Massive cooperative multipoint network operation
Methods, systems and devices for massive cooperative multipoint network operation are described. One example method for wireless communication includes transmitting, by a network node serving a plurality of mobile devices in a surrounding area, channel condition information and scheduling information for one or more of the plurality of mobile devices to a network-side server, receiving, by the network node from the network-side server, control information for scheduling transmissions to or from each of the one or more of the plurality of mobile devices, and controlling, by the network node and based on the control information, a communication to or from the one or more of the plurality of mobile devices at a future time or a different frequency band or a different spatial direction.
1. A wireless communication method, comprising:
transmitting, by a network node serving a plurality of mobile devices in a surrounding area, channel condition information and scheduling information for one or more of the plurality of mobile devices to a network-side server, wherein the channel condition information comprises channel-coupling data between the network node and each of the one or more of the plurality of mobile devices, and wherein the scheduling information comprises a schedule;
receiving, by the network node from the network-side server, control information for scheduling transmissions to or from each of the one or more of the plurality of mobile devices, wherein the control information comprises one or more weighting coefficients, and wherein a derivation of the one or more weighting coefficients is based on the channel-coupling data and the schedule; and
controlling, by the network node and based on the control information, a communication to or from the one or more of the plurality of mobile devices at a future time or a different frequency band or a different spatial direction, wherein the communication uses a product of the one or more weighting coefficients and modulated symbols.
2. The method of claim 1 , wherein the network node is configured to provide wireless connectivity via N angular sectors covering the surrounding area, and wherein N is an integer.
3. The method of claim 2 , wherein the N angular sectors have equal sizes.
4. The method of claim 2 , wherein N=3.
5. The method of claim 1 , wherein controlling the communication is further based on a prediction process for determining channel conditions at the future time or the different frequency band or the different spatial direction.
6. The method of claim 1 , wherein the network node and the network-side server are communicatively coupled to each other via a millimeter wavelength based communication protocol.
7. The method of claim 1 , wherein the network node transmits and receives information from the network-side server over a network backbone connection.
8. The method of claim 1 , wherein the control information for scheduling transmissions received from the network-side server comprises channel precoding to be applied to each respective communication.
9. The method of claim 1 , wherein controlling the communication comprises predicting channel conditions at the future time or in the different frequency band or in the different spatial direction based on the control information.
10. The method of claim 1 , wherein the future time is at least three transmit time intervals (TTI) in future.
11. The method of claim 1 , wherein the communication between the network node and the plurality of mobile devices uses a frequency division duplexing (FDD) scheme.
12. A wireless communication method, comprising:
receiving, by a network-side server, channel condition information and scheduling information from at least one network node of a plurality of network nodes, the at least one network node configured to serve a plurality of mobile devices in a surrounding area, wherein the channel condition information comprises channel-coupling data between the at least one network node and each of the one or more of the plurality of mobile devices, and wherein the scheduling information comprises a schedule;
generating, based on the channel condition information and the scheduling information, control information for a communication between the at least one network node and each of the plurality of mobile devices, wherein the control information comprises one or more weighting coefficients, and wherein a derivation of the one or more weighting coefficients is based on the channel-coupling data and the schedule; and
transmitting, to the at least one network node, the control information to enable the communication at a future time or a different frequency band or a different spatial direction, wherein the communication uses a product of the one or more weighting coefficients and modulated symbols.
13. The method of claim 12 , wherein the at least one network node is configured to provide wireless connectivity via N angular sectors covering the surrounding area, and wherein N is an integer.
14. The method of claim 13 , wherein the N angular sectors have equal sizes.
15. The method of claim 13 , wherein N=3.
16. The method of claim 12 , further comprising:
determining, by the network-side server, a retransmission protocol to implement for transmissions at the future time, the different frequency band or the different spatial direction.