I have 17 years experiences on telecommunications LTE FDD/TDD, UMTS and GSM radio Senior expert I write many RFP and RFI documents. there are many aspects to add on document that only 4G expert can know like frequency requirements which depends the pathloss than required number of eNodeBs, bandwidth to use Vs target throughout, mandatory QoS for IPTV service (CQI, DSCP, ARP...), if 4G network will handle only WBB users using IPTV service or also MBB users, knowledge on 3GPP standards ...