Space Division Multiple Access (SDMA)
Bounds on the Outage Constrained Capacity Region of Space Division Multiple Access Radio Systems
... Space-division multiple-access (SDMA) systems that employ multiple antenna elements at the base station can provide much higher capacity than single-antenna-element ...the space ...
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A Survey on Space Division Multiple Access (SDMA) Performance with Scheduling
... for space-division multiple-access (SDMA) wireless ...medium access protocol (MAC) for multimedia SDMA/time-division-multiple-access (TDMA) packet ...
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Hybrid Iterative Multiuser Detection for Channel Coded Space Division Multiple Access OFDM Systems
... Abstract—Space division multiple access (SDMA) aided orthog- onal frequency division multiplexing (OFDM) systems assisted by efficient multiuser detection (MUD) techniques have recently ...
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Slow subcarrier hopped Space Division Multiple Access OFDM systems
... Frequency Division Multiplexing (OFDM) [2], which exhibits a number of advantages over more traditional multi- plexing techniques, resulting in FH/OFDM systems ...Furthermore, Space Division ...
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Performance of Space Division Multiple Access Systems Communicating over Nakagami Fading Channels
... Abslracf- Performance of a space-division multiple-access SDMA system is investigated, when the space-time block coded signals based on two transmit antennas are transmitted over Nakagam[r] ...
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Positioning and space-division multiple access enabled by structured illumination with light-emitting diodes
... The potential applications of this technology are wide- ranging. As an example, we have demonstrated wireless optical space-division multiple access to 16 connected users at an ag- gregate ...
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Adaptive space time equalisation for multiple antenna assisted multiple input multiple output systems
... aided space-time pro- cessing is capable of substantially improving the achievable wire- less system capacity, coverage and quality by suppressing the ef- fects of both intersymbol interference and co-channel ...
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A Joint Beamforming based SDMA Protocol for IEEE 802.11n Downlink
... support space division multiple access (SDMA) in the IEEE ...An access point (AP) follows J-MAC, which employs multiple array antennas, and user equipments (UEs) follow the IEEE ...
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Reduced Rank MMSE Detection in Space Time Coded Space Division Multiple Access Systems
... In comparison with the other reduced-rank MMSE detectors discussed previously in this section, the TPA assisted reduced-rank MMSE detection does not depend on the eigendecomposition of t[r] ...
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Space Time Equalisation Assisted Minimum Bit Error Ratio Multiuser Detection for SDMA Systems
... A novel minimum bit error rate design has been proposed for a space-time equalisation assisted multiuser detector employed in multiple antenna aided space division multiple access system[r] ...
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MIMO Assisted Space Code Division Multiple Access: Linear Detectors and Performance over Multipath Fading Channels
... code-division multiple access (DS-CDMA) has been a typical multiple-access scheme in the second and third generations of wireless com- munications systems, and without any doubt, it ...
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Performance Analysis of Multiple User Optical Code Division Multiple Access
... a multiple-chan- nel system, with each channel corresponding to a CDMA code ...the multiple access interfe- rence in coherent and non-coherent for both synchronous and asynchronous optical code ...
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Low PAPR space frequency block coding for multiuser MIMO SC-FDMA systems: specific issues for users with different spectral allocations
... While the PAPR problem, inevitable in the downlink, can be coped with by using highly linear (and thus expensive) HPAs for example, this is a much more sen- sitive issue in the uplink. Mobile users strive for good ...
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Frequency Reuse In Orthogonal Frequency Division Multiple Access Network
... The users of CDMA system use the same time space and band with different codes. The signal that is transmitted can be retrieved back by the transmitter using the same PN code. CDMA uses a single carrier technique ...
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Time Hopping Multicarrier Code Division Multiple Access
... From June to December 1997, he was a Visit- ing Scientist of the Institute of Radio Engineering and Electronics, Academy of Sciences of the Czech Republic, Prague. Since December 1997, he has been with the Communications ...
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Performance analysis of Spectral Amplitude Coding-Optical Code Division Multiple Access (SAC-OCDMA) in free space optical networks with a multi-wavelength laser source
... In this paper, an SAC-OCDMA system with multi-wavelength laser source was implemented in FSO transmission medium. Then performance of the system for different turbulence strengths, bit rates, receiver aperture size and ...
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Performance of Space Code Division Multiple Access Systems Using Reduced Rank Detection
... [4] B. Hochwald, T. L. Marzetta, and C. B. Papadias, “A transmitter diversity scheme for wideband CDMA systems based on space-time spreading,” IEEE J. on Select. Areas in Commun., vol. 19, pp. 48–60, Jan. 2001. ...
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Analysis On The Effect Of Inter-Cell Interefence In LTE By Using Matlab
... Orthogonal frequency division multiple access (OFDMA) has been recently implemented as the multiple access scheme for the LTE. One of the advantage of OFDMA is elegant solution to ...
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Performance Analysis of MIMO-STBC Adopting Different Variable Conditions of Channel and Modulations
... of space–time trellis codes (measured by the number of trellis states in the decoder) increases exponentially with transmission ...than space–time trellis coding for two transmit antennas but there is a ...
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An enhanced technique for PAPR reduction in mobile WIMAX
... systems, deteriorating nonlinear impairment in optical fibers. This investigates the peak-to-average power ratio (PAPR) theory in the optical orthogonal frequency division multiplexing (OFDM) in the optical fiber ...
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