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公开(公告)号：US10004002B2
公开(公告)日：2018-06-19
申请号：US14430216
申请日：2012-09-28
发明人： Bengt Lindoff , Qianxi Lu , Qingyu Miao , Leif Wilhelmsson
CPC分类号： H04W36/0011 , H04W4/80 , H04W36/00 , H04W36/03 , H04W36/165 , H04W72/0453 , H04W76/14 , H04W84/042
摘要： The present disclosure relates to a method of a first radio device in non-network assisted device-to-device (D2D) communication with a second radio device using a first frequency resource and a first communication protocol. The method comprises determining that the first radio device is within coverage of a cellular network. The method also comprises connecting to the cellular network. The method also comprises sending a message to the second radio device, informing said second radio device that the first radio device is within coverage of the cellular network. The method also comprises receiving a message from the cellular network comprising information about a second frequency resource and a second communication protocol. The method also comprises initiating a handover of the D2D communication from the first frequency resource and communication protocol to the second frequency resource and communication protocol.
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公开(公告)号：US09706589B2
公开(公告)日：2017-07-11
申请号：US14428032
申请日：2012-09-18
发明人： Gabor Fodor , Erik Dahlman , Göran N. Klang , Stefan Parkvall , Leif Wilhelmsson
CPC分类号： H04W76/023 , H04W4/70 , H04W8/12 , H04W72/1215 , H04W76/14 , H04W84/042
摘要： Embodiments herein relate to a method in a first network node (16) for enabling device to device, D2D, communication between a first device (10) and a second device (13). The first device (10) is served by a first public land mobile network comprising the first network node (16) and the second device (13) is served by a second public land mobile network. The first network node (16) receives, from the second device (13), via the second public land mobile network, or from the first device (10), a request for permission for the second device (13) of roaming to the first public land mobile network enabling the D2D communication. The request requests access to a resource controlled by the first network node (16) of the first public land mobile network. The first network node (16) decides whether to grant the request based on a position related information of the second device (13) and/or the first device (10).
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公开(公告)号：US09686666B2
公开(公告)日：2017-06-20
申请号：US14428877
申请日：2012-09-17
CPC分类号： H04W8/005 , H04W72/0453 , H04W72/082 , H04W76/14 , H04W92/18
摘要： A method in a first wireless device for handling Device to Device, D2D, communication between the first wireless device and a second wireless device is provided. The first wireless device sends a beacon signal to be received by the second wireless device. The beacon signal announces that the first wireless device is available for D2D communication. The beacon signal is sent on a first channel where the first wireless device is interfered. The beacon signal indicates that no response to the beacon signal shall be sent on the first channel.
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4.发明申请公开(公告)号：US20170141874A1
公开(公告)日：2017-05-18
申请号：US14778592
申请日：2015-08-27
发明人： Rocco Di Taranto , Meng Wang , Leif Wilhelmsson
CPC分类号： H04L1/0003 , H04L1/0009 , H04L1/0026 , H04L5/0007 , H04L5/0023 , H04L5/0048 , H04L5/0055 , H04L5/006 , H04L5/0085 , H04L5/0094 , H04W72/085
摘要： This disclosure provides a method, performed in a modulation and coding scheme, MCS module of a network node, for modulation and coding scheme, MCS, selection for a link between the network node and a terminal device in an orthogonal frequency division multiple access, OFDMA, based system. The OFDMA-based system provides a plurality of sub-carriers. The method comprises obtaining channel quality indicators for the plurality of sub-carriers, and estimating a link quality over a bandwidth corresponding to the plurality of sub-carriers based on the obtained channel quality indicators. The method comprises selecting a sub-carrier out of the plurality of sub-carriers as a new sub-carrier to be used for a communication to/from the terminal device based on the determined link quality. The method comprises selecting a MCS for the new sub-carrier; and transmitting information to the terminal device, the information comprising an indication of a new sub-carrier to the terminal device.
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公开(公告)号：US09603061B2
公开(公告)日：2017-03-21
申请号：US14651682
申请日：2013-12-02
发明人： Bengt Lindoff , Johan Nilsson , Leif Wilhelmsson
CPC分类号： H04W36/0022 , H04W36/30 , H04W48/18 , H04W88/06
摘要： There is provided association of a radio access technology, RAT, supported by a wireless device, WD, with a first service. The WD supports at least a first RAT, a second RAT and a third RAT. The second RAT supports a first service and a second service, the first RAT supports the first service but not the second service, and the third RAT supports at least the first service. An indicator that the second service is to be associated with the second RAT is acquired. An indicator that said third RAT is available for use is acquired. Channel measurements for at least one of the second RAT and the third RAT are acquired. The first service is associated with one of the second RAT and the third RAT based on the acquired channel measurements.
