Original sentence: A number of operators have announced intention to have field trials in 2008, including O2, Softbank, TeliaSonera and Vodafone.Access and RadioFrame Networks.By 1Q/2007, the idea had become mainstream, with a number of major companies publicly demonstrating systems at the cellular industry 3GSM conference, and operators announcing trials.By 2005, the idea had become more widely recognised with demonstrations and conference discussion.By this stage more companies were involved, including more established suppliers Airwalk, ip.Currently, the most significant deployment is that of Sprint.Disruptipve Wireless has a discussion on the history and the first people to use the term 'femtocell'.From this, it appears that by mid-2004 a number of companies were independently investigating femtocells (although mostly using other terms such as "residential basestation" or "3G access point), including Ubiquisys, GGG, IBIS, 3Way Networks Ltd, and picoChip.Most analysts Citation neededagree that 2008 will primarily be field trials and soft launch, while commercial launch will be commence in 2009.The January 08 3GPP meeting determined that "Interference issues pose no insurmountable obstacles to femtocell deployment in either open or closed architectures" [Reference required].The LTE study groups have identified femtocells ("Home eNode B") as a priority area.This started in 3Q/2007, and is a limited rollout (Denver and Indianapolis) of a home-based femtocell built by Samsung Electronics called the Sprint Airave that works with any Sprint handset
Edited sentence: Access, RadioFrame Networks and Ubiquisys.By 1Q/2007, the idea had become more mainstream, with a number of companies publicly demonstrating systems at the cellular industry 3GSM conference, and operators announcing trials.By 2005, a number of other companies were looking to focus on this market, including Airwalk, ip.In April 2007, 3Way Networks Ltd was acquired by the U.In August 2004 a UK company, 3Way Networks Ltd, was established.Indeed, the LTE study groups have identified femtocells ("Home eNode B") as a priority area.It is believed that they were the first company to recognise publically that Femtocells were a disruptive technology [Rerefence] and were one of the first to demonstrate a solution.based company Airvana]