Showing 1-25 of 8,382 resultsfor "Index Terms":LTE
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Priority and Buffer Based Admission Control in Relay-enhanced LTE-A systems
European Wireless 2013; 19th European Wireless Conference
Year: 2013 | Conference Paper |
Relay Nodes (RNs) introduction is one of the main features of LTE-Advanced (LTE-A) with the aim of enhancing network coverage and capacity at cell-edge. However, a proper admission control scheme is required to increase the total number of admitted users in the system. This work proposes the implementation and evaluation of three types of admission control schemes taking into account the optimal r...Show More
Priority and Buffer Based Admission Control in Relay-enhanced LTE-A systems
Year: 2013 | Conference Paper |
Timing of resource releasing for group mobility in LTE-Advanced network
Chun-Chuan Yang;Jeng-Yueng Chen;Yi-Ting Mai;Ching-Hsiang Liang
2013 IEEE International Symposium on Consumer Electronics (ISCE)
Year: 2013 | Conference Paper |
Recently, LTE-Advanced is a mobile communication standard and high wireless bandwidth technology, formally submitted as a candidate 4G solution in the world. The major difference between 3GPP Release 10 (Rel-10) LTE-Advanced and the original LTE (Rel-8) is a new entity called relay node (RN) introduced in Rel-10. Since both backhaul link and access link of relay node are radio interface, the RN mi...Show More
BER analysis of single/multi-user LTE and LTE- A systems
2014 IEEE International Advance Computing Conference (IACC)
Year: 2014 | Conference Paper |
Cited by: Papers (5)
Multi-input-multi-output (MIMO) systems along with orthogonal frequency division multiplexing (OFDM) technique plays a crucial role in 4G based wireless networks. The inclusion of MIMO technology enables new types of links such as downlink multi-user communication. Long term evolution (LTE) systems are based on multi-user MIMO technologies, which have flexible bandwidths. In this paper, we derived...Show More
An efficient downlink packet scheduling algorithm in LTE-Advanced systems with Carrier Aggregation
2011 IEEE Consumer Communications and Networking Conference (CCNC)
Year: 2011 | Conference Paper |
Carrier Aggregation (CA) is one of the promising features to support the much wider bandwidth for packet transmissions in Long Term Evolution-Advanced (LTE-A) systems. To the best of our knowledge, works regarding the packet scheduling algorithm in LTE-A systems with the CA mechanism have not thoroughly been investigated yet till now. In this paper, we therefore aim to design an efficient packet s...Show More
Impact of small cell deployments on mobility performance in LTE-Advanced systems
2013 IEEE 24th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC Workshops)
Year: 2013 | Conference Paper |
Cited by: Papers (19)
The use of small cell deployments in heterogeneous networks (HetNet) environments is considered a promising strategy to cope with the explosion in mobile traffic. In the deployments, there is a concern that the large number of small cells causes the signalling load on the network nodes to increase due to frequent handovers (HOs) and mobility robustness to be degraded due to increased handover fail...Show More
Service differentiation strategy based on MACB factor for M2M Communications in LTE-A Networks
2016 13th IEEE Annual Consumer Communications & Networking Conference (CCNC)
Year: 2016 | Conference Paper |
Cited by: Papers (17)
One of the promising technologies which is being regarded in the future 5G standard long Term Evolution (LTE) Release 13 is Machine-to-Machine or M2M communications. It represents a key component of Internet of Things (IoT) and smart spaces. One of the most difficult challenges to support M2M communications is their huge number compared to available radio resources. Hence, to deal with random acce...Show More
Performance evaluation of handover in LTE-Advanced systems with pico cell Range Expansion
Koichiro Kitagawa;Toshihiko Komine;Toshiaki Yamamoto;Satoshi Konishi
2012 IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications - (PIMRC)
Year: 2012 | Conference Paper |
Cell Range Expansion (CRE) combined with Inter-Cell Interference Coordination (ICIC) in Heterogeneous Networks (HetNet) is a promising technique to enhance the utilization of the resource in pico cells. CRE increases the number of the UE sets connected to pico cells (pico UEs) by changing the trigger timing of the handover (HO). However, inappropriate trigger timing of HO increases HO failures and...Show More
Scheduling policies based on dynamic throughput and fairness tradeoff control in LTE-A networks
Ioan Sorin Comşa;Mehmet Aydin;Sijing Zhang;Pierre Kuonen;Jean-Frederic Wagen;Yao Lu
39th Annual IEEE Conference on Local Computer Networks
Year: 2014 | Conference Paper |
Cited by: Papers (13)
In LTE-A cellular networks there is a fundamental trade-off between the cell throughput and fairness levels for preselected users which are sharing the same amount of resources at one transmission time interval (TTI). The static parameterization of the Generalized Proportional Fair (GPF) scheduling rule is not able to maintain a satisfactory level of fairness at each TTI when a very dynamic radio ...Show More
A distributed joint power control and mode selection scheme for D2D communication underlaying LTE-A networks
2016 IEEE Wireless Communications and Networking Conference
Year: 2016 | Conference Paper |
Cited by: Papers (12)
