Invited papers and timeliness of review process [editorial]

This editorial to informs readers about a new initiative - publishing invited papers on emerging research topics in communications by authors who are well known experts in their respective research areas - and about the timeliness of the review and publication process. It is noted that over the past year, The average sub-to-pub times improved from 66.3 weeks in the second quarter of 2012 to 44.5 weeks in the second quarter of 2013.