WO2018195720A1 - 确定调制编码方式的方法及装置 - Google Patents

确定调制编码方式的方法及装置 Download PDF

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Publication number
WO2018195720A1
WO2018195720A1 PCT/CN2017/081685 CN2017081685W WO2018195720A1 WO 2018195720 A1 WO2018195720 A1 WO 2018195720A1 CN 2017081685 W CN2017081685 W CN 2017081685W WO 2018195720 A1 WO2018195720 A1 WO 2018195720A1
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Prior art keywords
cqi
modulation
level
compression level
determining
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PCT/CN2017/081685
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English (en)
French (fr)
Inventor
周珏嘉
朱亚军
张明
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN201780000269.1A priority Critical patent/CN107223317B/zh
Priority to PCT/CN2017/081685 priority patent/WO2018195720A1/zh
Priority to US16/607,718 priority patent/US10999002B2/en
Publication of WO2018195720A1 publication Critical patent/WO2018195720A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H04L1/0004Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes applied to control information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026Transmission of channel quality indication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0033Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0008Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H04L27/3411Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power reducing the peak to average power ratio or the mean power of the constellation; Arrangements for increasing the shape gain of a signal set
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/345Modifications of the signal space to allow the transmission of additional information
    • H04L27/3461Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel
    • H04L27/3477Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel by using the outer points of the constellation or of the constituent two-dimensional constellations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36Modulator circuits; Transmitter circuits
    • H04L27/362Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057Physical resource allocation for CQI
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/21Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3488Multiresolution systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0014Three-dimensional division
    • H04L5/0023Time-frequency-space
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • H04L5/006Quality of the received signal, e.g. BER, SNR, water filling

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a method and apparatus for determining a modulation and coding scheme.
  • the base station needs to determine the channel condition according to the CQI (channel quality indication) information fed back by the user equipment, and then configure the appropriate modulation and coding mode for the user equipment according to the channel condition.
  • the UE feeds back the downlink channel quality in any of the CQI levels of 0 to 15 represented by the 4-bit data in the uplink control signaling.
  • the above CQI level reflects the channel quality of the four modulation and coding modes: QPSK, 16QAM, 64QAM, and 256QAM.
  • the 5G network has greatly improved its ability in data transmission rate, coverage, delay, and capacity.
  • the base station can configure higher-order modulation and coding modes, such as 1024QAM and 2048QAM, for the user equipment to improve the data transmission throughput of the channel.
  • higher-order modulation and coding modes such as 1024QAM and 2048QAM
  • the channel condition reflection granularity of a single level is inevitably increased, resulting in a decrease in the feedback accuracy of the original coding mode corresponding to the channel quality, thereby reducing the modulation and coding mode. Determine the accuracy.
  • embodiments of the present disclosure provide a method and apparatus for determining a modulation and coding manner to configure a higher order modulation and coding scheme for a user equipment based on a relevant CQI level.
  • a method for determining a modulation coding mode which is applied to a base station, the method comprising:
  • the uplink control information includes at least: a channel quality indicator CQI level;
  • the CQI level belongs to the CQI compression level, determining a modulation and coding mode represented by the CQI compression level according to preset CQI compression level indication information;
  • the preset CQI compression level indication information includes: a correspondence between the CQI compression level and at least two modulation and coding modes, and a CQI compression level representation manner corresponding to each of the modulation and coding modes.
  • the method before the acquiring the uplink control information sent by the user equipment, the method further includes:
  • the CQI compression level configuration information includes: a CQI compression level, at least two modulation and coding modes represented by each of the CQI compression levels, and a CQI compression level representation manner corresponding to each of the modulation and coding modes.
  • the uplink control information further includes: a device identifier of the user equipment,
  • Determining whether the CQI level belongs to a CQI compression level representing at least two modulation and coding modes including:
  • determining that the CQI level belongs to a CQI compression level is performed in any of the following manners:
  • the received uplink control information includes preset compression indication information, determining that the CQI level in the uplink control information belongs to a CQI compression level;
  • the uplink control information includes preset scrambling information, determining that the CQI level in the uplink control information belongs to a CQI compression level;
  • the uplink control information is received by using the preset uplink time-frequency resource, it is determined that the CQI level in the uplink control information belongs to a CQI compression level.
  • the determining, according to the preset CQI compression level indication information, a modulation and coding manner represented by the CQI compression level including:
  • the determining, according to the preset CQI compression level indication information, a modulation and coding manner represented by the CQI compression level including:
  • the determining, according to the preset CQI compression level indication information, a modulation and coding manner represented by the CQI compression level including:
  • a method for determining a modulation and coding manner comprising:
  • the CQI compression level is sent to the base station according to the preset CQI compression level indication information, so that the base station is configured according to the CQI compression level.
  • the user equipment configures a modulation and coding scheme.
  • the CQI compression level is sent to the base station in any of the following manners:
  • the uplink control information includes a CQI compression level.
  • the method further includes:
  • the CQI compression configuration information includes: a CQI compression level, at least two modulation and coding modes represented by each of the CQI compression levels, and a CQI compression level representation manner corresponding to each of the modulation and coding modes.
  • an apparatus for determining a modulation and coding manner which is provided in a base station, the apparatus comprising:
  • the UCI acquiring module is configured to obtain the uplink control information UCI sent by the user equipment, where the uplink control information includes at least: a channel quality indicator CQI level;
  • a determining module configured to determine whether the CQI level belongs to a CQI compression level that represents at least two modulation and coding modes
  • An encoding mode determining module configured to: if the CQI level belongs to the CQI compression level,
  • a sending module configured to determine, according to the modulation and coding mode, modulation modulation configuration information for the user equipment, and send the configuration information to the user equipment;
  • the preset CQI compression level indication information includes: a correspondence between the CQI compression level and at least two modulation and coding modes, and corresponding to each of the modulation and coding modes. CQI compression level representation.
  • the device further includes:
  • a configuration information sending module configured to send CQI compression level configuration information to the user equipment
  • the CQI compression level configuration information includes: a CQI compression level, at least two modulation and coding modes represented by each of the CQI compression levels, and a CQI compression level representation manner corresponding to each of the modulation and coding modes.
  • the uplink control information further includes: a device identifier of the user equipment; the determining module includes:
  • the first determining sub-module is configured to determine, according to the device identifier of the user equipment, whether the user equipment supports a CQI level compression function
  • the second determining sub-module is configured to determine, according to the preset CQI compression level indication information, whether the CQI level belongs to a CQI compression level, if the user equipment supports the CQI level compression function.
  • the coding mode determining module includes any one of the following compression level determining units:
  • the first compression level determining unit is configured to: if the received uplink control information includes preset compression indication information, determine that the CQI level in the uplink control information belongs to a CQI compression level;
  • the second compression level determining unit is configured to: if the uplink control information includes preset scrambling information, determine that the CQI level in the uplink control information belongs to a CQI compression level;
  • the third compression level determining unit is configured to determine that the CQI level in the uplink control information belongs to a CQI compression level if the uplink control information is received by using a preset uplink time-frequency resource.
  • the coding mode determining module further includes:
  • the first coding determining unit is configured to determine a modulation and coding mode represented by the CQI compression level according to the value of the compression indication information.
  • the coding mode determining module further includes:
  • the scrambling code determining unit is configured to add the uplink control information according to the preset scrambling code Disturbing information for descrambling, determining target scrambling code and CQI compression level;
  • the second encoding determining unit is configured to determine a modulation encoding manner represented by the CQI compression level according to the target scrambling code.
  • the coding mode determining module further includes:
  • a location determining unit configured to determine a target time-frequency resource location for acquiring the uplink control information
  • the third coding determining unit is configured to determine a modulation and coding mode represented by the CQI compression level according to the target time-frequency resource location.
  • an apparatus for determining a modulation and coding mode which is provided in a user equipment, the apparatus comprising:
  • the coding mode requesting module is configured to determine a modulation coding mode to be requested according to the measured downlink channel quality
  • the CQI level determining module is configured to query the preset channel quality indicator CQI table according to the to-be-requested modulation and coding mode to determine a target CQI level;
  • the CQI level sending module is configured to send the CQI compression level to the base station according to the preset CQI compression level indication information, in a case that the target CQI level belongs to a CQI compression level that represents at least two modulation and coding modes, so that the CQI compression level is sent to the base station.
  • the base station configures a modulation and coding mode for the user equipment according to the CQI compression level.
  • the CQI level sending module includes:
  • the first sending sub-module is configured to set a reserved bit value of the uplink control information to a value corresponding to the to-be-requested modulation and coding mode, and send the value to the base station;
  • the second sending submodule is configured to use the scrambling code corresponding to the to-be-requested modulation and coding mode to scramble the uplink control information, and then send the uplink control information to the base station;
  • the third sending submodule is configured to send the uplink control information to the base station by using a target uplink time-frequency resource specified for the to-be-requested modulation and coding mode;
  • the uplink control information includes a CQI compression level.
  • the device further includes:
  • the configuration information obtaining module is configured to obtain CQI compression level configuration information, where the CQI compression configuration information includes: a CQI compression level, at least two modulation and coding modes represented by each of the CQI compression levels, and each of the modulation codes.
  • the CQI compression level representation corresponding to the mode.
  • a non-transitory computer readable storage medium having stored thereon computer instructions that, when executed by a processor, implement the steps of any of the methods of the first aspect described above.
  • a non-transitory computer readable storage medium having stored thereon computer instructions that, when executed by a processor, implement the steps of any of the methods of any of the above second aspects.
  • an apparatus for determining a modulation and coding scheme comprising: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to:
  • uplink control information includes at least: a channel quality indicator CQI level;
  • the CQI level belongs to the CQI compression level, determining a modulation and coding mode represented by the CQI compression level according to preset CQI compression level indication information;
  • the preset CQI compression level indication information includes: a correspondence between the CQI compression level and at least two modulation and coding modes, and a CQI compression level representation manner corresponding to each of the modulation and coding modes.
  • an apparatus for determining a modulation and coding scheme comprising: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to:
  • the CQI compression level is sent to the base station according to the preset CQI compression level indication information, so that the base station is configured according to the CQI compression level.
  • the user equipment configures a modulation and coding scheme.
  • the base station after acquiring the uplink control information sent by the user equipment, the base station first determines whether the CQI level included in the uplink control information belongs to a CQI compression level; if yes, the base station can accurately analyze according to the compression indication manner of the compression level.
  • the CQI compression level represents a modulation and coding scheme. If the CQI level received by the base station does not belong to the compression level, the target modulation coding mode is determined based on the CQI level according to the related art.
  • the method for determining the modulation and coding mode provided by the present disclosure is used to effectively indicate the high-order modulation and coding mode by using the preset CQI compression level indication mode based on the CQI level specified by the related art.
  • the higher-order modulation and demodulation mode can be configured for the user equipment, so that when the channel conditions are good, The data transmission throughput is effectively increased, the data transmission efficiency of the user equipment in the 5G communication system is enhanced, and the user experience of the user equipment is improved.
  • FIG. 1 is a flow chart of a method for determining a modulation coding mode according to an exemplary embodiment of the present disclosure.
