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Centralized scheduling for joint transmission coordinated multi-point in LTE-Advanced

Stefan Brueck, Lu Zhao, Jochen Giese, M. Awais Amin
2010 2010 International ITG Workshop on Smart Antennas (WSA)  
In this paper, a centralized MAC scheduling approach for joint transmission coordinated multi-point (JT CoMP) is proposed.  ...  Coordinated multi-point transmission/reception is considered for LTE-Advanced as a tool to improve the coverage of high data rates, the cell-edge throughput and/or to increase the system throughput [1]  ...  CONCLUSION In this paper, non-coherent joint transmission CoMP with centralized scheduling was investigated.  ... 
doi:10.1109/wsa.2010.5456455 dblp:conf/wsa/BrueckZGA10 fatcat:v2hwh7wgmjak5gponhqpn2otnm

Radio Resource Management for eICIC, CoMP, Relaying and Back-Hauls Techniques in LTE-Advanced Networks, Concepts and a Literature Survey [article]

Najem N Sirhan, Manel Martinez-Ramon
2022 arXiv   pre-print
Another technique that was proposed by the 3GPP for the LTE-Advanced network that can reduce the Inter-Cell Interference and improve the cell-average and cell-edge user throughput is the Coordinated Multi-Point  ...  transmission and reception technique, in which it can increase the cell-average and cell-edge user throughput in both the uplink and downlink transmission by joint scheduling and data processing in multiple  ...  Another technique that was proposed by the 3GPP in LTE-Advanced system is the Coordinated Multi-Point (CoMP) transmission/reception technique, which increases the cell average and cell edge user throughput  ... 
arXiv:2208.14513v1 fatcat:fvknjjxn6bg6rozk5y66ndrwxa

On the Evolution of Coordinated Multi-Point (CoMP) Transmission in LTE-Advanced

Md. Shipon Ali
2014 International Journal of Future Generation Communication and Networking  
Coordinated Multi-Point (CoMP) operation has been considered as a powerful technology targeted for LTE-A standard to reduce interference, improve spectrum efficiency, increase data throughput and enhance  ...  effective coverage area, in particular for cell-edge users, by exploiting the interference signals from different transmission points.  ...  On the other hand, in [25] a centralised coordination of CBS-CoMP is proposed, where a BS is acts as a central unit in which a Master Scheduler is present, and jointly schedules multiple cells in a centralized  ... 
doi:10.14257/ijfgcn.2014.7.4.09 fatcat:ramu27nszrashif5ttgnjqctta

Coordinated multipoint transmission and reception in LTE-advanced: deployment scenarios and operational challenges

Daewon Lee, Hanbyul Seo, Bruno Clerckx, Eric Hardouin, David Mazzarese, Satoshi Nagata, Krishna Sayana
2012 IEEE Communications Magazine  
techniques to facilitate cooperative communications across multiple transmission and reception points (e.g., cells) for the LTE-Advanced system.  ...  TRANSMISSION POINT SELECTION (TPS) In LTE-Advanced, transmission point selection (TPS) is investigated by extending to an orthogonal frequency-division multiplexing (OFDM) system the idea of site selection  ... 
doi:10.1109/mcom.2012.6146494 fatcat:su3srrwpuzejfdbinrm4n4fxoa

Improving Performance-limited Interference System with Coordinated Multipoint Transmission

Aini Syuhada Md Zain, Abid Yahya, Mohd Fareq Abd. Malek, Normaliza Omar
2013 Procedia Engineering  
This paper describes an overview of the key component in coordinated multipoint in the context of LTE-Advanced which includes architectures and approaches that can be employed.  ...  A system model is proposed to employ the cooperative communication in interference-limited scenario which may help to improve the cell-edge performance.  ...  Long Term Evolution-Advanced (LTE-A) will utilize the standard interface X2 for these roles. There are several possible coordinating schemes available in the circumstance of LTE-Advanced.  ... 
doi:10.1016/j.proeng.2013.02.056 fatcat:tudz757hvncnnmggnpnthsm3ty

Interference Management for Future Cellular OFDMA Systems Using Coordinated Multi-Point Transmission

2010 IEICE transactions on communications  
In addition, feasibility of coordinated multi-point joint transmission is demonstrated in a real-time prototype setup, i.e. in the Berlin LTE-Advance Testbed.  ...  transmit beamforming using multiple base stations grouped into a wireless distributed network (WDN), which is denoted as coordinated multi-point joint transmission in the 3GPP LTE-Advanced standardization  ...  multi-point (CoMP) joint transmission (JT) in the 3GPP LTE-Advanced standardization ( Fig. 1(b) ).  ... 
doi:10.1587/transcom.e93.b.3228 fatcat:t7jmmpqqxzcrfp56hhdfcn5oxi

Interference Coordination Schemes for Wireless Mobile Advanced Systems: A Survey

Maissa Boujelben, Sonia Benrejeb, Sami Tabbane
2014 IOSR Journal of Electronics and Communication Engineering  
The lately released LTE-Advanced network was the first to completely fulfill 4G requirements. However, performance gains remain limited due to severe interference levels.  ...  This problem was addressed since earlier releases by coordinating transmission/reception among different cells. Many enhancements were then carried out by each subsequent specification.  ...  Coordinated Multi Point transmission / reception (CoMP) was initially brought forward in the study item of LTE-Advanced to meet the requirements of IMT-Advanced in 2008.  ... 
doi:10.9790/2834-09168090 fatcat:clm2otuztzgt5eomc2gajvcbxm

