1. A method of supporting multimedia broadcastmulticast services (MBMS), comprising:
determining scheduling information for a plurality of MBMS services;
generating a bitmap based on the scheduling information; and
sending at least the bitmap to convey the scheduling information.
2. The method of claim 1, wherein the scheduling information indicates whether each of the plurality of MBMS services is scheduled in a current scheduling period.
3. The method of claim 1, wherein the bitmap comprises a bit for each of the plurality of MBMS services, and wherein the bit for each MBMS service is set to a first value to indicate the MBMS service being scheduled or to a second value to indicate the MBMS service not being scheduled.
4. The method of claim 1, wherein the plurality of MBMS services include all MBMS services supported by a cell.
5. The method of claim 1, further comprising:
selecting a group of MBMS services among a plurality of groups of MBMS services formed for all MBMS services supported by a cell, wherein the selected group includes the plurality of MBMS services; and
sending information indicating the selected group.
6. The method of claim 5, wherein only one of the plurality of groups of MBMS services is selected in each scheduling period, and wherein only MBMS services in the selected group are scheduled.
7. The method of claim 5, further comprising:
selecting at least one additional group of MBMS services among the plurality of groups of MBMS services;
generating at least one additional bitmap based on scheduling information for the at least one additional group of MBMS services; and
sending information indicating the at least one additional group and the at least one additional bitmap to convey the scheduling information for the at least one additional group of MBMS services.
8. The method of claim 5, wherein the plurality of groups of MBMS services are formed for a plurality of multimedia broadcast single frequency network (MBSFN) areas, with each group including MBMS services for one MBSFN area.
9. The method of claim 5, wherein each supported MBMS service is placed in only one of the plurality of groups.
10. The method of claim 5, wherein each supported MBMS service is placed in one or more of the plurality of groups.
11. An apparatus for supporting multimedia broadcastmulticast services (MBMS), comprising:
means for determining scheduling information for a plurality of MBMS services;
means for generating a bitmap based on the scheduling information; and
means for sending at least the bitmap to convey the scheduling information.
12. The apparatus of claim 11, wherein the bitmap comprises a bit for each of the plurality of MBMS services, and wherein the bit for each MBMS service is set to a first value to indicate the MBMS service being scheduled or to a second value to indicate the MBMS service not being scheduled.
13. The apparatus of claim 11, wherein the plurality of MBMS services include all MBMS services supported by a cell.
14. The apparatus of claim 11, further comprising:
means for selecting a group of MBMS services among a plurality of groups of MBMS services formed for all MBMS services supported by a cell, wherein the selected group includes the plurality of MBMS services; and
means for sending information indicating the selected group.
15. The apparatus of claim 14, further comprising:
means for selecting at least one additional group of MBMS services among the plurality of groups of MBMS services;
means for generating at least one additional bitmap based on scheduling information for the at least one additional group of MBMS services; and
means for sending information indicating the at least one additional group and the at least one additional bitmap to convey the scheduling information for the at least one additional group of MBMS services.
16. An apparatus for supporting multimedia broadcastmulticast services (MBMS), comprising:
at least one processor configured to determine scheduling information for a plurality of MBMS services, to generate a bitmap based on the scheduling information, and to send at least the bitmap to convey the scheduling information.
17. The apparatus of claim 16, wherein the bitmap comprises a bit for each of the plurality of MBMS services, and wherein the bit for each MBMS service is set to a first value to indicate the MBMS service being scheduled or to a second value to indicate the MBMS service not being scheduled.
18. The apparatus of claim 16, wherein the plurality of MBMS services include all MBMS services supported by a cell.
19. The apparatus of claim 16, wherein the at least one processor is configured to select a group of MBMS services among a plurality of groups of MBMS services formed for all MBMS services supported by a cell, wherein the selected group includes the plurality of MBMS services, and to send information indicating the selected group.
20. The apparatus of claim 19, wherein the at least one processor is configured to select at least one additional group of MBMS services among the plurality of groups of MBMS services, to generate at least one additional bitmap based on scheduling information for the at least one additional group of MBMS services, and to send information indicating the at least one additional group and the at least one additional bitmap to convey the scheduling information for the at least one additional group of MBMS services.
