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1. 发明公开

US20240348487A1 METHODS AND APPARATUSES FOR ADAPTATION OF COMMUNICATION PARAMETER 审中-公开
公开(公告)号：US20240348487A1
公开(公告)日：2024-10-17
申请号：US18292119
申请日：2021-07-26
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Zhan ZHANG , Mårten SUNDBERG , Hamed FARHADI , David SANDBERG , Miguel BERG
IPC分类号： H04L27/34 , H04L5/00
CPC分类号： H04L27/3405 , H04L5/0048
摘要： Methods and apparatuses for adaptation of communication parameter are disclosed. According to an embodiment, a transmitter performs a first transmission to a receiver. The transmitter receives, from the receiver, first information related to one or more candidate constellation maps adapted to one or more current operating conditions, or second information usable for deriving the one or more candidate constellation maps. The transmitter determines a target constellation map based at least on the first information or the second information. The transmitter performs a second transmission to the receiver based on the determined target constellation map.

2. 发明申请

US20220239350A1 BEAMFORMED TRANSMISSION USING A PRECODER 有权
公开(公告)号：US20220239350A1
公开(公告)日：2022-07-28
申请号：US17611270
申请日：2019-05-17
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Sven JACOBSSON , Sina REZAEI AGHDAM , Thomas ERIKSSON , Hamed FARHADI , Ulf GUSTAVSSON
IPC分类号： H04B7/0456 , H04B7/06
摘要： There is provided mechanisms for beamformed transmission using a precoder. A method is performed by a radio transceiver device. The radio transceiver device comprises hardware. The hardware impacts transmission of signals from the radio transceiver device. The method comprises acquiring channel conditions of a radio propagation channel between the radio transceiver device and at least one other radio transceiver device. The method comprises determining a precoder, in form of a linear precoding matrix, for beamformed transmission towards the at least one other radio transceiver device. The precoder is determined according to the channel conditions and a model of how the hardware impacts the transmission of signals from the radio transceiver device. The method comprises transmitting, using the precoder, a signal towards the at least one other radio transceiver device.

3. 发明申请

US20220231750A1 LINK ADAPTATION FOR SPATIAL MULTIPLEXING 有权
公开(公告)号：US20220231750A1
公开(公告)日：2022-07-21
申请号：US17618341
申请日：2019-06-12
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Hamed FARHADI , Ulf GUSTAVSSON , Sven JACOBSSON
IPC分类号： H04B7/06 , H04L1/00 , H04B7/0456
摘要： A link adaptation method is disclosed for a transmitter node configured for spatial multiplexing of signals into streams and for transmission of spatially multiplexed streams over a forward channel, wherein each stream is intended for a receiver node. The method comprises selecting a transmission pre-coding setting for at least one of the spatially multiplexed streams based on an acquired channel estimate of the forward channel, estimating a forward channel disturbance component, wherein the forward channel disturbance component includes signal distortion for the forward channel caused by at least one hardware component of the transmitter node and/or the receiver node, and performing link adaptation for at least one of the spatially multiplexed streams based on the selected transmission pre-coding setting and the estimated forward channel disturbance component. Corresponding apparatus, transmitter node and computer program product are also disclosed.

4. 发明公开

US20230412003A1 WIRELESS ENERGY TRANSFER FROM NETWORK NODE TO USER EQUIPMENT BASED ON PREDICTIONS 审中-公开
公开(公告)号：US20230412003A1
公开(公告)日：2023-12-21
申请号：US18035557
申请日：2020-11-09
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Hamed FARHADI , Nafiseh SHARIATI , Henrik RYDÉN
IPC分类号： H02J50/20 , H02J50/80
CPC分类号： H02J50/20 , H02J50/80
摘要： There is provided mechanisms for wireless energy transfer to a user equipment. A method is performed by a network node. The method includes configuring energy transfer to the user equipment as a function of a prediction of energy properties of the user equipment served by the network node and of properties for wireless communication with the user equipment. The method includes wirelessly transferring energy to the user equipment in accordance with the configured energy transfer.

5. 发明申请

US20220150007A1 PILOT SIGNAL ASSIGNMENT 有权
公开(公告)号：US20220150007A1
公开(公告)日：2022-05-12
申请号：US17427292
申请日：2019-02-04
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Nafiseh SHARIATI , Hamed FARHADI , Niklas JALDÉN
IPC分类号： H04L5/00
摘要： The disclosure provides methods, a base station and network nodes relating to the assignment of pilot signals to wireless devices. One aspect provides a method including obtaining grouping information grouping one or more of the plurality of wireless devices together based at least in part on clustering information corresponding to each of the plurality of wireless devices and according to one or more clustering criterion, assigning at least one pilot signal to the one or more wireless devices based on the grouping information and transmitting the at least one pilot signal.

