摘要:
The present invention discloses a data transmission method and apparatus. The method comprises: segmenting data to be transmitted into information file segments with a length of Tb bits; performing forward error correction (FEC) coding for Tb information bit sequences composed of bits in same positions in a plurality of continuous information file segments to generate Tb check bit sequences, putting each bit of the check bit sequences in the same position in the check file segments as the corresponding information bit sequences; and transmitting each of the information file segments and check file segments according to their order; the number of bits contained in the information bit sequences being less than or equal to the maximum length of Kmax bits of the FEC-coded information bit sequences.
摘要:
A method for traffic management and resource allocation on a shared access network including estimating a bandwidth capacity of a gateway, determining a demand rate of an IP gateway, allocating bandwidth to the IP gateway based on the demand rate, traffic priority, or traffic weighting, allocating bandwidth to the IP gateway in advance of demand when excess bandwidth is available, scheduling traffic at the IP gateway based on traffic priority, service plan of a VSAT, or physical layer properties of the VSAT, performing priority queue servicing of traffic at a gateway using a real time traffic priority queue, a non-real time traffic priority queue, two or more modulation and coding queue groups, and a code block queue.
摘要:
A decoding method for low density generator matrix codes is disclosed, which decodes a bit information sequence that is transmitted after encoding with LDGC, the method comprises: S1: filling L−K known bits in a received code word sequence R and deleting code word symbols erased by a channel in R, and getting Re; S2: deleting rows corresponding to the code word symbols erased by a channel from a transposed matrix Gldgct of an LDGC generator matrix, and getting Ge; S3: obtaining It according to relation Ge×It=Re; S4: obtaining st according to relation Gldgct(0:L−1,0:L−1)×It=st, and getting an original information sequence of K bits by deleting the filled L−K known bits from st. The present disclosure can significantly reduce the storage overhead of a decoder, accelerate the decoding speed, and allow LDGC to be more smartly used in high speed communication systems.
摘要:
A decoupler assembly with an input hub, an output member, and a one-way clutch. In one form, the decoupler assembly includes an annular bearing mount with a needle bearing disposed between the bearing mount and the input hub to support the output member for rotation on the input hub. In another form the decoupler assembly further comprises a torsional vibration damper that is received within an internal cavity that is bounded on opposite axial ends by the output member and a cover that is coupled to the output member.
摘要:
Disclosed herein are novel mixtures of near terminal-branched compounds and derivatives thereof. Further disclosed are methods of making these mixtures, and uses of these mixtures in cleaning compositions (e.g., dishcare, laundry, hard surface cleaners,) and/or personal care compositions (e.g., skin cleansers, shampoo, hair conditioners).
摘要:
The disclosure relates to an electronic circuit for attenuating harmonics in a power amplifier. The circuit comprises: a printed circuit board (PCB); a first electrical track in the PCB providing a connection from a high band power input terminal of the amplifier to a battery terminal; a first capacitor connected to the first track, the high band power input terminal and a ground reference in the PCB; a first high filter choke connected to the first track and to the terminal; a second electrical track connected to a low band power input terminal of the amplifier; a circuit implemented on the PCB and connected to an output terminal of the amplifier for an output signal from the amplifier, comprising a first filter and a low pass filter, the first filter connected to a 0 ohm resistor which is connected to the low pass filter.
摘要:
The present invention discloses a method for Multiple Input Multiple Output (MIMO) channel information feedback, and the method includes: a terminal selecting part of column vectors for MIMO system feedback from a codebook matrix W corresponding to a Precoding Matrix Indicator (PMI) and marking the selected part of column vectors as Wpart; the terminal determining information O which represents high-precision vector quantification information of MIMO along with the part of column vectors Wpart according to a common representation relationship F, and feeding back the information O to a base station. The present invention also discloses a terminal and a base station which support MIMO. The present invention achieves high-precision and low-overhead channel information feedback and can well support multiple vector feedback needed by high rank (more layer multiplexing) MIMO transmission and high-precision feedback needed by low rank MIMO transmission simultaneously.
摘要:
A semiconductor structure is provided. The semiconductor structure comprises: a substrate; a gate dielectric layer formed on the substrate; a metal gate electrode layer formed on the gate dielectric layer; and at least one metal-containing adjusting layer for adjusting a work function of the semiconductor structure, in which an interfacial layer is formed between the substrate and the gate dielectric layer, and an energy of bond between a metal atom in the metal-containing adjusting layer and an oxygen atom is larger than that between an atom of materials forming the gate dielectric layer or the interfacial layer and an oxygen atom. Further, a method for forming the semiconductor structure is also provided.
摘要:
Provided are methods and systems for determining functional relationships between a cosmetic agent and a skin tissue condition of interest. Also provided are methods and systems for identifying cosmetic agents that affect a skin aging tissue condition, as well as the use of agents identified by such methods and systems for the preparation of cosmetic compositions, personal care products, or both.
摘要:
A complementary tunneling field effect transistor and a method for forming the same are provided. The complementary tunneling field effect transistor comprises: a substrate; an insulating layer, formed on the substrate; a first semiconductor layer, formed on the insulating layer and comprising first and second doped regions; a first type TFET vertical structure formed on a first part of the first doped region and a second type TFET vertical structure formed on a first part of the second doped region, in which a second part of the first doped region is connected with a second part of the second doped region and a connecting portion between the second part of the first doped region and the second part of the second doped region is used as a drain output; and a U-shaped gate structure, formed between the first type TFET vertical structure and the second type TFET vertical structure.