  • FIG. 2 is a flow chart of another method for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 3 is a flow chart of another method for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 4 is a flow chart of another method for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 5 is a flowchart of another method for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 6 is a flowchart of another method for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 7 is a flowchart of a method for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 8 is a flowchart of another method for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 9 is a block diagram of an apparatus for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 10 is a block diagram of another apparatus for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 11 is a block diagram of another apparatus for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 12 is a block diagram of another apparatus for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 13 is a block diagram of another apparatus for determining a modulation and coding scheme according to an exemplary embodiment of the present disclosure.
  • FIG. 14 is a block diagram of another apparatus for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 15 is a block diagram of another apparatus for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 16 is a schematic diagram of determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 17 is a block diagram of another apparatus for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 18 is a block diagram of another apparatus for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 19 is a block diagram of another apparatus for determining a modulation coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 20 is a schematic structural diagram of an apparatus for determining a modulation and coding manner according to an exemplary embodiment of the present disclosure.
  • FIG. 21 is a schematic structural diagram of an apparatus for determining a modulation and coding mode according to an exemplary embodiment of the present disclosure.
  • first, second, third, etc. may be used in the present disclosure to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as second information without departing from the scope of the present disclosure.
  • second information may also be referred to as first information.
  • word “if” as used herein may be interpreted to mean “when” or “when” or “in response to determining.”
  • the technical solution provided by the present disclosure is applicable to an LTE system of a communication network of 5G and above.
  • the execution subject of the present disclosure includes: a base station and a user equipment (User Equipment, UE), wherein the base station is used for a base station, a sub base station, or the like, which may be provided with a large-scale antenna array.
  • the user equipment UE may be a user terminal, a user node, a mobile terminal, or a tablet.
  • the base station and the user equipment are independent of each other, and are in contact with each other to jointly implement the technical solution provided by the present disclosure.
  • the modulation and coding modes that the base station can configure for the user equipment are not limited to: four modulation and coding modes: QPSK, 16QAM, 64QAM, and 256QAM, and further include higher-order modulation and coding modes such as 1024QAM and 2048QAM.
  • the 4-bit value 0-15 is still used to quantize the channel quality, and the user equipment is allocated an appropriate modulation and coding mode, especially a higher order modulation and coding mode.
  • FIG. 1 is a flowchart of a method for determining a modulation and coding manner, which may include the following steps, according to an exemplary embodiment:
  • step 11 the uplink control information sent by the user equipment is obtained, where the uplink control information includes at least: a CQI level;
  • the base station needs to determine the downlink channel condition according to the CQI level of the quantized channel quality reported by the user equipment, so as to configure a suitable modulation and coding mode for the user equipment.
  • the user equipment sends a CQI level that quantifies the downlink channel quality to the base station through UCI (Uplink Control Information).
  • UCI Uplink Control Information
  • the 0-bit level is represented by 4 bit bits in the uplink control signaling.
  • step 12 it is determined whether the CQI level belongs to a CQI compression level representing at least two modulation and coding modes;
  • the base station may preset according to the uplink control signaling.
  • the information of 4 bits determines whether the CQI level it represents belongs to the CQI compression level.
  • a CQI level that can represent at least two modulation and coding modes is referred to as a CQI compression level.
  • a CQI table including a CQI compression level is referred to as a new CQI table.
  • the above new CQI table can be as shown in Table 1:
  • CQI level 15 belongs to the CQI compression level and can represent two modulation and coding modes: 256QAM and 1024QAM.
  • the uplink control information received by the base station may further include: a device identifier of the user equipment.
  • the base station may first exclude part of the case that does not include the CQI compression level by using the device identifier of the user equipment, so as to speed up the detection of the CQI compression level.
  • FIG. 2 is a flowchart of another method for determining a modulation and coding manner according to an exemplary embodiment.
  • the foregoing step 12 may include:
  • step 121 it is determined whether the user equipment supports the CQI level compression function according to the device identifier of the user equipment; if yes, the subsequent step 122 is performed; if not, the modulation and coding mode is parsed according to the related technology.
  • the base station may be pre-configured with the corresponding relationship between the device identifier of the user equipment and the level compression function indication information. Therefore, the base station may determine whether the user equipment supports the level compression function according to the device identifier of the user equipment.
  • the device identifier of the user equipment may be information indicating a current network standard, and the network system includes: 3G, 4G, 5G, and the like.
  • the base station determines that the user equipment is a 3G or 4G user equipment, and determines that the equipment does not support the level compression function, it can accurately determine that the CQI compression level is not included in the uplink control information. .
  • the user equipment identifier that the current user equipment belongs to the 5G user equipment, it may be determined that the user equipment supports the level compression function.
  • step 122 it is determined according to the preset CQI compression level indication information whether the CQI level belongs to a CQI compression level.
  • the CQI level fed back by the user equipment is not necessarily the CQI compression level due to the difference in downlink channel quality.
  • the higher order modulation coding method requires higher channel quality.
  • the modulation and coding modes of 256QAM and above shown in Table 1 can only appear locally in a scene with less interference such as a small base station or an indoor scene.
  • more medium modulation coding methods such as QPSK and 16QAM are used. That is, user device request The probability of using the high-order modulation coding method 1024QAM represented by the 15th level in Table 1 is small.
  • the base station still needs to further determine whether the CQI level belongs to the CQI compression level.
  • the base station may determine, according to the preset CQI compression level indication information, that the CQI level sent by the user equipment belongs to a CQI compression level by using at least one of the following manners:
  • the preset CQI compression level indication information is used to indicate that the uplink control information includes a CQI compression level.
  • the preset CQI compression level indication information includes: a correspondence between the CQI compression level and at least two modulation and coding modes, and a CQI compression level representation manner corresponding to each of the modulation and coding modes.
  • the first compression level determining mode determines that the CQI level in the uplink control information belongs to a CQI compression level, if the received uplink control information includes preset compression indication information.
  • FIG. 3 is a flowchart of another method for determining a modulation and coding manner according to an exemplary embodiment.
  • the foregoing step 12 may include:
  • step 1201 acquiring a target CQI level included in the uplink control information
  • the base station may parse the target CQI level from the preset field of the uplink control signaling according to the structure of the preset uplink control information.
  • step 1202 it is determined whether the uplink control information further includes preset compression indication information; if yes, perform the following step 1203; if not, determine that the target CQI level belongs to a conventional CQI level, and parse the corresponding modulation and decoding according to related technologies. the way.
  • the uplink control information sent by the user equipment may include, in addition to the CQI level, preset compression indication information indicating that the CQI level belongs to a CQI compression level.
  • the preset compression indication information may be a reserved bit set in the uplink control signaling; for example, an nth bit in the uplink control signaling. If the nth bit is not set in the uplink control signaling, it is determined that the CQI level included in the uplink control information belongs to a regular CQI level. Otherwise, performing step 1203;
  • step 1203 it is determined that the target CQI level belongs to a CQI compression level.
  • the base station finds that the preset control bit is set in the uplink control signaling, for example, the nth bit, it may be determined that the target CQI level included in the uplink control information belongs to the CQI compression level.
  • the second compression level determining mode determines that the CQI level in the control information belongs to a CQI compression level if the uplink control information includes scrambling information.
  • the preset CQI compression level indication information may indicate that part or all of the uplink control information is scrambled to indicate that the uplink control information includes a CQI compression level.
  • the base station may determine that the uplink control information includes a CQI compression level if it is found to contain the scrambling information.
  • the preset CQI compression level indication information may indicate that the user equipment sends the uplink control information by using the specified time-frequency resource to indicate that the uplink control information includes a CQI compression level. If the base station obtains the uplink control information by using the time-frequency resource location of the specified location, it may be determined that the uplink control information includes a CQI compression level.
  • step 13 if the CQI level belongs to the CQI compression level, determining a modulation and coding mode represented by the CQI compression level according to preset CQI compression level indication information;
  • the foregoing CQI compression level information includes: a CQI compression level representation manner corresponding to each of the modulation and coding modes, and therefore, Determining, according to the preset compression level indication information, which modulation coding mode is represented by the CQI compression level.
  • the base station may parse the modulation and coding mode represented by the CQI compression level by using at least one coding resolution manner:
  • the first coding resolution mode corresponds to the foregoing first compression level determination mode, and the foregoing step 13 may include: determining, according to the value of the compression indication information, a modulation coding mode represented by the CQI compression level.
  • the preset CQI compression level indication information includes: setting a 1-bit reserved bit in the uplink control information, for example, an nth bit, for indicating compression indication information, if the nth bit is set to 0, the indication 15 represents 256QAM; When n bit is set to 1, it indicates that 15 represents 1024QAM.
  • a modulation coding mode can be uniquely determined according to the value of the compression indication information.
  • the CQI compression level 15 sent by the user equipment represents 1024QAM. That is, the user equipment requests the base station to configure a 1024QAM coding mode for it.
  • a second method for encoding and parsing, corresponding to the second compression level determining manner, and referring to FIG. 4 is a flowchart of another method for determining a modulation and encoding manner according to an exemplary embodiment.
  • the step 13 may include the following steps:
  • step 1301 the scrambling information in the uplink control information is descrambled according to a preset scrambling code, and the target scrambling code and the CQI compression level are determined;
  • the preset CQI compression level indication information may include: a correspondence between a CQI compression level, a modulation and coding mode, and a scrambling code information. Exemplarily, as shown in Table 2:
  • Table 2 exemplarily shows two modulation coding modes represented by a CQI compression level, and a scrambling code corresponding to each coding mode.
  • the foregoing preset CQI compression level indication information may further include: scrambling all information of the uplink control information or the preset part information, where the preset is
  • the partial information may be a field carrying a CQI compression level in the UCI, and the field includes at least 4 bit bits, and may also be other fields in the UCI.
  • the obtaining the CQI compression level includes the following two cases:
  • the CQI compression level is not included in the scrambling information.
  • the CQI compression level can be directly determined from the preset position of the uplink control information.
  • the scrambling information includes a CQI compression level.
  • the scrambling information is information obtained by scrambling information including a CQI compression level.
  • the scrambling information may be descrambled by using two preset scrambling codes as shown in Table 2, and the CQI compression level is obtained and the target scrambling code is determined.
  • step 1302 a modulation coding mode represented by the CQI compression level is determined according to the target scrambling code.
  • the query table 2 may determine that the modulation coding mode requested by the UE1 is 1024QAM.
  • a third coding resolution method, corresponding to the third compression level determination mode, and another method for determining a modulation coding mode according to an exemplary embodiment, the step 13 may include the following steps:
  • step 131 determining a target time-frequency resource location for acquiring the uplink control information
  • the preset CQI compression level indication information may be agreed that different modulation and coding modes corresponding to one CQI compression level are transmitted by using different specified uplink time-frequency resources.
  • the preset CQI compression level indication information includes: CQI compression. Level and two modulation and coding methods, The correspondence between the two kinds of frequency resource information, for example, can be as shown in Table 3:
  • step 132 a modulation coding mode represented by the CQI compression level is determined according to the target time-frequency resource location.
