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1. 发明授权

US11569891B2 Methods, network nodes, and computer programs for transmit timing adjustment 有权
公开(公告)号：US11569891B2
公开(公告)日：2023-01-31
申请号：US17255359
申请日：2018-06-26
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Mona Hashemi , Henrik Sahlin , Per-Erik Eriksson , Behrooz Makki , Lei Bao
IPC分类号： H04W76/19 , H04B7/06 , H04W56/00 , H04W68/00
摘要： There is provided mechanisms for transmit time adjustment. A method is performed by a second network node. The method comprises obtaining an indication of a need for transmit time adjustment with a first network node during ongoing communication with the first network node. The method comprises providing a first notification to at least one third network node to adjust its receive timing for receiving a signal from the second network node as part of ongoing communication with the second network node. The method comprises adjusting transmit timing for transmitting a first signal to the first network node as part of the ongoing communication with the first network node and for transmitting at least one second signal to the at last one third network node as part of the ongoing communication with the at least one third network node.

2. 发明申请

US20220346046A1 Synchronisation Signaling for Integrated Access and Backhaul Nodes 有权
公开(公告)号：US20220346046A1
公开(公告)日：2022-10-27
申请号：US17765735
申请日：2019-10-04
申请人： Telefonaktiebolaget LM Ericsson (PUBL)
发明人： Yezi Huang , Erik Dahlman , Boris Dortschy , Lei Bao
IPC分类号： H04W56/00 , H04B7/08 , H04B7/06
摘要： There is disclosed a method of operating an Integrated Access and Backhaul (IAB) node (200, C, N3) in a wireless communication network, the IAB node being in a communication link with a second IAB node using a signaling beam, the IAB node further being scheduled to perform beam sweeping with a plurality of synchronisation beams, one of the synchronisation beams corresponding to the signaling beam; wherein a synchronisation beam is scheduled to carry synchronisation signaling; and wherein the method comprises performing beam sweeping such that the synchronisation beam corresponding to the signaling beam carries information signaling replacing the synchronisation signaling at least in part. The disclosure also pertains to related methods and devices.

3. 发明申请

US20220346042A1 IAB Synchronisation Signaling 有权
公开(公告)号：US20220346042A1
公开(公告)日：2022-10-27
申请号：US17765076
申请日：2019-10-02
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Yezi Huang , Boris Dortschy , Lei Bao
IPC分类号： H04W56/00 , H04W24/10
摘要： There is disclosed a method of operating an Integrated Access and Backhaul (IAB) node (200, C, N3) in a wireless communication network, the method comprising determining a measurement result pertaining to synchronisation signaling received by the IAB node from a second IAB node according to a reception pattern, wherein the measurement result is based on weights associated to the reception pattern. The disclosure also pertains to related methods and devices.

4. 发明申请

US20220116104A1 Discovery for IAB Nodes 有权
公开(公告)号：US20220116104A1
公开(公告)日：2022-04-14
申请号：US17426771
申请日：2019-01-29
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Jinhua Liu , Lei Bao
IPC分类号： H04B7/155 , H04L5/00 , H04L27/26
摘要： There is disclosed a method of operating a transmitting network node, in particular a transmitting Integrated Access and Backhaul, IAB, node, in a wireless communication network, the method comprising transmitting discovery reference signaling for a discovering IAB node based on a received discovery transmission request. The disclosure also pertains to related methods and devices.

5. 发明授权

US11108455B2 Antenna geometries for improved MIMO communication 有权
公开(公告)号：US11108455B2
公开(公告)日：2021-08-31
申请号：US16977576
申请日：2018-04-24
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Mikael Coldrey , Lei Bao , Jonas Hansryd , Martin Johansson , Christina Larsson
IPC分类号： H04B7/06 , H04B7/0413
摘要： A method for selecting a geometry of an antenna array in a multiple-input multiple-output, MIMO, radio communication system (100), the method comprising; obtaining a first parameter set comprising a first communication distance D1 and a first carrier frequency f1, and a second parameter set comprising a second communication distance D2 and a second carrier frequency f2, determining a first radio communication performance measure based on the first parameter set in dependence of antenna array geometry, and a second radio communication performance measure based on the second parameter set in dependence of antenna array geometry, and selecting the antenna array geometry based on the first radio communication performance measure and on the second radio communication performance measure.

6. 发明申请

US20220256485A1 MUTING PATTERN SIGNALING IN IAB INTER-NODE MEASUREMENT 有权
公开(公告)号：US20220256485A1
公开(公告)日：2022-08-11
申请号：US17608229
申请日：2020-04-24
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： Boris Dortschy , Erik Dahlman , Yezi Huang , Lei Bao , Behrooz Makki
IPC分类号： H04W56/00 , H04W24/10
摘要： In one aspect, a wireless relay node operating in a wireless communications network obtains (602), for each of one or more other wireless relay nodes, information indicating a muting pattern for muting of synchronization signal blocks, SSBs, by the other wireless relay node. The wireless relay node performs (604) measurements of SSBs and muting of SSB transmissions based on the obtained information.

