Virtualized Wireless Base Stations Network

A virtualized radio base station node, comprising:

• a plurality of radio units comprising:
• a remote radio head including a lower physical layer (PHY-Low), an analog-to-digital converter (ADC), a digital-to-analog converter (DAC), MIMO antenna arrays, and a radio frequency (RF) transceiver;
• and
• a distributed unit including a Radio Link Control (RLC) layer, a Medium Access Control (MAC) layer, and a higher physical (PHY-high) layer,
• wherein the remote radio head and the distributed unit are located in at least one of the radio units, and wherein the remote radio head and the distributed unit are virtualized and shared by the plurality of radio units.

A virtualized radio base station network, comprising:

• a plurality of radio base station nodes, each node including a plurality of radio units, comprising:
• a remote radio head including a lower physical layer (PHY-Low), an analog-to-digital converter (ADC), a digital-to-analog converter (DAC), MIMO antenna arrays, and a radio frequency (RF) transceiver;
• and
• a distributed unit including a Radio Link Control (RLC) layer, a Medium Access Control (MAC) layer, and a higher physical (PHY-high) layer,
• wherein the remote radio head and the distributed unit are located in the radio units, and wherein the remote radio head, and the distributed unit are shared by the plurality of radio units;
• and
• a central unit including a Packet Data Convergence Protocol (PDCP) layer, a Service Data Adaptation Protocol (SDAP) layer, and a Radio Resource Control (RRC) layer, wherein the central unit is connected to the radio units via a fronthaul link, wherein the central unit is shared by the plurality of radio units.

A radio base station node, comprising:

• a virtualized remote radio head including a lower physical layer (PHY-Low), an analog-to-digital converter (ADC), a digital-to-analog converter (DAC), and a radio frequency (RF) transceiver;
• a virtualized distributed unit including a Radio Link Control (RLC) layer, a Medium Access Control (MAC) layer, and a higher physical (PHY-high) layer;
• and
• a virtualized central unit including a Packet Data Convergence Protocol (PDCP) layer, a Service Data Adaptation Protocol (SDAP) layer, and a Radio Resource Control (RRC) layer,
• wherein the virtualized remote radio head, the virtualized distributed unit and the virtualized central unit are located in radio units, and wherein the virtualized remote radio head, the virtualized distributed unit and the virtualized central unit are shared by the radio units.

A radio base station network, comprising:

• a plurality of radio base station nodes, each node including a plurality of radio units, comprising:
• a virtualized remote radio head including a lower physical layer (PHY-Low), an analog-to-digital converter (ADC), a digital-to-analog converter (DAC), and a radio frequency (RF) transceiver;
• a virtualized distributed unit including a Radio Link Control (RLC) layer, a Medium Access Control (MAC) layer, and a higher physical (PHY-high) layer,
• wherein the virtualized remote radio head and the virtualized distributed unit are located in the radio units, and wherein the virtualized remote radio head, and the virtualized distributed unit are shared by the radio units;
• and
• a virtualized central unit including a Packet Data Convergence Protocol (PDCP) layer, a Service Data Adaptation Protocol (SDAP) layer, and a Radio Resource Control (RRC) layer, wherein the virtualized central unit is connected to the base station nodes via a fronthaul link, wherein the virtualized central unit is shared by the base station nodes.

A method for wireless communication, comprising:

• receiving a first uplink signal at a first virtualized radio unit;
• receiving a second uplink signal at a second virtualized radio unit,
• wherein the first and second uplink signals are processed by one or more virtual machines shared by both the first and second radio units, and
• wherein a first virtual machine implements at least one of a lower physical layer (PHY-Low), an analog-to-digital converter (ADC), a digital-to-analog converter (DAC), and a radio frequency (RF) transceiver, and
• wherein a second virtual machine implements at least one of a Radio Link Control (RLC) layer, a Medium Access Control (MAC) layer, and a higher physical (PHY-high) layer.

A method for wireless communication, comprising:

• transmitting a first downlink signal by a first virtualized radio unit;
• transmitting a second downlink signal by a second virtualized radio unit,
• wherein prior to transmission the first and second downlink signals are processed by one or more virtual machines shared by both the first and second radio units, and
• wherein a first virtual machine implements at least one of a lower physical layer (PHY-Low), an analog-to-digital converter (ADC), a digital-to-analog converter (DAC), and a radio frequency (RF) transceiver, and
• wherein a second virtual machine implements at least one of a Radio Link Control (RLC) layer, a Medium Access Control (MAC) layer, and a higher physical (PHY-high) layer.