Karim Nassiri Toussi

Title: **Karim Nassiri Toussi: A Pioneer in MIMO Communications**

Introduction

Karim Nassiri Toussi is an accomplished inventor based in Belmont, California, who has made significant contributions to the field of wireless communication. With a total of five patents to his name, his work focuses primarily on multiple-input multiple-output (MIMO) systems, providing innovative solutions that enhance communication technology.

Latest Patents

Among his notable patents, two stand out:

1. **Frame formats for distributed MIMO**: This patent describes systems and methods for MIMO communication. The invention details a joint transmission process involving a master access point and a slave access point. During a designated time period, the master access point shares information for this joint transmission, which the slave access point uses to estimate synchronization. Following this, a portion of a null data packet is transmitted to a station device, allowing it to determine steering information for effective MIMO communication.

2. **Signaling and decoding of punctured subbands in trigger-based PPDU**: This patent focuses on the methods and systems for signaling and decoding within wireless communication devices. It allows for the generation of a trigger frame that notifies other devices to reduce their bandwidth for transmitting data. This innovation improves the efficiency of data transmission across communication channels.

Career Highlights

Karim has worked with prestigious companies throughout his career, such as Avago Technologies International Sales Pte. Limited and Quantenna Communications, Inc. His experiences at these institutions have helped shape his expertise and have informed his inventive processes.

Collaborations

Throughout his career, Karim has collaborated with noteworthy colleagues, including Ron Porat and Srinath Puducheri Sundaravaradhan. These partnerships have contributed to the development of his patents and have enhanced his impact in the field of wireless communications.

Conclusion

Karim Nassiri Toussi's innovative work in MIMO communication has solidified his reputation as a leading inventor. His contributions through patents emphasize the potential advancements in wireless technology, making significant strides towards improved communication systems for the future.