  • the base station obtains the compressed CQI level 15 through the carrier of 810 MHz, it can be known that the modulation coding mode requested by the user equipment UE1 is 1024QAM.
  • the compression level indication may also be performed by combining time-frequency resources.
  • the CQI compression level 15 corresponds to the four modulation coding modes, which are respectively represented as: code one, code two, code three, and code four
  • the preset CQI compression level indication information includes: CQI compression level and four modulation and coding modes.
  • the correspondence between the two frequency resources and the two time domain resources can be as shown in Table 4:
  • the base station may obtain frequency domain location information and time domain location information according to the CQI compression level. Look up Table 4 above to uniquely determine a modulation and coding method.
  • step 14 according to the modulation and demodulation mode, modulation coding configuration information is determined for the user equipment and sent to the user equipment.
  • the base station After obtaining the modulation and coding mode that is requested by the user equipment, the base station determines the modulation and coding configuration information for the user equipment, and sends the configuration information to the user equipment, so that the user equipment configures the modulation and demodulation mode according to the modulation and coding configuration information.
  • the foregoing modulation and coding configuration information includes at least: a device identifier of the user equipment, and a modulation and coding manner specified for the user equipment.
  • the base station specifies the modulation and coding mode for the user equipment
  • the base station may specify the modulation and coding mode for the user equipment according to the modulation and coding mode requested by the user equipment.
  • the modulation and coding mode requested by the user equipment may be used as a reference to allocate the user equipment.
  • a suitable modulation and coding method is
  • FIG. 6 is a flowchart of a method for determining a modulation and coding mode according to an exemplary embodiment. Before the foregoing step 11, the method may further include:
  • the CQI compression level configuration information is sent to the user equipment, where the CQI compression level configuration information includes: a CQI compression level, at least two modulation and coding modes corresponding to each of the CQI compression levels, and each The modulation and coding method is based on a CQI level compression indication method.
  • the CQI compression level configuration information includes: a CQI compression level and CQI compression level indication information of each CQI compression level.
  • the CQI compression level configuration information includes: CQI compression level indication information corresponding to each CQI compression level.
  • the above embodiments are only described in the case where only one CQI compression level 15 is included in the CQI table shown in Table 1.
  • the preset CQI compression level indication information represents CQI compression level indication information corresponding to the CQI compression level 15.
  • the present disclosure is not limited to the above.
  • Embodiments of the present disclosure are applicable to user equipment not storing before using CQI compression level for the first time.
  • CQI compression level configuration information In this case, although the user equipment supports the CQI level compression function, it does not store the CQI table including the CQI compression level, such as the new CQI table shown in Table 1 above, and each CQI compression level.
  • the indication information is the above-mentioned preset CQI compression level indication information.
  • the base station may send the new CQI table including the CQI compression level or the updated information of the new CQI table to the user equipment in the broadcast or unicast mode, so that the user equipment determines the downlink channel condition.
  • the CQI compression level can be used to request the base station to assign a higher order modulation coding mode to improve the throughput of the channel transmission data.
  • the base station may load the CQI compression level configuration information into the broadcast signaling, the upper layer RRC signaling, or the PDCCH (Physical Downlink Control Channel) signaling of the physical layer, and send the information to the user equipment.
  • the CQI compression level configuration information into the broadcast signaling, the upper layer RRC signaling, or the PDCCH (Physical Downlink Control Channel) signaling of the physical layer, and send the information to the user equipment.
  • PDCCH Physical Downlink Control Channel
  • the number of modulation coding modes represented by one compression level in the new CQI table is not limited to two, and may be multiple; correspondingly, the indication manner of the CQI compression level corresponding to each modulation coding mode may also be Expansion.
  • the base station after the method for determining the modulation and coding mode provided by the present disclosure, after acquiring the uplink control information, the base station first determines whether the CQI level included in the base station belongs to the CQI compression level; if yes, the base station can accurately analyze the CQI compression level according to the compression indication manner of the compression level.
  • a modulation coding method represented by a CQI compression level If the CQI level received by the base station does not belong to the compression level, the target modulation coding mode is determined based on the CQI level according to the related art.
  • the method for determining the modulation and coding mode provided by the present disclosure is used to effectively indicate the high-order modulation and coding mode by using the preset CQI compression level indication mode based on the CQI level specified by the related art.
  • the utility model effectively reduces the workload of the base station for analyzing the CQI feedback information, and can configure a higher-order modulation and demodulation mode for the user equipment, so that the channel transmission condition can be effectively increased, and the data transmission throughput can be effectively increased, and the 5G communication system is enhanced.
  • the data transmission efficiency of the user equipment improves the user experience of user equipment such as eMBB (enhanced Mobile Broad Band) devices.
  • the present disclosure further provides a method for determining a modulation and coding mode, which is applied to a user equipment, and a method for determining a modulation and coding mode according to an exemplary embodiment, which may include the following. step:
  • step 21 determining a modulation coding mode to be requested according to the measured downlink channel quality
  • the UE1 can determine the downlink channel quality according to the reception condition of the downlink reference signal. Specifically, the UE1 may query the preset CQI table according to the measured code rate and efficiency of the downlink reference signal, and determine the modulation coding mode to be requested. Exemplarily, it is assumed that the downlink signal rate determined by UE1 is xxx; the efficiency is x.xxxx; then the new CQI table shown in Table 1 above is queried, and the corresponding modulation and coding mode is: 1024QAM. Then, UE1 can determine 1024QAM as the modulation coding mode to be requested.
  • step 22 the preset CQI table is queried according to the to-be-requested modulation and coding mode, and the target CQI level is determined;
  • the UE1 queries the CQI table according to the determined modulation and coding mode: 1024QAM, and determines that the target CQI level is 15.
  • step 23 if the target CQI level belongs to a CQI compression level representing at least two modulation and coding modes, the CQI compression level is transmitted to the base station according to preset CQI compression level indication information.
  • the preset CQI table includes a CQI compression level
  • the CQI compression level refers to one CQI level that can represent two or more modulation and coding modes.
  • level 15 represents two modulation and coding modes, namely: 256QAM, 1024QAM, and level 15 belongs to the CQI compression level.
  • the user equipment needs to send the CQI level 15 to the base station according to the preset CQI compression level indication information.
  • the foregoing preset CQI compression level indication information is used to indicate the manner in which the CQI compression level is sent to explicitly inform the base station user equipment of the target modulation coding mode requested.
  • the preset CQI compression configuration information indicates that the user equipment can be used.
  • the CQI compression level is sent in at least one of the following ways:
  • the reserved bit value of the uplink control information is set to the value corresponding to the to-be-requested modulation and coding mode, and is sent to the base station;
  • the base station and the user equipment pre-approve: setting a reserved bit in the uplink control information, indicating that the uplink control information includes a CQI compression level; and explicitly indicating various modulation and coding modes according to the value of the reserved bit. .
  • the number of bits of the reserved bit is determined according to the number of modulation and coding modes represented by the CQI compression level. Still taking the compression level 15 in the above new CQI table as an example, since the compression level 15 represents two modulation and coding modes, one reserved bit can be used to indicate different modulation and coding modes. For example, when the reserved bit is set to 0, it represents 256QAM; when the reserved bit is set to 1, it represents 1024QAM. Similarly, if a CQI compression level represents four modulation and coding modes, two reserved bit bits can be used in the uplink control information to indicate different modulation and coding modes.
  • the uplink control information sent by the UE1 to the base station includes a CQI compression level 15 and a reserved bit, and the value of the one reserved bit is 0.
  • the uplink control information is scrambled by using the scrambling code corresponding to the to-be-requested modulation and coding mode, and the scrambled uplink control information is sent to the base station;
  • the base station and the user equipment may pre-determine: use the information scrambling manner to indicate that the uplink control information includes the CQI compression level, and use different scrambling codes to explicitly indicate various modulation and coding modes represented by the CQI compression level.
  • the compression level 15 in the above new CQI table is still taken as an example. Since the compression level 15 represents two modulation and coding modes, two types of scrambling codes can be used to indicate different modulation and coding modes, as shown in Table 2.
  • the uplink control information sent by the UE1 to the base station includes a CQI compression level of 15 and includes scrambling information obtained by scrambling the scrambled code 2.
  • the uplink control information including the CQI compression level to the base station
  • the base station and the user equipment may agree in advance that the CQI compression level is transmitted by using time-frequency resources of different locations to explicitly indicate various modulation and coding modes represented by the CQI compression level.
  • one CQI compression level represents two modulation and coding modes
  • two frequency resources within the frequency bandwidth can be specified, and the uplink control information is separately transmitted to explicitly indicate the two modulation and coding modes represented by the CQI compression level.
  • the UE1 is taken as an example, and the bandwidth of the UE1 is 10 MHz, and the corresponding frequency band is 800 MHz to 810 MHz.
  • the modulation and coding mode to be requested is 256QAM
  • the uplink control information is transmitted by using a carrier of 800 MHz
  • the modulation coding mode is 1024QAM, and the uplink control information is sent through a carrier of 810 MHz.
  • the uplink control information is transmitted by using a carrier of 810 MHz.
  • time domain resources are used to send uplink control information, or in a case where a CQI compression level represents more types of modulation and coding modes, a combination of time domain and frequency domain is used to clearly indicate a CQI compression. Levels represent different modulation and coding methods.
  • FIG. 8 is a flowchart of a method for determining a modulation and coding mode according to an exemplary embodiment. On the basis of the embodiment shown in FIG. 7, the method may further include:
  • the CQI compression level configuration information is obtained, where the CQI compression configuration information includes: a CQI compression level, at least two modulation and coding modes represented by each of the CQI compression levels, and corresponding to each of the modulation and coding modes. CQI compression level representation.
  • the CQI compression level configuration information includes: one or more CQI compression levels, and CQI level compression indication information corresponding to each CQI compression level.
  • the above step 20 can be set before step 21 or step 22.
  • the user equipment belongs to a device that supports the CQI level compression function, the CQI table including the compression level and the CQI compression level indication information are not obtained. In this case, if the user equipment needs to request a high-order modulation and coding mode represented by a CQI compression level, the user equipment needs to obtain the CQI compression configuration information first, and then perform the above step 23 or steps 21-23.
  • the present disclosure also provides an application function implementation apparatus and an embodiment of the corresponding terminal.
  • FIG. 9 is a block diagram of a device for determining a modulation and coding manner, which is disposed in a base station, and the device may include:
  • the obtaining module 31 is configured to acquire uplink control information sent by the user equipment, where the uplink control information includes at least: a channel quality indicator CQI level;
  • the determining module 32 is configured to determine whether the CQI level belongs to a CQI compression level that represents at least two modulation and coding modes;
  • the coding mode determining module 33 is configured to determine, according to the preset CQI compression level indication information, a modulation and coding mode represented by the CQI compression level, if the CQI level belongs to the CQI compression level;
  • the preset CQI compression level indication information includes: a correspondence between the CQI compression level and at least two modulation and coding modes, and a CQI compression level representation manner corresponding to each of the modulation and coding modes.
  • the sending module 34 is configured to determine, according to the modulation and coding mode, modulation modulation configuration information for the user equipment and send the configuration information to the user equipment.
