Abstract
Methods and systems are described that are suitable for channelization in particular but not limited to the IEEE 80216.m telecommunications standard. For a time-frequency resource physical sub-carriers for each of one or more zones in the time-frequency resource are assigned to one or more zones having a respective type of transmission. At least one zone is allocated for a type of transmission using localized sub-carriers. The physical sub-carriers assigned to each zone are permuted to map to logical sub-carriers. Groups of resource blocks are formed in which each resource block includes at least one logical sub-carrier for each of the one or more zones. The information defining the groups of resource blocks for each of the one or more zones can then be transmitted to a user. The information may be in the form of a zone configuration index.
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Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Product
Use Cases
Services
Claim
1. A method for operating a base station, the method comprising:
for a two-dimensional time-frequency resource comprising a plurality of OFDM symbol durations in a time dimension and a plurality of sub-carriers in a frequency dimension, performing operations including:
allocating one or more zones in the two-dimensional time-frequency resource;
for each of the zones, allocating one or more groups of resource blocks within the zone, wherein each resource block includes at least one of the sub-carriers, wherein said allocating one or more groups of resource blocks within the zone comprises transmitting a control channel within the zone, wherein the control channel of each zone spans the temporal width of that zone; and
transmitting zone configuration information, wherein for each of the one or more zones, the zone configuration information indicates a respective size of the zone.
2. The method of claim 1, wherein the one or more zones include a plurality of zones, wherein two or more of the plurality of zones share one or more of the sub-carriers.
3. The method of claim 1, wherein a given one of the one or more zones is allocated for a single frequency network (SFN) type of transmission, wherein at least a subset of the resource blocks in the given zone are allocated for unicast SFN transmission.
4. The method of claim 1, wherein a given one of the one or more zones is allocated for a single frequency network (SFN) type of transmission, wherein at least a subset of the resource blocks in the given zone are allocated for multicast SFN transmission and/or broadcast SFN transmission.
5. The method of claim 1, wherein the one or more groups of resource blocks in a given one of the one or more zones is allocated in a distributed fashion.
6. The method of claim 1, wherein the one or more groups of resource blocks in a given one of the one or more zones is allocated in a localized fashion.
7. The method of claim 1, wherein, for a given one of the one or more zones, the respective control channel specifies an assignment of resource blocks from the one or more groups of the zone to two or more user equipment devices.
8. The method of claim 1, wherein the one or more zones includes two or more zones, wherein the zone configuration information specifies a vector whose components correspond to a default ordering of transmission types, wherein, for each of the two or more zones, a number of resource blocks allocated to that zone is specified by a corresponding component of the vector.
9. The method of claim 1, wherein the one or more zones comprise at least three zones, wherein a first of the zones is allocated for a fractional frequency reuse (FFR) type of transmission, wherein a second of the zones is allocated for a single frequency network (SFN) type of transmission, wherein a third of the zones is allocated for a distributed FFR type of transmission.
10. The method of claim 1, wherein the one or more zones includes two or more zones, wherein the two or more zones are non-overlapping rectangular regions within the two-dimensional time-frequency resource.
11. The method of claim 10, wherein the one or more zones includes two or more zones, wherein each of the two or more zones spans the same window in time.
12. The method of claim 10, wherein the one or more zones include two or more zones, wherein, in a next time-frequency resource, the two or more zones are allocated again, wherein frequency positions associated with the two or more zones in said next time-frequency resource are cyclically shifted relative to frequency positions associated with said two or more zones in said time-frequency resource.
13. A base station comprising:
one or more antennas; and
circuitry coupled to the one or more antennas, wherein, for a two-dimensional time-frequency resource comprising a plurality of OFDM symbol durations in a time dimension and a plurality of sub-carriers in a frequency dimension, the circuitry is configured to:
allocate one or more zones in the two-dimensional time-frequency resource; and
for each of the zones, allocate one or more groups of resource blocks within the zone, wherein each resource block includes at least one of the sub-carriers, wherein said allocating one or more groups of resource blocks within the zone comprises transmitting a control channel within the zone, wherein the control channel of each zone spans the temporal width of that zone; and
transmit zone configuration information, wherein for each of the one or more zones, the zone configuration information indicates a respective size of the zone.
14. The base station of claim 13, wherein the one or more zones include a plurality of zones, wherein two or more of the plurality of zones share one or more of the sub-carriers.
15. The base station of claim 13, wherein, for a given one of the one or more zones, the respective control channel specifies an assignment of resource blocks from the one or more groups of the zone to two or more user equipment devices.
16. The base station of claim 13, wherein a given one of the one or more zones is allocated for a single frequency network (SFN) type of transmission, wherein at least a subset of the resource blocks in the given zone are allocated for multicast SFN transmission and/or broadcast SFN transmission.
17. A non-transitory memory medium for operating a base station, wherein the memory medium stores program instructions, wherein the program instructions, when executed by a processor, cause the base station to implement:
for a two-dimensional time-frequency resource comprising a plurality of OFDM symbol durations in a time dimension and a plurality of sub-carriers in a frequency dimension, performing operations including:
allocating one or more zones in the two-dimensional time-frequency resource;
for each of the zones, allocating one or more groups of resource blocks within the zone, wherein each resource block includes at least one of the sub-carriers, wherein said allocating one or more groups of resource blocks within the zone comprises transmitting a control channel within the zone, wherein the control channel of each zone spans the temporal width of that zone; and
transmitting zone configuration information, wherein for each of the one or more zones, the zone configuration information indicates a respective size of the zone.
18. The non-transitory memory medium of claim 17, wherein, for a given one of the one or more zones, the respective control channel specifies an assignment of resource blocks from the one or more groups of the zone to two or more user equipment devices.
19. The non-transitory memory medium of claim 17, wherein a given one of the one or more zones is allocated for a single frequency network (SFN) type of transmission, wherein at least a subset of the resource blocks in the given zone are allocated for multi cast SFN transmission and/or broadcast SFN transmission.
20. The method of claim 1, wherein the two-dimensional time-frequency resource includes a plurality of downlink sub-frames, wherein said one or more zones includes two or more zones, wherein a first of the two or more zones is allocated in a first of the downlink sub-frames, wherein a second of the two or more zones is allocated in a second of the downlink sub-frames.
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
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