Patent ID: 9532270
Filing Date: 2016-12-27
CPC Classification: H04L,H04W

Claim Text:
1. A wireless communication network system based on centralized control and content delivery, comprising: a centralized controller, a core network data forwarding unit, a core network data cache unit, and at least one distributed base station, wherein said distributed base station comprises a base station control unit and a base station data forwarding unit, in which said base station control unit is configured for Hybrid Automatic Repeat Request, physical resource block scheduling, code modulation, synchronization, power control, physical layer measuring function, channel estimation, link adaptation, and enabling said base station data forwarding unit to forward data between an internet and said core network data forwarding unit; said core network data cache unit is connected with said core network data forwarding unit for storing an access frequency of each distributed base station and/or the content which are requested by the users over a preset times; said centralized controller comprises an access network control unit, which is configured for realizing joint access control, joint resource scheduling, personalized Quality of Service customization, dynamic traffic offloading, and joint interference suppression of each base station control unit; and said centralized controller further comprises a content delivery control unit, which is configured for determining whether a requested content of current user request is cached in said core network data cache unit or not, and if yes, enabling said core network data forwarding unit to send corresponding data stored in said core network data cache unit to a corresponding user.