Filters








5,016 Hits in 3.3 sec

Relay Enhanced LTE-Advanced Networks

2016 International Journal of Science and Research (IJSR)  
such as Orthogonal Frequency-Division Multiplexing (OFDM), Coordinated Multi-Point transmission (CoMP), Multiple-Input Multiple-Output (MIMO) and Carrier Aggression and issues involved in its implementations  ...  which aims to improve the already existing Long Term Evolution (LTE-Release 8) technology.  ...  evolution (SAE) is employed.  ... 
doi:10.21275/v5i2.nov161386 fatcat:622jm543lnh37em6vxkrhviuky

Overview of Beyond 4G-LTE Wireless Transmission Technologies

Ms. Shalini, Anoop Tiwari
2019 International Journal on Recent and Innovation Trends in Computing and Communication  
Non-orthogonal multiple access (NOMA) is a promising applicant innovation for 5G cell systems. By and by MIMO-OFDM remote innovations are utilizing in 4G LTE development remote correspondence.  ...  This paper examine about the job of MIMO-OFDM and NOMA as principal contributing execution factors in past 4G LTE Remote Transmission Innovation from a specialized point of view.  ...  by the clients with solid CSI, which fundamentally improves the spectral efficiency. non-orthogonal multiple access (NOMA) has been as of late proposed for 3GPP Long Term Evolution (LTE) and imagined  ... 
doi:10.17762/ijritcc.v7i6.5334 fatcat:qqcvgeiiszekvhmkczgpv4dmhi

Evolution of reference signals for LTE-advanced systems

Young-Han Nam, Yosuke Akimoto, Younsun Kim, Moon-il Lee, Kapil Bhattad, Anthony Ekpenyong
2012 IEEE Communications Magazine  
This article presents technology advancements of reference signals to efficiently support the enhanced transmission schemes newly introduced in LTE-Advanced.  ...  CONCLUSION In this article, technology advancements of reference signals to efficiently support enhanced transmission schemes newly introduced in LTE-Advanced were overviewed.  ... 
doi:10.1109/mcom.2012.6146492 fatcat:5ayxj4phozfsvj7zysny4c2scu

5GNOW: Challenging the LTE Design Paradigms of Orthogonality and Synchronicity

Gerhard Wunder, Martin Kasparick, Stephan ten Brink, Frank Schaich, Thorsten Wild, Ivan Gaspar, Eckhard Ohlmer, Stefan Krone, Nicola Michailow, Ainoa Navarro, Gerhard Fettweis, Dimitri Ktenas (+4 others)
2013 2013 IEEE 77th Vehicular Technology Conference (VTC Spring)  
It will question the design targets of LTE and LTE-Advanced having these shortcomings in mind and the obedience to strict synchronism and orthogonality will be challenged.  ...  Wireless transmission networks following the outcomes of 5GNOW will be better suited to meet the manifoldness of services, device classes and transmission setups present in envisioned future scenarios  ...  This is the scenario of the current 4G generation with the most prominent example LTE-A (Long Term Evolution -Advanced).  ... 
doi:10.1109/vtcspring.2013.6691814 dblp:conf/vtc/WunderKBSWGOKMNFKBDPE13 fatcat:ap2im3ma35ehtdhf2iixnuzkje

A COMPREHENSIVE REVIEW OF MODULATION TECHNIQUES USED IN LONG TERM EVOLUTION

Sunita Kumari, T. L. Singal
2015 Journal on Today s Ideas-Tomorrow s Technologies  
3rd generation Partnership Project (3gPP) has come up with a technology called Long Term Evolution (LTE) to attain a new high speed radio access in the field of mobile communications.  ...  There are number of factors involved in the performance of a LTE system.  ...  Within LTE this is the only non synchronized sequence transmission due to limited battery power.  ... 
doi:10.15415/jotitt.2015.31006 fatcat:dvj3bfu5lzgbjerqxxdrnevjva

Comparison of 3GPP LTE and 3GPP2 UMB

Swati Juneja, Abhinav Juneja, Mohit Juneja
2011 International journal of computer and communication technology  
In the last years, technology evolution in mobile communications is mainly motivated by three relevant agents: (1) the market globalization and liberalization and the increasing competence among vendors  ...  In this paper we have conducted a comparative study between UMB and 3GPP LTE by focusing on their first layers, i.e. Physical layer.  ...  The reverse link supports quasi-orthogonal transmission: orthogonal transmission based on OFDMA technique and non-orthogonal across multiple receives antennas.  ... 
doi:10.47893/ijcct.2011.1073 fatcat:ct2qbsw4drgp3b67jx5rjukjk4

Performance Evaluation of Downlink Non Contiguous Carrier Aggregation in LTE-A

Diksha Duggal, Jyoteesh Malhotra, Khushboo Arora
2015 International Journal of Signal Processing, Image Processing and Pattern Recognition  
Long Term Evolution-Advanced (LTE-A) has brought revolution in the field of wireless communication technology by providing high data rates of up to 1Gbps.  ...  To achieve such high data rate in IMT-Advanced mobile systems, carrier aggregation technology by 3GPP has been introduced to support very-high-data rate transmissions over wide frequency bandwidth in the  ...  LTE Advanced has brought revolution in the field of wireless communication technology by providing high data rates of up to 1Gbps.  ... 
doi:10.14257/ijsip.2015.8.9.29 fatcat:aiibovpclfamni4dknkenxahxa

