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1. 发明公开

US20240283806A1 NETWORK ANOMALY DETECTION 审中-公开
公开(公告)号：US20240283806A1
公开(公告)日：2024-08-22
申请号：US18581779
申请日：2024-02-20
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Michael GIBSON , Alexander HEALING , Aditya MANOCHA
IPC分类号： H04L9/40
CPC分类号： H04L63/1425 , H04L63/1441
摘要： A computer-implemented method of training a network anomaly detection system is disclosed. The method involves generating synthetic benign network data and synthetic anomalous network data and combining the synthetic benign network data and synthetic anomalous network data to generate combined synthetic network data having a predetermined density of anomalous network data. The combined synthetic network data is provided to a trained anomaly detection model, and an accuracy score is determined that is representative of how accurately the trained anomaly detection model recognizes anomalous activity in the combined synthetic network data. If the accuracy score is less than a threshold value, the anomaly detection model is trained with additional network data and a new accuracy score is determined. Otherwise, the predetermined density of anomalous network data is reduced and a new accuracy score is determined until a predetermined stopping criterion is met.

2. 发明公开

US20240276351A1 CELLULAR TELECOMMUNICATIONS NETWORK 审中-公开
公开(公告)号：US20240276351A1
公开(公告)日：2024-08-15
申请号：US18570170
申请日：2022-06-10
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Richard Thomas MacKenzie , Douglas Francis Fripp
IPC分类号： H04W48/08
CPC分类号： H04W48/08
摘要： This disclosure provides a method of operating a management node in a cellular telecommunications network, the cellular telecommunications network including a first base station and a User Equipment (UE), the management node storing a first set of tracking area codes, wherein the first base station is configured to transmit a first tracking area code and the UE is configured to send a tracking area update request message to the first base station identifying the first tracking area code, the method including receiving a request message from the first base station, the request including the first tracking area code identified in the tracking area update request message; comparing the received first tracking area code to the first set of tracking area codes; and sending a response message to the first base station, the response message accepting or rejecting the tracking area request based on the comparison.

3. 发明公开

US20240275802A1 METHODS AND SYSTEMS OF OPERATING SOFTWARE-DEFINED NETWORKS 审中-公开
公开(公告)号：US20240275802A1
公开(公告)日：2024-08-15
申请号：US18695687
申请日：2022-08-23
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Behnam AZVINE , Ali SAJJAD
IPC分类号： H04L9/40 , H04L41/06 , H04L41/40
CPC分类号： H04L63/1416 , H04L41/06 , H04L41/40
摘要： A computer-implemented method of operating a software-defined network, the method comprising: obtaining specifications of a plurality of data plane elements which together form a path through a data plane suitable for carrying traffic associated with a category of applications and/or services; determining, based on the specifications, which one or more of a plurality of security profiles the path is capable of complying with; selecting one of the one or more security profiles to be an initial security profile; routing traffic associated with the category of applications and/or services via the path in compliance with the initial security profile; subsequently obtaining an alert that network performance conditions have worsened; and responsive thereto: selecting a different one of the plurality of security profiles, that is less resource-intensive than the initial security profile, to be a replacement security profile; and routing traffic associated with the category of applications and/or services in compliance with the replacement security profile.

4. 发明公开

US20240259425A1 MALWARE PROTECTION 审中-公开
公开(公告)号：US20240259425A1
公开(公告)日：2024-08-01
申请号：US18576590
申请日：2022-06-29
申请人： British Telecommunications Public Limited Company
发明人： Sadiq SANI , Mordecai ROSS
IPC分类号： G06F21/56 , H04L61/4511
CPC分类号： H04L63/1466 , G06F21/56 , H04L61/4511
摘要： Malware Protection A computer implemented method, computer system and computer program are provided for protecting against malware. The method trains a classifier to classify a domain name as being either legitimate or illegitimate, wherein a classification of illegitimate indicates that the domain name was generated by a Domain Generation Algorithm used to generate domain names for malware. The method retrains the classifier using an active learning technique by: using the classifier to determine a respective classification of each domain name in a set of domain names; performing a respective domain name system. DNS, query for each domain name in the set; labelling one or more domain names in the set based on the classification of those domain names and the outcome of the respective DNS queries for those domain names; and using training data comprising the labelled one or more domain names to retrain the classifier. The method uses the classifier to classify a domain name that is the subject of a DNS query from a computer system in a network. The method takes one or more predetermined actions for mitigating or preventing the activity of the malware in response to the domain name being classified as illegitimate.

5. 发明授权

US12041300B2 Low latency content delivery 有权
公开(公告)号：US12041300B2
公开(公告)日：2024-07-16
申请号：US17915264
申请日：2021-03-16
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Michael Nilsson , Paul Farrow
IPC分类号： H04N21/44 , H04L65/613 , H04N21/845 , H04L65/612
CPC分类号： H04N21/44004 , H04L65/613 , H04N21/845 , H04L65/612
摘要： The invention provides a method of media content delivery, where the time taken to deliver each chunk of content is measured, from which the stability or consistency of delivery times are calculated. The amount of data buffered at the user's device awaiting decoding and play-back can then be adjusted (such as by playing out the content slower or quicker), in order to achieve a good compromise between continuous play-out and low end-to-end delay, taking into consideration the current network characteristics.