  • the device may further include:
  • the configuration information sending module 30 is configured to send CQI compression level configuration information to the user equipment
  • the CQI compression level configuration information includes: a CQI compression level, at least two modulation and coding modes represented by each of the CQI compression levels, and a CQI compression level representation manner corresponding to each of the modulation and coding modes.
  • the uplink control information acquired by the obtaining module 31 further includes: a device identifier of the user equipment.
  • FIG. 11 is a block diagram of another apparatus for determining a modulation and coding manner according to an exemplary embodiment of the present invention. Based on the apparatus embodiment shown in FIG. 9, the determining module 32 may include:
  • the first determining sub-module 321 is configured to determine, according to the device identifier of the user equipment, whether the user equipment supports a CQI level compression function;
  • the second determining sub-module 322 is configured to determine, according to the preset CQI compression level indication information, whether the CQI level belongs to a CQI compression level, if the user equipment supports the CQI level compression function.
  • the coding mode determining module 33 may include: a compression level determining submodule 331. And encoding mode parsing sub-module 332.
  • the compression level determining sub-module 331 is configured to determine a CQI compression level; the encoding mode analysis sub-module 332 is configured to parse a modulation and coding mode represented by the CQI level.
  • the compression level determination sub-module 331 may include any of the following compression level determinations. Submodule:
  • the first compression level determining unit 3311 is configured to: if the received uplink control information includes preset compression indication information, determine that the CQI level in the uplink control information belongs to a CQI compression level;
  • a second compression level determining unit 3312 configured to include in the uplink control information Presetting the scrambling information, determining that the CQI level in the uplink control information belongs to a CQI compression level;
  • the third compression level determining unit 3313 is configured to determine that the CQI level in the uplink control information belongs to a CQI compression level if the uplink control information is received by using a preset uplink time-frequency resource.
  • FIG. 14 is a block diagram of another apparatus for determining a modulation and coding mode according to an exemplary embodiment.
  • the coding mode parsing sub-module 332 may include:
  • the first coding determining unit 3321 is configured to determine a modulation and coding mode represented by the CQI compression level according to the value of the compression indication information.
  • FIG. 15 is a block diagram of another apparatus for determining a modulation and coding mode according to an exemplary embodiment.
  • the coding mode parsing sub-module 332 may include:
  • the scrambling code determining unit 3322 is configured to descramble the scrambling information in the uplink control information according to a preset scrambling code, and determine a target scrambling code and a CQI compression level;
  • the second code determining unit 3323 is configured to determine a modulation and coding mode represented by the CQI compression level according to the target scrambling code.
  • FIG. 16 is a block diagram of another apparatus for determining a modulation and coding mode according to an exemplary embodiment.
  • the coding mode parsing sub-module 332 may include:
  • the location determining unit 3324 is configured to determine a target time-frequency resource location for acquiring the uplink control information
  • the third coding determining unit 3325 is configured to determine a modulation and coding mode represented by the CQI compression level according to the target time-frequency resource location.
  • FIG. 17 is a block diagram of a device for determining a modulation and coding manner, which is provided in a user equipment, and the device may include:
  • the coding mode requesting module 41 is configured to determine a modulation coding mode to be requested according to the measured downlink channel quality
  • the CQI level determining module 42 is configured to query the preset channel quality indicator CQI table according to the to-be-requested modulation and coding mode to determine a target CQI level;
  • the CQI level sending module 43 is configured to: when the target CQI level belongs to a CQI compression level that represents at least two modulation and coding modes, send the CQI compression level to the base station according to preset CQI compression level indication information, so that The base station configures a modulation and coding mode for the user equipment according to the CQI compression level.
  • FIG. 18 is a block diagram of another apparatus for determining a modulation and coding mode according to an exemplary embodiment.
  • the CQI level sending module 43 may include:
  • the first sending sub-module 431 is configured to set a reserved bit value of the uplink control information to a value corresponding to the to-be-requested modulation and coding mode, and send the same to the base station together with the CQI compression level;
  • the second sending sub-module 432 is configured to use the scrambling code corresponding to the to-be-requested modulation and coding mode to scramble the uplink control information, and then send the uplink control information to the base station;
  • the third sending submodule 433 is configured to send the uplink control information to the base station by using a target uplink time-frequency resource specified for the to-be-requested modulation and coding mode;
  • the uplink control information includes a CQI compression level.
  • FIG. 19 is a block diagram of another apparatus for determining a modulation and coding manner according to an exemplary embodiment.
  • the apparatus may further include:
  • the configuration information obtaining module 40 is configured to acquire CQI compression level configuration information, where the CQI compression configuration information includes: a CQI compression level, at least two modulation and coding modes represented by each of the CQI compression levels, and each of the modulations.
  • the CQI compression level representation corresponding to the encoding method.
  • the device embodiment since it basically corresponds to the method embodiment, reference may be made to the partial description of the method embodiment.
  • 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, ie may be located A place, or it can be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the objectives of the present disclosure. Those of ordinary skill in the art can understand and implement without any creative effort.
  • an apparatus for determining a modulation and coding manner comprising:
  • a memory for storing processor executable instructions
  • processor is configured to:
  • the uplink control information includes at least: a channel quality indicator CQI level;
  • the CQI level belongs to the CQI compression level, determining a modulation and coding mode represented by the CQI compression level according to preset CQI compression level indication information;
  • the preset CQI compression level indication information includes: a correspondence between the CQI compression level and at least two modulation and coding modes, and a CQI compression level representation manner corresponding to each of the modulation and coding modes.
  • an apparatus for determining a modulation and coding scheme comprising:
  • a memory for storing processor executable instructions
  • processor is configured to:
  • the target CQI level belongs to a CQI compression level that represents at least two modulation and coding modes
  • FIG. 20 is a schematic structural diagram of an apparatus 2000 for determining a modulation and coding manner, according to an exemplary embodiment.
  • Apparatus 2000 can be provided as a base station.
  • apparatus 2000 includes a processing component 2022, a wireless transmit/receive component 2024, an antenna component 2026, and a signal processing portion specific to the wireless interface.
  • Processing component 2022 can further include one or more processors.
  • One of the processing components 2022 can be configured to:
  • the uplink control information includes at least: a channel quality indicator CQI level;
  • the CQI level belongs to the CQI compression level, determining a modulation and coding mode represented by the CQI compression level according to preset CQI compression level indication information;
  • the preset CQI compression level indication information includes: a correspondence between the CQI compression level and at least two modulation and coding modes, and a CQI compression level representation manner corresponding to each of the modulation and coding modes.
  • non-transitory computer readable storage medium comprising instructions stored thereon with computer instructions executable by processing component 2022 of apparatus 2000 to perform any of Figures 1-6
  • the method of determining a modulation coding mode may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
  • FIG. 21 is a schematic structural diagram of an apparatus 2100 for determining a modulation and coding manner according to an exemplary embodiment.
  • the device 2100 may be a terminal, and may specifically be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, a wearable device such as a smart watch, smart glasses. Intelligence Bracelets, smart running shoes, etc.
  • device 2100 can include one or more of the following components: processing component 2102, memory 2104, power component 2106, multimedia component 2108, audio component 2110, input/output (I/O) interface 2112, sensor component 2114, And a communication component 2116.
  • Processing component 2102 typically controls the overall operation of device 2100, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • Processing component 2102 can include one or more processors 2120 to execute instructions to perform all or part of the steps described above.
  • processing component 2102 can include one or more modules to facilitate interaction between component 2102 and other components.
  • the processing component 2102 can include a multimedia module to facilitate interaction between the multimedia component 2108 and the processing component 2102.
  • the memory 2104 is configured to store various types of data to support operation at the device 2100. Examples of such data include instructions for any application or method operating on device 2100, contact data, phone book data, messages, pictures, videos, and the like.
  • the memory 2104 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Disk Disk or Optical Disk.
  • Power component 2106 provides power to various components of device 2100.
  • Power component 2106 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for device 2100.
  • the multimedia component 2108 includes a screen between the above-described device 2100 and the user that provides an output interface.
  • the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor described above may sense not only the boundary of the touch or slide action but also the duration and pressure associated with the touch or slide operation described above.
  • the multimedia component 2108 includes a front camera and/or a rear camera. When device 2100 is in operation The front camera and/or rear camera can receive external multimedia data in modes such as shooting mode or video mode. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 2110 is configured to output and/or input an audio signal.
  • the audio component 2110 includes a microphone (MIC) that is configured to receive an external audio signal when the device 2100 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
  • the received audio signal may be further stored in memory 2104 or transmitted via communication component 2116.
  • the audio component 2110 also includes a speaker for outputting an audio signal.
  • the I/O interface 2112 provides an interface between the processing component 2102 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.
  • Sensor assembly 2114 includes one or more sensors for providing a status assessment of various aspects to device 2100.
  • the sensor assembly 2114 can detect an open/closed state of the device 2100, the relative positioning of the components, such as the display and the keypad of the device 2100, and the sensor assembly 2114 can also detect a change in position of a component of the device 2100 or device 2100, The presence or absence of user contact with device 2100, device 2100 orientation or acceleration/deceleration and temperature change of device 2100.
  • Sensor assembly 2114 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 2114 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 2114 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 2116 is configured to facilitate wired or wireless communication between device 2100 and other devices.
  • the device 2100 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
  • communication component 2116 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
  • the communication component 2116 described above also includes a near field communication (NFC) module to facilitate short range communication.
  • NFC near field communication
  • the NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, super Broadband (UWB) technology, Bluetooth (BT) technology and other technologies to achieve.
  • RFID radio frequency identification
  • IrDA Infrared Data Association
  • UWB super Broadband
  • Bluetooth Bluetooth
  • device 2100 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • non-transitory computer readable storage medium comprising instructions, such as a memory 2104 comprising instructions executable by processor 2120 of apparatus 2100 to perform the method of determining modulation coding described above .
  • the non-transitory computer readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.

