Marvell International Limited

Marvellworld Trade Ltd.

Chusong Xiao

Hui-Ling Lou

Leilei Song

Qing Zhao

Manyuan Shen

Hongyuan Zhang

Sudhir Srinivasa

Mao Yu

Sri Varsha Rottela

B Hari Ram

Yanni Chen

Lokesh Sundaramurthy Satrasala

Yong Ma

Systems and methods are provided for detecting a received synchronization signal. The method includes receiving, at a receiver, a signal from a transmitter and the signal includes the received synchronization signal. The method includes processing the received signal and a plurality of candidate synchronization signals to obtain a plurality of correlation signals. Each candidate synchronization signal is associated with one of the plurality of correlation signals. The method includes selecting, based at least in part on the plurality of correlation signals, one of the plurality of candidate synchronization signals. The selected candidate synchronization signal is correlated with the received synchronization signal. The method includes detecting the received synchronization signal based at least in part on (i) the received signal, and (ii) a characteristic obtained from the correlation signal that is associated with the selected candidate synchronization signal.

Systems and methods for detecting a primary synchronization signal in a wireless communication system

Systems and methods for detecting data in a received multiple-input-multiple-output signal are provided. N signals are received from N respective antennas, where the received signals are associated with (i) M sets of data values, (ii) a set of symbols, and (iii) a set of carrier frequencies. The N signals are formed into a received signal vector y, and one or more transformations are performed on the received signal vector y to obtain a transformed vector. A plurality of samples are formed from the transformed vector. For samples of the plurality of samples, a data detection technique of a plurality of data detection techniques is selected. The selecting is based on at least one of a spatial stream, a symbol, and a carrier frequency associated with the given sample. The selected data detection, technique is used to detect data of the given sample.

Systems and methods for detecting data in a received multiple-input-multiple-output (MIMO) signal

The present disclosure describes systems and techniques relating to wireless communications. According to an aspect of the described systems and techniques, an apparatus includes: circuitry configured to receive wireless communication transmissions having periodic synchronization signals transmitted at a fixed interval, wherein the periodic synchronization signals convey information used to establish communication between wireless communication devices; and circuitry configured to acquire the periodic synchronization signals of the wireless communication transmissions by, at least in part, (i) calculating objective function values for hypotheses of parameter sets for a current period, (ii) combining only a portion of the calculated objective function values with stored objective function value data from a prior period to form combined data used in signal acquisition, and (iii) storing the combined data or the portion of the calculated objective function values for use in a next period.

Acquisition of periodic synchronization signals

Systems and methods are provided for detecting a received synchronization signal. The method includes receiving, at a receiver, a signal from a transmitter, where one or more portions of the received signal include the received synchronization signal. The method includes processing the one or more portions of the received signal to obtain a differential signal, and processing the differential signal and a plurality of candidate differential synchronization signals to obtain a plurality of cross-correlation signals. Each candidate differential synchronization signal is associated with one cross-correlation signal. The method includes selecting, based at least in part on the plurality of cross-correlation signals, one of the candidate differential synchronization signals, and detecting the received synchronization signal based at least in part on (i) the one or more portions of the received signal, and (ii) a frequency offset value obtained from the cross-correlation signal associated with the selected candidate differential synchronization signal.

Systems and methods for detecting secondary synchronization signals in a wireless communication system

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Union City, CA, United States of America

Chusong Xiao