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In a downlink transmission, users can benefit from the high capacity gain achieved by transmitting independent data streams from multiple antennas to multiple users sharing the same physical time-frequency resources. This technique is known as multiuser MIMO (MU-MIMO). However, performance of MU-MIMO is sensitive towards propagation imperfections, such as time dispersion and inter-stream interference...
Multimedia Broadcast Multicast Service (MBMS), also called enhanced MBMS (e-MBMS) in LTE terminology, was introduced in the release 6 of the 3GPP standard to deliver multimedia content to a large group of users. The main requirement during the provision of MBMS services is to make an efficient overall usage of radio and network resources. There are two wireless transmission modes defined in LTE, i...
A contemporary perspective on the tradeoff between transmit antenna diversity and spatial multiplexing is provided. It is argued that, in the context of modern cellular systems and for the operating points of interest, transmission techniques that utilize all available spatial degrees of freedom for multiplexing outperform techniques that explicitly sacrifice spatial multiplexing for diversity. Reaching...
The 3rd Generation Partnership Project (3GPP) long term evolution-advanced (LTE-A) aims at very high peak data rates such as 1 Gbps in local areas and 100 Mbps in wide areas. To meet these targets, evolved multi-antenna techniques and large spectrum allocations are required. In this paper, we carry out a performance evaluation of uplink single-user multiple-input-multiple-output (SU-MIMO), both for...
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