Abstract

本公开提供一种确定调制编码方式的方法及装置,其中上述方法包括:获取用户设备发送的上行控制信息,上行控制信息至少包括:信道质量指示CQI等级;判断述CQI等级是否属于代表至少两种调制编码方式的CQI压缩等级;若CQI等级属于CQI压缩等级,根据预设CQI压缩等级指示信息确定CQI压缩等级代表的一种调制编码方式;根据调制编码方式,为用户设备确定调制编码配置信息并发送给用户设备。采用本公开提供的确定调制编码方式的方法,可以基于相关CQI等级为用户设备配置更高阶调制编码方式,减少解析调制编码方式的计算量。

Description

确定调制编码方式的方法及装置 技术领域
本公开涉及通信技术领域,尤其涉及一种确定调制编码方式的方法及装置。
背景技术
在LTE(Long Term Evolution,长期演进)系统中,基站需要根据用户设备反馈的CQI(channel quality indication,信道质量指示)信息确定信道条件,然后根据信道条件为用户设备配置合适的调制编码方式。相关技术中,UE在上行控制信令中、以4bit位数据表示的0~15任一CQI等级来反馈下行信道质量。其中,在CQI表格中,上述CQI等级共反映四种调制编码方式的信道质量:QPSK、16QAM、64QAM、256QAM。
随着无线通信技术的发展,移动通信网络逐渐向5G网络演进。5G网络在数据传输速率、覆盖、时延、容量等方面的能力有很大提升。在信道条件较好的情况下,基站可以为用户设备配置更高阶的调制编码方式如1024QAM、2048QAM等,以提高信道的数据传输吞吐量。在增加调制编码方式的情况下,如果仍采用上述16种CQI等级反映信道条件,势必增大单个等级的信道条件反映粒度,导致原有编码方式对应信道质量的反馈精度降低,进而降低调制编码方式确定的准确性。
发明内容
为克服相关技术中存在的问题,本公开实施例提供一种确定调制编码方式的方法及装置,以基于相关CQI等级为用户设备配置更高阶调制编码方式。
根据本公开实施例的第一方面,提供了一种确定调制编码方式的方法,应用于基站中,所述方法包括:
获取用户设备发送的上行控制信息,所述上行控制信息至少包括:信道质量指示CQI等级;
判断所述CQI等级是否属于代表至少两种调制编码方式的CQI压缩等级;
若所述CQI等级属于所述CQI压缩等级,根据预设CQI压缩等级指示信息确定所述CQI压缩等级代表的一种调制编码方式;
根据所述调制编码方式,为所述用户设备确定调制编码配置信息并发送给所述用户设备;
其中,所述预设CQI压缩等级指示信息包括:所述CQI压缩等级与至少两种调制编码方式的对应关系,以及每一种所述调制编码方式对应的CQI压缩等级表示方式。
可选地,在所述获取用户设备发送的上行控制信息之前,所述方法还包括:
向所述用户设备发送CQI压缩等级配置信息;
其中,所述CQI压缩等级配置信息包括:CQI压缩等级、每个所述CQI压缩等级代表的至少两种调制编码方式、每一种所述调制编码方式对应的CQI压缩等级表示方式。
可选地,所述上行控制信息还包括:所述用户设备的设备标识,
所述判断所述CQI等级是否属于代表至少两种调制编码方式的CQI压缩等级,包括:
根据所述用户设备的设备标识,判断所述用户设备是否支持CQI等级压缩功能;
若所述用户设备支持所述CQI等级压缩功能,根据所述预设CQI压缩等级指示信息判断所述CQI等级是否属于CQI压缩等级。
可选地,采用以下任一方式确定所述CQI等级属于CQI压缩等级:
若接收到的上行控制信息中包括预设压缩指示信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级;
若所述上行控制信息中包含预设加扰信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级;
若通过预设上行时频资源接收所述上行控制信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级。
可选地,所述根据预设CQI压缩等级指示信息,确定所述CQI压缩等级代表的一种调制编码方式,包括:
根据所述压缩指示信息的数值,确定所述CQI压缩等级代表的一种调制编码方式。
可选地,所述根据预设CQI压缩等级指示信息,确定所述CQI压缩等级代表的一种调制编码方式,包括:
按照预设扰码对所述上行控制信息中的加扰信息进行解扰,确定目标扰码和CQI压缩等级;
根据所述目标扰码确定所述CQI压缩等级代表的一种调制编码方式。
可选地,所述根据预设CQI压缩等级指示信息,确定所述CQI压缩等级代表的一种调制编码方式,包括:
确定获取所述上行控制信息的目标时频资源位置;
根据所述目标时频资源位置确定所述CQI压缩等级代表的一种调制编码方式。
根据本公开实施例的第二方面,提供了一种确定调制编码方式的方法,应用于用户设备中,所述方法包括:
根据测量的下行信道质量确定待请求调制编码方式;
根据所述待请求调制编码方式查询预设CQI表格,确定目标CQI等级;
若所述目标CQI等级属于代表至少两种调制编码方式的CQI压缩等级,按照预设CQI压缩等级指示信息向基站发送所述CQI压缩等级,以使所述基站根据所述CQI压缩等级为所述用户设备配置一种调制编码方式。
可选地,按照预设CQI压缩等级指示信息,采用以下任一方式向基站发送所述CQI压缩等级:
将上行控制信息的预留位数值设置为所述待请求调制编码方式对应的数值,发送给所述基站;
使用所述待请求调制编码方式对应的扰码对所述上行控制信息进行加扰后,发送给所述基站;
使用为所述待请求调制编码方式指定的目标上行时频资源,将所述上行控制信息发送给所述基站;
其中,所述上行控制信息包括CQI压缩等级。
可选地,所述方法还包括:
获取CQI压缩等级配置信息,所述CQI压缩配置信息包括:CQI压缩等级、每个所述CQI压缩等级代表的至少两种调制编码方式、每一种所述调制编码方式对应的CQI压缩等级表示方式。
根据本公开实施例的第三方面,提供了一种确定调制编码方式的装置,设置于基站中,所述装置包括:
UCI获取模块,被配置为获取用户设备发送的上行控制信息UCI,所述上行控制信息中至少包括:信道质量指示CQI等级;
判断模块,被配置为判断所述CQI等级是否属于代表至少两种调制编码方式的CQI压缩等级;
编码方式确定模块,被配置为若所述CQI等级属于所述CQI压缩等级,
根据预设CQI压缩等级指示信息,确定所述CQI压缩等级代表的一种调制编码方式;
发送模块,被配置为根据所述调制编码方式,为所述用户设备确定调制编码配置信息并发送给所述用户设备;
其中,所述预设CQI压缩等级指示信息包括:所述CQI压缩等级与至少两种调制编码方式的对应关系,以及每一种所述调制编码方式对应的 CQI压缩等级表示方式。
可选的,所述装置还包括:
配置信息发送模块,被配置为向所述用户设备发送CQI压缩等级配置信息;
其中,所述CQI压缩等级配置信息包括:CQI压缩等级、每个所述CQI压缩等级代表的至少两种调制编码方式、每一种所述调制编码方式对应的CQI压缩等级表示方式。
可选的,所述上行控制信息还包括:所述用户设备的设备标识;所述判断模块包括:
第一判断子模块,被配置为根据所述用户设备的设备标识,判断所述用户设备是否支持CQI等级压缩功能;
第二判断子模块,被配置为若所述用户设备支持所述CQI等级压缩功能,根据所述预设CQI压缩等级指示信息判断所述CQI等级是否属于CQI压缩等级。
可选的,所述编码方式确定模块包括以下任一压缩等级确定单元:
第一压缩等级确定单元,被配置为若接收到的上行控制信息中包括预设压缩指示信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级;
第二压缩等级确定单元,被配置为若所述上行控制信息中包含预设加扰信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级;
第三压缩等级确定单元,被配置为若通过预设上行时频资源接收所述上行控制信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级。
可选的,所述编码方式确定模块还包括:
第一编码确定单元,被配置为根据所述压缩指示信息的数值,确定所述CQI压缩等级代表的一种调制编码方式。
可选的,所述编码方式确定模块还包括:
扰码确定单元,被配置为按照预设扰码对所述上行控制信息中的加 扰信息进行解扰,确定目标扰码和CQI压缩等级;
第二编码确定单元,被配置为根据所述目标扰码确定所述CQI压缩等级代表的一种调制编码方式。
可选的,所述编码方式确定模块还包括:
位置确定单元,被配置为确定获取所述上行控制信息的目标时频资源位置;
第三编码确定单元,被配置为根据所述目标时频资源位置确定所述CQI压缩等级代表的一种调制编码方式。
根据本公开实施例的第四方面,提供了一种确定调制编码方式的装置,其特征在于,设置于用户设备中,所述装置包括:
编码方式请求模块,被配置为根据测量的下行信道质量确定待请求调制编码方式;
CQI等级确定模块,被配置为根据所述待请求调制编码方式查询预设信道质量指示CQI表格,确定目标CQI等级;
CQI等级发送模块,被配置为在所述目标CQI等级属于代表至少两种调制编码方式的CQI压缩等级的情况下,按照预设CQI压缩等级指示信息向基站发送所述CQI压缩等级,以使所述基站根据所述CQI压缩等级为所述用户设备配置一种调制编码方式。
可选的,所述CQI等级发送模块包括:
第一发送子模块,被配置为将上行控制信息的预留位数值设置为所述待请求调制编码方式对应的数值,发送给所述基站;
第二发送子模块,被配置为使用所述待请求调制编码方式对应的扰码对所述上行控制信息进行加扰后,发送给所述基站;
第三发送子模块,被配置为使用为所述待请求调制编码方式指定的目标上行时频资源,将所述上行控制信息发送给所述基站;
其中,所述上行控制信息包括CQI压缩等级。
可选的,所述装置还包括:
配置信息获取模块,被配置为获取CQI压缩等级配置信息,所述CQI压缩配置信息包括:CQI压缩等级、每个所述CQI压缩等级代表的至少两种调制编码方式、每一种所述调制编码方式对应的CQI压缩等级表示方式。
根据本公开实施例的第五方面,提供了一种非临时性计算机可读存储介质,其上存储有计算机指令,该指令被处理器执行时实现上述第一方面任一所述方法的步骤。
根据本公开实施例的第六方面,提供了一种非临时性计算机可读存储介质,其上存储有计算机指令,该指令被处理器执行时实现上述第二方面任一所述方法的步骤。
根据本公开实施例的第七方面,提供了一种确定调制编码方式的装置,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为:
获取用户设备发送的上行控制信息,所述上行控制信息中至少包括:信道质量指示CQI等级;
判断所述CQI等级是否属于代表至少两种调制编码方式的CQI压缩等级;
若所述CQI等级属于所述CQI压缩等级,根据预设CQI压缩等级指示信息确定所述CQI压缩等级代表的一种调制编码方式;
根据所述调制编码方式,为所述用户设备确定调制编码配置信息并发送给所述用户设备;
其中,所述预设CQI压缩等级指示信息包括:所述CQI压缩等级与至少两种调制编码方式的对应关系,以及每一种所述调制编码方式对应的CQI压缩等级表示方式。
根据本公开实施例的第八方面,提供了一种确定调制编码方式的装置,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为:
