Patent ID: 9596048
Date: 2017-03-14
CPC Classifications: H04B,H04J

Claim:
1. A system for delivering uplink signals and downlink signals between a plurality of donor units and a plurality of remote units in cloud-based radio access network (C-RAN), the system comprising: a centralization device connected to the plurality of donor units; and a plurality of distribution devices, each distribution device connected to a respective subset of the plurality of remote units, wherein the centralization device and the plurality of distribution devices are interconnected through optical fibers forming an optical ring network, wherein the centralization device is configured to said each distribution device is configured to wherein the plurality of donor units includes a plurality of wireless donor units and a plurality of wired donor units, and the plurality of remote units include a plurality of wireless remote units and a plurality of wired remote units, wherein the centralization device comprises a first transmission rate converter configured to