21. A computer program product, comprising:
a non-transitory computer-readable medium comprising:
code for causing at least one computer to determine scheduling information for a plurality of multimedia broadcastmulticast services (MBMS) services,
code for causing the at least one computer to generate a bitmap based on the scheduling information, and
code for causing the at least one computer to send at least the bitmap to convey the scheduling information.
22. A method of receiving multimedia broadcastmulticast services (MBMS), comprising:
receiving a bitmap used to convey scheduling information for a plurality of MBMS services; and
determining whether at least one MBMS service among the plurality of MBMS services is scheduled based on the bitmap.
23. The method of claim 22, wherein the scheduling information indicates whether each of the plurality of MBMS services is scheduled in a current scheduling period.
24. The method of claim 22, wherein the determining whether the at least one MBMS service is scheduled comprises
determining at least one bit of the bitmap to which the at least one MBMS service is mapped, wherein the bitmap comprises a bit for each of the plurality of MBMS services, and
determining whether each of the at least one MBMS service is scheduled based on a value of a corresponding one of the at least one bit of the bitmap.
25. The method of claim 22, wherein the plurality of MBMS services include all MBMS services supported by a cell.
26. The method of claim 22, further comprising:
receiving information indicating a selected group of MBMS services among a plurality of groups of MBMS services formed for all MBMS services supported by a cell, and wherein the selected group includes the plurality of MBMS services.
27. The method of claim 26, further comprising:
receiving information indicating at least one additional group of MBMS services among the plurality of groups of MBMS services;
receiving at least one additional bitmap for the at least one additional group of MBMS services; and
determining whether at least one additional MBMS service in the at least one additional group is scheduled based on the at least one additional bitmap.
28. An apparatus for receiving multimedia broadcastmulticast services (MBMS), comprising:
means for receiving a bitmap used to convey scheduling information for a plurality of MBMS services; and
means for determining whether at least one MBMS service among the plurality of MBMS services is scheduled based on the bitmap.
29. The apparatus of claim 28, wherein the means for determining whether the at least one MBMS service is scheduled comprises
means for determining at least one bit of the bitmap to which the at least one MBMS service is mapped, wherein the bitmap comprises a bit for each of the plurality of MBMS services, and
means for determining whether each of the at least one MBMS service is scheduled based on a value of a corresponding one of the at least one bit of the bitmap.
30. The apparatus of claim 28, wherein the plurality of MBMS services include all MBMS services supported by a cell.
31. The apparatus of claim 28, further comprising:
means for receiving information indicating a selected group of MBMS services among a plurality of groups of MBMS services formed for all MBMS services supported by a cell, and wherein the selected group includes the plurality of MBMS services.
32. The apparatus of claim 31, further comprising:
means for receiving information indicating at least one additional group of MBMS services among the plurality of groups of MBMS services;
means for receiving at least one additional bitmap for the at least one additional group of MBMS services; and
means for determining whether at least one additional MBMS service in the at least one additional group is scheduled based on the at least one additional bitmap.
33. An apparatus for receiving multimedia broadcastmulticast services (MBMS), comprising:
at least one processor configured to receive a bitmap used to convey scheduling information for a plurality of MBMS services, and to determine whether at least one MBMS service among the plurality of MBMS services is scheduled based on the bitmap.
34. A computer program product, comprising:
a non-transitory computer-readable medium comprising:
code for causing at least one computer to receive a bitmap used to convey scheduling information for a plurality of multimedia broadcastmulticast services (MBMS) services, and
code for causing the at least one computer to determine whether at least one MBMS service among the plurality of MBMS services is scheduled based on the bitmap.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for semiconductor processing, the method comprising:
fabricating photonic and electronic devices in a single complementary metal-oxide semiconductor (CMOS) wafer with different silicon layer thicknesses for said photonic and said electronic devices.
2. The method according to claim 1, comprising fabricating said electronic and photonic devices on a semiconductor-on-insulator (SOI) wafer utilizing a bulk CMOS process.
3. The method according to claim 1, comprising fabricating said electronic and photonic devices on a SOI wafer utilizing a SOI CMOS process.
4. The method according to claim 3, comprising fabricating said different silicon layer thicknesses utilizing a double SOI process.
5. The method according to claim 3, comprising fabricating said different silicon layer thicknesses utilizing a selective area growth process.
6. The method according to claim 1, comprising fabricating cladding layers for said photonic devices utilizing one or more oxygen implants into said CMOS wafer.
