CN108282299B

CN108282299B - Information sending and processing method and device, and communication node

Info

Publication number: CN108282299B
Application number: CN201710011175.6A
Authority: CN
Inventors: 鲁照华; 陈艺戬; 李儒岳; 张楠
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2017-01-06
Filing date: 2017-01-06
Publication date: 2023-03-24
Anticipated expiration: 2037-01-06
Also published as: CN108282299A; WO2018126798A1; CN116208310A

Abstract

The invention provides an information sending and processing method and device, a communication node; the information sending method comprises the following steps: determining a set of candidate control channel transport formats from the set of control channel transport formats; wherein, the control channel transmission format set includes X control channel transmission formats, and the X control channel transmission formats at least include: a first control channel transmission format and a second control channel transmission format, wherein the transmission time interval of the first control channel transmission format is greater than the transmission time interval of the second control channel transmission format, and the candidate control channel transmission format set comprises Y control channel transmission formats; sending configuration information for describing a set of candidate control channel transport formats to a communication node; the invention solves the problem of poor forward compatibility in the control channel design in the related technology, thereby achieving the effect of improving the flexibility of system expansion.

Description

Information sending and processing method and device, and communication node

Technical Field

The present invention relates to the field of mobile communications, and in particular, to an information sending and processing method and apparatus, and a communication node.

Background

The fifth generation mobile communication technology 5G will satisfy diversified business demands of people in various areas such as residence, work, leisure, and transportation, and can provide users with extremely high-definition business experiences such as ultra-high-definition video, virtual reality, augmented reality, cloud desktop, online games, and the like, even in scenes with ultra-high traffic density, ultra-high connection number density, and ultra-high mobility characteristics such as dense residential areas, offices, stadiums, open-air gatherings, subways, expressways, high-speed rails, and wide area coverage. Meanwhile, 5G can permeate into the fields of the Internet of things and various industries, is deeply integrated with industrial facilities, medical instruments, vehicles and the like, effectively meets the diversified business requirements of the vertical industries such as industry, medical treatment, transportation and the like, and realizes real 'everything interconnection'.

Forward compatibility is an important principle in the design of 5G systems. To satisfy this principle, the forward compatibility of the original control channel design of LTE is very poor, for example, the format of the physical uplink control channel is single, the supported waveform is single, the flexibility of system expansion is poor, and modification is required.

In view of the above technical problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

The embodiment of the invention provides an information sending and processing method and device, and a communication node, which are used for at least solving the problem of poor forward compatibility in control channel design in the related technology.

According to an embodiment of the present invention, there is provided an information transmitting method including: determining a set of candidate control channel transport formats from the set of control channel transport formats; wherein, the control channel transmission format set includes X control channel transmission formats, and the X control channel transmission formats at least include: the method comprises the steps of obtaining a first control channel transmission format and a second control channel transmission format, wherein the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, the candidate control channel transmission format set comprises Y control channel transmission formats, X is an integer larger than or equal to 2, Y is larger than or equal to 1 and is smaller than or equal to X, and Y is an integer; configuration information describing a set of candidate control channel transport formats is sent to the communication node.

Optionally, determining the set of candidate control channel transport formats from the set of control channel transport formats comprises: determining a candidate control channel transmission format set from the control channel transmission format sets according to the feedback information of the communication node; wherein the feedback information comprises at least one of: the method comprises the steps of capacity of a communication node, channel state information of the communication node and a network side node, a control channel transmission format suggested by the communication node, electric quantity condition of the communication node, a sending mode of a control channel supported by the communication node and a control channel transmission format set supported by the communication node.

Optionally, the reference signal of the first control channel transmission format and the control information of the first control channel transmission format at least support to be transmitted by using a time division manner or a frequency division manner.

Optionally, the reference signal of the second control signal transmission format and the control information of the second control channel transmission format at least support to be transmitted using a frequency division manner.

Optionally, the number of waveforms included in the waveform set used by the reference signal of the second control signal transmission format is less than or equal to the number of waveforms included in the waveform set used by the first control channel transmission format.

Optionally, only one control channel transmission format can be configured for the communication node in the same transmission time slot.

Optionally, when there is an overlap between a time domain portion of a resource used by a control channel transmission format configured for the communication node by the configuration information and a time domain portion of a resource used by the communication node when transmitting data to the network side node, the communication node transmits the data and the control channel transmission format using the same waveform and/or the same transmission beam.

Optionally, the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format.

Optionally, Z reference signal configuration information exists in the first control channel transmission format or the second control channel transmission format, where Z is an integer greater than or equal to 1, and each reference signal configuration information includes at least one of: pattern, density, sequence, number of ports, transmission scheme, transmit beam, power control parameters.

Optionally, the configuration information for describing the candidate control channel transport format set includes at least one of: the method comprises the steps of determining a resource used by a control channel transmission format contained in a candidate control channel transmission format set, a content format of the control channel transmission format contained in the candidate control channel transmission format set, determining parameter information of the resource used by the control channel transmission format contained in the candidate control channel transmission format set, a waveform used by the control channel transmission format contained in the candidate control channel transmission format set, a sending mode set used by the control channel transmission format contained in the candidate control channel transmission format set, reference signal configuration information used by the control channel transmission format contained in the candidate control channel transmission format set, a power control parameter used by the control channel transmission format contained in the candidate control channel transmission format set, a coding mode used by the control channel transmission format contained in the candidate control channel transmission format set, and a modulation mode used by the control channel transmission format contained in the candidate control channel transmission format set.

Optionally, when the reference signal of the first control channel transmission format and a part of the control information of the first control channel transmission format adopt a frequency division manner, the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format.

Optionally, the number of symbols included in the first control channel transmission format is n; wherein n is more than or equal to 2 and less than or equal to 14 and is an integer.

Optionally, the number of symbols included in the first control channel transport format is m; wherein m is greater than or equal to 3.

Optionally, the first control channel transport format supports a coding scheme and the second control channel transport format supports B coding scheme, where a and B are integers greater than or equal to 1, and a is greater than B.

According to an embodiment of the present invention, there is provided an information processing method including: receiving configuration information which is sent by a first communication node and used for describing a candidate control channel transmission format set; determining a candidate control channel transmission format set according to the configuration information; transmitting or receiving a control channel according to the candidate control channel transmission format set; wherein the set of candidate control channel transport formats is determined by the second communication node from the set of control channel transport formats; the control channel transmission format set comprises X control channel transmission formats, wherein the X control channel transmission formats at least comprise: the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, the candidate control channel transmission format set comprises Y control channel transmission formats, X is an integer larger than or equal to 2, Y is larger than or equal to 1 and smaller than or equal to X, and Y is an integer.

Optionally, before receiving the configuration information describing the candidate control channel transport format set sent by the first communication node, the method further includes: sending feedback information to the first communication node, wherein the feedback information is used for the first communication node to determine a candidate control channel transmission format set from the control channel transmission format set; wherein the feedback information comprises at least one of: the capability of the second communication node, channel state information of the second communication node and the first communication node, a control channel transmission format suggested by the second communication node, the electric quantity condition of the second communication node, a sending mode of a control channel supported by the second communication node, and a control channel transmission format set supported by the second communication node.

Optionally, only one control channel transmission format may be configured for the second communication node in the same transmission timeslot.

Optionally, when there is an overlap between a time domain portion of a resource used by a control channel transmission format configured for the second communication node by the configuration information and a time domain portion of a resource used by the second communication node when transmitting data to the first communication node, the second communication node transmits the data and the control channel transmission format using the same waveform and/or the same transmission beam.

