Invention Application
US20120257575A1 CO-PHASING OF TRANSMISSIONS FROM MULTIPLE INFRASTRUCTURE NODES 有权
多个基础设施传输的传输协同解决方案

CO-PHASING OF TRANSMISSIONS FROM MULTIPLE INFRASTRUCTURE NODES
Abstract:
Briefly, in accordance with one or more embodiments, mobile station or user equipment receives pilot signals from two or more infrastructure nodes in a distributed antenna system, and calculates phase or timing information, or combinations thereof, from the pilot signals. The mobile station feeds back the phase or timing information, or combinations thereof, to the infrastructure nodes, and then receives one or more subsequent transmissions from the infrastructure nodes with phase shift or timing adjustments, or combinations thereof, calculated by the infrastructure nodes and applied to the spatial streams transmitted by the infrastructure nodes.
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