WO2017070955A1 - Procédé de transmission d'informations, procédé de traitement d'informations, station de base et équipement utilisateur - Google Patents

Procédé de transmission d'informations, procédé de traitement d'informations, station de base et équipement utilisateur Download PDF

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Publication number
WO2017070955A1
WO2017070955A1 PCT/CN2015/093458 CN2015093458W WO2017070955A1 WO 2017070955 A1 WO2017070955 A1 WO 2017070955A1 CN 2015093458 W CN2015093458 W CN 2015093458W WO 2017070955 A1 WO2017070955 A1 WO 2017070955A1
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WIPO (PCT)
Prior art keywords
mode
information
base station
frequency
coverage enhancement
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PCT/CN2015/093458
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English (en)
Chinese (zh)
Inventor
万蕾
余政
马莎
程型清
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华为技术有限公司
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Priority to CN201580071768.0A priority Critical patent/CN107113812B/zh
Priority to PCT/CN2015/093458 priority patent/WO2017070955A1/fr
Publication of WO2017070955A1 publication Critical patent/WO2017070955A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present invention relate to the field of communications, and in particular, to a method for transmitting information, a method for processing information, and a base station and a user equipment.
  • the Internet of Things (English name: Internet of Things, English abbreviation: IoT) refers to the acquisition of information in the physical world by deploying various devices with certain sensing, computing, execution and communication capabilities, and realizes information transmission, coordination and processing through the network. Thereby achieving a network of interconnections between people and things, things and things. In short, the Internet of Things is to achieve the interconnection of people and things, things and things. Possible applications include smart grid, smart agriculture, intelligent transportation, and environmental testing.
  • the 3rd Generation Partnership Project (English name: 3GPP) of the Mobile Communications Standardization Organization is conducting technical research and standard optimization work for the Internet of Things business. Its main research and optimization direction is cost reduction and coverage enhancement.
  • cost reduction the working bandwidth of the terminal device can be reduced.
  • limiting the working bandwidth of a terminal device to 1.4MHz (or 200KHz, or 180KHz) is an important research direction.
  • coverage enhancement it mainly provides coverage enhancement support for machine type communication (Machine Type Communication, English abbreviation: MTC), which has a large path loss such as a basement, so that the above devices in special scenarios can access the network to obtain services. .
  • Signal repetition is one of the ways to achieve coverage enhancement. Under coverage enhancement, it can bring a certain coverage extension, but it may consume more system resources.
  • the MTC/IoT user equipment refers to a low-complexity user equipment, or a low-power user equipment, or a wide coverage user equipment. Generally, these MTC/IoT user equipments support a working bandwidth smaller than that of a normal user equipment, or these MTC/IoT user equipments can also support coverage enhancement.
  • the communication between the base station and the MTC/IoT user equipment can adopt multiple modes. For example, one mode is to communicate with an MTC/IoT user equipment over the transmission bandwidth of a legitimate carrier.
  • a mode can be understood as an air interface technology of communication, or a standard of communication, or a deployment scenario of communication, or a communication system, or a resource usage mode of communication.
  • long-term evolution (English name: Long Term Evolution, English abbreviation: LTE) system
  • advanced long-term evolution (English full name: Long Term Evolution Advanced, English abbreviation: LTE-A) system, etc.
  • LTE Long Term Evolution Advanced
  • LTE-A Long Term Evolution Advanced
  • LTE-A Long Term Evolution Advanced
  • LTE-A Long Term Evolution Advanced
  • LTE-A Long Term Evolution Advanced
  • LTE-A Long Term Evolution Advanced
  • LTE-A Long Term Evolution Advanced
  • control information or data information of the MTC/IoT user equipment is transmitted in a narrow band, there is still a legitimate reference signal transmission in the narrow band, and it is still necessary to reserve a legal control area, which is still limited by the power spectral density increase.
  • the resources available to the MTC/IoT user equipment are limited, which increases the control information or data transmission time of the MTC/IoT user equipment, and accordingly increases the power consumption overhead of the MTC/IoT user equipment.
  • the embodiments of the present invention provide a method for transmitting information, a method for processing information, and a base station and a user equipment, which can reduce power consumption of the user equipment.
  • an embodiment of the present invention provides a method for transmitting information, including:
  • a characteristic parameter of the user equipment UE comprising: a channel quality of the UE and/or a type of information that the UE needs to process;
  • a mode adopted between the base station and the UE Determining, by the base station, a mode adopted between the base station and the UE according to the determined characteristic parameter, where the mode includes: an inband mode, a guard band mode, and an independent mode;
  • the mode determined by the base station is the first mode
  • the mode determined by the base station is a second mode
  • the first feature parameter and the second feature parameter are different feature parameters
  • the first mode and the second mode are different modes
  • the base station transmits information of the UE on a carrier corresponding to a mode adopted between the determined base station and the UE.
  • the method further includes:
  • the base station Determining, by the base station, that the characteristic parameter of the UE is changed from the first characteristic parameter to the second characteristic parameter, or when the second characteristic parameter is converted into the first characteristic parameter, the base station is The UE transmits frequency indication information, where
  • the frequency indication information is used to indicate that the UE processes the frequency resource of the information on the carrier corresponding to the second mode, when the feature parameter of the UE is changed from the first feature parameter to the second feature parameter. ;
  • the frequency indication information is used to indicate that the UE processes the frequency resource of the information on the carrier corresponding to the first mode, when the feature parameter of the UE is changed from the second feature parameter to the first feature parameter. .
  • the sending, by the base station, the frequency indication information to the UE includes:
  • the base station sends the frequency indication information to the UE by one or more of system information, radio resource control common signaling, radio resource control proprietary signaling, media access signaling, and physical layer signaling.
  • the frequency indication information is an absolute radio frequency channel number, and the absolute radio frequency channel a number for the UE to determine a frequency resource for handover according to the absolute radio frequency channel number; or
  • the frequency indication information is frequency offset information, and the frequency offset information is used by the UE to determine, according to a center frequency point where the synchronization channel is located or a frequency point where the current processing information of the UE is located, combined with the frequency offset information. Frequency resource for switching.
  • the method further includes:
  • the power boosting strength of the information transmitted by the base station on the carrier corresponding to the first mode is greater than the power boosting strength of the information transmitted by the base station on the carrier corresponding to the second mode, or the base station is in the first
  • the power spectral density enhancement strength of the information transmitted on the carrier corresponding to the mode is greater than the power spectral density enhancement strength of the information transmitted by the base station on the carrier corresponding to the second mode;
  • the base station transmits a reference signal on the carrier corresponding to the first mode, and the base station does not transmit a reference signal when transmitting information on the carrier corresponding to the second mode on the carrier corresponding to the second mode; and/or ,
  • a DC subcarrier is reserved in the time zone, and the base station does not reserve a DC subcarrier when transmitting information on the UE corresponding to the second mode on the carrier corresponding to the second mode.
  • the first feature parameter is a first coverage enhancement level or a first coverage enhancement mode
  • the second feature parameter is a second coverage enhancement level or a second coverage enhancement mode
  • the first characteristic parameter is a first information type
  • the second characteristic parameter is a second information type
  • the first feature parameter is a first coverage enhancement level and a first information type
  • the second feature parameter is a second coverage enhancement level and a second information type
  • the first coverage enhancement level and the second coverage enhancement level are different coverage enhancement levels; the first coverage enhancement mode and the second coverage enhancement mode are different coverage enhancement modes;
  • the information type is a public message and the second information type is proprietary information.
  • the first mode is the guard band mode or the independent mode
  • the second mode is the in-band mode
  • the seventh aspect in the first aspect Possible implementations in combination with the first aspect or the first possible second or first possible or the fourth possible or the fifth possible or the sixth possible possible implementation of the first aspect, the seventh aspect in the first aspect Possible implementations,
  • the channel quality is used to indicate one of coverage enhancement level, repetition level, reference signal reception power level, path loss level, resource level, coverage enhancement mode, power level, and signal transmission bandwidth level adopted by the UE. Kind or more.
  • the embodiment of the present invention further provides a method for processing information, including:
  • a characteristic parameter of the UE comprising: a channel quality of the UE and/or a type of information that the UE needs to process;
  • a mode adopted between the base station and the UE according to the determined feature parameter includes: an in-band mode, a guard band mode, and an independent mode
  • the mode determined by the UE is the first mode
  • the determined feature parameter of the UE is the second characteristic parameter
  • the determined by the UE The mode is a second mode
  • the first feature parameter and the second feature parameter are different feature parameters
  • the first mode and the second mode are different modes
  • the UE processes information of the UE on a carrier corresponding to a mode adopted between the determined base station and the UE.
  • the method further includes:
  • the UE determines, according to the frequency indication information, that the UE processes information on a carrier corresponding to the second mode.
  • the receiving, by the UE, the frequency indication information sent by the base station includes:
  • the frequency indication information sent by the base station by one or more of system information, radio resource control common signaling, radio resource control proprietary signaling, media access signaling, and physical layer signaling .
  • the method further includes:
  • the frequency indication information is an absolute radio frequency channel number, and the UE determines the switched frequency resource according to the absolute radio frequency channel number; or
  • the frequency indication information is frequency offset information, and the UE determines the frequency resource of the handover according to the center frequency point where the synchronization channel is located or the frequency point where the current processing information of the UE is located, and the frequency indication information.
  • the method further includes:
  • the power boosting strength of the processing information of the UE on the carrier corresponding to the first mode is greater than the power boosting strength of the processing information of the UE on the carrier corresponding to the second mode, or the UE is in the first
  • the power spectral density enhancement strength of the processing information on the carrier corresponding to the mode is greater than the power spectral density enhancement strength of the processing information of the UE on the carrier corresponding to the second mode;
  • the UE processes information from a first symbol in a subframe of processing information on a carrier corresponding to the first mode; and/or,
  • the UE processes a reference signal when processing information on the carrier corresponding to the first mode, and the UE does not process the reference signal when processing information on the carrier corresponding to the second mode; and/or,
  • the UE reserves a DC subcarrier when processing information on the carrier corresponding to the first mode, and the UE does not reserve a DC subcarrier when processing information on the carrier corresponding to the second mode.
