Low complexity MIMO detection technique for 1-bit ADC MIMO-CEM using adaptive sphere decoding

D Abdelhameed, HS Hussien… - 2017 34th National …, 2017 - ieeexplore.ieee.org
… channel estimation for MIMO system). This thanks to completely remove the amplitude of
the received … [8] EM Mohamed, “A complexity efficient equalization technique for MIMO-constant …

Sphere decoder with dichotomic search

MA Khsiba, GRB Othman - 2017 IEEE 28th Annual …, 2017 - ieeexplore.ieee.org
… We consider a MIMO system with nt transmit and nr receive antennas using spatial
multiplexing scheme. The complex-valued representation of the channel output is given by: …

Affine linear transformation based sphere decoder for 1-bit ADC MIMO-constant envelope modulation

D Abdelhameed, HS Hussein… - 2016 23rd International …, 2016 - ieeexplore.ieee.org
… complexity sphere decoder (SD) is proposed for MIMO-CEM. A low complexity baseband
modeling of MIMO-CEM based on an affine linear transformation is used to specify the sphere

Massively parallel tree search for high-dimensional sphere decoders

K Nikitopoulos, G Georgis… - … Distributed Systems, 2018 - ieeexplore.ieee.org
… It should be complexity efficient and not substantially increase the overall workload when …
compared to MIMO systems which exploit parallelism on a subcarrier level, MultiSphere can …

Geosphere: An exact depth-first sphere decoder architecture scalable to very dense constellations

G Georgis, K Nikitopoulos, K Jamieson - IEEE Access, 2017 - ieeexplore.ieee.org
… of Geosphere, a depth-first sphere decoder able to provide the exact maximum… the MIMO
channel is well-conditioned. However, this is not the case when the size of the MIMO system

Adaptive sphere decoder for 1-bit ADC MIMO-constant envelope modulation detection

D Abdelhameed, HS Hussien… - 2017 14th IEEE Annual …, 2017 - ieeexplore.ieee.org
… In which, an adaptive sphere decoder (SD) based on an affine linear transformation model is
… The MIMO low pass filtered sequences are detected using MIMOCEM decoder, which is the …

Low-complexity IRS beamforming based on sphere decoding and tabu search

S Kimaryo, K Lee - Journal of Communications and Networks, 2023 - ieeexplore.ieee.org
… As such, the design of spectral- and complexity-efficient algorithms is still imperative to fully
… of IRS-assisted MIMO systems, we analyze it in different system setups. We use same system

[PDF][PDF] Affine Linear Transformation based Sphere Decoder for 1-bit ADC MIMO-Constant Envelope Modulation

DA Youssef, HS Hussien, EM Mohamed - researchgate.net
… complexity sphere decoder (SD) is proposed for MIMO-CEM. A low complexity baseband
modeling of MIMO-CEM based on an affine linear transformation is used to specify the sphere

Multisphere: Massively parallel tree search for large sphere decoders

K Nikitopoulos, D Chatzipanagiotis… - 2016 IEEE Global …, 2016 - ieeexplore.ieee.org
system allowing mutually interfering information streams this work focuses on MIMO systems
tree traversal, if it is sequential, the complexity efficient method of Geosphere [3] SD is used …

Efficient architecture for soft-input soft-output sphere detection with perfect node enumeration

EP Adeva, GP Fettweis - … Scale Integration (VLSI) Systems, 2016 - ieeexplore.ieee.org
… Both MIMO detector realizations have been optimized for a 4 × 4 MIMO system employing
a 64-QAM … Ascheid, “Complexityefficient enumeration techniques for soft-input, soft-output …