CN109756257B - Data transmission method and device for receiving end or transmitting end - Google Patents
Data transmission method and device for receiving end or transmitting end Download PDFInfo
- Publication number
- CN109756257B CN109756257B CN201711081728.1A CN201711081728A CN109756257B CN 109756257 B CN109756257 B CN 109756257B CN 201711081728 A CN201711081728 A CN 201711081728A CN 109756257 B CN109756257 B CN 109756257B
- Authority
- CN
- China
- Prior art keywords
- information
- copies
- data transmission
- demodulation
- receiving end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Radio Transmission System (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
The invention provides a data transmission method and a data transmission device for a receiving end and a data transmission method and a data transmission device for a transmitting end, wherein the data transmission method for the receiving end comprises the following steps: receiving multiple copies of information of data at different frequency resources; demodulating the plurality of information copies to obtain demodulated information. The invention can ensure that the effective information is accurately demodulated by utilizing a plurality of copies by receiving a plurality of copies of the same effective information at a plurality of different frequency resources, thereby not only improving the demodulation success rate of a receiving end, but also avoiding the time delay of the traditional HARQ/ACK feedback retransmission and realizing the high reliability of data transmission.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a data transmission method and a data transmission device for a receiving end, and a data transmission method and a data transmission device for a transmitting end.
Background
Currently, the more diversified the services in the communication network, not just simple voice calls, web browsing, video, etc. But rather, a lot of new services, such as internet of vehicles, telemedicine, industrial automation, etc., are emerging, and a common feature of such services is that they are required to have high real-time performance and may have serious influence once an error occurs, so that such services need to ensure low timeliness and high reliability.
In the discussion of the current 5G standardization, real-time scheduling is used on air interface scheduling by the URLLC (Ultra-Reliable and Low LatencyCommunication, high reliability low latency communication), and when there is a base station to transmit URLLC data to a terminal, the base station may start scheduling on any OFDM (Orthogonal Frequency Division Multiplexing ) symbol of a slot, instead of starting scheduling from the start boundary of the slot as in the case of transmitting normal data; in the case of limited resources, etc., the base station may even puncture the normal data being transmitted to make room for transmission of URLLC data. However, the above methods solve the problem of how to reduce the delay, and for how to improve the reliability of data transmission, a feasible scheme still needs to be found.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art or related art.
To this end, an aspect of the present invention is to propose a data transmission method for a receiving end.
Another aspect of the present invention is to provide a data transmission apparatus for a receiving end.
A further aspect of the present invention is to propose a data transmission method for a transmitting end.
A further aspect of the invention is to propose a data transmission device for a transmitting end.
In view of this, according to an aspect of the present invention, there is provided a data transmission method for a receiving end, the data transmission method including: receiving multiple copies of information of data at different frequency resources; demodulating the plurality of information copies to obtain demodulated information.
The data transmission method for the receiving end provided by the invention has the advantages that the receiving end can obtain the frequency diversity gain by simultaneously receiving a plurality of copies of the same effective information sent by a plurality of different frequencies due to the frequency selective fading (namely, fading characteristics are different on different frequency bands), the effective information can be accurately demodulated by using the plurality of copies, the probability of successful demodulation at one time can be improved, the feedback retransmission process of HARQ/ACK (Hybrid Automatic Repeat Request/Acknowledgement) is not needed, the time delay caused by retransmission is reduced, and the high reliability of data transmission is realized.
The data transmission method according to the present invention may further have the following technical features:
in the above technical solution, preferably, demodulating the multiple information copies to obtain the demodulated information specifically includes: any information copy is selected from the plurality of information copies to be demodulated, and demodulation information is obtained; when any information copy is not successfully demodulated, continuing to select other information copies to demodulate, and obtaining demodulation information; or adopting a soft combining mode to jointly demodulate the plurality of information copies to obtain demodulation information.