  • the first The feature parameter is a first coverage enhancement level or a first coverage enhancement mode
  • the second feature parameter is a second coverage enhancement level or a second coverage enhancement mode
  • the first characteristic parameter is a first information type
  • the second characteristic parameter is a second information type
  • the first feature parameter is a first coverage enhancement level and a first information type
  • the second feature parameter is a second coverage enhancement level and a second information type
  • the first coverage enhancement level and the second coverage enhancement level are different coverage enhancement levels; the first coverage enhancement mode and the second coverage enhancement mode are different coverage enhancement modes;
  • the information type is a public message and the second information type is proprietary information.
  • the first mode is the guard band mode or the independent mode
  • the second mode is the in-band mode
  • the seventh aspect in the second aspect Possible implementations in combination with the second aspect or the first possible second or second possible or the fourth possible or the fifth possible or the sixth possible possible implementation of the second aspect, the seventh aspect in the second aspect Possible implementations,
  • the channel quality is used to indicate one of coverage enhancement level, repetition level, reference signal reception power level, path loss level, resource level, coverage enhancement mode, power level, and signal transmission bandwidth level adopted by the UE. Kind or more.
  • an embodiment of the present invention further provides a base station, including:
  • a feature parameter determining module configured to determine a feature parameter of the user equipment UE, where the feature parameter includes: a channel quality of the UE and/or a type of information that the UE needs to process;
  • a mode determining module configured to determine a mode adopted between the base station and the UE according to the determined feature parameter, where the mode includes: an in-band mode, a guard band mode, and an independent mode;
  • the characteristic parameter of the UE is a first characteristic parameter, and the mode determined by the base station is a first mode; when the determined characteristic parameter of the UE is a second characteristic parameter, the mode determined by the base station is a second mode;
  • the first feature parameter and the second feature parameter are different feature parameters, and the first mode and the second mode are different modes;
  • an information transmission module configured to transmit information about the UE on a carrier corresponding to a mode adopted between the determined base station and the UE.
  • the base station further includes: a sending module, configured to determine, that the characteristic parameter of the UE is changed from the first characteristic parameter to the second Transmitting the frequency indication information to the UE, or converting the second characteristic parameter to the first characteristic parameter, where
  • the frequency indication information is used to indicate that the UE processes the frequency resource of the information on the carrier corresponding to the second mode, when the feature parameter of the UE is changed from the first feature parameter to the second feature parameter. ;
  • the frequency indication information is used to indicate that the UE processes the frequency resource of the information on the carrier corresponding to the first mode, when the feature parameter of the UE is changed from the second feature parameter to the first feature parameter. .
  • the sending module is specifically used to control public signaling and radio resource control through system information, radio resources, One or more of signaling, media access signaling, and physical layer signaling are sent to the UE for the frequency indication information.
  • the frequency indication information is an absolute radio frequency channel number, the absolute radio frequency channel a number for the UE to determine a frequency resource for handover according to the absolute radio frequency channel number;
  • the frequency indication information is frequency offset information, and the frequency offset information is used by the UE to determine, according to a center frequency point where the synchronization channel is located or a frequency point where the current processing information of the UE is located, combined with the frequency offset information. Frequency resource for switching.
  • the base station further includes: a configuration module, where a power boosting strength of the information transmitted on the carrier corresponding to the first mode is greater than that of the base station The power boosting strength of the information transmitted on the carrier corresponding to the second mode, or the power spectral density enhancement strength of the information transmitted on the carrier corresponding to the first mode is greater than the base station transmitting on the carrier corresponding to the second mode The power spectral density of the information increases the strength; and/or, transmitting information from the first symbol within the subframe in which the information is transmitted on the carrier corresponding to the first mode; and/or corresponding to the first mode
  • the reference signal is transmitted on the carrier, and the reference signal is not transmitted when the information is transmitted by the UE in the second mode on the carrier corresponding to the second mode; and/or is used on the carrier corresponding to the first mode.
  • the DC subcarrier is reserved
  • the first feature parameter is a first coverage enhancement level or a first coverage enhancement mode
  • the second feature parameter is a second coverage enhancement level or a second coverage enhancement mode
  • the first characteristic parameter is a first information type
  • the second characteristic parameter is a second information type
  • the first feature parameter is a first coverage enhancement level and a first information type
  • the second feature parameter is a second coverage enhancement level and a second information type
  • the first coverage enhancement level and the second coverage enhancement level are different coverage enhancement levels; the first coverage enhancement mode and the second coverage enhancement mode are different coverage enhancement modes;
  • the information type is a public message and the second information type is proprietary information.
  • the first mode is the guard band mode or the independent mode
  • the second mode is the in-band mode
  • the seventh aspect in the third aspect Possible implementations in combination with the third aspect or the first possible second or third possible aspect or the third possible or the fourth possible or the sixth possible possible implementation of the third aspect, the seventh aspect in the third aspect Possible implementations,
  • the channel quality is used to indicate a coverage enhancement level, a repetition level, a reference signal reception power level, a path loss level, a resource level, a coverage enhancement mode, a power, and the like adopted by the UE.
  • a coverage enhancement level a repetition level
  • a reference signal reception power level a path loss level
  • a resource level a coverage enhancement mode
  • a power, and the like adopted by the UE.
  • the embodiment of the present invention provides a user equipment UE, including:
  • a feature parameter determining module configured to determine a feature parameter of the UE, where the feature parameter includes: a channel quality of the UE and/or a type of information that the UE needs to process;
  • a mode determining module configured to determine a mode adopted between the base station and the UE according to the determined feature parameter, where the mode includes: an in-band mode, a guard band mode, and an independent mode;
  • the characteristic parameter of the UE is the first characteristic parameter, and the mode determined by the UE is the first mode; when the determined feature parameter of the UE is the second characteristic parameter, the mode determined by the UE is the second mode;
  • the first feature parameter and the second feature parameter are different feature parameters, and the first mode and the second mode are different modes;
  • An information processing module configured to process information about the UE on a carrier corresponding to a mode adopted between the determined base station and the UE.
  • the user equipment further includes: a receiving module and a frequency resource determining module, where
  • the receiving module is configured to receive frequency indication information sent by the base station, where
  • the frequency resource determining module is configured to: when the feature parameter of the UE is changed from the first feature parameter to the second feature parameter, determine, according to the frequency indication information, that the UE corresponds to the second mode The frequency resource of the information processed on the carrier; when the characteristic parameter of the UE is converted from the second characteristic parameter to the first characteristic parameter, determining, according to the frequency indication information, that the UE corresponds to the first mode The frequency resource on which the information is processed on the carrier.
  • the receiving module is specifically used to control public signaling and radio resource control through system information, radio resources
  • One or more of signaling, media access signaling, and physical layer signaling receive the frequency indication information sent by the base station.
  • the frequency resource determining module is specifically configured to use the frequency indication information as an absolute radio And determining, by the frequency channel number, the switched frequency resource according to the absolute radio frequency channel number; or the frequency indication information is frequency offset information, according to a center frequency point where the synchronization channel is located or a frequency point where the current processing information of the UE is located And determining the frequency resource of the handover by combining the frequency indication information.
  • the user equipment further includes: a configuration module, where a power boosting strength of the processing information on the carrier corresponding to the first mode is greater than that of the UE The power boosting strength of the processing information on the carrier corresponding to the second mode, or the power spectral density enhancement strength of the processing information on the carrier corresponding to the first mode is greater than the carrier corresponding to the UE in the second mode.
  • the reference signal is processed when the information is processed on the carrier, and the reference signal is not processed when the information is processed on the carrier corresponding to the second mode; and/or, the DC sub is reserved when processing the information on the carrier corresponding to the first mode
  • the carrier does not reserve a DC subcarrier when processing information on the carrier corresponding to the second mode.
  • the first feature parameter is a first coverage enhancement level or a first coverage enhancement mode
  • the second feature parameter is a second coverage enhancement level or a second coverage enhancement mode
  • the first characteristic parameter is a first information type
  • the second characteristic parameter is a second information type
  • the first feature parameter is a first coverage enhancement level and a first information type
  • the second feature parameter is a second coverage enhancement level and a second information type
  • the first coverage enhancement level and the second coverage enhancement level are different coverage enhancement levels; the first coverage enhancement mode and the second coverage enhancement mode are different coverage enhancement modes;
  • the information type is a public message and the second information type is proprietary information.
  • the first mode is the guard band mode or the independent mode
  • the second mode is the in-band mode
  • the channel quality is used to indicate a coverage enhancement level, a repetition level, a reference signal reception power level, a path loss level, a resource level, a coverage enhancement mode, a power, and the like adopted by the UE.
  • a coverage enhancement level a repetition level
  • a reference signal reception power level a path loss level
  • a resource level a coverage enhancement mode
  • a power, and the like adopted by the UE.
  • the base station may determine, according to the characteristic parameter of the UE, a mode that can be adopted between the base station and the UE, and perform information transmission between the base station and the UE on the carrier corresponding to the mode used by the base station and the UE.
  • the method for transmitting information provided by the embodiment of the present invention may implement a mode according to channel quality or information type, so that a determined mode is used for communication between the base station and the user equipment, thereby improving system design flexibility, thereby optimizing resource allocation and reducing The power consumption of the user equipment.
  • FIG. 1 is a system architecture diagram of a method for transmitting information and a method for processing information according to the present invention applied to a communication system;
  • FIG. 2 is a schematic structural diagram of a method for transmitting information according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of an in-band mode or a shared mode transmission between a base station and a user equipment according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a transmission between a base station and a user equipment by using a guard band mode according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a transmission between a base station and a user equipment in an independent mode according to an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of a method for processing information according to an embodiment of the present disclosure
  • FIG. 5-a is a schematic structural diagram of a communication system according to an embodiment of the present invention.
  • FIG. 5-b is a schematic diagram of an implementation manner in which multiple UEs determine different modes according to an embodiment of the present invention
  • FIG. 5-c is a schematic diagram of an implementation manner of transmitting a reference signal in a protection band mode according to an embodiment of the present invention.