Analytical Modeling of Downlink CoMP in LTE-Advanced

Ahlem Khlass, Thomas Bonald, Salah Eddine Elayoubi
2015 2015 IEEE 81st Vehicular Technology Conference (VTC Spring)  
In this paper, we discuss several Coordinated Multi-Point (CoMP) schemes proposed for LTE-Advanced systems.  ...  We show that the intra-site coordination brings significant gains in beamforming systems, especially with the joint transmission scheme where the user throughput and the system capacity are improved.  ...  A promising candidate that is investigated in this paper is the Coordinated multi-point (CoMP) transmission technique [2] .  ... 
doi:10.1109/vtcspring.2015.7145704 dblp:conf/vtc/KhlassBE15 fatcat:bbwubynbujd2hdlieeuhz3hz4u

The evolution to 4G cellular systems: LTE-Advanced

Ian F. Akyildiz, David M. Gutierrez-Estevez, Elias Chavarria Reyes
2010 Physical Communication  
This paper provides an in-depth view on the technologies being considered for Long Term Evolution-Advanced (LTE-Advanced).  ...  Then, the main technologies for LTE-Advanced are explained, together with possible improvements, their associated challenges, and some approaches that have been considered to tackle those challenges.  ...  Vuran, Won-Yeol Lee and Linda Xie for their valuable comments that improved the quality of this paper.  ... 
doi:10.1016/j.phycom.2010.08.001 fatcat:fzwjk5w5e5fljdfiukjzrjgpsq

Survey on the Research Challenges of Radio Resource Management in LTE-A and the Current Proposed Solutions for these Challenges

Huthaifa Al-Jaradat, Kumbesan Sandrasegaran
LTE-Advanced is expected to outperform its predecessor (i.e.  ...  In order to allow such advances in the performance, Radio Resource Management (RRM) must be effectively utilized.  ...  Coordinated Multi-Point (CoMP) transmission/reception, where multiple eNBs are cooperated in order to enhance the performance of cell edge users, is anticipated to mitigate outages at cell edge.  ... 
doi:10.24297/ijct.v7i3.3442 fatcat:xiebuqte3jh7nmb353envgmpae

From LTE-advanced to the future

Matthew Baker
2012 IEEE Communications Magazine  
for scheduling and coordination between cells and between transmission/reception points.  ...  techniques (e.g., coherent or non-coherent joint transmission, coordinated scheduling, or coordinated beamforming) and reception techniques (e.g., minimum mean squared error [MMSE]-SIC) will generally  ... 
doi:10.1109/mcom.2012.6146490 fatcat:uedxw5zsnrfe7ls6vi5tu7ezea

An Overview on Interference Management in 3GPP LTE-Advanced Heterogeneous Networks

Md. Shipon Ali
2015 International Journal of Future Generation Communication and Networking  
advanced Coordinated Multi-Point (CoMP) transmission/reception, while comparing and contrasting their common features and differences.  ...  Finally, Carrier Aggregation (CA) is explored in detail as an advanced and challenging mechanism in order to have an efficient resource allocation and intercell interference mitigation in LTE-Advanced  ...  Also, in downlink scenarios, CoMP transmissions are classified as Coordinated Beam-Switching (CBS-CoMP), Coordinated Scheduling (CS-CoMP), Joint Transmission (JT-CoMP) and Dynamic Point Selection (DPS-CoMP  ... 
doi:10.14257/ijfgcn.2015.8.1.07 fatcat:tgemd2q3nzaf3gpwgyg2sjxi6y

Energy Efficiency and Capacity Evaluation of LTE-Advanced Downlink CoMP Schemes Subject to Channel Estimation Errors and System Delay

Gencer Cili, Halim Yanikomeroglu, F. Richard Yu
2013 2013 IEEE 78th Vehicular Technology Conference (VTC Fall)  
filter memory spans only for the points which are more likely to be included in the joint transmission set.  ...  In order to mitigate the effects of channel estimation errors and system delay, we propose a framework for multi-point channel estimation in CoMP systems using a time-varying interpolation filter which  ...  very crucial for performance of Release 11 coordinated LTE-A systems.  ... 
doi:10.1109/vtcfall.2013.6692183 dblp:conf/vtc/CiliYY13 fatcat:qbmn2b3eirda7dgl4gnrpqyrsi

Discrete-event simulation of coordinated multi-point joint transmission in LTE-Advanced with constrained backhaul

Matteo Artuso, Henrik Christiansen
2014 2014 11th International Symposium on Wireless Communications Systems (ISWCS)  
Inter-cell interference in LTE-Advanced can be mitigated using coordinated multi-point (CoMP) techniques with joint transmission of user data.  ...  In this paper we use discrete-event simulation to evaluate the latency requirements for the X2 interface and investigate the consequences of a constrained backhaul.  ...  ACKNOWLEDGMENT This work was partially sponsored by the 7 th Framework Programme for Research of the European Commission HARP project, under grant number HARP-318489.  ... 
doi:10.1109/iswcs.2014.6933329 dblp:conf/iswcs/ArtusoC14 fatcat:vpcyutshrngz7j5xld4laspoja

Coordinated downlink multi-point communications in heterogeneous cellular networks

A. Barbieri, P. Gaal, S. Geirhofer, T. Ji, D. Malladi, Y. Wei, F. Xue
2012 2012 Information Theory and Applications Workshop  
Even though the schemes described in this paper apply to long term evolution (LTE) wireless networks, we point out that most of the findings and conclusions we draw apply to any cellular network. 1 An  ...  a macro BS and a pico BS are the transmission power, which is typically 10-20dB lower in pico BS [6] , and the antenna height and gain.  ...  Furthermore, for the sake of clarity, we assume that all UEs in the system are advanced UEs featuring the multi-hypothesis feedback discussed in Section V-A, although we point out that supporting legacy  ... 
doi:10.1109/ita.2012.6181826 dblp:conf/ita/BarbieriGGJMWX12 fatcat:3odeexf6pvbkzeg6jopqwiryh4
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