阅读说明：本技术 传送上行链路控制信息(uci) (Transmitting Uplink Control Information (UCI) ) 是由 S·阿卡拉卡兰 T·罗 于 2018-04-25 设计创作，主要内容包括：本公开的各方面涉及通过将信息嵌入在解调参考信号(DMRS)序列中来无线地传达该信息。在本文所公开的一些示例中,DMRS序列可被配置成在上行链路(UL)通信中传达上行链路控制信息(UCI)。还要求保护和描述了其他方面、配置和特征。(Aspects of the present disclosure relate to wirelessly communicating information by embedding the information in a demodulation reference signal (DMRS) sequence. In some examples disclosed herein, DMRS sequences may be configured to communicate Uplink Control Information (UCI) in Uplink (UL) communications. Other aspects, configurations, and features are also claimed and described.)

1. A method of communicating information embedded in a demodulation reference signal (DMRS) sequence, comprising:

Selecting a first DMRS sequence to be used in wireless communication from a plurality of DMRS sequences, wherein one or more of the plurality of DMRS sequences are configured to communicate the information on a physical channel; and

Transmitting the wireless communication.

2. the method of claim 1, wherein the wireless communication comprises an Uplink (UL) message, and wherein the information comprises Uplink Control Information (UCI).

3. The method of claim 2, wherein the UCI comprises one or more of a hybrid automatic repeat request (HARQ) Acknowledgement (ACK), a HARQ Negative Acknowledgement (NACK), a Scheduling Request (SR), or Channel State Information (CSI).

4. The method of claim 2, wherein the plurality of DMRS sequences comprises a set of N DMRS sequences configured to communicate a UCI of log2(N) bits.

5. The method of claim 2, further comprising: determining to communicate a particular UCI, wherein the first DMRS sequence corresponds to the particular UCI.

6. the method of claim 2, wherein the first DMRS sequence is selected from a lookup table stored on a memory device.

7. The method of claim 6, wherein the lookup table comprises a one-to-one correspondence between the first DMRS sequence and the UCI.

8. The method of claim 2, further comprising: a pilot sub-sequence to be embedded in the selected first DMRS sequence is selected.

9. The method of claim 8, wherein a combination of the first DMRS sequence and the pilot subsequence is configured to communicate the UCI.

10. The method of claim 2, further comprising:

Receiving DMRS information including a look-up table that includes the plurality of DMRS sequences and one or more UCIs corresponding to each of the plurality of DMRS sequences; and

Storing the DMRS information in a memory device.

11. An apparatus for wireless communication of information embedded in a demodulation reference signal (DMRS), the apparatus comprising:

A transceiver;

a memory; and

At least one processor communicatively coupled to the transceiver and the memory, wherein the at least one processor is configured to:

Select a first DMRS sequence to be used in wireless communication from a plurality of DMRS sequences stored in the memory, wherein one or more of the plurality of DMRS sequences are configured to communicate the information on a physical channel; and

Transmitting the wireless communication via the transceiver.

12. The apparatus of claim 11, wherein the wireless communication comprises an Uplink (UL) message, and wherein the information comprises Uplink Control Information (UCI).

13. The apparatus of claim 12, wherein the UCI comprises one or more of a hybrid automatic repeat request (HARQ) Acknowledgement (ACK), a HARQ Negative Acknowledgement (NACK), a Scheduling Request (SR), or Channel State Information (CSI).

14. the apparatus of claim 12, wherein the plurality of DMRS sequences comprises a set of N DMRS sequences configured to communicate a UCI of log2(N) bits.

15. The apparatus of claim 12, wherein the first DMRS sequence is selected from a lookup table stored on the memory.

16. The apparatus of claim 15, wherein the lookup table comprises a one-to-one correspondence between the first DMRS sequence and the UCI.

17. The apparatus of claim 12, wherein the at least one processor is further configured to select a pilot subsequence to be embedded in the selected first DMRS sequence.

18. The apparatus of claim 17, wherein a combination of the first DMRS sequence and the pilot subsequence is configured to communicate the UCI.

19. The apparatus of claim 12, wherein the at least one processor is further configured to:

Receiving DMRS information including a look-up table that includes the plurality of DMRS sequences and one or more UCIs corresponding to each of the plurality of DMRS sequences; and

Storing the DMRS information in a memory device.

20. A method for combining control information with a payload in wireless communications, comprising:

Determining a first bit size of the first control information;

Determining a second bit size of the payload;

Comparing the first bit size to the second bit size to determine whether a threshold condition is satisfied; and

combining the first control information with the payload if the threshold condition is satisfied, wherein the payload comprises one or more of second control information and message data.