Optionally, the number of symbols included in the first control channel transport format is n; wherein n is more than or equal to 2 and less than or equal to 14 and is an integer.

Optionally, the first control channel transport format supports a coding scheme and the second control channel transport format supports B coding schemes, where a and B are integers greater than or equal to 1, and a is greater than B.

According to an embodiment of the present invention, there is provided an information transmitting apparatus including: a determining module for determining a set of candidate control channel transport formats from a set of control channel transport formats; wherein, the control channel transmission format set includes X control channel transmission formats, and the X control channel transmission formats at least include: the method comprises the following steps that a first control channel transmission format and a second control channel transmission format are adopted, wherein the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, a candidate control channel transmission format set comprises Y control channel transmission formats, X is an integer larger than or equal to 2, Y is larger than or equal to 1 and smaller than or equal to X, and Y is an integer; a sending module, configured to send configuration information describing the candidate control channel transport format set to the communication node.

Optionally, the determining module is further configured to determine a candidate control channel transport format set from the control channel transport format set according to the feedback information of the communication node; wherein the feedback information comprises at least one of: the method comprises the steps of capacity of a communication node, channel state information of the communication node and a network side node, a control channel transmission format suggested by the communication node, electric quantity condition of the communication node, a sending mode of a control channel supported by the communication node and a control channel transmission format set supported by the communication node.

According to an embodiment of the present invention, there is provided an information processing apparatus including: a receiving module, configured to receive configuration information sent by a first communication node and used for describing a candidate control channel transport format set; a determining module, configured to determine a candidate control channel transport format set according to the configuration information; a processing module for transmitting or receiving a control channel on a set of candidate control channel transport formats; wherein the set of candidate control channel transport formats is determined by the second communication node from the set of control channel transport formats; the control channel transmission format set comprises X control channel transmission formats, and the X control channel transmission formats at least comprise: the method comprises a first control channel transmission format and a second control channel transmission format, wherein the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, the candidate control channel transmission format set comprises Y control channel transmission formats, X is an integer larger than or equal to 2, Y is larger than or equal to 1 and smaller than or equal to X, and Y is an integer.

Optionally, the processing module is further configured to send feedback information to the first communication node, where the feedback information is used by the first communication node to determine a candidate control channel transport format set from the control channel transport format set; wherein the feedback information comprises at least one of: the capacity of the second communication node, the channel state information of the second communication node and the first communication node, the control channel transmission format suggested by the second communication node, the electric quantity condition of the second communication node, the sending mode of the control channel supported by the second communication node, and the control channel transmission format set supported by the second communication node.

According to an embodiment of the invention, there is provided a first communication node comprising: a processor configured to determine a set of candidate control channel transport formats from a set of control channel transport formats; wherein, the control channel transmission format set includes X control channel transmission formats, and the X control channel transmission formats at least include: the method comprises the following steps that a first control channel transmission format and a second control channel transmission format are adopted, wherein the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, a candidate control channel transmission format set comprises Y control channel transmission formats, X is an integer larger than or equal to 2, Y is larger than or equal to 1 and smaller than or equal to X, and Y is an integer; and the radio frequency module is used for sending configuration information for describing the candidate control channel transmission format set to the second communication node.

Optionally, the processor is further configured to determine a set of candidate control channel transport formats from the set of control channel transport formats according to feedback information of the communication node; wherein the feedback information comprises at least one of: the capacity of the second communication node, the channel state information of the second communication node and the first communication node, the control channel transmission format suggested by the second communication node, the electric quantity condition of the second communication node, the sending mode of the control channel supported by the second communication node, and the control channel transmission format set supported by the second communication node.

According to an embodiment of the invention, there is provided a second communication node comprising: a processor, configured to receive configuration information sent by a first communication node for describing a set of candidate control channel transport formats; determining a candidate control channel transmission format set according to the configuration information; the radio frequency module is used for sending or receiving the control channel according to the candidate control channel transmission format set; wherein the set of candidate control channel transport formats is determined by the second communication node from the set of control channel transport formats; the control channel transmission format set comprises X control channel transmission formats, and the X control channel transmission formats at least comprise: the method comprises a first control channel transmission format and a second control channel transmission format, wherein the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, the candidate control channel transmission format set comprises Y control channel transmission formats, X is an integer larger than or equal to 2, Y is larger than or equal to 1 and smaller than or equal to X, and Y is an integer.

Optionally, the radio frequency module is further configured to send feedback information to the first communication node, where the feedback information is used by the first communication node to determine a candidate control channel transport format set from the control channel transport format set; wherein the feedback information comprises at least one of: the capacity of the second communication node, the channel state information of the second communication node and the first communication node, the control channel transmission format suggested by the second communication node, the electric quantity condition of the second communication node, the sending mode of the control channel supported by the second communication node, and the control channel transmission format set supported by the second communication node.

According to still another embodiment of the present invention, there is also provided a storage medium. The storage medium is configured to store program code for performing the steps of: determining a set of candidate control channel transport formats from the set of control channel transport formats; wherein, the control channel transmission format set includes X control channel transmission formats, and the X control channel transmission formats at least include: the method comprises the following steps that a first control channel transmission format and a second control channel transmission format are adopted, wherein the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, a candidate control channel transmission format set comprises Y control channel transmission formats, X is an integer larger than or equal to 2, Y is larger than or equal to 1 and smaller than or equal to X, and Y is an integer; configuration information describing a set of candidate control channel transport formats is sent to the communication node.

According to still another embodiment of the present invention, there is also provided a storage medium. The storage medium is configured to store program code for performing the steps of: receiving configuration information which is sent by a first communication node and used for describing a candidate control channel transmission format set; determining a candidate control channel transmission format set according to the configuration information; transmitting or receiving a control channel according to the candidate control channel transmission format set; wherein the set of candidate control channel transport formats is determined by the second communication node from the set of control channel transport formats; the control channel transmission format set comprises X control channel transmission formats, and the X control channel transmission formats at least comprise: the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, the candidate control channel transmission format set comprises Y control channel transmission formats, X is an integer larger than or equal to 2, Y is larger than or equal to 1 and smaller than or equal to X, and Y is an integer.

By the invention, since the control channel transmission set comprises X control channel transmission formats, the X control channel transmission formats at least comprise: the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, namely, the control channel transmission formats with different transmission time intervals exist, so that the control channel transmission format with the proper transmission time interval can be selected as required.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

fig. 1 is a schematic flow chart of an information sending method according to an embodiment of the present invention;

fig. 2 is a block diagram of a hardware configuration of a mobile terminal of an information processing method according to an embodiment of the present invention;

FIG. 3 is a flow diagram of an information processing method according to an embodiment of the present invention;

fig. 4 is a block diagram of the structure of an information transmitting apparatus according to an embodiment of the present invention;

fig. 5 is a block diagram of the structure of an information processing apparatus according to an embodiment of the present invention;

fig. 6 is a block diagram of a first communication node provided in accordance with an embodiment of the present invention;

fig. 7 is a block diagram of a second communication node provided in accordance with an embodiment of the present invention;

fig. 8 is a diagram of a first control channel transmission format and a second control channel transmission format provided in accordance with the preferred embodiment 3 of the present invention;

fig. 9 is a diagram of a first control channel transmission format and a second control channel transmission format provided in accordance with the preferred embodiment 5 of the present invention;

fig. 10 is a diagram illustrating a case where a resource used by a control channel transport format configured by the configuration information provided to the terminal according to the preferred embodiment 7 of the present invention overlaps with a time domain portion of a resource used when the terminal transmits data to the base station;

fig. 11 is a diagram of a first control channel transmission format and a second control channel transmission format provided in accordance with a preferred embodiment 8 of the present invention.

