Information sending and processing method and device, communication node

By determining multiple control channel transmission formats in the 5G system and configuring the appropriate format based on the feedback information from the communication nodes, the problem of poor forward compatibility in the control channel design is solved, and the flexibility and compatibility of system expansion are improved.

CN116208310BActive Publication Date: 2025-09-23ZTE CORP
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Patent Information

Application Number
CN202310186204.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2017-01-06
Publication Date
2025-09-23
Estimated Expiration
2037-01-06

AI Technical Summary

Technical Problem

The forward compatibility of control channel design in 5G systems is poor, and existing technologies have failed to effectively address this issue.

Method used

A method for sending information is provided, which determines a candidate control channel transmission format set from a control channel transmission format set, comprising at least two control channel transmission formats, namely a first and a second control channel transmission format, wherein the first transmission time interval is greater than the second transmission time interval, and configures an appropriate transmission format according to feedback information of a communication node.

Benefits of technology

The flexibility and forward compatibility of system expansion are improved, and the problem of poor forward compatibility in control channel design is solved.

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Abstract

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

Technical Field

[0001] The present invention relates to the field of mobile communications, and in particular to an information sending and processing method and device, and a communication node. Background Art

[0002] 5G, the fifth-generation mobile communications technology, will meet the diverse business needs of people in various areas, including living, working, leisure, and transportation. Even in scenarios characterized by ultra-high traffic density, ultra-high connection density, and ultra-high mobility, such as densely populated residential areas, offices, stadiums, open-air gatherings, subways, expressways, high-speed railways, and wide-area coverage, it will provide users with the ultimate business experience, including ultra-high-definition video, virtual reality, augmented reality, cloud desktops, and online gaming. At the same time, 5G will penetrate the Internet of Things and various industries, deeply integrating with industrial facilities, medical equipment, and transportation, effectively meeting the diverse business needs of vertical industries such as industry, healthcare, and transportation, and realizing the true "Internet of Everything."

[0003] Forward compatibility is a key principle in 5G system design. To meet this requirement, the original LTE control channel design had very poor forward compatibility. For example, the physical uplink control channel had a single format and supported only a single waveform, resulting in limited system expansion flexibility and requiring modification.

[0004] With respect to the above-mentioned technical problems in related technologies, no effective solutions have been proposed so far. Summary of the Invention

[0005] The embodiments of the present invention provide a method and apparatus for sending and processing information, and a communication node, to at least solve the problem of poor forward compatibility in control channel design in related technologies.

[0006] According to one embodiment of the present invention, a method for sending information is provided, comprising: determining a candidate control channel transmission format set from a 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 include at least 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 greater than a transmission time interval of the second control channel transmission format, and the candidate control channel transmission format set includes Y control channel transmission formats, where X is an integer greater than or equal to 2, and Y is an integer; and sending configuration information describing the candidate control channel transmission format set to a communication node.

[0007] Optionally, determining a candidate control channel transmission format set from a control channel transmission format set includes: determining a candidate control channel transmission format set from a control channel transmission format set based on feedback information from a communication node; wherein the feedback information includes at least one of the following: capability of the communication node, channel status information between the communication node and a network side node, a control channel transmission format recommended by the communication node, power status of the communication node, a control channel transmission mode supported by the communication node, and a control channel transmission format set supported by the communication node.

[0008] Optionally, the reference signal in the first control channel transmission format and the control information in the first control channel transmission format at least support being sent using a time division method or a frequency division method.

[0009] Optionally, the reference signal in the second control channel transmission format and the control information in the second control channel transmission format at least support being sent in a frequency division manner.

[0010] Optionally, the number of waveforms included in the waveform set 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 waveform set used by the first control channel transmission format.

[0011] Optionally, in the same transmission time slot, only one control channel transmission format can be configured for the communication node.

[0012] Optionally, when the resources used by the control channel transmission format configured for the communication node by the configuration information overlap with the time domain portion of the resources used by the communication node when transmitting data to the network side node, the communication node uses the same waveform and / or the same transmission beam to send data and control channel transmission format.

[0013] 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.

[0014] Optionally, there are Z types of reference signal configuration information 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 type of reference signal configuration information includes at least one of the following: pattern, density, sequence, number of ports, transmission mechanism, transmit beam, and power control parameter.

[0015] Optionally, the configuration information used to describe the candidate control channel transmission format set includes at least one of the following: resources used by the control channel transmission formats included in the candidate control channel transmission format set, content formats transmitted by the control channel transmission formats included in the candidate control channel transmission format set, parameter information for determining the resources used by the control channel transmission formats included in the candidate control channel transmission format set, waveforms used by the control channel transmission formats included in the candidate control channel transmission format set, a set of transmission modes used by the control channel transmission formats included in the candidate control channel transmission format set, reference signal configuration information used by the control channel transmission formats included in the candidate control channel transmission format set, power control parameters used by the control channel transmission formats included in the candidate control channel transmission format set, coding modes used by the control channel transmission formats included in the candidate control channel transmission format set, and modulation modes used by the control channel transmission formats included in the candidate control channel transmission format set.

[0016] Optionally, 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 method, 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.

[0017] Optionally, the number of symbols included in the first control channel transmission format is n; where 2n 14, n is an integer.

[0018] Optionally, the number of symbols included in the first control channel transmission format is m; where m is greater than or equal to 3.

[0019] Optionally, the first control channel transmission format supports A encoding modes, and the second control channel transmission format supports B encoding modes, where A and B are both integers greater than or equal to 1, and A is greater than B.

[0020] According to one embodiment of the present invention, an information processing method is provided, comprising: receiving configuration information sent by a first communication node for describing a candidate control channel transmission format set; determining a candidate control channel transmission format set based on the configuration information; and sending or receiving a control channel based on the candidate control channel transmission format set; wherein the candidate control channel transmission format set is determined by the first communication node from the control channel transmission format set; the control channel transmission format set includes X control channel transmission formats, wherein the X control channel transmission formats include at least: 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 greater than a transmission time interval of the second control channel transmission format, and the candidate control channel transmission format set includes Y control channel transmission formats, where X is an integer greater than or equal to 2, and 1YX, Y is an integer.

[0021] Optionally, before receiving configuration information sent by the first communication node for describing a candidate control channel transmission format set, the method also includes: sending feedback information to the first communication node, wherein the feedback information is used by the first communication node to determine a candidate control channel transmission format set from the control channel transmission format set; wherein the feedback information includes at least one of the following: the capability of the second communication node, the channel status information between the second communication node and the first communication node, the control channel transmission format recommended by the second communication node, the power status of the second communication node, the control channel transmission mode supported by the second communication node, and the control channel transmission format set supported by the second communication node.

[0022] Optionally, the reference signal in the first control channel transmission format and the control information in the first control channel transmission format at least support being sent using a time division method or a frequency division method.

[0023] Optionally, the reference signal in the second control channel transmission format and the control information in the second control channel transmission format at least support being sent in a frequency division manner.

[0024] Optionally, the number of waveforms included in the waveform set 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 waveform set used by the first control channel transmission format.

[0025] Optionally, in the same transmission time slot, only one control channel transmission format can be configured for the second communication node.

[0026] Optionally, when the resources used by the control channel transmission format configured for the second communication node by the configuration information overlap with the time domain portion of the resources used by the second communication node to transmit data to the first communication node, the second communication node uses the same waveform and / or the same transmission beam to send data and control channel transmission format.

[0027] 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.

[0028] Optionally, there are Z types of reference signal configuration information 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 type of reference signal configuration information includes at least one of the following: pattern, density, sequence, number of ports, transmission mechanism, transmit beam, and power control parameter.

[0029] Optionally, the configuration information used to describe the candidate control channel transmission format set includes at least one of the following: resources used by the control channel transmission formats included in the candidate control channel transmission format set, content formats transmitted by the control channel transmission formats included in the candidate control channel transmission format set, parameter information for determining the resources used by the control channel transmission formats included in the candidate control channel transmission format set, waveforms used by the control channel transmission formats included in the candidate control channel transmission format set, a set of transmission modes used by the control channel transmission formats included in the candidate control channel transmission format set, reference signal configuration information used by the control channel transmission formats included in the candidate control channel transmission format set, power control parameters used by the control channel transmission formats included in the candidate control channel transmission format set, coding modes used by the control channel transmission formats included in the candidate control channel transmission format set, and modulation modes used by the control channel transmission formats included in the candidate control channel transmission format set.

[0030] Optionally, 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 method, 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.

[0031] Optionally, the number of symbols included in the first control channel transmission format is n; where 2n 14, n is an integer.

[0032] Optionally, the number of symbols included in the first control channel transmission format is m; where m is greater than or equal to 3.

[0033] Optionally, the first control channel transmission format supports A encoding modes, and the second control channel transmission format supports B encoding modes, where A and B are both integers greater than or equal to 1, and A is greater than B.

[0034] According to one embodiment of the present invention, an information sending apparatus is provided, comprising: a determining module, configured to determine a candidate control channel transmission format set from a 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 include at least 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 greater than a transmission time interval of the second control channel transmission format, and the candidate control channel transmission format set includes Y control channel transmission formats, where X is an integer greater than or equal to 2, and Y is an integer; and a sending module, configured to send configuration information describing the candidate control channel transmission format set to a communication node.

[0035] Optionally, the determination module is also used to determine a candidate control channel transmission format set from the control channel transmission format set based on feedback information from the communication node; wherein the feedback information includes at least one of the following: the capability of the communication node, the channel status information between the communication node and the network side node, the control channel transmission format recommended by the communication node, the power status of the communication node, the control channel transmission mode supported by the communication node, and the control channel transmission format set supported by the communication node.

