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Analysis of Geo Positioning System Using RF & DA
(Scientific Research Publishing, 2016-04)
Indoor positioning systems (IPSs) have been intended to provide position information of persons and devices. Higher user percentage of handheld devices such as tablets or mobile phones had led to the development of a number ...
Optimal M-BCJR Turbo Decoding: The Z-MAP Algorithm
(Scientific Research Publishing, 2011-10)
In this paper, we propose a novel idea for improvement performances of the leader M-BCJR algorithm functioning in low complexity. The basic idea consists to localize error instant possibility, and then increase the complexity ...
3 - 10 GHz Ultra-Wideband Low-Noise Amplifier Using Inductive-Series Peaking Technique with Cascode Common-Source Circuit
(Scientific Research Publishing, 2011-10)
The objective of this paper is to investigate a ultra-wideband (UWB) low noise amplifier (LNA) by utilizing a two-stage cascade circuit schematic associated with inductive-series peaking technique, which can improve the ...
Layout Design of LC VCO with Current Mirror Using 0.18 µm Technology
(Scientific Research Publishing, 2011-04)
This paper presents a new design of complementary oxide semiconductor voltage controlled oscillator (CMOS VCO) for improve tuning range and phase noise with low power consumption. Design is area efficient and easy to ...
A Self-Optimization of the Dynamic Resource Management Based on the Cognitive Radio
(Scientific Research Publishing, 2011-04)
This paper describes a novel self-optimized approach for resource management based on the cognitive radio in the cellular networks. The cognitive radio techniques offer several features like autonomy, sensing and negotiation. ...
Experimental Analysis of a Node B Coverage Based on the CPICH and Ec/Io Values
(Scientific Research Publishing, 2011-01)
This paper presents experimental results of a coverage analysis in a WCDMA network using the 850 MHz band; an urban electromagnetic propagation environment is considered. Obtained coverage estimation maps are based on Krige ...
Experimental Analysis of Voice and Data Transmission Parameters for Mobile Terminals in Cellular Data Networks
(Scientific Research Publishing, 2011-01)
This work presents the experimental results related to performance measurements in GSM and GPRS cellular data networks. Two Mobile Terminals were used, in order to take place the scenario. Power Level, Power vs Time, ...
Reconfigurable Microstrip Double-Dipole Antennas for Personal Wireless Communications
(Scientific Research Publishing, 2011-04)
In this paper, a number of reconfigurable antennas are designed to support multiband and wideband wireless applications in different frequency bands in the range between 1 GHz and 6 GHz. The proposed designs consist of ...
Aperture Coupled Microstrip Antenna for Dual-Band
(Scientific Research Publishing, 2011-04)
This paper presents air gap aperture coupled microstrip antenna for dual-band operation over the frequency range of (2.9 to 6.0 GHz). This antenna differs from any other microstrip antenna with their feeding structure of ...
Design of a Low Loss RF Mixer in Ku-Band (12 - 18 GHz)
(Scientific Research Publishing, 2012-01)
The goal of this paper is to design and develop low conversion loss mixers at Ku Band (12 - 18 GHz) in microstrip line configuration. The Ku-band (Kurtz-under band) is primarily used for satellite Communications, particularly ...