In the technical scheme, the receiving end can receive multiple information copies at different frequencies at the same time, the multiple copies at the different frequencies can be multiple redundancy versions of the same effective information after channel coding, and the receiving end can acquire the effective information by demodulating the multiple information copies, so that the reliability of data transmission is realized. The method for demodulating the information copies to obtain the effective information is various, for example, the receiving end can select any information copy from a plurality of information copies to demodulate, so as to obtain the effective information, and certainly, the phenomenon that the effective information cannot be obtained due to demodulation failure or incomplete demodulated information can occur during demodulation, so that the effective information can be demodulated by continuing to demodulate other information copies; the receiving end can also use a soft combining mode (a plurality of information copies are stored in a memory together) to jointly demodulate the information copies of a plurality of redundancy versions, and can obtain effective information through one-time demodulation. The method for demodulating the information copy is various, and can ensure that effective information is acquired.
In any of the above aspects, preferably, each copy of information comprises complete data.
In the technical scheme, in order to be able to receive complete effective information, the receiving end needs to make each information copy contain complete data of the effective information so as to ensure that any information copy successfully demodulated has all data of the effective information, thereby improving the effectiveness and reliability of data transmission.
According to another aspect of the present invention, there is provided a data transmission apparatus for a receiving end, the data transmission apparatus comprising: a receiving module for receiving a plurality of copies of information of data at different frequency resources; and the demodulation module is used for demodulating the information copies to obtain demodulation information.
The data transmission device for the receiving end provided by the invention has the advantages that the receiving end can obtain the frequency diversity gain by receiving multiple copies of the same effective information sent by multiple different frequencies through the receiving module at the same time due to the frequency selective fading (namely, fading characteristics are different on different frequency bands), the effective information can be accurately demodulated by utilizing the multiple copies, the probability of successful demodulation at one time can be improved, the feedback retransmission process of the traditional HARQ/ACK is not needed any more, the time delay caused by retransmission is reduced, and the high reliability of data transmission is realized.
The data transmission device according to the present invention may further have the following technical features:
in the above technical solution, preferably, the demodulation module is specifically configured to: any information copy is selected from the plurality of information copies to be demodulated, and demodulation information is obtained; when any information copy is not successfully demodulated, continuing to select other information copies to demodulate, and obtaining demodulation information; or adopting a soft combining mode to jointly demodulate the plurality of information copies to obtain demodulation information.
In the technical scheme, the receiving end can receive multiple information copies at different frequencies at the same time, the multiple copies at the different frequencies can be multiple redundancy versions of the same effective information after channel coding, the receiving end can acquire the effective information by demodulating the multiple information copies through the demodulation module, and reliability of data transmission is realized. The method for demodulating the information copies to obtain the effective information is various, for example, the receiving end can select any information copy from a plurality of information copies to demodulate, so as to obtain the effective information, and certainly, the phenomenon that the effective information cannot be obtained due to demodulation failure or incomplete demodulated information can occur during demodulation, so that the effective information can be demodulated by continuing to demodulate other information copies; the receiving end can also use a soft combining mode (a plurality of information copies are stored in a memory together) to jointly demodulate the information copies of a plurality of redundancy versions, and can obtain effective information through one-time demodulation. The method for demodulating the information copy is various, and can ensure that effective information is acquired.
In any of the above aspects, preferably, each copy of information comprises complete data.
In the technical scheme, in order to enable the receiving end to receive complete effective information, each information copy needs to contain complete data of the effective information, so that any information copy which is successfully demodulated is ensured to have all data of the effective information, and the effectiveness and reliability of data transmission are improved.
According to still another aspect of the present invention, there is provided a data transmission method for a transmitting end, the data transmission method including: bearing data on a plurality of copies of information; multiple copies of information are transmitted to the receiving end using different frequency resources.
