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公开(公告)号：US20170257776A1
公开(公告)日：2017-09-07
申请号：US15600120
申请日：2017-05-19
发明人： Kåre Agardh , Rickard Ljung , Yuichi Morioka
CPC分类号： H04W16/14 , H04W74/0816
摘要： A method for securing radio resources for a Long Term Evolution-unlicensed, LTE-U, data transmission is disclosed. The method includes transmitting a plurality of bits in an unlicensed frequency band which are inserted before the LTE-U data transmission. Related communication devices, methods by devices, and systems are disclosed.
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公开(公告)号：US10123213B2
公开(公告)日：2018-11-06
申请号：US15600120
申请日：2017-05-19
发明人： Kåre Agardh , Rickard Ljung , Yuichi Morioka
摘要： A method for securing radio resources for a Long Term Evolution-unlicensed, LTE-U, data transmission is disclosed. The method includes transmitting a plurality of bits in an unlicensed frequency band which are inserted before the LTE-U data transmission. Related communication devices, methods by devices, and systems are disclosed.
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公开(公告)号：US11510247B2
公开(公告)日：2022-11-22
申请号：US15780050
申请日：2015-11-30
发明人： Kåre Agardh , Rickard Ljung
摘要： Embodiments provide efficient channel access utilizing a channel assessment mode and include determining that a predetermined condition exists on a radio bandwidth (e.g., unlicensed band); and, in response to determining that the predetermined condition exists on the radio bandwidth, initiating the channel assessment mode on the mobile device, where the channel assessment mode is configured to implement a channel assessment scheme configured for efficiently accessing a channel on the radio bandwidth. Some embodiments monitor the radio bandwidth for one or more triggering events indicative of interference; and detect at least one of the one or more triggering events indicative of interference on the radio bandwidth in order to determine the predetermined condition exists. These triggering events may include determining a current/historic packet collision probability is above a threshold, detecting signals that identify another radio access system, detecting a channel utilization ratio above a threshold, and determining a current/historic data throughput.
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公开(公告)号：US20190223217A1
公开(公告)日：2019-07-18
申请号：US15779701
申请日：2015-11-30
发明人： Rickard Ljung , Kåre Agardh
CPC分类号： H04W74/0816 , H04W24/08 , H04W28/0289 , H04W72/1215 , H04W74/0808
摘要： Embodiments provide for improving fairness among devices accessing a radio bandwidth, the devices including a mobile device using the radio bandwidth to access a radio access system using a channel access protocol, wherein the channel access protocol is a collision avoidance-type channel access protocol configured for using a back-off time before transmitting a retransmission (e.g., CSMA). Embodiments determine information from the radio bandwidth, where the information comprises inter-system packet transmission information; analyze the inter-system packet transmission information to determine an adjusted back-off time; and implement, by a mobile device, the adjusted back¬off time before transmitting the retransmission over the radio bandwidth.
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公开(公告)号：US20190076047A1
公开(公告)日：2019-03-14
申请号：US16076619
申请日：2016-02-09
发明人： Ola Thörn , Magnus Midholt , Kåre Agardh , Erik Bengtsson
IPC分类号： A61B5/0488 , G06F3/01
摘要： Determining the location of a body area network enabled device on a user's body and using the location information to determine whether to send instructions or data to the device over the body area network, includes integrating an EMG sensor into a device that is wearable or otherwise meant to be in contact with or close proximity to an intended area of a user's body. The integrated EMG sensor may detect the electrical potential of the user's body at the point of contact. Variance of electrical potential across the user's body may be used to determine information regarding the location of the sensor, and thus, the location of the device on the user's body. The location of the device, in turn, may be used to determine whether to send instructions or data to the device over the body area network.
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公开(公告)号：US10019894B2
公开(公告)日：2018-07-10
申请号：US15357409
申请日：2016-11-21
发明人： Kåre Agardh , Erik Bengtsson , Ola Thörn
CPC分类号： G08C17/02 , G08C2201/70 , G08C2201/71 , G08C2201/92
摘要： The present application relates to a remote control device for controlling a plurality of controllable devices. The remote control device comprises at least two spaced apart antennas for receiving a radio signal from a same positioning device, a sending unit for sending a control signal, and a control unit. The control unit is configured to determine a position information of the remote control device in relation to the positioning device based on the radio signal, to select a controllable device of the plurality of controllable devices depending on the position information, and to send a control information for controlling the selected controllable device via the control signal with the sending unit to the selected controllable device.
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公开(公告)号：US10925004B2
公开(公告)日：2021-02-16
申请号：US16486830
申请日：2017-02-23
IPC分类号： H04W52/02
摘要： A control message is indicative of a timing parameter of a slotted transmission (500) comprising active slots (501) and inactive slots (502). At least one repetition (351) of data (401) is transmitted in an active slot on a wireless link.
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公开(公告)号：US10555343B2
公开(公告)日：2020-02-04
申请号：US15779701
申请日：2015-11-30
发明人： Rickard Ljung , Kåre Agardh
摘要： A method for improving fairness among devices accessing a radio bandwidth. The devices include a mobile device using the radio bandwidth to access a radio access system using a channel access protocol, wherein the channel access protocol is a collision avoidance-type channel access protocol configured for using a back-off time before transmitting a retransmission (e.g., CSMA). Information is determined from the radio bandwidth. The information is analyzed to determine an adjusted back-off time. The mobile device implements the adjusted back off time before transmitting the retransmission over the radio bandwidth.
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公开(公告)号：US20180352579A1
公开(公告)日：2018-12-06
申请号：US15780050
申请日：2015-11-30
发明人： Kåre Agardh , Rickard Ljung
CPC分类号： H04L1/0001 , H04L25/0206 , H04W16/14 , H04W74/0808
摘要： Embodiments provide efficient channel access utilizing a channel assessment mode and include determining that a predetermined condition exists on a radio bandwidth (e.g., unlicensed band); and, in response to determining that the predetermined condition exists on the radio bandwidth, initiating the channel assessment mode on the mobile device, where the channel assessment mode is configured to implement a channel assessment scheme configured for efficiently accessing a channel on the radio bandwidth. Some embodiments monitor the radio bandwidth for one or more triggering events indicative of interference; and detect at least one of the one or more triggering events indicative of interference on the radio bandwidth in order to determine the predetermined condition exists. These triggering events may include determining a current/historic packet collision probability is above a threshold, detecting signals that identify another radio access system, detecting a channel utilization ratio above a threshold, and determining a current/historic data throughput.
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公开(公告)号：US09715019B2
公开(公告)日：2017-07-25
申请号：US14949371
申请日：2015-11-23
发明人： Bo Larsson , Kåre Agardh , Magnus Persson , Peter Karlsson
摘要： Methods and devices for determining a relative position between a first device and a second device are described. Measurement signals are transmitted from the first device to the second device. Each measurement signal is associated with a corresponding radio frequency spectrum in which the measurement signal is transmitted. A first radio frequency spectrum associated with a first measurement signal has a different frequency range than a second radio frequency spectrum associated with a second measurement signal of the plurality of measurement signals. At the second device the relative position based on at least the first and second measurement signals is determined.
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