Correlation-Based Optimal Chirp Rate Allocation for Chirp Spread Spectrum Using Multiple Linear Chirps
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- KIM Kwang-Yul
- School of Electronic Engineering, Soongsil University
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- LEE Seung-Woo
- School of Electronic Engineering, Soongsil University
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- HWANG Yu-Min
- Department of Electronics Convergence Engineering, Kwangwoon University
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- LEE Jae-Seang
- Agency for Defense Development
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- KIM Yong-Sin
- Agency for Defense Development
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- KIM Jin-Young
- Department of Electronics Convergence Engineering, Kwangwoon University
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- SHIN Yoan
- School of Electronic Engineering, Soongsil University
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説明
<p>A chirp spread spectrum (CSS) system uses a chirp signal which changes the instantaneous frequency according to time for spreading a transmission bandwidth. In the CSS system, the transmission performance can be simply improved by increasing the time-bandwidth product which is known as the processing gain. However, increasing the transmission bandwidth is limited because of the spectrum regulation. In this letter, we propose a correlation-based chirp rate allocation method to improve the transmission performance by analyzing the cross-correlation coefficient in the same time-bandwidth product. In order to analyze the transmission performance of the proposed method, we analytically derive the cross-correlation coefficient according to the time-bandwidth separation product and simulate the transmission performance. The simulation results show that the proposed method can analytically allocate the optimal chirp rate and improve the transmission performance.</p>
収録刊行物
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- IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
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IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E100.A (4), 1088-1091, 2017
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詳細情報 詳細情報について
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- CRID
- 1390282681288084096
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- NII論文ID
- 130005529487
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- ISSN
- 17451337
- 09168508
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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