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31. 发明申请

WO2021213637A1 SELF-COHERENT OPTICAL TRANSMISSION SYSTEM AND RECEIVER 审中-公开
公开(公告)号：WO2021213637A1
公开(公告)日：2021-10-28
申请号：PCT/EP2020/061100
申请日：2020-04-21
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： CAVALIERE, Fabio , GIORGI, Luca , POTI, Luca
IPC分类号： H04B10/61
摘要： An optical receiver (100) comprising: a polarisation controller (102) arranged to receive as its input a first modulated optical signal having a first polarisation and an unmodulated optical carrier signal polarisation aligned with the first modulated optical signal, the first modulated optical signal having negligible spectral power density within a predetermined bandwidth, BW, around an optical spectrum of the unmodulated optical carrier signal; optical filter apparatus (104) having a main polarisation mode; and coherent optical receiver apparatus (106), wherein the polarisation controller is arranged to apply polarisation rotations to the first modulated optical signal and the unmodulated optical carrier signal such that their polarisation is aligned to the main polarisation mode of the optical filter apparatus, the optical filter apparatus is arranged to receive and separate the unmodulated optical carrier signal from the first modulated optical signal, and the coherent optical receiver apparatus is arranged to receive said separated signals and perform coherent detection of the first modulated optical signal using as a local oscillator, LO, signal the unmodulated optical carrier signal.

32. 发明申请

WO2020187418A1 ROUTING FLEXE DATA IN A NETWORK 审中-公开
公开(公告)号：WO2020187418A1
公开(公告)日：2020-09-24
申请号：PCT/EP2019/057007
申请日：2019-03-20
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： CAVALIERE, Fabio , DEBENEDETTI, Paolo , CECCARELLI, Daniele
IPC分类号： H04L12/723 , H04L29/08
摘要： Methods and apparatus are provided for routing Flex Ethernet (FlexE) data in a network. In an example aspect, a method comprises receiving data on a first FlexE physical layer (PHY) group, determining, from first FlexE overhead on the first FlexE PHY group, that data in one or more time slots on the first FlexE PHY group is associated with a predetermined path in the network, determining a second FlexE PHY group for the data in the one or more time slots based on at least a portion of the predetermined path in the network, and sending the data on the second FlexE PHY group.

33. 发明申请

WO2020043318A1 TIME AND WAVELENGTH DIVISION MULTIPLEXING 审中-公开
公开(公告)号：WO2020043318A1
公开(公告)日：2020-03-05
申请号：PCT/EP2018/073533
申请日：2018-08-31
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： IOVANNA, Paola , CAVALIERE, Fabio
IPC分类号： H04J14/02
摘要： A method for scheduling resources for a Wavelength Division Multiplexed, WDM, Passive Optical Network, PON. The WDM PON comprises a central hub (201) and a plurality of remote Optical Network Terminals, ONTs, (220) handling different types of communications traffic. The method (450) comprises receiving (452) a notification message from the plurality of remote Optical Network Terminals, ONTs, indicating a loading status of the ONT, and allocating (454) one or more slots to a plurality of the ONTs based on the received notification messages from the ONTs, wherein the plurality of ONTs (220) handle different types of communications traffic. The slots (301) are allocated based on the received notification messages as a time slot which is time division multiplexed with further time slots, and the slots are further allocated based on the received notification messages as an optical wavelength of a plurality of optical wavelengths of the WDM PON.

34. 发明申请

WO2017071759A1 COMMUNICATION NETWORK CONTROL METHOD AND CONTROLLER 审中-公开
标题翻译：通信网络控制方法和控制器
公开(公告)号：WO2017071759A1
公开(公告)日：2017-05-04
申请号：PCT/EP2015/075129
申请日：2015-10-29
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： CAVALIERE, Fabio , IOVANNA, Paola , STRACCA, Stefano , RUFFINI, Stefano
IPC分类号： H04L12/727 , H04L12/721 , H04W28/02 , H04L12/715
CPC分类号： H04L45/121 , H04L45/123 , H04L45/64 , H04W28/0247
摘要： A method (10) of controlling a communication network comprising a transport network and a radio network comprising a plurality of radio network nodes connected through the transport network. The method comprises: a. receiving (12) from the transport network available timing service information, ATSI, for a proposed path between a first one of the radio network nodes and a second one of the radio network nodes through the transport network, the proposed path being selected in relation to an event within the transport network; b. comparing (14) the ATSI with minimum timing service information, MTSI, of the proposed path; c. if the ATSI is worse than the MTSI, determining (16) whether an alternative one of the radio network nodes may perform a function performed by one of the first and second radio network nodes; and d. if so, selecting (18) a further proposed path between the alternative one of the radio network nodes and the other of the first and second radio network nodes through the transport network.
摘要翻译：一种控制通信网络的方法（10），该通信网络包括传输网络和包括通过传输网络连接的多个无线电网络节点的无线电网络。该方法包括：a。从所述传输网络接收（12）可用定时服务信息ATSI，用于所述无线电网络节点中的第一无线电网络节点与所述无线电网络节点中的第二无线电网络节点之间通过所述传输网络提出的路径，所述建议的路径根据运输网络内的事件; 湾将（14）ATSI与所提出的路径的最小定时服务信息MTSI进行比较; C。如果所述ATSI比所述MTSI差，则确定（16）所述无线电网络节点中的备选无线电网络节点是否可以执行由所述第一无线电网络节点和所述第二无线电网络节点之一执行的功能; 和d。如果是，则通过传输网络选择（18）另一无线电网络节点与第一和第二无线电网络节点中的另一个之间的另一建议路径。