Detailed Description

The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Example 1

An embodiment of the present application provides an information sending method, fig. 1 is a schematic flow chart of an information sending method provided according to an embodiment of the present invention, and as shown in fig. 1, the method includes:

step S102, determining a candidate control channel transmission format set from the control channel transmission format set; wherein, the control channel transmission format set includes X control channel transmission formats, and the X control channel transmission formats at least include: the method comprises the following steps that a first control channel transmission format and a second control channel transmission format are adopted, wherein the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, a candidate control channel transmission format set comprises Y control channel transmission formats, X is an integer larger than or equal to 2, Y is larger than or equal to 1 and smaller than or equal to X, and Y is an integer;

step S104, sending the configuration information for describing the candidate control channel transmission format set to the communication node.

Through the above steps, since the control channel transmission set includes X control channel transmission formats, the X control channel transmission formats at least include: the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, namely, the control channel transmission formats with different transmission time intervals exist, so that the control channel transmission format with the proper transmission time interval can be selected as required.

In an embodiment of the present invention, the step S102 may be represented as: determining a candidate control channel transmission format set from the control channel transmission format sets according to the feedback information of the communication node; wherein the feedback information comprises at least one of: the method comprises the steps of capacity of a communication node, channel state information of the communication node and a network side node, a control channel transmission format suggested by the communication node, electric quantity condition of the communication node, a sending mode of a control channel supported by the communication node and a control channel transmission format set supported by the communication node.

It should be noted that the capability of the communication node may refer to the number of control channel transmission formats supported by the communication node; that is, the candidate control channel transport format set may be further determined by acquiring the number of control channel transport formats supported by the communication node through the capability of the communication node. For another example, the candidate control channel transport format set may be determined according to a power condition of the communication node, for example, but not limited to, the communication node with low power uses the first control channel transport format, and the communication node with high power uses the second control channel transport format.

It should be noted that the control channel transmission format may include control information and a reference signal, and in an embodiment of the present invention, the reference signal of the first control channel transmission format and the control information of the first control channel transmission format at least support transmission using a time division method or a frequency division method.

In an embodiment of the invention, the reference signal of the second control signal transmission format and the control information of the second control channel transmission format at least support to be transmitted by using a frequency division manner.

The number of waveforms included in the waveform set used for the reference signal in the second control signal transmission format is smaller than or equal to the number of waveforms included in the waveform set used for the first control channel transmission format.

In one embodiment of the present invention, only one control channel transmission format can be configured for the communication node in the same transmission time slot.

In one embodiment of the present invention, when there is an overlap between a time domain portion of a resource used by a control channel transmission format configured for the communication node by the configuration information and a time domain portion of a resource used by the communication node when transmitting data to the network-side node, the communication node may transmit the data and the control channel transmission format using the same waveform and/or the same transmission beam.

In an embodiment of the present invention, the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format; the reference signal density of the second control channel transmission format is a quotient obtained by dividing resources occupied by the antenna port reference channel by the resources occupied by the second control channel transmission format, and the reference signal density of the first control channel transmission format is a quotient obtained by dividing the resources occupied by the antenna port reference channel by the resources occupied by the first control channel transmission format.

It should be noted that the number of symbols included in the first control channel transport format is m; wherein m is greater than or equal to 3.

In an embodiment of the present invention, Z reference signal configuration information exists in the first control channel transmission format or the second control channel transmission format, where Z is an integer greater than or equal to 1, and each reference signal configuration information includes at least one of: pattern, density, sequence, number of ports, transmission scheme, transmit beam, power control parameters.

It should be noted that the configuration information for describing the candidate control channel transport format set may include at least one of the following: the method comprises the steps of determining a resource used by a control channel transmission format contained in a candidate control channel transmission format set, a content format of the control channel transmission format contained in the candidate control channel transmission format set, determining parameter information of the resource used by the control channel transmission format contained in the candidate control channel transmission format set, a waveform used by the control channel transmission format contained in the candidate control channel transmission format set, a sending mode set used by the control channel transmission format contained in the candidate control channel transmission format set, reference signal configuration information used by the control channel transmission format contained in the candidate control channel transmission format set, a power control parameter used by the control channel transmission format contained in the candidate control channel transmission format set, a coding mode used by the control channel transmission format contained in the candidate control channel transmission format set, and a modulation mode used by the control channel transmission format contained in the candidate control channel transmission format set.

It should be noted that, when the reference signal of the first control channel transmission format and a part of the control information of the first control channel transmission format adopt a frequency division manner, the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format.

It should be noted that the number of symbols included in the first control channel transport format is n; wherein n is more than or equal to 2 and less than or equal to 14 and is an integer.

In an embodiment of the present invention, the first control channel transmission format may support a coding scheme and the second control channel transmission format may support B coding schemes, where a and B are integers greater than or equal to 1. Note that a is larger than B.

It should be noted that the communication node may be a terminal, but is not limited thereto.

Optionally, the main body of the above steps may be a network side node, such as an upper layer network element or a base station, but is not limited thereto.

Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.

Example 2

The method provided by embodiment 2 of the present application may be executed in a mobile terminal, a computer terminal, or a similar computing device. Taking the mobile terminal as an example, fig. 2 is a block diagram of a hardware structure of the mobile terminal of an information processing method according to an embodiment of the present invention. As shown in fig. 2, the mobile terminal 20 may include one or more (only one shown) processors 202 (the processors 202 may include, but are not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA, etc.), a memory 204 for storing data, and a transmitting device 206 for communication functions. It will be understood by those skilled in the art that the structure shown in fig. 2 is only an illustration and is not intended to limit the structure of the electronic device. For example, the mobile terminal 20 may also include more or fewer components than shown in FIG. 2, or have a different configuration than shown in FIG. 2.

The memory 204 may be used to store software programs and modules of application software, such as program instructions/modules corresponding to the information processing method in the embodiment of the present invention, and the processor 202 executes various functional applications and data processing by running the software programs and modules stored in the memory 204, so as to implement the method described above. Memory 204 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 204 may further include memory located remotely from the processor 202, which may be connected to the mobile terminal 20 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.

The transmission means 206 is used for receiving or transmitting data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the mobile terminal 20. In one example, the transmission device 206 includes a Network adapter (NIC) that can be connected to other Network devices through a base station to communicate with the internet. In one example, the transmission device 206 can be a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.

In the present embodiment, an information processing method operating in the mobile terminal is provided, but is not limited to operating in the mobile terminal, and fig. 3 is a flowchart of an information processing method according to an embodiment of the present invention, as shown in fig. 3, where the flowchart includes the following steps:

step S302, receiving configuration information which is sent by a first communication node and used for describing a candidate control channel transmission format set;

step S304, determining a candidate control channel transmission format set according to the configuration information;

step S306, sending or receiving the control channel according to the candidate control channel transmission format set; wherein the set of candidate control channel transport formats is determined by the second communication node from the set of control channel transport formats; the control channel transmission format set comprises X control channel transmission formats, and the X control channel transmission formats at least comprise: the method comprises a first control channel transmission format and a second control channel transmission format, wherein the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, the candidate control channel transmission format set comprises Y control channel transmission formats, X is an integer larger than or equal to 2, Y is larger than or equal to 1 and smaller than or equal to X, and Y is an integer.

