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Broadband access is key to ensuring robust economic development and improving quality of life. Unfortunately, the communication infrastructure deployed in rural areas throughout the world lags behind its urban counterparts due to low…

信号处理 · 电气工程与系统科学 2021-08-13 Yaguang Zhang , David J. Love , James V. Krogmeier , Christopher R. Anderson , Robert W. Heath , Dennis R. Buckmaster

TV White Spaces have recently been proposed as an alternative to alleviate the spectrum crunch, characterised by the need to reallocate frequency bands to accommodate the ever-growing demand for wireless communications. In this paper, we…

网络与互联网体系结构 · 计算机科学 2016-07-28 Andrés Arcia-Moret , Arjuna Sathiaseelan , Marco Zennaro , Freddy Rondón , Ermanno Pietrosemoli , David Johnson

Wireless devices need spectrum to communicate. With the increase in the number of devices competing for the same spectrum, it has become nearly impossible to support the throughput requirements of all the devices through current spectrum…

网络与互联网体系结构 · 计算机科学 2021-11-23 Aniq Ur Rahman , Mustafa A. Kishk , Mohamed-Slim Alouini

The cellular technology is mostly an urban technology that has been unable to serve rural areas well. This is because the traditional cellular models are not economical for areas with low user density and lesser revenues. In 5G cellular…

网络与互联网体系结构 · 计算机科学 2017-02-07 Mohsin Khalil , Junaid Qadir , Oluwakayode Onireti , Muhammad Ali Imran , Shahzad Younis

TV white spaces refer to the allocated but locally unused TV spectrum and can be used by unlicensed devices as secondary users. Thanks to their lower frequencies (e.g., 54 -- 698 MHz in the US), communication over the TV spectrum has…

网络与互联网体系结构 · 计算机科学 2019-08-06 Mahbubur Rahman , Abusayeed Saifullah

As Mobile Networks (MNs) are advancing towards meeting mobile users requirements, the rural-urban divide still remains a major challenge. While areas within the urban space (metropolitan mobile space) are being developed, rural areas are…

网络与互联网体系结构 · 计算机科学 2021-10-06 Thembelihle Dlamini , Sifiso Vilakati

Next-generation wireless networks are facing spectrum shortage challenges, mainly due to, among other factors, the projected massive numbers of IoT connections and the emerging bandwidth-hungry applications that such networks ought to…

网络与互联网体系结构 · 计算机科学 2020-05-07 Bechir Hamdaoui , Bassem Khalfi , Nizar Zorba

As the services and requirements of next-generation wireless networks become increasingly diversified, it is estimated that the current frequency bands of mobile network operators (MNOs) will be unable to cope with the immensity of…

The licensing model for millimeter wave bands has been the subject of considerable debate, with some industry players advocating for unlicensed use and others for traditional geographic area exclusive use licenses. Meanwhile, the massive…

网络与互联网体系结构 · 计算机科学 2016-05-17 Fraida Fund , Shahram Shahsavari , Shivendra S. Panwar , Elza Erkip , Sundeep Rangan

The radio spectrum is a limited resource. Demand for wireless communication services is increasing exponentially, stressing the availability of radio spectrum to accommodate new services. TV White Space (TVWS) technologies allow a dynamic…

网络与互联网体系结构 · 计算机科学 2024-05-07 Rodney Martinez Alonso , David Plets , Margot Deruyck , Luc Martens , Wout Joseph

The 5th generation (5G) of wireless systems is being deployed with the aim to provide many sets of wireless communication services, such as low data rates for a massive amount of devices, broadband, low latency, and industrial wireless…

Large-scale deployment of Internet of Things (IoT) networks in the industrial, scientific, and medical (ISM) band leads to spectrum congestion and requires multiple gateways to cover wide areas. This will increase cost, complexity, and…

信号处理 · 电气工程与系统科学 2025-01-29 Muneer M. AlZubi , Mohamed-Slim Alouini

Wireless networking is rapidly growing and becomes an inexpensive technology which allows multiple users to simultaneously access the network and the internet while roaming about the campus. In the present work, the software development of…

网络与互联网体系结构 · 计算机科学 2007-05-23 Sourav Dhar , Rabindranath Bera

The utilization of unlicensed spectrum presents a promising solution to the issue of spectrum scarcity in densely populated areas, while also offering a cost-effective means to connect underserved regions. In response to this potential,…

信号处理 · 电气工程与系统科学 2026-04-07 Karim Saifullin , Hussein Al-Shatri , Mohamed-Slim Alouini

In recent years, the proliferation of mobile computing devices has driven a revolutionary change in the computing world. The nature of ubiquitous devices makes wireless networks the easiest solution for their interconnection. This has led…

其他计算机科学 · 计算机科学 2007-12-28 Al-Sakib Khan Pathan , Humayun Kadir Islam , Sabit Anjum Sayeed , Farruk Ahmed , Choong Seon Hong

The current utilization of the spectrum is quite inefficient; consequently, if properly used, there is no shortage of the spectrum that is at present available. Therefore, it is anticipated that more flexible use of spectrum and spectrum…

网络与互联网体系结构 · 计算机科学 2012-10-15 R. Kaniezhil , C. Chandrasekar

Spectrum scarcity is a prevalent problem in wireless networks due to the strict allotment of the spectrum (frequency bands) to licensed users by network regulatory bodies. Such an operation implies that the unlicensed users (secondary…

网络与互联网体系结构 · 计算机科学 2023-10-03 Nyashadzashe Tamuka , Khulumani Sibanda

The increasing popularity of Internet of Everything and small-cell devices has enormously accelerated traffic loads. Consequently, increased bandwidth and high data rate requirements stimulate the operation at the millimeter wave and the…

网络与互联网体系结构 · 计算机科学 2024-08-09 Anita Patil , Sridhar Iyer , Onel L. A. Lopez , Rahul J Pandya , Krishna Pai , Anshuman Kalla , Rakhee Kallimani

Wireless LAN is currently enjoying rapid deployment in University departments, business offices, hospitals and homes. It becomes an inexpensive technology and allows multiple numbers of the households to simultaneously access the internet…

网络与互联网体系结构 · 计算机科学 2007-05-23 Sourav Dhar , Rabindranath Bera , K. Mal

Cognitive radio (CR) is found to be an emerging key for efficient spectrum utilization. In this paper, spectrum sharing among service providers with the help of cognitive radio has been investigated. The technique of spectrum sharing among…

网络与互联网体系结构 · 计算机科学 2013-01-08 R. Kaniezhil , Dr. C. Chandrasekar
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