公开(公告)号：US20190021113A1

公开(公告)日：2019-01-17

申请号：US16136673

申请日：2018-09-20

Applicant: Sony Mobile Communications Inc.

Inventor： Rickard Ljung

IPC: H04W74/08 ,  H04W16/14 ,  H04B17/318 ,  H04W74/00 ,  H04W56/00

Abstract: A base station of a cellular radio communications network configured to operate in an unlicensed radio band, comprising a radio transceiver connected to an antenna, and a controller including a processor and a memory holding computer program code. The processor is configured to execute the computer program code to realize a machine for determining a size for a contention window, within which the base station may transmit data from the transceiver to a radio terminal operating in the network; receiving a signal from the terminal, comprising an indication of occupancy of a radio channel, as detected by the terminal; adjusting the contention window size dependent on the indication of occupancy of the radio channel; transmitting data to the terminal within the adjusted contention window.

公开(公告)号：US09980238B2

公开(公告)日：2018-05-22

申请号：US15004025

申请日：2016-01-22

Applicant: SONY MOBILE COMMUNICATIONS INC.

Inventor： Rickard Ljung

IPC: H04W56/00 ,  H04W76/04 ,  H04L1/18

CPC classification number: H04W56/0005 ,  H04L1/1825 ,  H04L1/1838 ,  H04L1/1848 ,  H04W76/25

Abstract: A message is received via a time-synchronized communication channel implemented on a radio link of a cellular network from a terminal. The message includes data associated with the service implemented by the terminal and a node of the cellular network. The message has been transmitted by the terminal at a first point in time. A timeout point in time of communication associated with the service is determined based on the first point in time.

公开(公告)号：US20180115388A1

公开(公告)日：2018-04-26

申请号：US15848184

申请日：2017-12-20

Applicant: Sony Mobile Communications, Inc.

Inventor： Rickard Ljung ,  Basuki Priyanto

IPC: H04L1/00 ,  H04L27/34 ,  H04W4/00

CPC classification number: H04L1/0003 ,  H04L1/0016 ,  H04L27/34 ,  H04L41/0806 ,  H04L41/0816 ,  H04W4/005 ,  H04W4/70 ,  H04W76/025 ,  H04W76/15

Abstract: A node (100) of a cellular network selects a first modulation scheme setting for a first radio link to a first device (10′). The first modulation scheme setting is selected from a set of modulation scheme settings, each identified by at least one corresponding index. On the basis of a mapping of each of the indices to a corresponding set of transmission parameters, the node (100) identifies a first set of link parameters mapped to the index corresponding to the selected first modulation scheme setting. The node (100) then configures the first radio link according to the identified first set of link parameters. Further, the node (100) selects a second modulation scheme setting for a second radio link to a second device (10).

公开(公告)号：US09930537B2

公开(公告)日：2018-03-27

申请号：US14994878

申请日：2016-01-13

Applicant: Sony Mobile Communications Inc.

Inventor： Rickard Ljung ,  Zhinong Ying ,  Linh Trang ,  Peter C. Karlsson ,  Magnus Persson

IPC: H04W36/00 ,  H04W16/18 ,  H04W16/24 ,  H04W36/22 ,  H04W36/32 ,  H04W16/26 ,  H04B7/185 ,  H04W84/00

CPC classification number: H04W16/18 ,  B64C39/024 ,  B64C2201/027 ,  B64C2201/122 ,  H04B7/18504 ,  H04W16/24 ,  H04W16/26 ,  H04W24/02 ,  H04W36/22 ,  H04W36/32 ,  H04W84/005

Abstract: Apparatus, systems, and methods are disclosed for determining dynamic positioning of mobile cells. Dynamic positioning provides for navigating a mobile cell, such as an unmanned aerial vehicle or the like, to a location suitable for offloading current network traffic, such that the suitable location maximizes offloading capabilities. The methodology describes takes into account both the current traffic load on the network and the location of the highest system capacity-intensive mobile terminals in determining an initial position for deploying the mobile cell. Additionally, the location of the deployed mobile cell is optimized, over time, based on tracking the direction of movement of the highest capacity-intensive mobile terminals, and, in some embodiments, service quality indicators provided by the mobile terminals and/or contextual information captured by the mobile cell apparatus.

公开(公告)号：US09839003B2

公开(公告)日：2017-12-05

申请号：US15289419

申请日：2016-10-10

Applicant: Sony Corporation ,  Sony Mobile Communications Inc.

