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1. 发明申请

WO2021229510A1 ALIGNING TRANSMISSION TIMING ON DIFFERENT CARRIER FREQUENCIES 审中-公开
公开(公告)号：WO2021229510A1
公开(公告)日：2021-11-18
申请号：PCT/IB2021/054127
申请日：2021-05-13
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： DORTSCHY, Boris , ÅSTRÖM, Magnus , DAHLMAN, Erik , BAO, Lei , ERIKSSON, Per-Erik
IPC分类号： H04W56/00 , H04W56/0015 , H04W56/0045
摘要： Systems and methods are disclosed herein for aligning transmission timing on different carrier frequencies in an Integrated Access and Backhaul (IAB) network. In one embodiment, a method performed by an IAB node for an IAB network comprises receiving, from an IAB parent node, information about a timing offset, T'D, wherein the timing offset, T'D, is equal to or a 5 function of a timing offset, TD, between a downlink timing of a first carrier at the IAB parent node and a downlink timing of a second carrier at the IAB parent node, the second carrier being different than the first carrier. The method further comprises deriving a downlink timing offset for the second carrier at the IAB node based on the information about the timing offset, T'D, and performing one or more downlink transmission at the IAB node on the second carrier based on 0 the derived downlink timing offset.

2. 发明申请

WO2020139177A1 IAB POWER CONTROL 审中-公开
公开(公告)号：WO2020139177A1
公开(公告)日：2020-07-02
申请号：PCT/SE2018/051366
申请日：2018-12-24
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： DORTSCHY, Boris , DAHLMAN, Erik , HUANG, Yezi , ERIKSSON, Per-Erik , BALDEMAIR, Robert
IPC分类号： H04B7/026 , H04B7/155 , H04W52/46 , H04W52/16 , H04W52/14
摘要： There is disclosed a method of operating a power-controlled radio node (C, 100) in a radio access network, the power-controlled radio node (C, 100) being in connection with a first Integrated Access and Backhaul, IAB, node (200, N1, N2) via a first communication link and being in connection with a second IAB node (200, N1, N2) via a second communication link, the method comprising transmitting uplink signaling on the first communication link based on power control information pertaining to the second communication link. The disclosure also pertains to related methods and devices. (Fig. 6)

3. 发明申请

WO2019139524A1 PACKET FORWARDING IN INTEGRATED ACCESS BACKHAUL (IAB) NETWORKS 审中-公开
公开(公告)号：WO2019139524A1
公开(公告)日：2019-07-18
申请号：PCT/SE2018/051342
申请日：2018-12-19
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： MILDH, Gunnar , TEYEB, Oumer , ERIKSSON, Per-Erik
IPC分类号： H04W88/08 , H04W40/22
摘要： Exemplary embodiments include methods and/or procedures performed by a first intermediate node of a multi-hop, integrated access backhaul communication network. Embodiments include receiving a data packet destined for a target node of the communication network, the first intermediate node being configured to communicate with the target node via a second intermediate node of the network. Embodiments include determining an address for the data packet based on a mapping function associated with the target node, and forming a packet header, including the previously-determined address, for the data packet. Forming the packet header can include at least one of the following operations: excluding one or more higher-layer protocol headers related to the second intermediate node; and incorporating without modification a portion, associated with the target node, of an existing header of the data packet. Embodiments include sending the data packet, comprising the packet header, to the address via the second intermediate node.

