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Research on IOT Control module for Smart Kitchen Based on AIOT Technology
2023
Academic Journal of Science and Technology
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Through the design of module hardware and MQTT communication protocol, problems such as few wireless links supported by the IOT control module and no national security algorithm for security authentication ...
In this paper, an IOT control module for smart kitchen based on AIOT is proposed. ...
5G/4G antenna interface as the wireless link interface module for communication with the application layer. ...
doi:10.54097/ajst.v4i2.4119
fatcat:pumtcxw2xffshgd7yi652j22ju
Layered view of QoS issues in IP-based mobile wireless networks
2006
International Journal of Communication Systems
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This paper reviews issues and prevailing solutions to performance enhancements and QoS provisioning for IP services over mobile wireless networks from a layered and cross-layer design point of view. ...
Wireless networks extend the current IP service infrastructure to a mix of transmission media, bandwidth, costs, coverage, and service agreements, requiring enhancements to the IP protocol layers in wireless ...
An adaptive antenna system, which is the most advanced smart antenna solution to date, combines the adaptive signal processing algorithm to effectively track Increased Capacity -precise control of signal ...
doi:10.1002/dac.778
fatcat:bhdazbheqvgkznrzsbroeu73zi
Montecarlo Simulation Applied to Measurement of the Impact of the Smart Antenna Technology in Digital Cellular Systems
2015
Ingeniería Investigación y Tecnología
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The smart antenna technology has received increasing interest due to its capability for improving the performance of wireless radio systems. ...
We focus, in the study of the downlink of a 3G cellular system and consider a packet data direct-sequence code division, multiple access (DS-CDMA). ...
Throughput maximization in CDMA uplinks using adaptive spreading and power control, -Sindhushayana N.T. and Black P.J. Forward link coding and mo-Symp. ...
doi:10.1016/j.riit.2015.03.005
fatcat:4x3g27yghzherlcyt5pjgwb3ru
A Feasibility Study On C-RAN
2018
Zenodo
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C-RAN, having one baseband unit (BBU) communicates with users through distributed Remote Radio Heads (RRHs) .RRH are connected to the BBU via high capability, low latency fronthaul links and performs soft ...
C-RAN is used for boosting of data services and applications, in wireless system mainly used in voice, data e-mail, video .Now a days increasing demand of data services and users C-RAN is used, earlier ...
The main challenges are requirement of large base station, base station utilization rate is low, base station processing units power cannot be shared among other units and for faster data services upgrade ...
doi:10.5281/zenodo.1492961
fatcat:mknkhoayn5gsvguk6b6mpi6v64
A Generic and Configurable Topology Discovery Service for Software Defined Wireless Multi-Hop Network
2017
Proceedings of the 15th ACM International Symposium on Mobility Management and Wireless Access - MobiWac '17
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We present a topology discovery service for software-defined wireless multi-hop networks, which is capable of capturing rich information about the network topology, such as link quality, interference and ...
node characteristics etc., to effectively support the requirements of higher-layer SDN applications such as routing, channel allocation and transmission power control with enhanced flexibility. ...
The diverse wireless links metrics should also be used to assess the level interference of each link.
Transmission power control. ...
doi:10.1145/3132062.3132081
dblp:conf/mobiwac/ChenABNG17
fatcat:fu4rdkuaqzew5fzysbb5eyox5e
Perspectives for present and future CDMA-based communications systems
2005
IEEE Communications Magazine
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The fundamental parameters to be adapted include modulation and coding levels, but other quantities can be adjusted, such as power levels (as in power control), spreading factors, and signaling bandwidth ...
Moreover, high-data-rate transmissions in wireless channels require proper link adaptation techniques; these are thoroughly described as well. ...
doi:10.1109/mcom.2005.1391507
fatcat:ko2l4almjzadpby64r6etzv52u
Review of Key Technologies of 5G Wireless Communication System
2015
MATEC Web of Conferences
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Additionally, there are some other potential technologies for 5G, such as NOMA, FBMC, mm Waves, and Multi-carrier technology aggregation. ...
Furthermore, the technical innovation of 5G comes from both wireless and network technologies. ...
Down: the FBMC technology Application layer
Application
Application
Application
Control layer
Forwarding/data layer
Network services
Network services
Network services
Network
Operating ...
doi:10.1051/matecconf/20152201005
fatcat:hhbmz7qotbannktry5iktjgusq
The Research of Ad hoc Network Routing Protocol Based on Energy
2015
International Journal of Smart Home
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, adventure, war or hazardous environments goal surveillance applications, but also for a limited extension of the network end network services. ...
