Beijing Irtouch Systems Co., Ltd

China Mobile Communications Corporation

China Mobile Communications Group Co., Ltd.

China Mobile Communication Co.,ltd Research Institute

Rich Yard Investment Group Co., Ltd.

Beijing Intouch Co., Ltd.

Jianjun Liu

Yang Liu

Yi Zhang

Yan Li

Liang Xia

Rui Wang

Xinlin Ye

Xinbin Liu

Qixing Wang

Xiaodong Xu

Zhihua Shi

Fei Wang

Guangyi Liu

Xueying Hou

Xiaodong Shen

Zhenyu Wu

Ting Ke

Xiaobin Wu

Yuhui Wang

Haibing Zhang

Zhenzhong Zou

Hui Tong

Yi Zheng

Hua Shao

Hai Tang

Hui Ma

Jingwen Zhang

Jing Jin

Dan Wu

Zhonghua Liu

Weizheng Zhang

Chengkang Pan

Wujun Wang

Haidong Hao

Haibo Tang

The present disclosure provides a signal transmission method and a signal transmission device. The signal transmission method includes: transmitting a first reference signal, the first reference signal indicating that the first network device is subjected to remote interference; and receiving a second reference signal, the second reference signal indicating that there is the remote interference and/or atmospheric ducting phenomenon.

Signal transmission method and device

The present disclosure discloses an uplink (UL) signal transmission method, apparatus and system, for effectively reducing channel resource overhead while protecting UL channel access opportunities. An uplink signal transmission method implemented on a UE side comprises: a UE determining, from at least one predefined candidate transmission position according to a preset rule, a transmission start position for transmitting an uplink signal; and beginning transmitting of the uplink signal at the determined transmission start position. In an uplink signal transmission method implemented on a base station side, an uplink scheduling grant (UL grant) is sent to schedule a UE to perform uplink transmission, and an uplink subframe sent by the UE is received; and a transmission start position of the uplink signal is determined in the uplink subframe.

Uplink signal transmission method, apparatus, system, communications device, and storage medium

Embodiments of the present application provide a screen projection system, method and apparatus. The system includes a display screen, wherein the display screen is of a fully-closed or partially-closed housing structure, and an inner wall of the housing structure is configured to provide continuous images with a view angle of 180 degrees to 360 degrees in a horizontal direction. The system further includes: at least two groups of projectors, each group including at least one projector. The at least two groups of projectors are hierarchically arranged in a central axis direction of the display screen, each group of projectors is configured to carry out projection onto a portion of an inner wall of the display screen, and light paths of the at least two groups of projectors are configured to avoid audiences and seats. According to the present application, the technical solutions may be applied to different screens.

Screen projection system, method and apparatus

Disclosed are a CSI-RS configuration and CSI feedback method and apparatus, and a relevant device, which are used for implementing 16-port CSI-RS configuration and performing CSI feedback based on a 16-port CSI-RS. The CSI-RS configuration method comprises: determining 16-port channel state information-reference signal (CSI-RS) configuration information configured to a user equipment (UE), wherein the CSI-RS configuration information comprises information about a resource element (RE) occupied by a 16-port CSI-RS configured to the UE, and the RE occupied by the 16-port CSI-RS comprises an RE other than REs occupied by a physical downlink control channel (PDCCH), a cell-dedicated reference signal (RS) and a UE-dedicated RS; and sending, to the UE, the 16-port CSI-RS configuration information configured to the UE.

CSI-RS configuration and CSI feedback method and apparatus, base station and user equipment

Embodiments of the present application provide a display screen, wherein the display screen is in a fully-closed or partially-closed housing structure, an interior of the housing structure being configured to provide continuous images with a view angle of 180 degrees to 360 degrees in a horizontal direction; wherein the housing structure includes a cylindrical portion, a side wall of the cylindrical portion being arranged in a smooth arc line or straight line on an axial cross section, and if the side wall of the cylindrical portion is arranged in the arc line, the radius of a circle corresponding to the arc line is greater than a maximum vertical distance from the arc line to an axial line. According to the present application, the audiences feel comfortable in watching and the cost is saved, while a strong sense of immersion is achieved for the audiences.

Display screen

Disclosed is a small cell discovery method, the method including: a base station of the current service cell receives a physical cell identifier and a status parameter transmitted by a base station of a non-service cell adjacent to the current service cell, the status parameter being used to indicate a mode of transmitting an air interface signal by the base station of the non-service cell; the base station of the current service cell transmits the physical cell identifier and the status parameter to a user equipment. Also, disclosed are a base station, a user equipment and a small cell discovery system.

Small cell discovery method and system, base station, and user equipment, and communication apparatus

Disclosed in embodiments of the present invention are a CSI-RS transmission method, an inspection method and a device thereof. The transmission method comprises: transmitting a CSI-RS via any downlink subframe other than a special subframe, a downlink subframe transmitting a control message, or a downlink subframe transmitting a system message. Embodiments of the present invention enable the CSI-RS to be prevented from conflicting with the control message, the system message, and a message carried by the special subframe.