[0036] According to one embodiment of the present invention, an information processing device is provided, comprising: a receiving module for receiving configuration information sent by a first communication node for describing a candidate control channel transmission format set; a determining module for determining the candidate control channel transmission format set based on the configuration information; and a processing module for sending or receiving a control channel on the candidate control channel transmission format set; wherein the candidate control channel transmission format set is determined by the first communication node from the control channel transmission format set; the control channel transmission format set includes X control channel transmission formats, wherein the X control channel transmission formats include at least: 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 greater than a transmission time interval of the second control channel transmission format, and the candidate control channel transmission format set includes Y control channel transmission formats, where X is an integer greater than or equal to 2, and Y is an integer.

[0037] Optionally, the processing module is further used to send feedback information to the first communication node, wherein the feedback information is used by the first communication node to determine a candidate control channel transmission format set from the control channel transmission format set; wherein the feedback information includes at least one of the following: the capability of the second communication node, the channel status information between the second communication node and the first communication node, the control channel transmission format recommended by the second communication node, the power status of the second communication node, the control channel transmission mode supported by the second communication node, and the control channel transmission format set supported by the second communication node.

[0038] According to one embodiment of the present invention, a first communication node is provided, comprising: a processor, configured to determine a candidate control channel transmission format set from a 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 include at least 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 greater than a transmission time interval of the second control channel transmission format, and the candidate control channel transmission format set includes Y control channel transmission formats, where X is an integer greater than or equal to 2, and Y is an integer; and a radio frequency module, configured to send configuration information describing the candidate control channel transmission format set to a second communication node.

[0039] Optionally, the processor is also used to determine a candidate control channel transmission format set from the control channel transmission format set based on feedback information from the communication node; wherein the feedback information includes at least one of the following: the capability of the second communication node, channel status information between the second communication node and the first communication node, the control channel transmission format recommended by the second communication node, the power status of the second communication node, the control channel transmission mode supported by the second communication node, and the control channel transmission format set supported by the second communication node.

[0040] According to one embodiment of the present invention, a second communication node is provided, comprising: a processor, configured to receive configuration information sent by a first communication node for describing a candidate control channel transmission format set; and determine the candidate control channel transmission format set based on the configuration information; and a radio frequency module, configured to send or receive a control channel based on the candidate control channel transmission format set; wherein the candidate control channel transmission format set is determined by the first communication node from the control channel transmission format set; the control channel transmission format set includes X control channel transmission formats, wherein the X control channel transmission formats include at least: 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 greater than a transmission time interval of the second control channel transmission format, and the candidate control channel transmission format set includes Y control channel transmission formats, where X is an integer greater than or equal to 2, and 1YX, Y is an integer.

[0041] Optionally, the RF module is also used to send feedback information to the first communication node, wherein the feedback information is used by the first communication node to determine a candidate control channel transmission format set from the control channel transmission format set; wherein the feedback information includes at least one of the following: the capability of the second communication node, the channel status information between the second communication node and the first communication node, the control channel transmission format recommended by the second communication node, the power status of the second communication node, the control channel transmission mode supported by the second communication node, and the control channel transmission format set supported by the second communication node.

[0042] According to another embodiment of the present invention, a storage medium is further provided. The storage medium is configured to store program code for executing the following steps: determining a candidate control channel transmission format set from a 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 include at least: 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 greater than a transmission time interval of the second control channel transmission format, and the candidate control channel transmission format set includes Y control channel transmission formats, where X is an integer greater than or equal to 2, and Y is an integer; and sending configuration information describing the candidate control channel transmission format set to a communication node.

[0043] According to another embodiment of the present invention, a storage medium is further provided. The storage medium is configured to store program code for executing the following steps: receiving configuration information sent by a first communication node for describing a candidate control channel transmission format set; determining a candidate control channel transmission format set based on the configuration information; and sending or receiving a control channel based on the candidate control channel transmission format set; wherein the candidate control channel transmission format set is determined by the first communication node from the control channel transmission format set; the control channel transmission format set includes X control channel transmission formats, wherein the X control channel transmission formats include at least: 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 greater than a transmission time interval of the second control channel transmission format, and the candidate control channel transmission format set includes Y control channel transmission formats, where X is an integer greater than or equal to 2, and Y is an integer.

[0044] According to the present invention, since the control channel transmission set includes X control channel transmission formats, the X control channel transmission formats include at least 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, that is, there are control channel transmission formats with different transmission time intervals. Therefore, when needed, a control channel transmission format with an appropriate transmission time interval can be selected as needed. Compared with the related art having a single control channel transmission format, the flexibility of system expansion is improved. Therefore, the problem of poor forward compatibility in control channel design in the related art can be solved, thereby improving forward compatibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0046] Figure 1 is a flowchart of a method for sending information according to an embodiment of the present invention;

[0047] Figure 2 This is a hardware structure block diagram of a mobile terminal according to an information processing method of an embodiment of the present invention;

[0048] Figure 3 is a flowchart of an information processing method according to an embodiment of the present invention;

[0049] Figure 4 is a structural block diagram of an information sending device according to an embodiment of the present invention;

[0050] Figure 5 is a structural block diagram of an information processing device according to an embodiment of the present invention;

[0051] Figure 6 is a structural block diagram of a first communication node provided according to an embodiment of the present invention;

[0052] Figure 7 is a structural block diagram of a second communication node provided according to an embodiment of the present invention;

[0053] Figure 8 2 is a schematic diagram of a first control channel transmission format and a second control channel transmission format provided according to a preferred embodiment 3 of the present invention;

[0054] Figure 9 2 is a schematic diagram of a first control channel transmission format and a second control channel transmission format provided according to a preferred embodiment 5 of the present invention;

[0055] Figure 10 This is a schematic diagram of a situation where resources used by a control channel transmission format configured for a terminal according to configuration information provided in preferred embodiment 7 of the present invention overlap with time domain portions of resources used by the terminal when transmitting data to a base station;

[0056] Figure 11 It is a schematic diagram of the first control channel transmission format and the second control channel transmission format provided according to the preferred embodiment 8 of the present invention. DETAILED DESCRIPTION

[0057] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that, unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other.

[0058] It should be noted that the terms "first", "second", etc. in the description and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0059] Example 1

[0060] The embodiment of the present application provides a method for sending information. Figure 1 FIG. 1 is a flow chart of a method for sending information according to an embodiment of the present invention. Figure 1 As shown, the method includes:

[0061] Step S102: Determine a candidate control channel transport format set from a control channel transport format set; wherein the control channel transport format set includes X control channel transport formats, and the X control channel transport formats include at least 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, and the candidate control channel transport format set includes Y control channel transport formats, where X is an integer greater than or equal to 2, and Y is an integer.

[0062] Step S104: Send configuration information describing the candidate control channel transmission format set to the communication node.

[0063] Through the above steps, since the control channel transmission set includes X control channel transmission formats, the X control channel transmission formats include at least 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, that is, control channel transmission formats with different transmission time intervals exist. Therefore, when needed, a control channel transmission format with an appropriate transmission time interval can be selected as needed. Compared with the single control channel transmission format in the related art, the flexibility of system expansion is improved. Therefore, the problem of poor forward compatibility in the control channel design in the related art can be solved, thereby improving forward compatibility.

[0064] In one embodiment of the present invention, the above-mentioned step S102 can be performed as follows: determining a candidate control channel transmission format set from a control channel transmission format set based on feedback information from the communication node; wherein the feedback information includes at least one of the following: the capability of the communication node, the channel status information between the communication node and the network side node, the control channel transmission format recommended by the communication node, the power status of the communication node, the control channel transmission mode supported by the communication node, and the control channel transmission format set supported by the communication node.

[0065] It should be noted that the capabilities of a communication node may refer to the number of control channel transmission formats supported by the communication node; that is, the number of control channel transmission formats supported by the communication node can be obtained from the capabilities of the communication node to further determine the candidate control channel transmission format set. For example, the candidate control channel transmission format set can be determined based on the power level of the communication node, such as using a first control channel transmission format for a communication node with low power and a second control channel transmission format for a communication node with high power, but the present invention is not limited to this.

[0066] It should be noted that the control channel transmission format may include control information and reference signals. In one embodiment of the present invention, the reference signal of the above-mentioned first control channel transmission format and the control information of the above-mentioned first control channel transmission format at least support being sent using a time division method or a frequency division method.

[0067] In one embodiment of the present invention, the reference signal in the second control channel transmission format and the control information in the second control channel transmission format at least support being sent using a frequency division method.

[0068] It should be noted that the number of waveforms included in the waveform set 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 waveform set used by the first control channel transmission format.

[0069] In one embodiment of the present invention, only one control channel transmission format can be configured for a communication node in the same transmission time slot.

[0070] In one embodiment of the present invention, when the resources used by the control channel transmission format configured for the communication node by the configuration information overlap with the time domain portion of the resources used by the communication node when transmitting data to the network side node, the communication node can use the same waveform and / or the same transmission beam to send data and control channel transmission format.

[0071] In one embodiment of the present invention, the reference signal density of the above-mentioned second control channel transmission format is greater than or equal to the reference signal density of the above-mentioned first control channel transmission format; wherein, the reference signal density of the second control channel transmission format is the quotient obtained by dividing the resources occupied by the reference channel of each antenna port by the resources occupied by the second control channel transmission format, and the reference signal density of the first control channel transmission format is the quotient obtained by dividing the resources occupied by the reference channel of each antenna port by the resources occupied by the first control channel transmission format.

[0072] It should be noted that the number of symbols included in the above-mentioned first control channel transmission format is m; wherein, m is greater than or equal to 3.

