Patent ID: 9088941
Filing Date: 2015-07-21
Classification: H04L,H04W

Abstract:
1. An transmission node for use in a chain in a wireless communication network, comprising: a first Common Public Radio Interface (CPRI) unit comprising a first auxiliary interface for transmitting auxiliary data to a second CPRI unit in the transmission node, wherein the auxiliary data comprises control word data and IQ data; a memory unit for storing the control word data; a memory write block connected between the first auxiliary interface and the memory unit for writing the control word data to the memory unit based on a first set of frame timing signals received from the first auxiliary interface; and a memory read and merge block connected to the memory unit for reading the control word data stored in the memory unit based on a second set of frame timing signals, and merging the control word data with the IQ data from the first auxiliary interface, wherein the second CPRI unit comprises a second auxiliary interface connected to the memory read and merge block for receiving the merged auxiliary data, and wherein the memory read and merge block comprises: