Last year Nole won the Abu Dhabi exhibition event, beating Jo-Wilfried Tsonga and David Ferrer.
Novak will make his debut at the ATP World Tour 250 event in Doha, Qatar, from January 4.
In 2014, Novak finished quarter-finalist to the eventual champion, Stanislas Wawrinka. He's won four titles at the first Grand Slam tournament of the season.
Novak won the Dubai Duty Free Tennis Championships four times (2009-11, 2013). In 2014, he was semi-finalist to Roger Federer 6-3, 3-6, 2-6.
In the 2015 Davis Cup by BNP Paribas first round, the 2010 World Champion Serbia hosts Croatia.
In 2014, Novak captured the Indian Wells Masters title for the third time, coming back from a set down to beat Roger Federer in the final 3-6, 6-3, 7-6.
Novak has won Miami Masters four times. In 2014, he beat Rafael Nadal in the final 6-3, 6-3, becoming just the second player to win the Indian Wells-Miami title double for a second time.