Abstract
For certain embodiments of the present disclosure a method and apparatus for transmitting in a multi-antenna communication system is provided. The method comprises modulating a plurality of signals to be transmitted from each antenna of a plurality of antennas with at least one subband of a different one of a plurality of groups of subbands wherein each of the plurality of groups includes a different subset of the plurality of subbands and wherein the plurality of subbands of a first group are noncontiguous and transmitting at least some the plurality of signals substantially simultaneously from different ones of the plurality of antennas.
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Specification Information
Specification Information
Technologies
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Technologies
Resource configuration Channel Status Information(CSI) Reporting Multiple-Input Multiple-Output(MIMO)/Massive MIMO
Product
Base Station (eNB/gNB)User Equipment (UE/Terminal)
Use Cases
Network OptimizationWireless communication
Services
Channel Quality Measurement/Estimation
Claim
1. A method of transmitting in a multi-antenna communication system, comprising:
modulating a plurality of signals to be transmitted from each antenna of a plurality of antennas with at least one subband of a different one of a plurality of groups of subbands from available subbands, wherein each of the plurality of groups of subbands includes a different subset of the available subbands and wherein the subbands of a first group are noncontiguous; and
transmitting at least some of the plurality of signals substantially simultaneously from different ones of the plurality of antennas.', 'modulating a plurality of signals to be transmitted from each antenna of a plurality of antennas with at least one subband of a different one of a plurality of groups of subbands from available subbands, wherein each of the plurality of groups of subbands includes a different subset of the available subbands and wherein the subbands of a first group are noncontiguous; and', 'transmitting at least some of the plurality of signals substantially simultaneously from different ones of the plurality of antennas.
2. The method of claim 1, wherein each of the plurality of groups of subbands includes a same number of subbands.
3. The method of claim 1, wherein the subbands in each of the plurality of groups of subbands are uniformly distributed across the available subbands.
4. The method of claim 1, further comprising orthogonally coding a pilot symbol that is to be transmitted from at least one of the plurality of antennas.
5. The method of claim 4, wherein the pilot symbol is orthogonally coded with a Walsh code sequence.
6. The method of claim 4, wherein the pilot symbol is encoded with a shifted Maximal-Length Shift Register sequence (m-sequence).
7. The method of claim 1, wherein the multi-antenna communication system utilizes orthogonal frequency division multiplexing (OFDM).
8. A base station comprising:
a plurality of transmit antennas;
a processor configured to instruct a plurality of pilot symbols to be transmitted from the plurality of transmit antennas with one subset of a plurality of sub-channel subsets from available sub-channels, wherein each sub-channel subset comprises a plurality of sub-channels that are noncontiguous and includes different ones of the available sub-channels; and
a plurality of modulators, each modulator coupled to the processor and to at least one of the plurality of transmit antennas, configured to modulate the plurality of pilot symbols with appropriate sub-channels of the one subset of the plurality of sub-channel subsets.', 'a plurality of transmit antennas;', 'a processor configured to instruct a plurality of pilot symbols to be transmitted from the plurality of transmit antennas with one subset of a plurality of sub-channel subsets from available sub-channels, wherein each sub-channel subset comprises a plurality of sub-channels that are noncontiguous and includes different ones of the available sub-channels; and', 'a plurality of modulators, each modulator coupled to the processor and to at least one of the plurality of transmit antennas, configured to modulate the plurality of pilot symbols with appropriate sub-channels of the one subset of the plurality of sub-channel subsets.
9. The base station of claim 8, wherein the plurality of pilot symbols comprises a plurality of orthogonal pilot symbols
10. The base station of claim 8, wherein the plurality of pilot symbols comprises a plurality of periodic OFDM symbols
11. The base station of claim 8, wherein the processor codes the plurality of pilot symbols with a plurality of shifted Maximal-Length Shift Register sequences (m-sequences)
12. The base station of claim 8, wherein each of the plurality of sub-channel subsets includes a same number of available sub-channels
13. The base station of claim 8, wherein the plurality of sub-channels in each of the plurality of sub-channel subsets is are uniformly distributed across the plurality of sub-channels
14. An apparatus in a multi-antenna communication system, comprising:
means for modulating a plurality of signals to be transmitted from each antenna of a plurality of antennas with at least one subband of a different one of a plurality of groups of subbands from available subbands, wherein each of the plurality of groups of subbands includes a different subset of the available subbands and wherein the subbands of a first group are noncontiguous; and
means for transmitting at least some of the plurality of signals substantially simultaneously from different ones of the plurality of antennas.', 'means for modulating a plurality of signals to be transmitted from each antenna of a plurality of antennas with at least one subband of a different one of a plurality of groups of subbands from available subbands, wherein each of the plurality of groups of subbands includes a different subset of the available subbands and wherein the subbands of a first group are noncontiguous; and', 'means for transmitting at least some of the plurality of signals substantially simultaneously from different ones of the plurality of antennas
15. The apparatus of claim 14, wherein each of the plurality of groups of subbands includes a same number of subbands
16. The apparatus of claim 14, wherein the subbands in each of the plurality of groups of subbands are uniformly distributed across the available subbands
17. The apparatus of claim 14, further comprising means for orthogonally coding a pilot symbol that is to be transmitted from at least one of the plurality of antennas
18. The apparatus of claim 17, wherein the pilot symbol is encoded with a Walsh code sequence
19. The apparatus of claim 17, wherein the pilot symbol is encoded with a shifted Maximal-Length Shift Register sequence (in-sequence).
20. The apparatus of claim 17, wherein the multi-antenna communication system utilizes orthogonal frequency division multiplexing (OFDM).
21. A computer-program product for transmitting in a multi-antenna communication system comprising a computer readable medium executable using one or more processors having instructions thereon, the instructions comprising:
instructions for modulating a plurality of signals to be transmitted from each antenna of a plurality of antennas with at least one subband of a different one of a plurality of groups of subbands from available subbands, wherein each of the plurality of groups of subbands includes a different subset of the available subbands and wherein the subbands of a first group are noncontiguous; and
instructions for transmitting at least some of the plurality of signals substantially simultaneously from different ones of the plurality of antennas.', 'instructions for modulating a plurality of signals to be transmitted from each antenna of a plurality of antennas with at least one subband of a different one of a plurality of groups of subbands from available subbands, wherein each of the plurality of groups of subbands includes a different subset of the available subbands and wherein the subbands of a first group are noncontiguous; and', 'instructions for transmitting at least some of the plurality of signals substantially simultaneously from different ones of the plurality of antennas.
22. The computer-program product of claim 21, wherein each of the plurality of groups of subbands includes a same number of subbands.
23. The computer-program product of claim 21, wherein the subbands in each of the plurality of groups of subbands are uniformly distributed across the available subbands.
24. The computer-program product of claim 21, further comprising instructions for orthogonally coding a pilot symbol that is to be transmitted from at least one of the plurality of antennas.
25. The computer-program product of claim 24, further comprising instructions for orthogonally coding the pilot symbol with a Walsh code sequence.
26. The computer-program product of claim 24, further comprising instructions for coding the pilot symbol with a shifted Maximal-Length Shift Register sequence (m-sequence).
27. The computer-program product of claim 24, wherein the multi-antenna communication system utilizes orthogonal frequency division multiplexing (OFDM).']
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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.