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Related papers: Optimal Power Control for Multiuser CDMA Channels

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A unified approach to energy-efficient power control is proposed for code-division multiple access (CDMA) networks. The approach is applicable to a large family of multiuser receivers including the matched filter, the decorrelator, the…

Information Theory · Computer Science 2007-07-13 Farhad Meshkati , Dongning Guo , H. Vincent Poor , Stuart C. Schwartz

A game-theoretic model for studying power control in multi-carrier CDMA systems is proposed. Power control is modeled as a non-cooperative game in which each user decides how much power to transmit over each carrier to maximize its own…

Information Theory · Computer Science 2007-07-13 Farhad Meshkati , Mung Chiang , H. Vincent Poor , Stuart C. Schwartz

This paper focuses on the cross-layer issue of joint multiuser detection and resource allocation for energy efficiency in wireless CDMA networks. In particular, assuming that a linear multiuser detector is adopted in the uplink receiver,…

Information Theory · Computer Science 2007-12-11 Stefano Buzzi , H. Vincent Poor

This paper is focused on the cross-layer design problem of joint multiuser detection and power control for energy-efficiency optimization in a wireless data network through a game-theoretic approach. Building on work of Meshkati, et al.,…

Information Theory · Computer Science 2015-03-13 Stefano Buzzi , Valeria Massaro , H. Vincent Poor

A wireless packet network is considered in which each user transmits a stream of packets to its destination. The transmit power of each user interferes with the transmission of all other users. A convex cost function of the completion times…

Information Theory · Computer Science 2011-04-06 Chris T. K. Ng , Muriel Medard , Asuman Ozdaglar

This paper deals with the problem of energy consumption minimization in Open RAN cell-free (CF) massive Multiple-Input Multiple-Output (mMIMO) systems under minimum per-user signal-to-noise-plus-interference ratio (SINR) constraints.…

Networking and Internet Architecture · Computer Science 2024-09-09 Vaishnavi Kasuluru , Luis Blanco , Miguel Angel Vazquez , Cristian J. Vaca-Rubio , Engin Zeydan

In this paper, we investigate the problems of sum power minimization and sum rate maximization for multi-cell networks with non-orthogonal multiple access. Considering the sum power minimization, we obtain closed-form solutions to the…

Information Theory · Computer Science 2017-11-03 Zhaohui Yang , Cunhua Pan , Yijin Pan , Wei Xu , Ming Chen , Maged Elkashlan

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

We investigate power allocation for users in a spectrum underlay cognitive network. Our objective is to find a power control scheme that allocates transmit power for both primary and secondary users so that the overall network throughput is…

Information Theory · Computer Science 2010-02-09 John Tadrous , Ahmed Sultan , Mohammed Nafie , Amr El-Keyi

In this paper, we analyze the problem of power control in a multiuser MIMO network, where the optimal linear precoder is employed in each user to achieve maximum point- to-point information rate. We design a distributed power control…

Computer Science and Game Theory · Computer Science 2014-12-03 Peyman Siyari , Hassan Aghaeinia

This study focuses on the optimization of a single-cell multi-user multiple-input multiple-output (MIMO) system with multiple large-size reconfigurable intelligent surfaces (RISs). The overall transmit power is minimized by optimizing the…

Information Theory · Computer Science 2024-10-08 Silvia Palmucci , Giulio Bartoli , Andrea Abrardo , Marco Moretti , Marco Di Renzo

In this paper we investigate the sub-channel assignment and power control to maximize the total sum rate in the uplink of two-cell network. It is assumed that there are some sub-channels in each cell which should be allocated among some…

Signal Processing · Electrical Eng. & Systems 2019-07-09 Ata Khalili , Soroush Akhlaghi

6G envisions massive cell-free networks with spatially nested multiple access (MAC) and broadcast (BC) channels without centralized coordination. This makes optimal resource allocation across power, subcarriers, and decoding orders crucial…

Signal Processing · Electrical Eng. & Systems 2025-09-04 Sagnik Bhattacharya , Abhiram Rao Gorle , John M. Cioffi

We consider a power-controlled wireless network with an established network topology in which the communication links (transmitter-receiver pairs) are corrupted by the co-channel interference and background noise. We have fairly general…

Information Theory · Computer Science 2009-07-21 Sławomir Stańczak , Michał Kaliszan , Nicholas Bambos , Marcin Wiczanowski

This paper considers the jointly optimal pilot and data power allocation in single-cell uplink massive multiple-input-multiple-output (MIMO) systems. Using the spectral efficiency (SE) as performance metric and setting a total energy budget…

Information Theory · Computer Science 2026-04-28 Hei Victor Cheng , Emil Björnson , Erik G. Larsson

Power consumption is one of the major issues in massive MIMO (multiple input multiple output) systems, causing increased long-term operational cost and overheating issues. In this paper, we consider per-antenna power allocation with a given…

Information Theory · Computer Science 2021-01-29 Navneet Garg , Mathini Sellathurai , Tharmalingam Ratnarajah

In this paper, we study power-efficient resource allocation for multicarrier non-orthogonal multiple access (MC-NOMA) systems. The resource allocation algorithm design is formulated as a non-convex optimization problem which jointly designs…

Information Theory · Computer Science 2017-05-18 Zhiqiang Wei , Derrick Wing Kwan Ng , Jinhong Yuan , Hui-Ming Wang

This paper is concerned with the fading MIMO-MAC with multiple receive antennas at the base station (BS) and multiple transmit antennas at each mobile terminal (MT). Two multiple-access techniques are considered for scheduling transmissions…

Information Theory · Computer Science 2008-04-22 Rui Zhang , Mehdi Mohseni , John M. Cioffi

This letter proposes an energy efficient distributed worst case robust power allocation in massive multiple input multiple output (MIMO) system. We assume a bounded channel state information (CSI) error and all channels lie in some bounded…

Signal Processing · Electrical Eng. & Systems 2019-01-04 Saeed Sadeghi Vilni

The joint design of analog beamforming and power allocation is investigated for a single radio-frequency chain multiuser time-division multiple access system under a max-min signal-to-noise ratio (SNR) criterion. A hardware-efficient…

Signal Processing · Electrical Eng. & Systems 2026-04-14 Songnan Gu , Chongjun Ouyang , Hao Jiang , Xingqi Zhang
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