Abstract: A system for communicating with nearby users in an application program, including at least one user computing device in operable connection with a user network. An application server is in operable communication with the user network to host an application system for providing a communication platform to permit a first user to communicate with a second user wherein the first user and second user are within a user-defined radius. A location module is in communication with the application program to determine a location of a first user and at least a second user and to permit the communication between the first user and second user if each user is within a user-defined radius. A tracking module is in communication with the application program to permit the real-time location sharing of the first user to the second user. A user module permits each user to input one or more user preferences.

Abstract: The invention relates to methods and apparatus suitable for executing a service or application at a client peer or client side, having a client specific device or client specific platform, with a reconfigurable architecture, said service or application being provided from a service peer or a service side. In a first aspect of the invention, the method comprises transmitting to the client peer from the server peer an abstract bytecode. The abstract bytecode is generated at the service peer by performing a compilation of an application. The abstract bytecode includes hardware bytecode and software bytecode. At the client peer, the abstract bytecode is transformed into native bytecode for the client specific device.

Abstract: A method of processing received L1 and L2 spread spectrum signals is disclosed. In one embodiment, the method comprises i) locally generating replicas of a known P-code, wherein each of the received signals includes a unique frequency carrier with the known pseudo-random P-code and an unknown code modulated thereon, ii) making the code replicas available at different relative phases, iii) demodulating the received L1 and L2 signals with replicas of the P-code, iv) repetitively and separately integrating the demodulated L1 and L2 signals over time periods related to the unknown code, and v) correlating an integration result for one of the L1 and L2 signals with an integration result for the other of the L1 and L2 signals.

Abstract: An apparatus for processing received spread spectrum signals modulated with a unique pseudo-random code is disclosed. In one embodiment, the apparatus comprises i) a plurality of channel modules each including a correlator, ii) a circuit configured to hierarchically chain a plurality of the channel modules in series, wherein at least one of a code, control signals and carrier signals is passed from one channel module of the chain to the next, and iii) a selector configured to select the at least one of the code, control signals and carrier signals, to be transmitted to the next channel module in the chain with a delay or without a delay.

Abstract: An electronic system for receiving spread spectrum signals, in particular GPS and/or GLONASS signals is described. In particular, the functional specification for the design of an advanced GPS and/or GLONASS receiver (AGGR) is disclosed. The AGGR is preferably fabricated including at least one sub-system implemented as an application specific integrated circuit (ASIC). The present disclosure describes the AGGR functionality and its modes of operation to a detail allowing a future user of the device to understand its features and limitations and to assess its suitability for an envisaged application. A method and an apparatus are described for processing received spread spectrum signals modulated with a unique pseudo-random code including a capability of hierarchically chaining a plurality of channel modules in series, specific forms of delay line units and correlator units which can process CA-code, P-code and Y-code signals.

Abstract: A system for cellular wireless communication is described comprising a repeater having one or more directional antennas. Signal communication can be made between one directional antenna of the repeater and a base station. Signal communication can be made between the same one directional antenna of the repeater with at least one remote terminal. Another system for wireless communication is disclosed. The system comprises at least one repeater having at least one transmitter and at least one receiver, wherein the at least one repeater is adapted to substantially simultaneously communicate signals with each of a plurality of remote terminals using a same frequency.

Abstract: A lithographic apparatus is disclosed. The apparatus includes a radiation system for supplying a beam of radiation, and a support structure for supporting a patterning device. The patterning device serves to pattern the beam of radiation according to a desired pattern. The apparatus also includes a projection system for projecting the patterned beam of radiation onto a target portion of a substrate, and an assembly for determining a spatial position of the patterning device relative to the projection system. The assembly includes a measuring unit that has a plurality of sensors that are mounted on the projection system.

Abstract: Methods and architectures for turbo decoding are presented. The methods are such that low energy consumption is obtained with reduced memory requirements. Moreover the methods show improved performance with respect to latency.

Abstract: The present invention relates to a receiver at the head-end or a centralizing unit side in a communications system or network for signals in the upstream direction which is the direction from user to head-end or a centralizing unit that is linked to a number of users, the number being equal to or larger than one.

Abstract: Methods and architectures for turbo decoding are presented. The methods are such that low energy consumption is obtained with reduced memory requirements. Moreover the methods show improved performance with respect to latency.

Abstract: A receiver is disclosed at the head-end or a centralizing unit side in a communications system or network for signals in the upstream direction which is the direction from user to head-end or a centralizing unit that is linked to a number of users, the number being equal to or larger than one. The receiver is suited for the reception of burst mode signals. The receiver performs a channel estimation on a per-burst basis in real time or essentially immediate. The channel estimation is necessary to do successful data detection of modulated data. The receiver of the invention performs the channel estimation and data detection in one compact all-digital mechanism that has no tuning parts. The reception method works in an aspect according to the principle of a matched filter receiver, but stores no local copy of the required matched waveform. Rather, a copy of the matched waveform is included in the preamble of the signals.

Abstract: Methods and architectures for turbo decoding are presented. The methods are such that low energy consumption is obtained with reduced memory requirements. Moreover the methods show improved performance with respect to latency.

Abstract: The invention relates to methods and apparatus suitable for executing a service or application at a client peer or client side, having a client specific device or client specific platform, with a reconfigurable architecture, said service or application being provided from a service peer or a service side. In a first aspect of the invention, the method comprises transmitting to the client peer from the server peer an abstract bytecode. The abstract bytecode is generated at the service peer by performing a compilation of an application. The abstract bytecode includes hardware bytecode and software bytecode. At the client peer, the abstract bytecode is transformed into native bytecode for the client specific device.

Abstract: A method and apparatus for receiving and converting spread spectrum signals is disclosed. The method and apparatus allow the receiving of spread spectrum signals and different frequency bands substantially simultaneously on the same chain of hardware components. The received signals are processed on the chain of hardware components and the resulting signal thereafter can further be used within an electronic circuit. The method includes the steps of converting analog signals into a lower frequency digital signal. The conversion step includes capturing a plurality of incoming signals within a predetermined spectral range, filtering out of the incoming signals a first plurality of analog spread spectrum signals in a plurality of analog spread spectrum signals in a plurality of predetermined bands with predetermined widths, and sampling the analog signals with a sampling frequency F.sub.s wherein F.sub.