Determining channel state information in advanced networks
Facilitating a determination of channel state information for advanced networks (e.g., 4G, 5G, and beyond) is provided herein. Operations of a system can comprise configuring a mobile device with a demodulation reference signal. The operations can also comprise transmitting a channel state information reference signal to the mobile device, wherein the channel state information reference signal configures a number of channel state information reference signal ports. Operations of another system can comprise determining a number of resources for a group of transmission ranks and determining a link quality metric for transmission ranks of the group of transmission ranks. The operations can also comprise selecting a transmission rank and a precoding matrix indicator and transmitting the precoding matrix indicator to a network device.
1. A method, comprising:
determining, by a mobile device comprising a processor, a number of resources for a group of transmission ranks;
determining, by the mobile device, respective link quality metrics for the transmission ranks of the group of the transmission ranks; and
selecting, by the mobile device, a transmission rank from the group of the transmission ranks and a precoding matrix indicator, resulting in a selected precoding matrix indicator, wherein the selecting comprises selecting the transmission rank based on capacity information determined for the transmission rank satisfying a defined capacity information threshold, and wherein the capacity information is indicative of a data carrying capacity for the transmission rank.
2. The method of claim 1 , wherein the selecting comprises using mutual information for a first selection of the transmission rank and a second selection of the precoding matrix indicator.
3. The method of claim 2 , further comprising:
determining, by the mobile device, channel quality indicator information based on the transmission rank and the precoding matrix indicator.
4. The method of claim 1 , wherein the selecting comprises using a capacity-based approach.
5. The method of claim 1 , wherein the selecting comprises selecting the transmission rank from the group of the transmission ranks, and wherein resource blocks of the transmission ranks in the group of the transmission ranks comprise respective overhead values.
6. The method of claim 1 , wherein the selecting comprises selecting the transmission rank based on mutual information per symbol determined as a function of post-processing signal to interference plus noise ratio for the transmission ranks of the group of the transmission ranks.
7. The method of claim 1 , further comprising:
transmitting, by the mobile device, the selected precoding matrix indicator to a network device of a group of network devices of a communications network, wherein the transmitting is via a fifth generation communications network.
8. The method of claim 7 , wherein the transmitting comprises transmitting the precoding matrix indicator via an uplink channel configured to operate according to a fifth generation wireless network communication protocol.
9. A system, comprising:
a processor; and
a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising:
determining, for transmission ranks of a group of transmission ranks, a number of resources and respective link quality metrics; and
choosing, a transmission rank from the group of transmission ranks and a precoding matrix indicator from a group of precoding matrix indicators, wherein the choosing comprises choosing the transmission rank based on capacity information determined for the transmission rank satisfying a defined capacity information threshold, and wherein the capacity information is indicative of a data carrying capacity for the transmission rank.
10. The system of claim 9 , wherein the operations further comprise facilitating a first selection of the transmission rank and a second selection of the precoding matrix indicator based on mutual information per symbol determined as a function of post-processing signal to interference plus noise ratio for the transmission ranks of the group of transmission ranks.
11. The system of claim 9 , wherein the operations further comprise facilitating a choice of the transmission rank and the precoding matrix indicator based on a capacity-based approach.
12. The system of claim 9 , wherein the operations further comprise determining channel quality indicator information based on the transmission rank and the precoding matrix indicator.
13. The system of claim 9 , wherein the operations further comprise:
facilitating a transmission of the precoding matrix indicator, selected from the group of precoding matrix indicators, to a network device of a group of network devices in a communications network.
14. The system of claim 13 , wherein the operations further comprise transmitting the precoding matrix indicator via an uplink channel configured to operate according to a fifth generation wireless network communication protocol.
15. The method of claim 1 , wherein the mobile device is configured to operate according to a fifth generation communications protocol.
16. A non-transitory machine-readable medium, comprising executable instructions that, when executed by a processor, facilitate performance of operations, comprising:
determining a number of resources for a group of transmission ranks;
determining, respective link quality metrics for the transmission ranks of the group of the transmission ranks; and
selecting a transmission rank from the group of the transmission ranks and a precoding matrix indicator, resulting in a selected precoding matrix indicator, wherein the selecting comprises selecting the transmission rank based on capacity information determined for the transmission rank satisfying a defined capacity information threshold, and wherein the capacity information is indicative of a data carrying capacity for the transmission rank.
17. The non-transitory machine-readable medium of claim 16 , wherein the selecting comprises selecting the transmission rank and the precoding matrix indicator comprises using mutual information for a first selection of the transmission rank and a second selection of the precoding matrix indicator.
18. The non-transitory machine-readable medium of claim 16 , wherein the operations further comprise:
determining channel quality indicator information based on the transmission rank and the precoding matrix indicator.
19. The non-transitory machine-readable medium of claim 16 , wherein the operations further comprise:
transmitting the selected precoding matrix indicator to network equipment.
20. The non-transitory machine-readable medium of claim 19 , wherein the network equipment is configured to operate according to a fifth generation communications protocol, and wherein the transmitting is via a fifth generation communications network.