Abstract
The downlink control channels in a control region of each downlink subframe in a telecommunication system are divided into at least one common subset of the downlink control channels and a plurality of group subsets of the downlink control channels such that the common subset or each common subset will be decoded by every user equipment and each group subset will be decoded only by a limited group of user equipments. Resource assignment messages for a user equipment can then be transmitted on a downlink control channel of the relevant group subset to avoid the need for messages to be decoded by a large number of UEs that will not act on them while broadcast messages can be transmitted on a downlink control channel of the relevant common subset to avoid the need for messages to be transmitted many times.
The downlink control channels in a control region of each downlink subframe in a telecommunication system are divided into at least one common subset of the downlink control channels and a plurality of group subsets of the downlink control channels such that the common subset or each common subset will be decoded by every user equipment and each group subset will be decoded only by a limited group of user equipments. Resource assignment messages for a user equipment can then be transmitted on a downlink control channel of the relevant group subset to avoid the need for messages to be decoded by a large number of UEs that will not act on them while broadcast messages can be transmitted on a downlink control channel of the relevant common subset to avoid the need for messages to be transmitted many times.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
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Specification Information
Specification Information
Technologies
Family Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||||
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S1
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Technologies
Resource configuration
Product
User Equipment (UE/Terminal)Base Station (eNB/gNB)
Use Cases
Wireless communication
Services
Transmitting/receiving of control channel/control information
Claim
1. A method of allocating communications resources in a telecommunication system, in which the assignments of resources to user equipments are transmitted in a control region of each downlink subframe, the control region comprising a plurality of downlink control channels, the method comprising: dividing the downlink control channels into at least one common subset of the downlink control channels and a plurality of group subsets of the downlink control channels, in such a way as to enable every user equipment to decode the common subset and only one group subset.
2. A method as claimed in claim 1, wherein the common subset comprises downlink control channels on the highest available aggregation level.
3. A method as claimed in claim 1 , wherein the common subset comprises all possible downlink control channels on one aggregation level.
4. A method as claimed in claim 3, wherein the common subset comprises all possible downlink control channels on the highest aggregation level.
5. A method as claimed in any preceding claim, wherein each group subset comprises downlink control channels on one or more aggregation levels covering a subset of control channel elements.
6. A method as claimed in claim 5, wherein each group subset comprises all possible downlink control channels on all aggregation levels covering the subset of control channel elements.
7. A method as claimed in any preceding claim, further comprising: transmitting broadcast messages on at least one downlink control channel forming part of the common subset of the downlink control channels.
8. A method as claimed in any preceding claim, further comprising: transmitting a resource assignment message for a user equipment on at least one downlink control channel forming part of the respective group subset of the downlink control channels.
9. A method as claimed in any preceding claim, wherein a respective group subset for a user equipment is determined by modulo counting of a RNTI of the user equipment
10. A method as claimed in any preceding claim, further comprising: transmitting a resource assignment message for a user equipment on at least one downlink control channel forming part of the common subset of the downlink control channels
11. A method as claimed in any preceding claim, further comprising transmitting a message on a downlink control channel comprising a larger number of control channel elements than required for the message
12. A method of operation of a user equipment in order to determine communications resources allocated thereto in a telecommunication system, in which the assignments of resources to user equipments are transmitted in a control region of each downlink subframe, the control region comprising a plurality of downlink control channels, the method comprising: determining a division of the downlink control channels into at least one common subset of the downlink control channels and a plurality of group subsets of the downlink control channels; determining a relevant group subset from the plurality of group subsets; and decoding the downlink control channels forming the common subset or each common subset of the downlink control channels, and decoding only the downlink control channels of the relevant group subset of the downlink control channels
13. A method as claimed in claim 12, wherein the step of determining the division of the downlink control channels into at least one common subset of the downlink control channels and a plurality of group subsets of the downlink control channels comprises: determining a number of control channel elements in each subframe; and determining from said number of control channel elements in each subframe whether a division into two or more group subsets has been done
14. A method as claimed in claim 12 or 13, wherein the step of determining the relevant group subset of the downlink control channels comprises modulo counting of the RNTI
15. A method as claimed in any preceding claim, wherein the downlink control channels are PDCCH.s
16. A network node for a telecommunication system, in which the assignments of resources to user equipments are transmitted in a control region of each downlink subframe, the control region comprising a plurality of downlink control channels, the network node being adapted to allocate communications resources by: dividing the downlink control channels into at least one common subset of the downlink control channels and a plurality of group subsets of the downlink control channels, enabling every user equipment to decode the common subset and only one group subset
17. A network node as claimed in claim 16, wherein the common subset comprises downlink control channels on the highest available aggregation level
18. A network node as claimed in claim 16 or 17, wherein each group subset comprises downlink control channels on one or more aggregation levels covering a subset of control channel elements
19. A network node as claimed in claim 16, 17 or 18, further adapted to: transmit broadcast messages on at least one downlink control channel forming part of the common subset of the downlink control channels.
20. A network node as claimed in claim 16, 17, 18 or 19, further adapted to: transmit a resource assignment message for a user equipment on at least one downlink control channel forming part of the common subset of the downlink control channels.
21. A network node as claimed in one of claims 16 to 20, wherein a respective group subset for a user equipment is determined by modulo counting of a RNTI of the user equipment.
22. A network node as claimed in one of claims 16 to 21 , wherein the network node is an eNodeB of an Evolved Radio Access Network.
23. A network node as claimed in any one of claims 16-22, wherein the downlink control channels are PDCCH:s.
24. A user equipment in a telecommunication system, in which the assignments of resources to user equipments are transmitted in a control region of each downlink subframe, the control region comprising a plurality of downlink control channels, the user equipment being adapted to determine communications resources allocated thereto by a method comprising: determining a division of the downlink control channels into at least one common subset of the downlink control channels and a plurality of group subsets of the downlink control channels; determining a relevant group subset from the plurality of group subsets; and decoding the downlink control channels forming the common subset or each common subset of the downlink control channels, and decoding only the downlink control channels of the relevant group subset of the downlink control channels.
25. A user equipment as claimed in claim 24, wherein the step of determining the division of the downlink control channels into at least one common subset of the downlink control channels and a plurality of group subsets of the downlink control channels comprises: determining a number of control channel elements in each subframe; and determining from said number of control channel elements in each subframe whether group subsets are used.
26. A user equipment as claimed in claim 24 or 25, further adapted to determine the relevant group subset of the downlink control channels by modulo counting of the RNTI.
27. A user equipment as claimed in any one of claims 24-26, wherein the downlink control channels are PDCCH:s.']
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SUMMARY
ClaimChart-EP2208384A1-STO
Patent number:EP2208384A1
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
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.
Family member:related patents or applications that share a common priority or original filing.