Qualcomm

About: Qualcomm is a company organization based out in Farnborough, United Kingdom. It is known for research contribution in the topics: Wireless & Signal. The organization has 19408 authors who have published 38405 publications receiving 804693 citations. The organization is also known as: Qualcomm Incorporated & Qualcomm, Inc..

Selective communication based on distance from a plurality of electric vehicle wireless charging stations in a facility

Abstract: Systems, methods, and apparatus are disclosed for charging a vehicle in a wireless power transfer system. In one aspect, a method of charging a vehicle is provided, including determining distances between the vehicle and each of a plurality of charging stations. The method further includes selectively communicating, based on the distances, with a first charging station of the plurality of charging stations.

Wimax access point network with backhaul technology

Abstract: A WiMAX network and communication method, the network including a plurality of WiMAX nodes (Fig.1, 12) deployed in micro or pico cells for providing access service to a plurality of mobile subscribers, a plurality of these nodes being arranged in a cluster (Fig.), 14), one of the nodes in each cluster being a feeder node coupled to a core network, the nodes in each cluster being coupled for multi-hop transmission to the feeder node. According to a preferred embodiment, each node includes a transceiver with associated modem, an antenna arrangement coupled to the modem and arranged for multiple concurrent transmissions, and a MAC controller for controlling the transceiver, modem and antenna arrangement for providing both access and backhaul communication.

System and method for determining the position of a wireless cdma transceiver

Abstract: An apparatus and method to determine a position of a mobile wireless transceiver. The invention merges GPS position location and wireless communication technologies to achieve a precise position location in dense urban and other environments when line-of-sight to the satellites is somewhat obscured. The inventive apparatus and method use signals from only two GPS satellites (60, 70, 80, 90) and the serving terrestrial base station. In a most general sense, the inventive method includes the steps of receiving at a base station (10) a first signal transmitted from a first GPS satellite and a second signal transmitted from a second GPS satellite. The mobile's transmitter (200) and receiver (100) are adapted to receive these GPS signals as well and transmit a third signal to the base station in response thereto. The base station (10) receives the third signal and uses it to calculate the position of the wireless unit (20).

A neural network-based smart antenna for multiple source tracking

Abstract: This paper considers the problem of multiple-source tracking with neural network-based smart antennas for wireless terrestrial and satellite mobile communications. The neural multiple-source tracking (N-MUST) algorithm is based on an architecture of a family of radial basis function neural networks (RBFNN) to perform both detection and direction of arrival (DOA) estimation. The field of view of the antenna array is divided into spatial angular sectors, which are in turn assigned to a different pair of RBFNNs. When a network detects one or more sources in the first stage, the corresponding second stage network(s) are activated to perform the DOA estimation. Simulation results are performed to investigate the performance of the algorithm for various angular separations, with sources of random relative signal-to-noise ratio and when the system suffers from Doppler spread.

Cell site demodulation architecture for a spread spectrum multiple access communication systems

Abstract: An integrated demodulation processor used in a modem for a spread spectrum communications system despreads multipath receive signals then uses a time sliced transform processor to process the multiple signals in to a single series of soft decision results. The demodulation processor uses a single transform engine which operates on a time slice basis. The output of the processor engine cascade through a pipeline processor which, on a time slice basis, operates on signals corresponding to each multipath receive signal. The processed results are dual maxima decoded to provide soft decision data.