Interference Cancellation in Broadcast Channel of Multiuser MIMO system using Block Diagonalization and Dirty Paper Coding Schemes
|International Journal of Engineering Trends and Technology (IJETT)||
|© 2017 by IJETT Journal|
|Year of Publication : 2017|
|Authors : Dr. Dalveer Kaur, Neeraj Kumar
|DOI : 10.14445/22315381/IJETT-V48P228|
Dr. Dalveer Kaur, Neeraj Kumar "Interference Cancellation in Broadcast Channel of Multiuser MIMO system using Block Diagonalization and Dirty Paper Coding Schemes", International Journal of Engineering Trends and Technology (IJETT), V48(3),157-160 June 2017. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group
In Multiuser MIMO system, multiple antennas are placed on base station and also on multiple users. Multiple antennas technique enhanced the performance parameters like reliability and data rate of wireless communication system without required more bandwidth, multiple antennas at transmitting and receiving end provides transmitting and receiving diversity, diversity increases the reliability of signal and spatial multiplexing increases the data rate by transmitting multiple information streams between transmitter and receiver. The base station transmits multiple streams to mobile station through downlink channel, known as broadcast channel and mobile users also transmit multiple streams to base station through uplink channel, known as multiple access channel. This paper considers only broadcast channel, the major issue in information transmission in broadcast channel is that the desired signal on the receiving side is affected by other user interference as well as inter-antenna interference. So, interference cancellation schemes on the transmitting end plays very important role to reduced interference on receiving end in multiuser MIMO wireless communication system. This paper discusses two interference cancellation schemes, Block Diagonalization (BD) and Dirty Paper Coding (DPC). Block Diaganalization is linear precoding technique that is used at transmitting end and it uses singular value decomposition operation to get block diagonalization precoding weights. Dirty Paper Coding is non-linear precoding technique; this technique is applied only when channel gains are completely known at transmitting end. This paper also shows performance comparison of block diagonalization and dirty paper coding schemes in term of Bit Error Rate.
 Lim C., Yoo T., Clerckx B., and Lee B., ?Recent trend of multiuser MIMO In LTE-Advanced, IEEE Communications Magazine, pp. 127–135, March 2013.
 Sung H., Lee S.R and Lee I., ?Generalized Channel Inversion Methods for Multiuser MIMO Systems, IEEE Transactions on Communications, VOL.57, NO .11, Nov 2009.
 Sung H., Lee S.R and Lee I., ?Generalization of Channel Inversion Algorithms for Multiuser MIMO Downlink Communication systems, ICC ?08‘ IEEE International Conference on 19-23 May 2008.
 Shen Z., Chen R., Andrews Jeffrey G., Robert W. Heath., ?Sum Capacity of Multiuser MIMO Broadcast channel with Block Diagonalization, IEEE Transactions on Wireless Communications.VOL.6, Issue .6, Jun 2007.
 Juyul Lee, Nihar Jindal, ?Dirty Paper Coding Vs Linear Precoding for MIMO Broadcast Channels Fortieth Asilomar IEEE conference on Signals, Systems and computers, 29 oct- 1Nov 2006.
 Zhanyun Duan, Tobias Hidalgo Stitz, Mikko Valkama and Markku Renfors, ? Performance Analysis of Parallel Interference Cancellation Detector in Downlink MC-CDMA Systems, 6th Nordic Signal Processing Symposium- NORSIG 2004, Jun 9-11,2004.
 Mohen Ghotbi and M.Reza Soleymani, ? Multiuser Detection of DS-CDMA Signals using Partial Parallel Interference Cancellation in Satellite Communications, IEEE Journal on Selected Areas in Communication, VOL.22, No. 3, April 2004.
 Viswanathan H., Venkatesan S and Huang H., ?Downlink Capacity Evaluation of Cellular Networks with Known – Interference Cancellation, IEEE Journal on Selected Area in Communications.VOL.21, NO .5, Jun 2003.
 Waleed M. Younis, Ali H. Sayed and Naofal Ali-Dhahir, ?Efficient Adaptive Receivers for Joint Equalization and Interference Cancellation in Multiuser Space-Time Block Coded System, IEEE Transaction on Signal Processing, VOL. 51, No. 11, Nov. 2003.
 Vishwanath S., Jindal N and Goldsmith A., ?On the Capacity of Multiple Input Multiple Output Broadcast Channels, ICC 2002, IEEE International Conference on 2 May 2002.
Multiuser MIMO, Block Diagonalization, DPC.