System and method for advanced spatial modulation in 5G systems

1. A method comprising:

a joint modulation controller of a transmitter receiving at least one operating condition parameter of the transmitter, channel state information, and channel rank information;

the joint modulation controller determining at least one diversity order and antenna selection factor based on the received at least one operating condition parameter;

receiving as input at the transmitter a set of information bits;

dividing the set of information bits into a plurality of groups, wherein at least one group is either a signal space keying group or a radiation pattern/polarization group having size limited by the diversity order determined by the joint modulation controller;

mapping a first group to a plurality of signal space based modulation formats;

mapping the at least one group and each other group to a control signal for a configurable feature of a transmitter system;

generating and modulating a plurality of base signals according to the mapping of the first group onto the modulation format, each of the plurality of base signals generated by a selected number of transmit radio frequency chains using spatial multiplexing, the selected number of transmit radio frequency chains being based on the channel rank information;

configuring at least one configurable feature of a configurable antenna of the transmitter system based on the control signal; and

transmitting the modulated signal from the configured at least one configurable antenna.

2. The method of claim 1 , further comprising the joint modulation controller, based on the received at least one operating condition parameter, selecting a bit grouping method that treats all information bits equally by one or more coding groups.

3. The method of claim 1 , further comprising the joint modulation controller, based on the received at least one operating condition parameter, selecting a bit grouping method that treats information bits differently by selected particular coding groups.

4. The method of claim 1 , further comprising the joint modulation controller, based on the received at least one operating condition parameter, selecting a single encoder to encode all of the groups of bits.

5. The method of claim 1 , further comprising the joint modulation controller, based on the received at least one operating condition parameter, selecting a plurality of encoders to encode the groups of bits, wherein at least one group is encoded with a first encoder and at least one group is encoded with a second encoder.

6. The method of claim 1 , further comprising, wherein each of the groups of bits are priority encoded into a plurality of prioritized data streams, the joint modulation controller allocating each of the plurality of prioritized data streams to a modulation dimension of the transmitter based on the received at least one operating condition parameter and the priority of each data stream.

7. The method of claim 1 , wherein one of the plurality of groups is size limited to a number of configurations in a subset of antenna configurations of all possible antenna configurations, the subset based on the joint modulation controller applying the diversity order and selection.

8. The method of claim 1 , wherein one of the plurality of groups is size limited to a number of antennas in a subset of antennas of all possible antennas, the subset based on the joint modulation controller applying the diversity order and selection.

9. The method of claim 1 , wherein one of the plurality of groups is size limited to a number of frequency subcarriers in a subset of frequency subcarriers of all possible frequency subcarriers, the subset based on the joint modulation controller applying the diversity order and selection.

10. The method of claim 1 , wherein the at least one operating condition parameter comprises a spectral efficiency requirement.

11. The method of claim 1 , wherein the at least one operating condition parameter comprises a spectral modulation based distance metric.

12. The method of claim 1 , wherein the at least one operating condition parameter comprises channel coherence time.

13. The method of claim 1 , wherein the determined at least one diversity order and selection factor configures a plurality of modulators and transmit modes based on the at least one operating condition parameter to reduce a number of potential transmission mode candidates based on the at least one operating condition parameter.

14. A system comprising a processor and a non-transitory storage medium storing instructions operative, when executed on the processor, to perform functions including:

receiving at least one operating condition parameter of a transmitter system, channel state information, and channel rank information;

determining at least one diversity order and antenna selection factor based on the received channel state information and at least one operating condition parameter;

receiving as input at the transmitter system a set of information bits;

dividing the set of information bits into a plurality of groups, wherein at least one group is either a signal space keying group or a radiation pattern/polarization group having a size limited by the determined diversity order;

mapping a first group to a plurality of signal space based modulation formats;

mapping the at least one group and each other group to a control signal for a configurable feature of the transmitter system;

generating and modulating a plurality of base signals according to the mapping of the first group onto the modulation format, each of the plurality of base signals generated by a selected number of transmit radio frequency chains using spatial multiplexing, the selected number of transmit radio frequency chains being based on the channel rank information;

configuring at least one configurable feature of a configurable antenna of the transmitter system based on the control signal; and

transmitting the modulated signal from the configured at least one configurable antenna.