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331results about How to "Increase bitrate" patented technology

Autonomous Infrastructure Wireless Networks

A method for deploying a cellular wireless communication network is provided. The method consists of: providing one or more micro base stations; autonomously deploying the micro base stations using a network access point linked to a cellular wireless communication network; and enabling configuration of the micro base stations to execute network operation commands from a network controller associated with the wireless communication network. Another aspect consists of enabling cooperation and network connectivity between micro base stations and other base stations, including micro base stations and large network base stations. Network connectivity to one or more cellular communication terminals associated with individuals or businesses subscribing to the cellular wireless communication network is enabled. A wireless network is also provided which is configurable to link a cellular wireless network through a high data transmission connection so as to define at least one access point between the micro base station and the wireless network. The network includes a wireless interface and receives operation commands from a network controller for configuration of micro base stations, to support the linking of cellular wireless terminals to the wireless network via the wireless interface by operation of the micro base station, as an intermediary. A corresponding system and computer readable medium is also provided
Owner:DE SOUSA ELVINO SILVEIRA MEDINA

Quantum cryptography

A method of establishing a shared secret random cryptographic key between a sender and a recipient using a quantum communications channel is described. The method comprises: generating a plurality of random quantum states of a quantum entity, each random state being defined by a randomly selected one of a first plurality of bases in Hilbert space, transmitting the plurality of random quantum states of the quantum entity via the quantum channel to a recipient, measuring the quantum state of each of the received quantum states of the quantum entity with respect to a randomly selected one of a second plurality of bases in Hilbert space, transmitting to the recipient composition information describing a subset of the plurality of random quantum states, analysing the received composition information and the measured quantum states corresponding to the subset to derive a first statistical distribution describing the subset of transmitted quantum states and a second statistical distribution describing the corresponding measured quantum states, establishing the level of confidence in the validity of the plurality of transmitted random quantum states by verifying that the first and second statistical distributions are sufficiently similar, deriving a first binary sting and a second binary string, correlated to the first binary string, respectively from the transmitted and received plurality of quantum states not in the subset, and carrying out a reconciliation of the second binary string to the first binary string by using error correction techniques to establish the shared secret random cryptographic key from the first and second binary strings.
Owner:HEWLETT-PACKARD ENTERPRISE DEV LP +1
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