Abstract
A quantity of antenna ports of a transmitting apparatus is signalled in a wireless communication system. The quantity of antenna ports of the transmitting apparatus is encoded into a first type information and a second type information. The first type information is transmitted on a physical broadcast channel (PBCH); and the second type information is transmitted on a physical downlink shared channel (PDSCH). The PDSCH is transmitted on at least one antenna port indicated by the first type 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
Multiple-Input Multiple-Output(MIMO)/Massive MIMO
Product
User Equipment (UE/Terminal)
Use Cases
Services
Claim
1. A method of receiving a quantity of antenna ports of a transmitting apparatus in a wireless communication system, comprising:
receiving, by a receiving apparatus, a first type information on a physical broadcast channel (PBCH) in a case that the first type information is detectable to the receiving apparatus;
receiving, by the receiving apparatus, a second type information on a physical downlink shared channel (PDSCH) in a case that the second type information is detectable to the receiving apparatus, wherein the PDSCH is transmitted on at least one antenna port indicated by the first type information;
decoding, by the receiving apparatus, the quantity of antenna ports of the transmitting apparatus according to the first type information in a case that only the first type information is detectable to the receiving apparatus; and
decoding, by the receiving apparatus, the quantity of antenna ports of the transmitting apparatus according to the first type information and the second type information in a case that both the first type information and the second type information are detectable to the receiving apparatus.
2. The method of claim 1, wherein the first type information indicates the quantity of antenna ports of the transmitting apparatus being one of the following: one, two and four.
3. The method of claim 1, wherein the second type information indicates the quantity of antenna ports of the transmitting apparatus being one of the following: zero, two, four, and eight.
4. The method of claim 1, wherein each of the antenna ports of the transmitting apparatus is defined by a reference signal.
5. The method of claim 1, wherein the second type information relates to a number of antenna ports, each of which is defined by a channel state information reference signal (CSI-RS).
6. The method of claim 1, wherein the first type information is used by a user equipment for demodulating at least one control channel.
7. The method of claim 1, wherein the second type information is used by a user equipment for channel measurement.
8. A receiving apparatus, comprising at least one processor configured to:
receive a first type information on a physical broadcast channel (PBCH) in a case that the first type information is detectable to the receiving apparatus;
receive a second type information on a physical downlink shared channel (PDSCH) in a case that the second type information is detectable to the receiving apparatus, wherein the PDSCH is transmitted on at least one antenna port indicated by the first type information;
decode a quantity of antenna ports of a transmitting apparatus according to the first type information in a case that only the first type information is detectable to the receiving apparatus; and
decode the quantity of antenna ports of the transmitting apparatus according to the first type information and the second type information in a case that both the first type information and the second type information are detectable to the receiving apparatus.
9. The receiving apparatus of claim 8, wherein the first type information indicates the quantity of antenna ports of the transmitting apparatus being one of the following: one, two and four.
10. The receiving apparatus of claim 8, wherein the second type information indicates the quantity of antenna ports of the transmitting apparatus being one of the following: zero, two, four, and eight.
11. The receiving apparatus of claim 8, wherein each of the antenna ports of the transmitting apparatus is defined by a reference signal.
12. The receiving apparatus of claim 8, wherein the second type information relates to a number of antenna ports, each of which is defined by a channel state information reference signal (CSI-RS).
13. The receiving apparatus of claim 8, wherein the first type information is used by the receiving apparatus for demodulating at least one control channel.
14. The receiving apparatus of claim 8, wherein the second type information is used by the receiving apparatus for channel measurement.
15. A wireless communication system, comprising a receiving apparatus and a transmitting apparatus, wherein the receiving apparatus comprises at least one processor configured to:
receive a first type information on a physical broadcast channel (PBCH) in a case that the first type information is detectable to the receiving apparatus;
receive a second type information on a physical downlink shared channel (PDSCH) in a case that the second type information is detectable to the receiving apparatus, wherein the PDSCH is transmitted on at least one antenna port indicated by the first type information;
decode the quantity of antenna ports of the transmitting apparatus according to the first type information in a case that only the first type information is detectable to the receiving apparatus; and
decode the quantity of antenna ports of the transmitting apparatus according to the first type information and the second type information in a case that both the first type information and the second type information are detectable to the receiving apparatus.
16. The wireless communication system of claim 15, wherein the first type information indicates the quantity of antenna ports of the transmitting apparatus being one of the following: one, two and four.
