Abstract: There is provided mechanisms for managing uplink transmission of user data. A method is performed by a baseband unit. The baseband unit is operatively connected to at least two radio units. The method comprises sending a control message to the at least two radio units. The control message comprises parameters pertaining to transmission of uplink user data from the at least two radio units to the baseband unit. The parameters specify a transmission window per each of the at least two radio units for the transmission of uplink user data to the baseband unit. The method comprises receiving uplink user data from the at least two radio units in accordance with the parameters.

Abstract: A method by performed by a network node operating as a Distributed Unit (DU) includes configuring a plurality of Transmit/Receive Points (TRPs) in a group of TRPs to transmit a plurality of signals in a multiplexed sequence to at least one wireless device. Each TRP in the group of TRPS is associated with a shared cell. The network node receives, from the at least one wireless device, a response signal. Based on the response signal, the network node determines at least one TRP from the group of TRPs for use in transmitting at least one additional signal to the at least one wireless device.

Abstract: Communication between a Radio Equipment Control (REC) and a Radio Equipment (RE) in a wireless network uses a Common Public Radio Interface connection. When the Radio Equipment Control and the Radio Equipment are located remote from each other, and are connected by an asymmetric transport network, such as an Optical Transport Network, path delay data is transmitted in the Common Public Radio Interface data frames. This allows the CPRI end nodes to correct for path delay asymmetry using the path delay data.

Abstract: Communication between a Radio Equipment Control (REC) and a Radio Equipment (RE) in a wireless network uses a Common Public Radio Interface connection. When the Radio Equipment Control and the Radio Equipment are located remote from each other, and are connected by an asymmetric transport network, such as an Optical Transport Network, path delay data is transmitted in the Common Public Radio Interface data frames. This allows the CPRI end nodes to correct for path delay asymmetry using the path delay data.