NDLI: On the implementation of DMR system based on SDR structure

Content Provider	IEEE Xplore Digital Library
Author	Wei Luo Jie Zeng Xin Su Lili Liu Chen Zhang
Copyright Year	2013
Description	Author affiliation: Tsinghua Nat. Lab. for Inf. Sci. & Technol., Tsinghua Univ., Beijing, China (Wei Luo; Jie Zeng; Xin Su; Lili Liu) \|\| Univ. of Electron. Sci. & Technol. of China (UESTC), Chengdu, China (Chen Zhang)
Abstract	DMR is a digital trunking communication protocol proposed by ETSI which has predictable doubling of capacity in existing 12.5 kHz licensed channels and delivers backwards spectrum compatibility with legacy analog systems. The DMR system implemented in this paper is based on SDR (Software Defined Radio) structure, which components that have been implemented in hardware (e.g. filters, modulator/demodulator, synchronization, etc.) are implemented by means of software on a central processor. The system architecture and baseband process are emphasized. The system and modules in the system can be integrated as a wave component library to other communication system, meanwhile all functions, modes and applications can be configured, reconfigured and upgraded in the field with new capabilities by software. The SDR based DMR system implemented in this paper communicates well with commercial terminals which proves the accuracy of signaling processing and compatibility with existing terminals. The system holds great significance in multi-modes system research and digital trunking communication system substitute for current analog trunking system.
Starting Page	314
Ending Page	317
File Size	818494
Page Count	4
File Format	PDF
ISBN	9781479914067
DOI	10.1109/ChinaCom.2013.6694612
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency SDR Protocols Baseband Real-time implementation 4CP-FSK DMR Software Digital filters Demodulation
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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