In addition to providing high data rate, Device-to-Device (D2D) communication reduces the transmit power of users and improve spatial spectrum reuse significantly. In this paper, we formulate the joint power control and mode selection problem for D2D communications underlaying LTE-A network for minimizing the aggregate transmit power of users subject to a minimum target throughput for each cellula...Show More
Component carrier selection for LTE-A systems in diverse coverage carrier aggregation scenario
2012 IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications - (PIMRC)
Year: 2012 | Conference Paper |
Cited by: Papers (12)
Each UE can aggregate multiple component carriers (CCs) as a wider band to support the demand of higher data rates in LTE-Advanced (LTE-A) systems with carrier aggregation (CA). An appropriate CC selection is necessary in order to improve the utility of CA, since not all CCs benefit from CA due to bad channel quality of some CCs. Most of existing methods only take one aspect of problems into accou...Show More
Performance analysis of scheduling policies for VoIP traffic in LTE-Advanced network
Aini Syuhada Md Zain;Mohd Fareq Abd. Malek;Mohamed Elshaikh;Normaliza Omar;Abadal-Salam T. Hussain
2015 International Conference on Computer, Communications, and Control Technology (I4CT)
Year: 2015 | Conference Paper |
Cited by: Papers (8)
Resource allocation mechanisms are important in assigning all available resources in the network. Scheduling is one of the resource allocation mechanism which will determine the performance of the network. This paper provides the performance analysis on three different scheduling algorithms in the Long Term Evolution-Advanced downlink transmission system with realistic channel model for urban macr...Show More
System performance of LTE-advanced network with D2D multi-hop communication
2013 3rd International Conference on Consumer Electronics, Communications and Networks
Year: 2013 | Conference Paper |
Cited by: Papers (6)
This paper studies the tight integration of D2D communication into an LTE-Advanced network and the performance of D2D multi-hop communication. The main focus is on the capacity of the proposed system with multiple idle UEs acting as relays. The relays are chosen to form multi-hop communication and connect with both active UEs through D2D technology. Further, we present numerical results based on t...Show More
A quantized water-filling packet scheduling scheme for downlink transmissions in LTE-Advanced systems with Carrier Aggregation
SoftCOM 2010, 18th International Conference on Software, Telecommunications and Computer Networks
Year: 2010 | Conference Paper |
Carrier Aggregation (CA) is one of the promising features in Long Term Evolution-Advanced (LTE-A) systems. Till now, works regarding the packet scheduling scheme with CA in different frequency bands have not completely been studied and evaluated yet. Thus, the purpose of this work aims to explore such issue and presents an efficient quantized water-filling packet scheduling algorithm for high-data...Show More
Investigation of the impact of different scheduling algorithm for Macro-Femto-Cells over LTE-A networks
Ayman Hajjawi;Mahamod Ismail;Nor Fadzilah Abdullah;Mhd Nour Hindia;Ahmed M. Al-Samman;Effariza Hanafi
2016 IEEE 3rd International Symposium on Telecommunication Technologies (ISTT)
Year: 2016 | Conference Paper |
Cited by: Papers (5)
The importance of small cells deployments in cellular systems are becoming more apparent days after days since the benefits in terms of number of users that can be supported, the offered bandwidth and power consumption are obviously enormous as the wireless networks continue to get more congested. In this paper, a number of well-known scheduling schemes namely, Round Robin (RR), Proportional Fairn...Show More
Novel Packet Scheduling Algorithm Based on Cross Component Carrier in LTE-Advanced Network with Carrier Aggregation
Mohammed A.M. Al-Shibly;Mohamed Hadi Habaebi;Md. Rafiqul Islam
2014 International Conference on Computer and Communication Engineering
Year: 2014 | Conference Paper |
Cited by: Papers (5)
LTE-Advanced offers significantly higher data rates than the legacy system. The carrier aggregation (CA) technology allows scalable expansion of effective bandwidth provided to user equipment (UE) through simultaneous utilization of radio resources across multi-component carriers. In this paper we propose a new packet scheduling (PS) criterion algorithm that satisfies the fairness among the differ...Show More
Novel resource scheduling for spectral efficiency in LTE-advanced systems with macrocells and femtocells
The 8th Electrical Engineering/ Electronics, Computer, Telecommunications and Information Technology (ECTI) Association of Thailand - Conference 2011
Year: 2011 | Conference Paper |
Cited by: Papers (5)
The envisaged high data rates of Long Term Evolution- Advanced (LTE-Advanced) systems necessitate the requirement of high spectral efficiency. To meet the spectral efficiency requirements of LTE-Advanced systems, a novel resource scheduling algorithm is proposed in this paper. Since LTE-Advanced systems are expected to be deployed in a two-tier cell architecture, where femtocells will be deployed ...Show More
System level performance of energy efficient dynamic mechanical antenna tilt angle switching in LTE-Advanced systems
2013 IEEE International Wireless Symposium (IWS)
Year: 2013 | Conference Paper |
