Per-Ola Andersson

Title: Per-Ola Andersson: Innovator in Wireless Communication and Optical Measurement

Introduction

Per-Ola Andersson is a notable inventor based in Saltsjöbaden, Sweden. He has made significant contributions to the fields of wireless communication and optical measurement. With a total of 2 patents, his work reflects a commitment to advancing technology and improving user experiences.

Latest Patents

One of Andersson's latest patents is a method for accessing local services in WLANs. This invention enables a wireless device to communicate with local service devices, such as printers or projectors, within a Local Area Network (LAN) or Wireless Local Area Network (WLAN). The method involves identifying a multicast Domain Name System (mDNS) request from the wireless device and assigning a LinkLocal (LL)-address for the device. It retrieves a local IP-address of an Authentication and Authorization Service (AA-S) to authenticate the services the wireless device is authorized to use. The local IP-address of the service device is then retrieved, allowing for seamless communication between the wireless device and the local service device.

Another significant patent by Andersson is related to a fibre-optic Mach-Zehnder Interferometer designed for measuring changes in length. This invention connects two light-conducting fibres to a coherent light source. A measurement converter changes the length of the optical path, affecting the phase angle of the light wave in one fibre. The phase angles are compared, and an output signal is generated to compensate for any phase angle changes. The use of an opto-electronic directional coupler enhances the accuracy of the interferometer, allowing for the use of polarized light.

Career Highlights

Per-Ola Andersson is associated with Telefonaktiebolaget LM Ericsson (Publ), a leading telecommunications company. His work at Ericsson has allowed him to contribute to innovative solutions in the telecommunications sector.

Collaborations

Andersson has collaborated with notable coworkers, including Tomas Thyni and Annikki Welin. Their combined expertise has fostered advancements in their respective fields.

Conclusion

Per-Ola Andersson's contributions to wireless communication and optical measurement demonstrate his innovative spirit and dedication to technology. His patents reflect a deep understanding of complex systems and a desire to enhance user experiences in everyday technology.