Samsung Electronics Co., Ltd.

Joo-Hyun Do

In-hyoung Kim

Min-goo Kim

Yang-soo Kwon

Dae-young Kim

Jeong-hun Kim

Young-ik Cho

Hae-Chul Lee

Min-Goo Kim

Hyung-Jin Choi

Joo-han Kim

Eui-chang Jung

In-Hyoung Kim

Su-ha Yoon

Jung-hwa Bae

Sung-Jun Kim

Su-Young Park

Sung-Yoon Cho

Jung-su Han

Han-Gyu Ryu

Jae-Bum Cho

Kil-Hyen Ryu

Jae-Ki Ha

Hong-min Choi

Su-young Park

A method of processing a signal received over a wireless link may utilize sharing of Modulation and Coding Scheme (MCS) and Transport Block Size (TBS) data. At least one parameter is obtained including a sub-carrier spacing of a transport format. A modulation order and a transport block size may be detected, based on the at least one parameter. The signal received over the wireless link is then processed, based on the detected modulation order and the transport block size. An apparatus may perform the embodiments of the method to process the received signal.

Method and apparatus for wireless communication using modulation, coding schemes, and transport block sizes

A circuit for processing Carrier Aggregation (CA) is provided. The circuit includes a plurality of Component Carrier (CC) processors, each CC processor configured to estimate a frequency offset for a related CC and to compensate the estimated frequency offset, a reference clock generator configured to generate a reference clock using a reference frequency offset as one of frequency offsets output from the plurality of CC processors, a plurality of reception Phase Lock Loop (PLL) units, each reception PLL unit configured to generate a reception carrier frequency for the related CC corresponding to the reference clock, and a plurality of transmission PLL units, each transmission PLL unit configured to generate a transmission carrier frequency for the related CC corresponding to the reference clock.

Apparatus and circuit for processing carrier aggregation

A wireless communication method of a wireless communication apparatus for supporting a plurality of radio access technologies (RATs) including receiving a first downlink signal corresponding to a first RAT and a second downlink signal corresponding to a second RAT from a base station through a first frequency band, decoding the first downlink signal, detecting the second downlink signal based on a result of decoding of the first downlink signal, and decoding the detected second downlink signal to acquire data included in the second downlink signal may be provided.

Wireless communication apparatus for supporting a plurality of radio access technologies and wireless communication method thereof

Apparatuses, methods, and systems of measuring received power are described, including apparatuses, methods, and systems which can measure received power, even when the subcarrier offset of the measurement bandwidth is different from the subcarrier bandwidth of the cell bandwidth. A method includes receiving, via a transceiver, first channel state information including a first index associated with first subcarrier offset information from a first Base Station (BS); receiving, via the transceiver, a plurality of Resource Blocks (RBs) from a second BS; configuring a second index associated with the plurality of RBs, instead of the first index, when the first index is different from the second index; measuring a received power based on the plurality of RBs from the second BS by using the second index; and identifying the measured received power as a valid received power.

Communication device and method of controlling same

Antenna tuning may include performing multiple sampling on a transmission signal applied to an antenna and a reception signal corresponding to the transmission signal during a period for which a first frequency is allocated to the transmission signal, such that sampling data are generated based on the multiple sampling, the sampling data including data corresponding to the transmission signal and data corresponding to the reception signal. The method may include calculating a parameter based on the sampling data, and tuning the antenna based on the parameter. A device may include a control circuit to perform the multiple sampling and set a tuning value, a radio frequency front-end to modulate the transmission signal based on the frequency and apply a return signal of the transmission signal or a reflection signal, and an antenna tuner to adjust a resonance frequency or an impedance of the antenna according to the tuning value.

Antenna tuning devices and antenna tuning methods

A chip for detecting a synchronization signal generated based on one of a plurality of sequences, which is generated by a sequence generator, the chip including a memory, and a processor connected to the memory may be provided. The processor may be configured to receive the synchronization signal, perform first descrambling the received synchronization signal for a first sequence from among the plurality of sequences by multiplying the received synchronization signal by the first sequence, and perform second descrambling the received synchronization signal for a second sequence, which is a complex conjugate of the first sequence, from among the plurality of sequences of the received synchronization signal by changing a sign of at least one element of a descrambled sequence of the first sequence.

Method and apparatus for detecting synchronization signal

A communication device including: a transmitter for providing a first radio frequency (RF) signal to a first antenna; a second antenna for receiving the first RF signal from the first antenna to produce a second RF signal; a receiver for receiving the second RF signal from the second antenna, wherein the receiver generates a feedback signal from the second RF signal; and a controller configured to control pre-distortion based on the feedback signal.

Device and method for compensating nonlinearity of a transmitter

A method of controlling transmission power used for wireless transmission in a wireless communication device including calculating a remaining power level of a third period based on a tolerant power level of a first period and a remaining power level of a second period, the third period included in the first period and being a period from a current time to a point in time following the current time, the second period being a period from the current time to a point in time preceding the current time, calculating a transmission power level of the third period based on a target power level and the remaining power level of the third period, and generating a power control signal for determining a power level of a transmission signal unit based on the transmission power level of the third period may be provided.

Wireless communication device for controlling transmission power based on remaining power level in preceding time period

Apparatuses, methods, and systems of measuring received power are described, including apparatuses, methods, and systems which can measure received power, even when the subcarrier offset of the measurement bandwidth is different from the subcarrier bandwidth of the cell bandwidth. In one method, the first received power of a plurality of Resource Blocks (RBs) received from a second Base Station (BS) are measured based on first channel state information received from a first BS. Based on the determination whether a value of an index included in the first channel state information is larger than a predetermined value, at least one of second received power, third received power, and fourth received power of the plurality of RBs is measured by using second channel state information including an alternative index determined based on the first channel state information based on a result of the determination.

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Seoul, South Korea

Joo-Hyun Do