Title:
MULTI-CARRIER TIME DIVISION MULTIPLE ACCESS MODULATION/DEMODULATION METHOD AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/154911
Kind Code:
A1
Abstract:
The present invention provides a multi-carrier time division multiple access (MC-TDMA) modulation/demodulation method and system. Before multi-carrier modulation is performed on an input symbol, interleaving allocation and FFT transform are performed, a time domain symbol is transformed into a frequency domain symbol signal, and MDFT processing is performed. A sending end adopts an analysis filter group structure, and pre-filtering and IFFT transform are performed on a signal successively. A pre-filter is positioned between an NM point FFT and an M point IFFT, a PAPR value of the system is reduced using the symmetry of a filter coefficient, and a frequency domain symbol signal is allocated to different sub-bands for multi-carrier modulation.
Inventors:
WANG GUANGYU (DE)
CHEN QIANBIN (CN)
SHAO KAI (CN)
ZHUANG LING (CN)
CHEN QIANBIN (CN)
SHAO KAI (CN)
ZHUANG LING (CN)
Application Number:
PCT/CN2015/075557
Publication Date:
October 06, 2016
Filing Date:
March 31, 2015
Export Citation:
Assignee:
UNIV CHONGQING POSTS & TELECOM (CN)
International Classes:
H04L1/00; H04L5/00; H04L25/03; H04L27/26
Foreign References:
| CN103441734A | 2013-12-11 | |||
| CN103326972A | 2013-09-25 | |||
| US20050047513A1 | 2005-03-03 | |||
| CN102355273A | 2012-02-15 |
Attorney, Agent or Firm:
HANHOW INTELLECTUAL PROPERTY (CN)
北京汉昊知识产权代理事务所（普通合伙） (CN)
北京汉昊知识产权代理事务所（普通合伙） (CN)
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