6. 发明授权

US12039021B2 Multi-level classifier based access control 有权
公开(公告)号：US12039021B2
公开(公告)日：2024-07-16
申请号：US17310968
申请日：2020-02-28
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Gabriele Gelardi , Gery Ducatel
IPC分类号： G06F21/31 , G06F21/10 , G06F21/45
CPC分类号： G06F21/316 , G06F21/10 , G06F21/45
摘要： A computer implemented method of access control for a user device having at least one component for determining behaviors of the user. The method including accessing a first machine learning classifier trained based on at least one prior behavior of the user using the device, the classifier classifying user behavior as compliant or non-compliant. The method further including, in response to a determination that a subsequent behavior is classified as non-compliant, accessing a second machine learning classifier trained based on at least one prior behavior of the user using the device where the prior behavior is classified as non-compliant by the first classifier. The method further including, in response to a determination that the subsequent behavior is classified as non-compliant by the second classifier, requesting a credential-based authentication of the user and constructively training one of the machine learning classifiers based on the credential-based authentication result.

7. 发明授权

US12028994B2 Protection system 有权
公开(公告)号：US12028994B2
公开(公告)日：2024-07-02
申请号：US17764792
申请日：2020-08-13
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Daniel Calver , Martin Nottage
IPC分类号： H05K5/02 , H02H5/08 , H04Q1/02
CPC分类号： H05K5/0212 , H02H5/083 , H04Q1/114 , H05K5/0213
摘要： A telecommunications cabinet (100) for enclosing telecommunications equipment (110) of a telecommunications network, the telecommunications cabinet comprising: an electric water pump (140); a water detector (160), wherein the water detector is configured to cause activation of the electric water pump upon detecting water; a power supply (150) for powering the electric water pump; and a fluid conduit (170), coupled to the electric water pump, extending from within the cabinet to an outside of the cabinet via an aperture (180) in the cabinet so as to convey water out of the cabinet.

8. 发明授权

US12028139B2 Wireless telecommunications network including a multi-layer transmissive reconfigurable intelligent surface 有权
公开(公告)号：US12028139B2
公开(公告)日：2024-07-02
申请号：US18277668
申请日：2022-01-26
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Linglong Dai , Kunzan Liu , Zijian Zhang , Richard MacKenzie , Mo Hao
IPC分类号： H04B7/06 , H04B7/04
CPC分类号： H04B7/0617 , H04B7/04013
摘要： This disclosure provides a method of controlling a transmission of a wireless signal in a wireless telecommunications network, the wireless telecommunications network including a transmitter, a multi-layer transmissive Reconfigurable Intelligent Surface (RIS) including a first transmissive RIS layer and a last transmissive RIS layer, and a receiver.

9. 发明公开

US20240187466A1 CONTENT DELIVERY 审中-公开
公开(公告)号：US20240187466A1
公开(公告)日：2024-06-06
申请号：US18553110
申请日：2022-03-15
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Michael NILSSON , Timothy STEVENS , Stephen APPLEBY , Rory TURNBULL
IPC分类号： H04L65/611 , H04L65/612
CPC分类号： H04L65/611 , H04L65/612
摘要： A method of managing content delivery to a client device by a proxy, where the content is made up of a sequence of segments. The proxy starts off by receiving content requests from the client device over unicast, and fulfilling those requests by forwarding them to a content server, and receiving that content before forwarding onto the client device. At some stage, the proxy determines that a multicast channel should be joined to more efficiently receive the required content. However, the multicast channel is likely to be ahead of the available unicast data. Therefore, a multicast join command is delayed until the proxy has taken steps to obtain subsequent content by unicast faster than that content is being requested by the client device, so that the obtained content has caught up with the content available on the multicast channel. The proxy stores this content and uses it to respond to requests from the client device. Only then does the proxy take action to join the multicast channel.

10. 发明公开

US20240171281A1 OPTICAL NETWORK 审中-公开
公开(公告)号：US20240171281A1
公开(公告)日：2024-05-23
申请号：US18495652
申请日：2023-10-26
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Marco MENCHETTI , Daniel Gilks , Fraser Ashley Burton , Liam William Bussey
IPC分类号： H04B10/27 , H04B10/2507
CPC分类号： H04B10/27 , H04B10/2507
摘要： This disclosure provides an optical network, and a method in an optical network, wherein: each reference optical transmitter is configured to transmit a reference optical signal on an associated second optical fiber of a plurality of second optical fibers, each reference error signal generator is configured to generate a reference error signal based on a reflection of the reference optical signal on the associated second optical fiber of the plurality of second optical fibers, and each reference phase shifter is configured to apply a phase shift to the first optical signal based on the reference error signal.

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