463 Hits in 10.7 sec

WCDMA Uplink Parallel Interference Cancellation—System Simulations and Prototype Field Trials

Bo Hagerman, Fredrik Gunnarsson, Hideshi Murai, Mioko Tadenuma, Jonas Karlsson
2005 EURASIP Journal on Advances in Signal Processing  
The performance of the selected limited-complexity parallel IC receiver is first evaluated with link-level simulations in order to provide input to system-level simulations.  ...  Interference cancellation (IC) is one identified key technology to enhance WCDMA uplink performance.  ...  System-level simulation modeling System-level simulations are performed within a cellular structure configured with 3 cell sites deployment with cell radius of 1 km.  ... 
doi:10.1155/asp.2005.1725 fatcat:meykx23nprdormuf55v3isonqy

The life and work of Marvin Kenneth Simon [article]

M. S. Alouini, E. Biglieri, D. Divsalar, S. Dolinar, A. Goldsmith, L. Milstein
2016 arXiv   pre-print
Marv's tragic death on September 23, 2007 continues to engender pangs not only of sadness at the passing of a great friend to many in our community, but also of regret that he is no longer with us to help  ...  Moreover, he laid the foundation for many of the techniques used in communication systems today.  ...  They would also like to thank Marv's daughter Brette Simon for her comments as well as for sharing many of the pictures that appear in the tribute.  ... 
arXiv:1601.01923v1 fatcat:hcrlr3kh5jclzmp7ayuymyjode


Dr. Anbu Karuppusamy S
2021 Zenodo  
SOME INVESTIGATIONS ON IMPROVING PERFORMANCE OF FADING CANNELS IN MANETS: D.Sc Thesis.  ...  distributed (IID) or independent and non-identically distributed (IND) Rayleigh fading channels.  ...  multiple co-channel interference rayleigh-fading signals.  ... 
doi:10.5281/zenodo.5148816 fatcat:3p7mvkqddfa6naoaz55fnelolq

Stochastic Geometry for Modeling, Analysis, and Design of Multi-Tier and Cognitive Cellular Wireless Networks: A Survey

Hesham ElSawy, Ekram Hossain, Martin Haenggi
2013 IEEE Communications Surveys and Tutorials  
Hence, a new research area dealing with the modeling and analysis of multi-tier and cognitive cellular wireless networks is increasingly attracting the attention of the research community.  ...  A taxonomy based on the target network model, the point process used, and the performance evaluation technique is also presented.  ...  Results for Rayleigh fading channels can be found in [19] . The exact distribution for the aggregate interference in a Rayleigh fading channel and a pathloss exponent η = 4 was derived in [29] .  ... 
doi:10.1109/surv.2013.052213.00000 fatcat:hwzluagk3jgb7f4or5dma66pfa

A Survey on Higher-Order QAM Constellations: Technical Challenges, Recent Advances, and Future Trends

Praveen Kumar Singya, Parvez Shaik, Nagendra Kumar, Vimal Bhatia, Mohamed-Slim Alouini
2021 IEEE Open Journal of the Communications Society  
On the other hand, in cellular communication, power efficiency is a major area of concern for system designers since the mobile phone sensors or Internet of things (IoT) type communications operate on  ...  scheme for future standards. parameters is application oriented in digital radio frequency (RF) system design.  ...  In [19] , a non-relay system is considered and SEP of HQAM over Rayleigh fading channel is derived. For a multi-relay network over independent and non-identically distributed (i.n.i.d.)  ... 
doi:10.1109/ojcoms.2021.3067384 fatcat:xx3tpsasevbqjg3ej2vktivqdi

2019 Index IEEE Transactions on Communications Vol. 67

2019 IEEE Transactions on Communications  
., +, TCOMM June 2019 4151-4165 On the Design of Massive Non-Orthogonal Multiple Access With Imperfect Successive Interference Cancellation.  ...  ., +, TCOMM April 2019 2673-2688 On the Design of Massive Non-Orthogonal Multiple Access With Imperfect Successive Interference Cancellation.  ...  S Satellite antennas On the Performance of LMS  ... 
doi:10.1109/tcomm.2019.2963622 fatcat:qd6so3reavde3eiukfknmpbfsu

Interference Management in 5G and Beyond Network: Requirements, Challenges and Future Directions

Maraj Uddin Ahmed Siddiqui, Faizan Qamar, Faisal Ahmed, Quang Ngoc Nguyen, Rosilah Hassan
2021 IEEE Access  
Precisely, the calculation performed on the vehicular-to-vehicular radio cooperative communications with FD non-generative AF relaying system with independent non-identically distributed (i.n.i.d) Nakagami-m  ...  system performance in a more complex environment by introducing mobile UEs.  ...  MARAJ UDDIN AHMED SIDDIQUI She is also a reviewer of several IEEE conferences and national and international journals.  ... 
doi:10.1109/access.2021.3073543 fatcat:pszxfc6abbg6lkdf2yegsiobfy

Evaluation of ultra-wideband in vivo radio channel and its effects on system performance

Muhammad Ilyas, Osman N. Ucan, Oguz Bayat, Ali Arshad Nasir, Muhammad Ali Imran, Akram Alomainy, Qammer H. Abbasi
2018 Transactions on Emerging Telecommunications Technologies  
By conducting simulations using a bandwidth (BW) of 50 MHz, we observed that the in vivo radio channel is affected by small-scale fading.  ...  The current findings will help guide future researchers and designers in enhancing systems performance of an ultra-wideband in vivo wireless systems.  ...  He has over 18 years of combined academic and industry experience, working primarily in the research areas of cellular communication systems.  ... 
doi:10.1002/ett.3530 fatcat:ajweuw5qabasnagneffun76ema

