中文
相关论文

相关论文: Microscopic Analysis of the Uplink Interference in…

200 篇论文

Recent studies indicate the feasibility of in-band fullduplex (FD) wireless communications, where a wireless radio transmits and receives simultaneously in the same band. Due to its potential to increase the capacity, analyzing the…

网络与互联网体系结构 · 计算机科学 2016-11-15 Peyman Tehrani , Farshad Lahouti , Michele Zorzi

Cellular networks of massive MIMO base-stations employing TDD/OFDM and relying on uplink training for both downlink and uplink transmission are viewed as an attractive candidate for 5G deployments, as they promise high area spectral and…

信息论 · 计算机科学 2018-11-07 Zekun Zhang , Chenwei Wang , Haralabos Papadopoulos

Employing multi-tier networks is among the most promising approaches to address the rapid growth of the data demand in cellular networks. In this paper, we study a two-tier uplink cellular network consisting of femtocells and a macrocell.…

信息论 · 计算机科学 2014-08-06 Zolfa Zeinalpour-Yazdi , Shirin Jalali

It is expected that 5G/6G networks will exploit sub-6 GHz, millimetre wave (mmWave) and terahertz (THz) frequency bands simultaneously and will increase flexibility in user equipment (UE)-cell association. In this paper, we introduce a…

信息论 · 计算机科学 2024-09-13 Yunbai Wang , Chen Chen , Xiaoli Chu

Flat-fading channel models are usually invoked for analyzing the performance of massive spatial modulation multiple-input multiple-output (SM-MIMO) systems. However, in the context of broadband SM transmission, the severe…

信息论 · 计算机科学 2017-12-04 Yue Sun , Jintao Wang , Longzhuang He , Jian Song

What does millimeter-wave (mmW) seek assistance for from micro-wave ({\mu}W) in a mmW overlaid 5G cellular network? This paper raises the question of whether to complement downlink (DL) or uplink (UL) transmissions, and concludes that…

网络与互联网体系结构 · 计算机科学 2015-07-17 Jihong Park , Seong-Lyun Kim , Jens Zander

Inter-cell interference is one of the main limiting factors in current Heterogeneous Cellular Networks (HCNs). Uplink Fractional Power Control (FPC) is a well known method that aims to cope with such limiting factor as well as to save…

信息论 · 计算机科学 2024-10-30 Francisco J. Martin-Vega , Gerardo Gomez , Mari Carmen Aguayo-Torres , Marco Di Renzo

A main challenge in providing connectivity to the low altitude unmanned aerial vehicles (UAVs) through existing cellular network arises due to the increased interference in the network. The increased altitude and favourable propagation…

信息论 · 计算机科学 2019-02-08 Vijaya Yajnanarayana , Y. -P. Eric Wang , Shiwei Gao , Siva Muruganathan , Xingqin Lin

This letter considers the problem of joint user association (UA), sub-channel assignment, antenna selection (AS), and power control in the uplink (UL) of a heterogeneous network such that the data rate of small cell users can be maximized…

网络与互联网体系结构 · 计算机科学 2020-02-04 Ata Khalili , Soroush Akhlaghi , Hina Tabassum , Derrick Wing Kwan Ng

To provide Uplink Centric Broadband Communication (UCBC), New Radio Unlicensed (NR-U) network has been standardized to exploit the unlicensed spectrum using Listen Before Talk (LBT) scheme to fairly coexist with the incumbent Wireless…

系统与控制 · 电气工程与系统科学 2024-02-20 Hui Zhou , Yansha Deng

We consider a user-centric co-operative cellular network, where base stations (BSs) close to a mobile co-operate to detect its signal using a (joint) linear minimum-mean-square-error receiver. The BSs are at arbitrary positions and mobiles…

信息论 · 计算机科学 2018-02-14 Siddhartan Govindasamy , Itsik Bergel

CDMA is a multiple access method in which the user's uses spread spectrum techniques and occupy the entire spectrum whenever they transmit. In wireless communication signal-to-noise ratio (SNR) is the very important parameter that…

网络与互联网体系结构 · 计算机科学 2010-02-26 Md. M. Hossain , Md. M. Rahman , Md. A. Alim

A massive MIMO system entails a large number (tens or hundreds) of base station antennas serving a much smaller number of terminals. These systems demonstrate large gains in spectral and energy efficiency compared with conventional MIMO…

信息论 · 计算机科学 2017-01-19 Ansuman Adhikary , Alexei Ashikhmin , Thomas L. Marzetta

The throughput of a linear cellular uplink with a random number of users, different power control schemes, and cooperative base stations is considered in the large system limit where the number of cells is large for non fading Gaussian…

信息论 · 计算机科学 2016-11-18 Oren Somekh , Osvaldo Simeone , H. Vincent Poor , Shlomo Shamai

In this paper, we propose a frequency synchronization scheme for multiuser orthogonal frequency division multiplexing (OFDM) uplink with a large-scale uniform linear array (ULA) at base station (BS) by exploiting the angle information of…

信息论 · 计算机科学 2017-03-14 Weile Zhang , Feifei Gao , Shi Jin , Hai Lin

Base stations with a large number of transmit antennas have the potential to serve a large number of users at high rates. However, the receiver processing in the uplink relies on channel estimates which are known to suffer from pilot…

信息论 · 计算机科学 2016-11-18 Narayanan Krishnan , Roy D. Yates , Narayan B. Mandayam

Linear processing in the spatial domain at the base stations (BSs) and at the users of MIMO cellular systems enables the control of both inter-cell and intra-cell interference. A number of iterative algorithms have been proposed that allow…

信息论 · 计算机科学 2014-08-25 Tariq Elkourdi , Osvaldo Simeone , Onur Sahin , Shlomo Shamai

Small cell network (SCN) offers, for the first time, a low-cost and scalable mechanism to meet the forecast data-traffic demand. In this paper, we propose a non-uniform SCN deployment scheme. The small cell base stations (BSs) in this…

信息论 · 计算机科学 2014-01-09 He Wang , Xiangyun Zhou , Mark C. Reed

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…

信息论 · 计算机科学 2016-05-17 Aly El Gamal

A large majority of cellular networks deployed today make use of Frequency Division Duplexing (FDD) where, in contrast with Time Division Duplexing (TDD), the channel reciprocity does not hold and explicit downlink (DL) probing and uplink…

信息论 · 计算机科学 2019-12-09 Mahdi Barzegar Khalilsarai , Yi Song , Tianyu Yang , Saeid Haghighatshoar , Giuseppe Caire