[0073] In one embodiment of the present invention, there are Z types of reference signal configuration information in the above-mentioned first control channel transmission format or the above-mentioned second control channel transmission format, where Z is an integer greater than or equal to 1, and each type of reference signal configuration information includes at least one of the following: pattern, density, sequence, number of ports, transmission mechanism, transmit beam, and power control parameter.

[0074] It should be noted that the configuration information used to describe the candidate control channel transmission format set may include at least one of the following: resources used by the control channel transmission format included in the candidate control channel transmission format set, content format transmitted by the control channel transmission format included in the candidate control channel transmission format set, parameter information for determining the resources used by the control channel transmission format included in the candidate control channel transmission format set, waveforms used by the control channel transmission format included in the candidate control channel transmission format set, a set of transmission modes used by the control channel transmission format included in the candidate control channel transmission format set, reference signal configuration information used by the control channel transmission format included in the candidate control channel transmission format set, power control parameters used by the control channel transmission format included in the candidate control channel transmission format set, coding methods used by the control channel transmission formats included in the candidate control channel transmission format set, and modulation methods used by the control channel transmission formats included in the candidate control channel transmission format set.

[0075] It should be noted that when the reference signal of the above-mentioned first control channel transmission format and part of the control information of the above-mentioned first control channel transmission format adopt a frequency division method, the reference signal density of the above-mentioned second control channel transmission format is greater than or equal to the reference signal density of the above-mentioned first control channel transmission format.

[0076] It should be noted that the number of symbols included in the above-mentioned first control channel transmission format is n; wherein, 2n 14, n is an integer.

[0077] In one embodiment of the present invention, the first control channel transmission format may support A encoding modes, and the second control channel transmission format may support B encoding modes, where A and B are both integers greater than or equal to 1. It should be noted that A is greater than B.

[0078] It should be noted that the above-mentioned communication node may be a terminal, but is not limited thereto.

[0079] Optionally, the execution subject 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.

[0080] Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus the necessary general hardware platform, and of course it can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk), and includes a number of instructions for enabling a terminal device (which can be a mobile phone, computer, server, or network device, etc.) to execute the methods described in each embodiment of the present invention.

[0081] Example 2

[0082] The method embodiment provided in Example 2 of the present application can be executed in a mobile terminal, a computer terminal or a similar computing device. Taking running on a mobile terminal as an example, Figure 2 FIG. 1 is a hardware structure diagram of a mobile terminal of an information processing method according to an embodiment of the present invention. Figure 2 As shown, the mobile terminal 20 may include one or more (only one is shown in the figure) processors 202 (the processor 202 may include but is not limited to a processing device such as a microprocessor MCU or a programmable logic device FPGA), a memory 204 for storing data, and a transmission device 206 for communication functions. It will be understood by those skilled in the art that Figure 2 The structure shown is only for illustration and does not limit the structure of the above electronic device. Figure 2 More or fewer components than shown, or with Figure 2 Different configurations shown.

[0083] The memory 204 can 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. The processor 202 executes various functional applications and data processing by running the software programs and modules stored in the memory 204, that is, implementing the above-mentioned method. The memory 204 may include a high-speed random access memory and may also include a 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 a memory remotely located relative to the processor 202, and these remote memories may be connected to the mobile terminal 20 via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0084] The transmission device 206 is configured to receive or transmit data via a network. A specific example of the aforementioned network may include a wireless network provided by the telecommunications provider of the mobile terminal 20. In one embodiment, the transmission device 206 includes a network interface controller (NIC), which can be connected to other network devices via a base station to enable communication with the Internet. In another embodiment, the transmission device 206 may be a radio frequency (RF) module, which is configured to communicate with the Internet wirelessly.

[0085] In this embodiment, an information processing method running on the above mobile terminal is provided, but it is not limited to running on the above mobile terminal. Figure 3 is a flow chart of an information processing method according to an embodiment of the present invention. Figure 3 As shown, the process includes the following steps:

[0086] Step S302: receiving configuration information sent by the first communication node for describing a candidate control channel transmission format set;

[0087] Step S304, determining a candidate control channel transmission format set according to the configuration information;

[0088] Step S306: Send or receive a control channel according to a candidate control channel transmission format set; wherein the candidate control channel transmission format set is determined by the first communication node from a control channel transmission format set; the control channel transmission format set includes X control channel transmission formats, wherein the X control channel transmission formats include at least: 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 greater than a transmission time interval of the second control channel transmission format; and the candidate control channel transmission format set includes Y control channel transmission formats, where X is an integer greater than or equal to 2, and Y is an integer.

[0089] Through the above steps, since the control channel transmission set includes X control channel transmission formats, the X control channel transmission formats include at least 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, that is, control channel transmission formats with different transmission time intervals exist. Therefore, when needed, a control channel transmission format with an appropriate transmission time interval can be selected as needed. Compared with the single control channel transmission format in the related art, the flexibility of system expansion is improved. Therefore, the problem of poor forward compatibility in the control channel design in the related art can be solved, thereby improving forward compatibility.

[0090] In one embodiment of the present invention, before the above-mentioned step S302, the above-mentioned method may further include: sending feedback information to the first communication node, wherein the feedback information is used by the first communication node to determine a candidate control channel transmission format set from the control channel transmission format set; wherein the feedback information includes at least one of the following: the capability of the second communication node, the channel status information between the second communication node and the first communication node, the control channel transmission format recommended by the second communication node, the power status of the second communication node, the control channel transmission mode supported by the second communication node, and the control channel transmission format set supported by the second communication node.

[0091] It should be noted that the control channel transmission format may include control information and a reference signal. In one embodiment of the present invention, the reference signal in the first control channel transmission format and the control information in the first control channel transmission format support at least being sent using a time division method or a frequency division method. The reference signal in the second control channel transmission format and the control information in the second control channel transmission format support at least being sent using a frequency division method.

[0092] It should be noted that the number of waveforms included in the waveform set 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 waveform set used by the first control channel transmission format.

[0093] In one embodiment of the present invention, only one control channel transmission format can be configured for the second communication node in the same transmission time slot.

[0094] In one embodiment of the present invention, when the resources used by the control channel transmission format configured for the second communication node by the configuration information overlap with the time domain portion of the resources used by the second communication node to transmit data to the first communication node, the second communication node uses the same waveform and / or the same transmission beam to send data and control channel transmission format.

[0095] In one 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; wherein, the reference signal density of the second control channel transmission format is the quotient obtained by dividing the resources occupied by the reference channel of each antenna port by the resources occupied by the second control channel transmission format, and the reference signal density of the first control channel transmission format is the quotient obtained by dividing the resources occupied by the reference channel of each antenna port by the resources occupied by the first control channel transmission format.

[0096] It should be noted that the number of symbols included in the first control channel transmission format is m; wherein, m is greater than or equal to 3.

[0097] It should be noted that there are Z types of reference signal configuration information 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 type of reference signal configuration information includes at least one of the following: pattern, density, sequence, number of ports, transmission mechanism, transmit beam, and power control parameter.

[0098] In one embodiment of the present invention, the above-mentioned configuration information for describing the candidate control channel transmission format set includes at least one of the following: resources used by the control channel transmission format included in the candidate control channel transmission format set, content format transmitted by the control channel transmission format included in the candidate control channel transmission format set, parameter information for determining the resources used by the control channel transmission format included in the candidate control channel transmission format set, waveforms used by the control channel transmission format included in the candidate control channel transmission format set, a set of transmission modes used by the control channel transmission format included in the candidate control channel transmission format set, reference signal configuration information used by the control channel transmission format included in the candidate control channel transmission format set, power control parameters used by the control channel transmission format included in the candidate control channel transmission format set, coding methods used by the control channel transmission formats included in the candidate control channel transmission format set, and modulation methods used by the control channel transmission formats included in the candidate control channel transmission format set.

[0099] 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 method, 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.

[0100] It should be noted that the number of symbols included in the first control channel transmission format is n; where 2n 14, n is an integer.

[0101] In one embodiment of the present invention, the first control channel transmission format supports A encoding modes, and the second control channel transmission format supports B encoding modes, where A and B are both integers greater than or equal to 1, and A is greater than B.

[0102] It should be noted that the execution subject of the above steps may be the second communication node, such as a terminal, etc., but is not limited thereto.

[0103] The above-mentioned 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.

[0104] Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus the necessary general hardware platform, and of course it can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk), and includes a number of instructions for enabling a terminal device (which can be a mobile phone, computer, server, or network device, etc.) to execute the methods described in each embodiment of the present invention.

[0105] Example 3

[0106] In this embodiment, an information sending device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments. The details already described will not be repeated here. As used below, the term "module" can be a combination of software and / or hardware that implements a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, the implementation of hardware, or a combination of software and hardware, is also possible and contemplated.

[0107] Figure 4 is a structural block diagram of an information sending device according to an embodiment of the present invention. Figure 4 As shown, the device includes:

[0108] a determining module 42 configured to determine a candidate control channel transport format set from a control channel transport format set; wherein the control channel transport format set includes X control channel transport formats, the X control channel transport formats including at least 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, and the candidate control channel transport format set includes Y control channel transport formats, where X is an integer greater than or equal to 2, and 1YX, Y is an integer;

[0109] The sending module 44 is connected to the determining module 42 and is used to send configuration information describing the candidate control channel transmission format set to the communication node.

[0110] With the above apparatus, since the control channel transmission set includes X control channel transmission formats, the X control channel transmission formats include at least 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, i.e., control channel transmission formats with different transmission time intervals exist. Therefore, when needed, a control channel transmission format with an appropriate transmission time interval can be selected as needed. Compared with the related art having a single control channel transmission format, the flexibility of system expansion is improved. Therefore, the problem of poor forward compatibility in control channel design in the related art can be solved, thereby improving forward compatibility.

