Abstract
The present invention is related to a method and apparatus for implementing space frequency block coding (SFBC) in an orthogonal frequency division multiplexing (OFDM) wireless communication system. The present invention is applicable to both a closed loop mode and an open loop mode. In the closed loop mode power loading and eigen-beamforming are performed based on channel state information (CSI). A channel coded data stream is multiplexed into two or more data streams. Power loading is performed based on the CSI on each of the multiplexed data streams. SFBC encoding is performed on the data streams for each of the paired subcarriers. Then eigen-beamforming is performed based on the CSI to distribute eigenbeams to multiple transmit antennas. The power loading may be performed on two or more SFBC encoding blocks or on each eigenmodes. Additionally the power loading may be performed across subcarriers or subcarrier groups for weak eigenmodes.
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
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| 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
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| 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
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|
No | Family Member | |||
| TWM287552U | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| TWM287552U | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| WO2006020741A3 | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| WO2006020741A3 | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| WO2006020741A3 | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| WO2006020741A3 | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| WO2006020741A3 | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| WO2006020741A3 | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
Yes | Basis Patent | |||
| AR076294A2 | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| AR076294A2 | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| AR076294A2 | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| AR076294A2 | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| AR076294A2 | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC | No | Family Member | ||||
| AR076294A2 | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| AT527794T | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| AT527794T | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| AT527794T | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| AT527794T | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| AT527794T | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC | No | Family Member | ||||
| AT527794T | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| CA2771267A1 | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| CA2771267A1 | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| CA2771267A1 | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| CA2771267A1 | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| CA2771267A1 | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC | No | Family Member | ||||
| CA2771267A1 | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| CA2771267C | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| CA2771267C | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| CA2771267C | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| CA2771267C | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| CA2771267C | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC | No | Family Member | ||||
| CA2771267C | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| JP2012070382A | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| JP2012070382A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP2012070382A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP2012070382A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| JP2012070382A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP2012070382A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| KR101314423B1 | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| KR101314423B1 | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| KR101314423B1 | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| KR101314423B1 | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| KR101314423B1 | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| KR101314423B1 | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| KR20120036913A | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| KR20120036913A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| KR20120036913A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| KR20120036913A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| KR20120036913A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| KR20120036913A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| JP2008510386A | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| JP2008510386A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP2008510386A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP2008510386A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| JP2008510386A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP2008510386A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| CN102638298A | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| CN102638298A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| CN102638298A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| CN102638298A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| CN102638298A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC | No | Family Member | ||||
| CN102638298A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| CN102638298B | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| CN102638298B | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| CN102638298B | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| CN102638298B | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| CN102638298B | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC | No | Family Member | ||||
| CN102638298B | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| CN102664661A | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| CN102664661A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| CN102664661A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| CN102664661A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| CN102664661A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC | No | Family Member | ||||
| CN102664661A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| MY143899A | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| MY143899A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| MY143899A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| MY143899A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| MY143899A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| MY143899A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| CN101002447A | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| CN101002447A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| CN101002447A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| CN101002447A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| CN101002447A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC | No | Family Member | ||||
| CN101002447A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| DE202005012766U1 | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| DE202005012766U1 | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| DE202005012766U1 | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| DE202005012766U1 | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| DE202005012766U1 | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC | No | Family Member | ||||
| DE202005012766U1 | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| JP2013048468A | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| JP2013048468A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP2013048468A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP2013048468A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| JP2013048468A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP2013048468A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| KR20130053423A | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| KR20130053423A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| KR20130053423A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| KR20130053423A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| KR20130053423A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| KR20130053423A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TW200704058A | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| TW200704058A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TW200704058A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TW200704058A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TW200704058A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| TW200704058A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TWI379560B | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| TWI379560B | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TWI379560B | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TWI379560B | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TWI379560B | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| TWI379560B | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TW201320667A | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| TW201320667A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TW201320667A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TW201320667A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TW201320667A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| TW201320667A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TWI517638B | 3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC | No | Family Member | ||||
| TWI517638B | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TWI517638B | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TWI517638B | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TWI517638B | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| TWI517638B | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| JP2013232949A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP2013232949A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP2013232949A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| JP2013232949A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP2013232949A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| JP5916664B2 | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP5916664B2 | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP5916664B2 | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| JP5916664B2 | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC | No | Family Member | ||||
| JP5916664B2 | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| KR101251931B1 | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| KR101251931B1 | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| KR101251931B1 | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| KR101251931B1 | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| KR101251931B1 | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| KR20120120489A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| KR20120120489A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| KR20120120489A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| KR20120120489A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| KR20120120489A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| MY154510A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| MY154510A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| MY154510A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| MY154510A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| MY154510A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TW200623755A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TW200623755A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TW200623755A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TW200623755A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| TW200623755A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TWI455535B | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TWI455535B | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TWI455535B | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TWI455535B | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| TWI455535B | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TW201347477A | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TW201347477A | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TW201347477A | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TW201347477A | 4G | 21/12/2017 | ISLD-201711-005 | INTERDIGITAL INC |
S1
S2
S3
|
No | Family Member | |||
| TW201347477A | 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
S1
S2
S3
S4
|
No | Family Member | |||
| TWI543572B | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TWI543572B | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
| TWI543572B | 4G | 21/12/2016 | ISLD-201706-014 | INTERDIGITAL INC |
S1
S2
S3
S4
|
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Signal Processing
Product
Not Available
Use Cases
Wireless communication
Services
Not Available
Claim
1. A method for implementing space frequency block coding (SFBC) in an orthogonal frequency division multiplexing (OFDM) wireless communication system, the method comprising: performing a channel coding on input data stream; multiplexing the coded data stream to two or more data streams; obtaining channel state information (CSI); performing power loading based on the CSI on each of the multiplexed data streams; pairing subcarriers for SFBC endocing; performing SFBC encoding on the data streams; performing eigen-beamforming based on the CSI to distribute eigenbeams to a plurality of transmit antennas; and performing inverse fast Fourier transform (IFFT) for converting the data stream to data in time domain for transmission.
