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In video streaming applications especially during live streaming events (such as the Super Bowl), video traffic can account for a significant portion of network traffic and can lead to severe network congestion. During such events,…

Networking and Internet Architecture · Computer Science 2023-05-25 Sadaf Ul Zuhra , Prasanna Chaporkar , Abhay Karandikar , H. Vincent Poor

Today, we have required to accommodate a large number of users under a single base station. This can be possible only if we have some flexibility over the spectrum. Previously we have lots of multiplexing methods to accommodate large number…

Information Theory · Computer Science 2014-07-01 Sutanu Ghosh

In this paper, we consider multi-quality multicast beamforming of a video stream from a multi-antenna base station (BS) to multiple single-antenna users receiving different qualities of the same video stream, via scalable video coding…

Information Theory · Computer Science 2017-07-18 Chengjun Guo , Ying Cui , Derrick Wing Kwan Ng , Zhi Liu

Interleaved Frequency Division Multiple Access (IFDMA) and Orthogonal FDMA (OFDMA) belong to a class of signal modulation and multiple-access techniques in which information of multiple users are multiplexed and carried on subcarriers…

Signal Processing · Electrical Eng. & Systems 2020-10-16 Yulin Shao , Soung Chang Liew

In this letter, we analyze the performance of mixed coherent and non-coherent transmissions approach, which can improve the performance of cell-free multiple-input multiple-output orthogonal frequency division multiplexing (CF mMIMO-OFDM)…

Information Theory · Computer Science 2024-11-12 Guoyu Li , Shaochuan Wu , Changsheng You , Wenbin Zhang , Guanyu Shang

This paper studies energy efficient resource allocation for a machine-to-machine (M2M) enabled cellular network with non-linear energy harvesting, especially focusing on two different multiple access strategies, namely non-orthogonal…

Information Theory · Computer Science 2017-11-30 Zhaohui Yang , Wei Xu , Yijin Pan , Cunhua Pan , Ming Chen

Nowadays, Internet of Video Things (IoVT) grows rapidly in terms of quantity and computation demands. In spite of the higher local computation capability on visual processing compared with conventional Internet of Things devices, IoVT…

Networking and Internet Architecture · Computer Science 2021-08-31 Fengqian Guo , Hancheng Lu , Bo Li , Dingxuan Li , Chang Wen Chen

Orthogonal Frequency Division Multiplexing (OFDM) is the key component of many emerging broadband wireless access standards. The resource allocation in OFDM uplink, however, is challenging due to heterogeneity of users' Quality of Service…

Networking and Internet Architecture · Computer Science 2015-03-17 Xiaoxin Zhang , Liang Chen , Jianwei Huang , Minghua Chen , Yuping Zhao

Multiview camera setups have proven useful in many computer vision applications for reducing ambiguities, mitigating occlusions, and increasing field-of-view coverage. However, the high computational cost associated with multiple views…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Yunzhong Hou , Stephen Gould , Liang Zheng

Nowadays, distributed smart cameras are deployed for a wide set of tasks in several application scenarios, ranging from object recognition, image retrieval, and forensic applications. Due to limited bandwidth in distributed systems,…

Computer Vision and Pattern Recognition · Computer Science 2017-06-02 Ali Taalimi , Alireza Rahimpour , Liu Liu , Hairong Qi

Future wireless communication systems must simultaneously address multiple challenges to ensure accurate data detection, deliver high Quality of Service (QoS), adding enable a high data transmission with low system design. Additionally,…

Information Theory · Computer Science 2024-10-03 Amina Darghouthi , Abdelhakim Khlifi , Belgacem Chibani

Multicarrier-low density spreading multiple access (MC-LDSMA) is a promising multiple access technique that enables near optimum multiuser detection. In MC-LDSMA, each user's symbol spread on a small set of subcarriers, and each subcarrier…

Information Theory · Computer Science 2017-05-15 Mohammed Al-Imari , Muhammad Ali Imran , Pei Xiao

Virtual reality (VR) is making waves around the world recently. However, traditional video streaming is not suitable for VR video because of the huge size and view switch requirements of VR videos. Since the view of each user is limited, it…

Networking and Internet Architecture · Computer Science 2019-06-28 Jie Feng , Yongpeng Wu , Guangtao Zhai , Ning Liu , Wenjun Zhang

In this paper, resource allocation for multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) downlink networks with large numbers of base station antennas is studied. Assuming perfect channel state…

Information Theory · Computer Science 2012-11-16 Derrick Wing Kwan Ng , Robert Schober

The emerging orthogonal time frequency space (OTFS) modulation technique has shown its superiority to the current orthogonal frequency division multiplexing (OFDM) scheme, in terms of its capabilities of exploiting full time-frequency…

Signal Processing · Electrical Eng. & Systems 2019-12-02 Weijie Yuan , Zhiqiang Wei , Jinhong Yuan , Derrick Wing Kwan Ng

Broadcasting/multicasting is an efficient mechanism for multimedia communications due to its high spectrum efficiency, which achieves point-to-multipoint transmission on the same radio resources. To satisfy the increasing demands for…

Information Theory · Computer Science 2017-03-17 Zhengquan Zhang , Zheng Ma , Ming Xiao , Pingzhi Fan

Multiple access techniques are vital for 5G and beyond. While Orthogonal Frequency Division Multiple Access (OFDMA) is standard, its high peak-to-average power ratio (PAPR) reduces energy efficiency in uplink transmissions. This paper…

Signal Processing · Electrical Eng. & Systems 2026-04-13 Gokce Hacioglu , Serkan Vela

Millimeter-wave (mmWave) technology is a crucial enabler for next-generation networks because it offers substantially greater available bandwidth. mmWave multiple-input multiple-output (MIMO) systems cannot rely solely on fully digital…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Navid Reyhanian , Parisa Ramezani , Emil Björnson

Immersive virtual reality (VR) applications require ultra-high data rate and low-latency for smooth operation. Hence in this paper, aiming to improve VR experience in multi-user VR wireless video streaming, a deep-learning aided scheme for…

Information Theory · Computer Science 2020-01-13 Cristina Perfecto , Mohammed S. Elbamby , Javier Del Ser , Mehdi Bennis

Operators of networks covering large areas are confronted with demands from some of their customers who are virtual service providers. These providers may call for the connectivity service which fulfils the specificity of their services,…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-05-04 Vincent Reinhard , Johanne Cohen , Joanna Tomasik , Dominique Barth , Marc-Antoine Weisser
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