Abstract
Soft handoff in an OFDMA system is disclosed. If the pilot signal strength for a base station exceeds the defined threshold the base station is added to an active set list. Subcarriers in a plurality of orthogonal frequency division multiplexing (OFDM) symbols are divided and allocated into subchannels. The OFDM symbols are divided and multiplexed. A soft handoff zone with a first dimension of the subchannels and a second dimension of the divided and multiplexed OFDM symbols is defined. The soft handoff zone has subcarriers with a subchannel definition for example an identical permutation.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
---|---|---|---|---|---|---|---|---|---|
Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | Yes | Basis Patent | ||||
4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member |
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 | |||||||
CN101156322A | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
S5
|
No | Family Member | |||
CN101156322A | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
CN101156322A | 4G | 27/10/2014 | ISLD-201410-033 | APPLE INC | No | Family Member | ||||
CN101156322A | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
S4
S5
S6
|
No | Family Member | |||
CN101156322A | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
|
No | Family Member | |||
CN101156322A | 5G,4G,3G,2G | 27/11/2016 | ISLD-201703-106 | APPLE INC | No | Family Member | ||||
CN101156322A | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
S4
S5
S6
S7
S8
|
No | Family Member | |||
CN101156322A | 4G | 15/05/2018 | ISLD-201806-042 | APPLE INC |
S1
S2
S3
S4
S5
S6
|
No | Family Member | |||
CN101156322A | 4G | 07/11/2018 | ISLD-201812-006 | APPLE INC | No | Family Member | ||||
CN101156322A | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
CN101156322A | 4G | 30/06/2020 | ISLD-202007-001 | APPLE INC | No | Family Member | ||||
CN101156322A | 4G | 10/06/2008 | ISLD-200807-005 | NORTEL NETWORKS LIMITED | No | Family Member | ||||
CN101156322B | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
S5
S6
S7
S8
|
Yes | Family Member | |||
CN101156322B | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
CN101156322B | 4G | 27/10/2014 | ISLD-201410-033 | APPLE INC | No | Family Member | ||||
CN101156322B | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
S4
S5
S6
|
No | Family Member | |||
CN101156322B | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
|
No | Family Member | |||
CN101156322B | 5G,4G,3G,2G | 27/11/2016 | ISLD-201703-106 | APPLE INC | No | Family Member | ||||
CN101156322B | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
S4
S5
S6
S7
S8
|
No | Family Member | |||
CN101156322B | 4G | 15/05/2018 | ISLD-201806-042 | APPLE INC |
S1
S2
S3
S4
S5
S6
|
No | Family Member | |||
CN101156322B | 4G | 07/11/2018 | ISLD-201812-006 | APPLE INC | No | Family Member | ||||
CN101156322B | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
CN101156322B | 4G | 30/06/2020 | ISLD-202007-001 | APPLE INC | No | Family Member | ||||
CN101156322B | 4G | 10/06/2008 | ISLD-200807-005 | NORTEL NETWORKS LIMITED | No | Family Member | ||||
WO2005125250A1 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
S5
S6
S7
S8
S9
|
Yes | Family Member | |||
WO2005125250A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
WO2005125250A1 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
WO2005125250A1 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
WO2005125250A1 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
WO2005125250A1 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
US2009129334A1 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
US2009129334A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
US2009129334A1 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2009129334A1 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2009129334A1 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2009129334A1 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
US8023466B2 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
US8023466B2 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
US8023466B2 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8023466B2 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8023466B2 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8023466B2 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
US2011310846A1 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
US2011310846A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | Yes | Basis Patent | ||||
US2011310846A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
US2011310846A1 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2011310846A1 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2011310846A1 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2011310846A1 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
US2011310847A1 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
US2011310847A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | Yes | Basis Patent | ||||
US2011310847A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
US2011310847A1 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2011310847A1 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2011310847A1 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2011310847A1 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
US8249024B2 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
US8249024B2 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | Yes | Basis Patent | ||||
US8249024B2 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
US8249024B2 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8249024B2 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8249024B2 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8249024B2 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
US2011310848A1 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
US2011310848A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
US2011310848A1 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2011310848A1 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2011310848A1 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2011310848A1 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
US8165094B2 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
US8165094B2 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
US8165094B2 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8165094B2 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8165094B2 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8165094B2 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
US2011310725A1 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
US2011310725A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | Yes | Basis Patent | ||||
US2011310725A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
US2011310725A1 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2011310725A1 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2011310725A1 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2011310725A1 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
US8279836B2 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
US8279836B2 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | Yes | Basis Patent | ||||
US8279836B2 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
US8279836B2 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8279836B2 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8279836B2 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8279836B2 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
US2012281676A1 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
US2012281676A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | Yes | Basis Patent | ||||
US2012281676A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
US2012281676A1 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2012281676A1 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2012281676A1 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2012281676A1 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
US8446879B2 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
US8446879B2 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | Yes | Basis Patent | ||||
US8446879B2 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
US8446879B2 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8446879B2 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8446879B2 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8446879B2 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
US2012327905A1 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
US2012327905A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | Yes | Basis Patent | ||||
US2012327905A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
US2012327905A1 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2012327905A1 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2012327905A1 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2012327905A1 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
US8537782B2 | 4G | 11/04/2012 | ISLD-201204-011 | APPLE INC |
S1
S2
S3
S4
|
No | Family Member | |||
US8537782B2 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | Yes | Basis Patent | ||||
US8537782B2 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
US8537782B2 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8537782B2 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8537782B2 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US8537782B2 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member | |||
US2013322399A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | Yes | Basis Patent | ||||
US2013322399A1 | 4G | 30/10/2013 | ISLD-201404-001 | APPLE INC | No | Family Member | ||||
US2013322399A1 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC | Yes | Basis Patent | ||||
US2013322399A1 | 4G | 04/11/2015 | ISLD-201511-011 | APPLE INC |
S1
S2
|
No | Family Member | |||
US2013322399A1 | 4G | 27/11/2016 | ISLD-201703-106 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2013322399A1 | 4G | 02/11/2017 | ISLD-201801-001 | APPLE INC |
S1
S2
S3
|
No | Family Member | |||
US2013322399A1 | 4G | 13/06/2019 | ISLD-201909-023 | APPLE INC |
S1
S2
|
No | Family Member |
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

