Performance Analysis of Dual-Layer Differential Precoding Technique Using 8-PSK Constellation 


Vol. 38,  No. 5, pp. 401-408, May  2013


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  Abstract

Dual-layer differential codebook using 8-PSK (phase shift keying) constellation as its codeword elements, is proposed for Long term evolution (LTE) and/or LTE-Advanced systems. Due to the temporal correlation of the adjacent channel matrices, the consecutive precoding matrices are likely to be similar. This approach quantize only the differential information of the channel instead of the whole channel subspace, which virtually increase the codebook size to realize more accurate quantization of the channel. Especially, the proposed codebook has the same properties of LTE release-8 codebook that is, constant modulus, complexity reduction, and nested property. The mobile station can be designed by using less expensive non-linear amplifier utilizing constant modulus property. Computer simulations show that the capacity of the proposed dual-layer codebook performs almost 1.2dB better than those of any other non-differential codebooks with the same amount of feedback information.

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  Cite this article

[IEEE Style]

N. Park and Y. Kim, "Performance Analysis of Dual-Layer Differential Precoding Technique Using 8-PSK Constellation," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 5, pp. 401-408, 2013. DOI: .

[ACM Style]

Noe-yoon Park and Young-ju Kim. 2013. Performance Analysis of Dual-Layer Differential Precoding Technique Using 8-PSK Constellation. The Journal of Korean Institute of Communications and Information Sciences, 38, 5, (2013), 401-408. DOI: .

[KICS Style]

Noe-yoon Park and Young-ju Kim, "Performance Analysis of Dual-Layer Differential Precoding Technique Using 8-PSK Constellation," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 5, pp. 401-408, 5. 2013.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880