English
Related papers

Related papers: Inter-Tenant Cooperative Reception for C-RAN Syste…

200 papers

Spectrum pooling allows multiple operators, or tenants, to share the same frequency bands. This work studies the optimization of spectrum pooling for the downlink of a multi-tenant Cloud Radio Access Network (C-RAN) system in the presence…

Information Theory · Computer Science 2017-10-18 Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

The cloud radio access network (C-RAN) is a promising network architecture for future mobile communications, and one practical hurdle for its large scale implementation is the stringent requirement of high capacity and low latency fronthaul…

Information Theory · Computer Science 2015-06-23 Xiongbin Rao , Vincent K. N. Lau

This paper investigates the compress-and-forward scheme for an uplink cloud radio access network (C-RAN) model, where multi-antenna base-stations (BSs) are connected to a cloud-computing based central processor (CP) via capacity-limited…

Information Theory · Computer Science 2016-11-18 Yuhan Zhou , Yinfei Xu , Wei Yu , Jun Chen

This paper considers the uplink of a cloud radio access network (C-RAN) comprised of several multi-antenna remote radio units (RUs) which send the data that they received from multiple mobile users (MUs) to a central unit (CU) via a…

Information Theory · Computer Science 2017-04-20 Marzieh Najafi , Vahid Jamali , Derrick Wing Kwan Ng , Robert Schober

The gains afforded by cloud radio access network (C-RAN) in terms of savings in capital and operating expenses, flexibility, interference management and network densification rely on the presence of high-capacity low-latency fronthaul…

Information Theory · Computer Science 2016-08-29 Osvaldo Simeone , Jinkyu Kang , Joonhyuk Kang , Shlomo Shamai

This paper considers a downlink transmission of cloud radio access network (C-RAN) in which precoded baseband signals at a common baseband unit are compressed before being forwarded to radio units (RUs) through limited fronthaul capacity…

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

Uplink-downlink duality refers to the fact that the Gaussian broadcast channel has the same capacity region as the dual Gaussian multiple-access channel under the same sumpower constraint. This paper investigates a similar duality…

Information Theory · Computer Science 2016-06-30 Liang Liu , Pratik Patil , Wei Yu

Cloud radio-access networks (C-RAN) have been proposed as an enabling technology for keeping up with the requirements of next-generation wireless networks. Most existing works on C-RAN consider the uplink or the downlink separately.…

Information Theory · Computer Science 2021-04-14 Mahmoud Hasabelnaby , Anas Chaaban

There are two fundamentally different fronthaul techniques in the downlink communication of cloud radio access network (C-RAN): the data-sharing strategy and the compression-based strategy. Under the former strategy, each user's message is…

Information Theory · Computer Science 2017-04-05 Liang Liu , Wei Yu

In cloud radio access networks (C-RANs), the baseband processing of the radio units (RUs) is migrated to remote control units (CUs). This is made possible by a network of backhaul links that connects RUs and CUs and that carries compressed…

Information Theory · Computer Science 2013-12-30 Seok-Hwan Park , Osvaldo Simeone , Onur Sahin , Shlomo Shamai

Cloud radio access network (C-RAN) with centralized baseband processing is envisioned as a promising candidate for the next-generation wireless communication network. However, the joint processing gain of C-RAN is fundamentally constrained…

Information Theory · Computer Science 2015-09-23 Liu Liang , Zhang Rui

This paper studies the uplink of a cloud radio access network (C-RAN) where the cell sites are connected to a cloud-computing-based central processor (CP) with noiseless backhaul links with finite capacities. We employ a simple…

Information Theory · Computer Science 2014-08-19 Yuhan Zhou , Wei Yu

This paper considers the uplink of a cloud radio access network (C-RAN) comprised of several multi-antenna remote radio units (RUs) which compress the signals that they receive from multiple mobile users (MUs) and forward them to a CU via…

Information Theory · Computer Science 2018-08-16 Marzieh Najafi , Vahid Jamali , Derrick Wing Kwan Ng , Robert Schober

This paper studies the energy efficiency of the cloud radio access network (C-RAN), specifically focusing on two fundamental and different downlink transmission strategies, namely the data-sharing strategy and the compression strategy. In…

Information Theory · Computer Science 2016-01-08 Binbin Dai , Wei Yu

As a promising paradigm to reduce both capital and operating expenditures, the cloud radio access network (C-RAN) has been shown to provide high spectral efficiency and energy efficiency. Motivated by its significant theoretical performance…

Information Theory · Computer Science 2016-04-05 Mugen Peng , Yaohua Sun , Xuelong Li , Zhendong Mao , Chonggang Wang

This paper considers a cloud radio access network (C-RAN) where spatially distributed remote radio heads (RRHs) communicate with a full-duplex user. In order to reflect a realistic scenario, the uplink (UL) and downlink (DL) RRHs are…

Information Theory · Computer Science 2016-03-01 Mohammadali Mohammadi , Himal A. Suraweera , Chintha Tellambura

The performance of cloud radio access network (C-RAN) is constrained by the limited fronthaul link capacity under future heavy data traffic. To tackle this problem, extensive efforts have been devoted to design efficient signal…

Information Theory · Computer Science 2015-04-15 Liu Liang , Suzhi Bi , Rui Zhang

It is known that data rates in standard cellular networks are limited due to inter-cell interference. An effective solution of this problem is to use the multi-cell cooperation idea. In Cloud Radio Access Network (C-RAN), which is a…

Information Theory · Computer Science 2021-02-16 Fehmi Emre Kadan , Ali Özgür Yılmaz

This letter studies a cloud radio access network (C-RAN) with multiple intelligent reflecting surfaces (IRS) deployed between users and remote radio heads (RRH). Specifically, we consider the uplink transmission where each RRH quantizes the…

Signal Processing · Electrical Eng. & Systems 2021-04-12 Yu Zhang , Xuelu Wu , Hong Peng , Caijun Zhong , Xiaoming Chen

This paper considers the joint fronthaul compression and transmit beamforming design for the uplink cloud radio access network (C-RAN), in which multi-antenna user terminals communicate with a cloud-computing based centralized processor…

Information Theory · Computer Science 2017-05-09 Yuhan Zhou , Wei Yu
‹ Prev 1 2 3 10 Next ›