English
Related papers

Related papers: An Analysis of the DS-CDMA Cellular Uplink for Arb…

200 papers

A new analysis is presented for the direct-sequence code-division multiple access (DS-CDMA) cellular uplink. For a given network topology, closed-form expressions are found for the outage probability and rate of each uplink in the presence…

Information Theory · Computer Science 2013-04-30 Don Torrieri , Matthew C. Valenti , Salvatore Talarico

The direct-sequence code-division multiple access (DS-CDMA) cellular downlink is modeled by a constrained random spatial model involving a fixed number of base stations placed over a finite area with a minimum separation. The analysis is…

Information Theory · Computer Science 2012-10-16 Matthew C. Valenti , Don Torrieri , Salvatore Talarico

This paper considers a device-to-device (D2D) underlaid cellular network where an uplink cellular user communicates with the base station while multiple direct D2D links share the uplink spectrum. This paper proposes a random network model…

Information Theory · Computer Science 2013-11-21 Namyoon Lee , Xingqin Lin , Jeffrey G. Andrews , Robert W. Heath

We study the problem of associating mobile terminals to base stations in a linear interference network, with the goal of maximizing the average rate achieved over both the uplink and downlink sessions. The cell association decision is made…

Information Theory · Computer Science 2016-05-17 Aly El Gamal

Dynamic Time-division duplex (TDD) can provide efficient and flexible splitting of the common wireless cellular resources between uplink (UL) and downlink (DL) users. In this paper, the UL/DL optimization problem is formulated as a…

Networking and Internet Architecture · Computer Science 2016-11-18 Mohammed S. ElBamby , Mehdi Bennis , Walid Saad , Matti Latva-aho

The uplink of interference-limited cellular networks with base stations that have large numbers of antennas and use linear Minimum-Mean-Square Error (MMSE) processing with power control is analyzed. Simple approximations, which are exact in…

Information Theory · Computer Science 2015-06-22 Siddhartan Govindasamy

In this paper, using the stochastic geometry, we develop a tractable uplink modeling framework for the outage probability of both the single and multi-tier millimeter wave (mmWave) cellular networks. Each tier's mmWave base stations (BSs)…

Signal Processing · Electrical Eng. & Systems 2018-08-31 Oluwakayode Onireti , Lei Zhang , Ali Imran , Muhammad Ali Imran

In this paper, we consider maximizing the sum-rate in the uplink of a multi-cell OFDMA network. The problem has a non-convex combinatorial structure and is known to be NP hard. Due to the inherent complexity of implementing the optimal…

Optimization and Control · Mathematics 2011-09-22 Hina Tabassum , Zaher Dawy , Mohamed Slim Alouini

We consider single cell multi-user OFDMA downlink resource allocation on a flat-fading channel such that average supply power is minimized while fulfilling a set of target rates. Available degrees of freedom are transmission power and…

Information Theory · Computer Science 2013-07-12 Hauke Holtkamp , Gunther Auer , Harald Haas

Coming cellular systems are envisioned to open up to new services and applications with high reliability and low latency requirements. In this paper we focus on the rate allocation problem in downlink cellular networks with Rayleigh fading…

Networking and Internet Architecture · Computer Science 2018-06-13 Onel L. Alcaraz Lopez , Hirley Alves , Matti Latva-aho

Present work proposes a theoretical statistical model of the downlink power consumption in cellular CDMA networks. The proposed model employs a simple but popular propagation model, which breaks down path losses into a distance dependent…

Systems and Control · Computer Science 2011-09-02 Stylianos P. Savaidis , Nikolaos I. Miridakis

In this paper, we provide an analytical framework to analyze the uplink performance of device-to-device (D2D)-enabled millimeter wave (mmWave) cellular networks. Signal-to- interference-plus-noise ratio (SINR) outage probabilities are…

Information Theory · Computer Science 2017-04-05 Esma Turgut , M. Cenk Gursoy

Cellular uplink analysis has typically been undertaken by either a simple approach that lumps all interference into a single deterministic or random parameter in a Wyner-type model, or via complex system level simulations that often do not…

Information Theory · Computer Science 2016-11-17 Thomas D. Novlan , Harpreet S. Dhillon , Jeffrey G. Andrews

In cellular systems using frequency division duplex, growing Internet services cause unbalance of uplink and downlink traffic, resulting in poor uplink spectrum utilization. Addressing this issue, this paper considers overlaying an ad hoc…

Information Theory · Computer Science 2016-11-17 Kaibin Huang , Yan Chen , Bin Chen , Xia Yang , Vincent K. N. Lau

Two-tier femtocell networks-- comprising a conventional macrocellular network plus embedded femtocell hotspots-- offer an economically viable solution to achieving high cellular user capacity and improved coverage. With universal frequency…

Networking and Internet Architecture · Computer Science 2009-02-06 Vikram Chandrasekhar , Jeffrey G. Andrews

Power control is a fundamental task accomplished in any wireless cellular network; its aim is to set the transmit power of any mobile terminal, so that each user is able to achieve its own target SINR. While conventional power control…

Information Theory · Computer Science 2007-07-13 Stefano Buzzi , H. Vincent Poor

Load balancing by proactively offloading users onto small and otherwise lightly-loaded cells is critical for tapping the potential of dense heterogeneous cellular networks (HCNs). Offloading has mostly been studied for the downlink, where…

Information Theory · Computer Science 2015-03-25 Sarabjot Singh , Xinchen Zhang , Jeffrey G. Andrews

This paper examines the uplink user capacity in a two-tier code division multiple access (CDMA) system with hotspot microcells when user terminal power is limited and the wireless channel is finitely-dispersive. A finitely-dispersive…

Information Theory · Computer Science 2016-11-18 Shalinee Kishore , Larry J. Greenstein , H. Vincent Poor , Stuart C. Schwartz

Decoupling uplink (UL) and downlink (DL) is a new architectural paradigm where DL and UL are not constrained to be associated to the same base station (BS). Building upon this paradigm, the goal of the present paper is to provide lower,…

Information Theory · Computer Science 2016-10-11 Alexis I. Aravanis , Olga Munoz , Antonio Pascual-Iserte , Josep Vidal

This paper considers the optimum single cell power-control maximizing the aggregate (uplink) communication rate of the cell when there are peak power constraints at mobile users, and a low-complexity data decoder (without successive…

Information Theory · Computer Science 2011-05-31 Hazer Inaltekin , Stephen V. Hanly
‹ Prev 1 2 3 10 Next ›