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公开(公告)号：EP4140179A1
公开(公告)日：2023-03-01
申请号：EP20932546.3
申请日：2020-04-22
发明人： RYDÉN, Henrik , SANDBERG, David , ZACHRISON, Mats
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公开(公告)号：EP3639416A1
公开(公告)日：2020-04-22
申请号：EP17913952.2
申请日：2017-06-16
发明人： SANDBERG, David , WIGREN, Torbjörn
IPC分类号： H04B17/373 , H04L1/00 , H04W72/08
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公开(公告)号：EP3354090A1
公开(公告)日：2018-08-01
申请号：EP16771019.3
申请日：2016-09-15
发明人： SANDBERG, David , KANGAS, Ari , ÅHLANDER, Mats
CPC分类号： H04J11/0056 , H04L5/0007 , H04L5/005 , H04L5/0073 , H04L27/2613 , H04W72/1289
摘要： A method and a network node (700) serving a first cell in a wireless network, for reducing interference in a second cell caused by transmission of reference signals in the first cell. The network node (700) transmits (7:2) in the first cell a scheduling block where a number of said reference signals are located in predefined resource element positions in the scheduling block, using a time offset relative transmission of a scheduling block in the second cell. Thereby, the impact of interference from a reference signal from one network node will be distributed over several resource elements in the other network node so that the impact in each resource element is reduced, as compared to when all interference from the reference signal hits one single resource element when no time offset is used.
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公开(公告)号：EP3141048B1
公开(公告)日：2018-08-01
申请号：EP14723046.0
申请日：2014-05-06
发明人： KLOCKAR, Lars , SANDBERG, David
CPC分类号： H04W52/244 , H04W52/12 , H04W52/146 , H04W52/241 , H04W52/267 , H04W52/325
摘要： Methods and apparatus for uplink power control in a communication system with a low power cell neighbouring a macro cell. The low power cell includes a low power node serving a user equipment (UE). The macro cell includes a base station serving one or more other UE(s). The low power node is configured to determine a power offset between the macro cell and the low power cell. The received power spectral density target for the UE calculation is based on the minimum of a first signal strength target for the UE and estimated noise and interference power(s), or a second signal strength target for the UE and the calculated power offset. The uplink power control for the UE is adjusted based on the calculated received power spectral density target. The first signal strength target may be based on the signal-to-interference-plus-noise ratio target for the UE and the second signal strength target may be based on a signal strength derived from a signal-to-noise ratio target for the UE.
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25.发明公开DETERMINING SIGNAL TO NOISE RATIO AND TTI BUNDLING ADAPTATION IN A COMMUNICATION NETWORK 有权确定通信网络中的噪声比和TTI束缚适应的信号
公开(公告)号：EP3262777A1
公开(公告)日：2018-01-03
申请号：EP15707086.3
申请日：2015-02-24
发明人： SANDBERG, David , NORDSTRÖM, Björn
CPC分类号： H04W72/082 , H04B17/318 , H04B17/336 , H04L1/0007 , H04L1/08 , H04L1/20 , H04W72/0446
摘要： Disclosed is a network node and a method performed by a network node in a wireless communication network for determining signal to noise ratio of a signal received at a receiver from a first mobile station, which signal may include both noise and interference. The method comprises obtaining a plurality of measured noise and interference power values, IN values, of signals received at the receiver in one or more frequency sub-bands, determining IN for a lowest X percentile of the measured IN values, and applying the determined IN for the lowest X percentile as a measure of the noise. The method further comprises obtaining a measured signal strength value for a signal received at the receiver from the first mobile station, and determining SNR for the signal from the first mobile station by applying the determined noise measure.
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公开(公告)号：EP3262772A1
公开(公告)日：2018-01-03
申请号：EP15710287.2
申请日：2015-02-24
发明人： SANDBERG, David , WIGREN, Torbjörn
IPC分类号： H04B17/391
CPC分类号： H04B17/3913 , H04L1/0021 , H04L25/024
摘要： A method performed by radio network node for enabling channel handling of a channel between a wireless device and the radio network node in a wireless communication network. The channel is defined in continuous time and a sampling rate of the channel is non-uniform. The radio network node predicts a channel gain using a first sampling descriptor indicating a first momentary sampling frequency and a second sampling descriptor indicating a second momentary sampling frequency, wherein the first sampling descriptor operates on a different segment of continuous time than the second sampling descriptor. The predicted channel gain enables channel handling such as channel estimation and link adaptation.
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公开(公告)号：EP3097733A1
公开(公告)日：2016-11-30
申请号：EP14704707.0
申请日：2014-01-23
IPC分类号： H04W72/04
CPC分类号： H04W76/068 , H04M7/006 , H04W28/0278 , H04W72/0413 , H04W72/042 , H04W72/1284 , H04W72/14 , H04W76/38
摘要： It is presented a method for releasing semi-persistent scheduling, SPS, for a wireless device. The method is performed in a network node and comprising the steps of: transmitting an SPS release message to the wireless device to release uplink SPS; starting a timer; when a first condition is true, transmitting a grant for uplink transmission to the wireless device, the first condition being true when the timer expires and/or a scheduling request has been received from the wireless device; receiving a data type indication from the wireless device; and determining that an SPS release message has been correctly received by the wireless device when a scheduling request has been received from the wireless device, the grant has been transmitted and the data type indication indicates only voice over internet protocol, VoIP, data from the wireless device.
摘要翻译： 提出了一种用于发布无线设备的半持久调度SPS的方法。 该方法在网络节点中执行，并且包括以下步骤：向所述无线设备发送SPS释放消息以释放上行链路SPS; 启动计时器 当第一条件为真时，向无线设备发送用于上行链路传输的许可，当定时器期满时第一条件为真，和/或已经从无线设备接收到调度请求; 从所述无线设备接收数据类型指示; 以及当已经从所述无线设备接收到调度请求时，确定所述无线设备已正确地接收到SPS释放消息，所述许可已被发送，并且所述数据类型指示仅指示来自所述无线电协议的VoIP，来自所述无线电的数据 设备。
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公开(公告)号：EP3033840A1
公开(公告)日：2016-06-22
申请号：EP13756737.6
申请日：2013-08-12
发明人： SANDBERG, David , ÅHLANDER, Mats
CPC分类号： H04L1/0026 , H04B7/0626 , H04B7/063 , H04L25/0204 , H04L25/021 , H04L25/0242 , H04L25/0256
摘要： The teachings relate to a method 100 performed in a network node 2 for determining a link adaptation parameter, SINRLA,i, for a wireless device 3. The network node 2 supporting a multi-antenna transmission mode comprising spatial multiplexing layers for transmission of data on a channel between the wireless device 3 and the network node 2. The method 100 comprises: determining 110 a channel covariance matrix H HH for the channel, wherein H is the channel matrix for the channel; approximating 120 a post-equalizer signal to interference plus noise ratio SINRapprox., for a spatial multiplexing layer i using the channel covariance matrix H HH; determining 130 an offset SINRoffset, i to be the difference between a received signal to interference plus noise ratio SINRreceived and the approximated post-equalizer signal to interference plus noise ration SINRapprox.,i, and determining 140 the link adaptation parameter SINRLA,i to be the approximated post-equalizer signal to interference plus noise ratio SINRapprox.,i compensated by the determined offset SINRoffset. Corresponding network node, computer program and computer program products are also provided.
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