CSI-RS transmission method and detection method and apparatuses thereof

The present invention relates to a touch positioning method, a touch screen, a touch system and a display. The touch positioning method comprises: processing image collected by the first camera to obtain first image data, and processing image collected by the second camera to obtain second image data, wherein the first image data comprise one touch image block, and the second image data comprise at least two touch image blocks; processing the second image data to obtain third image data, the third image data comprising image blocks of two suspected touch objects; obtaining a distance between the two suspected touch objects according to the first image data and the third image data; and obtaining location information of an actual touch object according to the first image data, the third image data and the distance between the two suspected touch objects. The invention may eliminate misjudgment caused by 'crack dot' (FIG.).

Touch positioning method, touch screen, touch system, and display

Disclosed are an infrared touch screen multipoint recognizing method and an infrared touch screen. The method comprises the following steps: driving infrared transmitting tubes and infrared receiving tubes to scan a touch detection area and saving scan data (); reading scan data of the infrared transmitting tubes and the infrared receiving tubes, to determine boundaries of quasi-touch points and obtain a quasi-touch point set (); reading scan data of the infrared transmitting tubes and the infrared receiving tubes aligned with a first direction off-axis, to obtain a first calibrated touch point set (); reading scan data of the infrared transmitting tubes and the infrared receiving tubes aligned with a second direction off-axis, to obtain a second calibrated touch point set (); and comparing the quasi-touch point set, the first calibrated touch point set and the second calibrated touch point set, to eliminate ghost points and determine real touch points (). The infrared touch screen multi-point recognizing method and the infrared touch screen can recognize multiple touch points through one time of full-screen scanning by using only one set of detecting elements.

Infrared touch screen multi-point recognizing method and infrared touch screen

A touch screen and a multi-channel sampling method thereof are disclosed. The touch screen comprises infrared-emitting diodes, infrared-receiving diodes, a touch detection region, first-stage processing circuits, and a second-stage processing circuit. At least two infrared-receiving diodes receive infrared light emitted from the same infrared light-emitting diode simultaneously, and the at least two infrared-receiving diodes output the received signals to the second-stage processing circuit for processing after the first-stage processing circuits filter out interfering light signals. The touch screen and the multi-channel sampling method thereof according to the present invention can be used to increase the multi-channel sampling rate of the touch screen.

Touch screen having a filter for filtering interfering light signals

This invention provides an infrared touch screen, comprising: a touch detecting region; a plurality of edges containing at least a first edge and a second edge, wherein the first edge and the second edge are opposite to each other, there are infrared emitters and infrared receivers fixed on the first edge and there are infrared emitters and infrared receivers fixed on the second edge; and a phase managing mechanism configured to control the phase alternation of the infrared touch screen which has a plurality of phases containing at least a first phase and a second phase. With the structure change and phase managing mechanism application in this infrared touch screen, the light interference caused by varying ambient light can be reduced or eliminated effectively.

Infrared touch screen

A method, a device and a system for indicating terminal specific Demodulation Reference Signal (DMRS) are provided by the invention. The method includes that: a network side creates signal indicating information, and sends the created signal indicating information to a terminal (S); the terminal, according to Transmission Block (TB) indicating information of the TB and multiple bits control information which are included in the signal indicating information, confirms DMRS pattern information, antenna port information and a scrambling ID of a reference signal sequence (S) allocated for itself. The method, the device and the system provide by the invention, compared to the prior art, reduce signaling overhead which indicates the terminal specific DMRS, thus reducing resources waste of the system.

Method device and system for indicating user equipment-specific demodulation reference signal

A touch screen, a touch system and a method for positioning a touch object in a touch system are disclosed. The touch screen comprises an infrared pair tube array, wherein said infrared pair tube array is disposed on an edge of said touch screen. By introducing the infrared pair tube array, the touch screen of the present invention eliminates invalid touch areas in the existing touch screen and avoids false touch points in multipoint positioning.

Touch screen, touch system and method for positioning a touch object in touch system

This invention discloses an infrared light-emitting diode. The infrared light-emitting diode comprises: only one core for emitting infrared light; a packaging body which at least comprises a first surface that is convex and in front of the core and a second surface that is plane and on one side of the core; and leads connected to the core and extending to outside of the packaging body; wherein the infrared light emitted by the core forms at least two beams of infrared light in different directions after being emitted from the packaging body through the first surface and the second surface. With such infrared LED and the touch screen, touch system and interactive display based on the LED, at least two beams of infrared light in different directions can be emitted requiring only one core.

Infrared light-emitting diode and touch screen

A method, an apparatus and a system for sending Sounding Reference Signal (SRS) and a method, an apparatus and a system for receiving SRS are disclosed in the present invention, which are used to reduce the requirement for Time Frequency Code (TFC) resource during the process of sending the SRS, and meanwhile to ensure the precision of channel information estimation. The method includes the steps of: determining a first frequency band required by sending the SRS, and determining a second frequency band whose width is smaller than the width of the first frequency band; according to the mode that the average interval for sending the SRS on the first frequency band is larger than the average interval for sending the SRS on the second frequency band, respectively sending the SRS on the first frequency band and the second frequency band.

Growing community of inventors

Beijing, China

Jianjun Liu