  • FIG. 5-d is a schematic diagram of an implementation manner of frequency offset in different modes according to an embodiment of the present disclosure.
  • FIG. 5-e is a schematic diagram of an implementation manner of a narrowband configuration according to an embodiment of the present invention.
  • FIG. 5-f is a schematic diagram of an implementation manner of a reserved DC subcarrier according to an embodiment of the present disclosure.
  • FIG. 5-g is a schematic diagram of an implementation manner of narrowband tuning according to an embodiment of the present invention.
  • 6-a is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • 6-b is a schematic structural diagram of another base station according to an embodiment of the present invention.
  • FIG. 6-c is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a UE according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of another UE according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of another UE according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of another UE according to an embodiment of the present invention.
  • the embodiments of the present invention provide a method for transmitting information, a method for processing information, and a base station and a user equipment, which can reduce power consumption of the user equipment.
  • the present invention is mainly applied to an LTE system or an advanced LTE-Advanced (LTE-Advanced) system.
  • LTE-Advanced LTE-Advanced
  • the present invention can also be applied to other communication systems, for example, Wideband Code Division Multiple Access (WCDMA), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA), and the like.
  • WCDMA Wideband Code Division Multiple Access
  • TD-SCDMA Time Division-Synchronous Code Division Multiple Access
  • other entities in the communication system can receive the information.
  • the transmission may be transmission or reception. If the transmission of the one side device is the transmission, the processing of the other side communication device corresponding to the side device is the receiving; if the transmission of the one side device is the receiving, the processing of the other side communication device corresponding to the side device is the sending; vice versa.
  • the coverage enhancement in the embodiment of the present invention may be repeated transmission, spread spectrum transmission, retransmission, bundle time interval transmission, narrowband (such as subcarrier scheduling) transmission, and ultra narrowband (such as bandwidth of several tens of hertz to ten thousand kilohertz).
  • narrowband such as subcarrier scheduling
  • ultra narrowband such as bandwidth of several tens of hertz to ten thousand kilohertz
  • a low-cost terminal or a low-complexity terminal means that the working bandwidth of the terminal device is smaller than the working bandwidth of the non-low-cost terminal or the non-low-complexity terminal.
  • the working bandwidth may be one or more of processing bandwidth, radio frequency processing bandwidth, and baseband processing bandwidth.
  • the operating bandwidth is 1.4 MHz (or 200 KHz, or 180 KHz).
  • the working bandwidth is a frequency resource with a specific frequency width.
  • the working bandwidth may be composed of one or more subcarriers (eg, a subcarrier size of 15 Khz, or 2.5 KHz, or 3.75 KHz), or may be composed of one or more resource blocks.
  • FIG. 1 is a system architecture diagram of a method for transmitting information and information processing method of the present invention applied in a communication system, as shown in FIG. 1 , a base station (English name Base station) and a user equipment (UE, User).
  • Equipment 1 to UE6 constitute a communication system, in which the base station transmits one or more of system information, RAR message and paging message to one or more UEs of UE1 to UE6, and the base station is the present invention.
  • the transmitting end device in the information transmission method, UE1 to UE6 are the receiving end devices in the information transmitting method of the present invention.
  • UE4 to UE6 also form a communication system, in which UE5 can be implemented as a function of a base station, and UE5 can send one or more of system information, RAR message and paging message to UE4 and UE6.
  • UE5 can be implemented as a function of a base station, and UE5 can send one or more of system information, RAR message and paging message to UE4 and UE6.
  • UE4 to UE6 also form a communication system, in which UE5 can be implemented as a function of a base station, and UE5 can send one or more of system information, RAR message and paging message to UE4 and UE6.
  • UE5 can be implemented as a function of a base station, and UE5 can send one or more of system information, RAR message and paging message to UE4 and UE6.
  • RAR message Radio Access
  • paging message paging message
  • An embodiment of the method for transmitting information of the present invention is applicable to a scenario in which a base station sends information to a UE on a carrier or a frequency resource.
  • the method for transmitting the information may include the following steps:
  • the base station determines a feature parameter of the UE, where the feature parameter includes: a channel quality of the UE and/or a type of information that the UE needs to process.
  • the base station serves the UE
  • the UE may be an MTC/IoT user equipment, that is, a low complexity user equipment, or a low power consumption user equipment, or a wide coverage user equipment.
  • MTC/IoT user equipments support a working bandwidth smaller than that of a normal user equipment, or these MTC/IoT user equipments can also support coverage enhancement.
  • the base station may determine the characteristic parameter of the UE according to a pre-rule, or the base station determines the characteristic parameter of the UE by itself, and indicates the characteristic parameter of the UE by signaling. For example, before the RRC connection is established, the base station determines the characteristic parameters of the UE according to the pre-rules. After the RRC connection is established, the base station determines the characteristic parameters of the UE and indicates the characteristic parameters of the UE by signaling.
  • the channel quality is used to indicate the level of coverage enhancement adopted by the UE, the level of repetition, the level of reference signal received power, the level of path loss, the resource level, the coverage enhancement mode, the power level, and the signal transmission.
  • the base station first determines the characteristic parameters of the UE.
  • the characteristic parameter of the UE specifically refers to the channel quality of the UE, or the characteristic parameter of the UE refers to the type of information processed by the UE, or the characteristic parameter of the UE refers to the channel quality of the UE and the type of information processed by the UE.
  • the channel quality is used to indicate one of a coverage enhancement level, a repetition level, a reference signal reception power level, a path loss level, a resource level, an coverage enhancement mode, a power level, and a signal transmission bandwidth level adopted by the UE. Two or three or all.
  • the channel quality may reflect one or more of the coverage enhancement level, the repetition level, the reference signal received power level, the path loss level, the resource level, the coverage enhancement mode, the power level, and the signal transmission bandwidth level adopted by the UE.
  • the channel quality may reflect one or more of the coverage enhancement level, the repetition level, the reference signal received power level, the path loss level, the resource level, the coverage enhancement mode, the power level, and the signal transmission bandwidth level adopted by the UE.
  • the base station may determine the feature parameters of one UE, and may also determine the feature parameters of multiple UEs, which is not limited herein.
  • the base station determines, according to the determined characteristic parameter, a mode adopted between the base station and the UE, where the modes include: an inband mode, a guard band mode, and an independent mode.
  • the mode determined by the base station is the first mode
  • the mode determined by the base station is the second mode
  • the first The feature parameter and the second feature parameter are different feature parameters
  • the first mode and the second mode are different modes.
  • the mode comprises at least one of the following modes: in-band mode, guard band mode, independent mode.
  • the legal mode is the air interface standard of the LTE
  • the operation of communicating with other MTC/IOT user equipments on the transmission bandwidth of the legal carrier Referred to as in-band (English name: inband) mode or shared mode.
  • in-band mode or shared mode As shown in FIG. 3-a, a schematic diagram of an in-band mode or a shared mode transmission between a base station and a user equipment according to an embodiment of the present invention is performed on one or more resource blocks in the transmission bandwidth and the MTC/IOT. User equipment communicates.
  • another mode is to communicate with the MTC/IOT user equipment over the protected bandwidth of the legitimate carrier.
  • the legal (also referred to as normal) UE is used for communication on the transmission bandwidth of the legal carrier, and the MTC/IOT user equipment is communicated on the protection bandwidth of the legal carrier.
  • the operation of communicating with the MTC/IOT user equipment on the protection bandwidth of the legal carrier is simply referred to as the guard band mode.
  • FIG. 3-b a transmission diagram of a protection band mode between a base station and a user equipment according to an embodiment of the present invention is provided.
  • another mode is to communicate with a normal UE on a legal carrier, and other frequency resources outside the legal carrier (such as other frequency resources are: a frequency resource of an unlawful carrier, or a frequency resource of an unlicensed spectrum, or
  • the MTC/IOT user equipment communicates with the non-system-defined standard bandwidth frequency resource.
  • the operation of communicating with the MTC/IOT user equipment on other frequency resources is simply referred to as an independent mode.
  • FIG. 3-c a schematic diagram of a transmission between a base station and a user equipment in an independent mode according to an embodiment of the present invention is provided.
  • the mode types included in the mode may be of different types, and may be flexibly set in combination with an application scenario.
  • the in-band mode or shared mode and guard band mode in the mode can be reduced to the first type mode, and the independent mode in the mode is reduced to the second type mode.
  • the first type of mode may be referred to as an in-band mode
  • the second type of mode may be referred to as an out-of-band (English name: outband) mode.
  • the aforementioned first type of mode may also be referred to as a continuous mode
  • the aforementioned second type of mode may be referred to as a discontinuous mode.
  • the definition implementation of the multiple mode types included in the mode does not affect the specific implementation of the mode between the base station and the UE determined by the base station in the embodiment of the present invention.
  • the in-band mode and the guard band mode may be attributed to one type of mode, and the independent mode may be classified into another type of mode, which may be called inband or outband mode, respectively, or respectively called continuous or discontinuous mode, and other similar names are called
  • the essence of the embodiments of the invention is not affected. Therefore, when the base station and the user equipment communicate, the information transmission of the base station and the user equipment may adopt different modes (two types or three types or more modes).
  • the channel structure, signal structure, frame structure, transmission method, and information content corresponding to different modes may be different.
  • the characteristic parameters of the UE determined by the base station may be of various types, for example, the first characteristic parameter or the second characteristic parameter, and not limited, more types of features may be included.
  • the parameters are as long as there are at least two different characteristic parameters.
  • the base station may determine a specific mode according to the specific feature parameters of the UE.
  • the mode may include: an in-band mode, a guard band mode, and an independent mode.
  • the mode that the base station can determine for the UE is an in-band mode, or
  • the guard band mode may also be an independent mode, depending on the feature parameters of the UE determined by the base station in step 201.
  • the base station transmits information about the UE on a carrier corresponding to the mode adopted between the determined base station and the UE.
  • the base station can determine which carrier should be used to transmit the information of the UE by using different carriers corresponding to different modes.
