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논문 기본 정보

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학술대회자료
저자정보
Dileep K G (Centre for Development Of Telematics (C-DOT), India) Pradeep Goutam (Centre for Development Of Telematics (C-DOT), India) Laxmaiah P (Centre for Development Of Telematics (C-DOT), India) Nithin Kumar S (Centre for Development Of Telematics (C-DOT), India) Hari Prasad S V (Centre for Development Of Telematics (C-DOT), India) Nithin B (Centre for Development Of Telematics (C-DOT), India)
저널정보
대한전자공학회 대한전자공학회 학술대회 ICEIC 2017 International Conference on Electronics, Information, and Communication
발행연도
2017.1
수록면
122 - 126 (5page)

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This paper demonstrates the implementation of a QPSK/Time Division Multiple Access (TDMA) satellite receiver using short preamble-based synchronization in the presence of timing, frequency and phase offsets, and with Additive White Gaussian Noise (AWGN). The detection and estimation of synchronization parameters of the received signal, i.e., frequency, phase and symbol timing, are highly dependent on the preamble of the burst. Moreover, computational complexity and acquisition time of the receiver are directly proportional to the preamble length. The implemented receiver uses a 64-bit short preamble for synchronization and gives better bit error rate (BER) performance at low signal to noise ratio (SNR), close to -3dB. The functional verification of the synchronization algorithm is done using Matlab simulations and the algorithm implementation uses fixed-point C. The receiver design has been prototyped for 4 TDMA channels in Texas Instruments (TI) multi-core C66x DSP. The design and implementation of this receiver have been done for C-DOT indigenous satellite project.

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Abstract
I. INTRODUCTION
II. SYSTEM MODEL AND BURST STRUCTURE
III. UPSAMPLING AND MATCHED FILTERING
IV. BURST SYNCHRONIZATION AND TIMING RECOVERY
V. FREQUENCY AND PHASE OFFSET ESTIMATION
VI. DSP-BASED IMPLEMENTATION OF ALGORITHM
VII. PERFORMANCE ANALYSIS AND RE
VIII. CONCLUSIONS AND FUTURE WORK
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UCI(KEPA) : I410-ECN-0101-2017-569-002194257