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相关论文: Cloud Radio Access Network: Virtualizing Wireless …

200 篇论文

As virtualization of Radio Access Networks (RAN) gains momentum, understanding the impact of hardware and software disaggregation on resiliency becomes critical to meet the high availability requirements of mobile networks. Our paper…

网络与互联网体系结构 · 计算机科学 2025-04-03 Ufuk Usubütün , André Gomes , Shankaranarayanan Puzhavakath Narayanan , Matti Hiltunen , Shivendra Panwar

Centralized Radio Access Network (C-RAN) is a new paradigm for wireless networks that centralizes the signal processing in a computing cloud, allowing commodity computational resources to be pooled. While C-RAN improves utilization and…

信息论 · 计算机科学 2017-02-03 Kyle Whetzel , Matthew C. Valenti

This work investigates the joint design of fronthaul compression and precoding for the downlink of Cloud Radio Access Networks (C-RANs). In a C-RAN, a central unit (CU) performs the baseband processing for a cluster of radio units (RUs)…

信息论 · 计算机科学 2016-11-17 Jinkyu Kang , Osvaldo Simeone , Joonhyuk Kang , Shlomo Shamai

Energy Efficiency (EE) is a big issue in 5th Generation Wireless Communications (5G) on condition that the number of access User Equipments (UEs) are exploding and more antennas should be equipped in one Base Station (BS). In EE studies,…

信息论 · 计算机科学 2015-04-21 Di Zhang , Zhenyu Zhou , Keping Yu , Takuro Sato

In a centralized RAN, the signals from multiple RAPs are processed centrally in a data center. Centralized RAN enables advanced interference coordination strategies while leveraging the elastic provisioning of data processing resources. It…

信息论 · 计算机科学 2015-08-11 Peter Rost , Salvatore Talarico , Matthew C. Valenti

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…

信息论 · 计算机科学 2016-06-30 Liang Liu , Pratik Patil , Wei Yu

The limited fronthaul capacity imposes a challenge on the uplink of centralized radio access network (C-RAN). We propose to boost the fronthaul capacity of massive multiple-input multiple-output (MIMO) aided C-RAN by globally optimizing the…

信息论 · 计算机科学 2019-01-01 Jiankang Zhang , Sheng Chen , Xinying Guo , Jia Shi , Lajos Hanzo

This work studies the robust design of downlink precoding for cloud radio access network (C-RAN) in the presence of asynchronism among remote radio heads (RRHs). Specifically, a C-RAN downlink system is considered in which non-ideal…

信息论 · 计算机科学 2016-09-21 Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

Cloud radio access networks (C-RAN) and Mobile Cloud Computing (MCC) have emerged as promising candidates for the next generation access network techniques. MCC enables resource limited mobile devices to offload computationally intensive…

分布式、并行与集群计算 · 计算机科学 2017-01-23 Chathura Sarathchandra Magurawalage , Kun Yang , Ritosa Patrik , Michael Georgiades , Kezhi Wang

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…

信息论 · 计算机科学 2015-04-15 Liu Liang , Suzhi Bi , Rui Zhang

Popular content caching is expected to play a major role in efficiently reducing backhaul congestion and achieving user satisfaction in next generation mobile radio systems. Consider the downlink of a cache-enabled cloud radio access…

信息论 · 计算机科学 2016-09-07 Oussama Dhifallah , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Millimeter wave (mmWave) communications provide great potential for next-generation cellular networks to meet the demands of fast-growing mobile data traffic with plentiful spectrum available. However, in a mmWave cellular system, the…

网络与互联网体系结构 · 计算机科学 2018-07-26 Xianfu Chen , Pei Liu , Hang Liu , Celimuge Wu , Yusheng Ji

The cloud radio access network (C-RAN) provides high spectral and energy efficiency performances, low expenditures and intelligent centralized system structures to operators, which has attracted intense interests in both academia and…

信息论 · 计算机科学 2014-10-30 Jian Li , Mugen Peng , Aolin Cheng , Yuling Yu , Chonggang Wang

In this paper, by considering multiple slices, a downlink transmission of a sparse code multiple access (SCMA) based cloud-radio access network (C-RAN) is investigated. In this regard, by supposing multiple input and single output (MISO)…

网络与互联网体系结构 · 计算机科学 2019-02-26 Mohammad. Moltafet , Saeedeh. Parsaeefard , Mohammad R. Javan , Nader. Mokari

In this paper, a cloud radio access network (Cloud-RAN) based collaborative edge AI inference architecture is proposed. Specifically, geographically distributed devices capture real-time noise-corrupted sensory data samples and extract the…

信息论 · 计算机科学 2024-04-10 Pengfei Zhang , Dingzhu Wen , Guangxu Zhu , Qimei Chen , Kaifeng Han , Yuanming Shi

Cloud radio access network (C-RAN) has emerged as a potential candidate of the next generation access network technology to address the increasing mobile traffic, while mobile cloud computing (MCC) offers a prospective solution to the…

网络与互联网体系结构 · 计算机科学 2016-11-17 Kezhi Wang , Kun Yang , Chathura Sarathchandra Magurawalage

The ultra-dense cloud radio access network (UD-CRAN), in which remote radio heads (RRHs) are densely deployed in the network, is considered. To reduce the channel estimation overhead, we focus on the design of robust transmit beamforming…

信号处理 · 电气工程与系统科学 2018-04-12 Cunhua Pan , Hong Ren , Maged Elkashlan , Arumugam Nallanathan , Lajos Hanzo

The emerging Cloud-RAN architecture within the fifth generation (5G) of wireless networks plays a vital role in enabling higher flexibility and granularity. On the other hand, Cloud-RAN architecture introduces an additional link between the…

网络与互联网体系结构 · 计算机科学 2019-05-01 Ghizlane Mountaser , Maliheh Mahlouji , Toktam Mahmoodi

The radio access network (RAN) part of the next-generation wireless networks will require efficient solutions for satisfying low latency and high-throughput services. The open RAN (O-RAN) is one of the candidates to achieve this goal, in…

网络与互联网体系结构 · 计算机科学 2022-02-01 Turgay Pamuklu , Shahram Mollahasani , Melike Erol-Kantarci

In this paper, a new queuing model for the Tactile Internet (TI) is proposed for the cloud radio access network (C-RAN) architecture of the next generation wireless networks, e.g., 5G, assisted via orthogonal frequency division multiple…

网络与互联网体系结构 · 计算机科学 2020-09-22 Narges Gholipoor , Saeedeh Parsaeefard , Mohammad Reza Javan , Nader Mokari , Hamid Saeedi , Hossein Pishro-Nik