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The Network-on-chip (NoC) designs consisting of large pack of Intellectual Property (IP) blocks (cores) on the same silicon die is becoming technically possible nowadays. But, the communication between the IP Cores is the main issue in…

新兴技术 · 计算机科学 2012-05-22 V. Rajesh , P. Vijaya Kumar

In Fixed Wireless Applications (FWA), the Code Division Multiple Access (CDMA) is the most promising candidate for wideband data access. The reason is the soft limit on the number of active mobile devices. Many Fixed Wireless Applications…

信息论 · 计算机科学 2012-12-12 Muhammad Zeeshan , Shoab A Khan , Muhammad Yasir Malik

We model, demonstrate and characterize Dispersion Code Multiple Access (DCMA) and hence show the applicability of this purely analog and real-time multiple access scheme to high-speed wireless communications. We first mathematically…

信息论 · 计算机科学 2017-03-31 Lianfeng Zou , Shulabh Gupta , Christophe Caloz

In this paper, we present a physical-layer security scheme that exploits artificial noise (AN) to secure the downlink legitimate communications and transfer energy to nodes operating under non-cooperative non-orthogonal multiple-access…

信息论 · 计算机科学 2020-08-18 Ahmed Badawy , Ahmed El Shafie

This paper investigates the physical layer security of a non-orthogonal multiple access (NOMA) system assisted by a tertiary-mode simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS), which can perform…

信号处理 · 电气工程与系统科学 2026-03-31 Mansi Nema , Kuntal Deka , Sanjeev Sharma , Tharmalingam Ratnarajah

In this paper, we study the design of secure communication for time division duplexing multi-cell multi-user massive multiple-input multiple-output (MIMO) systems with active eavesdropping. We assume that the eavesdropper actively attacks…

信息论 · 计算机科学 2018-01-23 Yongpeng Wu , Chao-Kai Wen , Wen Chen , Shi Jin , Robert Schober , Giuseppe Caire

Non-orthogonal multiple access (NOMA) is regarded as a candidate radio access technique for the next generation wireless networks because of its manifold spectral gains. A two-phase cooperative relaying strategy (CRS) is proposed in this…

信息论 · 计算机科学 2019-02-26 Md. Fazlul Kader , Mohammed Belal Uddin , S. M. Riazul Islam , Soo Young Shin

Convergence constrained power allocation (CCPA) in single carrier multiuser (MU) single-input multiple-output (SIMO) systems with turbo equalization is considered in this paper. In order to exploit full benefit of the iterative receiver,…

信息论 · 计算机科学 2016-11-17 Valtteri Tervo , Antti Tölli , Juha Karjalainen , Tad Matsumoto

A novel generalized coordinated multi-point transmission (GCoMP)-enabled non-orthogonal multiple access (NOMA) scheme is proposed. In particular, the traditional joint transmission CoMP scheme is generalized to be applied for all…

信息论 · 计算机科学 2019-01-31 Yasser Al-Eryani , Ekram Hossain , Dong In Kim

IEEE 802.16 standard supports two different topologies: point to multipoint (PMP) and Mesh. In this paper, a QoS mechanism for point to multipoint of IEEE 802.16 and BS scheduler for PMP Mode is proposed. This paper also describes quality…

网络与互联网体系结构 · 计算机科学 2010-06-15 Maninder Singh kamboj , Harwinder Singh

This paper investigates an uplink coordinated multi-point (CoMP) coverage scenario, in which multiple mobile users are grouped for sparse code multiple access (SCMA), and served by the remote radio head (RRH) in front of them and the RRH…

信号处理 · 电气工程与系统科学 2023-02-20 Yao Ge , Qinwen Deng , David González G. , Yong Liang Guan , Zhi Ding

In this letter, a new power allocation scheme is proposed to improve the reliability of cooperative non-orthogonal multiple access (CO-NOMA). The strong user is allocated the maximum power, whereas the weak user is allocated the minimum…

信号处理 · 电气工程与系统科学 2020-11-26 Sana Riaz , Fahd Ahmed Khan , Sajid Saleem , Qasim Zeeshan Ahmed

We consider the problem of efficient packet dissemination in wireless networks with point-to-multi-point wireless broadcast channels. We propose a dynamic policy, which achieves the broadcast capacity of the network. This policy is obtained…

网络与互联网体系结构 · 计算机科学 2017-02-20 Abhishek Sinha , Eytan Modiano

\underline{S}imultaneous \underline{t}ransmitting \underline{a}nd \underline{r}eflecting \underline{s}urface (STARS)-assisted systems have emerged to fill this gap by providing $ 360^{\circ}$ wireless coverage. In parallel, full-duplex (FD)…

The envisioned wireless networks of the future entail the provisioning of massive numbers of connections, heterogeneous data traffic, ultra-high spectral efficiency, and low latency services. This vision is spurring research activities…

网络与互联网体系结构 · 计算机科学 2023-09-13 Xuelin Cao , Bo Yang , Chongwen Huang , George C. Alexandropoulos , Chau Yuen , Zhu Han , H. Vincent Poor , Lajos Hanzo

In this paper, we propose a joint dynamic power control and user pairing algorithm for power-efficient and low-latency hybrid multiple access systems. In a hybrid multiple access system, user pairing determines whether the transmitter…

信号处理 · 电气工程与系统科学 2019-08-13 Minseok Choi , Joongheon Kim , Jaekyun Moon

In this paper, we characterize the performance of relay-assisted underwater wireless optical code division multiple access (OCDMA) networks over turbulent channels. In addition to scattering and absorption effects of underwater channels, we…

信息论 · 计算机科学 2016-02-23 Mohammad Vahid Jamali , Farhad Akhoundi , Jawad A. Salehi

We evaluate the downstream performance of our novel interoperator fixed-mobile network sharing, in which operators exchange data in their access networks. We propose a performance evaluation algorithm, and report credible performance…

网络与互联网体系结构 · 计算机科学 2019-05-14 Ireneusz Szcześniak , Andrzej R. Pach , Bożena Woźna-Szcześniak

This paper considers the application of multiple-input multiple-output (MIMO) techniques to non-orthogonal multiple access (NOMA) systems. A new design of precoding and detection matrices for MIMO-NOMA is proposed and its performance is…

信息论 · 计算机科学 2015-03-19 Zhiguo Ding , Fumiyuki Adachi , H. Vincent Poor

In this paper, we present a simultaneous target tracking and multi-user communications system realized by a full duplex holographic Multiple-Input Multiple-Output (MIMO) node equipped with Dynamic Metasurface Antennas (DMAs) at both its…

信息论 · 计算机科学 2024-01-23 Ioannis Gavras , George C. Alexandropoulos