Method and apparatus of subchannelization of wireless communication system
A method and apparatus to transmit pilot subcarriers over uplink channels. The pilot subcarriers includes symbols which hierarchically structured. The symbol includes a first split of at least two fractional frequency reuse (FFR) groups, a second split of a fractional frequency reuse (FFR) group to a distributed resource group and localized resource group and a third split of said distributed resource group and localized resource group into plurality of subchannels.
1. A method comprising:
transmitting over an uplink channel two or more symbols, wherein said symbol is hierarchically structured and includes a first split of at least one or more fractional frequency reuse (FFR) groups, a second split of at least one of the fractional frequency reuse (FFR) groups to a distributed resource group and a localized resource group and a third split of said distributed resource group and localized resource group into plurality of subchannels.
2. The method of claim 1 , wherein the first split comprises:
distributing a physical resource unit (PRU) to two or more frequency partitions.
3. The method of claim 2 , further comprising:
distributing said physical resource unit (PRU) to at least one of the localized groups and distributed groups.
4. The method of claim 1 , wherein the first split comprises:
allocating resources that substantially uniformly spread over a desired frequency bandwidth; and
distributing the at least one or more fractional frequency reuse (FFR) groups.
5. The method of claim 1 , wherein the first split comprises:
distributing a plurality of subcarriers to the one or more fractional frequency reuse (FFR) groups; and
distributing two or more pilot subcarriers of the plurality of subcarriers to the one or more fractional frequency reuse (FFR) groups, separately.
6. The method of claim 1 , wherein the third split comprises:
distributing two or more subcarriers to two or more of the subchannels.
7. The method of claim 1 comprising:
transmitting a predetermined type of pilot stream pattern, wherein the predetermined type of pilot stream pattern is selected from a predetermined number of interlaced pilot patterns.
8. The method of claim 1 comprising,
transmitting using multiple input multiple output transmitting techniques.
9. An apparatus comprising:
subchannelization and symbol mapping processor to perform symbol mapping to map two or more uplink subcarriers to a resource unit and to two or more subchannels.
10. The apparatus of claim 9 , wherein the subchannelization and symbol mapping processor is configured to apply at least three level of processing for said symbol mapping and a first level of the three level processing includes distributing a physical resources unit to first and second frequency partitions.
11. The apparatus of claim 10 , wherein a second level comprises:
dividing the first and second frequency partition to localized resource unit and to distributed resource unit.
12. The apparatus of claim 10 , wherein a third level comprises:
mapping two or more logical resource units to two or more of the two or more subchannels.
13. A wireless communication device comprising:
subchannelization and symbol mapping processor to perform symbol mapping to map two or more uplink subcarriers to a resource unit and to two or more subchannels; and
a transmitter to transmit the two or more subchannels.
14. The wireless communication device of claim 13 , wherein the subchannelization and symbol mapping processor is configured to apply at least three level of processing for said symbol mapping and a first level of the three level processing includes distributing a physical resources unit to first and second frequency partitions.
15. The wireless communication device of claim 14 , wherein a second level comprises:
dividing the first and second frequency partition to localized resource unit and to distributed resource unit.
16. The wireless communication device of claim 14 , wherein a third level comprises:
mapping two or more logical resource units to two or more of the two or more subchannels.
17. The wireless communication device of claim 13 , comprising:
a multiple input multiple output controller to distribute a predetermined type of pilot stream patterns to the transmitter.
18. The wireless communication device of claim 17 , wherein the predetermined type of pilot stream patterns comprises a predetermine number of interlaced pilot patterns.
19. A wireless communication device comprising:
subchannelization and symbol mapping processor to perform symbol mapping to map two or more uplink subcarriers to a resource unit and to two or more subchannels; and
a transmitter operably coupled to a dipole antenna to transmit the two or more subchannels.
20. The wireless communication device of claim 19 , wherein the subchannelization and symbol mapping processor is configured to apply at least three level of processing for said symbol mapping and a first level of the three level processing includes distributing a physical resources unit to first and second frequency partitions.
21. The wireless communication device of claim 20 , wherein a second level comprises:
dividing the first and second frequency partition to localized resource unit and to distributed resource unit.
22. The wireless communication device of claim 20 , wherein a third level comprises:
mapping two or more logical resource units to two or more of the two or more subchannels.
23. The wireless communication device of claim 19 , comprising:
a multiple input multiple output controller to distribute a predetermined type of pilot stream patterns to the transmitter.
24. A wireless communication system comprising:
a wireless communication device including a subchannelization and symbol mapping processor to perform symbol mapping to map two or more uplink subcarriers to a resource unit and to two or more subchannels; and
a transmitter to transmit the two or more subchannels to a one or more cells.
25. The wireless communication system of claim 24 , wherein the subchannelization and symbol mapping processor is configured to apply at least three level of processing for said symbol mapping and a first level of the three level processing includes distributing a physical resources unit to first and second frequency partitions.
26. The wireless communication system of claim 25 , wherein a second level comprises:
dividing the first and second frequency partition to localized resource unit and to distributed resource unit.
27. The wireless communication system of claim 25 , wherein a third level comprises:
mapping two or more logical resource units to two or more of the two or more subchannels.
28. The wireless communication system of claim 24 , comprising:
a multiple input multiple output controller to distribute a predetermined type of pilot stream patterns to the transmitter.
29. The wireless communication system of claim 28 , wherein the predetermined type of pilot stream patterns comprises a selected pilot pattern which selected from a predetermine number of interlaced pilot patterns based on the one or more cells.
30. The wireless communication system of claim 28 , wherein the predetermined type of pilot stream patterns comprises:
a tile size of six subcarriers by six symbols, wherein at least four pilot patterns of a first stream are located at a first subcarrier in a first and fifth symbol, and at a sixth subcarrier in a second and a sixth symbol, and at least four pilot pattern of a second stream are located at the sixth subcarrier in the first and a fifth symbol, and the first subcarrier in a second and a sixth symbol.