Systems and methods for uplink frequency selective precoding

1 . A method comprising:

receiving, by a wireless communication device from a wireless communication node, a first signaling that includes a plurality of precoding information associated with a plurality of port groups;

receiving, by the wireless communication device from the wireless communication node, a second signaling including mapping information associating each of the plurality of precoding information with a corresponding one of the plurality of port groups;

determining, by the wireless communication device, signals precoded according to the plurality of precoding information;

receiving, by the wireless communication device from the wireless communication node, a configuration including a codebook type; and

transmitting, by the wireless communication device to the wireless communication node, the signals.

2 . The method of claim 1 , comprising:

sending, by the wireless communication device to the wireless communication node, capability reporting of the wireless communication device, which includes information comprising at least one of: a number of port groups, or a number of ports per port group.

3 . The method of claim 1 , wherein the signals comprise a physical uplink shared channel (PUSCH).

4 . The method of claim 1 ,

wherein the configuration further includes a combination of one or more port groups, or codebook type.

5 . The method of claim 4 , wherein the combination of one or more port groups comprises at least one of: {1 antenna port, 1 antenna ports, 1 antenna port, 1 antenna port, 1 antenna ports, 1 antenna port, 1 antenna ports, 1 antenna port}, {2 antenna ports, 2 antenna ports, 2 antenna ports, 2 antenna ports}, {4 antenna ports, 4 antenna ports} or {8 antenna ports}.

6 . The method of claim 1 , further comprising:

transmitting, by the wireless communication device via N antenna ports, the signals precoded according to the precoding information, wherein:

when N is 8, the N antenna ports are formed from a combination of ports groups of {1 antenna port, 1 antenna ports, 1 antenna port, 1 antenna port, 1 antenna ports, 1 antenna port, 1 antenna ports, 1 antenna port}, {2 antenna ports, 2 antenna ports, 2 antenna ports, 2 antenna ports}, {4 antenna ports, 4 antenna ports} or {8 antenna ports}.

7 . The method of claim 1 , further comprising:

receiving, by the wireless communication device from the wireless communication node, the first signaling including at least one of:

a single modulation and coding scheme (MCS) per codeword or transmission block.

8 . A method comprising:

transmitting, by a wireless communication node to a wireless communication device, a first signaling that includes a plurality of precoding information associated with a plurality of port groups;

transmitting, by the wireless communication node to the wireless communication device, a second signaling including mapping information associating each of the plurality of precoding information with a corresponding one of the plurality of port groups;

transmitting, by the wireless communication node to the wireless communication device, a configuration including a codebook type; and

receiving, by the wireless communication node from the wireless communication device, signals precoded by the wireless communication device according to the plurality of precoding information.

9 . A wireless communication device, comprising:

at least one processor configured to:

receive, via a transceiver from a wireless communication node, a first signaling that includes a plurality of precoding information associated with a plurality of port groups;

receive, via the transceiver from the wireless communication node, a second signaling including mapping information associating each of the plurality of precoding information with a corresponding one of the plurality of port groups;

determine signals precoded according to the plurality of precoding information;

receive, via the transceiver from the wireless communication node, a configuration including a codebook type; and

transmit, via the transceiver to the wireless communication node, the signals,

receive, via the transceiver, the configuration further including a combination of one or more port groups.

10 . A wireless communication node, comprising:

at least one processor configured to:

transmit, via a transceiver to a wireless communication device, a first signaling that includes a plurality of precoding information associated with a plurality of port groups;

transmit, via the transceiver to the wireless communication device, a second signaling including mapping information associating each of the plurality of precoding information with a corresponding one of the plurality of port groups;

transmit, via the transceiver to the wireless communication device, a configuration including a codebook type; and

receive, via the transceiver from the wireless communication device, signals precoded by the wireless communication device according to the plurality of precoding information.

11 . The wireless communication node of claim 10 , wherein the at least one processor is configured to:

send, via the transceiver to the wireless communication node, capability reporting of the wireless communication device, which includes information comprising at least one of: a number of port groups or a number of ports per port group.

12 . The wireless communication node of claim 10 , wherein the signals comprise a physical uplink shared channel (PUSCH).

13 . The wireless communication node of claim 10 , wherein the at least one processor is configured to:

receiving, by the wireless communication device from the wireless communication node, the first signaling including at least one of:

a single modulation and coding scheme (MCS) per codeword or transmission block.

14 . The wireless communication node of claim 13 , wherein the combination of one or more port groups comprises at least one of: {1 antenna port, 1 antenna ports, 1 antenna port, 1 antenna port, 1 antenna ports, 1 antenna port, 1 antenna ports, 1 antenna port}, {2 antenna ports, 2 antenna ports, 2 antenna ports, 2 antenna ports}, {4 antenna ports, 4 antenna ports} or {8 antenna ports}.