[0111] It should be noted that the above-mentioned determination module 42 can also be used to determine a candidate control channel transmission format set from the control channel transmission format set based on the feedback information of the communication node; wherein the feedback information includes at least one of the following: the capability of the communication node (different communication nodes support different numbers of control channel transmission formats), channel state information between the communication node and the network side node (when the communication node is at the edge of the cell or power is limited, the network side node may require the communication node to use the first control channel transmission format to transmit the control channel), the control channel transmission format recommended by the communication node (the communication node gives suggestions based on its own capabilities and channel environment), the power status of the communication node (terminals with low power use the first control channel transmission format, and terminals with high power use the second control channel transmission format), the control channel transmission mode supported by the communication node (related to the capability of the terminal, for example, some terminals support OFDM waveforms, some terminals support SC-FDMA waveforms, and some support both), and the control channel transmission format set supported by the communication node (related to the capability of the communication node).

[0112] It should be noted that the capabilities of a communication node may refer to the number of control channel transmission formats supported by the communication node; that is, the number of control channel transmission formats supported by the communication node can be obtained from the capabilities of the communication node to further determine the candidate control channel transmission format set. For example, the candidate control channel transmission format set can be determined based on the power level of the communication node, such as using a first control channel transmission format for a communication node with low power and a second control channel transmission format for a communication node with high power, but the present invention is not limited to this.

[0113] It should be noted that the control channel transmission format may include control information and reference signals. In one embodiment of the present invention, the reference signal of the above-mentioned first control channel transmission format and the control information of the above-mentioned first control channel transmission format at least support being sent using a time division method or a frequency division method.

[0114] In one embodiment of the present invention, the reference signal in the second control channel transmission format and the control information in the second control channel transmission format at least support being sent using a frequency division method.

[0115] It should be noted that the number of waveforms included in the waveform set 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 waveform set used by the first control channel transmission format.

[0116] In one embodiment of the present invention, only one control channel transmission format can be configured for a communication node in the same transmission time slot.

[0117] In one embodiment of the present invention, when the resources used by the control channel transmission format configured for the communication node by the configuration information overlap with the time domain portion of the resources used by the communication node when transmitting data to the network side node, the communication node can use the same waveform and / or the same transmission beam to send data and control channel transmission format.

[0118] In one 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.

[0119] It should be noted that the number of symbols included in the above-mentioned first control channel transmission format is m; wherein, m is greater than or equal to 3.

[0120] In one embodiment of the present invention, there are Z types of reference signal configuration information in the above-mentioned first control channel transmission format or the above-mentioned second control channel transmission format, where Z is an integer greater than or equal to 1, and each type of reference signal configuration information includes at least one of the following: pattern, density, sequence, number of ports, transmission mechanism, transmit beam, and power control parameter.

[0121] It should be noted that the configuration information used to describe the candidate control channel transmission format set may include at least one of the following: resources used by the control channel transmission format included in the candidate control channel transmission format set, content format transmitted by the control channel transmission format included in the candidate control channel transmission format set, parameter information for determining the resources used by the control channel transmission format included in the candidate control channel transmission format set, waveforms used by the control channel transmission format included in the candidate control channel transmission format set, a set of transmission modes used by the control channel transmission format included in the candidate control channel transmission format set, reference signal configuration information used by the control channel transmission format included in the candidate control channel transmission format set, power control parameters used by the control channel transmission format included in the candidate control channel transmission format set, coding methods used by the control channel transmission formats included in the candidate control channel transmission format set, and modulation methods used by the control channel transmission formats included in the candidate control channel transmission format set.

[0122] 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 method, 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 the quotient obtained by dividing the resources occupied by the reference channel of each antenna port by the resources occupied by the second control channel transmission format, and the reference signal density of the first control channel transmission format is the quotient obtained by dividing the resources occupied by the reference channel of each antenna port by the resources occupied by the first control channel transmission format.

[0123] It should be noted that the number of symbols included in the above-mentioned first control channel transmission format is n; wherein, 2n 14, n is an integer.

[0124] In one embodiment of the present invention, the first control channel transmission format may support A encoding modes, and the second control channel transmission format may support B encoding modes, where A and B are both integers greater than or equal to 1. It should be noted that A is greater than B.

[0125] It should be noted that the above-mentioned communication node may be a terminal, but is not limited thereto.

[0126] It should be noted that the above-mentioned device may be located in a network-side node, such as an upper-layer network element or a base station, but is not limited thereto.

[0127] It should be noted that the above modules can be implemented through software or hardware. For the latter, it can be implemented in the following ways, but not limited to: the above modules are all located in the same processor; or the above modules are located in different processors in any combination.

[0128] Example 4

[0129] In this embodiment, an information processing device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments. Details already described will not be repeated here. As used below, the term "module" may refer to a combination of software and / or hardware that implements a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, implementation using hardware, or a combination of software and hardware, is also possible and contemplated.

[0130] Figure 5 is a structural block diagram of an information processing device according to an embodiment of the present invention. Figure 5 As shown, the device includes:

[0131] A receiving module 52 is configured to receive configuration information describing a candidate control channel transmission format set sent by a first communication node;

[0132] a determination module 54, connected to the receiving module 52, configured to determine a candidate control channel transmission format set according to the configuration information;

[0133] A processing module 56 is connected to the determining module 54 and is configured to send or receive a control channel according to a candidate control channel transmission format set. The candidate control channel transmission format set is determined by the first communication node from a control channel transmission format set. The control channel transmission format set includes X control channel transmission formats, where the X control channel transmission formats include at least a first control channel transmission format and a second control channel transmission format. 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. The candidate control channel transmission format set includes Y control channel transmission formats, where X is an integer greater than or equal to 2, and Y is an integer.

[0134] With the above apparatus, since the control channel transmission set includes X control channel transmission formats, the X control channel transmission formats include at least 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, i.e., control channel transmission formats with different transmission time intervals exist. Therefore, when needed, a control channel transmission format with an appropriate transmission time interval can be selected as needed. Compared with the related art having a single control channel transmission format, the flexibility of system expansion is improved. Therefore, the problem of poor forward compatibility in control channel design in the related art can be solved, thereby improving forward compatibility.

[0135] It should be noted that the above-mentioned processing module 56 can also be used to send feedback information to the first communication node, wherein the feedback information is used by the first communication node to determine a candidate control channel transmission format set from the control channel transmission format set; wherein the feedback information includes at least one of the following: the capability of the second communication node, the channel status information between the second communication node and the first communication node, the control channel transmission format recommended by the second communication node, the power status of the second communication node, the control channel transmission method supported by the second communication node, and the control channel transmission format set supported by the second communication node.

[0136] It should be noted that the control channel transmission format may include control information and a reference signal. In one embodiment of the present invention, the reference signal in the first control channel transmission format and the control information in the first control channel transmission format support at least being sent using a time division method or a frequency division method. The reference signal in the second control channel transmission format and the control information in the second control channel transmission format support at least being sent using a frequency division method.

[0137] It should be noted that the number of waveforms included in the waveform set 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 waveform set used by the first control channel transmission format.

[0138] In one embodiment of the present invention, only one control channel transmission format can be configured for the second communication node in the same transmission time slot.

[0139] In one embodiment of the present invention, when the resources used by the control channel transmission format configured for the second communication node by the configuration information overlap with the time domain portion of the resources used by the second communication node to transmit data to the first communication node, the second communication node uses the same waveform and / or the same transmission beam to send data and control channel transmission format.

[0140] In one 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 the quotient obtained by dividing the resources occupied by the reference channel per antenna port by the resources occupied by the second control channel transmission format, and the reference signal density of the first control channel transmission format is the quotient obtained by dividing the resources occupied by the reference channel per antenna port by the resources occupied by the first control channel transmission format.

[0141] It should be noted that the number of symbols included in the first control channel transmission format is m; wherein, m is greater than or equal to 3.

[0142] It should be noted that there are Z types of reference signal configuration information 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 type of reference signal configuration information includes at least one of the following: pattern, density, sequence, number of ports, transmission mechanism, transmit beam, and power control parameter.

[0143] In one embodiment of the present invention, the above-mentioned configuration information for describing the candidate control channel transmission format set includes at least one of the following: resources used by the control channel transmission format included in the candidate control channel transmission format set, content format transmitted by the control channel transmission format included in the candidate control channel transmission format set, parameter information for determining the resources used by the control channel transmission format included in the candidate control channel transmission format set, waveforms used by the control channel transmission format included in the candidate control channel transmission format set, a set of transmission modes used by the control channel transmission format included in the candidate control channel transmission format set, reference signal configuration information used by the control channel transmission format included in the candidate control channel transmission format set, power control parameters used by the control channel transmission format included in the candidate control channel transmission format set, coding methods used by the control channel transmission formats included in the candidate control channel transmission format set, and modulation methods used by the control channel transmission formats included in the candidate control channel transmission format set.

[0144] 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 method, 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.

[0145] It should be noted that the number of symbols included in the first control channel transmission format is n; where 2n 14, n is an integer.

[0146] In one embodiment of the present invention, the first control channel transmission format supports A encoding modes, and the second control channel transmission format supports B encoding modes, where A and B are both integers greater than or equal to 1, and A is greater than B.

[0147] It should be noted that the above-mentioned device may be located in the second communication node, such as a terminal, etc., but is not limited thereto.

[0148] The above-mentioned 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.

[0149] It should be noted that the above modules can be implemented through software or hardware. For the latter, it can be implemented in the following ways, but not limited to: the above modules are all located in the same processor; or the above modules are located in different processors in any combination.