Inventor： Rickard Ljung ,  Linh Trang

IPC: H04W68/00 ,  H04W68/02 ,  H04W64/00 ,  H04W68/06 ,  H04W68/04 ,  H04W60/04

CPC classification number: H04W68/02 ,  H04W60/04 ,  H04W64/006 ,  H04W68/04 ,  H04W68/06

Abstract: The invention is directed to reducing paging overhead in a network. An exemplary method comprises: determining whether a user equipment (UE) is substantially stationary, wherein the UE is located in a first network cell associated with a network; in response to determining the UE is substantially stationary, transmitting an indicator to the network; determining whether the UE moves from the first network cell to a second network cell; and in response to determining the UE moves from the first network cell to the second network cell, transmitting updated location information associated with the UE to the network.

公开(公告)号：US11240840B2

公开(公告)日：2022-02-01

申请号：US16483886

申请日：2018-02-07

Applicant: Sony Mobile Communications Inc.

Inventor： Rickard Ljung

IPC: H04W4/00 ,  H04B7/212 ,  H04B1/00 ,  H04W74/08

Abstract: The present invention relates to a method comprising monitoring a first value indicative of at least one of a relative occupancy of a wireless channel, and a signal quality of a signal received from a remote communication device (10) via the wireless channel. Furthermore, the method comprises monitoring a second value indicative of a signal level (301) on the wireless channel, and, based on the first value and the second value, selectively initiating a data transmission via the wireless channel.

公开(公告)号：US11240818B2

公开(公告)日：2022-02-01

申请号：US16483596

申请日：2018-01-24

Applicant: SONY MOBILE COMMUNICATIONS INC. ,  SONY CORPORATION

Inventor： Martin Beale ,  Rickard Ljung ,  Basuki Priyanto ,  Shin Horng Wong

IPC: H04W72/04 ,  H04W72/12

Abstract: Method carried out in a radio communications network for communicating with a user equipment, comprising transmitting resource allocation information addressed to the user equipment, wherein said resource allocation information comprises an indication of frequency domain repetition, and wherein said frequency domain repetition is associated with a predetermined mapping of repetitions.

公开(公告)号：US11005616B2

公开(公告)日：2021-05-11

申请号：US16065098

申请日：2015-12-22

Applicant: Sony Mobile Communications Inc.

Inventor： Rickard Ljung

IPC: H04L5/00 ,  H04L1/18 ,  H04L1/08 ,  H04L1/00 ,  H04L1/16

Abstract: A plurality of payload messages (502, 505, 508) is communicated on a radio link of a cellular network between a terminal (130) and an access node (112) of the cellular network. Each one of the plurality of payload messages (502, 505, 508) includes a data packet (501) encoded according to a given redundancy version (371-373). The number of the plurality of payload messages (502, 505, 508) may be dynamically and flexibly adjusted in some embodiments. Examples are given which may be applied for coverage enhancement in the Internet of Things or Machine Type Communication domain.

公开(公告)号：US10893086B2

公开(公告)日：2021-01-12

申请号：US16348428

申请日：2016-11-10

Applicant: Sony Mobile Communications Inc.

Inventor： Rickard Ljung ,  Peter Isberg

IPC: H04L29/06 ,  H04L29/08

Abstract: A streaming client (100) receives or sends information on a type of node of a node (110, 120, 130) for assisting streaming of data. Based on the information on the type of node, the streaming client selects the node to assist in streaming of data to the streaming client (100). The information on the type of node may be conveyed in a message transmitted from the streaming client (100) or in a message to the streaming client (100).

公开(公告)号：US10855354B2

公开(公告)日：2020-12-01

申请号：US16343799

申请日：2017-11-03

Applicant: Sony Mobile Communications Inc.

Inventor： Basuki Priyanto ,  Erik Bengtsson ,  Rickard Ljung

IPC: H04W74/08 ,  H04B7/06 ,  H04B7/08 ,  H04L5/00 ,  H04W72/04

Abstract: Multi-beam multiplexing in mobile radio communication networks, specifically for initial network access transmissions, such as Random Access Channel (RACH) transmissions and other initial network access signals that affect the operation of the Random Access operation. A network node is configured to distribute, simultaneously, a plurality of beams across a predetermined coverage area. Each of the beams are associated with a different coverage area. In addition, a plurality of sub-carriers are precoded in an OFDM modulated signal, which includes control information, for the purpose of shaping (i.e., beamforming) each of the plurality of beams. In this regard, one or more sub-carriers are mapped to a beam.