Abstract: Techniques for control channel signaling on a shared communication medium are disclosed. An access point or an access terminal may communicate over a communication medium in accordance with a Time Division Duplex (TDD) frame structure defining a set of subframes that each span a plurality of time-domain symbol periods. The access point may transmit and the access terminal may receive control information via a short Physical Uplink Control Channel (sPUCCH) on one or more of the subframes in a portion of the subframe configured for uplink signaling. The sPUCCH may comprise one or more pilot symbols and one or more payload symbols that collectively occupy a subset of less than all of the symbol periods in each of the one or more subframes.

Abstract: Aspects of the present disclosure generally relate to techniques and apparatus that may help improve greatly reduce the implementation complexity of the ground station, and ground base-station user capacity by utilizing a subband beamformer for processing uplink signals received from aircraft at ground base stations, in an air-to-ground (ATG) system. The techniques presented herein may allow for dynamic subband allocation to different airborne devices with multi-user beamforming and subband combining.

Abstract: Described herein are devices and methods for preventing ventilator associated pneumonia following intubating a patient with an endotracheal tube (ETT). Secretions that accumulate in the trachea above the ETT cuff are wicked out of the patient.

Abstract: A power drive system of light-emitting diode (LED) strings includes an isolation transformer, a current-sharing capacitor, two rectifying units, and a current control integrated circuit (IC). The isolation transformer has a primary-side winding and a secondary-side winding with a dotted terminal and a non-dotted terminal. The current-sharing capacitor is connected to the dotted terminal at one terminal thereof. One rectifying units is connected to the other terminal of the current-sharing capacitor, and the other rectifying unit is connected to the non-dotted terminal of the secondary-side winding. Each rectifying unit is connected to one LED string. The current control IC is connected between common points of the rectifying units and corresponding anode terminals of the LED strings and corresponding cathode terminals of the LED strings.

Abstract: Optical signals are transmitted across a rotary junction using an active optical rotary coupler. A rotary optical joint assembly includes a rotatable optical coupler and an optical signal processing system. The rotatable optical coupler aligns two optical fibers for optical communication across a rotary optical junction. The optical signal processing system includes a local optical transceiver that receives the signals and compensates for at least a portion of signal loss or other signal imperfections incurred from transmitting the signal across the rotary optical junction. The local optical transceiver also processes the signals for longer distance transmission.

Abstract: A method and an apparatus for designing an image restoration filter and a method and an apparatus for restoring an image by using the image restoration filter are provided. A test image is captured by an imaging system to obtain image information of the test image. The image restoration filter is then calculated according to original image information of the test image and the image information obtained by the imaging system through a numerical method, such that the obtained image information after being processed by the image restoration filter has a better similarity to the original image information. Thereafter, an image captured by the imaging system is processed by using the image restoration filter as a kernel, so as to resolve the problems of image blur and distortion caused by the optical path and the imaging system.

Abstract: An operating method and a circuit for low density parity check (LDPC) decoders, in which original bit nodes are incorporated into check nodes for simultaneous operation. The bit node messages are generated according to the difference between the newly generated check messages and the previous check node messages. The bit node messages can be updated immediately, and the decoder throughput can be improved. The required memory of LDPC decoders can be effectively reduced, and the decoding speed can also be enhanced.

Abstract: A method for processing optical imaging data is provided. The method includes performing a phase error calibration procedure, performing a data acquisition procedure, and performing an imaging computation & analysis procedure. A reference clock signal and an A-scan signal are both received by a data acquisition unit during the phase error calibration procedure while only the A-scan signal is received by the data acquisition unit during the data acquisition procedure. A SS-OCT system for performing the above-mentioned method is provided also. Furthermore, a SS-OCT system having synchronization processing unit therein is provided.

Abstract: A holographic recoding medium is provided, having holographic pages. Each page has reference mark (RM) placement areas at fixed locations for placing RM patterns. The reference marks are used to calibrate data images of data areas each of which is enclosed by at least three RM regions. Hidden information of the medium is stored by an specific encoded pattern based on existence, types and arrangements of the RM marks.

Abstract: An image restoration method is disclosed. The method is used in an image restoration apparatus and configured to restore an image captured by an imaging system. The method includes capturing a scenery image by the imaging system and applying restoration processing to the scenery image using a plurality of restoration filters respectively corresponding to a plurality of depths, to generate a plurality of restored images respectively corresponding to the depths.

Abstract: A method and an apparatus for designing an image restoration filter and a method and an apparatus for restoring an image by using the image restoration filter are provided. A test image is captured by an imaging system to obtain image information of the test image. The image restoration filter is then calculated according to original image information of the test image and the image information obtained by the imaging system through a numerical method, such that the obtained image information after being processed by the image restoration filter has a better similarity to the original image information. Thereafter, an image captured by the imaging system is processed by using the image restoration filter as a kernel, so as to resolve the problems of image blur and distortion caused by the optical path and the imaging system.