Product
Use Cases

Services
Claim
1. A method for receiving data by a subscriber station in an orthogonal frequency division multiplexing access (OFDMA) system comprising:
a) receiving and downconverting a plurality of orthogonal frequency division multiplexing (OFDM) symbols, said plurality of OFDM symbols comprising a first plurality of subcarriers, said first plurality of subcarriers being defined in a soft handoff zone comprising a first dimension of subchannels, said first dimension of subchannels comprising said first plurality of subcarriers; and a second dimension of divided and multiplexed OFDM symbols; said first plurality of subcarriers in said soft handoff zone having a subchannel definition;
b) providing a Fourier Transform (FT) on each of said first plurality of subcarriers to generate a plurality of divided-multiplexed coded signals; and
c) providing division-multiplexing decoding on the plurality of divided-multiplexed coded signals to recover data from a base station.', 'a) receiving and downconverting a plurality of orthogonal frequency division multiplexing (OFDM) symbols, said plurality of OFDM symbols comprising a first plurality of subcarriers, said first plurality of subcarriers being defined in a soft handoff zone comprising a first dimension of subchannels, said first dimension of subchannels comprising said first plurality of subcarriers; and a second dimension of divided and multiplexed OFDM symbols; said first plurality of subcarriers in said soft handoff zone having a subchannel definition;', 'b) providing a Fourier Transform (FT) on each of said first plurality of subcarriers to generate a plurality of divided-multiplexed coded signals; and', 'c) providing division-multiplexing decoding on the plurality of divided-multiplexed coded signals to recover data from a base station.
2. The method of claim 1, wherein said first plurality of subcarriers is divided in a frequency domain.
3. The method of claim 1, wherein said subchannel definition is identical for each of said first plurality of subcarriers.
4. The method of claim 1, wherein said subchannel definition is a subcarrier permutation.
5. The method of claim 1, wherein said first plurality of subcarriers is divided and multiplexed using time division multiplexing.
6. The method of claim 1, wherein receiving and downconverting the plurality of OFDM symbols further comprises receiving and downconverting the plurality of OFDM symbols via a plurality of antennas; said plurality of antennas receiving the first plurality of subcarriers from a first base station and a second plurality of subcarriers from one or more second base stations, wherein said first plurality of subcarriers and said second plurality of subcarriers are in said soft handoff zone and form a macro-diversity transmission.
7. The method of claim 6, wherein said macro-diversity transmission is a multi-input multi-output (MIMO) transmission, and said first base station and said one or more than one second base stations provide a plurality of antennas to form an antenna pool.
8. The method of claim 6, wherein said received first plurality of subcarriers is different from said received second plurality of subcarriers.
9. The method of claim 6, wherein said received first plurality of subcarriers is identical to said received second plurality of subcarriers, and all or some antennas in said antenna pool transmit said subcarriers in a same data region, achieving a combination of radio frequency (RF) signals from said first base station and said one or more than one second base stations
10. The method of claim 6, wherein said received first plurality of subcarriers is in a first data region, and wherein said received second plurality of subcarriers is transmitted through a second set of antennas in a second data region of a same size, wherein the first plurality of subcarriers and the second plurality of subcarriers are soft-combined to achieve diversity combining and soft combining gain
11. The method of claim 6, wherein said received first plurality of subcarriers is transmitted through a first set of antennas in a first data region, and said received second plurality of subcarriers is transmitted through a second set of antennas in a second data region, wherein said first plurality of subcarriers and said second plurality of subcarriers are separately decoded to achieve data rate increase.']
Associated Portfolios

![]() |
![]() |
![]() |
![]() |
---|---|---|---|
Claim charts will soon be available!
|
SUMMARY
ClaimChart-US8331324B2-STO
Patent number:US8331324B2
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.