  • the transmission here may refer to that the base station sends information to the UE, and may also refer to that the base station receives the information sent by the UE, and the specific transmission manner is not limited.
  • the base station determines that the mode adopted between the base station and the UE is the first mode, the first mode corresponds to the corresponding carrier, and the base station can use the carrier corresponding to the first mode to transmit the information of the UE.
  • the base station determines the mode second mode adopted between the base station and the UE in step 202, the second mode also corresponds to the corresponding carrier, and the base station can use the carrier corresponding to the second mode to transmit the information of the UE.
  • the method for transmitting information provided by the present invention further includes the following steps:
  • the base station determines that the characteristic parameter of the UE is changed from the first characteristic parameter to the second characteristic parameter, or the base station sends the frequency indication information to the UE, where
  • the frequency indication information is used to indicate that the UE processes the frequency resource of the information on the carrier corresponding to the second mode
  • the frequency indication information is used to indicate that the UE processes the frequency resource of the information on the carrier corresponding to the first mode.
  • the base station After the base station determines the characteristic parameter of the UE, if the feature parameter of the UE is changed, the base station needs to indicate to the UE the frequency resource corresponding to the transformed feature parameter. For example, the characteristic parameter of the UE is converted from the first characteristic parameter to the second characteristic parameter. It can be known from the foregoing that after the transformation, the second characteristic parameter is determined, and the second characteristic parameter can determine the mode as the second mode, so the base station can indicate The UE uses the frequency resource corresponding to the second mode.
  • the characteristic parameter of the UE is converted from the second characteristic parameter to the first characteristic parameter, and then the first characteristic parameter is transformed, and the mode in which the first characteristic parameter can be determined is the first mode, so the base station can instruct the UE to use the first A frequency resource corresponding to a mode.
  • the step A1 the base station sends the frequency indication information to the UE, including:
  • the base station controls the public signal through the system information, the radio resource control common signaling, and the radio resource control One or more of the media access signaling, the physical layer signaling, and the frequency indication information are sent to the UE.
  • the base station can notify the UE of the frequency indication information in multiple manners, where the possible manner is that the base station controls the common signaling, the radio resource control proprietary signaling, the media access signaling, and the physical through the system information, the radio resource control common signaling, the radio resource control.
  • the base station controls the common signaling, the radio resource control proprietary signaling, the media access signaling, and the physical through the system information, the radio resource control common signaling, the radio resource control.
  • One or more of layer signaling One or more of layer signaling. Specific configurations of system information, radio resource control common signaling, radio resource control proprietary signaling, media access signaling, and physical layer signaling may refer to specific protocol standards.
  • the frequency indication information may be implemented in various manners, for example, the frequency indication information may be an absolute radio frequency channel number or frequency offset information.
  • the frequency indication information may be an absolute radio frequency channel number, where the absolute radio frequency channel number is used by the UE to determine the switched frequency resource according to the absolute radio frequency channel number; or the frequency indication information is frequency offset information, and frequency offset information.
  • the UE determines, according to the center frequency point where the synchronization channel is located or the frequency point where the current processing information of the UE is located, and determines the frequency resource of the handover according to the frequency offset information.
  • the UE determines the frequency resource of the UE handover according to the absolute radio frequency channel number.
  • the UE may determine the frequency resource of the UE handover according to the frequency offset.
  • the implementation may be as follows.
  • the method for transmitting information provided by the present invention further includes the following steps:
  • the power boosting strength of the information transmitted by the base station on the carrier corresponding to the first mode is greater than the power boosting strength of the information transmitted by the base station on the carrier corresponding to the second mode, or the power spectrum of the information transmitted by the base station on the carrier corresponding to the first mode.
  • the density enhancement strength is greater than the power spectral density enhancement strength of the information transmitted by the base station on the carrier corresponding to the second mode; and/or,
  • the base station transmits information from the first symbol in the subframe in which the information is transmitted on the carrier corresponding to the first mode; and/or,
  • the base station transmits the reference signal on the carrier corresponding to the first mode, and the base station does not transmit the reference signal when transmitting the information by using the UE in the second mode on the carrier corresponding to the second mode; and/or,
  • the base station reserves a DC subcarrier when transmitting information on the carrier corresponding to the first mode on the carrier corresponding to the first mode, and the base station does not reserve the UE in the second mode when transmitting information on the carrier corresponding to the second mode.
  • DC subcarrier when transmitting information on the carrier corresponding to the first mode on the carrier corresponding to the first mode, and the base station does not reserve the UE in the second mode when transmitting information on the carrier corresponding to the second mode.
  • the base station configures different power boosting strengths for different modes, and the base station may also configure different power spectral density boosting strengths for different modes, so that the base station determines When different modes are adopted between the base station and the UE, the base station uses different power boosting strengths to transmit information of the UE. When the base station determines that different modes are adopted between the base station and the UE, the base station uses different power spectral density enhancement strengths. Transmitting information of the UE.
  • the base station can configure different subframes for different modes. For example, the first symbol in the subframe on the carrier corresponding to the first mode starts to transmit information, so that the information transmission efficiency can be improved.
  • step B3 the base station can configure whether to transmit the reference signal for different modes, so that the reference signal is not transmitted in the second mode.
  • step B4 it is possible to configure whether to reserve DC subcarriers for different modes.
  • the first feature parameter is a first coverage enhancement level or a first coverage enhancement mode
  • the second feature parameter is a second coverage enhancement level or a second coverage enhancement mode
  • the first characteristic parameter is a first information type
  • the second characteristic parameter is a second information type
  • the first feature parameter is a first coverage enhancement level and a first information type
  • the second feature parameter is a second coverage enhancement level and a second information type
  • the first coverage enhancement level and the second coverage enhancement level are different coverage enhancement levels; the first coverage enhancement mode and the second coverage enhancement mode are different coverage enhancement modes; the first information type is a public message, and the second information type is It is proprietary information.
  • the difference of the feature parameters can be realized by different types of information that the UE needs to process, and the difference of the feature parameters can also be realized by different coverage enhancement levels, and the difference of the feature parameters can also be realized by different coverage enhancement modes. .
  • the first mode is a guard band mode or an independent mode
  • the second mode is an in-band mode
  • the modes specifically adopted by the first mode and the second mode may also be other modes, for example, the first mode may also be an in-band mode, and the second mode may also be a guard band mode.
  • the first mode may also be an in-band mode
  • the second mode may also be an independent mode, which is not limited herein.
  • the base station may determine, according to the characteristic parameter of the UE, a mode that can be adopted between the base station and the UE, and the base station and the UE on the carrier corresponding to the mode adopted by the base station and the UE. Information transfer between.
  • the method for transmitting information provided by the embodiment of the present invention may implement a mode according to channel quality or information type, so that a determined mode is used for communication between the base station and the user equipment, thereby improving system design flexibility, thereby optimizing resource allocation and reducing The power consumption of the user equipment.
  • the method for transmitting information provided by the embodiment of the present invention is described from the base station side, and then the method for processing the information provided by the embodiment of the present invention is described from the UE side, and an embodiment of the method for processing information of the present invention is applicable.
  • the method for processing the information may include the following steps:
  • the UE determines a feature parameter of the UE, where the feature parameter includes: a channel quality of the UE and/or a type of information that the UE needs to process.
  • the base station serves the UE
  • the UE may be an MTC/IoT user equipment, that is, a low complexity user equipment, or a low power consumption user equipment, or a wide coverage user equipment.
  • MTC/IoT user equipments support a working bandwidth smaller than that of a normal user equipment, or these MTC/IoT user equipments can also support coverage enhancement.
  • the UE may determine the characteristic parameter of the UE according to the pre-rule, or the UE receives the signaling of the base station, where the characteristic parameter of the UE is indicated. For example, before the RRC connection is established, the UE determines the feature parameters of the UE according to the pre-rule. After the RRC connection is established, the UE receives the signaling of the base station, and determines the characteristic parameter of the UE according to the received signaling.
  • the channel quality is used to indicate the level of coverage enhancement adopted by the UE, the level of repetition, the level of reference signal received power, the level of path loss, the resource level, the coverage enhancement mode, the power level, and the signal transmission.
  • the base station first determines the characteristic parameter of the UE, and the characteristic parameter of the UE specifically refers to the channel quality of the UE, or the characteristic parameter of the UE refers to the type of information processed by the UE, or the characteristic parameter of the UE refers to the channel quality of the UE and the UE. The type of information processed.
  • the channel quality is used to indicate one of a coverage enhancement level, a repetition level, a reference signal reception power level, a path loss level, a resource level, an coverage enhancement mode, a power level, and a signal transmission bandwidth level adopted by the UE.
  • the channel quality may reflect the level of coverage enhancement adopted by the UE, the level of repetition, the level of reference signal received power, the level of path loss, the resource level, the coverage enhancement mode, the power level, and the signal transmission.
  • One or more of the bandwidth levels may be used to indicate one of a coverage enhancement level, a repetition level, a reference signal reception power level, a path loss level, a resource level, an coverage enhancement mode, a power level, and a signal transmission bandwidth level adopted by the UE.
  • the base station may determine the feature parameters of one UE, and may also determine the feature parameters of multiple UEs, which is not limited herein.
  • the UE determines, according to the determined characteristic parameter, a mode adopted between the base station and the UE, where the mode includes: an inband mode, a guard band mode, and an independent mode.
  • the mode determined by the UE is the first a mode
  • the mode determined by the UE is the second mode
  • the first feature parameter and the second feature parameter are different feature parameters
  • the first mode and the second mode are different Mode.
  • the specific implementation manner of the mode such as the inband mode, the guard band mode, and the independent mode, may be referred to in the foregoing embodiment, for example, as shown in FIG. 3-a, FIG. 3-b, and FIG. 3-c. I won't go into details here.
  • the feature parameters of the UE that are determined by the UE may be of various types, for example, the first feature parameter or the second feature parameter, and not limited, more types of features may be included.
  • the UE may determine a specific mode according to the specific feature parameters of the UE, as long as the presence of at least two different feature parameters is satisfied.
