Cooperative multiple access in wireless networks
A cooperative cluster of wireless nodes exchange data before cooperatively communicating with a destination node over a MIMO channel. In a cooperative cluster of M nodes, each node shares 1/M of its own data with each of the other nodes, and keeps 1/M of its own data for transmission. Each node receives 1/M of data from each cooperative node. The data is merged at each cooperative node, and transmitted to the destination node.
1. A method for use with a wireless user device, the method comprising:
identifying a first packet of data to be communicated from the wireless user device to a destination node, the first packet of data comprising M parts, and the wireless user device comprising part of a cooperative cluster comprising M cooperating wireless user devices including the wireless user device in which M is an integer greater than 2;
transmitting a different part of the first packet of data to of the M−1 other cooperating wireless user devices in the cluster, one of the M parts of the first packet of data remaining with the wireless user device;
receiving cooperative data from the at least one of the M−1 other cooperating wireless user devices in the cluster;
combining the received cooperative data and the remaining part of the first packet of data to form a transmit packet; and
transmitting the transmit packet to the destination node.
2. The method of claim 1 , wherein transmitting the different parts part of the first packet to each of the M−1 other cooperating wireless user devices and transmitting the transmit packet comprise transmitting in the same frequency spectrum.
3. The method of claim 1 , wherein transmitting the different parts part of the first packet to each of the M−1 other cooperating wireless user devices and transmitting the transmit packet comprise transmitting in different frequency spectrum.
4. The method of claim 1 , wherein receiving cooperative data comprises receiving one part of one packet of data from each of the M−1 other cooperating wireless user devices.
5. The method of claim 1 , further comprising joining the cooperative cluster prior to transmitting the different parts of the first packet of data to each of the M−1 other cooperating wireless user devices.
6. A method for use with a wireless user device, the method comprising:
identifying a first packet of data to be communicated from the wireless user device to a destination node, the first packet of data comprising M portions, and the wireless user device comprising part of a cluster comprising M cooperating wireless user devices including the wireless user device in which M is an integer greater than 2;
transmitting a different portion of the first packet of data to each of the other cooperating wireless user devices in the cluster, one of the M portions of the first packet of data remaining with the wireless user device;
receiving cooperative data from the other cooperating wireless user devices in the cluster;
combining the received cooperative data and the remaining portion of the first packet of data to form a transmit packet; and
transmitting the transmit packet to the destination node.
7. The method of claim 6 , wherein receiving comprises receiving 1/M of the cooperative data from each of the M−1 other cooperating wireless user devices.
8. The method of claim 6 , wherein combining further comprises interleaving.
9. A wireless device, comprising:
a processor to identify a first packet of data to be communicated from the wireless device to a destination node, the first packet of data comprising M parts, and the wireless device comprising part of a cooperative cluster comprising M cooperating wireless devices including the wireless device in which M is an integer greater than 2;
a transmitter to transmit a different part of the first packet of data to each of the M−1 other cooperating wireless devices in the cluster, one of the M parts of the first packet of data remaining with the wireless device;
a receiver to receive 1/M of a data packet from each of M−1 cooperating wireless devices in a cooperative cluster; and
the transmitter to further transmit symbols corresponding to the merged bit stream.
10. The wireless device of claim 9 , further comprising an interleaver to interleave the merged bit stream.
11. The wireless device of claim 10 , further comprising a time-frequency coder to encode the merged bit stream.
12. The wireless device of claim 9 , wherein the wireless device comprises a wireless network station (STA).
13. The wireless device of claim 9 , wherein the wireless device comprises a laptop computer.
14. The wireless device of claim 9 , further comprising a patch antenna.
15. An article having a non-transitory machine-readable medium with instructions stored thereon that when accessed result in a wireless user device:
identifying a first packet of data to be communicated from the wireless user device to a destination node, the first packet of data comprising M portions, and the wireless user device comprising part of a cluster comprising M cooperating wireless user devices including the wireless user device in which M is an integer greater than 2;
transmitting a different portion of the first packet of data to each of the M−1 other cooperating wireless user devices in the cluster, one of the M portions of the first packet of data remaining with the wireless user device;
receiving cooperative data from the at least one of the M−1 other cooperating wireless user devices;
combining the cooperative data and the remaining portion of the first packet of data to form a transmit packet; and
transmitting the transmit packet to the destination node.
16. The article of claim 15 , wherein receiving comprises receiving 1/M of the cooperative data from each of the at least one of the M−1 other cooperating wireless user devices.