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1. 发明公开

EP4453768A1 A METHOD FOR MONITORING OR VALIDATING COMPLIANCE OF A DEVICE ON A NETWORK 失效
公开(公告)号：EP4453768A1
公开(公告)日：2024-10-30
申请号：EP22821516.6
申请日：2022-11-23
申请人： British Telecommunications public limited company
发明人： ROSCOE, Jonathan , EL-MOUSSA, Fadi
IPC分类号： G06F21/57 , G06F8/70 , H04L41/08 , H04L9/40
CPC分类号： G06F21/577 , H04L63/1433 , H04L63/20 , H04L43/10

2. 发明公开

EP4440077A1 MULTICAST LEAVE METHOD 审中-公开
公开(公告)号：EP4440077A1
公开(公告)日：2024-10-02
申请号：EP23165957.4
申请日：2023-03-31
申请人： British Telecommunications public limited company
发明人： The designation of the inventor has not yet been filed
IPC分类号： H04L65/611 , H04L65/612 , H04L65/75 , H04L67/56 , H04L69/28
CPC分类号： H04L65/611 , H04L65/612 , H04L65/765 , H04L67/56 , H04L67/568 , H04L65/61
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 content segments and each segment is encoded at a plurality of bit rates or quality levels. The proxy starts off by receiving content requests from the client device over unicast, forwarding them to a content server, and in response, receiving the content over unicast from the content server before forwarding it onto the client device. At some stage, the proxy joins a multicast channel and receives segments over multicast, and a timer is started. That timer is restarted every time one of the requests from the client device matches that of a segment received over multicast. The proxy leaves the multicast channel once the timer expires, and returns to satisfying segment requests from the client device using unicast. The timer can be adjusted according to the determined bandwidth between the unicast content source and the proxy.

3. 发明公开

EP4437750A1 CLUSTERING OF ACCESS POINTS IN A WIRELESS TELECOMMUNICATIONS NETWORK AND CONFIGURATION OF AN ACCESS POINT IN A CLUSTER 审中-实审
公开(公告)号：EP4437750A1
公开(公告)日：2024-10-02
申请号：EP22783524.6
申请日：2022-10-06
申请人： British Telecommunications public limited company
发明人： SANMOOGAN, Timothy , PAREKH, Arjun , REID, Rebecca
IPC分类号： H04W24/02
CPC分类号： H04W24/02 , H04L41/0893 , H04L41/0806 , H04L41/16 , H04L41/0816 , H04L41/0896

4. 发明公开

EP4436131A1 IMPROVED WI-FI AIR INTERFACE UTILISATION 审中-公开
公开(公告)号：EP4436131A1
公开(公告)日：2024-09-25
申请号：EP23163346.2
申请日：2023-03-22
申请人： British Telecommunications public limited company
发明人： EVENDEN, Richard , SCAHILL, Francis
IPC分类号： H04L47/22 , H04L47/28 , H04L47/10 , H04L47/30 , H04L47/625 , H04W28/02 , H04W28/06
CPC分类号： H04L47/28 , H04L47/29 , H04L47/30 , H04L47/36 , H04L47/626 , H04L47/745 , H04W28/0231 , H04W28/065 , H04W84/12
摘要： Described are methods for operating a wireless access point, where a sequence of data packets are received with an interarrival time between the data packets greater than a frame aggregation threshold. The frame aggregation threshold is the time interval within which data packets received by the Wi-Fi driver in the access point will be aggregated into a single data packet before transmission over Wi-Fi. Successive received data packets are stored in a buffer, and forwarded to the Wi-Fi driver with a total time interval between each forwarded data packet less than the frame aggregation threshold. As a result, the forwarded data packets are transmitted by the Wi-Fi driver in an aggregated frame. Forwarding of the data packets can occur once the buffer has been filled to a certain limit (of data packets), and where the limit can be adjusted according to a measure of the Wi-Fi air utilisation.

5. 发明公开

EP4427448A1 METHOD OF OPERATING A TELECOMMUNICATIONS NETWORK 审中-实审
公开(公告)号：EP4427448A1
公开(公告)日：2024-09-11
申请号：EP22821306.2
申请日：2022-10-17
申请人： British Telecommunications public limited company
发明人： BEDDUS, Simon , EL-MOUSSA, Fadi , CRISTINA, Claudia
IPC分类号： H04L67/63
CPC分类号： H04L67/63

6. 发明公开

EP4422127A1 NETWORK ANOMALY DETECTION 审中-公开
公开(公告)号：EP4422127A1
公开(公告)日：2024-08-28
申请号：EP23157824.6
申请日：2023-02-21
申请人： British Telecommunications public limited company
发明人： GIBSON, Michael , HEALING, Alexander , MANOCHA, Aditiya
IPC分类号： H04L9/40
CPC分类号： H04L63/1425 , H04L63/20
摘要： A computer-implemented method of training a network anomaly detection system is disclosed. The method involves generating (301) synthetic benign network data and synthetic anomalous network data and combining (302) 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 (303) to a trained anomaly detection model, and an accuracy score is determined (304) that is representative of how accurately the trained anomaly detection model recognises anomalous activity in the combined synthetic network data. If the accuracy score is less than a threshold value, the anomaly detection model is trained (305) with additional network data and a new accuracy score is determined. Otherwise, the predetermined density of anomalous network data is reduced (306) and a new accuracy score is determined until a predetermined stopping criterion is met.

