公开(公告)号：US09332514B2

公开(公告)日：2016-05-03

申请号：US14159102

申请日：2014-01-20

Applicant: QUALCOMM INCORPORATED

Inventor： Simha Sorin

IPC: H04W56/00 ,  H04L7/10 ,  H04L7/04 ,  H04B1/7073

CPC classification number: H04W56/001 ,  H04B1/7073 ,  H04L7/041 ,  H04L7/10

Abstract: An apparatus and method for performing initial signal acquisition in a receiver of a millimeter wave wireless communication system. The apparatus comprises receiving a millimeter-wave signal including complementary sequences at the receiver; cross-correlating the received signal related to the received complementary sequences with respective predefined complementary sequences, wherein the received complementary sequences include a first type of complementary sequences and a second type of complementary sequences; performing a signal sequence detection by auto-correlating the cross-correlated first type of complementary sequences and comparing the auto-correlated results to an energy dependent threshold; and upon detection of the signal sequence, performing a timing synchronization to synchronize a start frame delimiter (SFD), wherein the timing synchronization includes in part a search for a peak in the cross-correlated first type of complementary sequences using a SFD search threshold.

Abstract translation: 一种用于在毫米波无线通信系统的接收机中执行初始信号采集的装置和方法。 该装置包括在接收机处接收包括互补序列的毫米波信号; 将与所接收的互补序列相关的接收信号与相应的预定互补序列相互相关，其中所接收的互补序列包括第一类型的互补序列和第二类型的互补序列; 通过对所述互相关的第一类型的互补序列进行自相关并将所述自相关结果与能量相关阈值进行比较来执行信号序列检测; 并且在检测到信号序列时，执行定时同步以使开始帧定界符（SFD）同步，其中定时同步部分地部分地使用SFD搜索阈值搜索交叉相关的第一类型的互补序列中的峰。

公开(公告)号：US11012106B2

公开(公告)日：2021-05-18

申请号：US15274819

申请日：2016-09-23

Applicant: QUALCOMM Incorporated

Inventor： Amichai Sanderovich ,  Michael Leviant ,  Simha Sorin

IPC: H04B1/10 ,  H04B7/08 ,  H04B1/16

Abstract: In an aspect of the disclosure, an apparatus for wireless communication is provided. The apparatus may include several detectors, each of which may be configured to detect a signal received by a corresponding antenna of several antennas. The apparatus may include a processing system configured to detect a remote apparatus based on outputs from the detectors. The apparatus may include several modem radio frequency chips each including a corresponding detector of the several detectors, and a modem baseband chip including the processing system. The processing system may be configured to allow at most one of the detectors to output a detection declaration to the processing system at a time. The processing system may be configured to send a power-down command to and disconnect from each of the detectors that does not detect the signal from a corresponding antenna of the several antennas.

公开(公告)号：US11509337B2

公开(公告)日：2022-11-22

申请号：US17318155

申请日：2021-05-12

Applicant: QUALCOMM Incorporated

Inventor： Amichai Sanderovich ,  Michael Leviant ,  Simha Sorin

IPC: H04B1/10 ,  H04B7/08 ,  H04B1/16

Abstract: In an aspect of the disclosure, an apparatus for wireless communication is provided. The apparatus may include several detectors, each of which may be configured to detect a signal received by a corresponding antenna of several antennas. The apparatus may include a processing system configured to detect a remote apparatus based on outputs from the detectors. The apparatus may include several modem radio frequency chips each including a corresponding detector of the several detectors, and a modem baseband chip including the processing system. The processing system may be configured to allow at most one of the detectors to output a detection declaration to the processing system at a time. The processing system may be configured to send a power-down command to and disconnect from each of the detectors that does not detect the signal from a corresponding antenna of the several antennas.