Fine-grain and backward-compliant resource allocation
There is provided fine-grain and backward-compliant resource allocation, comprising allocating, to a control channel, one of a first plurality of bandwidths being standardized for a first radio access standard, and allocating, to a data channel, one of a second plurality of bandwidths being standardized for a second radio access standard, the second bandwidths plurality exceeding the first bandwidths plurality in terms of at least one of granularity and range. The thus disclosed resource allocation may exemplarily be applied on a downlink.
1. A method, comprising
allocating, to a control channel for a communication device, one of a first plurality of bandwidths being standardized for a first radio access standard, wherein the communication device utilizes a second radio access standard to communicate for a service, and
allocating, to a data channel for the communication device to receive the service, one of a second plurality of bandwidths being standardized for the second radio access standard, wherein the second plurality of bandwidths exceeding the first plurality of bandwidths in terms of at least one of granularity and range, and the allocation of the data channel is identified in the control channel.
2. The method according to claim 1 , further comprising
scheduling a terminal to a bandwidth area of the allocated data channel,
wherein a terminal complying with the first radio access standard is scheduled to a bandwidth area of the first plurality of bandwidths being supported by the first radio access standard, and a terminal complying with the second radio access standard is scheduled to a bandwidth area of the second plurality of bandwidths being supported by the second radio access standard.
3. The method according to claim 1 , wherein the data channel allocation comprises
adjusting said one allocated bandwidth of the second plurality of bandwidths to an available bandwidth spectrum.
4. The method according to claim 1 , wherein the data channel allocation comprises
including control information being specific for a terminal to be scheduled at least into the allocated control channel within a bandwidth area of the first plurality of bandwidths being supported by the first radio access standard.
5. The method according to claim 4 , wherein the control information inclusion for a terminal complying with the first radio access standard or a terminal complying with the second radio access standard and fitting into a resource allocation control scheme according to the first radio access standard comprises
inserting, into the allocated control channel, the control information for resource allocation in the allocated data channel within a bandwidth area of the first plurality of bandwidths being supported by the first radio access standard.
6. The method according to claim 4 , wherein the control information inclusion for a terminal complying with the second radio access standard and not fitting into a resource allocation control scheme according to the first radio access standard comprises
inserting, into the allocated control channel, the control information for resource allocation in the allocated data channel within a bandwidth area of the second plurality of bandwidths being supported by the second radio access standard.
7. The method according to claim 4 , wherein the control information inclusion for a terminal complying with the second radio access standard and not fitting into a resource allocation control scheme according to the first radio access standard comprises
inserting, at least into the allocated control channel and the allocated data channel, the control information for resource allocation in the allocated data channel within a bandwidth area of the second plurality of bandwidths being supported by the second radio access standard.
8. An apparatus, comprising
a control channel resource allocator configured to allocate, to a control channel for a communication device, one of a first plurality of bandwidths being standardized for a first radio access standard, wherein the communication device utilizes a second radio access standard to communicate for a service, and
a data channel resource allocator configured to allocate, to a data channel for the communication device to receive the service, one of a second plurality of bandwidths being standardized for the second radio access standard, wherein the second plurality of bandwidths exceeding the first plurality of bandwidths in terms of at least one of granularity and range, and the allocation of the data channel is identified in the control channel.
9. The apparatus according to claim 8 , further comprising
a scheduler configured to schedule a terminal to a bandwidth area of the allocated data channel,
wherein the scheduler is configured such that a terminal complying with the first radio access standard is scheduled to a bandwidth area of the first plurality of bandwidths being supported by the first radio access standard, and a terminal complying with the second radio access standard is scheduled to a bandwidth area of the second plurality of bandwidths being supported by the second radio access standard.
10. The apparatus according to claim 8 , wherein the data channel allocator comprises
an adjuster configured to adjust said one allocated bandwidth of the second plurality of bandwidths to an available bandwidth spectrum.
11. The apparatus according to claim 8 , wherein the data channel allocator comprises
an includer configured to include control information being specific for a terminal to be scheduled at least into the allocated control channel within a bandwidth area of the first plurality of bandwidths being supported by the first radio access standard.