  • the mode may include: an in-band mode, a guard band mode, and an independent mode.
  • the mode that the UE may determine for the UE is an in-band mode, and may also be a guard band mode or an independent mode, depending on the feature parameter of the UE determined by the UE in step 401.
  • the UE processes information about the UE on a carrier corresponding to the mode adopted between the determined base station and the UE.
  • step 402 it can be known from step 402 that after the UE determines the mode adopted between the base station and the UE, the UE can determine which carrier should be used to process the information of the UE by using different carriers corresponding to different modes.
  • the processing herein may refer to the information that the UE receives from the base station, and may also refer to the information that the UE sends to the base station, and the specific processing manner is not limited.
  • step 402 if the UE determines that the mode adopted between the base station and the UE is the first mode, the first mode corresponds to the corresponding carrier, and the UE may use the carrier corresponding to the first mode to process the information of the UE.
  • the UE determines the mode second mode adopted between the base station and the UE, and the second mode also corresponds to the corresponding carrier, and the UE may use the carrier corresponding to the second mode to process the information of the UE.
  • the method for processing information provided by the present invention further includes the following steps:
  • the UE receives the frequency indication information sent by the base station, where
  • the UE determines, according to the frequency indication information, the frequency resource of the UE processing information on the carrier corresponding to the second mode;
  • the UE determines, according to the frequency indication information, the frequency resource of the UE processing information on the carrier corresponding to the first mode.
  • the UE may determine the frequency resource corresponding to the transformed feature parameter from the frequency indication information sent by the base station. For example, the characteristic parameter of the UE is transformed from the first characteristic parameter to the second characteristic parameter. It can be known from the foregoing that after the transformation, the second characteristic parameter is determined, and the second characteristic parameter can determine the mode as the second mode, so the UE can determine The frequency resource corresponding to the second mode is used. For another example, the characteristic parameter of the UE is converted from the second characteristic parameter to the first characteristic parameter, and then the first characteristic parameter is transformed, and the mode in which the first characteristic parameter can be determined is the first mode, so the UE can determine to use the first mode. The frequency resource corresponding to the mode.
  • the step C1 UE receives the frequency indication information sent by the base station, including:
  • the UE receives the frequency indication information sent by the base station by using one or more of system information, radio resource control common signaling, radio resource control proprietary signaling, media access signaling, and physical layer signaling.
  • the UE may receive the frequency indication information sent by the base station in multiple manners, where the possible manner is that the UE passes the system information, the radio resource control common signaling, the radio resource control proprietary signaling, the media access signaling, One or more of physical layer signaling to receive frequency indication information.
  • Specific configurations of system information, radio resource control common signaling, radio resource control proprietary signaling, media access signaling, and physical layer signaling may refer to specific protocol standards.
  • the frequency indication information may be implemented in various manners, for example, the frequency indication information may be an absolute radio frequency channel number or frequency offset information.
  • the method for processing information provided by the embodiment of the present invention may further include the following steps:
  • the frequency indication information is an absolute radio frequency channel number
  • the UE determines the frequency resource of the handover according to the absolute radio frequency channel number
  • the frequency indication information is frequency offset information, and the UE determines the frequency resource of the handover according to the center frequency point where the synchronization channel is located or the frequency point where the current processing information of the UE is located, and the frequency indication information.
  • the UE determines the frequency resource of the UE handover according to the absolute radio frequency channel number.
  • the UE may determine the frequency resource of the UE handover according to the frequency offset.
  • the implementation may be as follows.
  • the method for processing information provided by the present invention further includes the following steps:
  • the power boosting strength of the UE processing information on the carrier corresponding to the first mode is greater than that of the UE.
  • the power boosting strength of the processing information on the carrier corresponding to the second mode, or the power spectral density enhancement strength of the processing information of the UE on the carrier corresponding to the first mode is greater than the power spectral density enhancement strength of the processing information of the UE on the carrier corresponding to the second mode. ;and / or,
  • E2 The UE processes information from the first symbol in the subframe of the processing information on the carrier corresponding to the first mode; and/or,
  • the UE processes the reference signal when processing the information on the carrier corresponding to the first mode, and the UE does not process the reference signal when processing the information on the carrier corresponding to the second mode; and/or,
  • E4 The UE reserves the DC subcarrier when processing the information on the carrier corresponding to the first mode, and the UE does not reserve the DC subcarrier when processing the information on the carrier corresponding to the second mode.
  • the UE configures different power boosting strengths for different modes, and the UE may also determine to use different power spectral density boosting strengths for different modes, so that when the UE determines that different modes are adopted between the base station and the UE, The UE uses different power boosting strengths to process the information of the UE.
  • the UE uses different power spectral density enhancement strengths to process the UE information.
  • the UE may configure different subframes for different modes. For example, the first symbol in the subframe on the carrier corresponding to the first mode starts to transmit information, so that the information transmission efficiency can be improved.
  • step E3 the UE may configure whether to transmit a reference signal for different modes, so that the reference signal is not transmitted in the second mode.
  • step E4 whether DC subcarriers are reserved for different modes can be configured.
  • the first feature parameter is a first coverage enhancement level or a first coverage enhancement mode
  • the second feature parameter is a second coverage enhancement level or a second coverage enhancement mode
  • the first characteristic parameter is a first information type
  • the second characteristic parameter is a second information type
  • the first feature parameter is a first coverage enhancement level and a first information type
  • the second feature parameter is a second coverage enhancement level and a second information type
  • the first coverage enhancement level and the second coverage enhancement level are different coverage enhancement levels; the first coverage enhancement mode and the second coverage enhancement mode are different coverage enhancement modes; the first information type is a public message, and the second information type is It is proprietary information.
  • the difference of the feature parameters can be realized by different types of information that the UE needs to process, and the difference of the feature parameters can also be realized by different coverage enhancement levels, and the difference of the feature parameters can also be realized by different coverage enhancement modes. .
  • the first mode is a guard band mode or an independent mode
  • the second mode is an in-band mode
  • the modes specifically adopted by the first mode and the second mode may also be other modes, for example, the first mode may also be an in-band mode, and the second mode may also be a guard band mode.
  • the first mode may also be an in-band mode
  • the second mode may also be an independent mode, which is not limited herein.
  • the base station may determine, according to the characteristic parameter of the UE, a mode that can be adopted between the base station and the UE, and the base station and the UE on the carrier corresponding to the mode adopted by the base station and the UE. Information transfer between.
  • the method for transmitting information provided by the embodiment of the present invention may implement a mode according to channel quality or information type, so that a determined mode is used for communication between the base station and the user equipment, thereby improving system design flexibility, thereby optimizing resource allocation and reducing The power consumption of the user equipment.
  • the communication between the base station and the user equipment may adopt different modes or different operations for UEs of different channel qualities. How to determine the communication mode or communication operation used for the information transmission of the UE for the information transmission of the UE with different channel qualities is a problem that can be solved by the embodiment of the present invention.
  • the communication between the base station and the user equipment may also adopt different modes or different operations. How to determine the communication mode or communication operation used for information transmission for different information is also a problem that can be solved by embodiments of the present invention.
  • the channel quality may be a level of coverage enhancement, or a level of repetition, or a level of reference signal received power, or a level of path loss, or a resource allocation level, or an coverage enhancement mode, or a power configuration level, or a level of signal transmission bandwidth.
  • the information transmission adopts a first mode (the first mode is a first communication mode, or the first mode is a carrier determined according to the first communication mode, or the first mode is a first carrier) .
  • the information transmission adopts a second mode (the second mode is the second communication mode, or the second mode is the carrier determined according to the second communication mode, or the second mode is the second carrier) Transfer.
  • the first channel quality and the second channel quality are different channel qualities.
  • the base station may indicate the channel quality of the UE to the UE by one or more of system information, radio resource control common signaling, radio resource control proprietary signaling, media intervention signaling, and physical layer signaling.
  • Base station The mode used by the UE to indicate the information transmission of the UE may also be indicated by one or more of system information, radio resource control common signaling, radio resource control proprietary signaling, media intervention signaling, and physical layer signaling.
  • the base station and the UE determine channel quality according to a predetermined rule, and/or determine a relationship between channel quality and a mode used for information transmission.
  • the first mode may be an in-band (English name: inband) mode.
  • the user equipment of the first channel quality can share the frequency resource of the legal carrier with the legal user equipment.
  • the frequency resource of a legal carrier greatly exceeds the frequency resource of the guard band (English name: guard band) mode.
  • guard band English name: guard band
  • Information transmission for MTC/IoT user equipment may not reserve the DC subcarrier, thereby improving the resource utilization efficiency of the MTC/IoT user equipment information transmission.
  • the performance of information transmission can be improved by methods such as retransmission. Or through frequency shifting (such as non-zero intermediate frequency, or non-zero baseband center frequency) and other modes to overcome the performance impact of DC components on information transmission. For example, if there are 12 subcarriers in one resource block, the MTC/IoT user equipment information transmission fills 12 subcarriers, and the DC subcarriers may not be reserved.
  • the second mode may be a guard band mode, so that the information transmission of the UE in the guard band mode may adopt a larger power boost, which helps to enhance the performance of information transmission of the MTC/IoT user equipment.
  • the UE information transmission in the protection band mode (the information transmission of the UE may be the information transmission of the base station to the UE, or the information transmission by the UE to the base station) may adopt a power boost of 6 dB (or even a larger value, such as 8 dB or 10 dB, etc.). Mode to improve the power spectral density of information transmission, thereby improving the reliability of information transmission.
  • the transmission of data information can begin with the first orthogonal frequency division multiplexed symbol within the subframe.
  • the transmission of information may begin with the first orthogonal frequency division multiplexed symbol within the subframe and continue until the last orthogonal frequency division multiplexed symbol within the subframe.
  • one or more DC subcarriers may be reserved in the transmission frequency resource range of the information, thereby avoiding DC component to information transmission. Performance impact.
  • the information transmission occupies 12 subcarriers.
  • FIG. 5-a a schematic structural diagram of a communication system according to an embodiment of the present invention is provided.
