Abstract
A radio communication apparatus capable of alleviating a burden in setting a transmission format and suppressing increases in the scale of the apparatus. In this apparatus space multiplexing adaptability detection section ( 108) detects space multiplexing transmission adaptability for divided bands (DB-1 to DB-Nd) obtained by dividing a communication band to which Ns subcarrier signals belong in multicarrier transmission and to which a plurality of subcarrier signals belong and outputs the detection results (#1 to #Nd). Transmission format setting section (110) sets a transmission format when carrying out radio transmission based on the detection results (#1 to #Nd) from space multiplexing adaptability detection section (108).
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | Yes | Family Member | ||||
| 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
No | Family Member | |||
| 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Basis Patent | |||
Specification Information
Specification Information
Technologies
Family Information
| All Granted Patents In Patent Family : | ---- |
| All Pending Patents In Patent Family : | ---- |
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| WO2005011172A1 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
No | Family Member | |||
| WO2005011172A1 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| WO2005011172A1 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | Yes | Basis Patent | ||||
| JP2005065242A | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS | No | Family Member | ||||
| JP2005065242A | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| JP2005065242A | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | Yes | Family Member | ||||
| JP4546177B2 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS | No | Family Member | ||||
| JP4546177B2 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| JP4546177B2 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | Yes | Family Member | ||||
| US2006193298A1 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
No | Family Member | |||
| US2006193298A1 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Basis Patent | |||
| US2006193298A1 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | Yes | Family Member | ||||
| CN1830169B | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS | No | Family Member | ||||
| CN1830169B | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
No | Family Member | |||
| CN1830169B | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| EP1646172A1 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS | No | Family Member | ||||
| EP1646172A1 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| EP1646172A1 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | Yes | Family Member | ||||
| EP1646172A4 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS | No | Family Member | ||||
| EP1646172A4 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| EP1646172A4 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | Yes | Family Member | ||||
| EP1646172B1 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS | No | Family Member | ||||
| EP1646172B1 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| EP1646172B1 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | Yes | Family Member | ||||
| CN101882949A | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS | No | Family Member | ||||
| CN101882949A | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| CN101882949A | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| CN101882949B | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS | No | Family Member | ||||
| CN101882949B | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| CN101882949B | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| US2010027475A1 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
No | Family Member | |||
| US2010027475A1 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| US2010027475A1 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| US7860051B2 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
No | Family Member | |||
| US7860051B2 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| US7860051B2 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| US2011058574A1 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
No | Family Member | |||
| US2011058574A1 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| US2011058574A1 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| US8009656B2 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
No | Family Member | |||
| US8009656B2 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| US8009656B2 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| US2011274019A1 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
Yes | Basis Patent | |||
| US2011274019A1 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| US2011274019A1 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| US8379620B2 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
Yes | Basis Patent | |||
| US8379620B2 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| US8379620B2 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| US2012044953A1 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
No | Family Member | |||
| US2012044953A1 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| US2012044953A1 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| US8428040B2 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
No | Family Member | |||
| US8428040B2 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| US8428040B2 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| EP2523364A1 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS | No | Family Member | ||||
| EP2523364A1 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| EP2523364A1 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| EP2547005A1 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS | No | Family Member | ||||
| EP2547005A1 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| EP2547005A1 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| EP2547006A1 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS | No | Family Member | ||||
| EP2547006A1 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
No | Family Member | |||
| EP2547006A1 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| CN1830169A | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS | No | Family Member | ||||
| CN1830169A | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
No | Family Member | |||
| CN1830169A | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| US2013083760A1 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
No | Family Member | |||
| US2013083760A1 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| US2013083760A1 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| US8948114B2 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
No | Family Member | |||
| US8948114B2 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| US8948114B2 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| US2015103690A1 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
No | Family Member | |||
| US2015103690A1 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| US2015103690A1 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| US9900890B2 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
No | Family Member | |||
| US9900890B2 | 4G | 26/06/2017 | ISLD-201712-010 | OPTIS |
S1
S2
S3
|
Yes | Family Member | |||
| US9900890B2 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| US2018146481A1 | 4G | 18/05/2015 | ISLD-201506-004 | OPTIS |
S1
S2
|
No | Family Member | |||
| US2018146481A1 | 4G | 15/03/2010 | ISLD-201004-003 | PANASONIC CORP | No | Family Member | ||||
| EP2523364B1 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| EP2547005B1 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| EP3567745B1 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| US10555305B2 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| US2020146013A1 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| US10966203B2 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||||
| ----- | ----- | ----- | ----- | ----- |
S1
|
----- | ----- | ----- | ----- | |||
Technologies
Signal Processing
Product
Use Cases
Wireless communication
Services
Claim
1. A radio communication apparatus comprising:
a detection section that detects adaptability to spatial multiplexing transmission for each divided band, each divided band being obtained by dividing a communication band for multicarrier transmission and each divided band including a plurality of subcarrier signals; and
a setting section that sets, for each divided band, a respective transmission format including a spatial multiplexing number used to carry out radio transmission based on the adaptability detected for said each divided band.', 'a detection section that detects adaptability to spatial multiplexing transmission for each divided band, each divided band being obtained by dividing a communication band for multicarrier transmission and each divided band including a plurality of subcarrier signals; and', 'a setting section that sets, for each divided band, a respective transmission format including a spatial multiplexing number used to carry out radio transmission based on the adaptability detected for said each divided band.