35. 发明申请

WO2017041829A1 METHOD OF TRANSMITTING COMMUNICATIONS TRAFFIC, TRANSMITTER AND COMMUNICATIONS TRANSMISSION SYSTEM 审中-公开
标题翻译：传输通信交通，发射机和通信传输系统的方法
公开(公告)号：WO2017041829A1
公开(公告)日：2017-03-16
申请号：PCT/EP2015/070494
申请日：2015-09-08
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： CAVALIERE, Fabio , POTI, Luca , MALACARNE, Antonio , FORESTIERI, Enrico , SECONDINI, Marco
IPC分类号： H04B10/516 , H04B10/556 , H04J14/04
CPC分类号： H04B10/516 , H04B10/5563 , H04J14/04
摘要： A method (10) of transmitting communications traffic, the method comprising steps of receiving a sequence of communications traffic bits (12); and mapping the sequence of communications traffic bits onto a respective one of a plurality of transmission symbols for transmission during a symbol time (14). Each transmission symbol is identified by a respective first symbol identifier indicative of a respective one or more of a plurality, M, of wavelengths for a transmission signal and a respective second symbol identifier indicative of a respective one or more of a plurality, N, of optical fibres on which to transmit the transmission signal.
摘要翻译：一种发送通信业务的方法（10），所述方法包括以下步骤：接收通信业务位（12）的序列; 以及将所述通信业务比特的序列映射到多个发送符号中的相应一个，以在符号时间（14）期间进行发送。每个传输符号由相应的第一符号标识符标识，该第一符号标识符指示用于传输信号的多个波长的相应一个或多个，以及相应的第二符号标识符，其指示多个的相应的一个或多个N 传输传输信号的光纤。

36. 发明申请

WO2017034450A1 METHOD AND ARRANGEMENT FOR DISTRIBUTION OF SYNCHRONIZATION SIGNALS 审中-公开
标题翻译：用于分发同步信号的方法和布置
公开(公告)号：WO2017034450A1
公开(公告)日：2017-03-02
申请号：PCT/SE2015/050906
申请日：2015-08-27
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： RUFFINI, Stefano , BOTTARI, Giulio , CAVALIERE, Fabio
IPC分类号： H04W56/00
CPC分类号： H04W56/001
摘要： A method and an arrangement for providing synchronisation information (e.g. for phase synchronisation) to an access node, e.g. a radio base station. A reference signal is received 300 from a synchronisation source node, wherein the reference signal comprises at least one timing reference. Receiving 300 the reference signal comprises receiving the reference signal by means of an antenna device associated with the synchronisation module. The received reference signal is processed 302 to form at least one synchronisation packet, wherein each one of the at least one synchronization packet comprises a respective one of the at least one timing reference. The at least one synchronisation packet is distributed 304 to the access node via a physical connection. By arranging a synchronization module in a building and processing reference signals received by an antenna means at the building to form synchronization signals, timing references comprised in the reference signals may be distributed via physical connections to access nodes to be utilised for phase synchronization. Thereby, access nodes, such as radio base stations, may be properly provided with phase synchronization information even they are located in indoor environments.
摘要翻译：一种用于向接入节点提供同步信息（例如，用于相位同步）的方法和装置，例如，无线电基站。从同步源节点接收300的参考信号，其中参考信号包括至少一个定时参考。接收300参考信号包括通过与同步模块相关联的天线装置接收参考信号。接收的参考信号被处理302以形成至少一个同步分组，其中至少一个同步分组中的每一个包括至少一个定时参考中的相应的一个。经由物理连接将至少一个同步分组分发给接入节点304。通过在建筑物中布置同步模块并且处理由建筑物处的天线装置接收的参考信号以形成同步信号，参考信号中包括的定时参考可以经由物理连接分配到接入节点以用于相位同步。因此，即使它们位于室内环境中，诸如无线电基站的接入节点也可以被适当地提供相位同步信息。

