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This paper considers peer-to-peer scheduling for a network with multiple wireless devices. A subset of the devices are mobile users that desire specific files. Each user may already have certain popular files in its cache. The remaining…

Networking and Internet Architecture · Computer Science 2012-02-22 Michael J. Neely

We study broadcast capacity and minimum delay scaling laws for highly mobile wireless networks, in which each node has to disseminate or broadcast packets to all other nodes in the network. In particular, we consider a cell partitioned…

Information Theory · Computer Science 2018-08-14 Rajat Talak , Sertac Karaman , Eytan Modiano

In this paper, we study how to determine concurrent transmissions and the transmission power level of each link to maximize spectrum efficiency and minimize energy consumption in a wireless ad hoc network. The optimal joint transmission…

Networking and Internet Architecture · Computer Science 2017-06-20 Kamal Rahimi Malekshan , Weihua Zhuang

Heterogeneous network (HetNet) has been proposed as a promising solution for handling the wireless traffic explosion in future fifth-generation (5G) system. In this paper, a joint subchannel and power allocation problem is formulated for…

Signal Processing · Electrical Eng. & Systems 2019-03-04 Di Xu , Xiaojing Che , Changhao Wu , Shunqing Zhang , Shugong Xu , Shan Cao

In this paper, we derive the capacity of a special class of mesh networks. A mesh network is defined as a heterogeneous wireless network in which the transmission among power limited nodes is assisted by powerful relays, which use the same…

Information Theory · Computer Science 2010-04-15 Lawrence Ong , Mehul Motani

Wi-Fi provides cost-effective data capacity at hotspots in conjunction with broadband cellular networks. The hotspots are required to capture a large number of users and provide high data rates. Data rates, over the Wi-Fi interface, are…

Networking and Internet Architecture · Computer Science 2016-11-18 Jonathan Ling , Satish Kanugovi , Subramanian Vasudevan , A Krishna Pramod

Heterogeneous cellular networks (HetNets) are to be deployed for future wireless communication to meet the ever-increasing mobile traffic demand. However, the dense and random deployment of small cells and their uncoordinated operation…

Information Theory · Computer Science 2014-06-10 Weili Nie , Fuchun Zheng , Xiaoming Wang , Shi Jin , Wenyi Zhang

Network capacity region is an important character of mobile ad hoc networks. Using cell-partitioned model, an expression of upper bound of delay-tolerant hybrid mobile ad hoc network is deduced regardless of coverage of base stations, types…

Networking and Internet Architecture · Computer Science 2014-04-08 Hu Li , Yuan`an Liu , Hefei Hu , Dongming Yuan , Sirui Duan

An overarching issue in resource management of wireless networks is assessing their capacity: How much communication can be achieved in a network, utilizing all the tools available: power control, scheduling, routing, channel assignment and…

Networking and Internet Architecture · Computer Science 2018-06-29 Magnus M. Halldorsson , Tigran Tonoyan

Stringent mobile usage characteristics force wire- less networks to undergo a paradigm shift from conventional connection-centric to content-centric deployment. With respect to 5G, caching and heterogeneous networks (HetNet) are key…

Information Theory · Computer Science 2017-07-31 Jaber Kakar , Soheil Gherekhloo , Aydin Sezgin

In future networks, an operator may employ a wide range of access points using diverse radio access technologies (RATs) over multiple licensed and unlicensed frequency bands. This paper studies centralized user association and spectrum…

Networking and Internet Architecture · Computer Science 2016-09-01 Zhiyi Zhou , Dongning Guo , Michael L. Honig

Now a day's Heterogeneous wireless network is a promising field of research interest. Various challenges exist in this hybrid combination like load balancing, resource management and so on. In this paper we introduce a reliable load…

Networking and Internet Architecture · Computer Science 2012-02-10 Md. Golam Rabiul Alam , Chayan Biswas , Naushin Nower , Mohammed Shafiul Alam Khan

Emergence of new types of services has led to various traffic and diverse delay requirements in fifth generation (5G) wireless networks. Meeting diverse delay requirements is one of the most critical goals for the design of 5G wireless…

Information Theory · Computer Science 2017-03-27 Yi Zhong , Tony Q. S. Quek , Xiaohu Ge

A network's transmission capacity is the maximal rate of traffic inflow that the network can handle without causing congestion. Here we study how to enhance this quantity by redistributing the capability of individual nodes while preserving…

Networking and Internet Architecture · Computer Science 2009-10-14 Guoqing Zhang , Shi Zhou , Di Wang , Gang Yan , Guoqiang Zhang

We study the throughput and delay characteristics of wireless caching networks, where users are mainly interested in retrieving content stored in the network, rather than in maintaining source-destination communication. Nodes are assumed to…

Networking and Internet Architecture · Computer Science 2017-04-25 Milad Mahdian , Edmund Yeh

Existing models of Multi-Hop Wireless Networks (MHWNs) assume that interference estimators of link quality such as observed busy time predict the capacity of the links. We show that these estimators do not capture the intricate interactions…

Networking and Internet Architecture · Computer Science 2007-05-23 Vinay Kolar , Nael Abu-Ghazaleh

This research introduces a revolutionary paradigm for HetNet management, presenting an innovative algorithmic framework that transcends traditional notions of network capacity enhancement. Our exploration delves into the intricate interplay…

Networking and Internet Architecture · Computer Science 2023-12-22 Saimin Chen Zhang

5G networks are required to provide very fast and reliable communications while dealing with the increase of users traffic. In Heterogeneous Networks (HetNets) assisted with Device-to-Device (D2D) communication, traffic can be offloaded to…

Networking and Internet Architecture · Computer Science 2019-05-06 Wael Jaafar , Amina Mseddi , Wessam Ajib , Halima Elbiaze

In this paper we address two basic questions in wireless communication: First, how long does it take to schedule an arbitrary set of communication requests? Second, given a set of communication requests, how many of them can be scheduled…

Networking and Internet Architecture · Computer Science 2015-03-20 Olga Goussevskaia , Magnús M. Halldórsson , Roger Wattenhofer

This paper investigates the capacity of a wireless two way relay channel in which two end nodes exchange information via a relay node. The capacity is defined in the information-theoretic sense as the maximum information exchange rate…

Information Theory · Computer Science 2008-04-22 Zhang Shengli , Soung Chang Liew