2. The radio communication apparatus according to claim 1, wherein said detection section detects the adaptability based on an average spatial spread of an arriving path of said plurality of subcarrier signals included in the divided band.
3. The radio communication apparatus according to claim 1, wherein said detection section comprises:
a correlation calculation section that calculates a correlation value between a pilot signal embedded in said plurality of subcarrier signals and a replica of said pilot signal; and
an adaptability function calculation section that calculates adaptability for said each divided band based on the calculated correlation value.', 'a correlation calculation section that calculates a correlation value between a pilot signal embedded in said plurality of subcarrier signals and a replica of said pilot signal; and', 'an adaptability function calculation section that calculates adaptability for said each divided band based on the calculated correlation value.
4. The radio communication apparatus according to claim 3, wherein said detection section further comprises a generation section that generates a correlation matrix for said each divided band based on said correlation value, and said adaptability function calculation section calculates said adaptability using said correlation matrix.
5. The radio communication apparatus according to claim 4, wherein said generation section calculates a correlation matrix of a column vector corresponding to each of said plurality of subcarrier signals.
6. The radio communication apparatus according to claim 5, wherein said generation section obtains a correlation matrix for said each divided band by integrating the correlation matrix of said column vector.
7. The radio communication apparatus according to claim 4, wherein said generation section calculates said correlation matrix using the following equation:', 'R
=
1
N
âx81¢
âx81¢
c
âx81¢
âx88x91
n
=
1
N
âx81¢
âx81¢
c
âx81¢
V
n
âx81¢
V
n
H
Equation
âx81¢
âx81¢
1
where R denotes a correlation matrix, Nc denotes a number of subcarrier signals belonging to a divided band, Vn denotes a column vector corresponding to nth subcarrier signal belonging to a divided band, and H denotes a complex conjugate transposition operator.', 'where R denotes a correlation matrix, Nc denotes a number of subcarrier signals belonging to a divided band, Vn denotes a column vector corresponding to nth subcarrier signal belonging to a divided band, and H denotes a complex conjugate transposition operator.
8. The radio communication apparatus according to claim 4, wherein said adaptability function calculation section obtains adaptability including a first function value and a second function value which is different from said first function value from an eigenvalue of said correlation matrix.
9. The radio communication apparatus according to claim 8, wherein said first function value indicates reception quality, said second function value indicates an average spatial spread of an arriving path of said plurality of subcarrier signals included in the divided band, and said setting section sets said transmission format according to a result of a comparison between said spatial spread and a threshold which changes in conjunction with said reception quality
10. The radio communication apparatus according to claim 3, wherein said detection section further comprises a generation section that generates a correlation vector for said each divided band based on said correlation value, and said adaptability function calculation section uses said correlation vector to calculate said adaptability
11. The radio communication apparatus according to claim 10, wherein said generation section correlates a column vector corresponding to each of said plurality of subcarrier signals and a predetermined element in said column vector
12. The radio communication apparatus according to claim 11, wherein said generation section obtains said correlation vector by integrating said correlation result
13. The radio communication apparatus according to claim 10, wherein said generation section calculates said correlation vector using the following equation:', 'z
=
1
N
âx81¢
âx81¢
c
âx81¢
âx88x91
n
=
1
N
âx81¢
âx81¢
c
âx81¢
V
n
,
x
*
âx81¢
V
n
Equation
âx81¢
âx81¢
2
where z denotes a correlation vector, Nc denotes a number of subcarrier signals belonging to a divided band, Vn denotes a column vector corresponding to nth subcarrier signal belonging to a divided band, Vn,x denotes an xth element in column vector Vn, x denotes a constant equal to or smaller than a number of reception antennas, and * denotes a complex conjugate transposition operator.', 'where z denotes a correlation vector, Nc denotes a number of subcarrier signals belonging to a divided band, Vn denotes a column vector corresponding to nth subcarrier signal belonging to a divided band, Vn,x denotes an xth element in column vector Vn, x denotes a constant equal to or smaller than a number of reception antennas, and * denotes a complex conjugate transposition operator
14. The radio communication apparatus according to claim 3, further comprising a path search section that detects a path timing using said pilot signals, wherein said correlation calculation section calculates a correlation value for said detected path timing
15. The radio communication apparatus according to claim 1, wherein said detection section punctures any one of said plurality of subcarrier signals when detecting said adaptability
16. The radio communication apparatus according to claim 1, wherein said detection section changes a bandwidth of said each divided band according to a spreading factor in a frequency axis direction
17. The radio communication apparatus according to claim 1, further comprising:
a transmission section that transmits a plurality of subcarrier signals which belong to said communication band and in which pilot signals are embedded to a communicating apparatus; and
a reception section that receives information acquired and replied by said communicating apparatus using the pilot signals embedded in the plurality of transmitted subcarrier signals,
wherein said detection section calculates adaptability for said each divided band based on received information.', 'a transmission section that transmits a plurality of subcarrier signals which belong to said communication band and in which pilot signals are embedded to a communicating apparatus; and', 'a reception section that receives information acquired and replied by said communicating apparatus using the pilot signals embedded in the plurality of transmitted subcarrier signals,', 'wherein said detection section calculates adaptability for said each divided band based on received information.18. The radio communication apparatus according to claim 17, wherein said detection section changes the bandwidth for said each divided band according to a spreading factor in a frequency axis direction.19. The radio communication apparatus according to claim 1, wherein said setting section determines a space multiplexing number of said communication band based on adaptability detected for said each divided band.