[0150] Example 5

[0151] This embodiment of the present application provides a first communication node, Figure 6 is a structural block diagram of a first communication node provided according to an embodiment of the present invention, such as Figure 6 As shown, the first communication node includes:

[0152] The processor 62 is configured to determine a candidate control channel transport format set from a control channel transport format set; wherein the control channel transport format set includes X control channel transport formats, and the X control channel transport formats include at least 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, and the candidate control channel transport format set includes Y control channel transport formats, where X is an integer greater than or equal to 2, and 1YX, Y is an integer.

[0153] The radio frequency module 64 is connected to the processor 62 and is used to send configuration information describing the candidate control channel transmission format set to the second communication node.

[0154] With the first communication node, since the control channel transmission set includes X control channel transmission formats, the X control channel transmission formats include at least 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, that is, there are control channel transmission formats with different transmission time intervals. Therefore, when needed, a control channel transmission format with an appropriate transmission time interval can be selected as needed. Compared with the single control channel transmission format in the related art, the flexibility of system expansion is improved. Therefore, the problem of poor forward compatibility in the control channel design in the related art can be solved, thereby improving forward compatibility.

[0155] It should be noted that the above-mentioned processor 62 can also be used to determine a candidate control channel transmission format set from the control channel transmission format set based on the feedback information of the communication node; wherein the feedback information includes at least one of the following: the capability of the second communication node, the channel status information between the second communication node and the first communication node, the control channel transmission format recommended by the second communication node, the power status of the second communication node, the control channel transmission method supported by the second communication node, and the control channel transmission format set supported by the second communication node.

[0156] It should be noted that the control channel transmission format may include control information and reference signals. In one embodiment of the present invention, the reference signal of the above-mentioned first control channel transmission format and the control information of the above-mentioned first control channel transmission format at least support being sent using a time division method or a frequency division method.

[0157] In one embodiment of the present invention, the reference signal in the second control channel transmission format and the control information in the second control channel transmission format at least support being sent using a frequency division method.

[0158] It should be noted that the number of waveforms included in the waveform set 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 waveform set used by the first control channel transmission format.

[0159] In one embodiment of the present invention, only one control channel transmission format can be configured for the second communication node in the same transmission time slot.

[0160] In one embodiment of the present invention, when the resources used by the control channel transmission format configured for the second communication node by the configuration information overlap with the time domain portion of the resources used by the second communication node when transmitting data to the network side node, the second communication node can use the same waveform and / or the same transmission beam to send data and control channel transmission format.

[0161] In one 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 the quotient obtained by dividing the resources occupied by the reference channel per antenna port by the resources occupied by the second control channel transmission format, and the reference signal density of the first control channel transmission format is the quotient obtained by dividing the resources occupied by the reference channel per antenna port by the resources occupied by the first control channel transmission format.

[0162] It should be noted that the number of symbols included in the above-mentioned first control channel transmission format is m; wherein, m is greater than or equal to 3.

[0163] In one embodiment of the present invention, there are Z types of reference signal configuration information in the above-mentioned first control channel transmission format or the above-mentioned second control channel transmission format, where Z is an integer greater than or equal to 1, and each type of reference signal configuration information includes at least one of the following: pattern, density, sequence, number of ports, transmission mechanism, transmit beam, and power control parameter.

[0164] It should be noted that the configuration information used to describe the candidate control channel transmission format set may include at least one of the following: resources used by the control channel transmission format included in the candidate control channel transmission format set, content format transmitted by the control channel transmission format included in the candidate control channel transmission format set, parameter information for determining the resources used by the control channel transmission format included in the candidate control channel transmission format set, waveforms used by the control channel transmission format included in the candidate control channel transmission format set, a set of transmission modes used by the control channel transmission format included in the candidate control channel transmission format set, reference signal configuration information used by the control channel transmission format included in the candidate control channel transmission format set, power control parameters used by the control channel transmission format included in the candidate control channel transmission format set, coding methods used by the control channel transmission formats included in the candidate control channel transmission format set, and modulation methods used by the control channel transmission formats included in the candidate control channel transmission format set.

[0165] It should be noted that when the reference signal of the above-mentioned first control channel transmission format and part of the control information of the above-mentioned first control channel transmission format adopt a frequency division method, the reference signal density of the above-mentioned second control channel transmission format is greater than or equal to the reference signal density of the above-mentioned first control channel transmission format.

[0166] It should be noted that the number of symbols included in the above-mentioned first control channel transmission format is n; wherein, 2n 14, n is an integer.

[0167] In one embodiment of the present invention, the first control channel transmission format may support A encoding modes, and the second control channel transmission format may support B encoding modes, where A and B are both integers greater than or equal to 1. It should be noted that A is greater than B.

[0168] It should be noted that the above-mentioned 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.

[0169] The second communication node may be a terminal, but is not limited thereto.

[0170] Example 6

[0171] This embodiment of the application provides a second communication node, Figure 7 is a structural block diagram of a second communication node provided according to an embodiment of the present invention, such as Figure 7 As shown, the second communication node includes:

[0172] The processor 72 is configured to receive configuration information describing a candidate control channel transport format set sent by the first communication node; and determine the candidate control channel transport format set according to the configuration information;

[0173] A radio frequency module 74 is connected to the processor 72 and is configured to send or receive a control channel according to a candidate control channel transmission format set. The candidate control channel transmission format set is determined by the first communication node from a control channel transmission format set. The control channel transmission format set includes X control channel transmission formats, where the X control channel transmission formats include at least a first control channel transmission format and a second control channel transmission format. 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. The candidate control channel transmission format set includes Y control channel transmission formats, where X is an integer greater than or equal to 2, and Y is an integer.

[0174] With the second communication node, since the control channel transmission set includes X control channel transmission formats, the X control channel transmission formats include at least 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, that is, there are control channel transmission formats with different transmission time intervals. Therefore, when needed, a control channel transmission format with an appropriate transmission time interval can be selected as needed. Compared with the single control channel transmission format in the related art, the flexibility of system expansion is improved. Therefore, the problem of poor forward compatibility in the control channel design in the related art can be solved, thereby improving forward compatibility.

[0175] It should be noted that the above-mentioned RF module 74 is also used to send feedback information to the first communication node, wherein the feedback information is used by the first communication node to determine a candidate control channel transmission format set from the control channel transmission format set; wherein the feedback information includes at least one of the following: the capability of the second communication node, the channel status information between the second communication node and the first communication node, the control channel transmission format recommended by the second communication node, the power status of the second communication node, the control channel transmission method supported by the second communication node, and the control channel transmission format set supported by the second communication node.

[0176] It should be noted that the control channel transmission format may include control information and a reference signal. In one embodiment of the present invention, the reference signal in the first control channel transmission format and the control information in the first control channel transmission format support at least being sent using a time division method or a frequency division method. The reference signal in the second control channel transmission format and the control information in the second control channel transmission format support at least being sent using a frequency division method.

[0177] It should be noted that the number of waveforms included in the waveform set 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 waveform set used by the first control channel transmission format.

[0178] In one embodiment of the present invention, only one control channel transmission format can be configured for the second communication node in the same transmission time slot.

[0179] In one embodiment of the present invention, when the resources used by the control channel transmission format configured for the second communication node by the configuration information overlap with the time domain portion of the resources used by the second communication node to transmit data to the first communication node, the second communication node uses the same waveform and / or the same transmission beam to send data and control channel transmission format.

[0180] In one 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 the quotient obtained by dividing the resources occupied by the reference channel per antenna port by the resources occupied by the second control channel transmission format, and the reference signal density of the first control channel transmission format is the quotient obtained by dividing the resources occupied by the reference channel per antenna port by the resources occupied by the first control channel transmission format.

[0181] It should be noted that the number of symbols included in the first control channel transmission format is m; wherein, m is greater than or equal to 3.

[0182] It should be noted that there are Z types of reference signal configuration information 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 type of reference signal configuration information includes at least one of the following: pattern, density, sequence, number of ports, transmission mechanism, transmit beam, and power control parameter.

[0183] In one embodiment of the present invention, the above-mentioned configuration information for describing the candidate control channel transmission format set includes at least one of the following: resources used by the control channel transmission format included in the candidate control channel transmission format set, content format transmitted by the control channel transmission format included in the candidate control channel transmission format set, parameter information for determining the resources used by the control channel transmission format included in the candidate control channel transmission format set, waveforms used by the control channel transmission format included in the candidate control channel transmission format set, a set of transmission modes used by the control channel transmission format included in the candidate control channel transmission format set, reference signal configuration information used by the control channel transmission format included in the candidate control channel transmission format set, power control parameters used by the control channel transmission format included in the candidate control channel transmission format set, coding methods used by the control channel transmission formats included in the candidate control channel transmission format set, and modulation methods used by the control channel transmission formats included in the candidate control channel transmission format set.

[0184] 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 method, 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.

[0185] It should be noted that the number of symbols included in the first control channel transmission format is n; where 2n 14, n is an integer.

[0186] In one embodiment of the present invention, the first control channel transmission format supports A encoding modes, and the second control channel transmission format supports B encoding modes, where A and B are both integers greater than or equal to 1, and A is greater than B.

[0187] It should be noted that the above-mentioned first communication node can be a network side node, such as an upper-layer network element or a base station, but is not limited thereto; the above-mentioned second communication node can be a terminal, but is not limited thereto.

[0188] Example 7

[0189] The embodiment of the present invention further provides a storage medium. Optionally, in this embodiment, the storage medium can be configured to store program codes for executing the steps in embodiment 1 or embodiment 2.

