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    • 1. 发明申请
    • IDENTIFYING AN EVENT ASSOCIATED WITH CONSUMPTION OF A UTILITY
    • 识别与实际消费相关的事件
    • WO2012156758A1
    • 2012-11-22
    • PCT/GB2012/051138
    • 2012-05-18
    • ONZO LIMITEDSANCHEZ LOUREDA, Jose Manuel
    • SANCHEZ LOUREDA, Jose Manuel
    • G01D4/00G06F1/03
    • G06N7/005G01D4/00Y02B90/245Y04S20/40
    • A method of identifying an event associated with consumption of a utility comprising the steps of generating a utility consumption profile from utility consumption data, the utility consumption data comprising a plurality of utility consumption values measured at a corresponding plurality of measurement points, detecting a plurality of events within the utility consumption profile, grouping the plurality of events using a clustering process to produce a probability density map, comparing the probability density map to a stored profile of events of a particular type, and identifying the group of events as events of the particular type when the probability density map corresponds to the stored profile of events of the particular type, wherein the probability density map is compared to a stored profile of an event which is a probability density map.
    • 一种识别与实用程序的消费相关联的事件的方法,包括以下步骤:从公用事业消费数据生成公用事业消费概况,所述公用事业消耗数据包括在相应的多个测量点测量的多个公用消耗值, 事件在效用消耗简档内,使用聚类过程对多个事件进行分组以产生概率密度图,将概率密度图与存储的特定类型的事件概况进行比较,并将事件组识别为特定事件的事件 当概率密度图对应于所存储的特定类型的事件的简档时,将概率密度映射与存储的概率密度映射的简档进行比较。
    • 2. 发明申请
    • KEY EXCHANGE PROTOCOL FOR SATELLITE BASED QUANTUM NETWORK
    • WO2022162392A1
    • 2022-08-04
    • PCT/GB2022/050245
    • 2022-01-28
    • ARQIT LIMITED
    • YEOMANS, AndrewIQBAL, OmarCHILDE, Barry
    • H04L9/08
    • Methods, apparatus, and systems are provided for performing a key exchange using a quantum key distribution (QKD) protocol between a first device, a second device, and an intermediary device. The intermediary device receives: a first set of symbols over a first quantum channel transmitted from the first device; and sends a first receiving basis information to the first device, where the first device withholds from the intermediary device the first transmitting basis information for transmitting said first set of symbols over the first quantum channel. The intermediary device transmits: a second set of symbols over a second quantum channel transmitted to the second device; and transmits a second transmitting basis information to the second device, where the second device withholds from the intermediary device the second receiving basis information for receiving said second set of symbols over the first quantum channel. The intermediary device generates first and second intermediate sets of symbols based on the validly received first set of symbols and transmitted second set of symbols received/transmitted over the quantum channels. The intermediary device generates a third intermediate set of symbols based on combining the first and second intermediate sets of symbols and sends the third intermediate set of symbols to the second device and/or first device. The first device and second device perform a key exchange by exchanging with themselves the first transmitting and second receiving basis information and/or first receiving and second transmitting basis information to determine a final shared key based on the first set of symbols, the second set of symbols and the third intermediate set of symbols.
    • 3. 发明申请
    • QKD SWITCHING SYSTEM
    • WO2022162381A1
    • 2022-08-04
    • PCT/GB2022/050232
    • 2022-01-28
    • ARQIT LIMITED
    • YEOMANS, AndrewBURNS, DarylWILLIAMS, David
    • H04L9/08
    • Methods, apparatus, and systems are provided for quantum key distributed (QKD) linking apparatus and system for use with at least two end point devices for linking said endpoint devices in a QKD network. The QKD linking apparatus including a plurality of QKD links, each QKD link having a communication medium comprising a quantum channel and a classical channel, wherein each endpoint is assigned a QKD link connecting said each endpoint to the QKD linking apparatus, a quantum transmission component comprising a plurality of quantum transmitters, each quantum transmitter configured for transmitting quantum transmissions over a quantum channel of one of the QKD links, a classical transceiver component comprising a plurality of classical transceivers, each classical transceiver configured for transmitting classical data over a classical channel of one of the QKD links and configured for receiving classical data over the classical channel of said one of the QKD links; and a controller connected to the quantum transmission component and the classical transceiver component, the controller configured to: route or switch data generated for quantum transmission to an endpoint via a quantum transmitter assigned to the endpoint over a quantum channel of the QKD link of the endpoint; route or switch classical data for classical transmission to an endpoint via a classical transceiver assigned to the endpoint over a classical channel of the QKD link of the endpoint; and route or switch classical data received by a classical transceiver over the classical channel of the QKD link of an endpoint as required. The controller may be configured to perform any QKD protocol for exchanging keys between endpoints and switch/route data flows between the QKD linking apparatus and/or one or more endpoints via the quantum and classical channels of the QKD links. Thereafter, the controller may be configured to enable secure communications between the endpoints via the classical channels of the QKD links of the endpoints.