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Hybrid Radio Frequency/ Visible Light Communication (RF/VLC) systems have been recognized as effective means to enhance data rate. So far the study of data rate has been limited to downlink communications. In this letter, we study the…

信息论 · 计算机科学 2018-12-11 Shivanshu Shrivastava

This letter analyzes the performance of uplink integrated sensing and communications (ISAC) systems where communication users (CUs) and radar targets (RTs) share the same frequency band. A non-orthogonal multiple access (NOMA) protocol is…

信息论 · 计算机科学 2022-05-30 Chongjun Ouyang , Yuanwei Liu , Hongwen Yang

We introduce a comprehensive analytical framework to compare between open access and closed access in two-tier femtocell networks, with regard to uplink interference and outage. Interference at both the macrocell and femtocell levels is…

网络与互联网体系结构 · 计算机科学 2013-08-13 Wei Bao , Ben Liang

Achieving an end-to-end low-latency for computations offloading, in Mobile Edge Computing (MEC) systems, is still a critical design problem. This is because the offloading of computational tasks via the MEC servers entails the use of uplink…

网络与互联网体系结构 · 计算机科学 2022-02-15 Ali Al-Shuwaili , Ahmed Lawey

Until the 4th Generation (4G) cellular 3GPP systems, a user equipment's (UE) cell association has been based on the downlink received power from the strongest base station. Recent work has shown that - with an increasing degree of…

网络与互联网体系结构 · 计算机科学 2016-11-15 Hisham Elshaer , Federico Boccardi , Mischa Dohler , Ralf Irmer

In this work, we present a novel traffic prediction and fast uplink framework for IoT networks controlled by binary Markovian events. First, we apply the forward algorithm with hidden Markov models (HMM) in order to schedule the available…

网络与互联网体系结构 · 计算机科学 2022-09-14 Eslam Eldeeb , Mohammad Shehab , Anders E. Kalor , Petar Popovski , Hirley Alves

In this paper, we consider resource allocation in the 3GPP Long Term Evolution (LTE) cellular uplink, which will be the most widely deployed next generation cellular uplink. The key features of the 3GPP LTE uplink (UL) are that it is based…

网络与互联网体系结构 · 计算机科学 2013-12-02 Narayan Prasad , Honghai Zhang , Hao Zhu , Sampath Rangarajan

LTEs uplink (UL) efficiency critically depends on how the interference across different cells is controlled. The unique characteristics of LTEs modulation and UL resource assignment poses considerable challenges in achieving this goal…

网络与互联网体系结构 · 计算机科学 2013-09-11 Supratim Deb , Pantelis Monogioudis

Spectrum sharing between wireless networks improves the efficiency of spectrum usage, and thereby alleviates spectrum scarcity due to growing demands for wireless broadband access. To improve the usual underutilization of the cellular…

信息论 · 计算机科学 2008-08-18 Kaibin Huang , Vincent K. N. Lau , Yan Chen

Cellular network technology based device-to-device communication attracts increasing attention for use cases such as the control of autonomous vehicles on the ground and in the air. LTE provides device-to-device communication options,…

网络与互联网体系结构 · 计算机科学 2018-06-26 Fabian Eckermann , Julian Freudenthal , Christian Wietfeld

We study opportunistic scheduling and the sum capacity of cellular networks with a full-duplex multi-antenna base station and a large number of single-antenna half-duplex users. Simultaneous uplink and downlink over the same band results in…

信息论 · 计算机科学 2016-11-17 Can Karakus , Suhas Diggavi

In the envisioned 5G, uplink grant-free multiple access will become the enabler of ultra-reliable low-latency communications (URLLC) services. By removing the forward scheduling request (SR) and backward scheduling grant (SG), pilot-based…

信号处理 · 电气工程与系统科学 2019-09-05 Dongyang Xu , Pinyi Ren , Yichen Wang , James A. Ritcey

To enable mobility in industrial communication systems, the seamless integration of 5G with Time-Sensitive Networking (TSN) is a promising approach. Deterministic communication across heterogeneous 5G-TSN systems requires joint scheduling…

网络与互联网体系结构 · 计算机科学 2025-12-01 Laura Becker , Yash Deshpande , Wolfgang Kellerer

Simultaneous reuse of spectral resources by uplink and downlink, denoted as in-band full duplex (FD) communication, is promoted to double the spectral efficiency when compared to its half-duplex (HD) counterpart. Interference management,…

Integrated access and backhaul (IAB) network is a novel radio access network (RAN) solution, enabling network densification for 5G and beyond. In this paper, we use power control combined with resource allocation algorithms to develop…

网络与互联网体系结构 · 计算机科学 2021-10-18 Olalekan Peter Adare , Haitham Babbili , Charitha Madapatha , Behrooz Makki , Tommy Svensson

Mechanisms for data recovery and packet reliability are essential components of the upcoming 6th generation (6G) communication system. In this paper, we evaluate the interaction between a fast hybrid automatic repeat request (HARQ) scheme,…

信号处理 · 电气工程与系统科学 2024-04-12 Uyoata E. Uyoata , Abolfazl Amiri , Enric Juan , Guillermo Pocovi , Pilar Andres-Maldonado , Klaus I. Pedersen , Troels Kolding

Cell association in cellular networks has traditionally been based on the downlink received signal power only, despite the fact that up and downlink transmission powers and interference levels differed significantly. This approach was…

网络与互联网体系结构 · 计算机科学 2016-11-15 Hisham Elshaer , Federico Boccardi , Mischa Dohler , Ralf Irmer

Multi-connectivity with packet duplication, where the same data packet is duplicated and transmitted from multiple transmitters, is proposed in 5G New Radio as a reliability enhancement feature. This paper presents an analytical study of…

网络与互联网体系结构 · 计算机科学 2019-04-18 Nurul Huda Mahmood , Ali Karimi , Gilberto Berardinelli , Klaus I. Pedersen , Daniela Laselva

A typical handover problem requires sequence of complex signaling between a UE, the serving, and target base station. In many handover problems the down link based measurements are transferred from a user equipment to a serving base station…

信息论 · 计算机科学 2021-12-20 Prayag Gowgi , Vijaya Yajnanarayana

Communication can improve control of important system parameters by allowing different grid components to communicate their states with each other. This information exchange requires a reliable and fast communication infrastructure. 5G…

网络与互联网体系结构 · 计算机科学 2021-10-19 Rahul Iyer , Biplav Choudhury , Vijay K. Shah , Ali Mehrizi-Sani