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6.发明授权公开(公告)号：US09585179B2
公开(公告)日：2017-02-28
申请号：US14399950
申请日：2013-05-03
发明人： Bengt Lindoff , Leif Wilhelmsson
CPC分类号： H04W76/023 , H04W24/08 , H04W56/001 , H04W76/14 , H04W76/19 , H04W88/06
摘要： A method of a first wireless communication device adapted to perform network assisted device-to-device communication is disclosed, wherein a device-to-device communication connection comprises a device-to-device communication link between the first wireless communication device and a second wireless communication device and a device-to-network communication link between the first wireless communication device and a network node. The method comprises monitoring a synchronization of the device-to-device communication link and transmitting a device-to-device communication link report to the network node over the device-to-network communication link if the synchronization of the device-to-device communication link is lost. The method also comprises monitoring a synchronization of the device-to-network communication link and adapting) a communication of the device-to-device communication link if the synchronization of the device-to-network communication link is lost. Corresponding computer program product, arrangement and wireless communication device are also disclosed.
摘要翻译： 公开了一种适于执行网络辅助设备到设备通信的第一无线通信设备的方法，其中设备到设备的通信连接包括第一无线通信设备和第二无线通信设备之间的设备到设备的通信链路 通信设备和第一无线通信设备与网络节点之间的设备到网络通信链路。 该方法包括监视设备到设备通信链路的同步，并且如果设备到设备通信的同步，则通过设备到网络通信链路将设备到设备通信链路报告发送到网络节点 链接丢失。 如果设备到网络通信链路的同步丢失，则该方法还包括监视设备到网络通信链路的同步并适配设备到设备通信链路的通信。 还公开了相应的计算机程序产品，布置和无线通信设备。
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公开(公告)号：US09350313B2
公开(公告)日：2016-05-24
申请号：US14366808
申请日：2012-11-29
发明人： Leif Wilhelmsson , Lars Sundström
CPC分类号： H03G3/3042 , H03F3/19 , H03F2200/294 , H03F2200/451 , H03G3/001 , H03G3/3078
摘要： The present invention relates to a method and device for performing automatic gain control of a received signal. The method comprises the steps of receiving (S101) the signal and amplifying the received signal on the basis of a difference between a power reference value and actual power of the amplified signal. The method further comprises the steps of determining (S102) signal-to-interference ratio of the received signal and controlling (S103) amplification such that the amplified signal attains a target power level by further taking into account the determined signal-to-interference ratio, which target power level is increased as the determined signal-to-interference ratio decreases.
摘要翻译： 本发明涉及一种对接收信号进行自动增益控制的方法和装置。 该方法包括以下步骤：根据功率参考值与放大信号的实际功率之差，接收（S101）信号并放大接收信号。 该方法还包括以下步骤：确定（S102）接收信号的信号干扰比，并且控制（S103）放大，使得放大的信号通过进一步考虑所确定的信号干扰比达到目标功率电平 ，随着所确定的信号干扰比的降低，目标功率电平增加。
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公开(公告)号：US20160014796A1
公开(公告)日：2016-01-14
申请号：US14432551
申请日：2015-02-24
发明人： Johan Söder , Filip Mestanov , Yu Wang , Leif Wilhelmsson
CPC分类号： H04W72/1205 , H04W24/02 , H04W48/12 , H04W74/006 , H04W74/0808 , H04W84/12
摘要： There is provided a method, performed by a network node associated with at least two wireless communication devices, for scheduling packet transmission over a radio-based medium. The method comprises sensing (S1) the radio-based medium by estimating a received signal level, and evaluating (S2), for each of the at least two wireless communication devices, whether the radio-based medium is accessible or free for transmission based on comparing the received signal level to a respective threshold associated with the considered wireless communication device. The method further comprises scheduling (S3) packet transmission over the radio-based medium based on the evaluating, for each of the at least two wireless communication devices, whether the radio-based medium is accessible or free for transmission.