根据测量的下行信道质量确定待请求调制编码方式;
根据所述待请求调制编码方式查询预设CQI表格,确定目标CQI等级;
若所述目标CQI等级属于代表至少两种调制编码方式的CQI压缩等级,按照预设CQI压缩等级指示信息向基站发送所述CQI压缩等级,以使所述基站根据所述CQI压缩等级为所述用户设备配置一种调制编码方式。
本公开的实施例提供的技术方案可以包括以下有益效果:
本公开实施例中,基站在获取到用户设备发送的上行控制信息后,首先判断该上行控制信息中包含的CQI等级是否属于CQI压缩等级;若是,可以根据该压缩等级的压缩指示方式,准确解析该CQI压缩等级代表的一种调制编码方式。若基站接收的CQI等级不属于压缩等级,则根据相关技术基于CQI等级确定目标调制编码方式。由于基站接收到CQI压缩等级的几率相对较少,因此,采用本公开提供的确定调制编码方式的方法,基于相关技术规定的CQI等级,通过预设CQI压缩等级指示方式有效指示高阶调制编码方式,在不增加基站解析CQI反馈信息的计算量以及不降低常规CQI等级反映调制编码方式精度的基础上,可以为用户设备配置更高阶调制解调方式,从而在信道条件较好的情况下,有效增加数据传输吞吐量,增强5G通信系统中用户设备的数据传输效率,提升用户设备的用户体验。
应当理解的是,以上的一般描述和后文的细节描述仅是示例性和解释性的,并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分,示出了符合本发明的实施例,并与说明书一起用于解释本发明的原理。
图1是本公开根据一示例性实施例示出的一种确定调制编码方式的方法流程图。
图2是本公开根据一示例性实施例示出的另一种确定调制编码方式的方法流程图。
图3是本公开根据一示例性实施例示出的另一种确定调制编码方式的方法流程图。
图4是本公开根据一示例性实施例示出的另一种确定调制编码方式的方法流程图。
图5是本公开根据一示例性实施例示出的另一种确定调制编码方式的方法流程图。
图6是本公开根据一示例性实施例示出的另一种确定调制编码方式的方法流程图。
图7是本公开根据一示例性实施例示出的一种确定调制编码方式的方法流程图。
图8是本公开根据一示例性实施例示出的另一种确定调制编码方式的方法流程图。
图9是本公开根据一示例性实施例示出的一种确定调制编码方式的装置框图。
图10是本公开根据一示例性实施例示出的另一种确定调制编码方式的装置框图。
图11是本公开根据一示例性实施例示出的另一种确定调制编码方式的装置框图。
图12是本公开根据一示例性实施例示出的另一种确定调制编码方式的装置框图。
图13是本公开根据一示例性实施例示出的另一种确定调制编码方式的装置框图。
图14是本公开根据一示例性实施例示出的另一种确定调制编码方式的装置框图。
图15是本公开根据一示例性实施例示出的另一种确定调制编码方式的装置框图。
图16是本公开根据一示例性实施例示出的一种确定调制编码方式 的装置框图。
图17是本公开根据一示例性实施例示出的另一种确定调制编码方式的装置框图。
图18是本公开根据一示例性实施例示出的另一种确定调制编码方式的装置框图。
图19是本公开根据一示例性实施例示出的另一种确定调制编码方式的装置框图。
图20是本公开根据一示例性实施例示出的一种用于确定调制编码方式的装置的一结构示意图。
图21是本公开根据一示例性实施例示出的一种用于确定调制编码方式的装置的一结构示意图。
具体实施方式
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明相一致的所有实施方式。相反,它们仅是与如所附权利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。
在本公开使用的术语是仅仅出于描述特定实施例的目的,而非旨在限制本公开。在本公开和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。还应当理解,本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解,尽管在本公开可能采用术语第一、第二、第三等来描述各种信息,但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如,在不脱离本公开范围的情况下,第一信息也可以被称为第二信息,类似地,第二信息也可以被称为第一信息。取决于语境, 如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
本公开提供的技术方案适用于5G及以上通信网络的LTE系统中。本公开涉及的执行主体包括:基站和用户设备(User Equipment,UE),其中,基站用于可以是设置有大规模天线阵列的基站、子基站等。用户设备UE可以是用户终端、用户节点、移动终端或平板电脑等。在具体实现过程中,基站和用户设备各自独立,同时又相互联系,共同实现本公开提供的技术方案。
本公开应用场景中,基站可以为用户设备配置的调制编码方式不局限于:QPSK、16QAM、64QAM、256QAM四种调制编码方式,还包括:1024QAM、2048QAM等更高阶调制编码方式。为了不增加CQI等级占用数据量,仍采用4bit的数值0~15来量化信道质量,并准确为用户设备分配合适的调制编码方式,尤其是更高阶的调制编码方式。
基于上述应用场景,本公开提供了一种确定调制编码方式的方法,应用于基站中。参照图1根据一示例性实施例示出的一种确定调制编码方式的方法流程图,所述方法可以包括以下步骤:
在步骤11中,获取用户设备发送的上行控制信息,所述上行控制信息至少包括:CQI等级;
以5G网络的LTE系统为例,基站需要根据用户设备上报的、量化信道质量的CQI等级,确定下行信道条件,从而为用户设备配置合适的调制编码方式。
在LTE系统中,用户设备通过UCI(Uplink Control Information,上行控制信息)向基站发送量化表示下行信道质量的CQI等级。具体地,通过上行控制信令中的4个bit位表示0~15等级。
在步骤12中,判断所述CQI等级是否属于代表至少两种调制编码方式的CQI压缩等级;
根据上述上行控制信令的结构,基站可以根据上行控制信令中预设 4个bit位的信息判断其代表的CQI等级是否属于CQI压缩等级。
本公开实施例中,将可以代表至少两种调制编码方式的CQI等级称为CQI压缩等级。将包括CQI压缩等级的CQI表格称为新CQI表格。
示例性的,上述新CQI表格可以如表一所示:
Figure PCTCN2017081685-appb-000001
表一
表一中,CQI等级15属于CQI压缩等级,可以代表两种调制编码方式:256QAM和1024QAM。
在本公开另一实施例中,基站接收的上行控制信息中还可以包括:用户设备的设备标识。
鉴于用户设备并不一定支持CQI等级压缩功能,如5G设备支持CQI等级压缩功能,而3G、4G设备并不支持CQI等级压缩功能,在基站同时与3G、4G、5G用户设备进行通信的场景中,基站可以首先通过用户设备的设备标识排除不包括CQI压缩等级的部分情况,以加快检测CQI压缩等级的效率。
参照图2根据一示例性实施例示出的另一种确定调制编码方式的方法流程图,上述步骤12可以包括:
在步骤121中,根据所述用户设备的设备标识,判断所述用户设备是否支持CQI等级压缩功能;若支持,执行后续步骤122;若否,按照相关技术解析调制编码方式。
本公开实施例中,基站中可以预设有用户设备的设备标识与等级压缩功能指示信息的对应关系;因此,基站可以根据用户设备的设备标识确定该用户设备是否支持等级压缩功能。其中,上述用户设备的设备标识可以是表示当前网络制式的信息,上述网络制式包括:3G、4G、5G等。
由于3G、4G用户设备不支持CQI等级压缩功能,因此,当基站确定用户设备为3G或4G用户设备时,判定该设备不支持等级压缩功能,则可准确判定上行控制信息中不包括CQI压缩等级。
若根据用户设备标识判定当前用户设备属于5G用户设备,则可确定该用户设备支持等级压缩功能。
在步骤122中,根据所述预设CQI压缩等级指示信息,判断所述CQI等级是否属于CQI压缩等级。
本公开实施例,即便步骤121确定当前用户设备支持CQI等级压缩功能,由于下行信道质量的不同,用户设备反馈的CQI等级也不一定是CQI压缩等级。这是因为:越高阶的调制编码方式对信道质量要求也越高。一般情况下,表一所示的256QAM及其以上的调制编码方式只能在小基站或室内场景这样的干扰较少的场景中局部的出现。而宏网络中更多的还是采用QPSK、16QAM这样的中等调制编码方式。也就是说,用户设备请求 使用表一中15级代表的高阶调制编码方式1024QAM的几率是较小的。
因此,在确定用户设备如5G设备支持CQI等级压缩功能的情况下,基站仍需要进一步判断所述CQI等级是否属于CQI压缩等级。
本公开实施例中,在上述步骤12或步骤122中,基站可以根据预设CQI压缩等级指示信息,采用以下至少一种方式确定用户设备发送的所述CQI等级属于CQI压缩等级:
其中,预设CQI压缩等级指示信息用于指示上行控制信息中包含CQI压缩等级。所述预设CQI压缩等级指示信息包括:所述CQI压缩等级与至少两种调制编码方式的对应关系,以及每一种所述调制编码方式对应的CQI压缩等级表示方式。
第一压缩等级确定方式,若接收到的上行控制信息中包括预设压缩指示信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级。
参照图3根据一示例性实施例示出的另一种确定调制编码方式的方法流程图,上述步骤12可以包括:
在步骤1201中,获取上行控制信息包含的目标CQI等级;
基站可以根据预设上行控制信息的结构,从上行控制信令的预设字段解析出目标CQI等级。
在步骤1202中,判断所述上行控制信息是否还包含预设压缩指示信息;若是,执行下述步骤1203;若否,判定所述目标CQI等级属于常规CQI等级,按照相关技术解析对应的调制解码方式。
本公开实施例中,用户设备发送的上行控制信息中除了包括:CQI等级,还可以包括用于指示所述CQI等级属于CQI压缩等级的预设压缩指示信息。例如,上述预设压缩指示信息可以是上行控制信令中设置的预留位;比如,上行控制信令中的第n bit位。若上行控制信令中未设置第n bit位,判定该上行控制信息包含的CQI等级属于常规CQI等级。反之,执行执行步骤1203;
在步骤1203中,确定所述目标CQI等级属于CQI压缩等级。
如上示例,若基站发现上行控制信令中设置有预设预留位,比如,第n bit,可以确定该上行控制信息中包含的目标CQI等级属于CQI压缩等级。
第二压缩等级确定方式,若所述上行控制信息中包含加扰信息,确定所述控制信息中的CQI等级属于CQI压缩等级。
在本公开另一实施例中,上述预设CQI压缩等级指示信息可以指示对上行控制信息的部分信息或全部信息进行加扰,以指示该上行控制信息中包含CQI压缩等级。
基站在获取到上行控制信息之后,若发现其包含加扰信息,则可以确定该上行控制信息中包含CQI压缩等级。
第三压缩等级确定方式,若通过预设上行时频资源接收所述上行控制信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级。
在本公开另一实施例中,上述预设CQI压缩等级指示信息可以指示用户设备利用指定时频资源发送上行控制信息,以指示该上行控制信息中包含CQI压缩等级。若基站是通过指定位置的时频资源位置获取到所述上行控制信息,可以确定该上行控制信息中包含CQI压缩等级。