When the transmitting end needs to send specific information to the receiving end, the data transmission method for the transmitting end firstly carries the information on a plurality of information copies, wherein the copies can be a plurality of redundancy versions of the same specific information after channel coding; and further, the multiple information copies are transmitted by using different frequency resources, and the multiple copies of the same effective information are transmitted at the multiple different frequencies, so that the receiving end can obtain frequency diversity gain, and the probability of successful demodulation at one time is improved. Because the transmitting end simultaneously transmits a plurality of information copies, the specific information can be ensured to be transmitted to the receiving end, and the traditional HARQ/ACK feedback retransmission process is not needed, thereby avoiding retransmission delay.
In the above technical solution, preferably, each information copy contains complete data.
In the technical scheme, in order to enable the receiving end to receive complete effective information, the transmitting end needs to enable each information copy to contain complete data of the effective information so as to ensure that any information copy successfully demodulated has all data of the effective information, and the effectiveness and reliability of data transmission are improved.
According to still another aspect of the present invention, there is provided a data transmission apparatus for a transmitting end, the data transmission apparatus comprising: the bearing module is used for bearing the data on a plurality of information copies; and the transmission module is used for transmitting the information copies to the receiving end by utilizing different frequency resources.
When the transmitting end needs to send specific information to the receiving end, the data transmission device for the transmitting end firstly carries the information on a plurality of information copies through the carrying module, and the plurality of copies can be a plurality of redundancy versions of the same specific information after channel coding; and further, the multiple information copies are transmitted by using different frequency resources through the transmission module, and the multiple copies of the same effective information are transmitted at multiple different frequencies, so that the receiving end can obtain frequency diversity gain, and the probability of successful demodulation at one time is improved. Because the transmitting end simultaneously transmits a plurality of information copies, the specific information can be ensured to be transmitted to the receiving end, and the traditional HARQ/ACK feedback retransmission process is not needed, thereby avoiding retransmission delay.
In the above technical solution, preferably, each information copy contains complete data.
In the technical scheme, the transmitting end is used for enabling the receiving end to receive complete effective information, so that each information copy needs to contain complete data of the effective information, any information copy which is successfully demodulated is ensured to have all data of the effective information, and the effectiveness and reliability of data transmission are improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a flow chart of a data transmission method for a receiving end according to an embodiment of the present invention;
fig. 2 is a flow chart of a data transmission method for a receiving end according to another embodiment of the present invention;
fig. 3 shows a schematic block diagram of a data transmission apparatus for a receiving end according to an embodiment of the present invention;
fig. 4 is a flow chart of a data transmission method for a transmitting end according to an embodiment of the present invention;
fig. 5 shows a schematic block diagram of a data transmission apparatus for a transmitting end according to an embodiment of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and the scope of the invention is therefore not limited to the specific embodiments disclosed below.
An embodiment of the first aspect of the present invention proposes a data transmission method for a receiving end, and fig. 1 shows a flow chart of a data transmission method for a receiving end according to an embodiment of the present invention. Wherein the method comprises the following steps:
and step 104, demodulating the multiple information copies to obtain demodulation information.
According to the data transmission method for the receiving end, due to frequency selective fading (namely, fading characteristics are different on different frequency bands), different frequencies have different channel conditions, so that the receiving end can obtain frequency diversity gain by simultaneously receiving multiple copies of the same effective information sent by multiple different frequencies, the multiple copies can be used for accurately demodulating the effective information, the probability of successful demodulation at one time can be improved, the feedback retransmission process of the traditional HARQ/ACK is not needed, the time delay caused by retransmission is reduced, and the high reliability of data transmission is realized.