摘要翻译： 提供了一种由与至少两个无线通信设备相关联的网络节点执行的用于基于无线电的媒体调度分组传输的方法。 该方法包括：通过估计接收的信号电平来感测（S1）基于无线电的介质，并且对于所述至少两个无线通信设备中的每个无线通信设备评估（S2）基于无线电的介质是否可访问或基于 将接收到的信号电平与与所考虑的无线通信设备相关联的相应阈值进行比较。 所述方法还包括：基于对所述至少两个无线通信设备中的每个无线通信设备评估所述基于无线电的介质是否可访问或是否可用于传输的，对所述基于无线电的介质进行调度（S3）分组传输。
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公开(公告)号：US09210026B2
公开(公告)日：2015-12-08
申请号：US14672267
申请日：2015-03-30
发明人： Lars Sundström , Fenghao Mu , Leif Wilhelmsson
CPC分类号： H04L27/389 , H03D7/166 , H03D2200/0088 , H04B1/126 , H04L25/08
摘要： A complex intermediate frequency mixer (IFM) for frequency translating a received complex intermediate frequency, IF, signal, wherein the received complex IF signal comprises at least two frequency bands located at upper-side and lower-side of 0 Hz, is provided. The complex intermediate frequency mixer comprises a first, second, third and fourth mixer (M1, M2, M3, M4). The complex intermediate frequency mixer further comprises a first, second, third and fourth gain adjusting component (α1, α2, δ2, δ1), connected to a first, second, third and fourth mixer output (M1-out, M2-out, M3-out, M4-out), respectively. Moreover, a first summing unit (S1), connected to a first gain output (α1-out), a fourth gain output (δ1-out) and a third mixer output (M3-out) negated, and second summing unit (S2), connected to the second gain output (α2-out), the third gain output (δ2-out) and the fourth mixer output (M4-out), are configured to output a first baseband complex signal of the received complex IF signal.
摘要翻译： 一种复合中频混频器（IFM），用于频率转换接收的复合中频IF，信号，其中所接收的复合IF信号包括位于0Hz的上侧和下侧的至少两个频带。 复合中频混频器包括第一，第二，第三和第四混频器（M1，M2，M3，M4）。 复合中频混频器还包括连接到第一，第二，第三和第四混频器输出（M1-out，M2-out，M3）的第一，第二，第三和第四增益调整分量（α1，α2，δ2，δ1） -out，M4-out）。 此外，连接到第一增益输出（α1-out），第四增益输出（δ1-out）和第三混频器输出（M3-out）的第一求和单元（S1）被否定，以及第二加法单元（S2） ，连接到第二增益输出（α2-out），第三增益输出（δ2-out）和第四混频器输出（M4-out），被配置为输出所接收的复合IF信号的第一基带复信号。
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10.发明申请USER EQUIPMENT, A NETWORK NODE, AND METHODS FOR DEVICE DISCOVERY IN DEVICE-TO-DEVICE (D2D) COMMUNICATIONS IN A WIRELESS TELECOMMUNICATIONS NETWORK 有权用户设备，网络节点和用于在无线电信网络中的设备到设备（D2D）通信中的设备发现的方法公开(公告)号：US20150237663A1
公开(公告)日：2015-08-20
申请号：US14424709
申请日：2012-09-18
发明人： Leif Wilhelmsson , Stefan Parkvall , Gabor Fodor , Göran N. Klang , Erik Dahlman
CPC分类号： H04W76/14 , H04W52/243 , H04W52/246 , H04W52/26 , H04W52/281 , H04W72/0473 , H04W72/085
摘要： A method in a first user equipment for adjusting a beacon signal to be detected by at least one second user equipment in a wireless telecommunications network is provided. The beacon signal is transmitted in order to enable an establishment of Device-to-Device, D2D, communication between the first user equipment and the at least one second user equipment. The method is characterized in that the method comprises adjusting, prior to transmitting the beacon signal, the transmit power of the beacon signal based on a requirement of an application in the first user equipment for which the D2D communication is to be established.A user equipment, a network node, and a method in a network node for enabling a D2D communication between a first user equipment and at least one second user equipment are also provided.
摘要翻译： 提供了一种用于调整由无线电信网络中的至少一个第二用户设备检测的信标信号的第一用户设备中的方法。 发送信标信号以便能够建立第一用户设备和至少一个第二用户设备之间的设备到设备D2D的通信。 该方法的特征在于，该方法包括在发送信标信号之前，根据要建立D2D通信的第一用户设备中的应用的要求来调整信标信号的发射功率。 还提供了用于在第一用户设备和至少一个第二用户设备之间进行D2D通信的用户设备，网络节点和网络节点中的方法。
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