Mechanisms for controlling sample rate and frequency shift of a digital signal in a multi-operator network. A method is performed by a network node. The method includes obtaining a frequency difference and a phase difference between two clock domains. One of the clock domains is associated with a radio access network of a network operator of the multi-operator network and the other of the clock domains is associated with a distributed antenna system in the multi-operator network. The method includes controlling sample rate conversion of the digital signal between the two clock domains using the phase difference. The digital signal is communicated between the radio access network and the distributed antenna system. The method includes controlling a frequency shift of the digital signal using the frequency difference.

Mechanisms for controlling sample rate and frequency shift of a digital signal in a multi-operator network. A method is performed by a network node. The method includes obtaining a frequency difference and a phase difference between two clock domains. One of the clock domains is associated with a radio access network of a network operator of the multi-operator network and the other of the clock domains is associated with a distributed antenna system in the multi-operator network. The method includes controlling sample rate conversion of the digital signal between the two clock domains using the phase difference. The digital signal is communicated between the radio access network and the distributed antenna system. The method includes controlling a frequency shift of the digital signal using the frequency difference.

An apparatus for time aware audio streams is described herein. The apparatus includes a converter and an alignment unit. The converter is to perform sample rate conversion of data from a first clock to a second clock. The alignment unit is to indicate valid sample points in the data based on a relationship between the first clock and the second clock.

Mechanisms for controlling sample rate and frequency shift of a digital signal in a multi-operator network. A method is performed by a network node. The method includes obtaining a frequency difference and a phase difference between two clock domains. One of the clock domains is associated with a radio access network of a network operator of the multi-operator network and the other of the clock domains is associated with a distributed antenna system in the multi-operator network. The method includes controlling sample rate conversion of the digital signal between the two clock domains using the phase difference. The digital signal is communicated between the radio access network and the distributed antenna system. The method includes controlling a frequency shift of the digital signal using the frequency difference.

Mechanisms for controlling sample rate and frequency shift of a digital signal in a multi-operator network. A method is performed by a network node. The method includes obtaining a frequency difference and a phase difference between two clock domains. One of the clock domains is associated with a radio access network of a network operator of the multi-operator network and the other of the clock domains is associated with a distributed antenna system in the multi-operator network. The method includes controlling sample rate conversion of the digital signal between the two clock domains using the phase difference. The digital signal is communicated between the radio access network and the distributed antenna system. The method includes controlling a frequency shift of the digital signal using the frequency difference.

A communication device for use within a communication system, the device comprising: re-sampling circuitry configured to output re-sampled digital downlink signals by re-sampling digital downlink signals at resample rates based on at least one factor, the re-sampled digital downlink signals having a smaller bandwidth than the digital downlink signals; and framing circuitry configured to multiplex the re-sampled digital downlink signals and to generate a first frame that includes the re-sampled digital downlink signals as framed data for transport to one or more remotely located communication devices of the communication system, wherein the one or more remotely located communication devices of the communication system are configured to transmit radio frequency signals using at least one antenna, wherein the transmitted radio frequency signals are derived from the framed data of the first frame received from the communication device.

A communication device for use within a communication system, the device comprising: re-sampling circuitry configured to output re-sampled digital downlink signals by re-sampling digital downlink signals at resample rates based on at least one factor, the re-sampled digital downlink signals having a smaller bandwidth than the digital downlink signals; and framing circuitry configured to multiplex the re-sampled digital downlink signals and to generate a first frame that includes the re-sampled digital downlink signals as framed data for transport to one or more remotely located communication devices of the communication system, wherein the one or more remotely located communication devices of the communication system are configured to transmit radio frequency signals using at least one antenna, wherein the transmitted radio frequency signals are derived from the framed data of the first frame received from the communication device.

Disclosed is a method for variably changing a communication speed by a first device when a high-speed communication request within a range supported by the first device is input from a second device during low-speed communication of the first device with a third device in the UART communication and performing data communication with the second device at the varied high speed. A method for switching, by a device, a communication speed in an universal asynchronous receiver-transmitter (UART)-based data communication includes: measuring, by an interrupt detection module of the device, a pulse width of a start bit using an interrupt signal; calculating, by a communication speed calculation module of the device, a communication speed using a time duration for which the measured pulse width is maintained; and switching, by a communication speed switching module of the device, a current communication speed of the device to the calculated communication speed.

Disclosed is a method for variably changing a communication speed by a first device when a high-speed communication request within a range supported by the first device is input from a second device during low-speed communication of the first device with a third device in the UART communication and performing data communication with the second device at the varied high speed. A method for switching, by a device, a communication speed in an universal asynchronous receiver-transmitter (UART)-based data communication includes: measuring, by an interrupt detection module of the device, a pulse width of a start bit using an interrupt signal; calculating, by a communication speed calculation module of the device, a communication speed using a time duration for which the measured pulse width is maintained; and switching, by a communication speed switching module of the device, a current communication speed of the device to the calculated communication speed.

Example embodiments provide apparatus, systems and methods to optimize a multicasting operation used to transmit data packets in a communication network. A data store stores at least one variable parameter associated with the multicasting operation. A communication transceiver multicasts a data packet to a plurality of nodes in a communication network using the stored variable parameter and receives, from a node of the plurality of nodes, a retransmitted version of the multicast data packet, the retransmitted data packet comprising feedback data. At least one processor coupled to the data store and the communication transceiver determines, using the feedback data, that the variable parameter requires modification to optimize the multicasting operation for the network, modifies the variable parameter in response to the feedback data; and stores the modified variable parameter in the data store.