Method and communication node for allocating and scheduling criteria for wireless resources using DCI signaling

Patent metadata

Field	Value
Publication number	US-11696266-B2
Application number	US-202017035990-A
Country	US
Kind code	B2
Filing date	Sep 29, 2020
Priority date	Jun 28, 2018
Publication date	Jul 4, 2023
Grant date	Jul 4, 2023

Abstract

A method and a device in a communication node for wireless communications are disclosed in the present disclosure. The communication node first receives a first signaling; and then receives a first radio signal in K1 slots and receives a second radio signal in K2 slots; the first signaling is used to determine the K1 and the K2; a first TB is used to generate the first radio signal, while a second TB is used to generate the second radio signal, the first TB comprising a positive integer number of bit(s), and the second TB comprising a positive integer number of bit(s); the K1 slots are divided into X1 slot groups, while the K2 slots are divided into X2 slot groups, and positions of the X1 slot groups and the X2 slot groups are interleaved in time domain. The present disclosure can reduce power consumption and improve coverage performance.

First claim

What is claimed is:

1. A method in a first-type communication node for wireless communications, comprising:
receiving a first signaling;
receiving a first radio signal in K1 slots; and
receiving a second radio signal in K2 slots;
wherein the first signaling is used to determine K1 and K2; a first transport block (TB) is used to generate the first radio signal, while a second TB is used to generate the second radio signal, the first TB comprising a positive integer number of bit(s), and the second TB comprising a positive integer number of bit(s); the K1 slots are divided into X1 slot groups, while the K2 slots are divided into X2 slot groups, and the X1 slot groups and the X2 slot groups are interleaved in time domain; X1 is a positive integer greater than 1, and X2 is a positive integer greater than 1, the K1 is a positive integer no less than the X1, and the K2 is a positive integer no less than the X2, and the first signaling is transmitted via an air interface; the first signaling comprises all or part of fields in a DCI signaling that schedules the first radio signal and the second radio signal.

2. The method according to claim 1 , wherein a slot group of the X1 slot groups comprises M1 slot set(s), while a slot group of the X2 slot groups comprises M2 slot set(s), a first slot set is one of the M1 slot set(s), and a second slot set is one of the M2 slot set(s); an output by the first TB through channel coding generates a first bit block, while an output by the second TB through channel coding generates a second bit block; each slot in the first slot set carries (a) same bit(s) in the first bit block, while each slot in the second slot set carries (a) same bit(s) in the second bit block; the first signaling is used to determine the M1 and the M2.

3. The method according to claim 2 , wherein a number of slots comprised by the first slot set is a smaller value between Q1 and a target threshold, and a number of slots comprised by the second slot set is equal to a smaller value between Q2 and the target threshold, the target threshold being a positive integer, the Q1 being a quotient of the K1 and the M1, and the Q2 being a quotient of the K2 and the M2, the Q1 is a positive integer and the Q2 is a positive integer.

4. The method according to claim 2 , wherein any two slot groups of the X1 slot groups comprise equal numbers of slots, and any two slot groups of the X2 slot groups comprise equal numbers of slots; any of the M1 slot sets comprises consecutive slots that can be used for transmission of the first TB, while any of the M2 slot sets comprises consecutive slots that can be used for transmission of the second TB; the M1 is a positive integer, and the M2 is a positive integer.

5. The method according to claim 1 , comprising:
receiving a second signaling;
wherein the second signaling is used to determine the X1 and the X2, the second signaling being transmitted via the air interface, and the first signaling and the second signaling are two different fields in a same signaling.

6. The method according to claim 1 , wherein an output by the first TB through channel coding is used to generate a first modulation symbol sequence, while an output by the second TB through channel coding is used to generate a second modulation symbol sequence, a first bit sequence is used to determine phases of modulation symbols in the first modulation symbol sequence, while a second bit sequence is used to determine phases of modulation symbols in the second modulation symbol sequence, an identifier of the first TB is used to determine an initial value for a generator of the first bit sequence, while an identifier of the second TB is used to determine an initial value for a generator of the second bit sequence.

