Analysis of Achievable Information Rate and Parameter Estimation Performances According to Subcarrier Allocation Methods in MIMO OFDM Pulse Radar-Communication 


Vol. 44,  No. 7, pp. 1336-1343, Jul.  2019
10.7840/kics.2019.44.7.1336


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  Abstract

In this paper, we consider Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing (MIMO OFDM) pulse radar communication (RadCom) system in which the information transfer and the estimation of target azimuth angles are simultaneously performed. In the MIMO pulse radar, the waveforms transmitted from each antenna are designed to be orthogonal to each other in order to construct a virtual array antenna for high azimuth estimation resolution. That is, subcarriers may be orthogonally allocated to each antenna to transmit a waveform orthogonally. On the other hand, subcarriers can be adaptively allocated according to the channel gain between each transmitter and receiver for communication. In this paper, we analyze the performance of communication and radar (in terms of achievable rate and angle estimation error) in MIMO OFDM pulse RadCom and propose the subcarrier allocation methods. By constructing a virtual array antenna, MUltiple SIgnal Classification (MUSIC) algorithm can be applied to estimate the azimuth angle, and the achievable rate can be derived based on the gain of the communication channel for each subcarrier. We also verify the achievable rate and the mean square error (MSE) of the proposed OFDM subcarrier allocation methods through the simulations.

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  Cite this article

[IEEE Style]

J. Lee, J. Seo, J. Park, S. Hwang, W. Byun, "Analysis of Achievable Information Rate and Parameter Estimation Performances According to Subcarrier Allocation Methods in MIMO OFDM Pulse Radar-Communication," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 7, pp. 1336-1343, 2019. DOI: 10.7840/kics.2019.44.7.1336.

[ACM Style]

Jonghyeok Lee, Jiho Seo, Jaehyun Park, Sunghyun Hwang, and Woo-Jin Byun. 2019. Analysis of Achievable Information Rate and Parameter Estimation Performances According to Subcarrier Allocation Methods in MIMO OFDM Pulse Radar-Communication. The Journal of Korean Institute of Communications and Information Sciences, 44, 7, (2019), 1336-1343. DOI: 10.7840/kics.2019.44.7.1336.

[KICS Style]

Jonghyeok Lee, Jiho Seo, Jaehyun Park, Sunghyun Hwang, Woo-Jin Byun, "Analysis of Achievable Information Rate and Parameter Estimation Performances According to Subcarrier Allocation Methods in MIMO OFDM Pulse Radar-Communication," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 7, pp. 1336-1343, 7. 2019. (https://doi.org/10.7840/kics.2019.44.7.1336)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880