Sony Corporation

Sony Group Corporation

Yateng Hong

Xiaodong Xu

Ya Qiong Liu

Xi Ke

Yang Liu

Zhongbin Qin

Mingyang Li

Xiaojia Song

Cuibo Yu

Liyao Wei

Cong Zheng

Chengjin Luo

A system that determines a cell density and cell type in an area corresponding to a location of a user equipment; determines a mobility state of the user equipment based on the determined cell density and the determined cell type; and controls cell reselection for the user equipment based on the determined mobility state of the user equipment.

Device and method in wireless communication system

A management apparatus, a measurement apparatus, a management method, a measurement method, and a digital device. The management apparatus at a user equipment side of a wireless communication system includes: a measurement unit, configured to perform wireless resource management measurement on reference signals of a target cell; an interference determination unit, configured to determine whether the interference of the measurement result meets a preset condition, and marking the measurement result with the interference meeting the preset condition as a high interference measurement result; a filtering unit, configured to perform layer-3 filtering on the measurement result; and a mobility management unit, configured to perform mobility management on the user equipment according to the high interference measurement result. Reliable and accurate measurement of reference signals in a small cell scenario is realized.

Management apparatus, measurement apparatus, management method, measurement method and digital device with layer-3 filtering of measurement results

A New Carrier Type (NCT) Secondary Component Carrier (SCC) activation control device and method, an management method and a base station device. The activation control device includes: a measuring module configured to perform radio link measurement to an SCC by measuring at least one of a demodulation reference signal DM-RS and a channel status indicator reference signal CSI-RS; and an activation control module configured to perform activation control to the SCC based on a measurement result.

NCT SCC activation control device and method, management method and base station device

A device and method in a wireless communication system. The device includes: a cell configuration unit configured to control periodic discontinuous transmission mode of cells according to a load condition of the cells and/or interference condition between the cells, and configure parameters of the periodic discontinuous transmission mode including periods; and a user equipment configuration unit configured to configure parameters of periodic discontinuous reception mode of a user equipment including periods according to the parameters of the periodic discontinuous transmission mode, so that the periods of the periodic discontinuous reception mode of the user equipment are compatible with the periods of the periodic discontinuous transmission mode, wherein each period of the periodic discontinuous transmission mode includes an activation time period and a dormancy time period, and a cell provides a service for the user equipment during the activation time period.

Device in wireless communication system and method

A user equipment device including circuitry that establishes a first radio link and a second radio link, the first radio link being between the user equipment and a first node, and the second radio link being between the user equipment and a second node, so that the user equipment is simultaneously communicatively connected with the first node and the second node using the first radio link and the second radio link respectively; determines whether a radio link problem has occurred in the first radio link; starts a first timer the radio link problem has occurred in the first radio link when the first timer expires; and reports, when the radio link problem has occurred, content comprising radio link information of the first radio link including radio link failure type to the second node via the second radio link.

Wireless communication system, for reporting radio link information of a first radio link via a second radio link when radio link problem has occurred in the first radio link

A device and method in a radio communication system. The device includes: an acquisition unit for use in acquiring a signal quality of a mobile terminal relative to a source cell; an assessment unit for use in assessing the degree of change in the signal quality of the mobile terminal relative to the source cell on the basis of multiple signal qualities of the mobile terminal relative to the source cell acquired at every predetermined time interval; and, a triggering unit for use in triggering, on the basis of the degree of change in the signal quality of the mobile terminal relative to the source cell, the mobile terminal to submit a measurement result.

Device and method in radio communication system

A device in a wireless communication system that includes circuitry that acquires location information of user equipment, calculates, according to at least the location information, stay time required for the user equipment to pass through the small cell, the stay time being a limited time, evaluates a mobility state of the user equipment according to the location information of the user equipment at different time by comparing the calculated stay time with a predetermined stay time threshold value, determines an operation from among a plurality of operations related to small cell detection according to changes in the mobility state and the location information of the user equipment, and execute the determined operation related to small cell detection.

Device and method for proximity based small cell discovery

A wireless communication system, an apparatus in the wireless communication system and a method. The apparatus at a user equipment side in the wireless communication system includes: a wireless link problem detector, detecting a first wireless link between a first node and a user equipment to determine whether a wireless link problem occurs; a timer configuration unit, which starts a first timer when detecting that the wireless link problem occurs on the first wireless link, wherein the user equipment considers that a wireless link failure event occurring on the first wireless link is detected when the first timer expires; and a wireless link information reporting unit, which reports content including wireless link information of the first wireless link to a second node through a second wireless link between the user equipment and the second node when detecting that the wireless link problem occurs on the first wireless link.

Wireless communication system for reporting radio link information of a first radio link via a second radio link when radio link problem has occurred in the first radio link

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Beijing, China

Yateng Hong