[0190] Optionally, in this embodiment, the above-mentioned storage medium may include but is not limited to: a USB flash drive, a read-only memory (ROM), a random access memory (RAM), a mobile hard disk, a magnetic disk or an optical disk, and other media that can store program codes.

[0191] Optionally, in this embodiment, the processor executes the steps of the method in embodiment 1 or embodiment 2 according to the program code stored in the storage medium.

[0192] Optionally, specific examples in this embodiment may refer to the examples described in the above embodiments and optional implementation modes, and this embodiment will not be described in detail here.

[0193] In order to better understand the present invention, the present invention is further explained below in conjunction with preferred embodiments.

[0194] Preferred embodiment 1

[0195] A network-side node (an upper-layer network element or a 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, where X is an integer greater than or equal to 2, and at least one of the X control channel transport formats (a first control channel transport format) has a transmission time interval greater than a transmission time interval of another control channel transport format (a second control channel transport format), and the number of symbols (e.g., OFDM symbols, SC-FDMA symbols, etc.) included in the first control channel transport format is greater than or equal to 2 and less than or equal to 14.

[0196] 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 includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0197] Preferred embodiment 2

[0198] The terminal sends feedback information to the base station. Preferably, the feedback information includes at least one of the following: the capabilities of the terminal, the channel status information between the terminal and the base station, the control channel transmission format recommended by the terminal, the power status of the terminal, the control channel transmission mode supported by the terminal, and the control channel transmission format set supported by the terminal.

[0199] The network-side node (an upper-layer network element or a base station) determines a candidate control channel transport format set from a control channel transport format set based on the feedback information, wherein the control channel transport format set includes X control channel transport formats, where X is an integer greater than or equal to 2, and at least one of the X control channel transport formats includes a control channel transport format (a first control channel transport format) whose transmission time interval is longer than a transmission time interval of another control channel transport format (a second control channel transport format).

[0200] 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 includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0201] Preferred embodiment 3

[0202] A network-side node (an upper-layer network element or a 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, where X is an integer greater than or equal to 2, and at least one of the X control channel transport formats (a first control channel transport format) has a transmission time interval that is greater than a transmission time interval of another control channel transport format (a second control channel transport format). Figure 8Schematic diagram of the first control channel transmission format and the second control channel transmission format provided according to the preferred embodiment 3 of the present invention, such as Figure 8 As shown, preferably, the reference signal of the first control channel transmission format and the control information transmitted in the control channel transmission format at least support being sent using a time division or frequency division method; preferably, the reference signal of the second control channel transmission format and the control information transmitted in the control channel transmission format at least support being sent using a frequency division method.

[0203] 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 includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0204] Preferred embodiment 4

[0205] A network-side node (an upper-layer 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 includes X control channel transmission formats, where 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) among the X control channel transmission formats is greater than the 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 available for use by the second control channel transmission format is less than or equal to the number of waveforms included in the waveform set available for use by the first control channel transmission format. For example, the waveform supported by the second control channel transmission format is an OFDM scheme, while the waveform supported by the first control channel is an SC-FDMA or OFDM scheme.

[0206] 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 includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0207] Preferred embodiment 5

[0208] A network-side node (an upper-layer network element or a 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, where X is an integer greater than or equal to 2, and at least one of the X control channel transport formats (a first control channel transport format) has a transmission time interval that is greater than a transmission time interval of another control channel transport format (a second control channel transport format).

[0209] Preferably, Figure 9Schematic diagram of the first control channel transmission format and the second control channel transmission format provided according to the preferred embodiment 5 of the present invention, as shown in FIG. Figure 9 As shown, when the reference signal and control information of the first control channel transmission format adopt a frequency division method, 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 contained in the first control channel transmission format is greater than or equal to 3.

[0210] 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 includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0211] Preferred embodiment 6

[0212] A network-side node (an upper-layer network element or a 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, where X is an integer greater than or equal to 2, and at least one of the X control channel transport formats (a first control channel transport format) has a transmission time interval that is greater than a transmission time interval of another control channel transport format (a second control channel transport format).

[0213] 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 includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0214] Preferably, in the same transmission time slot, the base station can only configure one control channel transmission format for the terminal.

[0215] Preferred embodiment 7

[0216] A network-side node (an upper-layer network element or a 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, where X is an integer greater than or equal to 2, and at least one of the X control channel transport formats (a first control channel transport format) has a transmission time interval that is greater than a transmission time interval of another control channel transport format (a second control channel transport format).

[0217] 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 includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0218] Preferably, Figure 10 2 is a schematic diagram showing a situation where resources used by the control channel transmission format configured for the terminal according to the configuration information provided in the preferred embodiment 7 of the present invention overlap with the time domain portion of resources used by the terminal to transmit data to the base station, as shown in FIG. Figure 10 As shown, when the resources used by the control channel transmission format configured for the terminal by the configuration information overlap with the time domain part of the resources used by the terminal to transmit data to the base station, the second communication node uses the same waveform and / or transmission beam to send the data and the control channel transmission format.

[0219] Preferred embodiment 8

[0220] A network-side node (an upper-layer network element or a 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, where X is an integer greater than or equal to 2, and at least one of the X control channel transport formats (a first control channel transport format) has a transmission time interval that is greater than a transmission time interval of another control channel transport format (a second control channel transport format).

[0221] Preferably, Figure 11 Schematic diagram of the first control channel transmission format and the second control channel transmission format provided according to the preferred embodiment 8 of the present invention, such as Figure 11 As shown, 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.

[0222] 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 includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0223] Preferred embodiment 9

[0224] A network-side node (an upper-layer network element or a 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, where X is an integer greater than or equal to 2, and at least one of the X control channel transport formats (a first control channel transport format) has a transmission time interval that is greater than a transmission time interval of another control channel transport format (a second control channel transport format).

[0225] Preferably, the first control channel transmission format or the second control channel transmission format has Z types of reference signal configuration information, where Z is an integer greater than or equal to 1, and each group of reference signal (pilot) configuration information includes one of the following or a combination thereof: pattern, density, sequence, number of ports, transmission mechanism, transmit beam, and power control parameters.

[0226] 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 includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0227] Preferred embodiment 10

[0228] A network-side node (an upper-layer network element or a 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, where X is an integer greater than or equal to 2, and at least one of the X control channel transport formats (a first control channel transport format) has a transmission time interval that is greater than a transmission time interval of another control channel transport format (a second control channel transport format).

[0229] Preferably, the configuration information describing the candidate control channel transmission format set includes one of the following or a combination thereof: resources used by the control channel corresponding to the control channel transmission format, content format of the control channel transmission corresponding to the control channel transmission format, parameter information for determining the resources used by the control channel corresponding to the control channel transmission format, waveform used by the control channel corresponding to the control channel transmission format, transmission mode used by the control channel corresponding to the control channel transmission format, reference signal configuration information used by the control channel corresponding to the control channel transmission format, and power control parameters used by the control channel corresponding to the control channel transmission format.

[0230] 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 includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0231] Preferred embodiment 11

[0232] The terminal receives configuration information describing a candidate control channel transmission format set sent by the base station.

[0233] The terminal receives or sends a control channel based on the configuration information.

[0234] Preferably, the candidate control channel transmission format set includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0235] Preferably, the network-side node (upper-layer network element or base station) determines the candidate control channel transmission format set from a control channel transmission format set, wherein the control channel transmission format set includes 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) among the X control channel transmission formats is greater than the 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.

[0236] Preferred embodiment 12

[0237] The terminal sends feedback information to the base station. Preferably, the feedback information includes at least one of the following: the capabilities of the terminal, the channel status information between the terminal and the base station, the control channel transmission format recommended by the terminal, the power status of the terminal, the control channel transmission mode supported by the terminal, and the control channel transmission format set supported by the terminal.

[0238] The network-side node (an upper-layer network element or a base station) determines a candidate control channel transport format set from a control channel transport format set based on the feedback information, wherein the control channel transport format set includes X control channel transport formats, where X is an integer greater than or equal to 2, and at least one of the X control channel transport formats includes a control channel transport format (a first control channel transport format) whose transmission time interval is longer than a transmission time interval of another control channel transport format (a second control channel transport format).

[0239] 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 includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0240] The terminal receives configuration information describing a candidate control channel transmission format set sent by the base station.

[0241] The terminal receives or sends a control channel based on the configuration information.

[0242] Preferred embodiment 13

[0243] The terminal receives configuration information describing a candidate control channel transmission format set sent by the base station.

[0244] The terminal receives or sends a control channel based on the configuration information.

[0245] Preferably, the candidate control channel transmission format set includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0246] Preferably, the network-side node (upper-layer network element or base station) determines a candidate control channel transmission format set from a control channel transmission format set, wherein the control channel transmission format set includes 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) among the X control channel transmission formats is greater than the transmission time interval of another control channel transmission format (a second control channel transmission format). Figure 8 As shown, preferably, the reference signal of the first control channel transmission format and the control information transmitted in the control channel transmission format at least support being sent using a time division or frequency division method; preferably, the reference signal of the second control channel transmission format and the control information transmitted in the control channel transmission format at least support being sent using a frequency division method.

[0247] Preferred embodiment 14

[0248] The terminal receives configuration information describing a candidate control channel transmission format set sent by the base station.

[0249] The terminal receives or sends a control channel based on the configuration information.

[0250] Preferably, the candidate control channel transmission format set includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0251] Preferably, a network-side node (an upper-layer 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 includes X control channel transmission formats, where 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) among the X control channel transmission formats is greater than the 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 available for the second control channel transmission format is less than or equal to the number of waveforms included in the waveform set available for the first control channel transmission format. For example, the waveform supported by the second control channel transmission format is an OFDM scheme, while the waveform supported by the first control channel is an SC-FDMA or OFDM scheme.