In an embodiment of the present invention, before the step S302, the method may further include: sending feedback information to the first communication node, wherein the feedback information is used for the first communication node to determine a candidate control channel transmission format set from the control channel transmission format set; wherein the feedback information comprises at least one of: the capacity of the second communication node, the channel state information of the second communication node and the first communication node, the control channel transmission format suggested by the second communication node, the electric quantity condition of the second communication node, the sending mode of the control channel supported by the second communication node, and the control channel transmission format set supported by the second communication node.

It should be noted that, the control channel transmission format may include control information and a reference signal, and in an embodiment of the present invention, the reference signal of the first control channel transmission format and the control information of the first control channel transmission format at least support to be transmitted using a time division manner or a frequency division manner. The reference signal of the second control signal transmission format and the control information of the second control channel transmission format at least support to be transmitted by using a frequency division mode.

In one embodiment of the invention, only one control channel transmission format can be configured for the second communication node in the same transmission timeslot.

In one embodiment of the present invention, when there is an overlap between a time domain portion of a resource used by a control channel transmission format configured for the second communication node by the configuration information and a time domain portion of a resource used by the second communication node when transmitting data to the first communication node, the second communication node transmits the data and the control channel transmission format using the same waveform and/or the same transmission beam.

In one embodiment of the invention, the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format; the reference signal density of the second control channel transmission format is a quotient obtained by dividing resources occupied by the antenna port reference channel by the resources occupied by the second control channel transmission format, and the reference signal density of the first control channel transmission format is a quotient obtained by dividing the resources occupied by the antenna port reference channel by the resources occupied by the first control channel transmission format.

It should be noted that Z reference signal configuration information exists in the first control channel transmission format or the second control channel transmission format, where Z is an integer greater than or equal to 1, and each reference signal configuration information includes at least one of the following: pattern, density, sequence, number of ports, transmission scheme, transmit beam, power control parameters.

In an embodiment of the present invention, the configuration information for describing the candidate control channel transport format set includes at least one of: the method comprises the steps of determining a resource used by a control channel transmission format contained in a candidate control channel transmission format set, a content format of the control channel transmission format contained in the candidate control channel transmission format set, determining parameter information of the resource used by the control channel transmission format contained in the candidate control channel transmission format set, a waveform used by the control channel transmission format contained in the candidate control channel transmission format set, a sending mode set used by the control channel transmission format contained in the candidate control channel transmission format set, reference signal configuration information used by the control channel transmission format contained in the candidate control channel transmission format set, a power control parameter used by the control channel transmission format contained in the candidate control channel transmission format set, a coding mode used by the control channel transmission format contained in the candidate control channel transmission format set, and a modulation mode used by the control channel transmission format contained in the candidate control channel transmission format set.

It should be noted that, when the reference signal of the first control channel transmission format and part of the control information of the first control channel transmission format adopt a frequency division manner, the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format.

In an embodiment of the present invention, the first control channel transport format supports a coding scheme and the second control channel transport format supports B coding scheme, where a and B are integers greater than or equal to 1, and a is greater than B.

It should be noted that the main body of the above steps may be a second communication node, such as a terminal, but is not limited thereto.

The first communication node may be a network side node, such as an upper layer network element or a base station, but is not limited thereto.

Example 3

In this embodiment, an information sending apparatus is further provided, and the apparatus is used to implement the foregoing embodiments and preferred embodiments, and the description already made is omitted. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.

Fig. 4 is a block diagram of the structure of an information transmitting apparatus according to an embodiment of the present invention, as shown in fig. 4, the apparatus including:

a determining module 42 for determining a set of candidate control channel transport formats from the set of control channel transport formats; wherein, the control channel transmission format set includes X control channel transmission formats, and the X control channel transmission formats at least include: the method comprises the following steps that a first control channel transmission format and a second control channel transmission format are adopted, wherein the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, a candidate control channel transmission format set comprises Y control channel transmission formats, X is an integer larger than or equal to 2, Y is larger than or equal to 1 and smaller than or equal to X, and Y is an integer;

a sending module 44, connected to the determining module 42, for sending configuration information describing the candidate control channel transport format set to the communication node.

With the above apparatus, since the control channel transmission set includes X control channel transmission formats, the X control channel transmission formats at least include: the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, namely, the control channel transmission formats with different transmission time intervals exist, so that the control channel transmission format with a proper transmission time interval can be selected as required.

It should be noted that the determining module 42 may be further configured to determine a candidate control channel transport format set from the control channel transport format sets according to the feedback information of the communication node; wherein the feedback information comprises at least one of: the capability of the communication node (the number of control channel transmission formats supported by different communication nodes is different), channel state information of the communication node and the network side node (when the communication node is at the edge of a cell or is limited in power, the network side node may require the communication node to transmit a control channel by using a first control channel transmission format), a control channel transmission format suggested by the communication node (the communication node gives suggestions according to the capability and channel environment of the communication node), the power condition of the communication node (a terminal with low power uses the first control channel transmission format, a terminal with high power uses a second control channel transmission format), a transmission mode of the control channel supported by the communication node (related to the capability of the terminal, such as some terminals support an OFDM waveform, some terminals support an SC-FDMA waveform, and some terminals support both), and a set of control channel transmission formats supported by the communication node (related to the capability of the communication node).

It should be noted that the capability of the communication node may refer to the number of control channel transmission formats supported by the communication node; that is, the candidate control channel transport format set may be further determined by acquiring the number of control channel transport formats supported by the communication node through the capability of the communication node. For another example, the candidate control channel transport format set may be determined according to a power condition of the communication node, such as, but not limited to, the communication node with low power using the first control channel transport format and the communication node with high power using the second control channel transport format.

In an embodiment of the invention, the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format.

It should be noted that, when the reference signal of the first control channel transmission format and a part of the control information of the first control channel transmission format adopt a frequency division manner, the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format. It should be noted that the reference signal density of the second control channel transmission format is a quotient obtained by dividing the resource occupied by the reference channel of each antenna port by the resource occupied by the second control channel transmission format, and the reference signal density of the first control channel transmission format is a quotient obtained by dividing the resource occupied by the reference channel of each antenna port by the resource occupied by the first control channel transmission format.

It should be noted that the above-mentioned apparatus may be located in a network side node, such as an upper layer network element or a base station, but is not limited thereto.

It should be noted that, the above modules may be implemented by software or hardware, and for the latter, the following may be implemented, but not limited to: the modules are all positioned in the same processor; alternatively, the modules are respectively located in different processors in any combination.

Example 4

In this embodiment, an information processing apparatus is further provided, which is used to implement the foregoing embodiments and preferred embodiments, and the description that has been already made is omitted. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.

Fig. 5 is a block diagram of the structure of an information processing apparatus according to an embodiment of the present invention, as shown in fig. 5, the apparatus including:

a receiving module 52, configured to receive configuration information sent by the first communication node and used for describing a candidate control channel transport format set;

a determining module 54, connected to the receiving module 52, for determining a candidate control channel transport format set according to the configuration information;

a processing module 56, connected to the determining module 54, for sending or receiving a control channel according to the candidate control channel transport format set; wherein the set of candidate control channel transport formats is determined by the second communication node from the set of control channel transport formats; the control channel transmission format set comprises X control channel transmission formats, and the X control channel transmission formats at least comprise: the method comprises a first control channel transmission format and a second control channel transmission format, wherein the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, the candidate control channel transmission format set comprises Y control channel transmission formats, X is an integer larger than or equal to 2, Y is larger than or equal to 1 and smaller than or equal to X, and Y is an integer.

