Abstract: An accelerometer has E-shaped resilient beams to isolate stress and reduce deformation. A top cap silicon wafer and a bottom cap silicon wafer are both coupled with a measurement mass to form a capacitor. The measurement mass has a mass, range-of-motion stops, and resilient beams located within a support frame. The range-of-motion stops are coupled to the support frame by connection beams, and the mass is coupled with the range-of-motion stops by groups of E-shaped resilient beams. The ends of each resilient beam are connected to the range-of-motion stops, and the middle of each resilient beam is connected to the mass.

Abstract: An accelerometer includes a measurement mass, a top cap silicon wafer and a bottom cap silicon wafer, both of which are coupled with the measurement mass. The measurement mass includes a support frame, a mass, and a plurality of resilient beams. The mass and the resilient beams are located within the support frame. The mass and the support frame are connected by several sets of the resilient beams, and each set comprises two resilient folding beams. The resilient folding beams are symmetrically provided with respect to the midline of the mass. A connection beam is provided in between each set of the resilient folding beams to connect the resilient folding beams together. Silicon wafers with electrodes are bonded on the top and bottom surfaces of the measurement mass, and form a capacitor with the measurement mass. The accelerometer has a large mode isolation ratio and is symmetrical in high order vibrational modes, which further decreases the noise of a MEMS chip.

Abstract: Embodiments of the present invention include devices, systems and methods for prevention of dropped calls. For example, a method for wireless communication is described. A wireless communication device begins an acquisition. A scan of absolute radio frequency channel numbers for supported bands is performed using a wideband receiver. The absolute radio frequency channel numbers that include a frequency correction channel are identified. A synchronization channel is decoded using data corresponding to the identified one or more frequency correction channels. Other aspects, embodiments, and features are also claimed and described.

Abstract: A method and apparatus for implementing dimming are disclosed. The method includes: at an MAC layer, dividing an MSDU into two or more sub-MSDUs with a same length; encapsulating each sub-MSDU obtained after dividing into a separate MPDU, and generating a compensation frame for each MPDU; and aggregating the MPDUs and the compensation frames with the same addresses into a PSDU part of a PPDU and transmitting a physical frame.

Abstract: A cellular communications system in which transmission of control signals for plural different remote stations is so displaced in time that the transmission of control signals for one remote station does not interfere with the transmission of control signals for another remote station, the displacement being sufficient to prevent contemporaneous reception of control signals by the remote station intended for the other remote station.

Abstract: Disclosed are a dimming method, a dimming device and a computer storage medium. The method comprises: segmenting, on a Media Access Control (MAC) layer, a MAC Service Data Unit (MSDU) into multiple sub-MSDUs of the same length; encapsulating the sub-MSDUs after the segmentation into separate MAC Protocol Data Units (MPDUs), and separately generating a Compensation Frame (CF) for each MPDU according to a target brightness value of a light source; and aggregating the MPDUs and the CFs into a Physical Layer Service Data Unit (PSDU) of a Physical Layer Protocol Data Unit (PPDU) and transmitting the PPDU.

Abstract: Provided are a light dimming method for alleviating inter-frame flicker and dimming device. The light dimming method includes that: an average luminance value Avgdata when a sender sends physical frames is calculated; whether inter-frame flicker is generated when the sender sends data or not is judged according to a ratio of Avgdata to an average luminance value Avglight in an illumination state; and if the inter-frame flicker is generated when the sender sends the data, the sender inserts a dimming frame in an idle pattern, wherein the dimming frame is used for compensating for a luminance difference between Avgdata and Avglight. A value of a duty cycle of the physical frame sent to regulate the luminance of the light source in the idle pattern of the sender is within a certain range, and is not required to be accurately equal to a duty cycle of a line coding method adopted for a physical layer.

Abstract: An accelerometer, comprises, a measurement mass, a top cap silicon wafer and a bottom cap silicon wafer, which both are coupled with the said measurement mass; the measurement mass comprises a support frame, a mass, and a plurality of resilient beams; the mass and the resilient beams are located within the support frame; the mass and the support frame are connected by several sets of the resilient beams, and each set comprises two resilient folding beams; the resilient folding beams are symmetrically provided with respect to the midline of the mass; a connection beam is provided in between each set of the resilient folding beams to connect the resilient folding beams together. Silicon wafers with electrodes are bonded on the top and bottom surfaces of the measurement mass; and forms a capacitor with the measurement mass. The accelerometer in the present invention has a large mode isolation ratio, and it is symmetrical in high order vibrational modes , which further decreases the noise of the MEMS chip.

Abstract: The present patent application improves DARP by allowing multiple users on one time slot (MUROS). It comprises means and instructions for sharing signals on a single channel, comprising setting up a new connection, allocating a new time slot if there is an unused time slot on a channel frequency, selecting an used time slot for the new connection to share with an existing connection if there is not an unused time slot on the channel frequency, and selecting a different training sequence code for the new connection if the used time slot on the channel frequency has been selected for the new connection to share with an existing connection.

