نتایج جستجو برای: sum rate

تعداد نتایج: 1028989  

Journal: :IEEE Communications Letters 2022

In this letter, a multi-objective optimization problem (MOOP) is proposed for maximizing the achievable finite blocklength (FBL) rate while minimizing utilized channel blocklengths (CBLs) in reconfigurable intelligent surface (RIS)-assisted short packet communication system. The formulated MOOP has two objective functions namely total FBL with target error probability, and CBLs which directly p...

2007
Chan-Soo Hwang Moshe Malkin Abbas El Gamal John M. Cioffi

This paper considers a multiple-access channel with two state components, where the first sender knows only the first state component, the second sender knows only the second component, and the receiver knows both components. The notion of adaptive-rate capacity is introduced to characterize the set of achievable rates when the state is fixed in each transmission block but can vary between bloc...

Journal: :IEEE Transactions on Communications 2022

In this paper, a reconfigurable intelligent surfaces (RISs)-aided millimeter wave (mmWave) uplink (UL) rate-splitting multiple access (RSMA) system is investigated which targets to achieve better rate performance and enhanced coverage capability for users. The considered UL RSMA model splits the each user by dividing their message into parts hence exploits all necessary degrees of freedom maxim...

2017
Victor Quintero Samir Perlaza Jean-Marie Gorce Samir M. Perlaza

In this paper, the price of anarchy (PoA) and the price of stability (PoS) of the η-Nash equilibria (η-NEs), of the two-user linear deterministic interference channel (IC) with noisy channel-output feedback are characterized for all η > 0. The price of anarchy is the ratio between the sum-rate capacity and the smallest sum-rate at an η-NE. Alternatively, the price of stability is the ratio betw...

Journal: :تحقیقات اقتصادی 0
مجید احمدیان

this paper presents a theoretical model in order to determine tile expected rate of durable good`s supply over time. the social plaliner maximizes tile sum of the discount ed net benefit. subject to the stochastic fluctuation in the stock of durable goods. it turns out that a social planner increases the expected rate of supply since uncertainty increases the user's loss from the view poin...

Journal: :CoRR 2011
Heejin Kim Sang-Rim Lee Kyoung-Jae Lee Inkyu Lee

In this paper, we study single cell multi-user downlink distributed antenna systems (DAS) where the antenna ports are geographically separated in a cell. First, we derive an expression of the ergodic sum rate for DAS in the presence of pathloss. Then, we propose a transmission selection scheme based on the derived expressions to maximize the overall ergodic sum rate. Utilizing the knowledge of ...

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