  • the base station performs communication according to two types of channel qualities and different UEs in different modes.
  • the channel quality of UE1 and UE2 belongs to the first channel quality, and the base station and UE1 and UE2 communicate in the first mode.
  • the channel quality of UE3, UE4, and UE5 belongs to the second channel quality, and the base station and UE3, UE4, and UE5 communicate in the second mode.
  • FIG. 5-c a schematic diagram of an implementation manner of protecting a reference signal transmitted in a band according to an embodiment of the present invention, where a reference signal in a carrier mode of a guard band mode may have a larger transmit power or The reference signal overhead in the carrier of the in-band mode is reduced, and the MTC/IoT UE using the resource block in the carrier of the in-band mode can perform channel estimation according to the reference signal in the carrier of the guard band mode.
  • FIG. 5-b a schematic diagram of an implementation manner in which multiple UEs determine different modes according to an embodiment of the present invention, a reference signal in a frequency resource of a guard band can be used not only for protecting a channel for information transmission in a band.
  • Estimation (and/or channel measurement) can also be used for channel estimation (and/or channel measurement) of information transmission within the band (ie within the transmission bandwidth). There may be no reference signal defined for the above MTC/IoT UE on the resources used for in-band MTC/IoT UE information transmission.
  • the channel quality of the UE may change.
  • the UE may need to tune from the frequency resource of one mode carrier to the frequency resource of the carrier of another mode (ie, frequency switching).
  • the frequency resource can be a narrow band.
  • One method of frequency switching is an absolute frequency position indication.
  • the base station indicates an absolute radio frequency signal for the UE (English full name: Absolute Radio Frequency Channel Number, English abbreviation: ARFCN).
  • the absolute frequency position indication does not require the UE to know the system bandwidth size of the carrier for each mode.
  • the base station may indicate the ARFCN to the UE by one or more of system information, radio resource control common signaling, radio resource control proprietary signaling, media intervention signaling, and physical layer signaling.
  • FIG. 5-d a schematic diagram of an implementation manner of frequency offset in different modes according to an embodiment of the present invention, which instructs a UE to switch from a narrowband of a carrier (English name: standalone) mode to an in-band carrier. Concentrated frequency switching method on narrowband.
  • Another frequency switching method is to perform frequency switching according to the center frequency point combined with the frequency adjustment.
  • the UE first determines the center frequency point on the frequency resource where the synchronization channel (or broadcast channel) is located according to the synchronization channel detection (or broadcast channel detection). Taking the center frequency point as a reference point, the base station indicates to the UE the frequency position to be tuned. For example, one bit indicates whether the frequency is increased or decreased based on the center frequency.
  • the increased frequency size or reduced frequency size is indicated by X bits.
  • the frequency step size may be the width of several subcarriers, or the frequency width of a half narrow band, or a narrow band frequency width, or m*100 KHz, or a narrow band, or a resource block, or a subcarrier in units.
  • m is a predetermined positive integer.
  • the narrow band has a frequency width of 180 kHz.
  • the frequency of the frequency to be adjusted indicated by the Y bits may be a positive value or a negative value.
  • the frequency size can also be determined based on a frequency offset (English name: offset) and frequency step size.
  • frequency size frequency offset + L ⁇ frequency step size.
  • the frequency offset may be a pre-fixed value or a value notified by the base station to the UE, and L is a positive integer.
  • the frequency offset is the frequency interval between the center frequency of the carrier of the first mode and the center frequency of the carrier of the second mode.
  • the frequency offset is a frequency interval between a center frequency of a carrier of the first mode and a specific frequency position of a carrier of the second mode.
  • the frequency offset is a frequency interval between a particular frequency location of the first mode and a particular frequency location of the carrier of the second mode.
  • the specific frequency location is the lowest frequency location of the carrier, or the highest frequency location of the carrier, or the lowest frequency location of the carrier's transmission bandwidth, or the highest frequency location of the carrier's transmission bandwidth.
  • the indication method of the center frequency point combined with the frequency adjustment may also not require the UE to know the system bandwidth size of the carrier of each mode.
  • the indication can be indicated in units of narrowband, or resource block, or subcarrier.
  • Another frequency switching method is to perform frequency switching according to the frequency point currently combined with the frequency adjustment of the UE.
  • the frequency point at which the UE is currently located may be a narrowband center frequency point of the information (or transmission information) currently received by the UE, or a specific frequency point (such as the lowest or highest frequency point) of the narrowband of the information (or transmission information) currently received by the UE. ).
  • the size of the frequency adjustment is as described above and will not be described here.
  • the base station may indicate the frequency size, the frequency step, and the offset in the offset by one or more of system information, radio resource control common signaling, radio resource control proprietary signaling, media intervention signaling, and physical layer signaling. One or more.
  • the common mode adopts the first mode (the first mode is the first mode, or the first mode is the first mode)
  • the proprietary control information or proprietary data information of the MTC/IoT user equipment adopts the second mode (the second mode is The second mode, or the second mode is the carrier in which the second mode is located, or the second mode is the second carrier, or the second mode is the second narrowband) for transmission.
  • the first mode and the second mode are different modes.
  • FIG. 5 is a schematic diagram of an implementation manner of a narrowband configuration according to an embodiment of the present invention.
  • the first mode is a carrier in a guard band mode
  • the second mode is a carrier in an inband mode.
  • the frequency range in which the public message is transmitted may be referred to as a first narrow band or a main narrow band
  • the frequency range in which the proprietary control information or the proprietary data information is transmitted may be referred to as a second narrow band or a secondary narrow band.
  • a narrowband refers to a resource having a specific frequency range, such as a narrowband being a frequency resource of 200 KHz or 180 KHz.
  • the public message can be transmitted on the carrier of the guard band mode, so that the transmission of the common message can adopt a larger power boost, which helps to enhance the transmission performance of the common message.
  • the transmission of public messages can use a power boost of 6 dB (or a larger value, such as 8 dB or 10 dB, etc.) to improve the transmission power of the common message transmission, thereby improving the transmission reliability of the public message.
  • the public message transmission can utilize more resources, and the transmission performance of the common message can be enhanced. This can reduce the complexity of the user equipment detecting public messages and save the detection power consumption of the user equipment.
  • the transmission of data information can begin with the first orthogonal frequency division multiplexed symbol within the sub-frame.
  • the transmission of control information or data information may begin with the first orthogonal frequency division multiplexed symbol within the subframe and continue until the last orthogonal frequency division multiplexed symbol within the subframe.
  • one or more DC subcarriers may be reserved in the transmission frequency resource range of the common message, thereby avoiding the performance impact of the DC component on the common message transmission.
  • the public message transmission occupies 12 subcarriers.
  • the DC subcarrier is reserved, there are 6 subcarriers on one side of the DC subcarrier for common message transmission, and 5 subcarriers on the other side of the DC subcarrier are used for public message transmission, that is, public The message transmission occupies 11 subcarriers.
  • the proprietary control information or proprietary data information can be transmitted on the carrier in the in-band mode. Because the MTC/IoT user equipment can share the frequency resource of the legal carrier with the legal user equipment, usually the frequency resource of the legal carrier greatly exceeds the frequency resource of the guard band mode, considering that there are a large number of networks.
  • the MTC/IoT user equipment may have more frequency resources for the transmission of proprietary control information or data information of the MTC/IoT user equipment on the frequency resources of the legal carrier. Further, in the carrier in the in-band mode, considering the overhead of the DC subcarrier, the DC subcarrier may not be reserved in the transmission frequency resource range of the proprietary control information or the proprietary data information, thereby improving the MTC/IoT user equipment. Resource utilization efficiency.
  • the DC component may have a performance impact on the transmission of proprietary control information or data information
  • the performance of transmission of proprietary control information or proprietary data information may be improved by methods such as retransmission.
  • frequency shifting eg, non-zero intermediate frequency, or non-zero baseband center frequency.
  • the transmission of the proprietary control information or the data information in the present invention may also include the transmission of the proprietary control information or the reference signal related to the data information.
  • FIG. 5-f a schematic diagram of an implementation manner of a reserved DC subcarrier provided by an embodiment of the present invention is shown, where a reserved subcarrier exists in a frequency range in which a common message is transmitted, in proprietary control information or No DC subcarriers are reserved in the frequency range in which the proprietary data information is transmitted. Since the MTC/IoT user equipment can only receive or transmit information on one narrowband resource at the same time, some tuning time is required when the MTC/IoT user equipment tunes from one narrowband to another. As shown in the following figure, when the UE jumps from the reception of the public message to the reception of the proprietary control information or data information, a certain tuning time is required.
  • the UE jumps from the reception of the proprietary control information or the proprietary data information to the reception of the public message, a certain tuning time is required. If the previous one or more symbols in the subframe in which the common message is transmitted are not reserved (that is, the previous one or more symbols in the subframe in which the common message is transmitted is also used for transmission of the common message), when the UE is specialized When the reception of control information or proprietary data information jumps to the reception of the public message, it is necessary to reserve one subframe or several symbols for frequency tuning (ie, frequency switching) before the subframe in which the common message transmission is located. At this time, the previous subframe of the subframe in which the common message transmission is located may be regarded as a non-effective receiving subframe of the proprietary control information or the proprietary data information.
  • FIG. 5-g is a schematic diagram of an implementation manner of narrowband tuning according to an embodiment of the present invention.
  • the first mode is a carrier in a guard band mode
  • the second mode is a carrier in an in-band mode as an example to describe an information transmission method provided by the present invention.
  • the first mode may also be a carrier in the independent mode
  • the second mode is a carrier in the in-band mode.
  • the first mode may also be a carrier in an in-band mode
  • the second mode is a carrier in an independent mode (or a guard band mode).
  • the public message can only be transmitted on subframe x and/or subframe y.
  • the above values of x and y are only an implementation mode exemplified, and x and y can also take other values.
  • the common message is transmitted on the N subcarriers of the carrier, and the frequency resource locations of the N subcarriers do not overlap with the frequency resource locations of the central 72 subcarriers at all.
