H04J3/0611

Arrangement for synchronizing access points in WLAN using direct-sequence spread spectrum signaling

A method includes receiving at a wireless communication device via a wired connection, a signal including a synchronization signal, the synchronization signal including a baseband data signal and a plurality of pseudo noise sequences. The method includes decoding the synchronization signal to determining timing information. The method further includes synchronizing operation at the wireless communication device with a second wireless communication device based on the timing information.

Method of searching code sequence in mobile communication system

A method for transmitting a signal for cell searching in a mobile communication system having a multi-cell environment includes transmitting the signal to one or more receiving party devices within a cell, wherein the signal is used for a synchronization of the one or more receiving party devices within the cell, the signal is defined by a combination of a first code sequence derived from a first index and a second code sequence derived from a second index, and an identity of the cell is used for defining the combination of the first code sequence and the second code sequence.

Apparatus and method to perform a double correlation
09660692 · 2017-05-23 · ·

An apparatus is described for performing a correlation function on a received signal and a plurality of predetermined chip codes from a communication standard. The apparatus comprising: a first plurality of logic gates configured as a multiplier unit operable to receive a signal sampled at a predetermined sampling frequency, and to perform predetermined multiplication operations on the input signal in accordance with the correlation function; a first memory unit operable to receive and store multiplication values from the first plurality of logic gates; a second memory unit having stored therein values from predetermined multiplication operations performed on the plurality of chip codes in accordance with the correlation function; and a second plurality of logic gates configured as an adder unit to receive multiplication values outputted from the first memory unit and the second memory unit and to sum the multiplication values from the first memory unit taking into account the multiplication values in the from the second memory unit.

METHOD OF SEARCHING CODE SEQUENCE IN MOBILE COMMUNICATION SYSTEM

A method for transmitting a signal for cell searching in a mobile communication system having a multi-cell environment includes transmitting the signal to one or more receiving party devices within a cell, wherein the signal is used for a synchronization of the one or more receiving party devices within the cell, the signal is defined by a combination of a first code sequence derived from a first index and a second code sequence derived from a second index, and an identity of the cell is used for defining the combination of the first code sequence and the second code sequence.

DETECTION SYSTEM FOR VEHICLE-MOUNTED ETHERNET LINK SYNCHRONIZATION SIGNAL
20250202608 · 2025-06-19 ·

The invention relates to the technical field of vehicle-mounted Ethernet communication, in particular to a detection system for a vehicle-mounted Ethernet link synchronizing signal, which comprises a signal characteristic judgment module, the signal characteristic judgment module generates a synchronization mode identifier according to the signal characteristic of the synchronizing signal; a rate judgment module, the rate judgment module generates a working rate identifier according to the synchronizing signal; and a synchronization module, the synchronization module is respectively connected with the signal characteristic judgment module and the rate judgment module, and the synchronization module generates synchronization information for handshake between the vehicle-mounted Ethernet device and the external device according to the synchronization mode identifier and the working rate identifier and outputs the synchronization information.

Detection system for vehicle-mounted ethernet link synchronization signal

The invention relates to the technical field of vehicle-mounted Ethernet communication, in particular to a detection system for a vehicle-mounted Ethernet link synchronizing signal, which comprises a signal characteristic judgment module, the signal characteristic judgment module generates a synchronization mode identifier according to the signal characteristic of the synchronizing signal; a rate judgment module, the rate judgment module generates a working rate identifier according to the synchronizing signal; and a synchronization module, the synchronization module is respectively connected with the signal characteristic judgment module and the rate judgment module, and the synchronization module generates synchronization information for handshake between the vehicle-mounted Ethernet device and the external device according to the synchronization mode identifier and the working rate identifier and outputs the synchronization information.