Intel Corporation

Nxp B.v.

Christopher Robert Shepherd

Colin Leslie Perry

Stephen John Parry

Alessandro F Deidda

Jonathan Richard Matthews

Embodiments of the invention comprise a method of determining a position of a node, comprising receiving a communication from the node; determining a timing of the receiving; and calculating a position of the node from the timing.

Method of determining the location of a node in a distributed wireless sensor and actuator network

A circuit arrangement having a plurality of variable capacitance elements such as varactors is described, the varactors having associated electronic control means which controls the capacitance of the variable capacitance elements over a control range. The control range is such that for any particular variable capacitance element a complete variation from a lowest to a highest capacitance is obtained from only a portion of the control range.

Circuit arrangement

A variable capacitance network is disclosed, comprising a plurality of capacitance arms connected in parallel with each other between first and second terminals of the network. Each capacitance arm has a varactor and a series capacitor in series with the varactor A control input applies a common control signal to the junctions between the varactors and their associated series capacitors, to allow for simultaneous control of each varactor.

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Swindon, United Kingdom

Christopher Robert Shepherd