[0252] Preferred embodiment 15

[0253] The terminal receives configuration information describing a candidate control channel transmission format set sent by the base station.

[0254] The terminal receives or sends a control channel based on the configuration information.

[0255] Preferably, the candidate control channel transmission format set includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0256] Preferably, the network-side node (upper-layer network element or base station) determines a candidate control channel transmission format set from a control channel transmission format set, wherein the control channel transmission format set includes 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 (first control channel transmission format) among the X control channel transmission formats is greater than the transmission time interval of another control channel transmission format (second control channel transmission format).

[0257] Preferably, if Figure 9 As shown, when the reference signal and control information of the first control channel transmission format adopt a frequency division method, 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 contained in the first control channel transmission format is greater than or equal to 3.

[0258] Preferred Embodiment 16

[0259] The terminal receives configuration information describing a candidate control channel transmission format set sent by the base station.

[0260] The terminal receives or sends a control channel based on the configuration information.

[0261] Preferably, the candidate control channel transmission format set includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0262] Preferably, the network-side node (upper-layer network element or base station) determines a candidate control channel transmission format set from a control channel transmission format set, wherein the control channel transmission format set includes 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 (first control channel transmission format) among the X control channel transmission formats is greater than the transmission time interval of another control channel transmission format (second control channel transmission format).

[0263] Preferably, in the same transmission time slot, the base station can only configure one control channel transmission format for the terminal.

[0264] Preferred Embodiment 17

[0265] The terminal receives configuration information describing a candidate control channel transmission format set sent by the base station.

[0266] The terminal receives or sends a control channel based on the configuration information.

[0267] Preferably, the candidate control channel transmission format set includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0268] Preferably, the network-side node (upper-layer network element or base station) determines a candidate control channel transmission format set from a control channel transmission format set, wherein the control channel transmission format set includes 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 (first control channel transmission format) among the X control channel transmission formats is greater than the transmission time interval of another control channel transmission format (second control channel transmission format).

[0269] Preferably, if Figure 10 As shown, when the resources used by the control channel transmission format configured for the terminal by the configuration information overlap with the time domain part of the resources used by the terminal to transmit data to the base station, the second communication node uses the same waveform and / or transmission beam to send the data and the control channel transmission format.

[0270] Preferred Embodiment 18

[0271] The terminal receives configuration information describing a candidate control channel transmission format set sent by the base station.

[0272] The terminal receives or sends a control channel based on the configuration information.

[0273] Preferably, the candidate control channel transmission format set includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0274] Preferably, the network-side node (upper-layer network element or base station) determines a candidate control channel transmission format set from a control channel transmission format set, wherein the control channel transmission format set includes 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 (first control channel transmission format) among the X control channel transmission formats is greater than the transmission time interval of another control channel transmission format (second control channel transmission format).

[0275] Preferably, if Figure 11 As shown, 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.

[0276] Preferred embodiment 19

[0277] The terminal receives configuration information describing a candidate control channel transmission format set sent by the base station.

[0278] The terminal receives or sends a control channel based on the configuration information.

[0279] Preferably, the candidate control channel transmission format set includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0280] Preferably, the network-side node (upper-layer network element or base station) determines a candidate control channel transmission format set from a control channel transmission format set, wherein the control channel transmission format set includes 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 (first control channel transmission format) among the X control channel transmission formats is greater than the transmission time interval of another control channel transmission format (second control channel transmission format).

[0281] Preferably, the first control channel transmission format or the second control channel transmission format has Z types of reference signal configuration information, where Z is an integer greater than or equal to 1, and each group of reference signal (pilot) configuration information includes one of the following or a combination thereof: pattern, density, sequence, number of ports, transmission mechanism, transmit beam, and power control parameters.

[0282] Preferred Embodiment 20

[0283] The terminal receives configuration information describing a candidate control channel transmission format set sent by the base station.

[0284] The terminal receives or sends a control channel based on the configuration information.

[0285] Preferably, the candidate control channel transmission format set includes Y control channel transmission formats, where Y is an integer greater than or equal to 1 and less than or equal to X.

[0286] Preferably, the network-side node (upper-layer network element or base station) determines a candidate control channel transmission format set from a control channel transmission format set, wherein the control channel transmission format set includes 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 (first control channel transmission format) among the X control channel transmission formats is greater than the transmission time interval of another control channel transmission format (second control channel transmission format).

[0287] Preferably, the configuration information describing the candidate control channel transmission format set includes one of the following or a combination thereof: resources used by the control channel corresponding to the control channel transmission format, content format of the control channel transmission corresponding to the control channel transmission format, parameter information for determining the resources used by the control channel corresponding to the control channel transmission format, waveform used by the control channel corresponding to the control channel transmission format, transmission mode used by the control channel corresponding to the control channel transmission format, reference signal configuration information used by the control channel corresponding to the control channel transmission format, and power control parameters used by the control channel corresponding to the control channel transmission format.

[0288] It should be noted that the transmission method mentioned in this patent includes at least one of the following: transmission beam, transmission port, transmission resource, reference signal sequence, and transmission precoding matrix (analog, digital, or hybrid).

[0289] It should be noted 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, hybrid), and receiver algorithm.

[0290] It should be noted that the transmission method mentioned in this patent includes at least one of the following: transmission beam, transmission port, transmission resource, reference signal sequence, and transmission precoding matrix (analog, digital, or hybrid).

[0291] It should be noted 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, hybrid), and receiver algorithm.

[0292] It should be noted that the beam can be a resource (such as transmitting end precoding, receiving end precoding, antenna port, antenna weight vector, antenna weight matrix, etc.), and the beam number can be replaced by a resource index, because the beam can be bound to some time-frequency code resources for transmission. The beam can also be a transmission (sending / receiving) mode; the transmission mode may include spatial division multiplexing, frequency domain / time domain diversity, etc. The receiving beam refers to the beam of the receiving end that does not need to be indicated, or the beam resource of the receiving end that the transmitting end can use through the current reference signal and antenna port and the reference signal (or reference signal) reported by the UE feedback and the quasi-co-location (QCL) indication of the antenna port.

[0293] It should be noted that the reference signal density mentioned in the present invention is the reference signal density per antenna port, which is obtained by dividing the resources occupied by the reference signal per antenna port by the resources occupied by the control channel transmission format.

[0294] Obviously, those skilled in the art will appreciate that the various modules or steps of the present invention described above can be implemented using a general-purpose computing device, centralized on a single computing device, or distributed across a network of multiple computing devices. Alternatively, they can be implemented using program code executable by a computing device, which can then be stored in a storage device and executed by the computing device. In some cases, the steps shown or described can be performed in a different order than that shown, or can be fabricated as separate integrated circuit modules, or multiple modules or steps can be fabricated as a single integrated circuit module. Thus, the present invention is not limited to any particular combination of hardware and software.

[0295] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A method for sending information, characterized in that: include: Determining a candidate control channel transport format set from a control channel transport format set; wherein the control channel transport format set includes X control channel transport formats, and the X control channel transport formats include at least 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, and the candidate control channel transport format set includes Y control channel transport formats, where X is an integer greater than or equal to 2. , Y is an integer; Sending configuration information describing the candidate control channel transport format set to a communication node; The reference signal in the first control channel transmission format and the control information in the first control channel transmission format at least support being sent using a time division method or a frequency division method; The configuration information used to describe the candidate control channel transmission format set includes at least one of the following: resources used by the control channel transmission formats contained in the candidate control channel transmission format set, content formats transmitted by the control channel transmission formats contained in the candidate control channel transmission format set, parameter information for determining 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 set of transmission modes 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, coding modes used by the control channel transmission formats contained in the candidate control channel transmission format set, and modulation modes used by the control channel transmission formats contained in the candidate control channel transmission format set.

2. The method according to claim 1, characterized in that Determining a candidate control channel transport format set from the control channel transport format set includes: The candidate control channel transmission format set is determined from the control channel transmission format set based on the feedback information of the communication node; wherein the feedback information includes at least one of the following: the capability of the communication node, the channel status information between the communication node and the network side node, the control channel transmission format recommended by the communication node, the power status of the communication node, the control channel transmission mode supported by the communication node, and the control channel transmission format set supported by the communication node.

3. The method according to claim 2, characterized in that The capability of the communication node is used to indicate the number of control channel transmission formats supported by the communication node.

4. The method according to claim 1, wherein The reference signal in the second control channel transmission format and the control information in the second control channel transmission format at least support being sent in a frequency division manner.

5. The method according to claim 1, wherein The number of waveforms included in the waveform set 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 waveform set used by the first control channel transmission format.

6. The method according to claim 1, characterized in that In the same transmission time slot, only one control channel transmission format can be configured for the communication node.

7. The method according to claim 1, characterized in that When the resources used by the control channel transmission format configured for the communication node by the configuration information overlap with the time domain portion of the resources used by the communication node when transmitting data to the network side node, the communication node uses the same waveform and / or the same transmission beam to send the data and the control channel transmission format.

8. The method according to claim 1, characterized in that 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.

9. The method according to claim 1, characterized in that There are Z types of reference signal configuration information 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 type of reference signal configuration information includes at least one of the following: pattern, density, sequence, number of ports, transmission mechanism, transmit beam, and power control parameter.

10. The method according to claim 1, characterized in 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 method, 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.

11. The method according to claim 1, characterized in that The number of symbols included in the first control channel transmission format is n; wherein, , n is an integer.

12. The method according to claim 8, characterized in that The number of symbols included in the first control channel transmission format is m; wherein m is greater than or equal to 3.

