Results 21 to 30 of about 4,006 (196)

Generalised pre-coding aided spatial modulation [PDF]

, 2013
A new Multiple Input Multiple Output (MIMO) transmission scheme termed as Generalised Pre-coding aided Spatial Modulation (GPSM) is proposed, where the key idea is that a particular subset of receive antennas is activated and the activation pattern ...
Yang, Lie-Liang, Zhang, Rong, Hanzo, Lajos   +2 more
core   +1 more source

Joint Decision-Directed Channel and Noise-Variance Estimation for MIMO OFDM/SDMA Systems Based on Expectation-Conditional Maximization [PDF]

, 2011
A joint channel impulse response (CIR) and noise-variance estimation scheme is proposed for multiuser multiple-input–multiple-output (MIMO) orthogonal frequency-division multiplexing/space-division multiple access (OFDM/SDMA) systems, which is based on ...
Xiaomin Mu, Jiankang Zhang, Mu, Xiaomin, Hanzo, Lajos, Lajos Hanzo, Zhang, Jiankang   +5 more
core   +1 more source

Code orthogonality for wideband CDMA systems with multiple transmit antennas [PDF]

, 2007
Code orthogonality is a useful indicator in determining the performance of the synchronous downlink of third generation Universal Mobile Telecommunication System (UMTS) Terrestrial Radio Access systems.
Beach, Mark, Mark A. Beach, Allen, Ben, Hunukumbure, Mythri, Allen, BH, Hunukumbure, MR, Mythri Hunukumbure, Beach, MA, Ben Allen   +8 more
core   +1 more source

Spatial modulation for generalized MIMO: challenges, opportunities and implementation [PDF]

, 2013
A key challenge of future mobile communication research is to strike an attractive compromise between wireless network's area spectral efficiency and energy efficiency.
Renzo, Marco Di, Sugiura, S., Di Renzo, Marco, Haas, Harald, Hanzo, Lajos, Ghrayeb, Ali, Ali Ghrayeb, Marco Di Renzo, Sugiura, Shinya, Ghrayeb, A., Shinya Sugiura, Harald Haas, Hanzo, L., Lajos Hanzo   +13 more
core   +1 more source

Error probability and capacity analysis of generalised pre-coding aided spatial modulation [PDF]

, 2015
The recently proposed multiple input multiple output (MIMO) transmission scheme termed as generalized pre-coding aided spatial modulation (GPSM) is analyzed, where the key idea is that a particular subset of receive antennas is activated and the specific
Yang, Lie-Liang, Zhang, Rong, Hanzo, Lajos   +2 more
core   +1 more source

Multiuser MIMO-OFDM for Next-Generation Wireless Systems

, 2007
This overview portrays the 40-year evolution of orthogonal frequency division multiplexing (OFDM) research. The amelioration of powerful multicarrier OFDM arrangements with multiple-input multiple-output (MIMO) systems has numerous benefits, which are ...
Jiang, M, Ming Jiang, Hanzo, L, Lajos Hanzo   +3 more
core   +1 more source

Initial and Post-Initial Code Acquisition in the Non-Coherent Multiple Input/Multiple Output Aided DS-CDMA Downlink [PDF]

, 2008
In this paper, we investigate the issues of both initial and post-initial acquisition schemes in the multiple-input/multiple-output (MIMO)-aided direct-sequence code-division multiple-access (DS-CDMA) downlink when communicating over spatially ...
Won, Seung, Won, SeungHwan, Hanzo, Lajos
core   +1 more source

Performance analysis of layered random beamforming OFMDA with feedback reduction [PDF]

, 2007
This paper presents a downlink performance analysis of a Layered Random Beamforming (LRB) - MIMO-OFDMA Physical Layer (PHY) with feedback reduction as applicable to future generation wireless communication systems.
Joe McGeehan, Yong Sun, Angela Doufexi, Doufexi, A, McGeehan, JP, Han, C, Sun, Y, Armour, SMD, Simon Armour, Congzheng Han   +9 more
core   +1 more source

Hybrid Self-Backhaul and Cache Assisted Millimeter Wave Two-Tier Heterogeneous Networks With MIMO Equipped Backhaul Access Points

IEEE Access, 2019
This paper focuses on effective content delivering over the co-channel and full millimeter-wave (mm-Wave) heterogeneous networks (HetNets) by using hybrid self-backhaul and cache-assisted (HSBC-assisted) content delivering.
Xiangdong Jia, Wenjuan Xu, Yuwan Chen, Longxiang Yang   +3 more
doaj   +1 more source

POLARIZED DIVERSITY COMPACT PLANAR MIMO ANTENNA FOR WIRELESS ACCESS POINT APPLICATIONS

Progress In Electromagnetics Research C, 2019
In this paper, a wideband polarization diversity multi-input multioutput (MIMO) antenna system is proposed. The structure of the proposed antenna consists of four wideband coplanar waveguide (CPW)-fed monopole antennas with a common ground plane and radiated element.
Moradi, A., Ngah, R., Khalily, M.
openaire   +2 more sources