multiuser
RSS multiuserMultiuser Detection and Channel Estimation in MIMO OFDM Systems Via Blind Source Separation
White Paper This paper proposes a blind multiuser detection and channel estimation method for Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency-Division Multiplexing (OFDM) systems based on Blind Source Separation (BSS). [18 Apr 2007]
Multiuser Detection for Overloaded CDMA Systems
White Paper Multiuser detection for overloaded CDMA systems, in which the number of users is larger than the dimension of the signal space, is of particular interest when bandwidth is at a premium. In this paper, certain fundamental... [08 Nov 2006]
Resource Pooling and Effective Bandwidths in CDMA Networks With Multiuser Receivers and Spatial Diversity
White Paper Much of the performance analysis on multiuser receivers for direct-sequence code division multiple-access (CDMA) systems is focused on worst case near-far scenarios. The user capacity of power-controlled networks with... [10 Apr 2008]
Multiuser Detection in DS-CDMA
White Paper The project discussed in this paper looks into suboptimal receivers for multiuser detection in CDMA systems. The optimal ML receiver has too high a complexity to be used in practice. For real time implementation the user... [10 Nov 2006]
Multiuser Detection in MIMO OFDM Systems Using Blind Source Separation
White Paper This paper introduces a new separation technique for multiuser OFDM systems when multiple antennas are used in transmission and reception. All users transmit simultaneously using all the frequency bandwidth through... [21 Oct 2004]
Multiuser OFDM Capacity Analysis With Partial Channel Information
White Paper This paper studies multiuser orthogonal frequency division multiplexing (OFDM) system using adaptive subchannel and power allocation with partial channel information. Previous research on multiuser OFDM... [10 Apr 2008]
Iterative Multiuser Detection, Macrodiversity Combining, and Decoding for the TDMA Cellular Uplink
White Paper A soft-input soft-output (SISO) multiuser detector (MUD) suitable for inclusion in iterative processing architectures is presented and applied to the detection of the coded time division multiple access (TDMA) cellular... [20 Jul 2004]
A Scalable Multiuser Framework for Video Over OFDM Networks: Fairness and Efficiency
White Paper This paper proposes a framework to transmit multiple scalable video programs over downlink multiuser OFDM networks in real time. The framework explores the scalability of the video codec and multi-dimensional diversity... [13 Apr 2007]
Computationally Efficient Multiuser Detection for Aperiodically Spreading CDMA Systems
White Paper Multiuser CDMA systems with aperiodic spreading codes have received considerable attention. One major difficulty in multiuser detection is the user's time-varying signature. In this paper,... [09 Nov 2006]
Adaptive Resource Allocation in Multiuser OFDM Systems With Proportional Fairness
White Paper Multiuser orthogonal frequency division multiplexing (MU-OFDM) is a promising technique for achieving high downlink capacities in future cellular and wireless LAN systems. The sum capacity of MU-OFDM is maximized when... [10 Apr 2008]
Block-Adaptive Kernel-Based CDMA Multiuser Detection
White Paper The paper investigates the application of a recently introduced learning technique, referred to as the relevance vector machine (RVM) to construct a block-adaptive kernel-based nonlinear multiuser detector (MUD) for... [27 Jul 2005]
Dynamic Distortion Control for 3-D Embedded Wavelet Video Over Multiuser OFDM Networks
White Paper By exploring frequency, time, and multiuser diversity in OFDM and flexibility of 3D embedded wavelet video codec, the proposed algorithm can achieve fair video qualities among all users. This paper proposes a system to... [24 Jan 2008]
Transmit Selection Diversity for Unitary Precoded Multiuser Spatial Multiplexing Systems With Linear Receivers
White Paper Multiuser spatial multiplexing is a downlink transmission technique that uses linear transmit pre-coding to multiplex multiple users and pre-cancel inter-user interference. In this paper, the downlink of a... [17 May 2006]
Adaptive Resource Allocation in Multiuser OFDM Systems
White Paper An interesting application of OFDM is in Multiuser OFDM systems in which multiple users share the same channel and the total transmit power. Next Generation wireless communication systems will support wireless multimedia... [10 May 2006]
Minimum Bit Error Rate Multiuser Detection in Multiple Antenna Aided OFDM
White Paper This paper proposes a Minimum Bit Error Rate (MBER) multiuser detector for Space Division Multiple Access (SDMA) aided Orthogonal Frequency Division Multiplexing (OFDM) systems. It is shown that the MBER detector... [26 Jul 2005]
