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Coordinated multi-point (CoMP) communication is attractive for heterogeneous cellular networks (HCNs) for interference reduction. However, previous approaches to CoMP face two major hurdles in HCNs. First, they usually ignore the inter-cell…

Information Theory · Computer Science 2012-10-22 Ping Xia , Chun-Hung Liu , Jeffrey G. Andrews

Coordinated multi-point (CoMP) transmission has been widely recognized as a spectrally efficient technique in future cellular systems. To exploit the abundant patial resources provided by the cooperating base stations, however, considerable…

Networking and Internet Architecture · Computer Science 2012-09-03 Qian Zhang , Chenyang Yang

In theory coordinated multi-point transmission (CoMP) promises vast gains in spectral efficiency. But industrial field trials show rather disappointing throughput gains, whereby the major limiting factor is proper sharing of channel state…

Information Theory · Computer Science 2016-11-18 Jan Schreck , Gerhard Wunder , Peter Jung

Multi-tier networks with large-array base stations (BSs) that are able to operate in the "massive MIMO" regime are envisioned to play a key role in meeting the exploding wireless traffic demands. Operated over small cells with…

Information Theory · Computer Science 2015-05-05 Qiaoyang Ye , Ozgun Y. Bursalioglu , Haralabos C. Papadopoulos

Modern cellular networks in traditional frequency bands are notoriously interference-limited especially in urban areas, where base stations are deployed in close proximity to one another. The latest releases of Long Term Evolution (LTE)…

Information Theory · Computer Science 2016-11-15 George C. Alexandropoulos , Paul Ferrand , Jean-Marie Gorce , Constantinos B. Papadias

Coordinated Multi-Point (CoMP) is known to be a key technology for next generation mobile communications systems, as it allows to overcome the burden of inter-cell interference. Especially in the uplink, it is likely that interference…

Information Theory · Computer Science 2010-02-18 Patrick Marsch , Gerhard Fettweis

We study low-signalling overhead scheduling for downlink coordinated multi-point (CoMP) transmission with multi-antenna base stations (BSs) and single-antenna users. By exploiting the asymmetric channel feature, i.e., the pathloss…

Information Theory · Computer Science 2015-05-27 Shengqian Han , Chenyang Yang , Mats Bengtsson

In this work we investigate the network MIMO techniques of interference alignment (IA) and fully adaptive joint transmission coordinated multipoint (CoMP) in an indoor very small cell environment. Our focus is on the overheads in a system…

Information Theory · Computer Science 2014-03-18 Per Zetterberg

Inter-cell interference (ICI) is one of the major performance-limiting factors in the context of modern cellular systems. To tackle ICI, coordinated multi-point (CoMP) schemes have been proposed as a key technology for next-generation…

Information Theory · Computer Science 2019-03-29 Hamed Pezeshki , Masoumeh Sadeghi , Martin Haenggi , J. Nicholas Laneman

This paper considers a multicell downlink channel in which multiple base stations (BSs) cooperatively serve users by jointly precoding shared data transported from a central processor over limited-capacity backhaul links. We jointly design…

Information Theory · Computer Science 2017-03-20 Kien-Giang Nguyen , Quang-Doanh Vu , Markku Juntti , Le-Nam Tran

In this letter, we propose a new coordinated multipoint (CoMP) technique based on mutual information (MI) accumulation using rateless codes. Using a stochastic geometry model for the cellular downlink, we quantify the performance…

Information Theory · Computer Science 2017-02-14 Amogh Rajanna , Martin Haenggi

We outline a general framework to use coordinated multi-point (CoMP) transmission technology in downlink multi-cell non-orthogonal multiple access (NOMA) systems considering distributed power allocation at each cell. In this framework, CoMP…

Networking and Internet Architecture · Computer Science 2017-03-29 Md Shipon Ali , Ekram Hossain , Dong In Kim

To satisfy the requirement of the fifth generation (5G) mobile communications that offers an ultra high data rate of 100Mbps to 1Gbps anytime and anywhere, the coordinated multipoint (CoMP) technique is proposed to mitigate inter-cell…

Networking and Internet Architecture · Computer Science 2019-02-05 Jiaqi Chen , Xiaohu Ge , Yi Zhong , Yonghui Li

As network deployments become denser, interference arises as a dominant performance degradation factor. To confront with this trend, Long Term Evolution (LTE) incorporated features aiming at enabling cooperation among different base…

Information Theory · Computer Science 2017-01-24 George C. Alexandropoulos , Paul Ferrand , Constantinos B. Papadias

We propose a method to improve the performance of the downlink coordinated multipoint (DL CoMP) in heterogeneous fifth generation New Radio (NR) networks. The standards-compliant method is based on the construction of a surrogate CoMP…

Networking and Internet Architecture · Computer Science 2019-03-18 Faris B. Mismar , Brian L. Evans

In this paper, we pursue a unified study on smart grid and coordinated multi-point (CoMP) enabled wireless communication by investigating a new joint communication and energy cooperation approach. We consider a practical CoMP system with…

Information Theory · Computer Science 2016-11-15 Jie Xu , Rui Zhang

Base station (BS) cooperative transmission, also known as coordinated multi-point transmission (CoMP), is an effective way to avoid inter-cell interference in universal frequency reuse cellular systems. To gain the promised benefit,…

Information Theory · Computer Science 2010-04-28 Xueying Hou , Chenyang Yang

Multi-cell wireless systems usually suffer both intra-cell and inter-cell interference, which can be mitigated via coordinated multipoint (CoMP) techniques. Previous works on multi-cell analysis for the microwave band generally consider…

Information Theory · Computer Science 2018-03-13 Shu Sun , Theodore S. Rappaport , Mansoor Shafi

Coordinated multipoint (CoMP) communications are considered for the fifth-generation (5G) small-cell networks as a tool to improve the high data rates and the cell-edge throughput. The average achievable rates of the small-cell base…

Networking and Internet Architecture · Computer Science 2017-08-25 Fen Bin , Jiaqi Chen , Xiaohu Ge , Wei Xiang

Coordinated multi-point (CoMP) transmission is a cooperating technique among base stations (BSs) in a cellular network, with outstanding capability at inter-cell interference (ICI) mitigation. ICI is a dominant source of error, and has…

Information Theory · Computer Science 2020-01-22 Yan Li , Minghua Xia , Sonia Aïssa
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