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Jamming Resistant Architecture for WiMAX Mesh Network
White Paper The main idea is to use multiple Base Stations (BS), access points to the fixed core network. When the nodes are affected by jamming they can reroute to another base station if possible. This will facilitate network survivability both in case of BS... [23 Aug 2007]
On Pilot-Symbol Aided Channel Estimation for MC-CDMA in the Presence of Cellular Interference
White Paper The system performance in presence of a synchronization mismatch between two interfering Base Stations (BS) is analysed in the way that a mobile terminal receives the perfectly synchronized signal from the desired BS as well as the signal from one... [16 Feb 2006]
Analysis of Cellular Interference for MC-CDMA and Its Impact on Channel Estimation
White Paper The system performance in presence of a synchronization mismatch between two interfering Base Stations (BS) is analyzed in the way that a mobile terminal receives the perfectly synchronized signal from the desired BS as well as the signal from one... [16 Feb 2006]
Two-Stage Dynamic Uplink Channel and Slot Assignment for GPRS
White Paper General Packet Radio Service (GPRS) uses a two-stage mechanism to allocate uplink radio resource to Mobile Stations (MSs). In stage-1, the Base Station (BS) assigns several Packet Data CHannels (PDCHs) to an MS. [21 Nov 2005]
German Operator Deploys MDMS as 3G Enabler
White Paper Part of the Marconi range of fixed wireless access systems; MDMS provides the highest capacity per bandwidth for transparent 2 Mbit/s connections to carry the traffic not only from 3G Node Bs but also from GSM Base Stations to the fixed network. [22 Mar 2005]
A Topology-Aware Routing Protocol for the MANET With Multiple Sinks
White Paper In this paper, a topology-aware routing protocol is developed for the Mobile Ad-hoc NETworks (MANET) with multiple fixed Base Stations (BSes). The protocol aims at delivering packets reliably from the source node to its nearest BS. [01 Aug 2007]
The Time Division Duplex: Mode in the UMTS
White Paper An RNS is further divided into the Radio Network Controller (RNC) and multiple Node Bs, also known as Base Stations (BSs). The Node Bs/BSs are connected to the RNC by the Iub interface. The 3rd Generation Partnership Project (3GPP) is a... [07 Jan 2008]
Optimization of a Wireless Access Network
White Paper N Base Stations (BSs) at fixed locations are to be connected to a subset of M possible sites for Mobile Switching Centers (MSCs) in a cellular access network. Given the BS-MSC connection cost matrix, the MSC-LE connection vector, the MSC equipment... [23 Aug 2007]
RF Electronics for GSM / GPRS Smart Antennas
White Paper The paper presents the RF electronics of a 16 element T shape adaptive antenna for GSM/GPRS base stations. gure the coverage of each GSM/GPRS base station (BS) to match the cell speci? A smart antenna can dramatically improve the signal to... [17 Nov 2005]
Dynamic Adaptive QoS Provisioning Over GPRS Wireless Mobile Links
White Paper The GPRS wireless subsystem consists of mobile stations (MS's) contending for access to a base station (BS) in a radio cell, with traffic generated according to the negotiated QoS profiles, defined in terms of precedence, delay, reliability, mean... [28 Jun 2004]