21. The method of claim 20, wherein the first control information comprises first Uplink Control Information (UCI), wherein the second control information comprises second UCI, and wherein the message data comprises Uplink (UL) message data.

22. the method of claim 21, further comprising: determining whether the first UCI can be embedded in a demodulation reference Signal (DMRS) without satisfying the threshold condition.

23. The method of claim 21, further comprising: determining whether the first UCI can be modified to reduce the first scaling size to a third bit size that satisfies the threshold condition if the first scaling size does not satisfy the threshold condition.

24. The method of claim 23, wherein determining whether the first UCI can be modified to reduce the first bit size is based on at least one priority metric associated with one or more of the first UCI or the payload.

25. The method of claim 21, wherein the threshold condition comprises the second bit size of the payload and a corresponding maximum bit size of the first UCI, and wherein the first bit size satisfies the threshold condition if equal to or less than the corresponding maximum bit size.

26. The method of claim 21, wherein the threshold condition is one of a plurality of threshold conditions stored on a lookup table in a memory device.

27. The method of claim 21, wherein the first UCI comprises one or more of a hybrid automatic repeat request (HARQ) Acknowledgement (ACK), a HARQ Negative Acknowledgement (NACK), a Scheduling Request (SR), or Channel State Information (CSI).

28. An apparatus for combining control information with a payload in wireless communications, comprising:

A transceiver;

A memory; and

At least one processor communicatively coupled to the transceiver and the memory, wherein the at least one processor and the memory are configured to:

a first bit size of the first control information is determined,

determining a second bit size of the payload,

Comparing the first bit size to the second bit size to determine whether a threshold condition is satisfied, an

Combining the first control information with the payload if the threshold condition is satisfied, wherein the payload comprises one or more of second control information and message data.

29. the apparatus of claim 28, wherein the first control information comprises first Uplink Control Information (UCI), wherein the second control information comprises second UCI, and wherein the message data comprises Uplink (UL) message data.

30. The apparatus of claim 29, wherein the at least one processor is further configured to: determining whether the UCI can be embedded in a demodulation reference Signal (DMRS) without satisfying the threshold condition.

31. The apparatus of claim 29, wherein the at least one processor is further configured to: determining whether the UCI can be modified to reduce the first scaling size to a third bit size that satisfies the threshold condition if the first scaling size does not satisfy the threshold condition.

32. the apparatus of claim 31, wherein the determination of whether the UCI can be modified to reduce the first relative size is based on at least one priority metric associated with one or more of the UCI or the payload.

33. The apparatus of claim 29, wherein the threshold condition comprises the second bit size of the payload and a corresponding maximum bit size of the UCI, and wherein the first bit size satisfies the threshold condition if equal to or less than the corresponding maximum bit size.

34. The apparatus of claim 29, wherein the memory is configured to store a plurality of threshold conditions.

35. The apparatus of claim 29, wherein the UCI comprises one or more of a hybrid automatic repeat request (HARQ) Acknowledgement (ACK), a HARQ Negative Acknowledgement (NACK), a Scheduling Request (SR), or Channel State Information (CSI).

36. A method for receiving control information, comprising:

receiving wireless communication comprising a DMRS sequence and control information; and

Determining the control information based on the DMRS sequence.

37. The method of claim 36, wherein the control information comprises Uplink Control Information (UCI), and wherein the wireless communication comprises an Uplink (UL) message.

38. The method of claim 37, wherein the UCI comprises one or more of a hybrid automatic repeat request (HARQ) Acknowledgement (ACK), a HARQ Negative Acknowledgement (NACK), a Scheduling Request (SR), or Channel State Information (CSI).

39. The method of claim 37, wherein determining the UCI based on the DMRS sequence further comprises: confirming a correspondence between the DMRS sequence and the UCI based on a lookup table stored on a memory device.

40. The method of claim 39, wherein the lookup table comprises a one-to-one correspondence between the DMRS sequence and the UCI.

41. the method of claim 40, wherein the DMRS sequence comprises an embedded pilot subsequence; and wherein determining the UCI is based on the DMRS sequence and the embedded pilot sub-sequence.

42. An apparatus for receiving control information, comprising:

A transceiver;

A memory; and

At least one processor communicatively coupled to the transceiver and the memory, wherein the at least one processor and the memory are configured to:

Receiving wireless communication comprising a DMRS sequence and the control information; and

Determining the control information based on the DMRS sequence.

43. The apparatus of claim 42, wherein the control information comprises Uplink Control Information (UCI), and wherein the wireless communication comprises an Uplink (UL) message.

