System and method for dynamic provisioning of Wi-Fi capacity in large venues using C-RAN architecture
A computer-implemented method for dynamic provisioning of Wi-Fi capacity in areas using a centralized radio access network (C-RAN) architecture is presented. The computer-implemented method includes introducing a set of access points (APs) in a network for providing capacity required to serve a plurality of users accessing heterogeneous content, introducing a set of remote radio heads (RRHs) in the network acting as transmit/receive points, tracking traffic fluctuations, and adapting front-haul configurations at a granularity of epochs, where measurements from previous epochs serve as input to drive current epochs.
1. A computer-implemented method for dynamic provisioning of Wi-Fi capacity in areas using a centralized radio access network (C-RAN), the method comprising:
introducing a set of access points (APs) in the C-RAN for providing capacity required to serve a plurality of users accessing heterogeneous content;
introducing a set of remote radio heads (RRHs) in the C-RAN acting as transmit/receive points, the set of APs being mapped to at least one of the set of RRHs to create AP-RRH mappings;
tracking traffic fluctuations of the plurality of users in the C-RAN; and
based on the traffic fluctuations, adapting the AP-RRH mappings at a granularity of epochs, where measurements from previous epochs serve as input to drive current epochs.
2. The method of claim 1 , wherein the set of APs is adapted to serve user traffic demands in terms of capacity and requests for accessing the heterogeneous content.
3. The method of claim 2 , wherein the set of APs is optimized to serve users of the plurality of users requesting the heterogeneous content.
4. The method of claim 1 , wherein the C-RAN is a distributed antenna system (DAS).
5. The method of claim 1 , wherein each RRH of the set of RRHs requires a traffic demand for a current epoch based on weighted average of demands from the previous epochs.
6. The method of claim 5 , wherein the traffic demand is an estimate of aggregate throughput requirements of one or more users of the plurality of users accessing the C-RAN through a RRH of the set of RRHs.
7. The method of claim 1 , wherein the heterogeneous content includes unicast content and broadcast content.
8. The method of claim 1 , wherein clusters of RRHs are formed such that a number of RRH clusters does not exceed a number of APs.
9. The method of claim 8 , wherein each of the RRH clusters sharing a common RRH are assigned different channels and wherein each of the RRH clusters positioned in an interference range of each other are not assigned a same channel.
10. A system for dynamic provisioning of Wi-Fi capacity in areas using a centralized radio access network (C-RAN), the system comprising:
a memory; and
a processor in communication with the memory, wherein the processor is configured to:
introduce a set of access points (APs) in the C-RAN for providing capacity required to serve a plurality of users accessing heterogeneous content;
introduce a set of remote radio heads (RRHs) in the C-RAN acting as transmit/receive points, the set of APs being mapped to at least one of the set of RRHs to create AP-RRH mappings;
track traffic fluctuations of the plurality of users in the C-RAN; and
based on the traffic fluctuations, adapt the AP-RRH mappings at a granularity of epochs, where measurements from previous epochs serve as input to drive current epochs.
11. The system of claim 10 , wherein the set of APs is adapted to serve user traffic demands in terms of capacity and requests for accessing the heterogeneous content.
12. The system of claim 11 , wherein the set of APs is optimized to serve users of the plurality of users requesting the heterogeneous content.
13. The system of claim 10 , wherein the C-RAN is a distributed antenna system (DAS).
14. The system of claim 10 , wherein each RRH of the set of RRHs requires a traffic demand for a current epoch based on weighted average of demands from the previous epochs.
15. The system of claim 14 , wherein the traffic demand is an estimate of aggregate throughput requirements of one or more users of the plurality of users accessing the C-RAN through a RRH of the set of RRHs.
16. The system of claim 10 , wherein the heterogeneous content includes unicast content and broadcast content.
17. The system of claim 10 , wherein clusters of RRHs are formed such that a number of RRH clusters does not exceed a number of APs.
18. The system of claim 17 , wherein each of the RRH clusters sharing a common RRH are assigned different channels and wherein each of the RRH clusters positioned in an interference range of each other are not assigned a same channel.
19. A non-transitory computer-readable storage medium comprising a computer-readable program for dynamic provisioning of Wi-Fi capacity in areas using a centralized radio access network (C-RAN), wherein the computer-readable program when executed on a computer causes the computer to perform the steps of:
introducing a set of access points (APs) in the C-RAN for providing capacity required to serve a plurality of users accessing heterogeneous content;
introducing a set of remote radio heads (RRHs) in the C-RAN acting as transmit/receive points, the set of APs being mapped to at least one of the set of RRHs to create AP-RRH mappings;
tracking traffic fluctuations of the plurality of users in the C-RAN; and
based on the traffic fluctuations, adapting the AP-RRH mappings at a granularity of epochs, where measurements from previous epochs serve as input to drive current epochs.
20. The non-transitory computer-readable storage medium of claim 19 ,
wherein the set of APs is adapted to serve user traffic demands in terms of capacity and requests for accessing the heterogeneous content; and
wherein the set of APs is optimized to serve users of the plurality of users requesting the heterogeneous content.