Results 231 to 240 of about 24,580,897 (275)

Experimental Assessment of Trigger-Based MU-OFDMA for Deterministic Wi-Fi 6 Operation on COTS Devices. [PDF]

Sensors (Basel)
Orozco-Santos F, Sempere-Payá V, Silvestre-Blanes J.   +2 more
europepmc   +1 more source

Design, Properties and Applications of Multiple Dynamic Hydrogels. [PDF]

Materials (Basel)
Yang H, Wang S, Mehboob S, Zhang J.
europepmc   +1 more source

Response to: Limitations of the p16-3MR mouse model for detecting and eliminating senescent cells. [PDF]

EMBO Rep
Wang B, Nehme J, Demaria M.
europepmc   +1 more source

Multi-Objective Optimization of Milling Process Parameters Using MOWOA and Comprehensive Performance Evaluation via AHP-TOPSIS. [PDF]

Sensors (Basel)
Cai F, Xia R.
europepmc   +1 more source

Development and characterization of a Cre/<i>loxP</i> toolkit for genome engineering in <i>Komagataella phaffii</i>. [PDF]

Synth Syst Biotechnol
Song L, Hua L, Wu Y, Jiang X, Liu Q, Zheng Y, Cai M.   +6 more
europepmc   +1 more source

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Covert Non-Orthogonal Multiple Access

2020 IEEE Wireless Communications and Networking Conference (WCNC), 2020
We consider hiding a covert (private) message in non-orthogonal multiple access (NOMA) systems by superimposing (embedding) it under non-covert (public) messages. We determine the total detection error probability (sum of false alarm and missed detection probability), the adversary’s optimum detection strategy that minimizes the total detection error ...
Hien Q. Ta, Sang Wu Kim
openaire   +2 more sources

Multiple Codebook-Based Non-Orthogonal Multiple Access

IEEE Wireless Communications Letters, 2020
Observing that employing a single codebook (CB) per user transmission block in the conventional CB-based non-orthogonal multiple access (NOMA) schemes doesn’t exploit code and interference diversity and has limitations in some unfavorable channel conditions, this letter presents multiple CB-based NOMA (MC-NOMA) in which multiple CBs are employed by a ...
Ameha T. Abebe, Chung Gu Kang 0001
openaire   +2 more sources

Non-Orthogonal Multiple Access

Advanced Computing and Communications, 2019
Non-orthogonal multiple access (NOMA) has been recently proposed as a technique to increase the network throughput and to support massive connectivity, which are major requirements in the fifth generation (5G) communication systems. The NOMA can be realized through two different approaches, namely, in (a) power-domain, and (b) code-domain. In the power-
openaire   +1 more source

A Survey of Non-Orthogonal Multiple Access for 5G

2017 IEEE 86th Vehicular Technology Conference (VTC-Fall), 2017
Compared to the traditional orthogonal multiple access (MA), non-orthogonal multiple access (NOMA) technology can achieve higher capacity gain and higher spectrum efficiency, support larger massive connectivity. In this article, according to signal transmission characteristic, the NOMA schemes are classified into four categories: scrambling based NOMA,
Kun Lu, Zhanji Wu, Xuanbo Shao
openaire   +2 more sources

Throughput optimization of cooperative non orthogonal multiple access

Telecommunication Systems, 2020
This paper derives the outage and packet error probabilities of Non Orthogonal Multiple Access (NOMA) systems. In the first time slot, the Base Station transmits a combination of two symbols $$s_w$$ and
Ghassan Alnwaimi, Hatem Boujemaa, Kamran Arshad   +2 more
openaire   +2 more sources