Abstract
A subscriber station for use in a wireless network capable of communicating according to a multicarrier protocol. The subscriber station determines a total average signal level across N subbands where each of subband comprises a plurality of subcarriers. The subscriber station also determines a first average signal level within a first subband. The subscriber station then transmits a channel quality indicator (CQI) feedback message to the wireless network. The CQI feedback message comprises a first data field indicating the total average signal level and a second data field indicating the first average signal level. The first data field may indicate the total average signal level as an absolute value and the second data field may indicate the first average signal level relative to the total average signal level.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
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| 5G | 02/05/2018 | ISLD-201805-007 | SAMSUNG | No | Family Member | ||||
Specification Information
Specification Information
Technologies
Family Information
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| BRPI0614497B1 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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S1
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Technologies
Resource configuration Channel Status Information(CSI) Reporting
Product
User Equipment (UE/Terminal)Base Station (eNB/gNB)Access point
Use Cases
Wireless communication
Services
Multi-carrier wireless communication
Claim
1. For use in a wireless network capable of communicating accor ding to a multi-carrier protocol, a transmitter capable of determ ining a total average signal level across N subbands, each of the N subbands including a plurality of subcarriers, and determining a first average signal level within a first one of the N subbands, comprising:
controller for generating a channel quality indicator (CQI) feedback message comprising a first data field indicating the total average signal level and a second data field indicating the first average signal level; transmission module for transmitting the CQI feedback message to the wireless network.', 'controller for generating a channel quality indicator (CQI) feedback message comprising a first data field indicating the total average signal level and a second data field indicating the first average signal level;', 'transmission module for transmitting the CQI feedback message to the wireless network.
2. The transmitter as set forth in Claim 1, wherein the first data field indicates the total average signal level as an absolute value.
3. The transmitter as set forth in Claim 2, wherein the second data field indicates the first average signal level relative to the total average signal level.
4. The transmitter as set forth in Claim 1, wherein the control ler determines the total average signal level across the N subbands based on all of the subcarriers in the N subbands.
5. The transmitter as set forth in Claim 1, wherein the controller determines the total average signal level based on less than all of the subcarriers.
6. The transmitter as set forth in Claim 1, wherein the controller determines the total average signal level across the N subbands based on a subset of all of the subcarriers in the N subbands.
7. The transmitter as set forth in Claim 1, wherein the controller determines the first average signal level in the first subband based on all of the subcarriers in the first subband.
8. The transmitter as set forth in Claim 1, wherein the controller determines the first average signal level in the first subband based on a subset of all of the subcarriers in the first subband.
9. The transmitter as set forth in Claim 1, wherein the controller is further capable of determining a second average signal level within a second one of the N subbands, and wherein the CQI feedback message further comprises a third data field indicating the second average signal level
10. The transmitter as set forth in Claim 9, wherein the third data field indicates the second average signal level relative to the total average signal level
11. The transmitter as set forth in Claim 10, wherein the first and second average signal level is respectively quantized by different step size each other
12. A transmitter for transmitting channel quality information in a wireless network capable of communicating according to a multi-carrier protocol, comprising:
controller for estimating a channel type using a signal received from the wireless network and generating a feedback message including the channel quality information having different format according to the estimated channel type; transmission module for transmitting the feedback message to the wireless network.', 'controller for estimating a channel type using a signal received from the wireless network and generating a feedback message including the channel quality information having different format according to the estimated channel type;', 'transmission module for transmitting the feedback message to the wireless network
13. The transmitter as set forth in Claim 12, wherein the channel type comprises frequency-selectivity in a channel
14. The transmitter as set forth in Claim 12, wherein the number of subbands relative to a total average channel quality indicator (CQI) is proportional to a degree of frequency selectivity channel fading, wherein the channel quality information comprises a channel quality indicator (CQI) for each of the subbands
15. For use in a wireless network capable of communicating according to a multi-carrier protocol, a transmission method capable of determining a total average signal level across N subbands, each of the N subbands including a plurality of subcarriers, and determining a first average signal level within a first one of the N subbands, comprising:generating a channel quality indicator (CQI) feedback message comprising a first data field indicating the total average signal level and a second data field indicating the first average signal level; transmitting the CQI feedback message to the wireless network.', 'generating a channel quality indicator (CQI) feedback message comprising a first data field indicating the total average signal level and a second data field indicating the first average signal level;', 'transmitting the CQI feedback message to the wireless network
16. The transmission method as set forth in Claim 15, wherein the first data field indicates the total average signal level as an absolute value
17. The transmission method as set forth in Claim 15, wherein the second data field indicates the first average signal level relative to the total average signal level
18. The transmission method as set forth in Claim 15, wherein the total average signal level is determined across the N subbands based on all of the subcarriers in the N subbands
19. The transmission method as set forth in Claim 15, wherein the total average signal level is determined using less than all of the subcarriers.
20. The transmission method as set forth in Claim 15, wherein the total average signal level is determined by the N subbands based on a subset of all of the subcarriers in the N subbands.
21. The transmission method as set forth in Claim 15, wherein the first average signal level in the first subband is determined by all of the subcarriers in the first subband.
22. The transmission method as set forth in Claim 15, wherein the first average signal level in the first subband is determined by a subset of all of the subcarriers in the first subband.
23. The transmission method as set forth in Claim 15, further comprising:
determining a second average signal level within a second one of the N subbands, and wherein the CQI feedback message further comprises a third data field indicating the second average signal level.', 'determining a second average signal level within a second one of the N subbands, and wherein the CQI feedback message further comprises a third data field indicating the second average signal level.