17. The wireless communication system of claim 15, wherein the second type information indicates the quantity of antenna ports of the transmitting apparatus being one of the following: zero, two, four, and eight.
18. The wireless communication system of claim 16, wherein the second type information indicates the quantity of antenna ports of the transmitting apparatus being one of the following: zero, two, four, and eight.
19. The wireless communication system of claim 15, wherein each of the antenna ports of the transmitting apparatus is defined by a reference signal.
20. The wireless communication system of claim 15, wherein the second type information relates to a number of antenna ports, each of which is defined by a channel state information reference signal (CSI-RS).
21. The wireless communication system of claim 18, wherein the second type information relates to a number of antenna ports, each of which is defined by a CSI-RS.
22. The wireless communication system of claim 15, wherein the first type information is used by the receiving apparatus for demodulating at least one control channel.
23. The wireless communication system of claim 15, wherein the second type information is used by the receiving apparatus for channel measurement.
24. The method of claim 2, wherein the second type information indicates the quantity of antenna ports of the transmitting apparatus being one of the following: zero, two, four, and eight.
25. The method of claim 3, wherein the second type information relates to a number of antenna ports, each of which is defined by a channel state information reference signal (CSI-RS).
26. The method of claim 24, wherein the second type information relates to a number of antenna ports, each of which is defined by a CSI-RS.
27. The receiving apparatus of claim 9, wherein the second type information indicates the quantity of antenna ports of the transmitting apparatus being one of the following: zero, two, four, and eight.
28. The receiving apparatus of claim 10, wherein the second type information relates to a number of antenna ports, each of which is defined by a channel state information reference signal (CSI-RS).
29. The receiving apparatus of claim 27, wherein the second type information relates to a number of antenna ports, each of which is defined by a CSI-RS.
30. A wireless communication system, comprising a receiving apparatus and a transmitting apparatus, wherein
the transmitting apparatus comprises at least one processor configured to:
transmit a first type information on a physical broadcast channel (PBCH); and
transmit a second type information on a physical downlink shared channel (PDSCH);
the receiving apparatus comprises at least one processor configured to:
receive the first type information on the PBCH in a case that the first type information is detectable to the receiving apparatus;
receive the second type information on the PDSCH in a case that the second type information is detectable to the receiving apparatus, wherein the PDSCH is transmitted on at least one antenna port indicated by the first type information;
decode a quantity of antenna ports of the transmitting apparatus according to the first type information in a case that only the first type information is detectable to the receiving apparatus; and
decode a quantity of antenna ports of the transmitting apparatus according to the first type information and the second type information in a case that both the first type information and the second type information are detectable to the receiving apparatus.
31. A method of communicating a quantity of antenna ports of a transmitting apparatus in a wireless communication system, comprising:
transmitting, by a transmitting apparatus, a first type information on a physical broadcast channel (PBCH);
transmitting, by the transmitting apparatus, a second type information on a physical downlink shared channel (PDSCH);
receiving, by a receiving apparatus, the first type information on the PBCH in a case that the first type information is detectable to the receiving apparatus;
receiving, by the receiving apparatus, the second type information on the PDSCH in a case that the second type information is detectable to the receiving apparatus, wherein the PDSCH is transmitted on at least one antenna port indicated by the first type information;
decoding, by the receiving apparatus, a quantity of antenna ports of the transmitting apparatus according to the first type information in a case that only the first type information is detectable to the receiving apparatus; and
decoding, by the receiving apparatus, a quantity of antenna ports of the transmitting apparatus according to the first type information and the second type information in a case that both the first type information and the second type information are detectable to the receiving apparatus.
32. A non-transitory computer-readable storage medium storing programming for execution by at least one processor of a receiving apparatus, the programming including instruction for:
receiving, by the receiving apparatus, a first type information on a physical broadcast channel (PBCH) in a case that the first type information is detectable to the receiving apparatus;
receiving, by the receiving apparatus, a second type information on a physical downlink shared channel (PDSCH) in a case that the second type information is detectable to the receiving apparatus, wherein the PDSCH is transmitted on at least one antenna port indicated by the first type information;
decoding, by the receiving apparatus, a quantity of antenna ports of the transmitting apparatus according to the first type information in a case that only the first type information is detectable to the receiving apparatus; and
decoding, by the receiving apparatus, a quantity of antenna ports of the transmitting apparatus according to the first type information and the second type information in a case that both the first type information and the second type information are detectable to the receiving apparatus.
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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.
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