13. The method according to claim 1, wherein The first control channel transmission format supports A encoding modes, and the second control channel transmission format supports B encoding modes, where A and B are both integers greater than or equal to 1.

14. An information processing method, characterized in that: Applied to a second communication node, comprising: receiving configuration information sent by the first communication node for describing a candidate control channel transmission format set; Determine the candidate control channel transmission format set according to the configuration information; The control channel is sent or received according to the candidate control channel transmission format set; wherein the candidate control channel transmission format set is determined by the first communication node from a control channel transmission format set; the control channel transmission format set includes X control channel transmission formats, and the X control channel transmission formats include at least: 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 greater than a transmission time interval of the second control channel transmission format, and the candidate control channel transmission format set includes Y control channel transmission formats, where X is an integer greater than or equal to 2. , Y is an integer; The reference signal in the first control channel transmission format and the control information in the first control channel transmission format at least support being sent using a time division method or a frequency division method; The configuration information used to describe the candidate control channel transmission format set includes at least one of the following: resources used by the control channel transmission formats contained in the candidate control channel transmission format set, content formats transmitted by the control channel transmission formats contained in the candidate control channel transmission format set, parameter information for determining 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 set of transmission modes 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, coding modes used by the control channel transmission formats contained in the candidate control channel transmission format set, and modulation modes used by the control channel transmission formats contained in the candidate control channel transmission format set.

15. The method according to claim 14, characterized in that Before receiving the configuration information sent by the first communication node for describing the candidate control channel transmission format set, the method further includes: Feedback information is sent to the first communication node, wherein the feedback information is used by the first communication node to determine the candidate control channel transmission format set from the control channel transmission format set; wherein the feedback information includes at least one of the following: the capability of the second communication node, the channel status information between the second communication node and the first communication node, the control channel transmission format recommended by the second communication node, the power status of the second communication node, the control channel transmission mode supported by the second communication node, and the control channel transmission format set supported by the second communication node.

16. The method according to claim 15, characterized in that The capability of the communication node is used to indicate the number of control channel transmission formats supported by the communication node.

17. The method according to claim 14, characterized in that The reference signal in the second control channel transmission format and the control information in the second control channel transmission format at least support being sent in a frequency division manner.

18. The method according to claim 14, characterized in that The number of waveforms included in the waveform set 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 waveform set used by the first control channel transmission format.

19. The method according to claim 14, wherein In the same transmission time slot, only one control channel transmission format can be configured for the second communication node.

20. The method according to claim 14, wherein When the resources used by the control channel transmission format configured for the second communication node by the configuration information overlap with the time domain portion of the resources used by the second communication node when transmitting data to the first communication node, the second communication node uses the same waveform and / or the same transmission beam to send the data and the control channel transmission format.

21. The method according to 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.

22. The method according to claim 14, wherein There are Z types of reference signal configuration information 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 type of reference signal configuration information includes at least one of the following: pattern, density, sequence, number of ports, transmission mechanism, transmit beam, and power control parameter.

23. The method according to claim 14, wherein 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 method, 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 according to claim 14, wherein The number of symbols included in the first control channel transmission format is n; wherein, , n is an integer.

25. The method according to claim 21, wherein The number of symbols included in the first control channel transmission format is m; wherein m is greater than or equal to 3.

26. The method according to claim 14, wherein The first control channel transmission format supports A encoding modes, and the second control channel transmission format supports B encoding modes, where A and B are both integers greater than or equal to 1, and A is greater than B.

27. An information sending device, characterized in that: include: a determining module, configured to determine a candidate control channel transport format set from a control channel transport format set; wherein the control channel transport format set includes X control channel transport formats, and the X control channel transport formats include at least 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, and the candidate control channel transport format set includes Y control channel transport formats, where 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 transmission format set to a communication node; The reference signal in the first control channel transmission format and the control information in the first control channel transmission format at least support being sent using a time division method or a frequency division method; The configuration information used to describe the candidate control channel transmission format set includes at least one of the following: resources used by the control channel transmission formats contained in the candidate control channel transmission format set, content formats transmitted by the control channel transmission formats contained in the candidate control channel transmission format set, parameter information for determining 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 set of transmission modes 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, coding modes used by the control channel transmission formats contained in the candidate control channel transmission format set, and modulation modes used by the control channel transmission formats contained in the candidate control channel transmission format set.

28. The device according to claim 27, characterized in that The determination module is further used to determine the candidate control channel transmission format set from the control channel transmission format set based on the feedback information of the communication node; wherein the feedback information includes at least one of the following: the capability of the communication node, the channel status information between the communication node and the network side node, the control channel transmission format recommended by the communication node, the power status of the communication node, the control channel transmission mode supported by the communication node, and the control channel transmission format set supported by the communication node.

29. An information processing device, characterized in that Applied to a second communication node, comprising: A receiving module, configured to receive configuration information sent by the first communication node for describing a candidate control channel transmission format set; a determination module, configured to determine the candidate control channel transmission format set according to the configuration information; a processing module, configured to send or receive a control channel according to the candidate control channel transmission format set; wherein the candidate control channel transmission format set is determined by the first communication node from a control channel transmission format set; the control channel transmission format set includes X control channel transmission formats, wherein the X control channel transmission formats include at least: 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 greater than a transmission time interval of the second control channel transmission format; the candidate control channel transmission format set includes Y control channel transmission formats, where X is an integer greater than or equal to 2; , Y is an integer; The reference signal in the first control channel transmission format and the control information in the first control channel transmission format at least support being sent using a time division method or a frequency division method; The configuration information used to describe the candidate control channel transmission format set includes at least one of the following: resources used by the control channel transmission formats contained in the candidate control channel transmission format set, content formats transmitted by the control channel transmission formats contained in the candidate control channel transmission format set, parameter information for determining 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 set of transmission modes 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, coding modes used by the control channel transmission formats contained in the candidate control channel transmission format set, and modulation modes used by the control channel transmission formats contained in the candidate control channel transmission format set.

30. The device according to claim 29, characterized in that The processing module is further used to send feedback information to the first communication node, wherein the feedback information is used by the first communication node to determine the candidate control channel transmission format set from the control channel transmission format set; wherein the feedback information includes at least one of the following: the capability of the second communication node, the channel status information between the second communication node and the first communication node, the control channel transmission format recommended by the second communication node, the power status of the second communication node, the control channel transmission mode supported by the second communication node, and the control channel transmission format set supported by the second communication node.

31. A first communication node, characterized in that: include: a processor, configured to determine a candidate control channel transport format set from a control channel transport format set; wherein the control channel transport format set includes X control channel transport formats, and the X control channel transport formats include at least 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, and the candidate control channel transport format set includes Y control channel transport formats, where X is an integer greater than or equal to 2. , Y is an integer; a radio frequency module, configured to send configuration information describing the candidate control channel transmission format set to a second communication node; The reference signal in the first control channel transmission format and the control information in the first control channel transmission format at least support being sent using a time division method or a frequency division method; The configuration information used to describe the candidate control channel transmission format set includes at least one of the following: resources used by the control channel transmission formats contained in the candidate control channel transmission format set, content formats transmitted by the control channel transmission formats contained in the candidate control channel transmission format set, parameter information for determining 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 set of transmission modes 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, coding modes used by the control channel transmission formats contained in the candidate control channel transmission format set, and modulation modes used by the control channel transmission formats contained in the candidate control channel transmission format set.

32. The first communication node according to claim 31, characterized in that The processor is also used to determine the candidate control channel transmission format set from the control channel transmission format set based on the feedback information of the communication node; wherein the feedback information includes at least one of the following: the capability of the second communication node, the channel status information between the second communication node and the first communication node, the control channel transmission format recommended by the second communication node, the power status of the second communication node, the control channel transmission mode supported by the second communication node, and the control channel transmission format set supported by the second communication node.

33. A second communication node, characterized in that: include: a processor, configured to receive configuration information sent by the first communication node for describing a candidate control channel transmission format set; and determining the candidate control channel transmission format set according to the configuration information; a radio frequency module, configured to send or receive a control channel according to the candidate control channel transmission format set; wherein the candidate control channel transmission format set is determined by the first communication node from a control channel transmission format set; the control channel transmission format set includes X control channel transmission formats, and the X control channel transmission formats include at least: 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 greater than a transmission time interval of the second control channel transmission format; the candidate control channel transmission format set includes Y control channel transmission formats, where X is an integer greater than or equal to 2. , Y is an integer; The reference signal in the first control channel transmission format and the control information in the first control channel transmission format at least support being sent using a time division method or a frequency division method; The configuration information used to describe the candidate control channel transmission format set includes at least one of the following: resources used by the control channel transmission formats contained in the candidate control channel transmission format set, content formats transmitted by the control channel transmission formats contained in the candidate control channel transmission format set, parameter information for determining 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 set of transmission modes 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, coding modes used by the control channel transmission formats contained in the candidate control channel transmission format set, and modulation modes used by the control channel transmission formats contained in the candidate control channel transmission format set.

34. The second communication node according to claim 33, characterized in that The RF module is further used to send feedback information to the first communication node, wherein the feedback information is used by the first communication node to determine the candidate control channel transmission format set from the control channel transmission format set; wherein the feedback information includes at least one of the following: the capability of the second communication node, the channel state information between the second communication node and the first communication node, the control channel transmission format recommended by the second communication node, the power status of the second communication node, the control channel transmission mode supported by the second communication node, and the control channel transmission format set supported by the second communication node.

Citation Information

Patent Citations

  • Control channel transmission and resource determination method, base station and terminal

    CN102378373A

  • Method and device for transmitting dedicated channel data

    WO2014166122A1