| Patent application number | Description | Published |
|---|
| 20080313253 | OPERATION CIRCUIT FOR MODIFIED EUCLIDEAN ALGORITHM IN HIGH-SPEED REED-SOLOMON DECODER AND METHOD OF IMPLEMENTING THE MODIFIED EUCLIDEAN ALGORITHM - Provided are an operation circuit for a modified Euclidean algorithm in a high-speed Reed-Solomon (RS) decoder and a method of implementing the modified Euclidean algorithm. Since a finite state machine (FSM) for generating a stop signal and an FSM for generating a control signal that controls a swap operation, a shift operation, and a polynomial operation for each basic cell of the modified Euclidean algorithm are used, an area-efficient RS decoder can be realized without using a conventional degree computation unit for comparing and calculating degrees. | 12-18-2008 |
| 20090046745 | APPARATUS FOR TRANSMITTING AND RECEIVING DATA WITH VARIOUS DATA CAPACITIES AT HIGH SPEED - There is provided an apparatus for transmitting and receiving data with various data capacity at high speed. The apparatus for transmitting and receiving data includes a client signal interface block converting client signals being received through media into a high-capacity electrical signal and selectively interfacing the converted high-capacity electrical signal through high-speed multi-channel; a framer receiving the selectively interfaced electrical signal from the client signal interface block and multiplexing and mapping the received electrical signal into 40 G multi-channel frame signals; and a SERDES & transceiver receiving the 40 G multi-channel frame signals from the framer, multiplexing the received multi-channel frame signals with the 40 G serial signals and transmitting the multiplexed 40 G serial signals. The apparatus for transmitting and receiving data may be useful to decrease its space and stably receive client signals by selectively interfacing various client signals with replacing the client signal interface blocks only, depending on the client signals to be supplied to the same transmitting/receiving apparatus. | 02-19-2009 |
| 20090129455 | APPARATUS FOR AND METHOD OF AUTOMATICALLY CONTROLLING SKEW BETWEEN TRANSMITTED DATA - Provided is an apparatus for and method of automatically controlling skew between transmitted data, which is caused when a common low-speed field-programmable gate array (FPGA) transmits signals having a transmission rate in the range of tens of Gbps to an optical transponder. The apparatus and method can transmit data with a transmission rate of several Gbps irrespective of the type of the FPGA. | 05-21-2009 |
| 20100229074 | METHOD AND APPARATUS FOR TRANSMITTING DATA IN OPTICAL TRANSPORT NETWORK - A method of transmitting data in an optical transport network is provided. The method comprises generating an optical transmission unit frame including an in-band area including a first area to which information data is allocated and a second area to which the information data is not allocated and an out-band area including parity information and transmitting the data through the optical transmission unit frame. | 09-09-2010 |
| 20100299578 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING DATA - A transmitting apparatus in a transport network performs forward error correcting encoding for each virtual lane set as a multiple of the transmission channels, to generate virtual frames including independent parity bytes for each virtual lane. The generated virtual frames are transmitted through at least one transmission channel. In addition, a receiving apparatus detects the virtual frames for each virtual lane from a signal received through a transmission channel by using a frame assignment sequence, and performs forward error correcting decoding by using the parity bytes included in the virtual frames detected for each virtual lane. | 11-25-2010 |
| Patent application number | Description | Published |
|---|
| 20100142947 | APPARATUS AND METHOD FOR PSEUDO-INVERSE MULTIPLEXING/DE-MULTIPLEXING TRANSPORTING - A pseudo-inverse multiplexing/de-multiplexing apparatus and method are disclosed. The pseudo-inverse multiplexing apparatus maps a client signal to an OPUk-Xpv signal. The OPUk-Xpv signal has a payload area that can be segmented into a plurality of tributary slots and an overhead area into which frame configuration information related to the tributary slots is inserted. The pseudo-inverse multiplexing apparatus decides the number of tributary slots to be used to map client signals, according to a bit rate or bit tolerance of the client signals, and maps the client signals using the determined number of tributary slots. Accordingly, it is possible to map or frame a variety of client signals. | 06-10-2010 |
| 20100158518 | MULTI-LANE SIGNAL TRANSMITTING AND RECEIVING APPARATUSES - An optical communication system is provided. In particular, multi-lane signal transmitting and receiving apparatuses capable of transmitting and receiving a multi-lane signal using the same inverse multiplexing scheme even when optic modules having several transport lane numbers are selected according to a purpose of use are provided. Each OTUk capable of containing a client signal in a transport hierarchy signal (OTUk-Xv) is defined as a virtual container, and Y virtual lanes are allocated to respective virtual containers X, in which identification information for the allocated virtual lanes is inserted into an overhead area and a transport hierarchy multi-lane signal is transmitted in the form of OTUk-XvYd. A receiving stage extracts the identification information inserted into the overhead area of the transport hierarchy signal in the form of OTUk-XvYd, compensates for a skew of the received signals, and aligns virtual lane signals for each virtual container to restore an OTUk-Xv signal that is an original transport hierarchy signal. | 06-24-2010 |
| 20100183301 | APPARATUS SUITABLE FOR TRANSPORTING CLIENT SIGNALS, AND APPARATUS AND METHOD SUITABLE FOR MAPPING OR DEMAPPING TRIBUTARY SLOTS FOR TRANSPORT OF CLIENT SIGNALS - Disclosed area method and apparatus of transporting client signals and a method and apparatus of mapping or demapping tributary slots for transport of client signals. The client signal transporting apparatus defines a bit rate of an optical transport signal, and bit-transparently maps and multiplexes client signals that operate at the defined bit rate. Also, the client signal transporting apparatus adjusts a bandwidth by extending a mapping area to increase a data capacity to be allocated to tributary slots. | 07-22-2010 |