20. The radio communication apparatus according to claim 1, wherein said setting section determines a space multiplexing number for said each divided band based on adaptability detected for said each divided band.
21. The radio communication apparatus according to claim 1, wherein said setting section sets said transmission format as a transmission format for space multiplexing transmission and further comprises a transmission section that transmits a pilot signal when a transition occurs from a mode in which said transmission format for space multiplexing transmission is not used to a mode in which said transmission format for space multiplexing transmission is used.
22. The radio communication apparatus according to claim 1, wherein said setting section sets any one of a transmission format including a known signal and a transmission format not including said known signal.
23. The radio communication apparatus according to claim 1, further comprising an acquisition section that acquires an evaluation value on mobility of a communicating apparatus, wherein said setting section sets said transmission format based on an acquired evaluation value.
24. The radio communication apparatus according to claim 1, wherein said detection section comprises:
a correlation calculation section that calculates a correlation value between different branches in an array antenna used for space multiplexing transmission; and
an adaptability function calculation section that calculates adaptability for said each divided band based on a calculated correlation value.', 'a correlation calculation section that calculates a correlation value between different branches in an array antenna used for space multiplexing transmission; and', 'an adaptability function calculation section that calculates adaptability for said each divided band based on a calculated correlation value.
25. The radio communication apparatus according to claim 24, wherein said detection section further comprises a generation section that generates a correlation matrix for said each divided band based on said correlation value, and said adaptability function calculation section calculates said adaptability using said correlation matrix.
26. The radio communication apparatus according to claim 25, wherein said adaptability function calculation section obtains adaptability including a first function value and a second function value which is different from said first function value from an eigenvalue of said correlation matrix.
27. The radio communication apparatus according to claim 26, wherein said first function value indicates reception quality, said second function value indicates an average spatial spread of an arriving path of said plurality of subcarrier signals included in the divided band, and said setting section sets said transmission format according to a result of a comparison between said spatial spread and a threshold which changes in conjunction with said reception quality.
28. The radio communication apparatus according to claim 24, wherein said detection section further comprises a generation section that generates a correlation vector for said each divided band based on said correlation value, and said adaptability function calculation section uses said correlation vector to calculate said adaptability.
29. A radio communication method for a radio communication apparatus comprising:
detecting, using a detection section, adaptability to spatial multiplexing transmission for each divided band, each divided band being obtained by dividing a communication band for multicarrier transmission and each divided band including a plurality of subcarrier signals; and
setting, using a setting section, for each divided band, a respective transmission format including a spatial multiplexing number used to carry out radio transmission based on the adaptability detected for said each divided band.', 'detecting, using a detection section, adaptability to spatial multiplexing transmission for each divided band, each divided band being obtained by dividing a communication band for multicarrier transmission and each divided band including a plurality of subcarrier signals; and', 'setting, using a setting section, for each divided band, a respective transmission format including a spatial multiplexing number used to carry out radio transmission based on the adaptability detected for said each divided band.']
Associated Portfolios
Licensor Claim Chart
 Claim Chart |
 Technology |
 Creation Date |
 Download |
|---|---|---|---|
|
Claim charts will soon be available!
|
|||
SUMMARY
ClaimChart-US7751369B2-STO
Patent number:US7751369B2
Claim Chart Type : SEP Claim Chart
Price: 200 €
To view claim charts you must become a Gold or Platinum Member.
Upgrade your subscriptionYou have reached the maximum number of patents which can be associated to your account per your subscription. If you wish to associate more patents
Please upgrade your subscription.Note:
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.