Interfacing 2G and 3G cellular radio communication systems to a packet-based eCPRI/RoE/O-RAN compliant front haul interface
There is provided, an open radio access network distributed unit (O-DU) having an electronic module that performs an FS-8 Radio Access Technology (RAT) functionality such as frequency hopping, downlink (DL) carrier aggregation, uplink (UL) channelization, power control, and fast automatic gain control (AGC).
1. An open radio access network distributed unit (O-DU) comprising an electronic module that performs an FS-8 Radio Access Technology (RAT) functionality selected from the group consisting of:
frequency hopping;
downlink (DL) carrier aggregation;
uplink (UL) channelization;
power control; and
fast automatic gain control (AGC);
wherein the O-DU is adapted to provide,
a joint UL component carrier channelizer;
frequency hopping for 2G FS-8 RAT;
power control and AGC for FS-8 RAT;
sample rate conversation over an O-RAN compliant fronthaul carried IQ.
2. The O-DU of claim 1 , further comprising a numerically controlled oscillator and a gain multiplication block for DL frequency hopping for 2G FS-8 RAT.
3. The O-DU of claim 1 , further comprising:
channelization stages for further processing in an UL direction to achieve multiple transmit-receive chain (TRX) via an antenna.
4. The O-DU of claim 3 , wherein said antenna has component carriers from the FS-8 RAT.
5. The O-DU of claim 3 , wherein said antenna has component carriers from different FS-8 RATs.
6. The O-DU of claim 1 , adapted to map a 2G signal to a long-term evolution (LTE) bandwidth equivalent analog stream.
7. An open radio access network distributed unit (O-DU) comprising an electronic module that performs an FS-8 Radio Access Technology (RAT) functionality selected from the group consisting of:
frequency hopping;
downlink (DL) carrier aggregation;
uplink (UL) channelization;
power control; and
fast automatic gain control (AGC); and
a numerically controlled oscillator and a gain multiplication block for DL frequency hopping for 2G FS-8 RAT, wherein the O-DU is adapted to provide;
a joint component carrier channelizer;
frequency hopping for 2G FS-8 RAT;
power control and AGC for FS-8 RAT; and
sample rate conversions over an O-RAN compliant fronthaul carried IQ data.
8. The O-DU of claim 7 , further comprising:
channelization stages for further processing in an UL direction to achieve multiple transmit-receive chain (TRX) via an antenna.
9. The O-DU of claim 8 , wherein said antenna has component carriers from an FS-8 RAT.
10. The O-DU of claim 8 , wherein said antenna has component carriers from different FS-8 RATs.
11. The O-DU of claim 7 , adapted to map a 2G signal to a long-term evolution (LTE) bandwidth equivalent analog stream.
12. An open radio access network distributed unit (O-DU) comprising an electronic module that performs an FS-8 Radio Access Technology (RAT) functionality selected from the group consisting of:
frequency hopping;
downlink (DL) carrier aggregation;
uplink (UL) channelization;
power control; and
fast automatic gain control (AGC);
wherein the O-DU is adapted to use different radio frequency (RF) frequencies for each of a plurality of antennas to split a 2G bandwidth across said plurality of antennas in multiples of long-term evolution (LTE) equivalent bandwidths.
13. An open radio access network distributed unit (O-DU) comprising an electronic module that performs an FS-8 Radio Access Technology (RAT) functionality selected from the group consisting of:
frequency hopping;
downlink (DL) carrier aggregation;
uplink (UL) channelization;
power control; and
fast automatic gain control (AGC); and
a numerically controlled oscillator and a gain multiplication block for DL frequency hopping for 2G FS-8 RAT, wherein the O-DU is adapted to use different radio frequency (RF) frequencies for each of a plurality of antennas to split a 2G bandwidth across said plurality of antennas in multiples of long-term evolution (LTE) equivalent bandwidths.