- CNET NETWORKS UK BUSINESS SITES:
- atlarge.com
- BNET UK
- silicon.com
- SmartPlanet.com
- ZDNet.co.uk
41 stories on
Sort by: Date | Relevance
whitepaper A robotic positioning system has been developed to automatically control the position and orientation of the antenna array, which makes automated testing possible and greatly reduces engineering time.
[10 Apr 2008]
whitepaper Furthermore, since spatial diversity is the ultimate way to increase system capacity in bandwidth-cautious wireless applications, the SVD antenna-array processing algorithm is also implemented and will be integrated with the OFDM receiver.
[10 Apr 2008]
whitepaper This paper describes the design and testing of a feed network for a transparent flat plate array antenna. This antenna is the top of a stack of three antennas that must occupy the same volume while pointing in different directions.
[08 Jan 2008]
whitepaper The capacity and reliability of Multiple-Input Multiple-Output (MIMO) wireless communications systems may be sensitive to the design of the antenna arrays employed at the transmitter and receiver, as well as to the nature of the propagation...
[23 Aug 2007]
whitepaper Techniques of spatial diversity have been expanded to build foundations for advanced antenna array technology, to increase capacity in mobile wireless communication systems due to radiation patterns that direct energy only in the intended...
[01 Aug 2007]
whitepaper In this paper, an array antenna receiver using a maximum ratio combining technique for the SFN system where additive delay is inserted to the signal at the relay station is proposed. In the OFDM SFN system where the received signal from the main...
[18 Apr 2007]
whitepaper This paper deals with the problem of the multi-antenna array receiver optimization for OFDM-based wireless LANs. Conducted simulations show that the performance of the fuzzy inference-based classifiers can reach the optimum bayesian results at good...
[14 Apr 2007]
whitepaper This paper proposes a novel pre-Fast Fourier Transform (FFT) OFDM adaptive antenna array, which requires only one FFT processor at a receiver, for suppressing such delayed signals. It is well known that Orthogonal Frequency-Division Multiplexing...
[11 Apr 2007]
whitepaper Multicarrier Communication (MC) has capability of high speed transmission, fading combating, and simplicity of equalization leading to its widely application. Among many MC applications, OFDM (Orthogonal Frequency Division Multiplex) is a very...
[11 Apr 2007]
whitepaper An Array-OFDM system integrates OFDM and antenna array technology to harness the spatial signatures of received signals. Antenna arrays are a powerful means to exploit the spatial domain to provide an extra layer of co-channel interference...
[11 Apr 2007]
whitepaper In Orthogonal Frequency Division Multiplexing (OFDM) system, in order to reduce the influence of Co-Channel Interference (CCI), Minimum Mean Square Error-Adaptive Array Antenna (MMSE-AAA) is attractive.
[11 Apr 2007]
whitepaper The introduction of an array antenna system in the base station of a mobile communication system increases the spectral efficiency, reducing the co-channel interference and increasing the reuse factor of the systems.
[11 Apr 2007]
whitepaper In Wideband direct sequence Code Division Multiple Access (W-CDMA), employing an adaptive antenna array is a very promising technique to reduce severe Multiple Access Interference (MAI) from high rate users.
[10 Nov 2006]
whitepaper The use of a base-station antenna array is strongly endorsed in these systems, because of its capabilities of filtering out the interference in the space domain. Direct Sequence Code Division Multiple Access (DS-CDMA) is a core technology for...
[10 Nov 2006]
whitepaper Here, antenna arrays applied to uplink reception in a broadband F/TDMA cellular system are investigated. Adaptive array antennas are very effective in mitigating the effects of Co-Channel Interference (CCI) and multipath propagation in wireless...
[17 May 2006]
whitepaper This paper uses computational electromagnetic modeling techniques to study the capacity of urban battlefield mobile ad-hoc network nodes in which each node is equipped with a smart antenna array. Multiple-Input, Multiple-Output (MIMO) wireless...
[16 May 2006]
whitepaper The hybrid nature of the simulator allows study of the impact of array geometry, power normalization, and antenna separation on the performance of the MIMO communication channel. Designing, deploying, and evaluating MIMO communication links in...
[10 May 2006]
whitepaper If the angular spread is not zero, the diversity gain can be achieved in the antenna-array reception. In order to achieve the diversity gain, this paper proposes a beamforming method that utilizes two beamforming weight vectors and applies this...
[21 Feb 2006]
whitepaper It is demonstrated that the proposed Minimum Bit Error Rate (MBER) approach utilizes the system resource (antenna array elements) more intelligently, than the standard minimum mean square error (MMSE) approach.
[21 Feb 2006]
whitepaper This paper describes a new two-band coaxial CTS antenna array design for wireless communication services in both the C-and K-bands. Continuous Transverse Stub (CTS) is an antenna technology that offers greater tunable bandwidth than waveguide or...
[16 Feb 2006]
Sort by: Date | Relevance
Copyright ©1995-2008 CNET Networks, Inc. All rights reserved. Top of page