2. The method of claim 1 wherein the subcarriers are divided into a plurality of groups of subcarriers.
3. The method of claim 2 wherein bandwidth of the group of subcarriers is less than coherence bandwidth of a channel.
4. The method of claim 1 further comprising: calculating channel energy for each eigenmode for all subcarriers; calculating harmonic signal-to-noise ratios (SNRs) for a plurality of modes from the channel energy; calculating separation of the harmonic SNRs; determining a data rate that can be supported from the CSI; determining bit rates distributed between the modes.
5. The method of claim 4 further comprising the step of applying power optimization across each subcarrier or subcarrier group for weak eigenmodes.
6. The method of claim 1 further comprising: ranking the eigenvalues per subcarrier; generating eigenbeams by grouping the same ranked eigenvalues for all sub carriers; calculating average of the eigenvalues per eigenbeam; generating space-frequency blocks by pairing the eigenbeams; and determining a data rate for each pair of eigenbeams by mapping required signal-to-noise ratios (SNRs) of the pair of eigenbeams to data rates.
7. The method of claim 6 further comprising a step of adjusting the required SNRs for all pairs of eigenbeams to compensate for measurement errors and make a total transmit power be constant.
8. The method of claim 6 further comprising a step of applying a weight vector per pair of eigenbeams.
9. The method of claim 1 wherein the CSI is generated by and sent back from a receiver
10. The method of claim 1 wherein the CSI is generated by a transmitter through channel reciprocity
11. A method for implementing space frequency block coding (SFBC) in an orthogonal frequency division multiplexing (OFDM) wireless communication system, the method comprising: performing a channel coding on input data stream; multiplexing the coded data stream to two or more data streams; pairing subcarriers for SFBC endocing; performing SFBC encoding on the data streams; generating a plurality of beams by a beamforming network and permuting the generated beams; and performing inverse fast Fourier transform (IFFT) for converting the data stream to data in time domain for transmission
12. An apparatus for implementing space frequency block coding (SFBC) in an orthogonal frequency division multiplexing (OFDM) wireless communication system, the apparatus comprising: a channel coder configured to perform a channel coding on input data stream; a multiplexer configured to multiplex the coded data stream to two or more data streams; a power loading unit configured to perform power loading based on channel state information (CSI) on each of the multiplexed data streams; a plurality of SFBC encoding units configured to perform SFBC encoding on the data streams for each pair of subcarriers; a plurality of eigen-beamformers configured to perform eigen- beamforming based on the CSI to distribute eigenbeams to a plurality of transmit antennas; a plurality of inverse fast Fourier transform (IFFT) units configured to perform IFFT for converting the data stream to data in time domain for transmission; and a plurality of antennas
13. The apparatus of claim 12 wherein the subcarriers are divided into a plurality of groups of subcarriers
14. The apparatus of claim 13 wherein bandwidth of the group of subcarriers is less than coherence bandwidth of a channel
15. The apparatus of claim 12 wherein the power loading unit comprises: means for calculating channel energy for each eigenmode for all subcarriers; means for calculating harmonic signal-to-noise ratios (SNRs) for a plurality of modes from the channel energy; means for calculating separation of the harmonic SNRs; means for determining a data rate that can be supported from the CSI; and means for determining bit rates distributed between the modes
16. The apparatus of claim 15 wherein the power loading unit further comprises means for applying power optimization across each subcarrier or subcarrier group for weak eigenmodes
17. The apparatus of claim 12 wherein the power loading unit comprises: means for ranking the eigenvalues per subcarrier; means for generating eigenbeams by grouping the same ranked eigenvalues for all sub carriers; means for calculating average of the eigenvalues per eigenbeam; means for generating space-frequency blocks by pairing the eigenbeams; and means for determining a data rate for each pair of eigenbeams by mapping required signal-to-noise ratios CSNRs) of the pair of eigenbeams to data rates
18. The apparatus of claim 17 wherein the power loading unit further comprises a means for adjusting the required SNRs for all pairs of eigenbeams to compensate for measurement errors and make a total transmit power be constant
19. The apparatus of claim 17wherein the power loading unit further comprises a means for applying a weight vector per pair of eigenbeams.
20. The apparatus of claim 12 wherein the CSI is generated by and sent back from a receiver.
21. The apparatus of claim 12 wherein the CSI is generated by a transmitter through channel reciprocity.
22. An apparatus for implementing space frequency block coding (SFBC) in an orthogonal frequency division multiplexing (OFDM) wireless communication system, the apparatus comprising: a channel coder configured to perform a channel coding on input data stream; a multiplexer configured to multiplex the coded data stream to two or more data streams; a power loading unit configured to perform power loading based on channel state information (CSI) on each of the multiplexed data streams; a plurality of SFBC encoding units configured to perform SFBC encoding on the data streams for each pair of subcarriers; a beamforming network configured to generate a plurality of beams and permuting the generated beams; a plurality of inverse fast Fourier transform (IFFT) units configured to perform IFFT for converting the data stream to data in time domain for transmission; and a plurality of antennas.']
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