37. 发明申请

WO2016192764A1 COMMUNICATION BETWEEN BASE STATIONS IN A RADIO ACCESS NETWORK 审中-公开
标题翻译：无线接入网络基站之间的通信
公开(公告)号：WO2016192764A1
公开(公告)日：2016-12-08
申请号：PCT/EP2015/062038
申请日：2015-05-29
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： RUFFINI, Stefano , STRACCA, Stefano , SABELLA, Roberto , PONZINI, Filippo , IOVANNA, Paola , CAVALIERE, Fabio , BOTTARI, Giulio
IPC分类号： H04W88/08 , H04W92/20
CPC分类号： H04W88/14 , H04L12/6418 , H04W88/085 , H04W92/20
摘要： A network node (30) for a radio access network, wherein the network node comprises a switch system (35) configured to switch traffic for a plurality of base stations (3, 5; 8) of the radio access network. The switch system (35) is configured to provide for communication between a remote radio unit (3) and a baseband processing unit (5, 12) of the said plurality of base stations. The switch system (35) is configured to provide for communication between a first base station (8) and a second base station (3, 5) of said plurality of base stations. At least one of the first or second base station is a radio base station (8) comprising baseband processing.
摘要翻译：一种用于无线电接入网络的网络节点（30），其中所述网络节点包括被配置为切换所述无线电接入网络的多个基站（3,5; 8）的业务的交换系统（35）。交换机系统（35）被配置为提供所述多个基站的远程无线单元（3）和基带处理单元（5,12）之间的通信。交换机系统（35）被配置为提供所述多个基站中的第一基站（8）和第二基站（3,5）之间的通信。第一或第二基站中的至少一个是包括基带处理的无线电基站（8）。

38. 发明申请

WO2016173616A1 METHOD AND APPARATUS FOR MULTIPLEXING AND DEMULTIPLEXING SIGNALS 审中-公开
标题翻译：用于多路复用和解复用信号的方法和装置
公开(公告)号：WO2016173616A1
公开(公告)日：2016-11-03
申请号：PCT/EP2015/059100
申请日：2015-04-27
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： PONZINI, Filippo , GIORGI, Luca , CAVALIERE, Fabio
IPC分类号： H04L5/02 , H04L27/34
CPC分类号： H04L5/023 , H04J14/02 , H04L27/34
摘要： A method in a node of a telecommunication network comprises receiving a digital communication signal from a first signal source, wherein the digital communication signal comprises a plurality of low amplitude windows, step (101), and receiving one or more analog subcarrier signals from a second signal source, step (103). The method further comprises multiplexing the one or more analog subcarrier signals into one or more of the plurality of low amplitude windows of the digital communication signal, step (105).
摘要翻译：电信网络的节点中的方法包括从第一信号源接收数字通信信号，其中所述数字通信信号包括多个低幅度窗口，步骤（101），以及从第二信号源接收一个或多个模拟子载波信号信号源，步骤（103）。该方法还包括将一个或多个模拟副载波信号复用成数字通信信号的多个低幅度窗口中的一个或多个，步骤（105）。

39. 发明申请

WO2023083464A1 METHODS AND APPARATUS FOR DETERMINING A SIGNALLING DELAY 审中-公开
公开(公告)号：WO2023083464A1
公开(公告)日：2023-05-19
申请号：PCT/EP2021/081592
申请日：2021-11-12
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： CAVALIERE, Fabio , TARTAGLIA, Antonio , PARKHOLM, Ulf , JOHANSSON, Mikael
IPC分类号： H04B10/077 , H04L43/0852 , H04B10/25 , H04J3/06
摘要： A method (200) is disclosed for determining a signalling delay associated with each of one or more of a plurality of signalling connections between first and second devices. Each of the first and second devices comprises a plurality of transmit ports and a plurality of receive ports, and each signalling connection comprises a transport medium connecting a transmit port on one of the first or second devices to a receive port on the other of the first or second devices. The method comprises causing a message to be transmitted on a plurality of different signalling paths between the first and second devices, wherein each signalling path comprises a combination of two signalling connections, and originates and terminates at the first device (210). The method further comprises obtaining, for each signalling path, a time delay between transmission of the message from the first device and reception of the message at the first device (220), and assembling a plurality of linear equations, each linear equation of the plurality representing an obtained time delay as a summation of the signalling delays associated with each of the signalling connections of the signalling path for which the time delay was obtained (230). The method further comprises solving the plurality of linear equations to determine the signalling delay associated with one of more individual signalling connections of the plurality (240).

40. 发明申请

WO2023006211A1 A BROADCAST-AND-SELECT NODE 审中-公开
公开(公告)号：WO2023006211A1
公开(公告)日：2023-02-02
申请号：PCT/EP2021/071356
申请日：2021-07-29
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： GIORGI, Luca , CAVALIERE, Fabio , IOVANNA, Paola
IPC分类号： H04J14/02 , H04B10/032
摘要： Embodiments described herein relate methods and apparatuses for dealing with upstream and downstream signals in a Broadcast-and-Select, B&S, node. A first B&S node comprises a first downstream port coupled to a first downstream power splitter/combiner, a second downstream port coupled to a second downstream power splitter/combiner, and a third downstream port coupled to a third downstream power splitter/combiner. The first downstream power splitter/combiner is configured to split a total power of a first downstream optical signal received at the first downstream port to form a first version and a second version of the first downstream optical signal, the second power splitter/combiner is configured to: receive the first version of the first downstream optical signal, and transmit the first version of the first downstream optical signal to a first network node via the second downstream port, the third downstream power splitter/combiner is configured to: receive the second version of the first downstream optical signal, and transmit the second version of the first downstream optical signal to a second network node via the third port.

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