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Multiple Antenna Systems in WiMAX
White Paper One of the strengths of the WiMAX PHY is the ease with which it supports and cooperates with multiple antenna technologies. Multiple antenna systems are being implemented in both... [23 Apr 2009]
Using XSIC Technology in Fixed WiMAX Networks for Improved Network Economics and User Experience
White Paper The WiMAX forum proposes two main techniques for enhancing spectral efficiency: using aggressive reuse schemes and using smart antenna techniques such as AAS (Adaptive Antenna Systems)... [23 Apr 2009]
MIMO Techniques for Mobile WiMAX Systems
White Paper These include adaptive modulation and coding, and multiple antenna techniques such as transmit/receive diversity and spatial multiplexing. The WiMAX standard includes many different features and options... [23 Apr 2009]
Microstrip Filters and Diplexers for WiMAX Applications
White Paper Diplexers are three port devices which are commonly used after multi-band or wide band antenna, take two or more frequencies in input port and separate them to two output ports. A broadband wireless access communications... [23 Apr 2009]
Patterns of Success: Antenna Patterns to Play a Key Role in WiMAX Success
White Paper This positions the base station antenna system as critical to WiMAX long-term success. Going forward, antenna pattern shaping and interference control will play a significant role in... [22 Apr 2009]
Miniature Multiband Antennas for Hand Held WiMAX and WiFi Application
White Paper This paper presents a MIMO multi-band antenna system designed for WIMAX and WLAN applications. The antenna system includes two receive and one transmit antennas designed to cover the... [22 Apr 2009]
Adaptive Antenna Array for IEEE802.16e Base Station in the Presence of Multipath and Interference and Considering Mutual Coupling Effects
White Paper In this paper, an adaptive antenna array beamformer for the Base Station of Mobile WiMAX (IEEE802.16e) is designed. This antenna is considered for uplink beamforming in presence of... [22 Apr 2009]
Performance Analysis of Multiantenna WiMAX Systems Over Frequency-Selective Fading Channels
White Paper A multicell WiMax system which supports Orthogonal Frequency Division Multiplexing (OFDM) and antenna arrays at the base stations is considered in this paper as conforming to the IEEE 802.16-2004 standard. [22 Apr 2009]
MIMO Channel Sounder at 3.5 GHz: Application to WiMAX System
White Paper The use of antenna arrays at emission and reception seems to represent a prominent solution for future wireless systems, it improves data rates and enhances the quality of service. Different antenna... [22 Apr 2009]
System Level Performance of Cellular WiMAX IEEE 802.16 With SDMA-Enhanced Medium Access
White Paper Recent years have witnessed an ever-increasing interest in smart antenna technologies to boost the capacity of existing and future wireless systems. This paper investigates the potential of smart antenna... [22 Apr 2009]
Deployment and Design of Multiantenna Solutions for Fixed WiMAX Systems
White Paper This paper investigates the deployment of multi-antenna base stations and the related design of signal processing algorithms for interference mitigation, for the uplink of IEEE 802.16-2004 systems. Extensive numerical... [22 Apr 2009]
An Overview of WiMAX Radiated Performance Test Requirements and Related Test System Solutions
White Paper Advantages of using RPT measurements are that a WiMAX mobile device maker can measure the effect of changes to a product platform, such as the embedded antenna(s) without having to repeat other... [15 Apr 2009]
Experimental Evaluation of Adaptive Modulation and Coding in MIMO WiMAX With Limited Feedback
White Paper The measurements show that at small SNR values, a single antenna transmission often outperforms an Alamouti transmission. The paper found that this effect is caused by the asymmetric behavior of the wireless channel and... [15 Apr 2009]
WiMAX Forum Position Paper for WiMAX Technology in the 700 MHz Band
White Paper Even though WiMAX systems based on OFDMA employ the most advanced technology in terms of modulation schemes and advanced antenna systems, cell ranges are constrained by physical propagation... [01 Apr 2009]
The Business of WiMAX: Impact of Technology, Architecture & Spectrum on the WiMAX Business Case
White Paper With OFDMA air interface, all IP architecture, and multiple advanced antenna options including MIMO and beamforming, WiMAX delivers the high performing connections to deliver fixed broadband with deep... [01 Apr 2009]
