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Using Beam Forming Technique for MIMO-OFDM Communication System Implementing on VLSI

S. Anuppriya, S. Lekha, M. Sathiyavani, K. Saranya

Abstract


The compressed beam forming weights (CBWs) feedback is used in the IEEE 802.11n/ac WLAN, an example of the practical beam forming MIMO-OFDM system, to reduced the amount of feedback information. We can achieve gate count reduction by exploiting only one matrix triangulation module in our architecture. The VLSI implementation results under the TSMC 90ns CMOS technology reveal that our architecture reguires 194.25K gates while operating at frequency 200.75 MHz.


Keywords


MIMO-OFDM

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References


E. Perahia and R. Stacey, Next Generation Wireless LANs 802.11n and 802.11ac. 2nd Ed., Cambridge University Press, 2013.

C.-F. Liao, F.-C. Lan, J.-W. Jhang, and Y.-H. Huang “A 576-Mbit/s 64-QAM 4x4 MIMO precoding processor with lattice reduction,” IEEE Trans. Circuits and Systems II: Express Briefs, vol. 61, no. 2, pp. 95-99, Feb. 2014.

Y. Lee, “Low-complexity MIMO detection: a mixture of basic techniques for near-optimal error rate,” IEEE Trans. Circuits and Systems II: Express Briefs, vol. 63, no. 10, pp. 949-953, Oct. 2016.

M. Shabany, R. Doostneja, M. Mahdavi, and P. G. Gulak, “A 38pJ/b optimal soft-MIMO detector,” to appear in IEEE Trans. Circuits and Systems II: Express Briefs.

C. Liu, Z. Xing, L. Yuan, C. Tang, and Y. Zhang, “A novel architecture to eliminate bottlenecks in a parallel tiled QRD algorithm for future MIMO systems,” IEEE Trans. Circuits and Systems II: Express Briefs, vol. 64, no. 1, pp. 26-30, Jan. 2017.

C. Senning, C. Studer, P. Luethi, and W. Fichtner, “Hardware-efficient steering matrix computation architecture for MIMO communication systems,” in Proc. IEEE ISCAS, pp. 304-307, 2008.

D. Markovic, B. Nikolic, and R. W. Brodersen, “Power and area minimization for multidimensional signal processing,” IEEE J. Solid- State Circuits, vol. 42, no. 4, pp. 922-934, Apr. 2007.

C.-Z. Zhan, Y.-L. Chen, and A.-Y. Wu, “Iterative superlinear-convergence SVD beam forming algorithm and VLSI architecture for MIMO-OFDM systems,” IEEE Trans. Signal Proc., vol. 60, no. 6, pp. 3264-3277, Jun. 2012.

Y.-L. Chen, C.-Z. Zhan, T.-J. Jheng and A.-Y. Wu, “Reconfigurable adaptive singular value decomposition engine design for high-throughput MIMO-OFDM systems,” IEEE Trans. Very Large Scale Integration (VLSI) Systems, vol. 21, no. 4, pp. 747-760, 2013.

Y.-T. Hwang, W.-D. Chen, and C.-R. Hong, “A low complexity geometric mean decomposition computing scheme and its high throughput VLSI implementation,” IEEE Trans. Circuits and Systems I: Regular Papers, vol. 61, no. 4, pp. 1170-1182, Apr. 2014.

C. Studer, P. Luethi, and W. Fichtner, “VLSI architecture for datareduced steering matrix feedback in MIMO systems,” in Proc. IEEE ISCAS, pp. 300-303, 2008.

Y.-C. Lin,T.-H. Liu,C.-P.Chou, and Y.-S. Chu, “Implementation of the SVD- based preceding sub-system for the compressed beam forming weights feedback in IEEE 802.11n/ac WLAN,” in Proc. IEEE ICASSP, Brisbane, Australia, 2015, pp. 1081-1085.

A. Maltsev, V. Pestretsov, R. Maslennikov, and A. Khoryaev, “Triangular Systolic array with reduced latency for QR decomposition of complex Matrices ,” in Proc. IEEE ISCAS, May 2006, pp. 385-388.

N. D. Hemkumar and J. R. Cavallaro, “A systolic VLSI architecture for complex SVD,” in Proc IEEE ISCAS, May 1992, pp. 1061-1064.

P. Meher, J.Valls, T.-B. Juang, K. Sridharan, and K. Maharatna, “50 Years of CORDIC: algorithms, architectures, and applications,” IEEE Trans. Circuits and Systems I: Regular Papers, vol. 56, no. 9, pp. 1893-1907, Sept. 2009.

Z.-Y. Huang and P.-Y. Tsai, “Efficient implementation of QR decomposition for gigabit MIMO-OFDM systems,” IEEE Trans. Circuits and Systems I: Regular Papers, vol. 58, no. 10, pp. 2531-2542, Oct. 2011.

T.-H. Liu, C.-N. Chiu, P.-Y. Liu and Y.-S. Chu, “Block-wise QR-decomposition for the layered and hybrid Alamouti STBC MIMO systems: algorithms and hardware architectures,” IEEE Trans. Signal Process., vol.62, no.18, pp. 4737-4747, Sept. 2014.


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