With the above apparatus, since the control channel transmission set includes X control channel transmission formats, the X control channel transmission formats at least include: the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, namely, the control channel transmission formats with different transmission time intervals exist, so that the control channel transmission format with the proper transmission time interval can be selected as required.

It should be noted that the processing module 56 may be further configured to send feedback information to the first communication node, where the feedback information is used by the first communication node to determine a candidate control channel transport format set from the control channel transport format set; wherein the feedback information comprises at least one of: the capacity of the second communication node, the channel state information of the second communication node and the first communication node, the control channel transmission format suggested by the second communication node, the electric quantity condition of the second communication node, the sending mode of the control channel supported by the second communication node, and the control channel transmission format set supported by the second communication node.

It should be noted that the control channel transmission format may include control information and a reference signal, and in an embodiment of the present invention, the reference signal of the first control channel transmission format and the control information of the first control channel transmission format at least support transmission using a time division method or a frequency division method. The reference signal of the second control signal transmission format and the control information of the second control channel transmission format at least support to be transmitted by using a frequency division mode.

In one embodiment of the invention, the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format. The reference signal density of the second control channel transmission format is a quotient obtained by dividing resources occupied by the antenna port reference channel by the resources occupied by the second control channel transmission format, and the reference signal density of the first control channel transmission format is a quotient obtained by dividing the resources occupied by the antenna port reference channel by the resources occupied by the first control channel transmission format.

It should be noted that the above-mentioned apparatus may be located in a second communication node, such as a terminal, but is not limited thereto.

Example 5

An embodiment of the present application provides a first communication node, and fig. 6 is a block diagram of a structure of the first communication node provided according to the embodiment of the present invention, and as shown in fig. 6, the first communication node includes:

a processor 62 configured to determine a set of candidate control channel transport formats from a set of control channel transport formats; wherein, the control channel transmission format set includes X control channel transmission formats, and the X control channel transmission formats at least include: the method comprises the following steps that a first control channel transmission format and a second control channel transmission format are adopted, wherein the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, a candidate control channel transmission format set comprises Y control channel transmission formats, X is an integer larger than or equal to 2, Y is larger than or equal to 1 and smaller than or equal to X, and Y is an integer;

and a radio frequency module 64, connected to the processor 62, for sending configuration information describing a candidate control channel transport format set to the second communication node.

With the first communications node, since the control channel transmission set includes X control channel transmission formats, the X control channel transmission formats at least include: the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, namely, the control channel transmission formats with different transmission time intervals exist, so that the control channel transmission format with the proper transmission time interval can be selected as required.

It should be noted that the processor 62 may be further configured to determine a candidate control channel transport format set from the control channel transport format sets according to the feedback information of the communication node; wherein the feedback information comprises at least one of: the capacity of the second communication node, the channel state information of the second communication node and the first communication node, the control channel transmission format suggested by the second communication node, the electric quantity condition of the second communication node, the sending mode of the control channel supported by the second communication node, and the control channel transmission format set supported by the second communication node.

In an embodiment of the present invention, when there is an overlap between a time domain portion of a resource used by a control channel transmission format configured for the second communication node by the configuration information and a time domain portion of a resource used by the second communication node when transmitting data to the network-side node, the second communication node may transmit the data and the control channel transmission format using the same waveform and/or the same transmission beam.

In an embodiment of the invention, the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format. The reference signal density of the second control channel transmission format is a quotient obtained by dividing resources occupied by the antenna port reference channel by the resources occupied by the second control channel transmission format, and the reference signal density of the first control channel transmission format is a quotient obtained by dividing the resources occupied by the antenna port reference channel by the resources occupied by the first control channel transmission format.

It should be noted that the configuration information for describing the candidate control channel transport format set may include at least one of the following: the method comprises the steps of determining resources used by control channel transmission formats contained in a candidate control channel transmission format set, content formats transmitted by the control channel transmission formats contained in the candidate control channel transmission format set, determining parameter information of the resources used by the control channel transmission formats contained in the candidate control channel transmission format set, waveforms used by the control channel transmission formats contained in the candidate control channel transmission format set, a sending mode set used by the control channel transmission formats contained in the candidate control channel transmission format set, reference signal configuration information used by the control channel transmission formats contained in the candidate control channel transmission format set, power control parameters used by the control channel transmission formats contained in the candidate control channel transmission format set, a coding mode used by the control channel transmission formats contained in the candidate control channel transmission format set, and a modulation mode used by the control channel transmission formats contained in the candidate control channel transmission format set.

It should be noted that the first communication node may be a network side node, such as an upper layer network element or a base station, but is not limited thereto.

The second communication node may be a terminal, but is not limited thereto.

Example 6

An embodiment of the present application provides a second communication node, and fig. 7 is a block diagram of a structure of the second communication node provided in the embodiment of the present invention, and as shown in fig. 7, the second communication node includes:

a processor 72 configured to receive configuration information sent by the first communication node describing a set of candidate control channel transport formats; determining a candidate control channel transmission format set according to the configuration information;

a radio frequency module 74, connected to the processor 72, for transmitting or receiving a control channel according to a candidate control channel transport format set; wherein the set of candidate control channel transport formats is determined by the second communication node from the set of control channel transport formats; the control channel transmission format set comprises X control channel transmission formats, and the X control channel transmission formats at least comprise: the method comprises a first control channel transmission format and a second control channel transmission format, wherein the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, the candidate control channel transmission format set comprises Y control channel transmission formats, X is an integer larger than or equal to 2, Y is larger than or equal to 1 and smaller than or equal to X, and Y is an integer.

Through the second communication node, since the control channel transmission set includes X control channel transmission formats, the X control channel transmission formats at least include: the transmission time interval of the first control channel transmission format is larger than that of the second control channel transmission format, namely, the control channel transmission formats with different transmission time intervals exist, so that the control channel transmission format with the proper transmission time interval can be selected as required.

It should be noted that the radio frequency module 74 is further configured to send feedback information to the first communication node, where the feedback information is used by the first communication node to determine a candidate control channel transport format set from the control channel transport format set; wherein the feedback information comprises at least one of: the capacity of the second communication node, the channel state information of the second communication node and the first communication node, the control channel transmission format suggested by the second communication node, the electric quantity condition of the second communication node, the sending mode of the control channel supported by the second communication node, and the control channel transmission format set supported by the second communication node.

It should be noted that the control channel transmission format may include control information and a reference signal, and in an embodiment of the present invention, the reference signal of the first control channel transmission format and the control information of the first control channel transmission format at least support transmission using a time division method or a frequency division method. The reference signal of the second control signal transmission format and the control information of the second control channel transmission format at least support to be transmitted by using a frequency division manner.

It should be noted that, the first communication node may be a network side node, such as an upper layer network element or a base station, but is not limited thereto; the second communication node may be a terminal or the like, but is not limited thereto.

Example 7

The embodiment of the invention also provides a storage medium. Alternatively, in the present embodiment, the above-described storage medium may be configured to store program codes for executing the steps in embodiment 1 or embodiment 2.

Optionally, in this embodiment, the storage medium may include, but is not limited to: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.

Alternatively, in the present embodiment, the processor executes the steps of the method in embodiment 1 or embodiment 2 according to program codes stored in the storage medium.

Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments and optional implementation manners, and this embodiment is not described herein again.

For a better understanding of the present invention, the present invention is further explained below with reference to preferred examples.

