Abstract
Embodiments of the present disclosure provide a transmitter, a receiver and methods of operating a transmitter or a receiver. In one embodiment, the transmitter is for use with a base station and includes a primary module configured to provide a primary synchronization signal. The transmitter also includes a secondary mapping module configured to provide a secondary synchronization signal derived from two sequences taken from a same set of N sequences and indexed by an index pair (S1, S2) with S1 and S2 ranging from zero to N?1, wherein the index pair (S1, S2) is contained in a mapped set of index pairs corresponding to the same set of N sequences that defines a cell identity group. Additionally, the transmitter further includes a transmit module configured to transmit the primary and secondary synchronization signals.
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US2009080407A1 | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC | Yes | Basis Patent | ||||
US2009080407A1 | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
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US2009080407A1 | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | Yes | Basis Patent | ||||
US2009080407A1 | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | Yes | Basis Patent | ||||
US2009080407A1 | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | Yes | Basis Patent | ||||
US9025586B2 | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC | Yes | Basis Patent | ||||
US9025586B2 | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
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US9025586B2 | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | Yes | Basis Patent | ||||
US9025586B2 | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | Yes | Basis Patent | ||||
US9025586B2 | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | Yes | Basis Patent | ||||
CN101868928A | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC | No | Family Member | ||||
CN101868928A | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
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CN101868928A | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
CN101868928A | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
CN101868928A | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
CN101868928B | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC | No | Family Member | ||||
CN101868928B | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
S1
S2
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No | Family Member | |||
CN101868928B | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
CN101868928B | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
CN101868928B | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
EP2193614A1 | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC | No | Family Member | ||||
EP2193614A1 | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
S1
S2
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No | Family Member | |||
EP2193614A1 | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
EP2193614A1 | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
EP2193614A1 | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
EP2193614A4 | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC | No | Family Member | ||||
EP2193614A4 | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
S1
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No | Family Member | |||
EP2193614A4 | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
EP2193614A4 | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
EP2193614A4 | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
KR101170235B1 | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC | No | Family Member | ||||
KR101170235B1 | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
S1
S2
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No | Family Member | |||
KR101170235B1 | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
KR101170235B1 | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
KR101170235B1 | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
KR20100068463A | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC | No | Family Member | ||||
KR20100068463A | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
S1
S2
|
No | Family Member | |||
KR20100068463A | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
KR20100068463A | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
KR20100068463A | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
WO2009039470A1 | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC | No | Family Member | ||||
WO2009039470A1 | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
S1
S2
|
Yes | Family Member | |||
WO2009039470A1 | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
WO2009039470A1 | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
WO2009039470A1 | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
CN104506295A | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC | No | Family Member | ||||
CN104506295A | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
S1
S2
|
No | Family Member | |||
CN104506295A | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
CN104506295A | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
CN104506295A | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
US2014348145A1 | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC | No | Family Member | ||||
US2014348145A1 | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
S1
S2
|
Yes | Family Member | |||
US2014348145A1 | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
US2014348145A1 | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
US2014348145A1 | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
US9806859B2 | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC | No | Family Member | ||||
US9806859B2 | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
S1
S2
|
Yes | Family Member | |||
US9806859B2 | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
US9806859B2 | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
US9806859B2 | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | Yes | Family Member | ||||
US2018123750A1 | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC | No | Family Member | ||||
US2018123750A1 | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
S1
S2
|
No | Family Member | |||
US2018123750A1 | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
US2018123750A1 | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
US2018123750A1 | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
EP3337060A1 | 4G | 06/12/2020 | ISLD-202012-008 | APPLE INC | No | Family Member | ||||
EP3337060A1 | 4G | 26/03/2017 | ISLD-201703-153 | INTEL CORP |
S1
S2
|
No | Family Member | |||
EP3337060A1 | Not Available | 09/11/2011 | ISLD-201111-002 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
EP3337060A1 | 4G | 21/03/2012 | ISLD-201203-017 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
EP3337060A1 | 4G | 15/10/2015 | ISLD-201509-009 | TEXAS INSTRUMENTS INC | No | Family Member | ||||
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US10218470B2 | ----- | ----- | ----- | ----- | ----- | ----- | ----- |
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Technologies
Product
Use Cases
Services
Claim
1. An apparatus of a user equipment (UE), the apparatus comprising:
processing circuitry, the processing circuitry configured to:
decode a primary synchronization signal (PSS) to obtain physical layer identity, the PSS received from an evolved Node-B (eNB);
decode a secondary synchronization signal (SSS) to obtain a physical-layer cell-identity group from two sequences, wherein the physical-layer cell-identity group is an integer, each of the two sequences taken from a set of N sequences indexed by an index pair;
determine a physical-layer cell identity (PCI) based on the physical layer identity and the physical-layer cell-identity group; and
perform time and frequency synchronization with a cell of the eNB based on the PSS and the SSS; and
memory, the memory coupled to the processing circuitry and configured to store the PCI.
