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| 2. |
- Zetterberg, P., et al.
(författare)
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Initial multi-node and antenna transmitter and receiver architectures and schemes; Deliverable D5.1
- 2016
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- This deliverable provides the initial concepts and solutions from the technical work related to multi-antenna and multi-node transceiver schemes in millimetre wave (denoted as 6-100GHz) spectrum. It also briefly presents the use cases on which the work will be based and categorises the solutions in terms of their applicability to access, backhaul and relay deployments. Another important contribution from this report is the modelling of the hardware impairments in millimetre wave transceivers and the analysis of their impact on system performance.
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| 3. |
- Hwang, T., et al.
(författare)
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Green Radio
- 2015
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Ingår i: Green Communications. - Chichester, UK : Wiley-Blackwell. ; , s. 119-134
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Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
- This chapter gives a comprehensive introduction to state-of-the-art energy-efficient communications, focusing on the physical (PHY) and medium access control (MAC) layers of wireless communication systems. The PHY layer consists of RF circuits, modulation, power control, and channel coding units, and so on and delivers data transmission as reliably as possible. The MAC layer ensures network-wide efficient resource management while maintaining quality of service (QoS) requirements of individual users. As wireless is a shared communication medium, with wireless communications, device energy consumption is not only affected by the designs of different layers of the point-to-point communicating link but also by the interactions of all links in the network. A system approach is therefore necessary for energy-efficient wireless communications system design. The focus of this chapter is on wireless system design, analysis, and optimization emphasizing energy efficiency enhancement while meeting given performance requirements. Since the design of all protocol layers impact energy consumption, this chapter introduces cross-layer energy-efficient techniques to reduce redundant message transfers and the associated energy consumption. Cross-layer techniques exploit interactions between different layers to significantly improve energy efficiency and adaptability to service, traffic, and environment dynamics.
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| 4. |
- Khorsand Kheirabad, Atefeh, 1991-, et al.
(författare)
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Ice-assisted Porous Poly(ionic liquid)/MXene Composite Membranes for Solar Steam Generation
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Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
- Controlled regulation of polymer-based porous membranes via innovative methods is of considerable interest yet it remains a challenge. Herein, we established a general approach to fabricate porous polyelectrolyte composite membranes (PPCM)s from poly(ionic liquid) (PIL) and MXene via an ice-templating method. This process enabled the formation of a uniformly distributed macroporous structure within the membrane. The unique characteristics of the as-produced composite membranes displays significant light-to-heat conversion and excellent performance for solar-driven water vapor generation. This facile synthetic strategy breaks new grounds for developing composite porous membranes as high-performance solar steam generator for clean water production.
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| 5. |
- Liu, Ximeng, et al.
(författare)
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Guest Editorial: 5G-enabled Intelligent Application for Distributed Industrial Internet-of-Thing System
- 2022
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Ingår i: IEEE Transactions on Industrial Informatics. - : IEEE. - 1551-3203 .- 1941-0050. ; 18:4, s. 2807-2810
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- As a novel network infrastructure that realizes the interconnection of humans, machines, and things, the 5G-based or blockchain-based applications have been widely deployed in the Industrial Internet of Things (IIoT). However, there are still many challenges to be solved, such as poor scalability, low efficiency, and privacy leakages. In the special issue, we present eight advanced solutions in data analysis, secure communication, authentication, access control, and data deduplication.
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