摘要:
The present invention discloses a data transmission device and method thereof, and a data reception device and method thereof. The data transmission method in the present invention includes the following steps: encoding information data to obtain mother codes; generating transmission data including the mother codes and repetition codes from the mother codes, wherein parts of the mother codes with low reliability are selected to be repetition codes according to the modulation type of the mother codes; modulating the transmission data; transmitting the modulated data.
摘要:
The present invention relates to communication apparatus, communication method and base station. The communication apparatus has a plurality of antennas and is capable of using a Multi-Input Multi-Output (MIMO) technique, comprising: a MIMO mode determining unit configured to determine a MIMO mode to be adopted; a precoding matrix information determining unit configured to determine precoding matrixes according to the determined MIMO mode; a transmitting unit configured to transmit information related to the precoding matrix, wherein, in case the MIMO mode to be adopted is a single-cell multi-user MIMO mode, the precoding matrix information determining unit determines a precoding matrix to be used by a service base station in a cell where the communication apparatus locates to communicate with the communication apparatus, and determines a precoding matrix to be used by the service base station to communicate with other communication apparatus in the cell which is grouped with the communication apparatus.
摘要:
The present invention discloses a method and device for generating precoding matrix codebook and a method for a base station designating precoding matrix in multi-antenna communication system. The method for generating a precoding matrix codebook includes the following steps: the step of obtaining a selection probability: obtaining a selection probability allowed for each Rank by the multi-antenna communication system in the case of a certain Signal Noise Ratio (SNR); the step of determining a codebook size: determining a precoding matrix codebook size for a corresponding Rank according to the selection probability for each Rank in the case of the certain SNR; and the step of determining a codebook: determining a precoding matrix codebook for each Rank from the precoding matrix complete set according to the codebook size for each Rank in the case of the certain SNR.
摘要:
A method and an apparatus for conveying downlink scheduling signaling. The method comprises: generating a plurality of masking sequences corresponding to a plurality of predetermined downlink scheduling information including downlink physical resource assignment indicating information or power assignment information for a Demodulation Reference Signal (DMRS); and selecting a corresponding masking sequence from the plurality of masking sequences based on downlink scheduling information to be notified to a User Equipment (UE), and masking a Cyclic Redundancy Check (CRC) of a corresponding downlink control channel of the user equipment with the selected masking sequence for transmission.
摘要:
The communication apparatus includes: a channel estimating unit for acquiring a channel estimation value of a channel between the communication apparatus and a cell base station of a cell in which the communication apparatus is located; a transmitter transmitting the channel estimation value or information based on the channel estimation value to the cell base station; a receiver receiving coordinated multipoint (CoMP) message from the cell base station, the CoMP message indicates the CoMP transmission mode, the codebook or precoding matrix used by the cell base station, and the codebook or precoding matrix used by a coordinated base station that coordinates with the cell base station; a channel matrix forming unit for acquiring a channel matrix according to the CoMP message; and a decoder decoding received signals according to the channel matrix and the CoMP message.
摘要:
The invention relates to Method for Selecting Subchannel Mode and MIMO Communication System Using the Same. A method for self-adaptively selecting a code modulation sub-channel mode is suitably used in a MIMO communication system that comprises a base station and mobile terminals, wherein the method comprises the steps of: the mobile terminal estimating channel state information thereof, and determining a sub-channel structure most suitable for data transmission thereto, based on the channel state information; the mobile terminal feeding back information on the determined sub-channel structure most suitable for data transmission thereto to the base station; and the base station determining a sub-channel structure used for a down link, based on the information on the sub-channel structure fed back by the mobile terminal. According to the present invention, the subchannel structure in the communication system can be self-adaptively changed according to the actual communication environment, so as to improve the entire communication quality and efficiency.
摘要:
A web development method for a web development system includes, in a running state of the web development system, generating or modifying script code used to perform a predetermined function; parsing, by a script parser, the generated script code or the modified script code to correspondingly generate an object type which performs a new function, or to modify the object type which performs an existing function; and generating a new function object or modifying the existing function object, by an object manager, according to the generated object type which performs the new function or the modified object type which performs the existing function, and organizing the invoking relationships between the new function object and other objects, or, invoking relationships between the modified function object and other objects, so as to generate or modify the predetermined function when the web development system is operating.
摘要:
Disclosed herein are technologies for a generic annotation seeker to generate an index of class annotation, mapping classes with annotations during build time. Files may be dynamically registered and scanned by a registration seeker for revised and updated annotation. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
摘要:
A choke module (100) for connecting with a mother board includes a housing (1), a magnetic unit (2) and a number of terminals (3). The magnetic unit includes a paddle board (21) attached to the housing and having a number of conductive pads 9212) and conductive sections (211), a number of SMDs (Surface Mount Devices 22) surface mounted on the paddle board, and a number of magnetic components (23) each having a magnetic core (231) stacked on the corresponding SMD along a vertical direction and a plurality of wires (232) winding around the magnetic core and soldered on the conductive pads. The number terminals are electrically connected with the conductive sections and secured to the housing for connecting with the mother board.