4. 发明申请

WO2015002584A1 RADIO UNIT AND METHOD PERFORMED BY A RADIO UNIT OPERABLE IN A BASE STATION SYSTEM OF A WIRELESS COMMUNICATION NETWORK FOR REDUCING INTERFERENCE AT THE RADIO UNIT 审中-公开
标题翻译：无线电单元和无线电单元执行的方法在无线通信网络的基站系统中运行，以减少无线电单元的干扰
公开(公告)号：WO2015002584A1
公开(公告)日：2015-01-08
申请号：PCT/SE2013/050851
申请日：2013-07-03
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： ERIKSSON, Per-Erik , BERG, Miguel , LU, Chenguang , TROJER, Elmar
IPC分类号： H04W88/08
CPC分类号： H04B3/32 , H04B1/10 , H04B15/00 , H04W88/085
摘要： Disclosed is a method performed by a radio unit (10) operable in a base station system of a wireless communication network, for reducing interference at the RU. The base station system comprises a baseband unit (30) the radio unit (10) and a plurality of radio heads (21-26) wherein the radio unit is connected to the plurality of radio heads via a number of metallic conductors (40), and wherein a signal is to be communicated to the radio unit at a first frequency range over one of the number of metallic conductors from one of the plurality of radio heads. The method comprises: detecting (206) if there is any near end crosstalk, NEXT, at a receiver of the RU, the receiver being connected to the one of the number of metallic conductors,and, when NEXT is detected, triggering (210) the one of the plurality of RHs to send the signal to be communicated over the one of the number of metallic conductors at a second frequency range different from the first frequency range where a lower NEXT is expected than at the first frequency range. Disclosed are also a corresponding radio unit and a computer program.
摘要翻译：公开了一种在无线通信网络的基站系统中可操作的无线电单元（10）执行的方法，用于减少RU处的干扰。基站系统包括无线电单元（10）的基带单元（30）和多个无线电头（21-26），其中无线电单元经由多个金属导体（40）连接到多个无线电头，并且其中信号将在来自多个无线电头中的一个的多个金属导体中的一个上的第一频率范围上传送到无线电单元。该方法包括：检测（206）在RU的接收机处是否存在近端串扰NEXT，接收机连接到多个金属导体中的一个，并且当检测到NEXT时，触发（210）多个RH中的一个发送要在与期望较低NEXT的第一频率范围不同于在第一频率范围的第一频率范围的多个金属导体中的一个上传送的信号。还公开了相应的无线电单元和计算机程序。

5. 发明申请

WO2012018289A3 METHOD IN A COMMUNICATION SYSTEM 审中-公开
公开(公告)号：WO2012018289A3
公开(公告)日：2012-02-09
申请号：PCT/SE2010/050877
申请日：2010-08-05
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ) , LU, Chenguang , ERIKSSON, Per-Erik
发明人： LU, Chenguang , ERIKSSON, Per-Erik
IPC分类号： H04B3/32
摘要： Method and arrangement in a Vector Control Entity for efficient selection of which crosstalk to cancel when applying partial vectoring in a DSL communication system. The method comprises calculating a respective crosstalk effect indicator, CEI ij , for the crosstalk from each line j of a plurality J of lines in a vectoring group, to a plurality of tones S i of a line i in the vectoring group, based on the strength of the crosstalk from each line j to line i, and thus providing one CEl i -value, associated with the plurality S j of tones, per line j. The method further comprises allocating partial-vectoring resources to cancellation of crosstalk, based on the calculated CEIs. The arrangement is adapted to enable the performance of the above described method.

6. 发明申请

WO2022015231A1 CONTROL PLANE CONNECTION MIGRATION IN AN INTEGRATED ACCESS BACKHAUL NETWORK 审中-公开
公开(公告)号：WO2022015231A1
公开(公告)日：2022-01-20
申请号：PCT/SE2021/050730
申请日：2021-07-15
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： MILDH, Gunnar , MUHAMMAD, Ajmal , BARAC, Filip , SCHLIWA-BERTLING, Paul , ERIKSSON, Per-Erik , TEYAB, Oumer
IPC分类号： H04W36/18 , H04W36/30 , H04W88/08
摘要： An integrated access backhaul, IAB, node (12) migrates a control plane connection (22)of the IAB node (12) from first radio network equipment (14A) to second radio network equipment (14B). After migrating the control plane connection (22), the IAB node (12) at least temporarily maintains a radio network layer application protocol connection (24) between the IAB node (12) and the first radio network equipment (14A).

7. 发明申请

WO2021211048A1 FIRST NODE, SECOND NODE AND METHODS PERFORMED THEREBY FOR HANDLING TRANSMISSIONS IN A COMMUNICATIONS NETWORK 审中-公开
公开(公告)号：WO2021211048A1
公开(公告)日：2021-10-21
申请号：PCT/SE2021/050351
申请日：2021-04-16
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： MILDH, Gunnar , TEYAB, Oumer , BARAC, Filip , MUHAMMAD, Ajmal , ERIKSSON, Per-Erik
IPC分类号： H04W76/12 , H04W76/15 , H04W84/04
摘要： A method performed by a first node (1811), for handling transmission of one or more packets and/or one or more messages from a sending to a receiving node. The first node (1811) operates in a communications network (1800) comprising at least one intermediate node (1803) between the sending and the receiving node. The first node (1811) sends (1901) a first indication to a second node (1812) explicitly indicating whether or not at least one of: i) the one or more packets are, or are to be, duplicated over a GTP layer, ii) duplication of the packets over the GTP layer is enabled, supported and/or active, iii) one or more messages are, or are to be, duplicated over a SCTP layer between the first node (1811) and one or more next hop nodes (1804, 1805), and iv) duplication of the messages over the SCTP layer is enabled, supported and/or active.