Preferred embodiment 1

A network side node (an upper network element or a base station) determines a candidate control channel transmission format set from a control channel transmission format set, wherein the control channel transmission format set comprises X control channel transmission formats, X is an integer greater than or equal to 2, a transmission time interval of at least one control channel transmission format (a first control channel transmission format) in the X control channel transmission formats is greater than a transmission time interval of another control channel transmission format (a second control channel transmission format), and the number of symbols (such as OFDM symbols, SC-FDMA symbols and the like) in the first control channel transmission format is greater than or equal to 2 and less than or equal to 14.

And the base station sends configuration information describing the candidate control channel transmission format set to the terminal, wherein the candidate control channel transmission format set comprises Y control channel transmission formats, and Y is an integer greater than or equal to 1 and less than or equal to X.

Preferred embodiment 2

The terminal sends feedback information to the base station, preferably, the feedback information at least includes one of the following: the method comprises the steps of capability of a terminal, channel state information of the terminal and a base station, a control channel transmission format suggested by the terminal, electric quantity condition of the terminal, a sending mode of a control channel supported by the terminal and a control channel transmission format set supported by the terminal.

And the network side node (an upper network element or a base station) determines a candidate control channel transmission format set from a control channel transmission format set based on the feedback information, wherein the control channel transmission format set comprises X control channel transmission formats, X is an integer greater than or equal to 2, and the transmission time interval of at least one control channel transmission format (a first control channel transmission format) in the X control channel transmission formats is greater than that of the other control channel transmission format (a second control channel transmission format).

Preferred embodiment 3

A network side node (an upper network element or a base station) determines a candidate control channel transmission format set from a control channel transmission format set, wherein the control channel transmission format set comprises X control channel transmission formats, X is an integer greater than or equal to 2, and a transmission time interval of at least one control channel transmission format (a first control channel transmission format) in the X control channel transmission formats is greater than a transmission time interval of another control channel transmission format (a second control channel transmission format). Fig. 8 is a schematic diagram of a first control channel transmission format and a second control channel transmission format provided according to preferred embodiment 3 of the present invention, and as shown in fig. 8, it is preferable that the reference signal of the first control channel transmission format and the control information transmitted by the control channel transmission format at least support to be transmitted using a time division or a frequency division manner; preferably, the reference signal of the second control channel transmission format and the control information transmitted by the control channel transmission format at least support to be transmitted by using a frequency division manner.

Preferred embodiment 4

A network side node (an upper network element or a base station) determines a candidate control channel transmission format set from a control channel transmission format set, wherein the control channel transmission format set comprises X control channel transmission formats, X is an integer greater than or equal to 2, and a transmission time interval of at least one control channel transmission format (a first control channel transmission format) in the X control channel transmission formats is greater than a transmission time interval of another control channel transmission format (a second control channel transmission format). Preferably, the number of waveforms included in the waveform set usable by the second control channel transmission format is equal to or less than the number of waveforms included in the waveform set usable by the first control channel transmission format, for example, the waveform supported by the second control channel transmission format is an OFDM scheme, and the waveform supported by the first control channel is an SC-FDMA scheme or an OFDM scheme.

Preferred embodiment 5

A network side node (an upper network element or a base station) determines a candidate control channel transmission format set from a control channel transmission format set, wherein the control channel transmission format set comprises X control channel transmission formats, X is an integer greater than or equal to 2, and a transmission time interval of at least one control channel transmission format (a first control channel transmission format) in the X control channel transmission formats is greater than a transmission time interval of another control channel transmission format (a second control channel transmission format).

Preferably, fig. 9 is a schematic diagram of a first control channel transmission format and a second control channel transmission format provided according to preferred embodiment 5 of the present invention, and as shown in fig. 9, when the reference signal and the control information of the first control channel transmission format adopt a frequency division manner, the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format, in this case, preferably, the number of symbols included in the first control channel transmission format is greater than or equal to 3.

Preferred embodiment 6

Preferably, the base station can only configure one control channel transmission format for the terminal in the same transmission time slot.

Preferred embodiment 7

Preferably, fig. 10 is a schematic diagram of a case where a resource used by a control channel transmission format configured by the configuration information provided to the terminal according to the preferred embodiment of the present invention overlaps with a time domain portion of a resource used by the terminal when transmitting data to the base station, and as shown in fig. 10, when the resource used by the control channel transmission format configured by the configuration information to the terminal overlaps with the time domain portion of the resource used by the terminal when transmitting data to the base station, the second communication node transmits the data and the control channel transmission format using the same waveform and/or transmission beam.

Preferred embodiment 8

Preferably, fig. 11 is a schematic diagram of a first control channel transmission format and a second control channel transmission format provided according to a preferred embodiment 8 of the present invention, and as shown in fig. 11, a reference signal density of the second control channel transmission format is greater than or equal to a reference signal density of the first control channel transmission format.

Preferred embodiment 9

Preferably, the first control channel transmission format or the second control channel transmission format has Z reference signal configuration information, where Z is an integer greater than or equal to 1, where each set of reference signal (pilot) configuration information includes one or a combination of the following: pattern, density, sequence, number of ports, transmission scheme, transmit beam, power control parameters.

Preferred embodiment 10

Preferably, the configuration information describing the candidate control channel transport format set includes one or a combination of the following: the resource used by the control channel corresponding to the control channel transmission format, the content format transmitted by the control channel corresponding to the control channel transmission format, the parameter information of the resource used by the control channel corresponding to the control channel transmission format, the waveform used by the control channel corresponding to the control channel transmission format, the sending mode used by the control channel corresponding to the control channel transmission format, the reference signal configuration information used by the control channel corresponding to the control channel transmission format, and the power control parameter used by the control channel corresponding to the control channel transmission format.

Preferred embodiment 11

The terminal receives configuration information which is sent by the base station and describes the candidate control channel transmission format set.

And the terminal receives or transmits a control channel based on the configuration information.

Preferably, the candidate control channel transport format set includes Y control channel transport formats, and Y is an integer greater than or equal to 1 and less than or equal to X.

Preferably, a network side node (an upper network element or a base station) determines the candidate control channel transmission format set from a control channel transmission format set, where the control channel transmission format set includes X control channel transmission formats, X is an integer greater than or equal to 2, a transmission time interval of at least one control channel transmission format (a first control channel transmission format) in the X control channel transmission formats is greater than a transmission time interval of another control channel transmission format (a second control channel transmission format), and the number of symbols (e.g., OFDM symbols, SC-FDMA symbols, etc.) included in the first control channel transmission format is greater than or equal to 2 and less than or equal to 14.

Preferred embodiment 12

Preferred embodiment 13

Preferably, the candidate control channel transport format set includes Y control channel transport formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

Preferably, the network side node (upper network element or base station) determines a candidate control channel transport format set from a control channel transport format set, where the control channel transport format set includes X control channel transport formats, X is an integer greater than or equal to 2, and a transmission time interval of at least one control channel transport format (first control channel transport format) in the X control channel transport formats is greater than a transmission time interval of another control channel transport format (second control channel transport format). As shown in fig. 8, preferably, the reference signal of the first control channel transmission format and the control information transmitted by the control channel transmission format at least support to be transmitted using a time division or frequency division manner; preferably, the reference signal of the second control channel transmission format and the control information transmitted by the control channel transmission format at least support to be transmitted by using a frequency division manner.

Preferred embodiment 14

Preferably, the network side node (upper network element or base station) determines a candidate control channel transport format set from a control channel transport format set, where the control channel transport format set includes X control channel transport formats, X is an integer greater than or equal to 2, and a transmission time interval of at least one control channel transport format (first control channel transport format) in the X control channel transport formats is greater than a transmission time interval of another control channel transport format (second control channel transport format). Preferably, the number of waveforms included in the set of waveforms available for the second control channel transmission format is equal to or less than the number of waveforms included in the set of waveforms available for the first control channel transmission format, for example, the waveforms supported by the second control channel transmission format are of an OFDM scheme, and the waveforms supported by the first control channel transmission format are of an SC-FDMA or OFDM scheme.

