A wireless communication device generates physical layer (PHY) protocol service data units (PSDUs), and, in response to determining that the PHY data unit is to be transmitted according to a HARQ process, generates HARQ coding units of a common length, each of the HARQ coding units including a respective set of one or more PSDUs, and individually encodes the HARQ coding units. The wireless communication device also generates a HARQ signal field to the included in a PHY preamble of the PHY data unit. The HARQ signal field includes i) a common information subfield to indicate one or more parameters that commonly apply to each of at least some of the one or more HARQ coding units and ii) a respective HARQ coding unit information subfield for each of the HARQ coding units to indicate one or more parameters that apply to only the corresponding HARQ coding unit.

A method, a device, and a non-transitory storage medium that stores instructions to store one or multiple instances of first data that indicate one or multiple types of forward error correction (FEC) coding schemes supported by an end device; generate a radio resource control connection request; select one of the one or multiple instances of first data during the generation of the radio resource control connection request; include the one of the one or multiple instances of first data in the radio resource control connection request in response to the selection; and transmit the radio resource control connection request to a wireless station of a wireless network in response to the inclusion.

A technique for assessing the reliability of bits received by a modulation symbol on a channel is provided. A providing circuit provides an input dataset including a plurality of input values. The input values correspond to different transmit hypotheses according to a modulation alphabet used for encoding the bits in the symbol. A computing circuit performs a first computing step and a second computing step. In the first computing step, a first intermediary dataset is computed by combining the input values of the input dataset according to a first combination scheme. In the second computing step, a second intermediary dataset is computed by combining the input values of the input dataset according to a second combination scheme. The second combination scheme is different from the first combination scheme. An assessing circuit assesses the reliability of the bits based on the first intermediary dataset and the second intermediary dataset.

An apparatus and method for generating a broadcast signal frame for signaling a time interleaving mode are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal; a power normalizer configured to perform power-normalizing for reducing the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing time interleaving after performing the power-normalizing; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling a time interleaving mode corresponding to the time interleaver for each of physical layer pipes (PLPs).

Disclosed are a method and apparatus for generating a short training field (STF) sequence that can be used in a wireless LAN system. The STF signal is included in a field used to improve AGC estimation of MIMO transmission. Some of the STF signals may be used for uplink transmission and may be used for uplink MU PPDU transmitted from a plurality of STAs. For example, the STF signal is used for an 80 MHz band or a 160 MHz band and may be generated based on a sequence having a preset repeated M sequence. The preset M sequence may represent a binary sequence of a length having 15 bits.

An information transmission apparatus, an information detection apparatus and a transmitter is provided where serial numbers of information transport blocks are determined according to information indicating branch selection, so as to transmit information on the branch selection by using the serial numbers of information transport blocks. Hence, no additional transmission path needs to be provided, and the information on the branch selection may be simply and conveniently transmitted and a probability of wrongly determining the information indicating branch selection may be reduced, thereby efficiently improving performance of the system.

A user equipment (UE) is described. The UE includes receiving circuitry configured to receive a radio resource control message including first information used for configuring a number of more than one code block groups (CBGs) in a transport block (TB). The receiving circuitry is also configured to receive the more than one CBGs, the more than one CBGs comprising first CBGs and second CBGs. The UE also includes processing circuitry configured to determine a number of code blocks (CBs) from the TB. A first number, a second number, a third number, and a fourth number are given based on the number of more than one CBGs and the number of CBs. The first number is a number of the first CBG(s). The second number is a number of CB(s) comprised of each of the first CBG(s). The third number is a number of the second CBG(s). The fourth number is a number of CB(s) comprised of each of the second CBG(s).

A data encoding method and apparatus and a data decoding method and apparatus in a passive optical network (PON) system include collecting N data blocks at a physical coding sublayer and generating valid data by combining the N data blocks, generating a payload, where the payload includes the valid data, performing FEC encoding on the payload to generate a check part, and generating a codeword structure. The synchronization header may be located at the head or the tail of the codeword structure.

Aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for determining transport block size (TBS) for joint transmissions involving multiple transmission reception points (TRPs).

A broadcast signal receiver is disclosed. A broadcast signal receiver according to an embodiment of the present invention comprises a synchronization & demodulation module performing signal detection and OFDM demodulation on a received broadcast signal; a frame parsing & deinterleaving module performing parsing and deinterleaving of a signal frame of the broadcast signal; a demapping & decoding module performing conversion of data of at least one Physical Layer Pipe (PLP) of the broadcast signal into the bit domain and FEC decoding of the converted PLP data; and an output processing module outputting a data stream by receiving the at least one PLP data.