  • proprietary control information or private data information because it can be transmitted on a carrier in independent mode (or guard band mode), proprietary control information or proprietary data information can be used in a higher power boost mode, or reserved.
  • the UE may perform frequency switching on frequency resources between carriers of different modes, and the specific frequency switching method is as described in the foregoing embodiment.
  • the UE on the carrier of the first mode may perform channel estimation and/or channel measurement according to the reference signal on the frequency resource of the carrier of the second mode.
  • the UE on the carrier of the second mode may be according to the carrier of the first mode.
  • the reference signal on the frequency resource performs channel estimation and/or channel measurement, and the specific frequency switching method is as described in the foregoing embodiment.
  • a base station 600 may include: a feature parameter determining module 601, a mode determining module 602, and an information transmitting module 603, where
  • the feature parameter determining module 601 is configured to determine a feature parameter of the user equipment UE, where the feature parameter includes: a channel quality of the UE and/or a type of information that the UE needs to process;
  • the mode determining module 602 is configured to determine, according to the determined feature parameter, a mode adopted between the base station and the UE, where the mode includes: an in-band mode, a guard band mode, and an independent mode;
  • the characteristic parameter of the UE is a first characteristic parameter, and the mode determined by the base station is a first mode; when the determined feature parameter of the UE is a second feature parameter, the mode determined by the base station is a second mode; the first feature parameter and the second feature parameter are different feature parameters, The first mode and the second mode are different modes;
  • the information transmission module 603 is configured to transmit information about the UE on a carrier corresponding to a mode adopted between the determined base station and the UE.
  • the base station 600 further includes: a sending module 604, configured to determine that a feature parameter of the UE is converted from the first feature parameter to the Transmitting the frequency indication information to the UE, or converting the second characteristic parameter to the first characteristic parameter, where
  • the frequency indication information is used to indicate that the UE processes the frequency resource of the information on the carrier corresponding to the second mode, when the feature parameter of the UE is changed from the first feature parameter to the second feature parameter. ;
  • the frequency indication information is used to indicate that the UE processes the frequency resource of the information on the carrier corresponding to the first mode, when the feature parameter of the UE is changed from the second feature parameter to the first feature parameter. .
  • the sending module 604 is specifically configured to use one of system information, radio resource control common signaling, radio resource control proprietary signaling, media access signaling, and physical layer signaling. And transmitting the frequency indication information to the UE.
  • the frequency indication information is an absolute radio frequency channel number, and the absolute radio frequency channel number is used by the UE to determine a switched frequency resource according to the absolute radio frequency channel number; or
  • the frequency indication information is frequency offset information, and the frequency offset information is used by the UE to determine, according to a center frequency point where the synchronization channel is located or a frequency point where the current processing information of the UE is located, combined with the frequency offset information. Frequency resource for switching.
  • the base station 600 further includes: a configuration module 605, configured to correspond to the first mode.
  • the power boosting strength of the information transmitted on the carrier is greater than the power boosting strength of the information transmitted by the base station on the carrier corresponding to the second mode, or the power spectral density of the transmitted information on the carrier corresponding to the first mode is greater than a power spectral density enhancement strength of the information transmitted by the base station on a carrier corresponding to the second mode; and/or a first symbol in a subframe from which information is transmitted on a carrier corresponding to the first mode And transmitting the reference signal on the carrier corresponding to the first mode, and transmitting the reference signal on the carrier corresponding to the second mode for transmitting the information by using the UE in the second mode; And/or, when the information is transmitted by the UE in the first mode, the DC subcarrier is reserved on the carrier corresponding to the first mode, and the second mode is adopted on the carrier corresponding to
  • the first feature parameter is a first coverage enhancement level or a first coverage enhancement mode
  • the second feature parameter is a second coverage enhancement level or a second coverage enhancement mode
  • the first characteristic parameter is a first information type
  • the second characteristic parameter is a second information type
  • the first feature parameter is a first coverage enhancement level and a first information type
  • the second feature parameter is a second coverage enhancement level and a second information type
  • the first coverage enhancement level and the second coverage enhancement level are different coverage enhancement levels; the first coverage enhancement mode and the second coverage enhancement mode are different coverage enhancement modes;
  • the information type is a public message and the second information type is proprietary information.
  • the first mode is the guard band mode or the independent mode
  • the second mode is the in-band mode
  • the channel quality is used to indicate a level of coverage enhancement adopted by the UE, a level of repetition, a level of reference signal received power, a level of path loss, a resource level, an coverage enhancement mode, and a power.
  • a level of coverage enhancement adopted by the UE a level of repetition
  • a level of reference signal received power a level of path loss
  • a resource level a coverage enhancement mode
  • a power a power.
  • the base station may determine, according to the characteristic parameter of the UE, a mode that can be adopted between the base station and the UE, and the base station and the UE on the carrier corresponding to the mode adopted by the base station and the UE. Information transfer between.
  • the method for transmitting information provided by the embodiment of the present invention may implement a mode according to channel quality or information type, so that a determined mode is used for communication between the base station and the user equipment, thereby improving system design flexibility, thereby optimizing resource allocation and reducing The power consumption of the user equipment.
  • a UE 700 may include: a feature parameter determining module 701, a mode determining module 702, and an information processing module 703, where
  • the feature parameter determining module 701 is configured to determine a feature parameter of the UE, where the feature parameter includes: a channel quality of the UE and/or a type of information that the UE needs to process;
  • the mode determining module 702 is configured to determine, according to the determined feature parameter, a mode adopted between the base station and the UE, where the mode includes: an in-band mode, a guard band mode, and an independent mode;
  • the characteristic parameter of the UE is a first characteristic parameter, and the mode determined by the UE is a first mode; when the determined feature parameter of the UE is a second feature parameter, the mode determined by the UE is a second mode;
  • the first feature parameter and the second feature parameter are different feature parameters, and the first mode and the second mode are different modes;
  • the information processing module 703 is configured to process information about the UE on a carrier corresponding to a mode adopted between the determined base station and the UE.
  • the UE 700 further includes: a receiving module 704 and a frequency resource determining module 705, where
  • the receiving module 704 is configured to receive frequency indication information sent by the base station, where
  • the frequency resource determining module 705 is configured to determine, according to the frequency indication information, that the UE is in the second mode, when a feature parameter of the UE is changed from the first feature parameter to the second feature parameter. a frequency resource of the information processed on the corresponding carrier; when the characteristic parameter of the UE is converted from the second characteristic parameter to the first characteristic parameter, determining, according to the frequency indication information, that the UE is in the first mode The frequency resource on which the information is processed on the corresponding carrier.
  • the receiving module 704 is specifically configured to use one of system information, radio resource control common signaling, radio resource control proprietary signaling, media access signaling, and physical layer signaling. And receiving the frequency indication information sent by the base station.
  • the frequency resource determining module 705 is specifically configured to: the frequency indication information is an absolute radio frequency channel number, and determine a switched frequency resource according to the absolute radio frequency channel number; or
  • the frequency indication information is frequency offset information, and the frequency resource of the handover is determined according to the frequency point of the central frequency point where the synchronization channel is located or the frequency information of the current processing information of the UE.
  • the UE 700 further includes: a configuration module 706, configured to transmit carriers corresponding to the first mode, as shown in FIG. 7-a.
  • the power boosting strength of the processing information is greater than the power boosting strength of the processing information of the UE on the carrier corresponding to the second mode, or the power spectral density of the processing information on the carrier corresponding to the first mode is greater than Determining the power spectral density enhancement strength of the information processed by the UE on the carrier corresponding to the second mode; and/or starting from the first symbol in the subframe of the processing information on the carrier corresponding to the first mode Processing the information; and/or processing the reference signal when processing the information on the carrier corresponding to the first mode, and processing the information on the carrier corresponding to the second mode without processing the reference signal; and/or, in the A DC subcarrier is reserved when processing information on a carrier corresponding to a mode, and no DC subcarrier is reserved when processing information on a carrier corresponding to the second mode
  • the first feature parameter is a first coverage enhancement level or a first coverage enhancement mode
  • the second feature parameter is a second coverage enhancement level or a second coverage enhancement mode
  • the first characteristic parameter is a first information type
  • the second characteristic parameter is a second information type
  • the first feature parameter is a first coverage enhancement level and a first information type
  • the second feature parameter is a second coverage enhancement level and a second information type
  • the first coverage enhancement level and the second coverage enhancement level are different coverage enhancement levels; the first coverage enhancement mode and the second coverage enhancement mode are different coverage enhancement modes;
  • the information type is a public message and the second information type is proprietary information.
  • the first mode is the guard band mode or the independent mode
  • the second mode is the in-band mode
  • the channel quality is used to indicate a level of coverage enhancement adopted by the UE, a level of repetition, a level of reference signal received power, a level of path loss, a resource level, an coverage enhancement mode, and a power.
  • a level of coverage enhancement adopted by the UE a level of repetition
  • a level of reference signal received power a level of path loss
  • a resource level a coverage enhancement mode
  • a power a power.
  • the base station may determine, according to the characteristic parameter of the UE, a mode that can be adopted between the base station and the UE, and the base station and the UE on the carrier corresponding to the mode adopted by the base station and the UE. Information transfer between.
  • the method for transmitting information provided by the embodiment of the present invention may implement a mode according to channel quality or information type, so that a determined mode is used for communication between the base station and the user equipment, thereby improving system design flexibility, thereby optimizing resource allocation and reducing The power consumption of the user equipment.
  • the embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium stores a program, and the program executes some or all of the steps described in the foregoing method embodiments.
  • the base station 800 includes:
  • the receiver 801, the transmitter 802, the processor 803, and the memory 804 (wherein the number of processors 803 in the base station 800 may be one or more, and one processor in FIG. 8 is taken as an example).
  • the receiver 801, the transmitter 802, the processor 803, and the memory 804 may be connected by a bus or other means, wherein the bus connection is taken as an example in FIG.
