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公开(公告)号：US20220312258A1
公开(公告)日：2022-09-29
申请号：US17616808
申请日：2020-06-06
IPC分类号： H04W28/02 , H04W72/12 , H04L47/24 , H04L47/283
摘要： A network node (300, 400) a Wireless Communication Network (WNC) bridge (130) receives scheduling information from a Central Network Controller (CNC) (120A). The network node (300, 400) calculates the RAN assistance information based on the scheduling information. The network node (300, 400) forwards the RAN assistance information towards a RAN scheduler that schedules RAN traffic passing through the WCN bridge (130).
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公开(公告)号：US20220272031A1
公开(公告)日：2022-08-25
申请号：US17630777
申请日：2020-07-29
发明人： György Miklós , Balázs Varga , János Farkas , János Harmatos
IPC分类号： H04L45/302 , H04L67/141 , H04W40/02
摘要： A method for establishing a Protocol Data Unit (PDU) Session(s) is disclosed. In examples disclosed herein, a device (e.g., a wireless device) uses a unique Port Number(s) (e.g., an internal physical or logical Port Number) to search for a matching User Equipment (UE) Route Selection Policies (URSP) rule(s) having a Traffic Descriptor(s) that matches the unique Port Number(s). The device then determines whether there exists a matching PDU Session(s) associated with a Route Selection Descriptor(s) of the matching URSP rule(s). Accordingly, the device can reuse the matching PDU Session(s) in a presence of the matching PDU Session(s) or establish a new PDU Session(s) in an absence of the matching PDU Session(s). By using the unique Port Number(s) as the Traffic Descriptor(s) in the URSP rule(s), it is possible to simplify configuration of the device, especially for redundant traffic handling.
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公开(公告)号：US10270686B2
公开(公告)日：2019-04-23
申请号：US15402427
申请日：2017-01-10
IPC分类号： H04L12/709 , H04L12/801 , H04L12/891 , H04L12/823
摘要： A method of updating conversation allocation in link aggregation is disclosed. The method starts with verifying that an implementation of a conversation-sensitive link aggregation control protocol (LACP) is operational at a network device of a network for an aggregation port. Then it is determined that operations through enhanced link aggregation control protocol data units (LACPDUs) are possible. The enhanced LACPDUs can be used for updating conversation allocation information, and the determination is based at least partially on a compatibility check between a first set of operational parameters of the network device and a second set of operational parameters of a partner network device. Then a conversation allocation state of an aggregation port of the link aggregation group is updated based on a determination that the conversation allocation state is incorrect, where the conversation allocation state indicates a list of conversations transmitting through the aggregation port.
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公开(公告)号：US20220369157A1
公开(公告)日：2022-11-17
申请号：US17863645
申请日：2022-07-13
发明人： Marilet De Andrade Jardim , Kefeng Kenny Zhang , János Harmatos , János Farkas , Kun Wang , Paul Schliwa-Bertling , Joachim Sachs , Balázs Varga , Maria Belen Pancorbo Marcos , Chunmeng Wang , György Miklós , Shabnam Sultana
IPC分类号： H04W28/02 , H04W76/12 , H04L12/46 , H04L47/2416 , H04L47/283
摘要： Systems and method are disclosed herein that relate to support for virtual Time-Sensitive Networking (TSN) bridge management, Quality of Service (QoS) mapping, and TSN related scheduling in a cellular communications system. In some embodiments, a method performed by one or more network nodes of a cellular communications system operating as a virtual TSN bridge of a TSN network comprises providing, to a controller associated with the TSN network, parameters that relate to capabilities of the virtual TSN bridge. The parameters that relate to the capabilities of the virtual TSN bridge comprise a first parameter that defines a clock accuracy of an entity in the cellular communications system that operates gating control for the virtual TSN bridge and a second parameter that informs the controller associated with the TSN network that the virtual TSN bridge or a particular egress port of the virtual TSN bridge is restricted to exclusive gating.
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5.发明授权公开(公告)号：US11477833B2
公开(公告)日：2022-10-18
申请号：US16957151
申请日：2017-12-29
发明人： György Miklós , János Farkas , Joachim Sachs , Balázs Varga
摘要： A method is performed by a network entity of a wireless communication network. A first PDU session is established for a wireless terminal (UE) using a first NodeB base station (MgNB) and a first user plane function entity (UPF1). A second PDU session is established for the wireless terminal (UE) using a second NodeB base station (SgNB) and a second user plane function entity (UPF2). The first and second PDU sessions are established for the wireless terminal (UE) using the first and second NodeB base stations so that the first and second PDU sessions are provided concurrently using dual connectivity DC to provide redundant data paths for communication of data for the wireless terminal (UE) through the wireless communication network.
