Abstract
A method in a Central Node (CN) a method in a Remote Node (RN) and a method in a wireless communication system for allocating reference signals to be used for uplink transmission are disclosed. According to one aspect reference signals are allocated with a method comprising the steps of: determining in a CN a number of reference signals N to be used for uplink transmission by a Remote Node RN; indicating to the RN the number of reference signals N to be used for uplink transmission by the RN; configuring an uplink transmission by the RN with at most the number of reference signals N; and performing by the RN the uplink transmission with at most the number of reference signals Non transmit antennas comprised in the RN. The present disclosure further discloses a CN and a RN relating to the methods.
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5G | 24/12/2017 | ISLD-201711-019 | HUAWEI |
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WO2010051663A1 | 5G | 24/12/2017 | ISLD-201711-019 | HUAWEI |
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US8634844B2 | 5G | 24/12/2017 | ISLD-201711-019 | HUAWEI |
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US2014080497A1 | 5G | 24/12/2017 | ISLD-201711-019 | HUAWEI |
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Technologies
Product
User Equipment (UE/Terminal)
Use Cases
Services
Claim
1. A remote node in a wireless communication system comprising:
at least one transmit antenna for uplink transmission comprising; and
at least one processor configured to:
receive an indication of a number of reference signals to be used for uplink transmission;
configure an uplink transmission with the number of reference signals; and
perform the uplink transmission with the number of reference signals on the at least one transmit antenna,
wherein the reference signals comprise demodulation reference signals (DRSes) orthogonal to each other.
2. The remote node according to claim 1, wherein the remote node receives the indication of the number of reference signals to be used for uplink transmission by the remote node through radio resource control (RRC) signalling.
3. The remote node according to claim 1, wherein the wireless communication system is a 3GPP long term evolution advanced (LTE-A) system.
4. The remote node according to claim 1, wherein a set of the DRSes is finite.
5. An apparatus in a remote node in a wireless communication system, the apparatus comprising:
at least one transmit antenna for uplink transmission and;
at least one processor configured to:
receive an indication of a number of reference signals to be used for uplink transmission;
configure an uplink transmission with the number of reference signals; and
perform the uplink transmission with the number of reference signals on the at least one transmit antenna,
wherein the reference signals comprise demodulation reference signals (DRSes) orthogonal to each other.
6. The apparatus according to claim 5, further configured to receive the indication of the number of reference signals to be used for uplink transmission by the remote node through radio resource control (RRC) signalling.
7. The apparatus according to claim 5, wherein the wireless communication system is a 3GPP long term evolution advanced (LTE-A) system.
8. The apparatus according to claim 5, wherein a set of the DRSes is finite.
9. A non-transitory computer-readable storage medium having stored thereon a computer program comprising at least one code section for operating a remote node in a wireless communication system, the at least one code section being executable by a machine for causing the machine to perform acts of:
receiving an indication of a number of reference signals to be used for uplink transmission;
configuring an uplink transmission with the number of reference signals; and
performing the uplink transmission with the number of reference signals on the at least one transmit antenna,
wherein the reference signals comprise demodulation reference signals (DRSes) orthogonal to each other.
10. The non-transitory computer-readable storage medium according to claim 9, wherein the indicating is performed through radio resource control (RRC) signalling.
11. The non-transitory computer-readable storage medium according to claim 9, wherein the wireless communication system comprises a 3GPP long term evolution advanced (LTE-A) system.
12. The non-transitory computer-readable storage medium according to claim 9, wherein the set of the DRSes is finite.
Associated Portfolios
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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.