7. The method according to claim 1, comprising fabricating cladding layers for said photonic devices utilizing CMOS trench oxide on said CMOS wafer.
8. The method according to claim 7, comprising depositing silicon material for said photonic devices on said CMOS trench oxide utilizing epitaxial lateral overgrowth.
9. The method according to claim 1, comprising fabricating cladding layers for said photonic devices utilizing selective backside etching regions of said CMOS wafer below said photonic devices.
10. The method according to claim 9, comprising fabricating reflective surfaces for said photonic devices by depositing metal on said selectively etched regions of said CMOS wafer.
11. The method according to claim 9, comprising utilizing silicon dioxide integrated in said CMOS wafer using oxygen implant as an etch stop layer for said backside etching.
12. The method according to claim 9, comprising utilizing silicon germanium integrated in said CMOS wafer as an etch stop layer for said backside etching.
13. A system for semiconductor processing, the system comprising:
photonic and electronic devices fabricated in a single complementary metal-oxide semiconductor (CMOS) wafer having different silicon layer thicknesses for said photonic and said electronic devices.
14. The system according to claim 13, wherein said electronic and photonic devices are fabricated on a semiconductor-on-insulator (SOI) wafer utilizing a bulk CMOS process.
15. The system according to claim 13, wherein said electronic and photonic devices are fabricated on a SOI wafer utilizing a SOI CMOS process.
16. The system according to claim 15, wherein said different silicon layer thicknesses are fabricated utilizing a double SOI process.
17. The system according to claim 15, wherein said different silicon layer thicknesses are fabricated utilizing a selective area growth process.
18. The system according to claim 13, wherein said cladding layers for said photonic devices are fabricated utilizing one or more oxygen implants into said CMOS wafer.
19. The system according to claim 13, wherein said cladding layers for said photonic devices are fabricated utilizing CMOS trench oxide on said CMOS wafer.
20. The system according to claim 19, wherein said silicon material for said photonic devices is deposited on said CMOS trench oxide utilizing epitaxial lateral overgrowth.
21. The system according to claim 13, wherein said cladding layers for said photonic devices are fabricated utilizing selective backside etching regions of said CMOS wafer below said photonic devices.
22. The system according to claim 21, wherein reflective surfaces for said photonic devices are fabricated by depositing metal on said selectively etched regions of said CMOS wafer.
23. The system according to claim 21, wherein said backside etched regions are fabricated utilizing silicon dioxide integrated in said CMOS wafer using oxygen implant as an etch stop layer.
24. The system according to claim 21, wherein said backside etched regions are fabricated utilizing silicon germanium integrated in said CMOS wafer as an etch stop layer for said backside etching.
25. A method for semiconductor processing, the method comprising:
fabricating photonic and electronic devices in two complementary metal-oxide semiconductor (CMOS) wafers with different silicon layer thicknesses for said photonic and said electronic devices by bonding at least a portion of each of said wafers together, wherein a first of said CMOS wafers comprises said photonic devices and a second of said CMOS wafers comprises said electronic devices.
26. The method according to claim 25, comprising electrically coupling one or more of said electrical devices to one or more of said optical devices utilizing through-silicon vias.
27. A system for semiconductor processing, the system comprising:
photonic and electronic devices that are fabricated in two complementary metal-oxide semiconductor (CMOS) wafers having different silicon layer thicknesses for said photonic and said electronic devices by bonding at least a portion of each of said wafers together, wherein a first of said CMOS wafers comprises said photonic devices and a second of said CMOS wafers comprises said electronic devices.
28. The system according to claim 27, wherein one or more of said electrical devices is electrically coupled to one or more of said optical devices utilizing through-silicon vias.
29. A method for semiconductor processing, the method comprising:
fabricating photonic and electronic devices in a single semiconductor-on-insulator (SOI) complementary metal-oxide semiconductor (CMOS) wafer utilizing a bulk CMOS process, wherein a silicon layer thickness in said SOI CMOS wafer enables bulk CMOS transistors and optical devices.
30. A system for semiconductor processing, the system comprising:
photonic and electronic devices that are fabricated in a single semiconductor-on-insulator (SOI) complementary metal-oxide semiconductor (CMOS) wafer utilizing a bulk CMOS process, wherein a silicon layer thickness in said SOI CMOS wafer enables bulk CMOS transistors and optical devices.