Abstract: A method and apparatus for switching data in communication system which comprises of mainly a conversion circuit to receive source data possessing real coding dimension and covert it to converted data possessing tolerable coding dimension; judgment bit is set in the converted data to designate the data as source data or not. Later on, shift circuit is used to shift the converted data in certain amount so as to generate a shifted data; meanwhile, the lowest bit and highest bit of shifted data are used to start acquiring real coding dimension to be used respectively as a first data and a second data, or by changing the pattern of acquiring the first data, then the highest bit minus the real coding dimension bit as the starting bit of the first data, and acquiring the real coding dimension from the side of the lowest bit.

Abstract: A multi-mode multi-parallelism data exchange method and the device thereof are proposed to apply to a check node operator or a bit node operator. The proposed method comprises the steps of: duplicating part or all of an original shift data as a duplicated shift data; combining the original shift data and the duplicated shift data to form a data block; and using a data block as the unit to shift this data block so as to conveniently retrieve shift data from the shifted data block. With a maximum z factor circuit and duplication of part of data, specifications of different shift sizes can be supported. The functions of shifters of several sizes can therefore be accomplished with the minimum complexity.

Abstract: A method and an apparatus for detecting code of a holographic data page are provided. First, image information of at least one special pattern in the holographic data page is captured, and the captured image information is integrated into a characteristic symbol (CS) of the holographic data page. Then, the CS of the holographic data page is compared with a plurality of predetermined characteristic symbols (PCSs) to obtain a similarity between the CS and each of the PCSs. Thereafter, the PCS having the highest similarity to the CS is selected as the code information of the holographic data page.

Abstract: A device with spatially unrestricted force feedback is disclosed, which comprises: a base, a gyro assembly including a first actuator and a flywheel; the first actuator connecting and driving the flywheel by a first shaft, and a second actuator fixed on the base and connecting and exerting a torque to the gyro assembly by a second shaft; wherein the first shaft and second shaft are perpendicular to each other.

Abstract: A holographic recoding medium is provided, having holographic pages. Each page has reference mark (RM) placement areas at fixed locations for placing RM patterns. The reference marks are used to calibrate data images of data areas each of which is enclosed by at least three RM regions. Hidden information of the medium is stored by an specific encoded pattern based on existence, types and arrangements of the RM marks.

Abstract: A structure of object stacks for driver with hot plug function is provided, wherein the hot plug function is with serial ATA device, which can be supported by standard IDE driver. The structure comprises a bus device stack, at least one port device stack and at least one serial ATA device stack, which are connected to serial ATA devices at each of channels of the bus and each of channels within the bus respectively, wherein each of bus device stacks comprises an upper-level filter bus device object, and each of port device stacks comprises respectively a lower-level filter port device object and an upper-level filter port device object. Thus, the hot plug function can be supported according to the massage transmission interface and status monitoring for the bus by each of filter device objects.

Abstract: A multi-mode multi-parallelism data exchange method and the device thereof are proposed to apply to a check node operator or a bit node operator. The proposed method comprises the steps of: duplicating part or all of an original shift data as a duplicated shift data; combining the original shift data and the duplicated shift data to form a data block; and using a data block as the unit to shift this data block so as to conveniently retrieve shift data from the shifted data block. With a maximum z factor circuit and duplication of part of data, specifications of different shift sizes can be supported. The functions of shifters of several sizes can therefore be accomplished with the minimum complexity.

Abstract: An operating method applied to low density parity check (LDPC) decoders and the circuit thereof are proposed, in which original bit nodes are incorporated into check nodes for simultaneous operation. The bit node messages are generated according to the different between the newly generated check messages and the previously check node messages. The bit node messages can be updated immediately, and the decoder throughput can be improved. In the other way, the required memory of LDPC decoders can be effectively reduced, and the decoding speed can also be enhanced.

Abstract: A method and apparatus for switching data in communication system which comprises of mainly a conversion circuit to receive source data possessing real coding dimension and covert it to converted data possessing tolerable coding dimension; judgment bit is set in the converted data to designate the data as source data or not. Later on, shift circuit is used to shift the converted data in certain amount so as to generate a shifted data; meanwhile, the lowest bit and highest bit of shifted data are used to start acquiring real coding dimension to be used respectively as a first data and a second data, or by changing the pattern of acquiring the first data, then the highest bit minus the real coding dimension bit as the starting bit of the first data, and acquiring the real coding dimension from the side of the lowest bit.