Abstract
A method for exchanging information in a wireless communication system and an apparatus for wireless communication are disclosed. The apparatus comprises means for using a first sequence for exchanging first information in a first time interval and means for using a second sequence for exchanging second information in a second time interval. The first sequence is modulated based on the first information to generate a first modulated sequence and the first modulated sequence is sent on a first subset of a plurality of subcarriers. The second sequence is a cyclic shift of the first sequence and is modulated based on the second information to generate a second modulated sequence. The second modulated sequence is sent on a second subset of a plurality of subcarriers. The base sequence is a constant amplitude zero auto correlation sequence.
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Specification Information
Specification Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Resource configuration Signal Processing
Product
User Equipment (UE/Terminal)Base Station (eNB/gNB)
Use Cases
Wireless communication
Services
Transmitting/receiving data in uplink
Claim
1. An apparatus for wireless communication, comprising:
means for using a first sequence for exchanging first information in a first time interval, the first sequence being modulated based on the first information to generate a first modulated sequence, the first modulated sequence being sent on a first subset of a plurality of subcarriers; and means for using a second sequence for exchanging second information in a second time interval, the second sequence being a cyclic shift of the first sequence and modulated based on the second information to generate a second modulated sequence, the second modulated sequence being sent on a second subset of a plurality of subcarriers.
2. The apparatus of claim 1, further comprising:
means for generating the first sequence by cyclically shifting a base sequence by a first amount; and means for generating the second sequence by cyclically shifting the base sequence by a second amount di fferent from the first amount.
3. The apparatus of claim 1 or 2, wherein the means for using the first sequence for exchanging information comprises means for generating the first modulated sequence based on the first sequence and a first modulation symbol for the first information, and means for sending the first modulated sequence in the first time interval, and wherein the means for using the second sequence for exchanging information comprises means for generating the second modulated sequence based on the second sequence and a second modulation symbol for the second informatioon, and means for sending the second modulated sequence in the second time interval.
4. The apparatus of claim 3, wherein the means for sending the first modulated sequence comprises means for sending K symbols for the first modulated
Recevied by IPONZ on 11 July 2011
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sequence on K consecutive subcarriers in the first time interval, and wherein the means for sending the second modulated sequence comprises means for sending K symbols for the second modulated sequence on K consecutive subcarriers in the second time interval.
5. The apparatus of claim 3, further comprising:
means for generating the first and second modulation symbols based on only acknowledgement (ACK) information, or only channel quality indicator (CQI) information, or both ACK and CQI information.
6. The apparatus of any one of claims 1-5, wherein the means for using the first sequence for exchanging information comprises means for receiving the first modulated sequence in the first time interval, and means for correlating the first modulated sequence with the first sequence to obtain the first information sent in the first time interval, and wherein the means for using the second sequence for exchanging information comprises means for receiving the second modulated sequence in the second time interval, and means for correlating the second modulated sequence with the second sequence to obtain the second information sent in the second time interval.
7. The apparatus of any one of claims 1-6, further comprising:
means for receiving information sent simultaneously by M user equipments (UEs) with M sequences of different cyclic shifts in the first time interval, where M is one or greater, and the M sequences comprising the first sequence.
8. The apparatus of any one of claims 1-7, comprising:
at least one processor; and a memory coupled to the at least one processor.
9. The apparatus of claim 2 or any one of claims 3-7 when dependent on claim 2, wherein the base sequence is a CAZAC (constant amplitude zero auto correlation) sequence.
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23
10. The apparatus of claim 8 when dependent on claim 3, wherein the at least one processor is configured to multiply each of K samples for the first sequence with the first modulation symbol to obtain a corresponding one of K symbols for the first modulated sequence, and to multiply each of K samples for the second sequence with the second modulation symbol to obtain a corresponding one of K symbols for the second modulated sequence.
11. The apparatus of any one of claims 8-10, wherein the at least one processor is configured to determine cyclic shifts for the first and second sequences based on a hopping pattern.
12. The apparatus of any one of claims 1-11, wherein the second information is the same as the first information.
13. A method for exchanging information in a wireless communication system, implemented by an apparatus and comprising:
using a first sequence for exchanging first information in a first time interval, the first sequence being modulated based on the first information to generate a first modulated sequence, the first modulated sequence being sent on a first subset of a plurality of subcarriers; and using a second sequence for exchanging second information in a second time interval, the second sequence being a cyclic shift of the first sequence and modulated based on the second information to generate a second modulated sequence, the second modulated sequence being sent on a second subset of the plurality of subcarriers..
14. The method of claim 13, wherein the using the first sequence for exchanging the first information comprises generating the first modulated sequence based on the first sequence and a first modulation symbol for the first information, and sending the first modulated sequence in the first time interval, and wherein the using the second sequence for exchanging the second information comprises generating the second modulated sequence based on the second sequence and a second modulation symbol for
Recevied by IPONZ on 11 July 2011
24
the second information, and sending the second modulated sequence in the second time interval.
15. The method of claim 13 or 14, wherein the second information is the same as the first information.
16. The method of claim 14 or 15, further comprising:
generating the first and second modulation symbols based on only acknowledgement (ACK) information, or only channel quality indicator (CQI) information, or both ACK and CQI information.
17. The method of any one of claims 13-16, wherein the using the first sequence for exchanging the first information comprises receiving the first modulated sequence in the first time interval, and correlating the first modulated sequence with the first sequence to obtain the first information sent in the first time interval, and wherein the using the second sequence for exchanging the second information comprises receiving the second modulated sequence in the second time interval, and correlating the second modulated sequence with the second sequence to obtain the second information sent in the second time interval.
18. The method of any one of claims 13-17, further comprising:
receiving information sent simultaneously by M user equipments (UEs) with M sequences of different cyclic shifts in the first time interval, where M is one or greater, and the M sequences comprising the first sequence.
19. A processor-readable medium having stored thereon processor-exeuctable instructions which, when executed by a processor, cause the processor to perform a method including:
using a first sequence for exchanging first information in a first time interval, the first sequence being modulated based on the first information to generate a first
Recevied by IPONZ on 11 July 2011
25
modulated sequence, the first modulated sequence being sent on a first subset of the plurality of subcarriers; and using a second sequence for exchanging second information in a second time interval, the second sequence being a cyclic shift of the first sequence and modulated based on the second information to generate a second modulated sequence, the second modulated sequence being sent on a second subset of the plurality of subcarriers.
20. An apparatus for wireless communication substantially as hereinbefore described with reference to any one of the embodiments shown in the figures.
21. A method for wireless communication implemented by an apparatus substantially as hereinbefore described with reference to any one of the embodiments shown in the figures.
22. A processor-readable medium having stored thereon instructions substantially as hereinbefore described with reference to any one of the embodiments shown in the figures.
Qualcomm Incorporated ttorneys
James & W Icctual Property
Associated Portfolios
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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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.