在步骤13中,若所述CQI等级属于所述CQI压缩等级,根据预设CQI压缩等级指示信息,确定所述CQI压缩等级代表的一种调制编码方式;
本公开实施例中,基站在确定上行控制信息包含的CQI等级属于CQI压缩等级之后,由于上述CQI压缩等级信息中包括:每一种所述调制编码方式对应的CQI压缩等级表示方式,因此,可以根据上述预设压缩等级指示信息确定上述CQI压缩等级代表哪一种调制编码方式。
本公开中,基站可以采用以下至少一种编码解析方式,解析所述CQI压缩等级代表的调制编码方式:
第一种编码解析方式,对应上述第一压缩等级确定方式,上述步骤13可以包括:根据所述压缩指示信息的数值,确定所述CQI压缩等级代表的一种调制编码方式。
如上述表一所示,假设CQI压缩等级为15级,该压缩等级15对应两种调制编码方式,分别为:256QAM和1024QAM。上述预设CQI压缩等级指示信息包括:在上行控制信息中设置1bit预留位,比如第n bit,用于表示压缩指示信息,若所述第n bit置为0,指示15代表256QAM;若第n bit置为1,则指示15代表1024QAM。
因此,基站根据步骤1201获取上行控制信息中包含的目标CQI等级之后,比如15级,可以根据所述压缩指示信息的数值,唯一确定一种调制编码方式。
假设,上述第n bit的值为1,则可以确定用户设备发送的CQI压缩等级15代表1024QAM。也就是说,用户设备请求基站为其配置1024QAM编码方式。
第二种编码解析方式,对应上述第二压缩等级确定方式,参照图4根据一示例性实施例示出的另一种确定调制编码方式的方法流程图,所述步骤13可以包括以下步骤:
在步骤1301中,按照预设扰码对所述上行控制信息中的加扰信息进行解扰,确定目标扰码和CQI压缩等级;
仍以上述表一中15等级对应的两种调制编码方式为例,上述预设CQI压缩等级指示信息可以包括:CQI压缩等级、调制编码方式、扰码信息之间的对应关系。示例性的,如表二所示:
Figure PCTCN2017081685-appb-000002
表二
表二示例性地示出了一种CQI压缩等级代表的两种调制编码方式,以及每种编码方式对应的扰码。
本公开实施例中,上述预设CQI压缩等级指示信息中还可以包括:对上行控制信息的全部信息或者预设部分信息进行加扰,其中,上述预设 部分信息可以是UCI中承载CQI压缩等级的字段,该字段至少包括4个bit位,也可以是UCI中的其它字段。
本公开实施例中,根据所述加扰信息是否包含CQI压缩等级,上述获取CQI压缩等级包括以下两种情况:
第一种情况,所述加扰信息中不包含CQI压缩等级
则上述步骤1301中,可以从上行控制信息的预设位置直接确定CQI压缩等级。
第二种情况,所述加扰信息中包含CQI压缩等级
也就是说,所述加扰信息是对包含CQI压缩等级的信息进行加扰后获得的信息。
则,上述步骤1301中,可以采用表二所示的预设两种扰码对所述加扰信息进行解扰,获取CQI压缩等级并确定目标扰码。
在步骤1302中,根据所述目标扰码确定所述CQI压缩等级代表的一种调制编码方式。
假设在第二种情况下,若基站采用扰码2对用户设备UE1发送的上行控制信息成功解扰,查询表二可以确定UE1请求的调制编码方式为:1024QAM。
第三种编码解析方式,对应上述第三压缩等级确定方式,参照图5根据一示例性实施例示出的另一种确定调制编码方式的方法流程图,所述步骤13可以包括以下步骤:
在步骤131中,确定获取所述上行控制信息的目标时频资源位置;
本公开另一实施例中,所述预设CQI压缩等级指示信息中可以约定:一个CQI压缩等级对应的不同调制编码方式利用指定的不同上行时频资源进行传输。
以频率资源为例,对于一个工作带宽为10MHz的用户设备,假设其工作频段为:800MHz~810MHz,仍以上述CQI压缩等级是15为例,上述预设CQI压缩等级指示信息中包括:CQI压缩等级与两种调制编码方式、 两种频率资源信息的对应关系,示例性的,可以如表三所示:
Figure PCTCN2017081685-appb-000003
表三
在步骤132中,根据所述目标时频资源位置确定所述CQI压缩等级代表的一种调制编码方式。
如上述表三所示,如果基站通过810MHz的载波获取到压缩CQI等级15,通过查询上述表三可知,用户设备UE1请求的调制编码方式为1024QAM。
同理,通过时域资源区分一个CQI压缩等级对应的多种调制编码方式的解析过程类似,此处不再赘述。
可以预见的是,若一个CQI压缩等级对应更多种调制编码方式,也可以采用时频资源相结合的方式进行压缩等级指示。比如,CQI压缩等级15对应4中调制编码方式,分别表示为:编码一、编码二、编码三、编码四,则上述预设CQI压缩等级指示信息中包括:CQI压缩等级与四种调制编码方式、两种频率资源、两种时域资源间的对应关系,可以如表四所示:
Figure PCTCN2017081685-appb-000004
表四
表四中,当一个CQI压缩等级15对应四种编码方式时,可以采用两种频率资源即800MHz、810MHz,和,两种时域资源即时隙1和时隙2,相结合的方式进行表示,以减少控制信令开销。
基站可以根据获取CQI压缩等级的频域位置信息和时域位置信息, 查询上述表四,唯一确定一种调制编码方式。
在步骤14中,根据所述调制解调方式,为所述用户设备确定调制编码配置信息并发送给所述用户设备。
基站获取到用户设备请求使用的调制编码方式之后,为用户设备确定调制编码配置信息,下发给用户设备,以使用户设备根据所述调制编码配置信息配置调制解调方式。
上述调制编码配置信息至少包括:用户设备的设备标识、为所述用户设备指定的调制编码方式。其中,基站在为用户设备指定调制编码方式时,可以完全按照用户设备请求的调制编码方式,为用户设备指定调制编码方式;也可以将用户设备请求的调制编码方式作为参考,为用户设备设备分配合适的调制编码方式。
参照图6根据一示例性实施例的另一种确定调制编码方式的方法流程图,在上述步骤11之前,所述方法还可以包括:
在步骤10中,向用户设备发送CQI压缩等级配置信息,其中,所述CQI压缩等级配置信息包括:CQI压缩等级、每个所述CQI压缩等级对应的至少两种调制编码方式、每一种所述调制编码方式基于CQI等级的压缩指示方式。
根据上述实施例可知,上述CQI压缩等级配置信息中包括:CQI压缩等级和每种CQI压缩等级的CQI压缩等级指示信息。
本公开中,若上述新CQI表格包括多个CQI压缩等级,则上述CQI压缩等级配置信息中包括:每一个CQI压缩等级对应的CQI压缩等级指示信息。
以上各实施例仅以表一所示的CQI表格中仅包括一个CQI压缩等级15的情况进行的说明,对应的,上述预设CQI压缩等级指示信息代表CQI压缩等级15对应的CQI压缩等级指示信息,本公开并不限制于上述情况。
本公开实施例适用于用户设备首次使用CQI压缩等级之前,未存储 CQI压缩等级配置信息的情况,该情况下,用户设备虽然支持CQI等级压缩功能,但没有存储包含CQI压缩等级的CQI表格,如上述表一所示的新CQI表格,以及每种CQI压缩等级的指示信息即上述预设CQI压缩等级指示信息。
基站可以将包含CQI压缩等级的新CQI表格、或者所述新CQI表格相对于相关技术中原始CQI表格的更新信息,通过广播或单播方式发送给用户设备,以使用户设备在确定下行信道条件较好时,可以使用CQI压缩等级请求基站为其分配更高阶的调制编码方式,从提高信道传输数据的吞吐量。
本公开中,基站可以将上述CQI压缩等级配置信息载入广播信令、上层RRC信令或物理层的PDCCH(Physical Downlink Control Channel,物理下行控制信道)信令中,下发给用户设备。
此处需要说明的是,新CQI表格中一个压缩等级代表的调制编码方式的数量不限于两个,可以是多个;相应的,每一种调制编码方式对应的CQI压缩等级的指示方式也可以扩展。
综上,采用本公开提供的确定调制编码方式的方法,基站获取上行控制信息后,首先判断其包含的CQI等级是否属于CQI压缩等级;若是,可以根据该压缩等级的压缩指示方式,准确解析该CQI压缩等级代表的一种调制编码方式。若基站接收的CQI等级不属于压缩等级,则根据相关技术基于CQI等级确定目标调制编码方式。由于基站接收到CQI压缩等级的几率相对较少,因此,采用本公开提供的确定调制编码方式的方法,基于相关技术规定的CQI等级,通过预设CQI压缩等级指示方式有效指示高阶调制编码方式,有效减少了基站解析CQI反馈信息的工作量,并可以为用户设备配置更高阶调制解调方式,从而在信道条件较好的情况下,可以有效增加数据传输吞吐量,增强5G通信系统中用户设备的数据传输效率,提升用户设备如eMBB(enhanced Mobile Broad Band,增强移动宽带)设备的用户体验。
相应的,本公开还提供了一种确定调制编码方式的方法,应用于用户设备中,参照图7根据一示例性实施例示出的一种确定调制编码方式的方法流程图,上述方法可以包括以下步骤:
在步骤21中,根据测量的下行信道质量确定待请求调制编码方式;
以用户设备UE1为例,UE1可以根据下行参考信号的接收情况确定下行信道质量。具体地,UE1可以根据测得的下行参考信号的码率和效率查询预设CQI表格,确定待请求调制编码方式。示例性的,假设UE1确定的下行信号码率为xxx;效率为x.xxxx;则查询上述表一所示的新CQI表格可知,其对应的调制编码方式为:1024QAM。则,UE1可以将1024QAM确定为待请求调制编码方式。
在步骤22中,根据所述待请求调制编码方式查询预设CQI表格,确定目标CQI等级;
如上示例,UE1根据确定的调制编码方式:1024QAM,查询上述CQI表格,确定目标CQI等级为15。
在步骤23中,若所述目标CQI等级属于代表至少两种调制编码方式的CQI压缩等级,按照预设CQI压缩等级指示信息向基站发送所述CQI压缩等级。
本公开中,上述预设CQI表格中包括CQI压缩等级,CQI压缩等级是指一个CQI等级可以代表两种或多种调制编码方式。例如,上述表一所示的CQI表格中等级15代表两种调制编码方式,分别为:256QAM、1024QAM,则等级15属于CQI压缩等级。
如果UE1按照相关技术向基站发送所述等级15,基站无法准确解析用户设备请求使用的调制编码方式。因此,本公开中,用户设备需要根据预设CQI压缩等级指示信息向基站发送CQI等级15。上述预设CQI压缩等级指示信息用于指示采用何种方式发送CQI压缩等级可以明确告知基站用户设备请求的目标调制编码方式。
本公开实施例中,预设CQI压缩配置信息中指示用户设备可以采用 以下至少一种方式发送CQI压缩等级:
方式一,将上行控制信息的预留位数值设置为所述待请求调制编码方式对应的数值,发送给基站;
本公开实施例中,基站和用户设备预先约定:在上行控制信息中设置预留位,用以指示该上行控制信息中包含CQI压缩等级;并根据预留位的数值明确表示各种调制编码方式。
其中,上述预留位的比特位数依据CQI压缩等级代表的调制编码方式数量而定。仍以上述新CQI表格中压缩等级15为例,由于压缩等级15代表两种调制编码方式,因此,可以使用1个预留bit表示不同的调制编码方式。例如,当上述预留bit置为0时,代表256QAM;当上述预留bit置为1时,代表1024QAM。同理,若一个CQI压缩等级代表四种调制编码方式,可以在上行控制信息中使用2个预留bit位表示不同的调制编码方式。
此种方式下,UE1向基站发送的上行控制信息中,包括CQI压缩等级15和1个预留bit,且上述1个预留bit的值为0。
