An interactive software-based network design tool that may be used to simulate and view the operation of a wireless mesh device network used in a process plant, such as a wireless HART device network, allows a user to create a model of a wireless network, input several design requirements, and automatically generate and view communication routes and schedules for the wireless network. The network design tool provides an interactive graphic interface for the addition, removal, and positioning of nodes and devices within the wireless network and a menu including several interactive screens for specifying threshold values, network topology selections, routing preferences, and other configuration parameters related to generating and optimizing communication routes and schedules within the wireless mesh network. The network design tool automatically applies a set of optimization rules along with the parameters input by user to the network model in order to generate efficient network configuration data.

Configuring and optimizing a wireless mesh network

In a method of identifying matching packets at different locations in a network, a first plurality of packets is received at a first location in the network, and a first subset thereof is selected in accordance with a filter. A second plurality of packets is received at a second location in the network, and a second subset thereof is selected in accordance with the same filter. Each packet in the first and second subsets is parsed to extract invariant header fields from an outermost IP header inwards, until a minimal set of invariant header fields is obtained for that packet, or until it is determined that a minimal set is not obtainable for that packet. A packet signature is computed from the minimal set for each packet having a minimal set, and the packet signatures are compared to identify matching packets in the first and second subsets.

Method and system for identifying matching packets

A process controller includes a central processing unit (CPU) and a multi-channel serial communication interface including a plurality of serial communication engines in parallel to one another coupled to the CPU. The multi-channel serial communication interface provides a plurality of independent serial communication channels between the CPU and a plurality of IO modules. The plurality of independent communication channels enable the CPU to simultaneously receive signals at any time from any combination of the plurality of IO modules.

Process controller having multi-channel serial communications link

In accordance with one or more embodiments of the present disclosure a method for selecting transceivers to provide wireless communication service for a wireless user endpoint comprises determining at least one characteristic of at least one communication channel between a wireless user endpoint and a first plurality of transceivers. The determination of the at least one characteristic is based on a reference signal generated by the wireless user endpoint for reception by the first plurality of transceivers. The method further comprises analyzing the at least one characteristic of the at least one communication channel. The method additionally comprises selecting at least one transceiver of the first plurality of transceivers to provide wireless communication service for the wireless user endpoint. The selection of the at least one transceiver is based on the at least one characteristic of the at least one communication channel.

System and method for selecting transceivers to provide wireless communication service for a wireless user endpoint

A serial peripheral interface is configurable to operate in a I2S transmission mode. The interface has a transmission unit connected with external pins for data, bit clock, and left/right clock signal, a first-in-first-out (FIFO) buffer with a plurality of memory lines, and a control unit operable to read data portions from two memory lines, to assemble them into a transmission word, and to forward the assembled transmission word to the transmission unit, wherein the transmission unit is configured to serially transmit the assembled transmission word through the external data pin.

Multi-channel i2s transmit control system and method

A packet controller for simultaneous processing of data packets transmitted via a plurality of communication channels includes a plurality of inputs to receive a respective plurality of signals, such that each of the plurality of signals is indicative of a presence of a data packet on a respective one of the plurality of communication channels, a clock source to supply a periodic clock signal, a plurality of independent processing modules coupled to the respective plurality of inputs to simultaneously process the plurality of signals, such that each of the plurality of independent processing modules implements a respective state machine driven by the periodic clock signal to process the respective signal independently of every other one of the plurality of processing modules, and an output to transmit an output signal indicative of a presence of at least one data packet on one or more of the plurality of communication channels.

Wireless communication network analyzer

Simultaneous data packet processing

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Wireless communication network analyzer

Simultaneous data packet processing