Fig. 2 is a flow chart of a data transmission method for a receiving end according to another embodiment of the present invention. Wherein the method comprises the following steps:
In this embodiment, the receiving end may receive multiple copies of information at different frequencies at the same time, where multiple copies at different frequencies may be multiple redundancy versions of the same effective information after channel coding, and the receiving end may ensure that the effective information is accurately demodulated by demodulating multiple copies, thereby improving the probability of success of demodulation, and implementing reliability of data transmission. The method for demodulating the information copies to obtain the effective information is various, for example, the receiving end can select any information copy from a plurality of information copies to demodulate, so as to obtain the effective information, and certainly, the phenomenon that the effective information cannot be obtained due to demodulation failure or incomplete demodulated information can occur during demodulation, so that the effective information can be demodulated by continuing to demodulate other information copies; the receiving end can also use a soft combining mode (a plurality of information copies are stored in a memory together) to jointly demodulate the information copies of a plurality of redundancy versions, and can obtain effective information through one-time demodulation. The method for demodulating the information copy is various, and can ensure that effective information is acquired.
In one embodiment of the invention, each copy of information preferably contains complete data.
In this embodiment, in order to enable the receiving end to receive complete effective information, each information copy needs to include complete data of the effective information, so as to ensure that any information copy that is successfully demodulated has all data of the effective information, and improve the effectiveness and reliability of data transmission.
An embodiment of the second aspect of the present invention proposes a data transmission device for a receiving end, fig. 3 shows a schematic block diagram of a data transmission device 300 for a receiving end according to an embodiment of the present invention. Wherein the apparatus 300 comprises:
a receiving module 302 for receiving multiple copies of information of data at different frequency resources;
demodulation module 304 is configured to demodulate the multiple information copies, and obtain demodulated information.
According to the data transmission device 300 for the receiving end, due to frequency selective fading (namely, fading characteristics are different on different frequency bands), different frequencies have different channel conditions, so that the receiving end can obtain frequency diversity gain by receiving multiple copies of the same effective information sent by multiple different frequencies through the receiving module 302, the multiple copies can be used for accurately demodulating the effective information, the probability of successful demodulation at one time can be improved, the feedback retransmission process of the traditional HARQ/ACK is not needed any more, the time delay caused by retransmission is reduced, and the high reliability of data transmission is realized.
In one embodiment of the present invention, preferably, the demodulation module 304 is specifically configured to: any information copy is selected from the plurality of information copies to be demodulated, and demodulation information is obtained; when any information copy is not successfully demodulated, continuing to select other information copies to demodulate, and obtaining demodulation information; or adopting a soft combining mode to jointly demodulate the plurality of information copies to obtain demodulation information.
In this embodiment, the receiving end may simultaneously receive multiple copies of information at different frequencies, where multiple copies at different frequencies may be multiple redundancy versions of the same effective information after channel coding, and the receiving end may demodulate the multiple copies of information by using the demodulation module 304 to ensure that the effective information is accurately demodulated by using the multiple copies, thereby improving the probability of success of demodulation, and implementing reliability of data transmission. The method for demodulating the information copies to obtain the effective information is various, for example, the receiving end can select any information copy from a plurality of information copies to demodulate, so as to obtain the effective information, and certainly, the phenomenon that the effective information cannot be obtained due to demodulation failure or incomplete demodulated information can occur during demodulation, so that the effective information can be demodulated by continuing to demodulate other information copies; the receiving end can also use a soft combining mode (a plurality of information copies are stored in a memory together) to jointly demodulate the information copies of a plurality of redundancy versions, and can obtain effective information through one-time demodulation. The method for demodulating the information copy is various, and can ensure that effective information is acquired.
In one embodiment of the invention, each copy of information preferably contains complete data.
In this embodiment, in order to enable the receiving end to receive the complete valid information, each information copy needs to include the complete data of the valid information, so as to ensure that any information copy that is successfully demodulated has all the data of the valid information, thereby improving the validity and reliability of data transmission.
An embodiment of the third aspect of the present invention provides a data transmission method for a transmitting end, and fig. 4 shows a flow chart of a data transmission method for a transmitting end according to an embodiment of the present invention. Wherein the method comprises the following steps:
in step 404, multiple copies of information are transmitted to the receiving end using different frequency resources.