Energy consumption in current cellular communication systems becomes more and more critical with the demand for higher throughput and explosive growth of terminal equipment. However, the consumption is evitable in low traffic load time or area, e.g. in late-night. In order to reduce system energy consumption, power off low load base stations is an easy and effective way to reduce energy consumptio...Show More
Dynamic MBSFN subframe allocation algorithm for bursty video traffic in LTE-Advanced network
2018 IEEE Wireless Communications and Networking Conference (WCNC)
Year: 2018 | Conference Paper |
Cited by: Papers (4)
The limited radio-frequency spectrum is a major problem for wireless communications, especially for the 4G and 5G systems which are expected to offer very high transmission rates. One of the most prominent solutions for this problem is to utilize efficiently the limited resources to transmit various services including the high bandwidth-consuming audio and video applications. Multimedia broadcast/...Show More
Tabu Approach for Adaptive Resource Allocation and Selection Carrier Aggregation in LTE-Advanced Network
2016 IEEE International Conference on Computer and Information Technology (CIT)
Year: 2016 | Conference Paper |
Cited by: Papers (4)
In this paper, we propose, a new scheduling algorithm for LTE-A uplink systems entitled Multi-user Resource Allocation Process (MURAP). The latter supports uplink multi-user transmissions. Indeed, the main contribution of this work is to allocate the Physical Resources Blocks (PRBs) of all Component Carriers (CCs) to Real Time (RT) and-non Real Time (NRT) users using various criteria. Our proposed...Show More
A mechanism to control the congestion in machine-to-machine communication in LTE-A networks
2017 IEEE Symposium on Computers and Communications (ISCC)
Year: 2017 | Conference Paper |
Cited by: Papers (3)
Machine-to-machine communication (M2M) is a core elements in the Internet of Things (IoT) vision. Due to the large number of devices expected, the Long-term Evolution-Advanced (LTA-A) networks may present congestion and overload problems. In this paper, we present two approaches to mitigate the impact of M2M communication in LTE-A. We model such overloaded scenario as a bankruptcy problem and appl...Show More
Handover control parameter configuration in LTE-A network
2017 International Conference on Innovations in Electronics, Signal Processing and Communication (IESC)
Year: 2017 | Conference Paper |
Cited by: Papers (3)
The adoption of UE-assisted, network controlled and hard Handover (HO) procedure in LTE-A HetNet impose several challenges. It results in tremendous increase in HO failure, frequent and unnecessary HO when compared to Homogeneous Network. To overcome these challenges, the HO procedure need to be triggered in time by proper configuration of HO control parameters in consideration with the Environmen...Show More
Distributed and Prioritised Scheduling to Implement Carrier Aggregation in LTE Advanced Systems
2014 Fourth International Conference on Advanced Computing & Communication Technologies
Year: 2014 | Conference Paper |
Cited by: Papers (3)
LTE-Advanced systems support multi-carrier with non-contiguous, asymmetric and cross band-class operations to ensure full flexibility of the spectral deployment. The component carriers employed in Spectrum Aggregation need not to be adjacent and symmetric. However they could be in different frequency bands. The eNodeB or UE in the LTE-Advanced systems that adopts Spectrum Aggregation simultaneousl...Show More
Traffic regulation for power saving in LTE-A networks supporting video-on-demand services
2016 Eighth International Conference on Ubiquitous and Future Networks (ICUFN)
Year: 2016 | Conference Paper |
Cited by: Papers (3)
To reduce power consumption of smart phones, this work proposes a traffic regulation scheme for DRX-based LTE/LTE-A networks to support video-on-demand (VoD) services. To implement the time slicing at the base station for reducing power consumption of smart phones, a regulation buffer is allocated at the base station. All incoming packets for individual user equipments (UEs) are temporarily buffer...Show More
Identification of interferers in Het-Net in LTE-A systems based on FeICIC with cell range expansion
2013 International Conference of Information and Communication Technology (ICoICT)
Year: 2013 | Conference Paper |
Cited by: Papers (2)
In LTE-Advanced (LTE-A), heterogeneous networks (HetNet) comprising of pico and femto cells are laid onto the traditional well planned macro cells, are extensively investigated for improving the overall system throughput. Cell range expansions (CRE) are effectively used in HetNets to enhance the system coverage as well as the cell-edge throughput. In a HetNet there is a severe interference specifi...Show More
Optimal asymmetric resource allocation for dual-hop multi-relay LTE-Advanced systems in the downlink
2013 IEEE International Conference on Communications (ICC)
Year: 2013 | Conference Paper |
Cited by: Papers (2)
We propose an optimal asymmetric resource allocation (ARA) algorithm for the decode-and-forward (DF) dualhop multi-relay Long Term Evolution Advanced (LTE-Advanced) system in the downlink, with orthogonal frequency division multiplexing (OFDM) transmission. Our work is different in that the time slots for the two hops via each of the relays are designed to be asymmetric, i.e., with K relays in the...Show More
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