Preferred embodiment 15

Preferably, the network side node (upper network element or base station) determines a candidate control channel transport format set from a control channel transport format set, where the control channel transport format set includes X control channel transport formats, X is an integer greater than or equal to 2, and a transmission time interval of at least one control channel transport format (first control channel transport format) in the X control channel transport formats is greater than a transmission time interval of another control channel transport format (second control channel transport format).

Preferably, as shown in fig. 9, when the reference signal and the control information of the first control channel transmission format adopt a frequency division manner, the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format, in this case, the number of symbols included in the first control channel transmission format is preferably greater than or equal to 3.

Preferred embodiment 16

Preferred embodiment 17

Preferably, as shown in fig. 10, when there is an overlap between a time domain portion of a resource used by a control channel transmission format configured for the terminal by the configuration information and a time domain portion of a resource used by the terminal for transmitting data to the base station, the second communication node transmits the data and the control channel transmission format by using the same waveform and/or transmission beam.

Preferred embodiment 18

Preferably, as shown in fig. 11, the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format.

Preferred embodiment 19

Preferred embodiment 20

Note that, the transmission method mentioned in this patent includes at least one of the following: transmit beam, transmit port, transmit resource, reference signal sequence, transmit precoding matrix (analog, digital, hybrid).

Note that, the receiving method mentioned in this patent includes at least one of the following: receiving beam, receiving port, receiving resource, reference signal sequence, receiving precoding matrix (analog, digital, mixed mode), and receiver algorithm.

It should be noted that the beam may be a resource (e.g., transmit-side precoding, receive-side precoding, antenna port, antenna weight vector, antenna weight matrix, etc.), and the beam sequence number may be replaced with a resource index, because the beam may be bound to some time-frequency code resources for transmission. The beam may also be a transmission (transmit/receive) mode; the transmission mode may include spatial multiplexing, frequency domain/time domain diversity, etc. The receiving beam is a beam of the receiving end that does not need to be indicated, or a beam resource of the receiving end that can be indicated by a quasi co-location (QCL) of a reference signal (or a reference signal) and an antenna port, which are reported by the sending end and the UE through a current reference signal and the antenna port in a feedback manner.

It should be noted that the reference signal density mentioned in the present invention is an antenna port reference signal density, and is obtained by dividing resources occupied by an antenna port reference signal by resources occupied by a control channel transport format.

It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized in a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a memory device and executed by a computing device, and in some cases, the steps shown or described may be executed out of order, or separately as individual integrated circuit modules, or multiple modules or steps thereof may be implemented as a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An information transmission method, comprising:

determining a set of candidate control channel transport formats from the set of control channel transport formats; wherein, the control channel transmission format set includes X control channel transmission formats, and the X control channel transmission formats at least include: a first control channel transport format and a second control channel transport format, wherein a transmission time interval of the first control channel transport format is greater than a transmission time interval of the second control channel transport format, the set of candidate control channel transport formats includes Y control channel transport formats, X is an integer greater than or equal to 2,

y is an integer;

sending configuration information describing the set of candidate control channel transport formats to a communication node;

wherein determining the set of candidate control channel transport formats from the set of control channel transport formats comprises:

determining the candidate control channel transmission format set from the control channel transmission format set according to the feedback information of the communication node; wherein the feedback information comprises at least one of: the capability of the communication node, channel state information of the communication node and a network side node, a control channel transmission format suggested by the communication node, the electric quantity condition of the communication node, a sending mode of a control channel supported by the communication node, and a control channel transmission format set supported by the communication node;

wherein the capability of the communication node is to indicate a number of control channel transport formats supported by the communication node.

2. The method of claim 1, wherein the reference signal of the first control channel transmission format and the control information of the first control channel transmission format at least support transmission using a time division manner or a frequency division manner.

3. The method of claim 1, wherein the reference signal of the second control channel transmission format and the control information of the second control channel transmission format at least support being sent using a frequency division manner.

4. The method of claim 1, wherein the number of waveforms included in the set of waveforms used by the reference signal of the second control channel transmission format is less than or equal to the number of waveforms included in the set of waveforms used by the first control channel transmission format.

5. The method of claim 1, wherein only one control channel transmission format is configured for the communication node in the same transmission time slot.

6. The method according to claim 1, wherein when there is an overlap between a time domain portion of a resource used by a control channel transmission format configured for the communication node by the configuration information and a time domain portion of a resource used by the communication node when transmitting data to a network side node, the communication node transmits the data and the control channel transmission format using the same waveform and/or the same transmission beam.

7. The method of claim 1, wherein a reference signal density of the second control channel transmission format is greater than or equal to a reference signal density of the first control channel transmission format.

8. The method of claim 1, wherein the first control channel transmission format or the second control channel transmission format has Z reference signal configuration information, wherein Z is an integer greater than or equal to 1, and wherein each reference signal configuration information comprises at least one of: pattern, density, sequence, number of ports, transmission scheme, transmit beam, power control parameters.

9. The method of claim 1, wherein the configuration information describing the set of candidate control channel transport formats comprises at least one of: the resource used by the control channel transmission format contained in the candidate control channel transmission format set, the content format of the control channel transmission format contained in the candidate control channel transmission format set, the parameter information of the resource used by the control channel transmission format contained in the candidate control channel transmission format set, the waveform used by the control channel transmission format contained in the candidate control channel transmission format set, the sending mode set used by the control channel transmission format contained in the candidate control channel transmission format set, the reference signal configuration information used by the control channel transmission format contained in the candidate control channel transmission format set, the power control parameter used by the control channel transmission format contained in the candidate control channel transmission format set, the coding mode used by the control channel transmission format contained in the candidate control channel transmission format set, and the modulation mode used by the control channel transmission format contained in the candidate control channel transmission format set.

10. The method of claim 1, wherein when the reference signal of the first control channel transmission format and the partial control information of the first control channel transmission format are in a frequency division manner, a reference signal density of the second control channel transmission format is greater than or equal to a reference signal density of the first control channel transmission format.

11. The method of claim 1, wherein the first control channel transport format comprises n number of symbols; wherein the content of the first and second substances,

and n is an integer.

12. The method of claim 8, wherein the first control channel transport format comprises a number of symbols m; wherein m is greater than or equal to 3.

13. The method of claim 1, wherein the first control channel transport format supports a coding schemes and the second control channel transport format supports B coding schemes, wherein a and B are integers greater than or equal to 1.

14. An information processing method applied to a second communication node, comprising:

receiving configuration information which is sent by a first communication node and used for describing a candidate control channel transmission format set;

determining the candidate control channel transmission format set according to the configuration information;

transmitting or receiving a control channel according to the candidate control channel transmission format set; wherein the candidate control channel transmissionThe format set is determined for the first communication node from a control channel transmission format set; the control channel transmission format set comprises X control channel transmission formats, and the X control channel transmission formats at least comprise: a first control channel transmission format and a second control channel transmission format, wherein a transmission time interval of the first control channel transmission format is larger than a transmission time interval of the second control channel transmission format, the set of candidate control channel transmission formats comprises Y control channel transmission formats, X is an integer greater than or equal to 2,

y is an integer;

before receiving configuration information sent by the first communication node and used for describing a candidate control channel transmission format set, the method further comprises the following steps:

sending feedback information to the first communication node, wherein the feedback information is used for the first communication node to determine the candidate control channel transport format set from the control channel transport format set; wherein the feedback information comprises at least one of: the capability of the second communication node, channel state information of the second communication node and the first communication node, a control channel transmission format suggested by the second communication node, the electric quantity condition of the second communication node, a sending mode of a control channel supported by the second communication node, and a control channel transmission format set supported by the second communication node;

wherein the capability of the second communication node is to indicate a number of control channel transport formats supported by the second communication node.