When the transmitting end needs to send specific information to the receiving end, the data transmission method for the transmitting end firstly carries the information on a plurality of information copies, wherein the copies can be a plurality of redundancy versions of the same specific information after channel coding; and further, the multiple information copies are transmitted by using different frequency resources, and the multiple copies of the same effective information are transmitted at the multiple different frequencies, so that the receiving end can obtain frequency diversity gain, and the probability of successful demodulation at one time is improved. Because the transmitting end simultaneously transmits a plurality of information copies, the specific information can be ensured to be transmitted to the receiving end, and the traditional HARQ/ACK feedback retransmission process is not needed, thereby avoiding retransmission delay.
In one embodiment of the invention, each copy of information preferably contains complete data.
In this embodiment, in order for the transmitting end to enable the receiving end to receive complete effective information, each information copy needs to include complete data of the effective information, so as to ensure that any information copy that is successfully demodulated has all data of the effective information, and improve the effectiveness and reliability of data transmission.
An embodiment of the fourth aspect of the present invention proposes a data transmission device for a transmitting end, fig. 5 shows a schematic block diagram of a data transmission device 500 for a transmitting end according to an embodiment of the present invention. Wherein the apparatus 500 comprises:
a bearing module 502 for bearing data on a plurality of information copies;
a transmission module 504, configured to transmit the multiple information copies to the receiving end using different frequency resources.
When the transmitting end needs to send specific information to the receiving end, the data transmission device 500 for the transmitting end firstly carries the information on multiple information copies through the carrying module 502, and the multiple copies can be multiple redundancy versions of the same specific information after channel coding; further, the multiple copies of the information are transmitted by using different frequency resources through the transmission module 504, and multiple copies of the same effective information are sent at multiple different frequencies, so that the receiving end can obtain frequency diversity gain, and the probability of successful demodulation at one time is improved. Because the transmitting end simultaneously transmits a plurality of information copies, the specific information can be ensured to be transmitted to the receiving end, and the traditional HARQ/ACK feedback retransmission process is not needed, thereby avoiding retransmission delay.
In one embodiment of the invention, each copy of information preferably contains complete data.
In this embodiment, in order for the transmitting end to enable the receiving end to receive complete effective information, each information copy needs to include complete data of the effective information, so as to ensure that any information copy that is successfully demodulated has all data of the effective information, and improve the effectiveness and reliability of data transmission.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A data transmission method for a receiving end, comprising:
receiving multiple copies of information of data at different frequency resources;
demodulating a plurality of information copies to obtain demodulation information;
each copy of the information contains the complete data;
the demodulation of the multiple information copies to obtain the demodulation information specifically includes:
any information copy is selected from a plurality of information copies to be demodulated, and the demodulation information is obtained; when the demodulation of any information copy is unsuccessful, continuing to select other information copies to demodulate, and acquiring the demodulation information; or alternatively
And jointly demodulating the information copies in a soft combining mode to obtain the demodulation information.
