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antenna
(4557 results)-
Discussion Threads
Cracking Open the Samsung Galaxy S4
May 7, 2013 10:40am PDT
Cracking Open the Samsung Galaxy S4 article root Antennas? Where/what are the antennas? re: Antennas If I had to guess, I'd say built into one of the case halves. (Probably the front.) Picture...
3 Started by alove@... | Latest comment by rocket ride
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Whitepapers
A Study of Metamaterial Based Electrically Small Antenna to Enhance Gain
May 1, 2013 12:00am PDT
This is a review paper in which electrically small metamaterial-based antennas are discussed from the industrial point of view using mobile phones as the application example and dual band...
Provided by: International Journal of Advances in Engineering & Technology (IJAET)
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Whitepapers
Novel T-Shaped Planar Dual Band Antenna With Slotted Ground for ISM/WLAN Operations
May 1, 2013 12:00am PDT
In this paper, the authors propose a novel T-shaped planar dual band antenna in that two inverted L-shapes are used as additional resonators to produce the lower and upper resonant modes with high...
Provided by: International Journal of Soft Computing and Engineering (IJSCE)
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Whitepapers
Parasitic Microstrip Patch Antenna With Enhanced Bandwidth
May 1, 2013 12:00am PDT
This paper presents the design and simulation of parasitic Microstrip patch antenna with enhanced bandwidth. The Microstrip patch antenna becomes very popular day by day because of its ease of...
Provided by: Creative Commons
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Whitepapers
Performance of Distributed Beamforming for Dense Relay Deployments in the Presence of Limited Feedback Information
April 26, 2013 12:00am PDT
In this paper, the authors study the impact of quantized channel feedback on the performance of a (coherent) Distributed Beam-Forming (DBF) scheme. The analysis is done in the context of a...
Provided by: EURASIP
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Whitepapers
A Distributed Approach to Precoder Selection Using Factor Graphs for Wireless Communication Networks
April 19, 2013 12:00am PDT
In this paper, the authors address distributed parameter coordination methods for wireless communication systems. This proposes a method based on a message-passing algorithm, namely min-sum...
Provided by: EURASIP
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Whitepapers
Weighted Sum-Rate Maximization for Multi-User SIMO Multiple Access Channels in Cognitive Radio Networks
April 17, 2013 12:00am PDT
In this paper, an efficient distributed and parallel algorithm is proposed to maximize the sum-rate and optimize the input distribution policy for the Multi-User Single Input Multiple Output...
Provided by: EURASIP
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Whitepapers
Joint Precoding and Multivariate Backhaul Compression for the Downlink of Cloud Radio Access Networks
April 12, 2013 12:00am PDT
In this paper, the authors explains the joint design of pre-coding and backhaul compression strategies for the downlink of cloud radio access networks. In these systems, a central encoder is...
Provided by: New Jersey Institute of Technology
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Whitepapers
The Multicell Multiuser MIMO Uplink With Very Large Antenna Arrays and a Finite-Dimensional Channel
April 4, 2013 12:00am PDT
The authors consider multi-cell multiuser MIMO systems with a very large number of antennas at the Base Station (BS). They assume that the channel is estimated by using uplink training. They...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Training for Antenna Selection in Time-Varying Channels: Optimal Selection, Energy Allocation, and Energy Efficiency Evaluation
April 3, 2013 12:00am PDT
Single receive Antenna Selection (AS) is a popular method for obtaining diversity benefits without the additional costs of multiple radio receiver chains. Since only one antenna receives at any...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Effect of Receive Spatial Diversity on the Degrees of Freedom Region in Multi-Cell Random Beamforming
April 2, 2013 12:00am PDT
The Random BeamForming (RBF) scheme, by exploiting multi-user diversity based scheduling, is able to achieve interference-free downlink transmissions with only partial Channel State Information...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Broadband Slot Cut Gap-Coupled Proximity Fed E-Shaped Microstrip Antenna
April 1, 2013 12:00am PDT
The more commonly used techniques to realize broadband Micro-Strip Antenna (MSA) is by cutting the slot at an appropriate position inside the patch. Bandwidth of proximity fed E-shaped Micro-Strip...
Provided by: International Journal of Computer Applications
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Whitepapers
RFID Model and Study Its Performances
April 1, 2013 12:00am PDT
Radio Frequency IDentification (RFID) is a generic wireless system which transmits unique identity code using radio waves. This rapidly emerging technology, used to identify objects attached with...
Provided by: International Journal of Computer Applications
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Whitepapers
X - Band Fractal Microstrip Antenna for Wireless Application
April 1, 2013 12:00am PDT
Wideband application put a new demand on antennas pertaining to size, gain, efficiency, bandwidth and more. This paper presents the design and analysis of fractal antenna which uses the self...
Provided by: International Journal of Computer Applications
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Whitepapers
Omni Directional Antenna Assisted Scheme to Minimize Redundancy in Wireless Sensor Networks
April 1, 2013 12:00am PDT
Wireless Sensor Networks (WSNs) incorporate smart antennas for information propagation to offer connected coverage with reduced interference. This paper presents an omni directional antenna...
Provided by: mecs-press
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Whitepapers
Power Optimization in MIMO-CN with MANET
April 1, 2013 12:00am PDT
Cooperative communication has derived an interest for wireless network. Most existing papers on cooperative communications are focused on link-level physical layer issues such as topology control,...
Provided by: IOSR Journal of Engineering
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Whitepapers
Comparative Study of Path Loss Models of WiMAX at 2.5 GHz Frequency Band
April 1, 2013 12:00am PDT
Correct prediction of path loss is a pivotal step of WiMAX network planning to estimate external interference level and cell radius accurately. In this paper, different path loss models are...
Provided by: Science and Development Network (SciDev.Net)
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Whitepapers
Design & Analysis of Micro Strip Patch Antenna
April 1, 2013 12:00am PDT
Micro strip antenna is most common small sized antenna in which a metal patch is deposited on dielectric material. Micro strip patch antennas have been an attractive choice in mobile and radio...
Provided by: International Scientific Research Organization for Science, Engineering and Technology
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Whitepapers
Performance Comparison of MIMO Systems Over AWGN and Rician Channels Using OSTBC4 With Zero Forcing Receivers
April 1, 2013 12:00am PDT
Multiple-Input Multiple-Output (MIMO) is used in wireless communications to achieve high data rates within the limited frequency spectrum. MIMO uses multiple transmitting and receiving antennas so...
Provided by: Lovely Professional University
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Whitepapers
Adaptive Modulation Performance in MIMO-OSTBC Over Rayleigh Fading Channel
April 1, 2013 12:00am PDT
This paper presents the performance of adaptive modulation with multiple input multiple output orthogonal space time block coding MIMO-OSTBC over frequency selective Rayleigh fading channel using...
Provided by: The International Journals of Engineering & Sciences (IJENS)
