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Belcea John M: Real-time system and method for computing location of mobile subcriber in a wireless ad-hoc network. Meshnetworks, Belcea John M, BUCZYNSKI Joseph J, September 30, 2004: WO/2004/084022 (10 worldwide citation)

A system and method for improving the accuracy in computing the location of a mobile subscriber device (102) connected in a wireless network. The system and method employ a predictive filter (108, 112) including a measurement weight algorithm to decrease standard deviation error, to correctly determ ...


2
Belcea John M: System and method for efficiently routing data packets and managing channel access and bandwidth in wireless multi-hopping networks. Meshnetworks, Belcea John M, KARPINIA Randi L, November 23, 2006: WO/2006/124221 (8 worldwide citation)

A method for routing data packets from a source to a destination in a wireless communication network comprising a plurality of nodes, wherein each node is in uplink-downlink association with at least one neighboring node, and wherein each node comprises a registration table identifying all downlink ...


3
Belcea John M: A system and method for correcting the clock drift and maintaining the synchronization in wireless networks. Meshnetworks, Belcea John M, BUCZYNSKI Joseph J, January 15, 2004: WO/2004/006493 (1 worldwide citation)

A system and method (200) for establishing and maintaining node clock synchronization in a wireless network. The system and method calculates (214) the clock shift and propagation delay values using a series of message exchanges and control algorithms between a selected reference node and a client n ...


4
Belcea John M: Autonomous reference system and method for monitoring the location and movement of objects. Meshnetworks, Belcea John M, BUCZYNSKI Joseph J, February 16, 2006: WO/2006/017696 (1 worldwide citation)

The present invention relates to a system and method for deploying devices, such as routers (107) and mobile nodes (102) or tags, that communicate in a wireless multihopping ad-hoc communication network (100), that enables a monitoring system such as a dispatcher (212) to create a reference system t ...


5
Belcea John M: Mac protocol for accurately computing the position of wireless devices inside buildings. Meshnetworks, Belcea John M, BUCZYNSKI Joseph J, January 6, 2005: WO/2005/001619

A system (Fig. 1) and method (Fig. 6) for providing a MAC protocol that allows the collection of a large number of range measurements, and based upon such measurements, permits a very precise computation of the location of terminals at a location. Specifically, the system and method operates with Mo ...


6
Belcea John M, Welsh Shawn P, Roberson Allen M, Hill Philip J, Schmidt Jeffrey C, A Rafat Sa Ed, Green James: System and method for identifying the floor number where a firefighter in need of help is located using received signal strength indicator and signal propagation time. Meshnetworks, Belcea John M, Welsh Shawn P, Roberson Allen M, Hill Philip J, Schmidt Jeffrey C, A Rafat Ed, Green James, BUCZYNSKI Joseph J, December 23, 2004: WO/2004/111776

A system and method for deploying a network of wireless devices, including mobile terminals, wireless routers and a least one control console, within a three dimensional deployment area such as a building, so that communication, identification and position calculations of personnel, such as firefigh ...


7
Belcea John M: A system and method for analyzing the precision of geo-location services in a wireless network terminal. Meshnetworks, Belcea John M, BUCZYNSKI Joseph J, September 30, 2004: WO/2004/084462

A system and method for presenting an interactive visual feedback, based upon input parameters, indicating quality levels in terminal location detection in a network at selectable points an a map. The system and method includes an application in which a user provides information regarding network te ...


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Belcea John M: A system and method for providing adaptive control of transmit power and data rate in an ad-hoc communication network. Meshnetworks, Belcea John M, BUCZYNSKI Joseph J, September 25, 2003: WO/2003/079611

A system and method for selecting an appropriate transmit power and data rate at which a communication signal is transmitted over a link between nodes in a wireless ad-hoc communication network based on factors such as variations in path loss in the link, fading conditions, noise level estimation an ...


9
Strutt Guenael T, Belcea John M: System and method for improving the accuracy of time of arrival measurements in a wireless ad-hoc communications network. Meshnetworks, Strutt Guenael T, Belcea John M, BUCZYNSKI Joseph, December 18, 2003: WO/2003/105495

A system and method for improved Time Of Arrival (TOA) distance measurements between nodes (102, 106, 107) of a wireless ad-hoc network (100). Specifically, the present invention is a system and method of distance estimation using square-root raised-cosine pulse shaping (118) and chip matched filter ...


10
Belcea John M: System and method for computing the position of a mobile device operating in a wireless network. Motorola, Belcea John M, KARPINIA Randi L, June 14, 2007: WO/2007/067852

The present invention provides a method for computing the position of a mobile device (200,405) operating in a wireless network (100). The system includes a receiver, adapted to receive respective signals from each of at least four reference devices (410,415,420,425) at the mobile device (405), each ...