Results 121 to 130 of about 1,363,653 (314)

An Improved DMAC in Multi-channel WSNs

open access: yes工程科学与技术, 2008
:A method of multi-channel support for DMAC in WSNs was propossed.The channel assignment was based on the local information of nodes. The multi-channel DMAC protocol implemented channel distribution before message collecting from source nodes to sink ...
doaj  

Australian Broadcasting Tribunal: annual report 1987-1988

open access: yes, 1988
Annual report of the Commonwealth of Australia communications and broadcasting regulatory authority: the Australian Broadcasting ...
Australian Broadcasting Tribunal
core  

Australian Broadcasting Authority: annual report 2002-2003

open access: yes, 2003
Annual report of the Commonwealth of Australia communications and broadcasting regulatory authority: the Australian Broadcasting ...
Australian Broadcasting Authority
core  

Effectiveness Assessment of Underwater Area Cruise Based on the ADC Method

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT Underwater area surveillance plays a crucial role in upholding national security, safeguarding strategic interests, and mitigating potential threats. Despite its significance, a notable gap persists in the availability of comprehensive models for assessing its effectiveness.
Qingwei Liang   +3 more
wiley   +1 more source

Three Dimensional Concatenated Codes in OFDM Transmission System under a Rayleigh Fading Channel with Carrier Interference

open access: yesJournal of Engineering and Sustainable Development, 2008
Orthogonal frequency division multiplexing (OFDM) or multicarrier transmission has been shown to be an effective technique to combat multipath fading in wireless Communications.
Ghanim Abd AlKareem
doaj  

Development of robust DVB-T2 OFDM transmission: BER assessment and channel impairment mitigation for reliable high-definition broadcasting

open access: yesInformatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
This study develops and evaluates robustness improvements for Digital Video Broadcasting–Second Generation Terrestrial (DVB-T2) using an OFDM-based transmission model under real-world channel impairments. The method is based on a simulation model that is
Olarewaju Peter Ayeoribe
doaj   +1 more source

Australian Broadcasting Tribunal: annual report 1977-1978

open access: yes, 1979
Annual report of the Commonwealth of Australia communications and broadcasting regulatory authority: the Australian Broadcasting ...
Australian Broadcasting Tribunal
core  

Formation Control With Obstacle Avoidance of Underwater Swarms Based on Relative Visual Feedback

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT Underwater multi‐robot and swarm systems require advanced methodologies for controlling collective behavior. Conventional single‐robot techniques, such as tethering, sonar imaging, and acoustic localization, are not scalable or effective for swarm applications.
Andrea Infanti   +7 more
wiley   +1 more source

FOREIGN DISCOURSE AS A TOOL OF STATE STRATEGIC COMMUNICATION: CONCEPTUAL FOUNDATION

open access: yesІнтегровані комунікації
An in-depth analysis of international broadcasting as one of the primary instruments of state strategic communications in the context of global digitalization and information warfare is conducted in the article.
Maryna Skazhennyk
doaj   +1 more source

Australian Broadcasting Tribunal: annual report 1980-1981

open access: yes, 1981
Annual report of the Commonwealth of Australia communications and broadcasting regulatory authority: the Australian Broadcasting ...
Australian Broadcasting Tribunal
core  

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