spectral
Access Service Network Gateway in WiMAX
White Paper WiMAX with very high data rate and huge spectral radius along with OFDMA based IP technology is well equipped to overcome the above challenges. The high data rate demand for applications such as real-time audio, video,... [12 Nov 2009]
MIMO: From Theory to Reality
White Paper Driven by the even growing demand of higher data rate with the scarce spectrum resource, the theoretical breakthrough has been made and demonstrated significant increase on channel capacity (spectral efficiency) over... [15 Aug 2009]
A Hybrid Approach to Efficient Detection of Distributed Denial-of-Service Attacks
White Paper The system is designed as a two-stage architecture incorporating the change-point detection methodology, used for early attack identification, and further spectral profiling, used for confirmation of the attack presence. [20 Jun 2009]
Cheat Sheet: LTE - beyond 3G
Cheat Sheet Its spectral efficiency is better than 2G and 3G networks - meaning more bits of data can be squeezed from the same amount of spectrum. LTE? Isn't that a Chinese mobile maker? No, no, that's ZTE but you're in the right... [12 Jun 2009]
Mobile future: TV, power and the 'internet of things'
News Looming capacity shortage is another issue that cannot be ignored, he said: "There are only so many more bits per hertz that we can wring out of spectral efficiency. Figuring out new business models, solving the wireless... [06 May 2009]
Using XSIC Technology in Fixed WiMAX Networks for Improved Network Economics and User Experience
White Paper Substantiating the WiMAX business case requires efficient ways of maximizing spectral efficiency. The WiMAX forum proposes two main techniques for enhancing spectral efficiency: using aggressive reuse... [23 Apr 2009]
Transmission of IEEE802.16d WiMAX Signals Over Radio-Over-Fibre IMDD Links
White Paper Measured spectra and EVM for several single mode fibre spans (up to 5 km) have shown compliance with the spectral masks and EVM limits defined in the corresponding standards, demonstrating the feasibility of the proposed... [23 Apr 2009]
Diversity, Interference Cancellation and Spatial Multiplexing in MIMO Mobile WiMAX Systems
White Paper The analysis obtained using the ITU pedestrian B channel in ideal conditions indicates that the two schemes lead to similar performance when they are operated at the same spectral efficiency. Multiple Input Multiple... [23 Apr 2009]
An Analysis of MIMO Techniques for Mobile WiMAX Systems
White Paper The simulations made using the ITU pedestrian B channel indicates that Alamouti's STC outperforms spatial multiplexing when the two schemes are operated at the same spectral efficiency. Multiple Input Multiple Output... [23 Apr 2009]
Mobile WiMAX - Deployment Scenarios Performance Analysis
White Paper Evaluated performance of mobile WiMAX system such as signal-to-interference + noise ratio distributions, spectral efficiency and system outage in various scenarios of multi-cellular deployment will be presented and... [23 Apr 2009]
Patterns of Success: Antenna Patterns to Play a Key Role in WiMAX Success
White Paper As the wireless data market grows, deploying wireless technologies with high spectral efficiency will be of paramount importance. This paper examines some of the key causes of signal interference in the WiMAX environment... [22 Apr 2009]
Interference Mitigation Strategies for WiMAX Networks
White Paper WiMAX IEEE802.16e systems are intended to provide high spectral efficiency in order to support services with challenging quality of service constraints in heterogeneous scenarios. However, when addressing such goal, it... [22 Apr 2009]
From WiFi to WiMAX: Techniques for High-Level IP Reuse Across Different OFDM Protocols
White Paper Orthogonal Frequency-Division Multiplexing (OFDM) has become the preferred modulation scheme for both broadband and high bitrate digital wireless protocols because of its spectral efficiency and robustness against... [22 Apr 2009]
The WiMAX Forum Certified Program
White Paper Cutting-edge performance, high spectral efficiency, and interoperability make WiMAX the technology best positioned to meet the rapidly growing demand for mobile broadband services in the market today. [22 Apr 2009]
Study of Radio Resource Sharing for Future Mobile WiMAX Applications With Relays
White Paper To enhance spectral efficiency, a directional distributed relaying architecture is proposed for interference elimination and avoidance. WiMAX (802.16e) is technically capable of offering city-wide broadband connections... [22 Apr 2009]