Mexico has received its first bid from a consortium to build a $10 billion state-owned mobile network, a linchpin of efforts to break the hold of Carlos Slim's America Movil on telecom services. Telecom equipment makers Alcatel-Lucent and Ericsson helped the consortium craft the proposal submitted to the government, four sources said. Mexico's government, which estimates that the network will require an investment of about $10 billion over 10 yea…