Forward Link Simulation of a Multiuser Cdma2000 System Ee381-k Multiuser Wireless Communications Class Project
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Link and System Level Performance of Multiuser Detection CDMA Uplink
The link level performance and the cellular system capacity in the uplink direction of a CDMA cellular system utilising multiuser detection base station receivers is analysed by simulation. In the receiver, parallel multistage multiuser detection is employed together with two-antenna diversity reception and fast closed-loop power control. A system level simulator is built to utilise the link le...
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By adopting multiple-input-multiple-output (MIMO) antenna technologies, IEEE 802.11 wireless LANs are evolving into high speed systems. While only one user can transmit at a time in the conventional IEEE 802.11 systems, we investigate the possibility of multiuser transmission by using MIMO antennas, which is now known as multiuser MIMO. The multiuser MIMO technique enables multiple users to rec...
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In this project, a multiuser diversity scheme for MIMO-OFDM systems has been proposed to improve system performance. In the space-time MIMO-OFDM system with multiuser, it needs a scheduler at the base station to do the spatial multiplexing. The scheduler distributes sub-channels to different users based on the feedback channel state information (CSI). The goal is that each user determines a lim...
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Impulse radio is an ultrawideband system with attractive features for baseband asynchronous multiple-access, multimedia services, and tactical wireless communications. Implemented with analog components, the continuous-time impulse radio multiple-access model utilizes pulse-position modulation and random time-hopping codes to alleviate multipath effects and suppress multiuser interference. We i...
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تاریخ انتشار 2002