array antenna
RSS array antennaBandwidth Enhancement of Strip-Loaded Radial-Line Slot Array Antenna by the Inclusion of Canceling Slots
White Paper The suitable design of the antenna elements reduces the excitation of cancelling slots and consequently the radiation distortion introduced by them. This paper proposes a new design of linearly polarized radial-line slot-array antennas (LP-RLSA... [11 Jul 2008]
Design and Testing of a Feed Network for a Transparent Antenna Array
White Paper 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]
Optimum Beamforming for Pre-FFT OFDM Adaptive Antenna Array
White Paper 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]
Reception of OFDM Signals With an Array Antenna in a SFN Environment
White Paper 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]
Reconfigurable Antenna Array Architecture for OFDM Receivers
White Paper 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]
Experiments on Coherent Adaptive Antenna Array Diversity for Wideband DS-CDMA Mobile Radio
White Paper 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]
Design of a Multi-Band Antenna Array Using CTS and Photonic Band Gap Technologies
White Paper 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]
Two-Dimensional RLS OFDM Adaptive Array Antenna Using Signals of Adjacent Subcarriers
White Paper Post-FFT type orthogonal frequency division multiplexing (OFDM) adaptive array antenna can reduce the co-channel interference with a few antenna elements under multi-path fading environment. However, the Post-FFT type OFDM adaptive array antenna... [21 Oct 2004]
Adaptive Array Antenna for W-CDMA Systems
White Paper The adaptive array antenna (AAA) is one of the advanced techniques that will be implemented in the IMT-2000 mobile telecommunications systems to achieve a high system capacity. Fujitsu developed three functions for the AAA: a digital beam former... [24 Jul 2004]
The Impact of Antenna-Array Receivers on the Reverse Link Performance of CDMA2000 1xEV High Rate Packet Data Systems
White Paper This paper explores the possibility of improving the reverse link performance (in terms of coverage and data throughput) of IS-856 using adaptive antenna array receivers. Specifically, it considers the effect of array size, configuration and... [03 Aug 2004]
Blind DS-CDMA Data and Channel Estimation With an Antenna Array: GSIC/MP/PSP Approach
White Paper This paper considers a blind DS-CDMA data and channel estimation algorithm using a uniform circular array. The channels are assumed to be sparse and static during a short packet transmission period. The channel estimates for different users yield... [07 Feb 2006]
MUSIC for OFDM by Using an Uniform Antenna Array With Two Elements
White Paper 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]
A Mutual Coupling Model for MIMO Systems
White Paper In a MEA, mutual coupling depends on the antenna element separation, geometry of array and antenna elements, location of antenna elements in the array, frequency, substrate thickness and constant, near-field scatterers, and Direction Of Arrival... [16 Feb 2006]
Diversity Reception for OFDM Systems Using Antenna Arrays
White Paper 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]
Diversity Gain for CDMA Systems Equipped With Antenna Arrays
White Paper 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]
