Harri Holma, Nokia, Finland, has edited eight books about 3G, 4G and 5G technologies with Antti Toskala since 2001. Dr. Holma is currently working with Nokia Technology Office with a main interest in radio systems and mobile technologies. Antti Toskala, Nokia, Finland, joined the Nokia Research Center in 1994. He previously worked on WCDMA/HSPA standardization, including chairing 3GPP RAN WG1. After 3G he worked with LTE/LTE-Advanced and 5G/5G-Advanced standards activities and he is currently heading Nokia 3GPP TSG RAN activity, with his main interest on 5G-Advanced towards 6G. Matthew Baker, Cambridge, UK, is head of RAN4 standardization at Nokia. He has contributed to the standardization of UMTS/HSPA, LTE and 5G in 3GPP, including chairing 3GPP RAN1. His current technical focus is on 5G-Advanced, and he leads Nokia’s radio-performance and coexistence standardization.

Harri Holma, Nokia, Finland, has edited eight books about 3G, 4G and 5G technologies with Antti Toskala since 2001. Dr. Holma is currently working with Nokia Technology Office with a main interest in radio systems and mobile technologies. Antti Toskala, Nokia, Finland, joined the Nokia Research Center in 1994. He previously worked on WCDMA/HSPA standardization, including chairing 3GPP RAN WG1. After 3G he worked with LTE/LTE-Advanced and 5G/5G-Advanced standards activities and he is currently heading Nokia 3GPP TSG RAN activity, with his main interest on 5G-Advanced towards 6G. Matthew Baker, Cambridge, UK, is head of RAN4 standardization at Nokia. He has contributed to the standardization of UMTS/HSPA, LTE and 5G in 3GPP, including chairing 3GPP RAN1. His current technical focus is on 5G-Advanced, and he leads Nokia’s radio-performance and coexistence standardization.