The new deal includes sponsorship of the show's WAP offering on CNN mobile, plus activity around the show's online stream through internet TV service Joost.
Just Imagine is a series of hour-long films fronted by experts examining future science and technology developments. Series two will run on CNN until November.
The Ericsson campaign encompasses on-air sponsorship of the show, including bumpers and a series of editorial teasers that will be rotated across CNN International, promoting the show and driving traffic to the website. Ericsson will be sole sponsor of the show's website Cnn.com/justimagine.
CNN ad sales' in-house creative production unit Turner Commercial Productions will also produce a series of four hour-long advertorial segments featuring Ericsson case studies. The renewal follows the success of the 2007 campaign, which contributed towards a 12% lift in brand awareness for Ericsson.