12. The apparatus according to claim 11 , wherein the includer comprises a first inserter configured to insert, for a terminal complying with the first radio access standard or a terminal complying with the second radio access standard and fitting into a resource allocation control scheme according to the first radio access standard, into the allocated control channel, the control information for resource allocation in the allocated data channel within a bandwidth area of the first plurality of bandwidths being supported by the first radio access standard.
13. The apparatus according to claim 11 , wherein the includer comprises a second inserter configured to insert, for a terminal complying with the second radio access standard and not fitting into a resource allocation control scheme according to the first radio access standard, into the allocated control channel, the control information for resource allocation in the allocated data channel within a bandwidth area of the second plurality of bandwidths being supported by the second radio access standard.
14. The apparatus according to claim 11 , wherein the includer comprises a third inserter configured to insert, for a terminal complying with the second radio access standard and not fitting into a resource allocation control scheme according to the first radio access standard, into the allocated control channel and the allocated data channel, the control information for resource allocation in the allocated data channel within a bandwidth area of the second plurality of bandwidths being supported by the second radio access standard.
15. A method comprising
receiving by a communication device, a control channel having allocated one of a first plurality of bandwidths being standardized for a first radio access standard,
identifying, in the received control channel, a data channel allocation on a data channel for the communication device to receive a service via a second radio access standard, the data channel having allocated one of a second plurality of bandwidths being standardized for the second radio access standard, the second plurality of bandwidths exceeding the first plurality of bandwidths in terms of at least one of granularity and range, and
controlling a data transmission operation on the data channel in accordance with the identified data channel allocation.
16. The method according to claim 15 , wherein the data channel allocation identification comprises
acquiring control information at least in the received control channel within a bandwidth area of the first plurality of bandwidths being supported by the first radio access standard.
17. The method according to claim 16 , if the acquired control information is located in the control channel, comprising
determining the data channel allocation on the basis of the acquired control information in the control channel.
18. The method according to claim 16 , if a first part of the acquired control information serving as an anchor is located in the control channel and a second part of the control information serving as a supplement, to which the anchor refers, is located in the data channel, comprising
determining a partial data channel allocation in a bandwidth area of the first plurality of bandwidths being supported by the first radio access standard on the basis of the acquired first part of the control information in the control channel, and
determining a complete data channel allocation in a bandwidth area of the second plurality of bandwidths being supported by the second radio access standard on the basis of the acquired second part of the control information in the data channel.
19. The method according to claim 18 , wherein the second part of the control information is inserted in a first modulation symbol of the data channel, which directly follows the control channel.
20. An apparatus comprising
a receiver configured to receive a control channel having allocated one of a first plurality of bandwidths being standardized for a first radio access standard,
an identifier configured to identify, in the received control channel, a data channel allocation on a data channel to receive a service via a second radio access standard, the data channel having allocated one of a second plurality of bandwidths being standardized for the second radio access standard, the second plurality of bandwidths exceeding the first plurality of bandwidths in terms of at least one of granularity and range, and
a controller configured to control a data transmission operation of the apparatus on the data channel in accordance with the identified data channel allocation.
21. The apparatus according to claim 20 , wherein the identifier comprises
an acquirer configured to acquire control information at least in the received control channel within a bandwidth area of the first plurality of bandwidths being supported by the first radio access standard.
22. The apparatus according to claim 21 , further comprising a first determiner configured to determine the data channel allocation on the basis of the acquired control information,
the first determiner being configured, if the acquired control information is located in the control channel, to determine the data channel allocation on the basis of the acquired control information in the control channel.
23. The apparatus according to claim 21 , further comprising a second determiner configured to determine the data channel allocation on the basis of the acquired control information,
the second determiner being configured, if a first part of the acquired control information serving as an anchor is located in the control channel and a second part of the control information serving as a supplement, to which the anchor refers, is located in the data channel, to determine a partial data channel allocation in a bandwidth area of the first plurality of bandwidths being supported by the first radio access standard on the basis of the acquired first part of the control information in the control channel, and to determine a complete data channel allocation in a bandwidth area of the second plurality of bandwidths being supported by the second radio access standard on the basis of the acquired second part of the control information in the data channel.