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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]
Analysis of Transparent Mode IEEE 802.16j System Performance With Varying Numbers of Relays and Associated Transmit Power
White Paper However, the overall throughput gain drops as the transmit power at the Relays (RSs) decreases despite the fact that a greater number of concurrent transmissions can be achieved due to less interference among the RSs'... [23 Apr 2009]
Deployment and Design of Multiantenna Solutions for Fixed WiMAX Systems
White Paper In particular, an important performance limiting factor is the inter-cell interference, which has strong non-stationary features. This paper investigates the deployment of multi-antenna base stations and the related... [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 multipath... [22 Apr 2009]
Backhaul Network Based on WiMAX With Relays - System Level Performance Analysis
White Paper The base stations and the relay stations may share the same time-frequency resources when serving subscribers in accordance with various relaying modes having different reuse factor and leading to different level of... [15 Apr 2009]
Ericsson racks up 500Mbps speeds over copper
News According to Ericsson, a benefit of vectorised VDSL2 lies in improved power management and lower power consumption, as the lines in a cable are decoupled in terms of interference. Ericsson also said in its statement that... [17 Mar 2009]
Dynamic Association for Load Balancing and Interference Avoidance in Multi-Cell Networks
White Paper Even in such a next-generation system, boundary users would suffer from low throughput due to severe Inter-Cell Interference (ICI) and unbalanced user distributions among cells, unless additional schemes to mitigate this... [10 Jul 2008]
Location-Based MAC Protocols for Mobile Wireless Networks
White Paper The paper analyzes the performance of two simple MAC protocols, when multi-user interference is explicitly modeled via the received Signal-to-Interference Plus noise ratio (SINR). One protocol is a... [23 Aug 2007]
Ofcom ushers in licence-free UWB
News This combination allows UWB to reuse frequencies already allocated to other radio technologies without causing or receiving interference. Home-communications devices using Ultrawideband wireless... [13 Aug 2007]
Channel Decoder Architecture for 3G Mobile Wireless Terminals
White Paper Channel coding is a key element of any digital wireless communication system since it minimizes the effects of noise and interference on the transmitted signal. It outperforms a solution based on two separate decoders... [01 Aug 2007]
Performance Analysis of a Reuse Partitioning Technique for OFDM Based Evolved UTRA
White Paper This paper proposes and analyzes a simple reuse partitioning technique (assuming coordinated subcarrier allocation in the cells) that is able to minimize intercell interference. According to the concept... [13 Apr 2007]
The Performance of OFDM-SDMA Systems With Power Amplifier Non-Linearities
White Paper 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... [11 Apr 2007]
Ultrawideband gets EC approval
News Ultrawideband uniquely combines very low power across bands many gigahertz wide to reuse frequencies allocated to other users without causing significant interference. UWB opponents are mostly... [08 Dec 2006]
Peter Cochrane's Blog: More wireless equals more wires
Comment In addition, the reuse of spectrum - and the control and limitation of interference - dictate increasingly small cells as bandwidth demands increase. In the old wireless regime we carefully planned and... [04 May 2006]
Peter Cochrane's Blog: The search for spectrum
Comment They talk to each other to minimise the energy used and problems associated with interference and signal scatter. This is the world I grew up in as a young engineer, where interference, multi-path,... [10 Oct 2005]
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