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公开(公告)号：US11258712B2
公开(公告)日：2022-02-22
申请号：US16317936
申请日：2016-07-25
发明人： Szilveszter Nádas , János Farkas , Balázs Varga
IPC分类号： H04L12/813 , H04L12/819 , H04L12/851
摘要： A node of a data network receives data packets (200). For at least one of the received data packets (200), the node determines whether the data packet (200) is a guaranteed data packet which is subject to a guarantee that the data packet is not dropped and not delayed by more than a certain delay limit or a non-guaranteed data packet which is not subject to the guarantee. Based on a worst case calculation of a delay experienced by a data packet forwarded by the node, the node configures a resource contingent with a maximum amount of resources which is more than a minimum amount of resources required to meet the guarantee. Further, the node assigns resources to the resource contingent and identifies resources in excess of the minimum amount as excess resources. In response to determining that the data packet (200) is a non-guaranteed data packet and determining that sufficient excess resources are present, the node forwards the data packet (200) based on the excess resources.
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公开(公告)号：US10063432B2
公开(公告)日：2018-08-28
申请号：US15304477
申请日：2013-11-26
IPC分类号： H04L12/24 , H04L12/46 , H04L12/721
摘要： A method of supporting service chaining at a network device of a data network is disclosed. The data network offers a set of services associated with a set of network devices, where subscribers of the data network are served by chains of one or more services. The method starts upon receiving a frame, and the network device selects a chain of one or more services for the frame to be processed by the data network. The network device encapsulates the frame with a reflected frame message (RFM) header, the RFM header containing source information associated with the network device, destination information associated with an immediate next service for the frame to be processed, an operation code indicating the frame being an RFM frame. Then the network device sends the encapsulated frame out of the network device according to the destination information of the encapsulated frame.
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8.发明申请公开(公告)号：US20170195177A1
公开(公告)日：2017-07-06
申请号：US15463292
申请日：2017-03-20
IPC分类号： H04L12/24 , H04L12/26 , H04L12/709
CPC分类号： H04L41/0816 , H04L41/0672 , H04L43/0811 , H04L45/245 , Y02D50/30
摘要： Methods and apparatus for operating a virtual node in a LAG that includes a first virtual node and a second virtual node are disclosed. The first virtual node includes at least a first fellow node and a second fellow node. In one exemplary method, the first fellow node receives, from the second virtual node, first control information comprising a system ID and first configuration information associated with the LAG. The first control information is compared with reference configuration information representing previously established expected configuration information associated with the LAG. Based on that comparison, and at least one additional criterion, a split brain condition may be determined to exist in the LAG. In a complementary fashion, a fellow node of the second virtual node may be configured to alter its transmitted configuration information depending on whether it is able to communicate with its fellow node in the second virtual node.
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公开(公告)号：US20220368626A1
公开(公告)日：2022-11-17
申请号：US17623327
申请日：2019-07-05
发明人： Balázs Varga , János Farkas , András Kern , István Moldován
摘要： Systems and methods for packet or frame replication and elimination in a Time Sensitive Networking (TSN) network or Deterministic Networking (DetNet) network are disclosed. In some embodiments, a method of operation of a node in a TSN network or DetNet network comprises determining whether to reset a sequence recovery function used for frame or packet elimination for a particular stream of packets based on either or both of an explicit indication or an implicit indication and resetting the sequence recovery function used for frame or packet elimination for the particular stream of packets upon determining to reset the sequence recovery function. In this manner, packet or frame elimination is improved by avoiding scenarios that result in discarding valid packets or frames due to an out of sync condition between the sequence generation function at the replicator and the sequence recovery function at the eliminator.
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公开(公告)号：US20220360537A1
公开(公告)日：2022-11-10
申请号：US17624368
申请日：2019-07-09
发明人： Balázs Varga , János Farkas , András Kern
摘要： Systems and methods are disclosed herein that enable Time Sensitive Networking (TSN) network or Deterministic Networking (DetNet) network replication function fallback. In some embodiments, a method comprises, at a primary replication function, obtaining a packet in a particular stream, obtaining a sequence number for the packet, generating M copies of the packet each comprising the sequence number, transmitting the M copies, and providing, to a redundancy controller, the sequence number or a next sequence number of a next packet to be transmitted for the particular stream. The method further comprises, at the redundancy controller, receiving the sequence number or the next sequence number and providing the sequence number or the next sequence number to a secondary replication function. The method further comprises, at the secondary replication function, receiving the sequence number or the next sequence number and configuring a sequence generation function with the next sequence number.
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