7. 发明公开

EP4418643A1 CALLING LINE IDENTITY SPOOF DETECTION IN THE PRESENCE OF REPEAT CALLS 审中-公开
公开(公告)号：EP4418643A1
公开(公告)日：2024-08-21
申请号：EP23156781.9
申请日：2023-02-15
申请人： British Telecommunications public limited company
发明人： The designation of the inventor has not yet been filed
IPC分类号： H04M3/22 , H04M3/436 , H04L9/40
CPC分类号： H04M3/2281 , H04M3/436 , H04M2203/602720130101 , H04M2201/1620130101 , H04L63/1466 , H04L63/061 , H04L63/1425
摘要： A computer implemented method of processing calls in a telephone network, the method comprising: identifying a plurality of calls that have been made by a particular telephone number to destination telephone numbers in the telephone network; dividing the plurality of calls into one to N subsets of calls corresponding to a first to Nth occurrence of the calls to the destination telephone numbers, wherein the first subset of calls includes a sequence of the calls to the destination telephone numbers occurring for a first time; determining whether the sequence of calls in at least one of the subsets of calls corresponds to a correct order for calling those destination telephone numbers, wherein the correct order is determined based on a predetermined rule for ordering destination telephone numbers in the telephone network and wherein a party that is authorised to use the particular telephone numbers follows the correct order; and determining that one or more of the calls were made by spoofing the particular telephone number if the sequence in which the calls in the at least one subset were placed does not correspond to a correct order.

8. 发明公开

EP4418611A1 IDENTIFYING MALWARE IN A COMPUTER NETWORK 审中-公开
公开(公告)号：EP4418611A1
公开(公告)日：2024-08-21
申请号：EP23157063.1
申请日：2023-02-16
申请人： British Telecommunications public limited company
发明人： The designation of the inventor has not yet been filed
IPC分类号： H04L9/40 , G06N3/02 , G06N3/045
CPC分类号： H04L63/145 , H04L63/1425 , G06N3/02 , G06N3/045
摘要： A method for identifying computer nodes comprising malware in a computer network. The method comprises receiving a graph relating to a computer network; processing, by a neural network, the received graph; identifying, by the neural network, a subgraph of the received graph. The identified subgraph comprises an indication of a plurality of computer nodes of the network traffic data that are infected with malware, and a label indicating a type of malware infecting the indicated computer nodes.

9. 发明公开

EP4409846A1 CONTENT DELIVERY 审中-实审
公开(公告)号：EP4409846A1
公开(公告)日：2024-08-07
申请号：EP22790304.4
申请日：2022-09-20
申请人： British Telecommunications public limited company
发明人： NILSSON, Michael , APPLEBY, Stephen , STEVENS, Timothy , TURNBULL, Rory
IPC分类号： H04L12/18
CPC分类号： H04L12/1886

10. 发明公开

EP4407497A1 PRIVACY-CONTROLLED ANALYTICS SERVICE 审中-公开
公开(公告)号：EP4407497A1
公开(公告)日：2024-07-31
申请号：EP23150284.0
申请日：2023-01-24
申请人： British Telecommunications public limited company
发明人： The designation of the inventor has not yet been filed
IPC分类号： G06F21/62 , H04L9/40
CPC分类号： H04L63/0407 , G06F21/6254
摘要： A computer-implemented method is provided for performing privacy controlled data analytics. The method is performed by a computer system configured to provide incoming anonymized data to a plurality of different analysis functions for analyzing the data, each analysis function having its own set of requirements for data attributes that need to be available in the incoming data, the incoming data originating from a plurality of data sources and being anonymized by applying one or more of a plurality of predetermined anonymization protocols. The method comprises: determining one or more attributes present in the incoming data that will be processed by the computer system; determining the analysis functions that are capable of being implemented based on the determined one or more attributes of the incoming data and the data attribute requirements for the analysis functions; determining the data attributes of the incoming data that can be anonymised whilst preserving data utility based on the requirements of the analysis functions; determining, for each of a plurality of privacy settings, a privacy score and a data utility score, each privacy setting comprising a unique combination of analysis function, anonymization protocol applied to the data, anonymization protocol parameter value and data attribute; receiving input selecting a desired privacy setting; and processing an anonymized set of data, anonymized according to an identified anonymization protocol, according to the analysis function associated with the selected privacy setting. A corresponding computer system and computer program are also provided.

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