The wireless industry has always held great allure for entrepreneurs seeking to make their fortunes in the high-tech world. Over the past year we have witnessed a resurgence of venture capital dollars flowing into the mobile industry, primarily due to enormous interest in mobile application development. In fact, some investors are starting to compare the frenzy around mobile apps and the mobile web to the dot-com bubble that occurred more than a decade ago. The 2011 winners of the annual FierceWireless Fierce 15 awards celebrate innovative mobile startups on the cusp of great success. It's a diverse group--one firm provides analytics to help operators better understand the growing amount of data flowing over their networks, while another has developed a location-based shopping app that is quickly gaining traction with retailers. All are companies you should know. Special report.