A Theoretical Evaluation of Parallel Interference Cancellation in M-Ary Orthogonal Modulated Asynchronous DS-CDMA System Over Multipath Rayleigh Fading Channels

P. Xiao, E.G. Strom
2005 IEEE Transactions on Vehicular Technology  
In this paper, we tackle the problem of theoretical evaluation for the multistage parallel interference cancellation (PIC) scheme in a direct-sequence code-division multiple access (DS-CDMA) system with  ...  The studied system operates on the reverse link in a time-varying multipath Rayleigh fading channel.  ...  Time-varying Rayleigh fading channel is assumed in those papers, necessitating channel estimation for effective interference cancellation.  ... 
doi:10.1109/tvt.2005.851362 fatcat:nmqy6jyntjdzbfhq2hnkayptea

I/Q Interference in Device-to-Device Underlay Communication with Uplink Power Control

Udesh Oruthota, Olav Tirkkonen
2015 2015 IEEE 81st Vehicular Technology Conference (VTC Spring)  
Figure 2 .Figure 2 . 4 . 224 4 shows the SER performance when the mirror channels are completely uncorrelated in a Rayleigh fading environment.  ...  Note the significant error-floors due to the I/Q imbalance, which can be observed even SER performance vs SNR of the receiver I/Q imbalance-corrupted system in a Rayleigh fading environment for different  ... 
doi:10.1109/vtcspring.2015.7145866 dblp:conf/vtc/OruthotaT15 fatcat:e7fhilzchzf45nceolgcztjvqa

Cost Efficient High Capacity Indoor Wireless Access: Denser Wi-Fi or Coordinated Pico-cellular? [article]

Du Ho Kang, Ki Won Sung, Jens Zander
2012 arXiv   pre-print
To make this comparison, we assess the required AP density of three candidate systems for a given average demand: a Wi-Fi network, a conventional pico-cellular network with frequency planning, and an advanced  ...  Beyond this Wi-Fi network limit, the conventional pico-cellular network works and is cheaper than the joint processing in obstructed environments, e.g., furnished offices with walls.  ...  In contrast, significant technology-oriented studies evaluated performance of either W-Fi or cellular systems with more refined coordination models [11] - [21] .  ... 
arXiv:1211.4392v1 fatcat:as6gubojdbhw3g4ndedtsfqiei

An Interference-Managed Hybrid Clustering Algorithm to Improve System Throughput

Naureen Farhan, Safdar Rizvi
2022 Sensors  
In the current smart era of 5G, cellular devices and mobile data have increased exponentially.  ...  The simulation results show that by implementing the IMHC algorithm for SBSs in a three-tier heterogeneous network, the system throughput is improved with reduced interference.  ...  Successive interference cancellation technique. NOMA and CDMA.  ... 
doi:10.3390/s22041598 pmid:35214495 pmcid:PMC8879860 fatcat:5dqvhzac5bd4rkwoh2dknjcgha

Uplink Spectral Efficiency Analysis of In-Building Distributed Antenna Systems

Temitope Alade, Huiling Zhu, Jiangzhou Wang
2015 IEEE Transactions on Wireless Communications  
System performance is evaluated in terms of location-specific spectral efficiency for a range of potential mobile terminal (MT) locations and various in-building propagation characteristics.  ...  The impact of co-channel interference on system performance is investigated by using a propagation channel model derived from multifloor, in-building measurement results.  ...  To get better performance, the MMSEC is followed by a successive interference cancellation where the order of decoding MT is based on decreasing SINR [25] .  ... 
doi:10.1109/twc.2015.2416235 fatcat:rpkqtcidfrhc7iyvg776z3kodm

Non-Coherent and Backscatter Communications: Enabling Ultra-Massive Connectivity in the Era Beyond 5G [article]

Syed Junaid Nawaz, Shree Krishna Sharma, Babar Mansoor, Mohmammad N. Patwary, Noor M. Khan
2020 arXiv   pre-print
Various revolutionary technologies and innovative services are offered in 5G networks, which, along with many principal advantages, are anticipated to bring a boom in the number of connected wireless devices  ...  Recognizing the coherence between these technologies for their joint potential of delivering e-mMTC services in the B5G era, a comprehensive review of their state-of-the-art is conducted.  ...  Rayleigh fading channels.  ... 
arXiv:2005.10937v3 fatcat:nsyufug2dbbvzeribg4bgymyfa

Wireless Communications [chapter]

2014 Spectral Theory of Large Dimensional Random Matrices and Its Applications to Wireless Communications and Finance Statistics  
Indeed, cellular phones have become a critical business tool and part of everyday life in most developed countries, and are rapidly supplanting antiquated wireline systems in many developing countries.  ...  The explosive growth of wireless systems coupled with the proliferation of laptop and palmtop computers indicate a bright future for wireless networks, both as stand-alone systems and as part of the larger  ...  Radio paging systems were initially extremely successful, with a peak of 50 million subscribers in the U.S. alone.  ... 
doi:10.1142/9789814579063_0006 fatcat:odh2pnjdzraejhix7qsniu3jrm
« Previous Showing results 1 — 15 out of 463 results