232 A IN2012DN00232 A IN 2012DN00232A
Authority
IN
India
Prior art keywords
signal
contribution
noise
isolate
central
Prior art date
Application number
Inventor
Rodolfo Verzegnassi
Jianliang Shi
Original Assignee
St Ericsson Sa
St Ericsson France Sas
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by St Ericsson Sa, St Ericsson France Sas filed Critical St Ericsson Sa
Publication of IN2012DN00232A publication Critical patent/IN2012DN00232A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Dc Digital Transmission (AREA)

Abstract

Detection process of a communication channel based on a ternary alphabet, said channel transmitting a signal transporting the same transmitted symbol for N sequential slots within one Time Transmission Interval), involving the steps of: - subtracting (21) the received signal (k) to signal (k+1) so as to eliminate signal contribution and isolate the noise contribution; - estimating (22) the noise variance v; - summing (23) all consecutive received signals of the same TTI so as to isolate the transmitted signal contribution, plus some residual noise; - squaring (24) the variable so as to obtain a chi squared distribution, central if the transmitted signal was 0, non-central if it was +1 or -1. - determining (25) a threshold proportional to said variance; - using (26) said threshold so as to perform detection of the communication channel Fig. 2
IN232DEN2012 2009-06-12 2010-06-11 IN2012DN00232A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09368018.9A EP2262194B1 (en) 2009-06-12 2009-06-12 Process for detecting transmitted symbols based on a ternary alphabet and corresponding receiver
PCT/EP2010/003500 WO2010142449A1 (en) 2009-06-12 2010-06-11 Process for detecting transmitted symbols based on a ternary alphabet and corresponding receiver

Publications (1)

Publication Number Publication Date
IN2012DN00232A true IN2012DN00232A (en) 2015-05-01

Family

ID=41396506

Family Applications (1)

Application Number Title Priority Date Filing Date
IN232DEN2012 IN2012DN00232A (en) 2009-06-12 2010-06-11

Country Status (5)

Country Link
US (1) US8315580B2 (en)
EP (1) EP2262194B1 (en)
JP (1) JP5615912B2 (en)
IN (1) IN2012DN00232A (en)
WO (1) WO2010142449A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018141932A1 (en) * 2017-02-06 2018-08-09 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods for minimizing performance impact from known signal distortions

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3850736B2 (en) * 2002-02-06 2006-11-29 富士通株式会社 Apparatus and method for determining information transmitted using radio signal
CN100568746C (en) * 2003-12-23 2009-12-09 Nxp股份有限公司 Coding/decoding method and equipment
SG124304A1 (en) * 2005-01-20 2006-08-30 St Microelectronics Asia Method and system for adaptive channel estimation in pilot symbol assisted modulation systems
JP4642582B2 (en) * 2005-07-27 2011-03-02 富士通株式会社 Mobile communication system, radio base station, mobile station
US7489657B2 (en) * 2006-02-03 2009-02-10 Nokia Corporation Determination and use of adaptive thresholds for received messages
US8369810B2 (en) * 2007-02-15 2013-02-05 Nokia Corporation Interference variance estimation for signal detection

Also Published As

Publication number Publication date
JP2012529815A (en) 2012-11-22
EP2262194B1 (en) 2017-01-11
EP2262194A1 (en) 2010-12-15
JP5615912B2 (en) 2014-10-29
WO2010142449A1 (en) 2010-12-16
US20120157104A1 (en) 2012-06-21
US8315580B2 (en) 2012-11-20

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