  • the processor 803 is configured to perform the following steps:
  • the characteristic parameter comprising: a channel quality of the UE and/or a type of information that the UE needs to process;
  • a mode adopted between the base station and the UE Determining, according to the determined characteristic parameter, a mode adopted between the base station and the UE, where the mode includes: an in-band mode, a guard band mode, and an independent mode;
  • the determined mode is the first mode
  • the determined feature parameter of the UE is the second feature parameter
  • the mode determined by the base station is the second mode
  • the first characteristic parameter and the second characteristic parameter are different characteristic parameters, and the first mode and the second mode are different modes
  • the processor 803 is further configured to perform the following steps:
  • the base station Determining that the characteristic parameter of the UE is converted from the first characteristic parameter to the second characteristic parameter, or when the second characteristic parameter is converted into the first characteristic parameter, the base station sends a frequency to the UE Instructions, where
  • the frequency indication information is used to indicate that the UE processes the frequency resource of the information on the carrier corresponding to the second mode, when the feature parameter of the UE is changed from the first feature parameter to the second feature parameter. ;
  • the frequency indication information is used to indicate that the UE processes the frequency resource of the information on the carrier corresponding to the first mode, when the feature parameter of the UE is changed from the second feature parameter to the first feature parameter. .
  • the processor 803 is specifically configured to perform the following steps:
  • the frequency indication information is sent to the UE by one or more of system information, radio resource control common signaling, radio resource control proprietary signaling, media access signaling, and physical layer signaling.
  • the frequency indication information stored by the memory 804 is an absolute radio frequency channel number, and the absolute radio frequency channel number is used by the UE to determine a switched frequency resource according to the absolute radio frequency channel number.
  • the frequency indication information is frequency offset information, where the frequency offset information is used by the UE according to a center frequency point where the synchronization channel is located or a frequency point where the current processing information of the UE is located, combined with the frequency offset.
  • the shift information determines the frequency resource of the handover.
  • the processor 803 is further configured to perform the following steps:
  • the power boosting strength of the information transmitted on the carrier corresponding to the first mode is greater than the power boosting strength of the information transmitted by the base station on the carrier corresponding to the second mode, or the base station corresponding to the first mode
  • the power spectral density enhancement strength of the information transmitted on the carrier is greater than the power spectral density enhancement strength of the information transmitted by the base station on the carrier corresponding to the second mode; and/or,
  • a DC subcarrier is reserved for the UE that uses the first mode to transmit information on the carrier corresponding to the first mode, where the base station uses the second mode on the carrier corresponding to the second mode.
  • the DC subcarrier is not reserved when the UE transmits information.
  • the first feature parameter stored by the memory 804 is a first coverage enhancement level or a first coverage enhancement mode
  • the second feature parameter is a second coverage enhancement level or a second coverage enhancement mode.
  • the first feature parameter is a first information type
  • the second feature parameter is a second information type
  • the first feature parameter is a first coverage enhancement level and a first information type
  • the second feature parameter is a second coverage enhancement level and a second information type; wherein the first coverage enhancement level and the second coverage enhancement level are different coverage enhancement levels; the first coverage enhancement mode and the first The two coverage enhancement modes are different coverage enhancement modes;
  • the first information type is a public message, and the second information type is proprietary information.
  • the first mode stored by the memory 804 is the guard band mode or the independent mode
  • the second mode is the in-band mode
  • the channel quality stored by memory 804 is used to indicate the One or more of the coverage enhancement level, the repetition level, the reference signal reception power level, the path loss level, the resource level, the coverage enhancement mode, the power level, and the signal transmission bandwidth level adopted by the UE.
  • the base station may determine, according to the characteristic parameter of the UE, a mode that can be adopted between the base station and the UE, and perform information transmission between the base station and the UE on the carrier corresponding to the mode used by the base station and the UE.
  • the method for transmitting information provided by the embodiment of the present invention may implement a mode according to channel quality or information type, so that a determined mode is used for communication between the base station and the user equipment, thereby improving system design flexibility, thereby optimizing resource allocation and reducing The power consumption of the user equipment.
  • the UE 900 includes:
  • the receiver 901, the transmitter 902, the processor 903, and the memory 904 (wherein the number of processors 903 in the UE 900 may be one or more, and one processor in FIG. 8 is taken as an example).
  • the receiver 901, the transmitter 902, the processor 903, and the memory 904 may be connected by a bus or other means, wherein the bus connection is taken as an example in FIG.
  • the processor 903 is configured to perform the following steps:
  • the feature parameter comprising: a channel quality of the UE and/or a type of information that the UE needs to process;
  • a mode adopted between the base station and the UE Determining, according to the determined characteristic parameter, a mode adopted between the base station and the UE, where the mode includes: an in-band mode, a guard band mode, and an independent mode;
  • the determined mode is the first mode
  • the mode determined by the UE is the second mode
  • the first characteristic parameter and the second characteristic parameter are different characteristic parameters, and the first mode and the second mode are different modes
  • the processor 903 is further configured to perform the following steps:
  • the processor 903 is specifically configured to perform the following steps:
  • the frequency indication information sent by the base station is received by one or more of system information, radio resource control common signaling, radio resource control proprietary signaling, media access signaling, and physical layer signaling.
  • the frequency indication information stored by the memory 904 is an absolute radio frequency channel number, and the UE determines the switched frequency resource according to the absolute radio frequency channel number; or the frequency indication information is The frequency offset information, the UE determines the frequency resource of the handover according to the center frequency point where the synchronization channel is located or the frequency point where the current processing information of the UE is located, and the frequency indication information.
  • the processor 903 is further configured to perform the following steps:
  • the power boosting strength of the processing information on the carrier corresponding to the first mode is greater than the power boosting strength of the processing information of the UE on the carrier corresponding to the second mode, or the UE corresponding to the first mode
  • the power spectral density enhancement strength of the processing information on the carrier is greater than the power spectral density enhancement strength of the processing information of the UE on the carrier corresponding to the second mode; and/or the processing information on the carrier corresponding to the first mode
  • the first symbol in the sub-frame begins to process information; and/or, when the information is processed on the carrier corresponding to the first mode, the reference signal is processed, and the UE processes the information on the carrier corresponding to the second mode.
  • the reference signal is not processed; and/or, when the information is processed on the carrier corresponding to the first mode, a DC subcarrier is reserved, and the UE does not reserve a DC subroutine when processing information on the carrier corresponding to the second mode. Carrier.
  • the first feature parameter stored by the memory 904 is a first coverage enhancement level or a first coverage enhancement mode
  • the second feature parameter is a second coverage enhancement level or a second coverage enhancement mode.
  • the first feature parameter is a first information type
  • the second feature parameter is a second information type
  • the first feature parameter is a first coverage enhancement level and a first information type
  • the second feature parameter is a second coverage enhancement level and a second information type; wherein the first coverage enhancement level and the second coverage enhancement level are different coverage enhancement levels; the first coverage enhancement mode and the first The two coverage enhancement modes are different coverage enhancement modes;
  • the first information type is a public message, and the second information type is proprietary information.
  • the first mode stored by the memory 904 is the guard band A mode or the independent mode, the second mode being the in-band mode.
  • the channel quality stored by the memory 904 is used to indicate a level of coverage enhancement adopted by the UE, a level of repetition, a level of reference signal received power, a level of path loss, a resource level, and an overlay.
  • a level of coverage enhancement adopted by the UE a level of repetition
  • a level of reference signal received power a level of path loss
  • a resource level a level of a resource level
  • an overlay a level of transmission bandwidth level.
  • the base station may determine, according to the characteristic parameter of the UE, a mode that can be adopted between the base station and the UE, and the base station and the UE on the carrier corresponding to the mode adopted by the base station and the UE. Information transfer between.
  • the method for transmitting information provided by the embodiment of the present invention may implement a mode according to channel quality or information type, so that a determined mode is used for communication between the base station and the user equipment, thereby improving system design flexibility, thereby optimizing resource allocation and reducing The power consumption of the user equipment.
  • the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be Physical units can be located in one place or distributed to multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • the connection relationship between the modules indicates that there is a communication connection between them, and specifically, one or more communication buses or signal lines can be realized.
  • the present invention can be implemented by means of software plus necessary general hardware, and of course, dedicated hardware, dedicated CPU, dedicated memory, dedicated memory, Special components and so on.
  • functions performed by computer programs can be easily implemented with the corresponding hardware, and the specific hardware structure used to implement the same function can be various, such as analog circuits, digital circuits, or dedicated circuits. Circuits, etc.
  • software program implementation is a better implementation in more cases.
  • the technical solution of the present invention which is essential or contributes to the prior art, can be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer.
  • U disk mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc., including a number of instructions to make a computer device (may be A personal computer, server, or network device, etc.) performs the methods described in various embodiments of the present invention.
  • a computer device may be A personal computer, server, or network device, etc.

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Abstract

L'invention concerne un procédé de transmission d'informations, un procédé de traitement d'informations, une station de base et un équipement utilisateur (UE). Le procédé de transmission d'informations comprend les opérations suivantes : la station de base détermine un paramètre de caractéristique d'un UE, le paramètre de caractéristique comprenant : la qualité de canal de l'UE et/ou le type des informations que l'UE a besoin de traiter ; la station de base détermine, selon le paramètre de caractéristique déterminé, un mode à utiliser entre la station de base et l'UE, le mode comprenant : un mode intrabande, un mode de bande de garde et un mode indépendant, lorsque le paramètre de caractéristique déterminé de l'UE est un premier paramètre de caractéristique, le mode déterminé par la station de base étant un premier mode, et lorsque le paramètre de caractéristique déterminé de l'UE est un second paramètre de caractéristique, le mode déterminé par la station de base étant un second mode, le premier paramètre de caractéristique et le second paramètre de caractéristique étant des paramètres de caractéristique différents, et le premier mode et le second mode étant des modes différents ; et la station de base transmet des informations de l'UE sur une porteuse à laquelle le mode déterminé à utiliser entre la station de base et l'UE correspond.
PCT/CN2015/093458 2015-10-30 2015-10-30 Procédé de transmission d'informations, procédé de traitement d'informations, station de base et équipement utilisateur WO2017070955A1 (fr)

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