7. 发明申请

US20210296753A1 Antenna Radome Heating for Point to Point Radio Links 有权
公开(公告)号：US20210296753A1
公开(公告)日：2021-09-23
申请号：US17260287
申请日：2018-08-31
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Martin Sjödin , Lei Bao , Jonas Hansryd
IPC分类号： H01Q1/02 , H01Q1/42 , H04B1/40
摘要： The present disclosure relates to an adaptive antenna radome heating system (200, 300, 400) for a point to point radio link, where the adaptive antenna radome heating system comprises a processing unit (150, 220,420) and at least one point to point radio link transceiver (TRX) (111, 121; 210A, 210B, 210C). Each TRX comprises an antenna radome (110, 120) having an antenna radome heating device (140, 141) configured to be activated by a control signal (R1, R2, RN). The processing unit (150, 220, 420) is arranged to determine an onset of accumulated precipitation on the antenna radome of the at least one TRX (111, 121; 210A, 210B, 210C) and to activate the corresponding antenna radome heating device (140, 141) by the control signal (R1, R2, RN) in response to determining the onset of accumulated precipitation.

8. 发明授权

US10547355B2 Rotatable antenna arrangement for LOS-MIMO 有权
公开(公告)号：US10547355B2
公开(公告)日：2020-01-28
申请号：US16088647
申请日：2016-03-29
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Mats Rydström , Lei Bao , Thomas Emanuelsson , Per Ligander , Bengt-Erik Olsson
IPC分类号： H04B7/0413 , H01Q1/12 , H01Q3/04
摘要： An antenna arrangement for LOS-MIMO communication, comprising first and second directive antenna units, a mounting bracket, and a connecting element attached to at least one of the directive antenna units and arranged to separate the directive antenna units by a distance. The connecting element is rotatably arranged in relation to the mounting bracket, wherein a rotation of the connecting element about the rotation axis changes an effective distance d between the first and the second directive antenna units.

9. 发明授权

US09893822B2 Radio link performance prediction 有权
公开(公告)号：US09893822B2
公开(公告)日：2018-02-13
申请号：US14896432
申请日：2013-06-10
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： Lei Bao , Mattias Rydström , Anna Rhodin , Per Ligander
IPC分类号： H04B7/04 , H04B17/391 , H04B17/10 , H04B7/0413
CPC分类号： H04B17/3913 , H04B7/0413 , H04B17/102 , H04B17/104
摘要： A method for predicting the performance of a Line-Of-Sight, LOS, multiple-input multiple-output, MIMO, radio link, the method comprising the steps of determining a single-input single-output, SISO, radio link operating condition comprising a SISO system gain, and calculating a LOS-MIMO incremental gain of the LOS-MIMO radio link, as well as modifying the determined SISO radio link operating condition by accounting for the calculated LOS-MIMO incremental gain in the SISO system gain to obtain a LOS-MIMO radio link operating condition comprising a LOS-MIMO system gain, and also obtaining a set of operating condition requirements of the LOS-MIMO radio link. The method also comprising the step of predicting the LOS-MIMO radio link performance by comparing the LOS-MIMO radio link operating condition to the operating condition requirements of the LOS-MIMO radio link.

10. 发明申请

US20160127059A1 RADIO LINK PERFORMANCE PREDICTION 有权
标题翻译：无线链路性能预测
公开(公告)号：US20160127059A1
公开(公告)日：2016-05-05
申请号：US14896432
申请日：2013-06-10
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： Lei Bao , Mattias Rydström , Anna Rhodin , Per Ligander
IPC分类号： H04B17/391 , H04B17/10 , H04B7/04
CPC分类号： H04B17/3913 , H04B7/0413 , H04B17/102 , H04B17/104
摘要： A method for predicting the performance of a Line-Of-Sight, LOS, multiple-input multiple-output, MIMO, radio link, the method comprising the steps of determining a single-input single-output, SISO, radio link operating condition comprising a SISO system gain, and calculating a LOS-MIMO incremental gain of the LOS-MIMO radio link, as well as modifying the determined SISO radio link operating condition by accounting for the calculated LOS-MIMO incremental gain in the SISO system gain to obtain a LOS-MIMO radio link operating condition comprising a LOS-MIMO system gain, and also obtaining a set of operating condition requirements of the LOS-MIMO radio link. The method also comprising the step of predicting the LOS-MIMO radio link performance by comparing the LOS-MIMO radio link operating condition to the operating condition requirements of the LOS-MIMO radio link.
摘要翻译：一种用于预测Line-Of-Sight，LOS，多输入多输出，MIMO，无线电链路的性能的方法，所述方法包括以下步骤：确定单输入单输出SISO无线电链路操作条件，包括 SISO系统增益，以及计算LOS-MIMO无线电链路的LOS-MIMO增量增益，以及通过计算SISO系统增益中计算的LOS-MIMO增量增益来修改确定的SISO无线电链路工作条件，以获得 LOS-MIMO无线电链路操作条件包括LOS-MIMO系统增益，并且还获得LOS-MIMO无线电链路的一组操作条件要求。该方法还包括通过将LOS-MIMO无线电链路操作条件与LOS-MIMO无线电链路的操作条件要求进行比较来预测LOS-MIMO无线电链路性能的步骤。

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