Alcatel-Lucent and China Mobile announced on April 20, 2011 that the two companies have signed an MOU (Memorandum of Understanding) in Beijing for the development of next generation mobile communications, according to a press release by Alcatel-Lucent. As per the agreement, cooperation between the two companies includes mobile network architecture evolution, core network structure development, and technology development for green ICT. It is reported that the two partners will also expand their joint collaboration on Alcatel-Lucent's lightRadio technology.