6. 发明申请

US20210076231A1 CELL SHAPING IN A WIRELESS COMMUNICATIONS NETWORK 有权
公开(公告)号：US20210076231A1
公开(公告)日：2021-03-11
申请号：US16772199
申请日：2017-12-13
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Hamed FARHADI , Niklas JALDÉN , Nafiseh SHARIATI
IPC分类号： H04W24/02 , H04W16/28
摘要： There is provided mechanisms for shaping cells in a wireless communications network. A method is performed by a network node. The method comprises obtaining spatial channel characteristics of a set of currently and/or previously served terminal devices in the wireless communications network, wherein the spatial channel characteristics are indicative of a current collective first network performance metric value for the set of currently and/or previously served terminal devices. The method comprises identifying, using the spatial channel characteristics, those terminal devices of the set of currently and/or previously served terminal devices that have an individual second network performance metric value below a threshold value by comparing the individual second network performance metric value for each of the currently and/or previously served terminal devices to the threshold value. The method comprises determining beam forming parameters for shaping the cells based on the identified terminal devices, wherein the cells are shaped to increase an individual first network performance metric value for the identified terminal devices, wherein the beam forming parameters give rise to a modified set of terminal devices being served in wireless communications network, and wherein spatial channel characteristics of the modified set of terminal devices are indicative of a new collective first network performance metric value for the modified set of terminal devices. The method comprises providing a notification of the determined beam forming parameters to a radio access network node only when the new collective first network performance metric value is not worse than the current collective first network performance metric value.

7. 发明公开

US20240322923A1 A METHOD FOR AN INTERFERENCE-AWARE AND ADAPTIVE TRANSMISSION AND RECEPTION STRATEGY 审中-公开
公开(公告)号：US20240322923A1
公开(公告)日：2024-09-26
申请号：US18289624
申请日：2021-05-07
申请人： Telefonaktiebolaget LM Ericsson ( publ)
发明人： Hamed FARHADI
IPC分类号： H04B17/345 , H04B7/06 , H04L1/00 , H04W24/10
CPC分类号： H04B17/345 , H04B7/0626 , H04L1/0003 , H04W24/10
摘要： A computer implemented method performed by a receiving node (110) in a wireless communications network (100), for detecting information in a first transmit signal (121) sent from a primary transmitting node (120) in the network, where the first transmit signal is comprised in a received signal (112). The received signal also comprises one or more interfering secondary transmit signals (131, 132). The method comprises determining a received signal quality associated with at least one of the secondary transmit signals (131, 132), obtaining a computer implemented classification model configured to classify a transmit signal (121, 131) into a successive interference cancelation, SIC, group based on the received signal quality, classifying the at least one secondary transmit signal (131, 132) using the classification model, and, if one or more of the secondary transmit signals are classified into the SIC group, detecting the information in the first transmit signal (121) based on a SIC information decoding strategy involving the one or more secondary transmit signals (131, 132) classified into the SIC group.

8. 发明公开

US20240187024A1 A RADIO TRANSMITTER WITH ADAPTIVE POWER AMPLIFIER AND DIGITAL TO ANALOG CONVERTER CONFIGURATION 审中-公开
公开(公告)号：US20240187024A1
公开(公告)日：2024-06-06
申请号：US18285062
申请日：2021-03-31
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Hamed FARHADI , Pål FRENGER
IPC分类号： H04B1/04
CPC分类号： H04B1/0475 , H04B2001/0408
摘要： A method for jointly adapting hardware configurations (c1, c2) of a power amplifier (120), PA, and a digital to analog converter (110), DAC, in a radio transmitter (100). The method comprises obtaining (S1) a transmit signal quality requirement for an upcoming radio transmission, determining (S4) a maximum amount of distortion allowed to be contributed by the PA (120) and by the DAC (110) while meeting the transmit signal quality requirement. and jointly adapting (S5) the hardware configuration (c2) of the PA (120) and the hardware configuration (c1) of the DAC (110) to generate an amount of distortion below the maximum amount of distortion, while improving a secondary objective of the radio transmitter.

9. 发明公开

US20240072925A1 DATA TRANSMISSION AND RECEPTION BASED ON DEVICE PERFORMANCE 审中-公开
公开(公告)号：US20240072925A1
公开(公告)日：2024-02-29
申请号：US18260242
申请日：2021-01-04
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Hamed FARHADI , Pål FRENGER , Niklas WERNERSSON , Ulf GUSTAVSSON
IPC分类号： H04L1/00
CPC分类号： H04L1/0003 , H04L1/0009 , H04L1/0015
摘要： The present disclosure relates to methods to transmit and/or receive data in a wireless communications network, and a device performing the methods. In an aspect, a method of fora device configured to transmit data in a wireless communications network is provided. The method comprises acquiring a current value of at least one property affecting performance of the data transmission and determining a level of the performance attained with the current value of said at least one property. The method further comprises selecting, based on the determined level of the performance, at least one device configuration of a plurality of different device configurations allowing successful data transmission for the determined level of the performance and performing the data transmission applying the selected at least one device configuration.

10. 发明公开

US20240283297A1 ENERGY HARVESTING FROM BACKGROUND RF SIGNAL 审中-公开
公开(公告)号：US20240283297A1
公开(公告)日：2024-08-22
申请号：US18571032
申请日：2021-06-17
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Hamed FARHADI , Henrik RYDÉN
IPC分类号： H02J50/20 , H02J50/00 , H02J50/40 , H02J50/80
CPC分类号： H02J50/20 , H02J50/001 , H02J50/40 , H02J50/80
摘要： A method performed by a first network node for enabling a first wireless device to obtain background RF signal energy from background RF signals provided by the first network node and/or at least one second network node in a wireless communications network on a set of time-frequency resources is presented. The first network node estimates a background RF signal energy available to the first wireless device in each time-frequency resource in the set of time-frequency resources. The first network node determines a first subset of the set of time-frequency resources that the first wireless device is to use for obtaining background RF signal energy based on the estimated background RF signal energy. The first network node transmits information indicating the determined first subset of the time-frequency resources to the first wireless device. A network node a first wireless device and method therein are also provided.

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