conditions multiuser
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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 multiuser receivers are less... [10 Apr 2008]
Transmit Selection Diversity for Multiuser Spatial Multiplexing Systems
White Paper Multiuser spatial multiplexing uses precoding to support multiple users in multi-antenna wireless channels. In the other solution, a multiuser antenna selection algorithm is proposed that achieves good performance with fewer RF chains and lower... [21 Aug 2007]
Transmit Selection Diversity for Multiuser Spatial Multiplexing Systems
White Paper Multiuser spatial multiplexing uses precoding to support multiple users in multi-antenna wireless channels. In the other solution, a multiuser antenna selection algorithm is proposed that achieves good performance with fewer RF chains and lower... [21 Aug 2007]
Exploiting Medium Access Diversity in Rate Adaptive Wireless LANs
White Paper This paper proposes a Medium Access Diversity (MAD) scheme that leverages the benefits of rate adaptation schemes by aggressively exploiting multiuser diversity. Recent years have seen the growing popularity of multi-rate wireless network devices... [01 Aug 2007]
Adaptive Subcarrier and Power Allocation in OFDM Based on Maximizing Utility
White Paper This paper investigates adaptive resource allocation on the downlink of multiuser OFDM networks to achieve both multiuser diversity and fairness. The authors formulate cross-layer optimization problem as one that maximizes the sum of the utilities... [11 Apr 2007]
Performance of an Adaptive Multiuser OFDM Uplink With Carrier Frequency Offsets
White Paper In this paper, a model is provided to quantify the effects of carrier frequency offsets in a multiuser OFDM uplink. The paper proposes a slotted OFDM radio interface, in which time-frequency bins are allocated adaptively to different users based on... [11 Apr 2007]
Adaptive Resource Allocation and Scheduling for Multiuser Packet-Based OFDM Networks
White Paper This algorithm takes into consideration not only the physical channel conditions but also the random traffic arrival, QoS requirements, and user fairness observed at the link layer. As it moves towards the next generation wireless communications... [11 Apr 2007]
Interference Cancellation for Multirate Multiuser Systems
White Paper It is found that multi-stage SIC outperform single or multi-stage PIC under any conditions considered. In the work discussed in this paper, the authors compare multistage Successive Interference Cancellation (SIC) and multistage Parallel... [10 Nov 2006]
Blind Multi-User Equalisation for a Dispersive DS-CDMA Downlink Under Carrier Frequency Offset Conditions
White Paper This paper addresses blind multiuser detection in a DS-CDMA downlink channel in the presence of carrier frequency offset. The paper shows that the resulting filtered-error filtered-regressor algorithm requires modifications in order to cope with... [07 Feb 2006]
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