Review on Performance Analysis of SNR Using BPSK

Prof. Patil S.M., Miss. Prachi Zodpe
2017 IJARCCE  
This introduces and compare features of two advance technologies in physical layer, and also gives performance analysis of different modulation schemes (BPSK, QPSK, and 16-QAM) in WiMAX & LTE technologies  ...  Relay technologies have been studied & considered in the standardization process of the next generation of MIMO system, such as LTE 8, Advance LTE 10, IEEE 802.16e, IEEE 802.16m.  ...  Evolution of Advanced Technologies LTE The IEEE 802.16 group subsequently produced 802.16a, an amendment to the standard, to include NLOS applications in the 2GHz-11GHz band, using an orthogonal frequency  ... 
doi:10.17148/ijarcce.2017.64118 fatcat:ekf7gvrpafhczjhhtrl4w4snhe

Spectrum sharing improves the network efficiency for cellular operators

Eduard Jorswieck, Leonardo Badia, Torsten Fahldieck, Eleftherios Karipidis, Jian Luo
2014 IEEE Communications Magazine  
The article is based on a white paper maintained in the last three years by the SAPHYRE partners. 5  ...  ACKNOWLEDGEMENTS The help from the colleagues in the SAPHYRE External Advisory Board is appreciated. The authors thank all colleagues from the SAPHYRE project for interesting discussions.  ...  Considering the evolution path of LTE, 3GPP Rel-11 [4] will provide CoMP.  ... 
doi:10.1109/mcom.2014.6766097 fatcat:yzwass6adrbvxo4wjqdjnw6xwe

Spectrally Efficient Frequency Division Multiplexing in LTE Downlink

Buthaina M. Omran, Hajer S. Mohammed Redha
2016 IJARCCE  
Orthogonal frequency division multiplexing (OFDM) is a very well-known technique for efficient data transmission over many carriers overlapped in frequency.  ...  SEFDM systems propose bandwidth savings when compared to OFDM systems by multiplexing multiple non orthogonal overlapping carriers.  ...  The air interface of LTE technology is based on Orthogonal Frequency Division Multiple Access (OFDMA) and Single Carrier Frequency Division Multiple Access (SC-FDMA) in the downlink and Uplink respectively  ... 
doi:10.17148/ijarcce.2016.5127 fatcat:5rvdxtdguvey5kxzq5mh2vcq24

The Evolution of LTE towards IMT-Advanced

Stefan Parkvall, David Astely
2009 Journal of Communications  
This paper provides a high-level overview of some technology components currently considered for the evolution of LTE, referred to as LTE-Advanced.  ...  The technology components considered for LTE-Advanced include extended spectrum flexibility to support up to 100MHz bandwidth, enhanced multi-antenna solutions with up to eight layer transmission in the  ...  Inter-Cell Interference Coordination LTE provides orthogonality between users within a cell in both uplink and downlink, i.e. at least in principle there is no interference between transmissions within  ... 
doi:10.4304/jcm.4.3.146-154 fatcat:tggvy64wdzfhpolvoam7yd76ne

3GPP LTE/SAE: An Overview

S. M. Chadchan, C. B. Akki
2010 International Journal of Computer and Electrical Engineering  
The paper provides the valuable and concise information to the researchers in the area of 3GPP LTE and 4G.  ...  The paper presents the technical overview of Long Term Evolution (LTE)/ System Architecture Evolution (SAE), the QoS provisioning aspects of Evolved Packet System (EPS), the key research challenges and  ...  The LTE uses Orthogonal Frequency Division Multiplexing (OFDM) as its radio access technology, together with advanced antenna technologies.  ... 
doi:10.7763/ijcee.2010.v2.232 fatcat:wjg7sdydcnch7ftpycyw6euzvq

Evolution of LTE toward IMT-advanced

Stefan Parkvall, Anders Furuskar, Erik Dahlman
2011 IEEE Communications Magazine  
This paper provides a high-level overview of some technology components currently considered for the evolution of LTE, referred to as LTE-Advanced.  ...  The technology components considered for LTE-Advanced include extended spectrum flexibility to support up to 100MHz bandwidth, enhanced multi-antenna solutions with up to eight layer transmission in the  ...  Inter-Cell Interference Coordination LTE provides orthogonality between users within a cell in both uplink and downlink, i.e. at least in principle there is no interference between transmissions within  ... 
doi:10.1109/mcom.2011.5706315 fatcat:eatdtbyw4vd5xk3ysl75qwpoka

High throughput in Uplink SC-FDMA Systems with Multicell Processing

Sapna Kumari, Bramha S.Tripathi, Shilpi Sharma
2016 International Journal of Computer Applications  
This, however, often leads to high interference levels in cellular networks operating with universal frequency reuse, such as the 3GPP UTRAN Long Term Evolution (LTE).  ...  For uplink in multiuser major issue to maintain throughput of the system.  ...  LTE Long-Term Evolution (LTE) is the air interface supporting fourth generation cellular networks.  ... 
doi:10.5120/ijca2016911321 fatcat:kno3plmtgvfirejafnhowgki3q

Candidate architecture for MIMO LTE-Advanced receivers with multiple channels capabilities and reduced complexity and cost

Ioan Burciu, Matthieu Gautier, Guillaume Villemaud, Jacques Verdier
2011 2011 IEEE Radio and Wireless Symposium  
In this paper, a candidate architecture for LTE-Advanced receiver is proposed.  ...  Simulation results show that, in a Gaussian case, the bit error rate does not increase significantly when using this architecture.  ...  These results were obtained in simulation using the ADS software provided by Agilent Technologies, the input signals chosen are two non-overlapping 802.11g channels.  ... 
doi:10.1109/rws.2011.5725448 fatcat:xly3onzh5ver5cl3mpn4u52ria
« Previous Showing results 1 — 15 out of 5,016 results