7. The method according to claim 1 , wherein the first radio signal is transmitted through an NPDSCH, while the second radio signal is transmitted through an NPDSCH; or the first radio signal is transmitted through a PDSCH, while the second radio signal is transmitted through a PDSCH.

8. A first-type communication node for wireless communications, comprising:
a first receiver, which receives a first signaling;
a second receiver, which receives a first radio signal in K1 slots; and
a third receiver, which receives a second radio signal in K2 slots;
wherein the first signaling is used to determine K1 and K2; a first transport block (TB) is used to generate the first radio signal, while a second TB is used to generate the second radio signal, the first TB comprising a positive integer number of bit(s), and the second TB comprising a positive integer number of bit(s); the K1 slots are divided into X1 slot groups, while the K2 slots are divided into X2 slot groups, and the X1 slot groups and the X2 slot groups are interleaved in time domain; X1 is a positive integer greater than 1, and X2 is a positive integer greater than 1, the K1 is a positive integer no less than the X1, and the K2 is a positive integer no less than the X2, and the first signaling is transmitted via an air interface; the first signaling comprises all or part of fields in a DCI signaling that schedules the first radio signal and the second radio signal.

9. The first-type communication node according to claim 8 , wherein a slot group of the X1 slot groups comprises M1 slot set(s), while a slot group of the X2 slot groups comprises M2 slot set(s), a first slot set is one of the M1 slot set(s), and a second slot set is one of the M2 slot set(s); an output by the first TB through channel coding generates a first bit block, while an output by the second TB through channel coding generates a second bit block; each slot in the first slot set carries (a) same bit(s) in the first bit block, while each slot in the second slot set carries (a) same bit(s) in the second bit block; the first signaling is used to determine the M1 and the M2.

10. The first-type communication node according to claim 9 , wherein a number of slots comprised by the first slot set is a smaller value between Q1 and a target threshold, and a number of slots comprised by the second slot set is equal to a smaller value between Q2 and the target threshold, the target threshold being a positive integer, the Q1 being a quotient of the K1 and the M1, and the Q2 being a quotient of the K2 and the M2, the Q1 is a positive integer and the Q2 is a positive integer.

11. The first-type communication node according to claim 9 , wherein any two slot groups of the X1 slot groups comprise equal numbers of slots, and any two slot groups of the X2 slot groups comprise equal numbers of slots; any of the M1 slot sets comprises consecutive slots that can be used for transmission of the first TB, while any of the M2 slot sets comprises consecutive slots that can be used for transmission of the second TB; the M1 is a positive integer, and the M2 is a positive integer.

12. The first-type communication node according to claim 8 , wherein the first receiver receives a second signaling; wherein the second signaling is used to determine the X1 and the X2, the second signaling being transmitted via the air interface, and the first signaling and the second signaling are two different fields in a same signaling.

13. The first-type communication node according to claim 8 , wherein an output by the first TB through channel coding is used to generate a first modulation symbol sequence, while an output by the second TB through channel coding is used to generate a second modulation symbol sequence, a first bit sequence is used to determine phases of modulation symbols in the first modulation symbol sequence, while a second bit sequence is used to determine phases of modulation symbols i

Assignees

• Liu Zheng
• Zhang Xiaobo
• Yang Lin
• Shanghai Langbo Comm Tech Co Ltd

Inventors

• Liu Zheng
• Zhang Xiaobo
• Yang Lin

Classifications

• H04W72/50

  Allocation or scheduling criteria for wireless resources · CPC title

• H04B17/382

  for resource allocation, admission control or handover · CPC title

• H04L47/828

  Allocation of resources per group of connections, e.g. per group of users · CPC title

• H04W72/232

  the control data signalling from the physical layer, e.g. DCI signalling · CPC title

• H04L47/70

  Admission control; Resource allocation · CPC title