This paper introduces the basic concepts and key technologies of Ad hoc, and summarized the traditional Ad hoc network routing protocol, commonly used for energy saving existing routing protocol control ...
Power Control Strategy for the data link layer is divided into three types: adaptive power, not for strict control of power delay; large fixed SINR strategy, energy consumption; QOS -based distributed ...
doi:10.14257/ijsh.2015.9.11.08
fatcat:f4gnudkuunfk3n7v34uwmeudma
Research on Application of Electricity Emergency Communication Based on Multi-situation Awareness
2020
American Journal of Science, Engineering and Technology
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provincial, city, and even county levels. ...
It is foreseeable that in the future, power emergency communications will present a trend of polymorphism. ...
Acknowledgements This work has been funded by the Zhejiang Electric Power Company. Thanks for their efforts and fund that leads to complete this research and development. ...
doi:10.11648/j.ajset.20200502.13
fatcat:ri2yf43tqbhyplm3mobkbpuaey
Evolution from TD-SCDMA to FuTURE
[chapter]
2009
Internet and Communications
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At the same time, the requirements for higher data rate and higher quality wireless communication service are brought forward by users. ...
According to various kinds of services, the transmit antennas could be selected for transmission adaptively based on channel conditions and data rates required. Adaptive power allocation. ...
doi:10.1201/9781420072112.ch2
fatcat:xnhslgf2qfhe5gadpbmzzyc45u
Current Situation and Development Trend of Mobile Communication Systems
2018
Journal of Secure Communication and System
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In the downlink, in order to achieve fast and adaptive power control algorithm, power control sub-channel is included to achieve the forward closed-loop power control. 4, Smart antenna. ...
The same short code structure as IS-95 adding the Walsh function to minimize the average transmit power of the forward link between quadrature, high-speed (800 bit / s) forward link power control. ...
resources, but with a smart antenna, it is possible to dynamically allocate power according to the level of service quality and requirements for diff erent users, and to ensure that interference does not ...
doi:10.18063/jscs.v1i1.513
fatcat:lekpnpk4yjbh7npz6o5rmzi5j4
Adaptation and mobility in wireless information systems
1994
IEEE personal communications
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A confusing array of new wireless "untethered" communications services, for voice and data, in real-time or delayed, interactive or one-way, in-building or out-of-doors, are rapidly becoming available. ...
In this paper, we argue that despite the widely varying issues of engineering that span the creation of these diverse wireless services, the unique underlying aspect is that they must be able to adapt ...
The adaptive power control scheme can insure that all transmitted signals are at the same level within the cell [Lee 93 ]. ...
doi:10.1109/98.295355
fatcat:pmtfvoazmbfmjnr5p42fi77kgi
Fixed broadband wireless access: state of the art, challenges, and future directions
2001
IEEE Communications Magazine
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Finally, we show that the use of multiple antennas at both ends of a fixed wireless link provides significant leverages. ...
Focusing on the band below 3 GHz, we describe BWA service and carrier needs, deployment scenarios, architectural requirements, physical layer, medium access control, and radio link protocol requirements ...
Krishnamoorthy for useful discussions and for their comments on an earlier version of the manuscript. ...
doi:10.1109/35.894383
fatcat:dnqijwcnsbfkfbq72pfc3c2o2u
mmWave Backhaul Testbed Configurability Using Software-Defined Networking
2019
Wireless Communications and Mobile Computing
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In our approach, the SDN control plane is not only responsible for configuring the forwarding plane but also for the link configuration, antenna alignment, and adaptive mesh node power on/off operations ...
Moreover, a wireless backhaul allows the dynamic reconfiguration of the backhaul topology to match varying traffic demands or adaptively power on/off small cells for green backhaul operation. ...
The SDN control plane would only be responsible for the forwarding rule installation in the data plane. ...
doi:10.1155/2019/8342167
fatcat:4ziv4ssutracjnwj24zpthwt3y
Medium access control protocols for wireless mobile ad hoc networks: issues and approaches
2003
Wireless Communications and Mobile Computing
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In this article, a comprehensive survey of the medium access control (MAC) approaches for wireless mobile ad hoc networks is presented. ...
The complexity in MAC design for wireless ad hoc networks arises due to node mobility, radio link vulnerability and the lack of central coordination. ...
Efficient and implementation-friendly dynamic radio link adaptation mechanisms need to be developed for wireless ad hoc networks. ...
doi:10.1002/wcm.118
fatcat:ddn3s4g35jhrbcnvmmdyj34sf4
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