8. 发明申请

WO2021211045A1 FIRST NODE, SECOND NODE AND METHODS PERFORMED THEREBY IN A COMMUNICATIONS NETWORK FOR HANDLING TRANSMISSION OF ONE OR MORE PACKETS FROM A SENDING NODE TO A RECEIVING NODE 审中-公开
公开(公告)号：WO2021211045A1
公开(公告)日：2021-10-21
申请号：PCT/SE2021/050348
申请日：2021-04-16
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： BARAC, Filip , ERIKSSON, Per-Erik , MILDH, Gunnar , MUHAMMAD, Ajmal , TEYEB, Oumer
IPC分类号： H04W76/12 , H04W76/15
摘要： A method performed by a first node (1811), for handling transmission of one or more packets from a sending node (1801) to a receiving node (1802). The first node (1811) operates in a communications network (1800). The communications network (1800) comprises at least one intermediate node (1803) between the sending node (1801) and the receiving node (1802). The first node (1811) determines (1901) whether or not to duplicate the one or more packets between the first node (1811) and a second node (1812) comprised in the communications network (1800). The first node (1811) then sends (1903), based on a result of the determination, at least one of the one or more packets and the one or more duplicates, over a Backhaul Adaptation Protocol, BAP, layer, or one or more Backhaul Radio Link Channels between the first node (1811) and the second node (1812).

9. 发明申请

WO2021161264A1 METHODS AND NODES FOR SIMULTANEOUS RECEPTION ON BACKHAUL AND ACCESS LINKS IN IAB NODES 审中-公开
公开(公告)号：WO2021161264A1
公开(公告)日：2021-08-19
申请号：PCT/IB2021/051205
申请日：2021-02-12
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： ZHANG, Chunhui , JAKOBSSON, Peter , KAZMI, Muhammad , CHAPMAN, Thomas , ELFSTRÖM, Torbjörn , LUNDQVIST, Fredrik , BAO, Lei , DORTSCHY, Boris , MAKKI, Behrooz , ÅSTRÖM, Magnus , ERIKSSON, Per-Erik
IPC分类号： H04W52/04 , H04W52/36 , H04W52/06 , H04W52/08 , H04W52/10 , H04W52/12 , H04W52/14 , H04W52/24
摘要： There is provided a method in an Integrated Access Backhaul (IAB) network for simultaneous reception of different signals from different cells or the same cell at an IAB node. The method may comprise: determining a power level difference for one or more pairs of received signals; determining if the power level difference of one or more pairs of the received signals is within a range of power levels; and in response to determining that the power level difference is not within the range, performing one or more of: adjusting one or more of transmission and reception parameters for one of transmitting and receiving signals and transmitting information about the power level difference to a network node. A network node is also provided to implement this method.

10. 发明申请

WO2020065039A1 MULTIPLEXING OF IAB-NODE LINKS 审中-公开
公开(公告)号：WO2020065039A1
公开(公告)日：2020-04-02
申请号：PCT/EP2019/076249
申请日：2019-09-27
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： HUANG, Yezi , DAHLMAN, Erik , DORTSCHY, Boris , ERIKSSON, Per-Erik
IPC分类号： H04B7/155 , H04B7/26
摘要： A method, system and apparatus in a network node 16 configured as an integrated access backhaul, IAB, node to communicate with a parent node and a child node and or a wireless device (WD) is provided. According to one aspect, the process includes, if a collision occurs between a scheduling grant for an uplink parent backhaul and an already issued scheduling grant for an uplink child backhaul, then one of: transmitting on an uplink parent backhaul and ignore possible uplink transmission from the child node and/or the WD; and ignoring a scheduling grant from the parent node and not transmit on an uplink parent backhaul.

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