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A novel Distributed Spectrum-Aware Clustering (DSAC) scheme is proposed in the context of Cognitive Radio Sensor Networks (CRSN). DSAC aims at forming energy efficient clusters in a self-organized fashion while restricting interference to…

Networking and Internet Architecture · Computer Science 2014-02-25 Huazi Zhang , Zhaoyang Zhang , Huaiyu Dai , Rui Yin , Xiaoming Chen

This paper considers uplink multiple access (MA) transmissions, where the MA technique is adaptively selected between Non Orthogonal Multiple Access (NOMA) and Orthogonal Multiple Access (OMA). Two types of users, namely Internet of Things…

Signal Processing · Electrical Eng. & Systems 2020-06-29 Zijian Wang , Mylene Pischella , Luc Vandendorpe

Using a network of cache enabled small cells, traffic during peak hours can be reduced considerably through proactively fetching the content that is most probable to be requested. In this paper, we aim at exploring the impact of proactive…

Information Theory · Computer Science 2017-11-09 Salah Eddine Hajri , Mohamad Assaad

Device-to-device (D2D) technology enables direct communication between adjacent devices within cellular networks. Due to its high data rate, low latency, and performance improvement in spectrum and energy efficiency, it has been widely…

Networking and Internet Architecture · Computer Science 2024-10-07 Yang Yu , Xiaoqing Tang

By moving to millimeter wave (mmWave) frequencies, base stations (BSs) will be densely deployed to provide seamless coverage in sixth generation (6G) mobile communication systems, which, unfortunately, leads to severe cell-edge problem. In…

Information Theory · Computer Science 2024-10-28 Junyuan Wang , Lin Dai , Lu Yang , Bo Bai

Ultra-reliable target-aware actuation-where timely and accurate sensing information is used to trigger critical actions in emerging 6G sensing-based applications-demands tight integration of sensing and communication under stringent…

Information Theory · Computer Science 2025-07-30 Zinat Behdad , Özlem Tuğfe Demir , Ki Won Sung , Cicek Cavdar

This paper presents a simple and effective method to study the spectral and energy efficiency (SE-EE) trade-off in cellular networks, an issue that has attracted significant recent interest in the wireless community. The proposed…

Information Theory · Computer Science 2016-11-18 Dimitrios Tsilimantos , Jean-Marie Gorce , Katia Jaffrès-Runser , H. Vincent Poor

In this paper, we study the energy efficiency (EE) maximization problem for an uplink millimeter wave massive multiple-input multiple-output system with non-orthogonal multiple access (NOMA). Multiple two-user clusters are formed according…

Information Theory · Computer Science 2019-03-15 Ming Zeng , Wanming Hao , Octavia A. Dobre , H. Vincent Poor

Energy management is one of the critical parameters in Wireless Sensor Networks. In this paper we attempt for a solution to balance the energy usage for maximizing the network lifetime, increase the packet delivery ratio and throughput. Our…

Networking and Internet Architecture · Computer Science 2014-02-17 B M Thippeswamy , S Reshma , K Shaila , K R Venugopal , S S Iyengar , L M Patnaik

Massive multiple-input multiple-output (Massive MIMO) has been realized as a promising technology for next generation wireless mobile communications, in which Spectral efficiency (SE) and energy efficiency (EE) are two critical issues.…

Information Theory · Computer Science 2014-08-04 Di Zhang , Zhenyu Zhou , Keping Yu , Takuro Sato

Wireless Sensor Networks (WSNs) consist of large number of randomly deployed energy constrained sensor nodes. Sensor nodes have ability to sense and send sensed data to Base Station (BS). Sensing as well as transmitting data towards BS…

Networking and Internet Architecture · Computer Science 2013-03-22 N. Javaid , T. N. Qureshi , A. H. Khan , A. Iqbal , E. Akhtar , M. Ishfaq

Prolonged network lifetime, scalability and efficient load balancing are essential for optimal performance of a wireless sensor network. Clustering provides an effective way of extending the lifetime of a sensor network. Clustering is the…

Distributed, Parallel, and Cluster Computing · Computer Science 2012-08-10 Ravi Tandon

Managing massive data flows effectively and resolving spectrum shortages are two challenges that Smart Grid Communication Networks (SGCN) must overcome. To address these problems, we provide a combined optimization approach that makes use…

Signal Processing · Electrical Eng. & Systems 2025-05-06 Mubashar Sarfraz , Sheraz Alam , Sajjad A. Ghauri , Asad Mahmood

Wireless Sensor Network (WSN) consists of many individual sensors that are deployed in the area of interest. These sensor nodes have major energy constraints as they are small and their battery can't be replaced. They collaborate together…

Neural and Evolutionary Computing · Computer Science 2017-11-28 Ashwin R Jadhav , T. Shankar

Organization, scalability and routing have been identified as key problems hindering viability and commercial success of mobile ad hoc networks. Clustering of mobile nodes among separate domains has been proposed as an efficient approach to…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-09-20 Damianos Gavalas , Grammati Pantziou , Charalampos Konstantopoulos , Basilis Mamalis

Every cellular network deployment requires planning and optimization in order to provide adequate coverage, capacity, and quality of service (QoS). Optimization mobile radio network planning is a very complex task, as many aspects must be…

Artificial Intelligence · Computer Science 2013-02-28 Lamiaa Fattouh Ibrahim , Manal Hamed Al Harbi

Towards next generation communications, Energy Efficiency (EE) attracts lots of attentions nowadays. Some innovative techniques have been proposed in prior literatures, especially the sleep mechanism of base station (BS). Yet how to sleep…

Information Theory · Computer Science 2014-09-23 Di Zhang , Zhenyu Zhou , Takuro Sato

Device-to-device (D2D) communications as an underlay of a LTE-A (4G) network can reduce the traffic load as well as power consumption in cellular networks by way of utilizing peer-to-peer links for users in proximity of each other. This…

Networking and Internet Architecture · Computer Science 2014-12-25 Sajjad Mehri Alamouti , Ahmad R. Sharafat

The demands of ultra-reliable low-latency communication (URLLC) in ``NextG" cellular networks necessitate innovative approaches for efficient resource utilisation. The current literature on 6G O-RAN primarily addresses improved mobile…

Networking and Internet Architecture · Computer Science 2024-09-10 Rana M. Sohaib , Syed Tariq Shah , Poonam Yadav

This paper investigates an uplink non-orthogonal multiple access (NOMA)-based mobile-edge computing (MEC) network. Our objective is to minimize the total energy consumption of all users including transmission energy and local computation…

Signal Processing · Electrical Eng. & Systems 2019-02-18 Zhaohui Yang , Jiancao Hou , Mohammad Shikh-Bahaei