2. A data transmission apparatus for a receiving end, comprising:
a receiving module for receiving a plurality of copies of information of data at different frequency resources;
the demodulation module is used for demodulating a plurality of information copies to obtain demodulation information;
each copy of the information contains the complete data;
the demodulation module is specifically configured to:
any information copy is selected from a plurality of information copies to be demodulated, and the demodulation information is obtained; when the demodulation of any information copy is unsuccessful, continuing to select other information copies to demodulate, and acquiring the demodulation information; or alternatively
And jointly demodulating the information copies in a soft combining mode to obtain the demodulation information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711081728.1A CN109756257B (en) | 2017-11-07 | 2017-11-07 | Data transmission method and device for receiving end or transmitting end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711081728.1A CN109756257B (en) | 2017-11-07 | 2017-11-07 | Data transmission method and device for receiving end or transmitting end |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109756257A CN109756257A (en) | 2019-05-14 |
| CN109756257B true CN109756257B (en) | 2023-07-07 |
Family
ID=66400525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711081728.1A Active CN109756257B (en) | 2017-11-07 | 2017-11-07 | Data transmission method and device for receiving end or transmitting end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109756257B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011047462A2 (en) * | 2009-09-21 | 2011-04-28 | Nortel Networks Limited | Reference signal design for downlink high-order mimo |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6108517A (en) * | 1997-07-28 | 2000-08-22 | Ericsson Inc. | Methods and apparatus for joint demodulation of adjacent channel signals in digital communications systems |
| US6771706B2 (en) * | 2001-03-23 | 2004-08-03 | Qualcomm Incorporated | Method and apparatus for utilizing channel state information in a wireless communication system |
| CN103684508A (en) * | 2012-09-12 | 2014-03-26 | 苏佳宁 | Low-energy consumption wireless transmission module structure running under complex environment |
| WO2016145606A1 (en) * | 2015-03-17 | 2016-09-22 | 华为技术有限公司 | Method and communication device for data processing |
| CN105517168B (en) * | 2015-12-16 | 2019-04-19 | 东莞酷派软件技术有限公司 | A kind of D2D data pack transmission method, transfer resource distribution method and device |
-
2017
- 2017-11-07 CN CN201711081728.1A patent/CN109756257B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011047462A2 (en) * | 2009-09-21 | 2011-04-28 | Nortel Networks Limited | Reference signal design for downlink high-order mimo |
| EP2481257A2 (en) * | 2009-09-21 | 2012-08-01 | Rockstar Bidco LP | Reference signal design for downlink high-order mimo |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109756257A (en) | 2019-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10965407B2 (en) | User equipments, base stations and communication methods | |
| JP4972694B2 (en) | Method for acquiring PHICH transmission resource area information and PDCCH receiving method using the same | |
| US20210306107A1 (en) | Harq-ack timing and pucch resource determination for ultra-low latency pdsch transmission | |
| US8295227B2 (en) | Radio communication system, mobile station, and radio base station | |
| US8432855B2 (en) | Method for transmitting data using HARQ | |
| AU2019222457B2 (en) | User equipments, base stations and methods for downlink semi-persistent scheduling | |
| WO2020261713A1 (en) | MAPPING METHODS FOR URLLC HARQ-ACK MULTIPLEXING ON eMBB PUSCH | |
| WO2020145355A1 (en) | Urllc physical uplink control channel (pucch) configuration with subslot structure | |
| WO2020145356A1 (en) | Low-latency physical uplink control channel (pucch) enhancements and resource configuration | |
| WO2014205736A1 (en) | Method and bs for transmitting control information to ue, and method and ue for handling control information | |
| EP3577819A1 (en) | User equipments, base stations and communication methods | |
| JP4940115B2 (en) | Wireless communication system, wireless terminal and wireless base station | |
| US20220272671A1 (en) | Method and device in nodes used for wireless communication | |
| KR101247731B1 (en) | Apparatus and method for retransmission request in wireless communication system using relay | |
| CN114900276A (en) | Method and apparatus in a node used for wireless communication | |
| CN109842942B (en) | Method, device and communication equipment for blind detection of downlink physical layer control signaling | |
| CN112953689B (en) | Method and device used in user equipment and base station with variable transmission format | |
| JP2010538570A (en) | Retransmission response time determination apparatus and method in multi-hop relay wireless communication system | |
| CN109756300B (en) | Method and device for indicating or receiving number of duplicate transmission copies | |
| CN109756257B (en) | Data transmission method and device for receiving end or transmitting end | |
| US20220303066A1 (en) | Method and device in nodes used for wireless communication | |
| CN111447685A (en) | Method and device for low-delay UE and base station | |
| CN109787708B (en) | Method and device for indicating or receiving redundancy version | |
| CN115767745A (en) | Method and apparatus in a node used for wireless communication | |
| CN108989002B (en) | Method and device in user equipment and base station used for narrow-band communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |