New Automatic Gain Control Algorithm in High Adjacent Channel Interference Environment for Single Carrier Wireless Communication Systems 


Vol. 44,  No. 1, pp. 22-29, Jan.  2019
10.7840/kics.2019.44.1.22


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  Abstract

In wireless communication systems, the received signal power is highly fluctuated by distance between transmitter and receiver and by mobility of the receiver. For the single carrier systems, since the received signal is demodulated in the time domain, automatic gain control (AGC) operates to keep demodulator input signal power constant. However in high adjacent channel interference (ACI) environment, because the conventional algorithms cannot keep the constant signal power or cannot prevent the saturation of analog-to-digital converter (ADC) input signal, the demodulation performance can be degraded. In this paper, we propose a new algorithm to enhance the receiver demodulation performance by using ACI power in high ACI environment. The proposed AGC algorithm has better bit error rate (BER) performance than conventional algorithms.

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  Cite this article

[IEEE Style]

H. Kang and J. No, "New Automatic Gain Control Algorithm in High Adjacent Channel Interference Environment for Single Carrier Wireless Communication Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 1, pp. 22-29, 2019. DOI: 10.7840/kics.2019.44.1.22.

[ACM Style]

Hoon Kang and Jong-Seon No. 2019. New Automatic Gain Control Algorithm in High Adjacent Channel Interference Environment for Single Carrier Wireless Communication Systems. The Journal of Korean Institute of Communications and Information Sciences, 44, 1, (2019), 22-29. DOI: 10.7840/kics.2019.44.1.22.

[KICS Style]

Hoon Kang and Jong-Seon No, "New Automatic Gain Control Algorithm in High Adjacent Channel Interference Environment for Single Carrier Wireless Communication Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 1, pp. 22-29, 1. 2019. (https://doi.org/10.7840/kics.2019.44.1.22)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880