15. The method of claim 14, wherein the reference signal of the first control channel transmission format and the control information of the first control channel transmission format at least support transmission using a time division manner or a frequency division manner.

16. The method of claim 14, wherein the reference signal of the second control channel transmission format and the control information of the second control channel transmission format at least support transmission using a frequency division manner.

17. The method of claim 14, wherein the number of waveforms included in the set of waveforms used by the reference signal for the second control channel transmission format is less than or equal to the number of waveforms included in the set of waveforms used by the first control channel transmission format.

18. The method of claim 14 wherein only one control channel transport format is configured for the second communication node during the same transmission time slot.

19. The method according to claim 14, wherein when there is an overlap between the time domain portion of the resource used by the control channel transmission format configured by the configuration information to the second communication node and the resource used by the second communication node when transmitting data to the first communication node, the second communication node transmits the data and the control channel transmission format using the same waveform and/or the same transmission beam.

20. The method of claim 14, wherein the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format.

21. The method of claim 14, wherein the first control channel transmission format or the second control channel transmission format has Z reference signal configuration information, wherein Z is an integer greater than or equal to 1, and wherein each reference signal configuration information comprises at least one of: pattern, density, sequence, number of ports, transmission scheme, transmit beam, power control parameters.

22. The method of claim 14, wherein the configuration information describing the set of candidate control channel transport formats comprises at least one of: the resource used by the control channel transmission format contained in the candidate control channel transmission format set, the content format of the control channel transmission format contained in the candidate control channel transmission format set, the parameter information of the resource used by the control channel transmission format contained in the candidate control channel transmission format set, the waveform used by the control channel transmission format contained in the candidate control channel transmission format set, the sending mode set used by the control channel transmission format contained in the candidate control channel transmission format set, the reference signal configuration information used by the control channel transmission format contained in the candidate control channel transmission format set, the power control parameter used by the control channel transmission format contained in the candidate control channel transmission format set, the coding mode used by the control channel transmission format contained in the candidate control channel transmission format set, and the modulation mode used by the control channel transmission format contained in the candidate control channel transmission format set.

23. The method of claim 14, wherein when the reference signal of the first control channel transmission format and the part of the control information of the first control channel transmission format are in a frequency division manner, the reference signal density of the second control channel transmission format is greater than or equal to the reference signal density of the first control channel transmission format.

24. The method of claim 14, wherein the first control channel transport format comprises n symbols; wherein the content of the first and second substances,

and n is an integer.

25. The method of claim 20, wherein the first control channel transport format comprises a number of symbols m; wherein m is greater than or equal to 3.

26. The method of claim 14, wherein the first control channel transport format supports a coding schemes and the second control channel transport format supports B coding schemes, wherein a and B are integers greater than or equal to 1, and a is greater than B.

27. An information transmission apparatus, comprising:

a determining module for determining a set of candidate control channel transport formats from a set of control channel transport formats; wherein, the control channel transmission format set includes X control channel transmission formats, and the X control channel transmission formats at least include: a first control channel transport format and a second control channel transport format, wherein a transmission time interval of the first control channel transport format is greater than a transmission time interval of the second control channel transport format, the set of candidate control channel transport formats includes Y control channel transport formats, X is an integer greater than or equal to 2,

y is an integer;

a sending module, configured to send configuration information describing the candidate control channel transport format set to a communication node;

wherein the determining module is further configured to determine the candidate set of control channel transport formats from the set of control channel transport formats according to feedback information of the communication node; wherein the feedback information comprises at least one of: the capability of the communication node, channel state information of the communication node and a network side node, a control channel transmission format suggested by the communication node, the electric quantity condition of the communication node, a sending mode of a control channel supported by the communication node, and a control channel transmission format set supported by the communication node;

28. An information processing apparatus applied to a second communication node, comprising:

a receiving module, configured to receive configuration information sent by a first communication node and used for describing a candidate control channel transport format set;

a determining module, configured to determine the candidate control channel transport format set according to the configuration information;

a processing module, configured to send or receive a control channel according to the candidate control channel transport format set; wherein the set of candidate control channel transport formats is determined for the first communication node from a set of control channel transport formats; the control channel transmission format set comprises X control channel transmission formats, and the X control channel transmission formats at least comprise: a first control channel transport format and a second control channel transport format, wherein a transmission time interval of the first control channel transport format is greater than a transmission time interval of the second control channel transport format, the set of candidate control channel transport formats includes Y control channel transport formats, X is an integer greater than or equal to 2,

y is an integer;

wherein the processing module is further configured to send feedback information to the first communication node, where the feedback information is used by the first communication node to determine the candidate control channel transport format set from the control channel transport format set; wherein the feedback information comprises at least one of: the capability of the second communication node, channel state information of the second communication node and the first communication node, a control channel transmission format suggested by the second communication node, the electric quantity condition of the second communication node, a sending mode of a control channel supported by the second communication node, and a control channel transmission format set supported by the second communication node;

29. A first communications node, comprising:

a processor configured to determine a set of candidate control channel transport formats from a set of control channel transport formats; wherein, the control channel transmission format set includes X control channel transmission formats, and the X control channel transmission formats at least include: a first control channel transport format and a second control channel transport format, wherein a transmission time interval of the first control channel transport format is greater than a transmission time interval of the second control channel transport format, the set of candidate control channel transport formats includes Y control channel transport formats, X is an integer greater than or equal to 2,

y is an integer;

a radio frequency module, configured to send configuration information for describing the candidate control channel transport format set to a second communication node;

wherein the processor is further configured to determine the set of candidate control channel transport formats from the set of control channel transport formats according to feedback information of the communication node; wherein the feedback information comprises at least one of: the capability of the second communication node, channel state information of the second communication node and the first communication node, a control channel transmission format suggested by the second communication node, the electric quantity condition of the second communication node, a sending mode of a control channel supported by the second communication node, and a control channel transmission format set supported by the second communication node;

30. A second communications node, comprising:

a processor, configured to receive configuration information sent by a first communication node for describing a set of candidate control channel transport formats; and determining the candidate control channel transport format set according to the configuration information;

the radio frequency module is used for sending or receiving a control channel according to the candidate control channel transmission format set; wherein the set of candidate control channel transport formats is determined for the first communication node from a set of control channel transport formats; the control channel transmission format set comprises X control channel transmission formats, and the X control channel transmission formats at least comprise: a first control channel transport format and a second control channel transport format, wherein a transmission time interval of the first control channel transport format is greater than a transmission time interval of the second control channel transport format, the set of candidate control channel transport formats includes Y control channel transport formats, X is an integer greater than or equal to 2,

y is an integer;

the radio frequency module is further configured to send feedback information to the first communication node, where the feedback information is used by the first communication node to determine the candidate control channel transport format set from the control channel transport format set; wherein the feedback information comprises at least one of: the capability of the second communication node, channel state information of the second communication node and the first communication node, a control channel transmission format suggested by the second communication node, the electric quantity condition of the second communication node, a sending mode of a control channel supported by the second communication node, and a control channel transmission format set supported by the second communication node;