44. The apparatus of claim 43, wherein the UCI comprises one or more of a hybrid automatic repeat request (HARQ) Acknowledgement (ACK), a HARQ Negative Acknowledgement (NACK), a Scheduling Request (SR), or Channel State Information (CSI).

45. The apparatus of claim 43, wherein the at least one processor is further configured to: confirming a correspondence between the DMRS sequence and the UCI based on a lookup table stored on the memory.

46. The apparatus of claim 45, wherein the lookup table comprises a one-to-one correspondence between the DMRS sequence and the UCI.

47. The apparatus of claim 46, wherein the DMRS sequence comprises an embedded pilot subsequence, and wherein determining the UCI is based on the DMRS sequence and the embedded pilot subsequence.

Technical Field

The technology discussed below relates generally to wireless communication systems, and more particularly to systems and methods for transmitting Uplink Control Information (UCI).

Introduction to the design reside in

From an Uplink (UL) perspective, wireless communications typically use demodulation reference signal (DMRS) sequences known to the base station for channel estimation to demodulate received data. DMRS sequences typically do not convey information from higher layers. However, as the demand for efficient information transfer and mobile broadband access continues to grow, multiple uses may be assigned to certain aspects of wireless communications to enhance and enhance a user's experience with mobile communications.

Brief summary of some examples

The following presents a simplified summary of one or more aspects of the disclosure in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated features of the disclosure, and is intended to neither identify key or critical elements of all aspects of the disclosure, nor delineate the scope of any or all aspects of the disclosure. Its sole purpose is to present some concepts of one or more aspects of the disclosure in a simplified form as a prelude to the more detailed description that is presented later.

Aspects of the present disclosure relate to embedding information in a demodulation reference signal (DMRS) sequence. In some examples disclosed herein, DMRS sequences may be configured to communicate Uplink Control Information (UCI) in Uplink (UL) communications. Other aspects, configurations, and features are also claimed and described.

in one example, a method of communicating information embedded in a DMRS sequence is disclosed. The method comprises the following steps: selecting a first DMRS sequence from a plurality of DMRS sequences to be used in wireless communication, wherein one or more of the plurality of DMRS sequences are configured to communicate the information on a physical channel; and transmitting the wireless communication.

In another example, an apparatus for wireless communication of information embedded in a DMRS is disclosed. The device includes: a transceiver, a memory, and at least one processor communicatively coupled to the transceiver and the memory, wherein the at least one processor is configured to: selecting a first DMRS sequence to be used in wireless communication from a plurality of DMRS sequences stored in the memory, wherein one or more of the plurality of DMRS sequences are configured to communicate the information on a physical channel; and transmitting the wireless communication via the transceiver.

In another example, a method for combining control information with a payload in wireless communications is disclosed. The method comprises the following steps: determining a first bit size of the first control information; and determining a second bit size of the payload; comparing the first bit size to the second bit size to determine whether a threshold condition is satisfied; and combining the first control information with the payload if the threshold condition is satisfied, wherein the payload includes one or more of second control information and message data.

in another example, an apparatus for combining control information with a payload in wireless communications is disclosed. The device includes: a transceiver, a memory, and at least one processor communicatively coupled to the transceiver and the memory, wherein the at least one processor and the memory are configured to: determining a first bit size of the first control information; determining a second bit size of the payload; comparing the first bit size to the second bit size to determine whether a threshold condition is satisfied; and combining the first control information with the payload if the threshold condition is satisfied, wherein the payload includes one or more of second control information and message data.

In another example, a method for receiving control information is disclosed. The method comprises the following steps: receiving wireless communication comprising a DMRS sequence and control information; and determining the control information based on the DMRS sequence.

In another example, an apparatus for receiving control information is disclosed. The device includes: a transceiver, a memory, and at least one processor communicatively coupled to the transceiver and the memory, wherein the at least one processor and the memory are configured to: receiving wireless communication comprising a DMRS sequence and control information; and determining the control information based on the DMRS sequence.

These and other aspects of the present invention will be more fully understood after a review of the following detailed description. Other aspects, features and embodiments of the present invention will become apparent to those ordinarily skilled in the art upon review of the following description of specific exemplary embodiments of the invention in conjunction with the accompanying figures. While features of the invention may be discussed below with respect to certain embodiments and figures, all embodiments of the invention can include one or more of the advantageous features discussed herein. In other words, while one or more embodiments may have been discussed as having certain advantageous features, one or more of such features may also be used in accordance with the various embodiments of the invention discussed herein. In a similar manner, although example embodiments may be discussed below as device, system, or method embodiments, it should be appreciated that such example embodiments may be implemented in a variety of devices, systems, and methods.