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Recently, a mmWave-based access and backhaul integration HetNetsarchitecture (mABHetNets) has been envisioned to provide the high link capacity in both access and backhaul links. In mABHetNets, the access link and the backhaul link will…

Networking and Internet Architecture · Computer Science 2019-11-05 Hao Wu , Chenwu Zhang , Hancheng Lu , Qi Hu

In milimeter wave heterogenous networks with integrated access and backhaul (mABHetNets), a considerable part of spectrum resources are occupied by the backhaul link, which limits the performance of the access link. In order to overcome…

Information Theory · Computer Science 2022-01-05 Chenwu Zhang , Hancheng Lu , Zhuojia Gu

With the rapid growth of mobile data traffic, the shortage of radio spectrum resource has become increasingly prominent. Millimeter wave (mmWave) small cells can be densely deployed in macro cells to improve network capacity and spectrum…

Information Theory · Computer Science 2023-08-21 Ziqi Guo , Yong Niu , Shiwen Mao , Ruisi He , Ning Wang , Zhangdui Zhong , Bo Ai

This paper focuses on edge caching in mm/{\mu}Wave hybrid wireless networks, in which all mmWave SBSs and {\mu}Wave MBSs are capable of storing contents to alleviate the traffic burden on the backhaul link that connect the BSs and the core…

Signal Processing · Electrical Eng. & Systems 2019-04-02 Tong Zhang , Sudip Biswas , Keshav Singh , Tharmalingam Ratnarajah

With the emergence of integrated access and backhaul (IAB) in the fifth generation (5G) of cellular networks, backhaul is no longer just a passive capacity constraint in cellular network design. In fact, this tight integration of access and…

Information Theory · Computer Science 2019-06-04 Chiranjib Saha , Harpreet S. Dhillon

In this paper, we consider a novel cache-enabled heterogeneous network (HetNet), where macro base stations (BSs) with traditional sub-6 GHz are overlaid by dense millimeter wave (mmWave) pico BSs. These two-tier BSs, which are modeled as…

Information Theory · Computer Science 2018-07-16 Wenqiang Yi , Yuanwei Liu , Arumugam Nallanathan

In this paper, we consider a novel cache-enabled heterogeneous network (HetNet), where macro base stations (BSs) with traditional sub-6 GHz are overlaid by dense millimeter wave (mmWave) pico BSs. These two-tier BSs, which are modeled as…

Information Theory · Computer Science 2018-01-29 Wenqiang Yi , Yuanwei Liu , Arumugam Nallanathan

Integrated access and backhaul (IAB) networks have the potential to provide high data rate in both access and backhaul networks by sharing the same spectrum. Due to the dense deployment of small base stations (SBSs), IAB networks connect…

Signal Processing · Electrical Eng. & Systems 2021-06-07 Chao Fang , Charitha Madapatha , Behrooz Makki , Tommy Svensson

In this paper, to address backhaul capacity bottleneck and concurrently optimize energy consumption and delay, we formulate a novel weighted-sum multi-objective optimization problem where popular content caching placement and integrated…

Optimization and Control · Mathematics 2022-01-21 Wen Shang , Vasilis Friderikos

Caching popular contents at base stations (BSs) is a promising way to unleash the potential of cellular heterogeneous networks (HetNets), where backhaul has become a bottleneck. In this paper, we compare a cache-enabled HetNet where a tier…

Information Theory · Computer Science 2016-03-01 Dong Liu , Chenyang Yang

Heterogeneous wireless networks (HetNets) provide a powerful approach to meet the dramatic mobile traffic growth, but also impose a significant challenge on backhaul. Caching and multicasting at macro and pico base stations (BSs) are two…

Information Theory · Computer Science 2016-04-11 Ying Cui , Dongdong Jiang

With the dense deployment of millimeter wave (mmWave) front ends and popularization of bandwidth-intensive applications, shared backhaul in fiber-wireless (FiWi) networks is still facing a bandwidth crunch. To alleviate the backhaul…

Networking and Internet Architecture · Computer Science 2020-06-11 Zhuojia Gu , Hancheng Lu , Zuqing Zhu

In this paper, we study the problem of joint inband backhauling and interference mitigation in 5G heterogeneous networks (HetNets) in which a massive multiple-input multipleoutput (MIMO) macro cell base station equipped with a large number…

Networking and Internet Architecture · Computer Science 2017-05-24 Trung Kien Vu , Mehdi Bennis , Sumudu Samarakoon , Merouane Debbah , Matti Latva-aho

Deploying sub-6GHz network together with millimeter wave (mmWave) is a promising solution to simultaneously achieve sufficient coverage and high data rate. In the heterogeneous networks (HetNets), the traditional coupled access, i.e., the…

Signal Processing · Electrical Eng. & Systems 2017-11-03 Minwei Shi , Kai Yang , Chengwen Xing , Rongfei Fan

With the rapid explosion of data volume from mobile networks, edge caching has received significant attentions as an efficient approach to boost content delivery efficiency by bringing contents near users. In this article, cache-enabled…

Information Theory · Computer Science 2020-08-13 Congshan Fan , Tiankui Zhang , Yuanwei Liu , Zhiming Zeng

We study the problem of joint load balancing and interference mitigation in heterogeneous networks (HetNets) in which massive multiple-input multiple-output (MIMO) macro cell base station (BS) equipped with a large number of antennas,…

Networking and Internet Architecture · Computer Science 2017-07-11 Trung Kien Vu , Mehdi Bennis , Sumudu Samarakoon , Mérouane Debbah , Matti Latva-aho

With the increasing network densification, it has become exceedingly difficult to provide traditional fiber backhaul access to each cell site, which is especially true for small cell base stations (SBSs). The increasing maturity of…

Information Theory · Computer Science 2017-10-18 Chiranjib Saha , Mehrnaz Afshang , Harpreet S. Dhillon

Caching at base stations (BSs) is a promising approach for supporting the tremendous traffic growth of content delivery over future small-cell wireless networks with limited backhaul. This paper considers exploiting spatial caching…

Signal Processing · Electrical Eng. & Systems 2018-08-09 Wei Han , An Liu , Wei Yu , Vincent K. N. Lau

Designing cost-effective and scalable backhaul solutions is one of the main challenges for emerging wireless small cell networks (SCNs). In this regard, millimeter wave (mmW) communication technologies have recently emerged as an attractive…

Information Theory · Computer Science 2016-11-17 Omid Semiari , Walid Saad , Zaher Dawy , Mehdi Bennis

This paper focuses on edge caching in dense heterogeneous cellular networks (HetNets), in which small base stations (SBSs) with limited cache size store the popular contents, and massive multiple-input multiple-output (MIMO) aided macro…

Networking and Internet Architecture · Computer Science 2018-07-11 Lifeng Wang , Kai-Kit Wong , Sangarapillai Lambotharan , Arumugam Nallanathan , Maged Elkashlan
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