Broadcom Corporation

Skyworks Solutions, Inc.

Conexant Systems, Inc.

Xiaohua Xie

Norman J Beamish

Virginia M Chan

Huili Yu

Kunlun Zhu

Chuong Nguyen

Tao Jiang

Travis Tran

There is provided a hardware test and diagnosis system including a diagnostic computer and a cellular communication device. The cellular communication device includes a peripheral chipset on a circuit board and a cellular baseband controller on the circuit board, wherein the cellular baseband controller is configured to execute an agent software on the circuit board. The agent software is configured to communicate with the diagnostic computer, the agent software further configured to communicate with the peripheral chipset, and provide a virtual communication channel between the diagnostic computer and the peripheral chipset.

Hardware test and diagnosis system and method

According to one embodiment, a method for increasing resolution and accuracy of an analog to digital converter receiving an input voltage includes dithering a number of digital output values from the analog to digital converter to generate a number of dithered values. The analog to digital converter can be an 8-bit analog to digital converter, for example. The dithered values are then averaged to generate an average dithered value. For example, the dithered values can be averaged using a moving average technique. The average dithered value is then scaled down to generate a scaled value. Thereafter, the scaled value is mapped to a, for example, 10-bit digital output having higher resolution and higher accuracy than the raw 8-bit output of the analog to digital converter. In this example, the resolution of the analog to digital converter is increased by a factor of four.

Increased resolution analog to digital converter

User information such as address books, calendars, images, ring tones, and the like may be exchanged between a mobile device such as, for example, a mobile phone and a personal computer, using an enhanced or extended version of an AT command set. Client code in the mobile device and application software on the personal computer permit a user to preserve and transfer copies of personal information via a short wired or wireless communication link, permitting the user to make use of such personal information when migrating to a new mobile device, thus avoiding manual re-entry of information, loss of stored images, and re-purchase of previously purchased and downloaded materials.

Method and system for exchanging data between a mobile phone and a PC

Method and system for increasing resolution and accuracy of an analog to digital converter

Methods and apparatus for establishing secure wireless links between a handset and a base station in cordless telephone systems are described. A method of generating a secure wireless link between a handset and a base station includes initiating a linking procedure, generating a security code, displaying the security code at the base station, entering the security code into the handset and then establishing a radio frequency link between the handset and the base station utilizing the security code. A cordless telephone system capable of generating a secure wireless link includes both a handset and a base station. The handset includes a control circuit, a transmitter and a receiver coupled to the control circuit along with a keypad also coupled to the control circuit. The base station includes a control circuit, a code generation circuit coupled to the control circuit, a display coupled to the control circuit for displaying a code generated by the code generation circuit, and a transmitter and receiver coupled to the control circuit.

Method and system for generating a secure wireless link between a handset and base station

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Irvine, CA, United States of America

Xiaohua Xie