Abstract: A receiving device for a multi-input multi-output (MIMO) visible light communication system includes a collimation unit, a metal thin film, a transparent substrate and a receiving unit. The receiving device performs receiving by using optical components, and uses the metal thin film as a main receiving component, which plays a role of filtering and enhanced transmission, and equals to implementing a function of filtering and signal amplification by using electronic components, but overcomes the nonlinear effect of the electronic components, thereby solving the problem of waveform distortion in receiving.

Abstract: The disclosure discloses a method, device and system for managing a communication link, and a computer storage medium. The method includes that: according to the path quality of different transmitting directions of a received signal and the path quality corresponding to a receiving direction of the signal, a sink device determines transmitting and receiving directions of a communication link (101); and the sink device establishes the communication link according to the determined receiving direction (102).

Abstract: A method and a device for processing wireless body area network data, the method is applied to a processing device for wireless body area network data and comprises; receiving or generating sampled value reference ranges; receiving sampled data from an acquisition device of wireless body area network data, and judging a sampled value reference range to which the sampled data belong according to a sampled value of the sampled data; and processing the sampled data according to the sampled value reference range to which the sampled data belong. Through the embodiments of the present document, degrees of importance of the sampled data can be automatically differentiated and the data processing efficiency is improved under the situation of limited resources.

Abstract: A MEMS anti-phase vibratory gyroscope includes two measurement masses with a top cap and a bottom cap each coupled with a respective measurement mass. The measurement masses are oppositely coupled with each other in the vertical direction. Each measurement mass includes an outer frame, an inner frame located within the outer frame, and a mass located within the inner frame. The two measurement masses are coupled with each other through the outer frame. The inner frame is coupled with the outer frame by a plurality of first elastic beams. The mass is coupled with the inner frame by a plurality of second elastic beams. A comb coupling structure is provided along opposite sides of the outer frame and the inner frame. The two masses vibrate toward the opposite direction, and the comb coupling structure measures the angular velocity of rotation.

Abstract: Disclosed is a millimeter-wave communication spatial multiplexing transmission method, and the method includes: a millimeter-wave communication device initiating high-speed data communication with a target device, sending a beamforming request to the target device via a low frequency band communication module, if the millimeter-wave communication device has received an acknowledgement response sent by the target device via the low-frequency band communication module and learns that a non-target device is performing the high-speed data communication in a same frequency band with the high-speed data communication initiated by the millimeter-wave communication device, the millimeter-wave communication device configuring transmitting power which is less than default power to perform beam scanning.

Abstract: A visible light communication MIMO system and a method for realizing data transceiving therefor are disclosed. The method includes: converting data of a sending end into two-dimensional code information containing locating information through light intensity modulation and compilation to send; a receiving end scanning received two-dimensional code information, and rectifying the received two-dimensional code information according to the locating information; and demodulating the rectified two-dimensional code information to obtain data.

Abstract: Disclosed are a method for establishing a millimeter wave wireless communication link and a terminal device, wherein the method includes: a terminal source sending an omnibearing request to send (ORTS) to a terminal sink, location information of the terminal source relative to a mediation device obtained by the terminal source performing signaling interaction with the mediation device being carried in the ORTS; after sending the ORTS, if a directional clear to send sent by the terminal sink according the location information is received, the terminal source determining a direction of the terminal sink according to an angle of arrival of the directional clear to send, establishing a line of sight link with the terminal sink; if an omnibearing clear to send sent by the terminal sink is only received, the terminal source establishing a relay link with the terminal sink by using the mediation device as a relay node.

Abstract: Disclosed are a method and apparatus for implementing a wireless body area network (WBAN). The present invention relates to multiple input multiple output MIMO technologies; and more particularly to a method and apparatus for implementing a wireless body area network. The method includes: performing a spread spectrum on channels in a WBAN system; performing a connection interference cancellation on spread-spectrum signals in accordance with an intensity. The technical solution provided in the embodiment of the present invention is applicable to a WBAN to realize a WBAN with an optimized signal propagation effect.

Abstract: Disclosed are systems and methods to affect the activity of a base station transmitter (BTS) in a cellular communications network based, at least in part, on operating conditions. In one particular example implementation, a BTS in a cellular communication network may be placed in a reduced power consumption state in response to events or conditions indicative of reduced demand for service in the cell serviced by the BTS.

Abstract: Disclosed are a multi-band wireless communication method, a coordinating device and a network, wherein the method is applied to a coordinating device that supports multi-band communication, wherein the coordinating device manages a node resource information table, and the node resource information table includes terminal information of a subnet where the coordinating device is located and other subnets; the method includes: the coordinating device receiving a link establishment request; the coordinating device responding to the link establishment request according to the node resource information table, instructing transmitting and receiving ends to establish a point-to-point connection or coordinating to establish relay links between the transmitting and receiving ends; and receiving and forwarding received data packets when the coordinating device is a relay node.

Abstract: A method and apparatus for implementing dimming are disclosed. The method includes: at an MAC layer, dividing an MSDU into two or more sub-MSDUs with a same length; encapsulating each sub-MSDU obtained after dividing into a separate MPDU, and generating a compensation frame for each MPDU; and aggregating the MPDUs and the compensation frames with the same addresses into a PSDU part of a PPDU and transmitting a physical frame.