Results 31 to 40 of about 1,411,285 (285)

MULTIPATH FADING EFFECTS ON UNCODED AND CODED MULTIPLE FREQUENCY SHIFT KEYING PERFORMANCE IN MOBILE WIRELESS COMMUNICATIONS [PDF]

Journal of Engineering and Sustainable Development, 2019
This paper presents an analysis of multipath fading channel effects on the performance of multiple frequency shift keying (MFSK) modulation that is used in mobile wireless communications.
Hassan Awheed Jeiad, Riyadh Jabbar Sudani Al-Bahadili   +1 more
doaj   +2 more sources

Construction of Near-Capacity Protograph LDPC Code Sequences with Block-Error Thresholds

, 2015
Density evolution for protograph Low-Density Parity-Check (LDPC) codes is considered, and it is shown that the message-error rate falls double-exponentially with iterations whenever the degree-2 subgraph of the protograph is cycle-free and noise level is
Pradhan, Asit Kumar, Subramanian, Arunkumar, Thangaraj, Andrew   +2 more
core   +1 more source

Block Markov superposition transmission over turbulence channels in outdoor optical wireless communication

Tongxin xuebao, 2017
Based on the equivalent genie-aided system,the bit-error rate of the block Markov superposition transmission system was analyzed and the union bound of the bit-error rate of the genie-aided system was derived.When the bit-error rate was extremely low at ...
Jin-shun ZHU, Xiao MA
doaj   +2 more sources

Exponential Error Rates of SDP for Block Models: Beyond Grothendieck’s Inequality

IEEE Transactions on Information Theory, 2019
In this paper we consider the cluster estimation problem under the Stochastic Block Model. We show that the semidefinite programming (SDP) formulation for this problem achieves an error rate that decays exponentially in the signal-to-noise ratio. The error bound implies weak recovery in the sparse graph regime with bounded expected degrees, as well as ...
Yingjie Fei, Yudong Chen 0001
openaire   +2 more sources

Performance Analysis of Space-Time Block Codes in Flat Fading MIMO Channels with Offsets

EURASIP Journal on Wireless Communications and Networking, 2007
We consider the effect of imperfect carrier offset compensation on the performance of space-time block codes. The symbol error rate (SER) for orthogonal space-time block code (OSTBC) is derived here by taking into account the carrier offset and the ...
Manav R. Bhatnagar, R. Vishwanath, Vaibhav Bhatnagar   +2 more
doaj   +2 more sources

Deep Learning-Enhanced Autoencoder for Multi-Carrier Wireless Systems

Mathematics
In a multi-carrier (MC) system, the transmitted data are split across several sub-carriers as a crucial approach for achieving high data rates, reliability, and spectral efficiency.
Md Abdul Aziz, Md Habibur Rahman, Rana Tabassum, Mohammad Abrar Shakil Sejan, Myung-Sun Baek, Hyoung-Kyu Song   +5 more
doaj   +1 more source

Improved CRC aided BP decoding for polar codes

Electronics Letters, 2021
In this letter, a modified message passing algorithm to prevent short cycles in the factor graph is proposed and combined with a relaxation technique to improve the performance of cyclic redundancy check aided belief propagation decoding for polar codes.
Sungkwon Hong, Jong‐Moon Chung
doaj   +1 more source

Design of Block Transceivers with Decision Feedback Detection

, 2005
This paper presents a method for jointly designing the transmitter-receiver pair in a block-by-block communication system that employs (intra-block) decision feedback detection.
Davidson, Tim, Wong, K. Max, Xu, Fang, Zhang, Jian-Kang   +3 more
core   +2 more sources

On the block error rate performance of spatially coupled LDPC codes for streaming applications [PDF]

2016 IEEE Information Theory Workshop (ITW), 2016
In this paper, we study the block error rate (BLER) performance of spatially coupled low-density parity-check (SC-LDPC) codes using a sliding window decoder suited for streaming applications. Previous studies of SC-LDPC have focused on the bit error rate (BER) performance or the frame error rate (FER) performance over the entire length of the code ...
David G. M. Mitchell, Ali Emre Pusane, Michael Lentmaier, Daniel J. Costello Jr.   +3 more
openaire   +1 more source

Hospitalization Through Families’ Eyes: Comparing Inpatient Care Quality for Children With Sickle Cell Disease and Cystic Fibrosis in Canada

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Sickle cell disease (SCD) is a chronic, inherited hemoglobinopathy that requires frequent hospitalization for disease‐related complications. Canadian data on inpatient care is limited. This study compared caregiver‐reported hospital experiences of children with SCD to those with cystic fibrosis (CF), a chronic, autosomal recessive ...
Hailey M. Zwicker, Kyle Kemp, Perri Tutelman, Sharon H. J. Hou, Paul Fairie, Maria Santana, Gregory M. T. Guilcher, Taryn Fay‐McClymont, Glenda Bendiak, Wendy Pelletier, Nicola Wright, Fiona Schulte   +11 more
wiley   +1 more source