2. The apparatus of claim 1, wherein the SSS is a 62-bit sequence comprising an interleaved concatenation of two length-31 sequences.
3. The apparatus of claim 2, wherein each of the length-31 sequences includes the two sequences, wherein each of the two sequences appears at a different even or odd position within the two length-31 sequences respectively.
4. The apparatus of claim 1, wherein each index in the index pair ranges from 0 to N?1, and wherein N is an integer such that 0?N?30.
5. The apparatus of claim 1, wherein the physical-layer cell-identity group (PUG) is an integer such that 0?PCIG?167.
6. The apparatus of claim 1, wherein the two sequences represent two different cyclic shifts of the same M-sequence.
7. The apparatus of claim 1, wherein the physical-layer cell-identity group (PCIG) and the index pair (ind0, ind1) are mapped according to the following mapping:
PCIG
ind0
ind1
0
0
1
1
1
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2
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0
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1
8
167
2
9.
8. The apparatus of claim 1, wherein the PSS and the SSS are received within slot 0 and slot 10 of a downlink frame, and wherein the processing circuitry refrains from decoding PSS and SSS signalling within remaining slots of the frame.
9. The apparatus of claim 8, wherein the PSS has a fixed position at the last OFDM symbol in slots 0 and 10 of the downlink frame.
10. The apparatus of claim 8, wherein the downlink frame includes 10 subframes having positions in the frame that are identified as subframes 0 to 9, and wherein the processing circuitry is to configure the UTE to receive the PSS only in non-empty subframes having predetermined positions identified as subframes 0 and 5.
11. The apparatus of claim 10, wherein a subframe comprises fourteen symbols identified as symbols #0 to #13, and the PSS has a fixed position at symbol #6 in subframes 0 and 5, and the SSS has a fixed position at symbol #5 in subframes 0 and 5.
12. The apparatus of claim 1, further comprising:
one or more antennas; and
transceiver circuitry coupled to the processing circuitry and the one or more antennas, and configured to receive the PSS and the SSS.
13. An apparatus of an Evolved Node-B (eNB), the apparatus comprising:
processing circuitry, the processing circuitry configured to:
generate a primary synchronization signal (PSS) to include a physical layer identity;
generate a secondary synchronization signal (SSS) to include a physical-layer cell-identity group using two sequences, wherein the physical-layer cell-identity group is an integer, each of the two sequences taken from a set of N sequences indexed by an index pair, wherein each index in the index pair ranges from 0 to N?1; and
encode one or more downlink subframes for transmission to a user equipment (UE) to include the PSS and the SSS at fixed positions of the subframes; and
memory, the memory coupled to the processing circuitry and configured to store the set of N sequences.
14. The apparatus of claim 13, wherein the SSS is a 62-bit sequence comprising an interleaved concatenation of two length-31 sequences.
15. The apparatus of claim 14, wherein each of the length-31 sequences includes the two sequences, wherein each of the two sequences appears at a different even or odd position within the two length-31 sequences respectively.
16. The apparatus of claim 13, wherein each index in the index pair ranges from 0 to N?1, and wherein N is an integer such that 0?N?30.
17. The apparatus of claim 13, wherein the physical-layer cell-identity group (PCIG) is an integer such that 0?PCIG?167.
18. The apparatus of claim 13, wherein the two sequences represent two different cyclic shifts of the same M-sequence.
19. A non-transitory computer readable storage device including instructions stored thereon, which when executed by one or more processors of a User Equipment (UE), cause the UE to perform operations to:
decode a primary synchronization signal (PSS) to obtain physical layer identity, the PSS received from an evolved Node-B (eNB);
decode a secondary synchronization signal (SSS) to obtain a physical-layer cell-identity group from two sequences, wherein the physical-layer cell-identity group is an integer, each of the two sequences taken from a set of N sequences indexed by an index pair, wherein each index in the index pair is an integer ranging from 0 to N?1;
determine a physical-layer cell identity (PCI) based on the physical layer identity and the physical-layer cell-identity group; and
perform time and frequency synchronization with a cell of the eNB based on the PSS and the SSS.
20. The non-transitory computer readable storage device of claim 19, wherein
the SSS is a 62-bit sequence comprising an interleaved concatenation of two length-31 sequences.
21. The non-transitory computer readable storage device of claim 20, wherein each of the length-31 sequences includes the two sequences, wherein each of the two sequences appears at a different even or odd position within the two length-31 sequences respectively.
22. The non-transitory computer readable storage device of claim 19, wherein N is an integer such that 0?N?30.
23. The non-transitory computer readable storage device of claim 19, wherein the physical-layer cell-identity group (PCIG) is an integer such that 0?PCIG?167.
24. The non-transitory computer readable storage device of claim 19, wherein the PSS and the SSS are received within slot 0 and slot 10 of a downlink frame, and wherein the one or more processors refrain from decoding PSS and SSS signalling within remaining slots of the frame.
25. The non-transitory computer readable storage device of claim 24, wherein the PSS has a fixed position at the last OFDM symbol in slots 0 and 10 of the downlink frame.
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