24. The transmission method as set forth in Claim 23, wherein the third data field indicates the second average signal level relative to the total average signal level.
25. The transmission method as set forth in Claim 24, wherein the first and second average signal level is respectively quantized by different step size each other.
26. A transmission method for transmitting channel quality information in a wireless network capable of communicating according to a multi-carrier protocol, comprising:
estimating a channel type using a signal received from the wireless network and generating a feedback message including the channel quality information having different format according to the estimated channel type; transmitting the feedback message to the wireless network.', 'estimating a channel type using a signal received from the wireless network and generating a feedback message including the channel quality information having different format according to the estimated channel type;', 'transmitting the feedback message to the wireless network.
27. The transmission method as set forth in Claim 26, wherein the channel type comprises frequency-selectivity in a channel.
28. The transmission method as set forth in Claim 26, wherein the number of subbands relative to a total average channel quality indicator (CQI) is proportional to a degree of frequency selectivity channel fading, wherein the channel quality information comprises a channel quality indicator (CQI) for each of the subbands.
29. For use in a wireless network, a base station capable of communicating with a plurality of subscriber stations according to a multi-carrier protocol, wherein the base station transmits in a downlink to the plurality of subscriber stations using N subbands, each of the N subbands comprising a plurality of subcarriers, and wherein the base station is capable of receiving from a first one of the plurality of subscriber stations a channel quality indicator (CQI) feedback message, the CQI feedback message comprising a first data field indicating a total average signal level determined by the first subscriber station across the N subbands and a second data field indicating a first average signal level determined by the first subscriber station within a first one of the N subbands, and wherein the base station uses the CQI feedback message to allocate selected ones of the N subbands for transmitting in the downlink to the first subscriber station.
30. The base station as set forth in Claim 29, wherein the first data field indicates the total average signal level as an absolute value.
31. The base station as set forth in Claim 30, wherein the second data field indicates the first average signal level relative to the total average signal level.
32. The base station as set forth in Claim 29, wherein the first subscriber station determines the total average signal level across the N subbands based on all of the subcarriers in the N subbands.
33. The base station as set forth in Claim 29, wherein the first subscriber station determines the total average signal level across the N subbands based on a subset of all of the subcarriers in the N subbands.
34. The base station as set forth in Claim 29, wherein the first subscriber station determines the first average signal level in the first subband based on all of the subcarriers in the first subband.
35. The base station as set forth in Claim 29, wherein the first subscriber station determines the first average signal level in the first subband based on a subset of all of the subcarriers in the first subband.
36. The base station as set forth in Claim 29, wherein the CQI feedback message further comprises a third data field indicating a second average signal level determined by the first subscriber station within a second one of the N subbands.
37. The base station as set forth in Claim 29, wherein the third data field indicates the second average signal level relative to the total average signal level.
38. The base station as set forth in Claim 37, wherein the first and second average signal level is respectively quantized by different step size each other.
39. The method as set forth in Claim 39, wherein the first data field indicates the total average signal level as an absolute value.
39. For use in a base station capable of communicating with a plurality of subscriber stations according to a multi-carrier protocol, wherein the base station transmits in a downlink to the plurality of subscriber stations using N subbands, each of the N subbands comprising a plurality of subcarriers, a method of allocating selected ones of the N subbands in the downlink comprising the steps of:
receiving from a first one of the plurality of subscriber stations a channel quality indicator (CQI) feedback message; identifying in the CQI feedback message a first data field indicating a total average signal level determined by the first subscriber station across the N subbands; identifying in the CQI feedback message a second data field indicating a first average signal level determined by the first subscriber station within a first one of the N subbands; and using the total average signal level and the first average signal level to allocate at least one of the N subbands for transmitting in the downlink to the first subscriber station.', 'receiving from a first one of the plurality of subscriber stations a channel quality indicator (CQI) feedback message;', 'identifying in the CQI feedback message a first data field indicating a total average signal level determined by the first subscriber station across the N subbands;', 'identifying in the CQI feedback message a second data field indicating a first average signal level determined by the first subscriber station within a first one of the N subbands; and', 'using the total average signal level and the first average signal level to allocate at least one of the N subbands for transmitting in the downlink to the first subscriber station.
40. The method as set forth in Claim 39, wherein the second data field indicates the first average signal level relative to the total average signal level.
41. The method as set forth in Claim 39, wherein the first subscriber station determines the total average signal level across the N subbands based on all of the subcarriers in the N subbands.
42. The method as set forth in Claim 39, wherein the first subscriber station determines the total average signal level across the N subbands based on a subset of all of the subcarriers in the N subbands.
43. The method as set forth in Claim 39, wherein the first subscriber station determines the first average signal level in the first subband based on all of the subcarriers in the first subband.
44. The method as set forth in Claim 39, wherein the first subscriber station determines the first average signal level in the first subband based on a subset of all of the subcarriers in the first subband.
45. The method as set forth in Claim 39, further comprising the steps of:
identifying in the CQI feedback message a third data field indicating a second average signal level determined by the first subscriber station within a second one of the N subbands.', 'identifying in the CQI feedback message a third data field indicating a second average signal level determined by the first subscriber station within a second one of the N subbands.
46. The base station as set forth in Claim 46, wherein the first and second average signal level is respectively quantized by different step size each other.']
46. The base station as set forth in Claim 45, wherein the third data field indicates the second average signal level relative to the total average signal level.
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SUMMARY
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Patent number:EP1750408A2
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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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.