摘要:
A host includes a controller configured to receive service information (SI) and retrieve defined channel map (DCM) information and virtual channel map (VCM) information from the SI information. The controller further configured to resolve inconsistencies between the DCM information and the VCM information, and create a resulting channel map that reflects the resolution of the inconsistencies between the DCM information and the VCM information.
摘要:
Disclosed herein is an optical transmitter having an analog/digital mixed-mode temperature compensation function. The optical transmitter, when detecting the optical output power of a laser diode, which outputs logic levels “1” and “0” as optical signals, through a monitoring photodiode, and controlling the bias current of a laser drive circuit to maintain the logic levels “1” and “0” at constant values, includes programs for controlling the bias current and modulation current of the laser drive circuit based on an variation in temperature, and is configured such that a temperature compensation circuit includes a digital control unit for controlling the bias current and modulation current of the laser drive circuit using the programs, so that temperature compensation operation can be adjusted only by the modification of the programs of the distal control unit.
摘要:
A method of transmitting a data packet based on a transport format combination set (TFCS) using a hybrid automatic repeat request (HARQ) is disclosed. In the method, a user equipment (UE) receives a TFCS from a base station (BS) to select a transport format combination (TFC) for retransmitting a data packet and selects from the TFCS a TFC which corresponds to a maximum transmission power by which the data packet is retransmitted. Thereafter, the UE retransmits the data packet using the TFC of an initial transmission and a transmission power that corresponds to the TFC with the maximum transmission power of the TFCS.
摘要:
A method of encoding and transmitting at least one short length data in a wireless communication system is disclosed. More specifically, a user equipment (UE) attaches at least one error detection code to the at least one short length data. Thereafter, the UE encodes for error correction the short length data and the attached error detection code using at least one block encoder. Here the short length data and the attached error detection code are independently encoded. Lastly, the UE transmits the encoded short length data and the encoded error detection code.
摘要:
A method of controlling uplink transmission of a user equipment in a soft handover mode in a wireless communication system comprises communicating with a first network and a second network, at a first transmission mode comprising a first transmission power level and a first data rate. The method also comprises receiving a first change command from the second network to change the first transmission mode to a second transmission mode, wherein the second transmission mode comprises a second transmission power level and a second data rate. The method also comprises entering the second transmission mode. The method also comprises maintaining the second transmission mode for a predetermined time period regardless of a second change command from the first network to increase at least one of transmission power level and data rate of the user equipment.
摘要:
A packet data transmitting method and mobile communication system using the same enables transmission of common ACK/NACK information from each sector of a base station to a user entity in softer handover. The method includes receiving via at least one of the plurality of sectors a data packet from the mobile terminal, the data packet being correspondingly received for each of the at least one of the plurality of sectors; combining the correspondingly received data packets, to obtain a signal having a highest signal-to-noise ratio; decoding the value obtained by the combining; determining a transmission status of the data packet according to the decoding; and transmitting to the mobile terminal a common ACK/NACK signal including one of a common ACK signal and a common NACK signal according to the determining, the common ACK/NACK signal being transmitted via each of the at least one sector.
摘要:
An LCD device and a method for manufacturing the same is disclosed in which the manufacturing process is simplified by etching an overcoat layer and a lower insulating layer at the same time. Disclosed is a method for manufacturing the LCD device that includes forming a thin film transistor (TFT) on an active region of a substrate, forming a gate pad region and data pad region, and forming a passivation layer on the entire surface of the substrate. The manufacturing method further includes forming an overcoat layer and selectively etching the overcoat layer. Contact holes for the pixel electrode, the gate pad, and the data pad are formed by selectively etching the overcoat layer, the passivation layer, and the gate insulating layer though one process.
摘要:
The present invention relates to an amphiphilic block copolymer of a hydrophilic block and a hydrophobic block with a terminal hydroxyl group wherein the terminal hydroxyl group of the hydrophobic bock is substituted with a tocopherol or cholesterol group. It also relates to polymeric compositions capable of forming stable micelles in an aqueous solution, comprising the amphiphilic block copolymer and a polylactic acid derivative wherein one or more ends of the polylactic acid are covalently bound to at least one carboxyl group.
摘要:
The present invention relates to a media access controller, and more particularly, to a media access controller which can adjust operational parameters according to a setting environment of a packet transmission system by re-setting the operational parameters of the media access controller by an external source. A media access controller (MAC) according to an aspect of the present invention comprises: a carrier analyzer, which generates a timeslot using a carrier sense signal input from a modem of a station and outputs a type and a timeslot of a received frame; a collision resolution handler, which grants medium access by monitoring for collisions between stations and between itself and another station using a collision resolution algorithm; a random number generator, which generates a random number (RndNum) based on a MAC address value when a collision between itself and another station occurs; a transmission on generator, which receives a transmission ready (TxReady) signal and a timeslot to be transmitted from a frame controller of the system and generates a data transmission on (TxDataOn) signal and a transmission frame type (TxSigType) signal; and a parameter setting unit, which adjusts operational parameters of the MAC to be suitable for a setting environment of the station.
摘要:
The present invention provides a signal processing in applying HARQ to an MIMO system, by which error-detecting information enabling to decide whether a received signal is erroneous is appended for transmission. The present invention appends CRC to the data block transported from a higher layer so that HARQ can be efficiently applied to the MIMO system. The present invention segments the CRC-appended data block and then transmits the segmented data blocks via a plurality of antennas. Data streams generated from the segmented data blocks are independent from each other in coding scheme and modulation.