36 results about "Remote access unit" patented technology

A thermostat control system for monitoring and controlling environmental characteristics of a building includes a base station unit and a remote access unit continuously interfacing through instant wireless private direct connectivity. The system also includes a plurality of sensors that measure the environmental characteristics and provide the thermostat unit with the measurements.

A remote access unit (RAU) apparatus, coupled to a central station (CS) of an RoF network through at least one optical fiber, and which RAU apparatus includes at least one antenna, includes: first and second antenna ports coupled to the at least one antenna; first and second optical fiber ports coupled to the at least one optical fiber; a first coupler for decoupling a first downstream signal of a first duplexing method and a second downstream signal of a second duplexing method, which are input through the first optical fiber port; a circulator for outputting the first downstream signal input from the first coupler to the first antenna port and outputting a first upstream signal of the first duplexing method input from the first antenna port to the second optical fiber port; and a second coupler for outputting the second downstream signal input from the first coupler to the second antenna port and outputting a second upstream signal of the second duplexing method input from the second antenna port to the second optical fiber port.

Disclosed is a radio-over-fiber (ROF) system for supporting various services, the system comprising: a central access platform (CAP) for providing time division duplexing (TDD), frequency division duplexing (FDD), and broadcasting services, converting a TDD downward signal and FDD / broadcasting downward signals into optical signals, respectively, transmitting the converted optical signals to a remote access unit (RAU), converting a TDD upward signal and an FDD upward signal, which have been transmitted as optical signals from the RAU, into electric signals, respectively, and using an optical circulator in order to separate upward and downward signals from each other; and the RAU for converting the TDD downward signal and FDD / broadcasting downward signals transmitted from the CAP into electric signals, respectively, converting the TDD upward signal and FDD upward signal to be transmitted to the CAP into optical signals, respectively, and using an optical circulator in order to separate upward and downward signals from each other, wherein the RAU includes a plurality of signal filtering / separating / combining units, which wirelessly emit the TDD downward signal and FDD / broadcasting downward signals, having been converted into electric signals, through an antenna, and which separate wirelessly-received TDD upward signal and FDD upward signal from each other.

A Laryngoscope system for controlling and monitoring characteristics associated with airway management and a remote access unit continuously interfacing through instant wireless private direct connectivity to a laryngoscope. The system also includes a plurality of sensors and controllers that measure and control characteristics and provide the remote unit with measurements and control results. In other aspects, the laryngoscope and display unit are sensitive to movement and may power on and off with motion or absence of motion. In another aspect, the laryngoscope is capable of wirelessly communicating with the screen for command and control of the Laryngoscope and laryngoscope system.

A radio over fiber (ROF) link apparatus capable of a stable TDD wireless service for a time division duplexing (TDD) baseband signal includes a central access platform (CAP) for receiving various kinds of data including the TDD baseband signal from upper layers, multiplexing the data, electro-optically converting the multiplexed data, and transmitting the converted data as downstream data through an optical fiber, and opto-electrically converting upstream data received through the optical fiber, demultiplexing the converted upstream data, and transmitting the demultiplexed upstream data to the respective upper layers, and a remote access unit (RAU) for receiving the downstream data through the optical fiber, opto-electrically converting the received downstream data to the multiplexed data, demultiplexing the multiplexed data, performing a wireless access process of the demultiplexed data, and transmitting the wireless access processed data to a wireless local area network (WLAN) service terminal through an antenna.

Disclosed is a remote access unit for transmitting and receiving upstream and downstream data in which channels having different transmission scheme are multiplexed, and an optical network for bi-directional wireless communication using same. The remote access unit includes an antenna for receiving the downstream data and wirelessly transmitting same and for receiving the upstream data and providing same to the remote access unit, a switch for outputting downstream time division channels of the downstream data to the antenna and for receiving upstream time division channels of the upstream data from the antenna, and a controller for controlling the switch in order to prevent the upstream and downstream time division channels from overlapping.

The invention relates to a user scheduling method based on dynamic clustering of a densely distributed wireless network. Firstly, a central processing unit collects long-time channel information of users, each user utilizes the long-time channel information to select an RAU (Remote Access Unit) with the minimum large scale fading, then a ratio of the large scale fading of the users among the RAUs is calculated, the RAUs are merged to form a plurality of cooperation clusters, and each cooperation cluster includes a plurality of adjacent RAUs; and then short-time channel information is utilized, and each RAU cooperation cluster schedules a user set in parallel according to a sum data rate maximum criterion. According to the user scheduling method disclosed by the invention, clustering is carried out by using the users as the center; the user scheduling method can be suitable for variations of user mobility in a real system; spectrum utilization efficiency of the system is improved; and moreover, the user scheduling method has the advantages of low algorithm complexity and low cost of the required channel information.

A method for managing AI components installed in containers is provided. The container-based component management method creates a container, installs at least one selected from a plurality of components in the container, and manages the components installed in the container. Accordingly, the execution priorities of the AI components installed in the containers can be managed and operated, such that degradation of system performance and frequent error occurrence can be prevented.

Disclosed are a closely distributed wireless communication method and a system therefor. Each cell performing wireless communication closely arranges distributed remote access units (RAUs), and users in the same cell use different time-frequency resources to send detection signals, and a centre processing unit of each cell obtains statistical channel information about the users within the cell and statistical channel information about edge users of adjacent cells according to the received detection signals; each cell determines the edge region users of the cell and an RAU set thereof, and exchanges with the statistical channel information about the edge region users of the adjacent cells; and by using the obtained statistical channel information, the adjacent cells schedule the edge region users and RAUs thereof first, and then schedule the users within respective cells and the RAUs thereof, set an unscheduled RAU into a sleep mode, and finally each user implements the wireless communication of the same time-frequency resource over a selected RAU set. The present invention has the advantages of low complexity, high throughput and low required energy consumption in processing a system signal.

The invention discloses a method for testing tested software of a LINUX end on the basis of a test tool of a WINDOWS end. The method includes the steps of firstly, configuring a file sharing unit anda remote access unit on the LINUX end, then modifying a configuration file on the LINUX end so that a computer of the WINDOWS end can run instructions of a computer of the LINUX end, and mapping a network disk through a resource manager on the WINDOWS end so that the test tool of the WINDOWS end can access to the tested software and a test result file of the LINUX end through hard disk characters. The method has the advantages of simple configuration and no influence on the basic flow of the test.