方式二,使用所述待请求调制编码方式对应的扰码对所述上行控制信息进行加扰,将加扰后的上行控制信息发送给基站;
本公开实施例中,基站和用户设备可以预先预定:采用信息加扰方式指示上行控制信息中包括CQI压缩等级,并使用不同的扰码明确表示上述CQI压缩等级代表的各种调制编码方式。
示例性,仍以上述新CQI表格中压缩等级15为例,由于压缩等级15代表两种调制编码方式,因此,可以使用两种扰码表示不同的调制编码方式,如表二所示。
此种方式下,UE1向基站发送的上行控制信息中,包括CQI压缩等级15,且包含经扰码2进行加扰后获得的加扰信息。
方式三,使用为所述待请求调制编码方式指定的目标上行时频资源,将包含所述CQI压缩等级的上行控制信息发送给基站;
本公开实施例中,基站和用户设备可以事先约定:利用不同位置的时频资源发送CQI压缩等级,以明确指示所述CQI压缩等级代表的各种调制编码方式。
假设一个CQI压缩等级代表两种调制编码方式,则可以指定频率带宽内的两种频率资源,分别传输上行控制信息,以明确表示所述CQI压缩等级代表的两种调制编码方式。
仍以UE1为例,假设UE1的带宽为10MHz,对应频带为:800MHz~810MHz;根据上述CQI压缩配置信息,若待请求调制编码方式为256QAM,利用800MHz的载波发送所述上行控制信息;若待请求调制编码方式为1024QAM,通过810MHz的载波发送所述上行控制信息。
此种方式下,因为UE1确定的待请求调制编码方式为1024QAM,因此,利用810MHz的载波发送所述上行控制信息。
同理,也可以约定使用不同的时域资源发送上行控制信息,或者,在一个CQI压缩等级代表更多种调制编码方式的情况下,采用时域和频域结合的方式,明确表示一个CQI压缩等级代表的不同调制编码方式。
参照图8根据一示例性实施例的一种确定调制编码方式的方法流程图,在图7所示实施例的基础上,所述方法还可以包括:
在步骤20中,获取CQI压缩等级配置信息,所述CQI压缩配置信息包括:CQI压缩等级、每个所述CQI压缩等级代表的至少两种调制编码方式、每一种所述调制编码方式对应的CQI压缩等级表示方式。
也就是说,上述CQI压缩等级配置信息包括:1个或多个CQI压缩等级,每一种CQI压缩等级对应的CQI等级压缩指示信息。
上述步骤20可以设置于步骤21或者步骤22之前。
若用户设备属于支持CQI等级压缩功能的设备,但未获得包含压缩等级的CQI表格以及CQI压缩等级指示信息。此种情况下,若用户设备需要请求一个CQI压缩等级代表的一种高阶调制编码方式,则用户设备需要首先获取上述CQI压缩配置信息,然后执行上述步骤23或者步骤21~23。
可见,用户设备通过CQI等级向基站请求更高阶的调制编码方式时,无需增加新的CQI等级,只需在原有CQI等级0~15的基础上采用CQI等级压缩功能,按照预设CQI压缩等级指示方式发送所述CQI等级,即可准确地请求基站地分配所需调制编码方式,由于没有增加CQI等级的数量,因此不会增加用户设备的CQI反馈负担。
对于前述的各方法实施例,为了简单描述,故将其都表述为一系列的动作组合,但是本领域技术人员应该知悉,本公开并不受所描述的动作顺序的限制,因为依据本公开,某些步骤可以采用其他顺序或者同时进行。
其次,本领域技术人员也应该知悉,说明书中所描述的实施例均属于可选实施例,所涉及的动作和模块并不一定是本公开所必须的。
与前述应用功能实现方法实施例相对应,本公开还提供了应用功能实现装置及相应终端的实施例。
参照图9根据一示例性实施例示出的一种确定调制编码方式的装置框图,设置于基站中,所述装置可以包括:
获取模块31,被配置为获取用户设备发送的上行控制信息,所述上行控制信息中至少包括:信道质量指示CQI等级;
判断模块32,被配置为判断所述CQI等级是否属于代表至少两种调制编码方式的CQI压缩等级;
编码方式确定模块33,被配置为若所述CQI等级属于所述CQI压缩等级,根据预设CQI压缩等级指示信息,确定所述CQI压缩等级代表的一种调制编码方式;
其中,所述预设CQI压缩等级指示信息包括:所述CQI压缩等级与至少两种调制编码方式的对应关系,以及每一种所述调制编码方式对应的CQI压缩等级表示方式。
发送模块34,被配置为根据所述调制编码方式,为所述用户设备确定调制编码配置信息并发送给所述用户设备。
参照图10根据一示例性实施例示出的另一种确定调制编码方式的 装置框图,在图9所示装置实施例的基础上,所述装置还可以包括:
配置信息发送模块30,被配置为向所述用户设备发送CQI压缩等级配置信息;
其中,所述CQI压缩等级配置信息包括:CQI压缩等级、每个所述CQI压缩等级代表的至少两种调制编码方式、每一种所述调制编码方式对应的CQI压缩等级表示方式。
在本公开另一实施例中,若获取模块31获取的上行控制信息中还包括:用户设备的设备标识。参照图11根据一示例性实施例示出的另一种确定调制编码方式的装置框图,在图9所示装置实施例的基础上,所述判断模块32可以包括:
第一判断子模块321,被配置为根据所述用户设备的设备标识,判断所述用户设备是否支持CQI等级压缩功能;
第二判断子模块322,被配置为若所述用户设备支持所述CQI等级压缩功能,根据所述预设CQI压缩等级指示信息判断所述CQI等级是否属于CQI压缩等级。
参照图12根据一示例性实施例示出的另一种确定调制编码方式的装置框图,在图9所示装置实施例的基础上,所述编码方式确定模块33可以包括:压缩等级确定子模块331和编码方式解析子模块332。其中,压缩等级确定子模块331用于确定CQI压缩等级;所述编码方式解析子模块332用于解析所述CQI等级代表的一种调制编码方式。
参照图13根据一示例性实施例示出的另一种确定调制编码方式的装置框图,在图12所示装置实施例的基础上,所述压缩等级确定子模块331可以包括以下任一压缩等级确定子模块:
第一压缩等级确定单元3311,被配置为若接收到的上行控制信息中包括预设压缩指示信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级;
第二压缩等级确定单元3312,被配置为若所述上行控制信息中包含 预设加扰信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级;
第三压缩等级确定单元3313,被配置为若通过预设上行时频资源接收所述上行控制信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级。
参照图14根据一示例性实施例示出的另一种确定调制编码方式的装置框图,在图13所示装置实施例的基础上,所述编码方式解析子模块332可以包括:
第一编码确定单元3321,被配置为根据所述压缩指示信息的数值,确定所述CQI压缩等级代表的一种调制编码方式。
参照图15根据一示例性实施例示出的另一种确定调制编码方式的装置框图,在图13所示装置实施例的基础上,所述编码方式解析子模块332可以包括:
扰码确定单元3322,被配置为按照预设扰码对所述上行控制信息中的加扰信息进行解扰,确定目标扰码和CQI压缩等级;
第二编码确定单元3323,被配置为根据所述目标扰码确定所述CQI压缩等级代表的一种调制编码方式。
参照图16根据一示例性实施例示出的另一种确定调制编码方式的装置框图,在图13所示装置实施例的基础上,所述编码方式解析子模块332可以包括:
位置确定单元3324,被配置为确定获取所述上行控制信息的目标时频资源位置;
第三编码确定单元3325,被配置为根据所述目标时频资源位置确定所述CQI压缩等级代表的一种调制编码方式。
参照图17根据一示例性实施例示出的一种确定调制编码方式的装置框图,设置于用户设备中,所述装置可以包括:
编码方式请求模块41,被配置为根据测量的下行信道质量确定待请求调制编码方式;
CQI等级确定模块42,被配置为根据所述待请求调制编码方式查询预设信道质量指示CQI表格,确定目标CQI等级;
CQI等级发送模块43,被配置为在所述目标CQI等级属于代表至少两种调制编码方式的CQI压缩等级的情况下,按照预设CQI压缩等级指示信息向基站发送所述CQI压缩等级,以使所述基站根据所述CQI压缩等级为所述用户设备配置一种调制编码方式。
参照图18根据一示例性实施例示出的另一种确定调制编码方式的装置框图,在图17所示装置实施例的基础上,所述CQI等级发送模块43可以包括:
第一发送子模块431,被配置为将上行控制信息的预留位数值设置为所述待请求调制编码方式对应的数值,和所述CQI压缩等级一起发送给所述基站;
第二发送子模块432,被配置为使用所述待请求调制编码方式对应的扰码对所述上行控制信息进行加扰后,发送给所述基站;
第三发送子模块433,被配置为使用为所述待请求调制编码方式指定的目标上行时频资源,将所述上行控制信息发送给所述基站;
其中,所述上行控制信息包括CQI压缩等级。
参照图19根据一示例性实施例示出的另一种确定调制编码方式的装置框图,在图17所示装置实施例的基础上,所述装置还可以包括:
配置信息获取模块40,被配置为获取CQI压缩等级配置信息,所述CQI压缩配置信息包括:CQI压缩等级、每个所述CQI压缩等级代表的至少两种调制编码方式、每一种所述调制编码方式对应的CQI压缩等级表示方式。
对于装置实施例而言,由于其基本对应于方法实施例,所以相关之处参见方法实施例的部分说明即可。以上所描述的装置实施例仅仅是示意性的,其中上述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于 一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本公开方案的目的。本领域普通技术人员在不付出创造性劳动的情况下,即可以理解并实施。
相应的,一方面提供了一种确定调制编码方式的装置,包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,所述处理器被配置为:
获取用户设备发送的上行控制信息,所述上行控制信息至少包括:信道质量指示CQI等级;
判断所述CQI等级是否属于代表至少两种调制编码方式的CQI压缩等级;
若所述CQI等级属于所述CQI压缩等级,根据预设CQI压缩等级指示信息确定所述CQI压缩等级代表的一种调制编码方式;
根据所述调制编码方式,为所述用户设备确定调制编码配置信息并发送给所述用户设备;
其中,所述预设CQI压缩等级指示信息包括:所述CQI压缩等级与至少两种调制编码方式的对应关系,以及每一种所述调制编码方式对应的CQI压缩等级表示方式。
另一方面,提供了一种确定调制编码方式的装置,包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,所述处理器被配置为:
根据测量的下行信道质量确定待请求调制编码方式;
根据所述待请求调制编码方式查询预设CQI表格,确定目标CQI等级;
若所述目标CQI等级属于代表至少两种调制编码方式的CQI压缩等级,按照预设CQI压缩等级指示信息向基站发送所述CQI压缩等级,以使 所述基站根据所述CQI压缩等级为所述用户设备配置一种调制编码方式。
如图20所示,图20是根据一示例性实施例示出的一种用于确定调制编码方式的装置2000的一结构示意图。装置2000可以被提供为一基站。参照图20,装置2000包括处理组件2022、无线发射/接收组件2024、天线组件2026、以及无线接口特有的信号处理部分,处理组件2022可进一步包括一个或多个处理器。
处理组件2022中的其中一个处理器可以被配置为:
获取用户设备发送的上行控制信息,所述上行控制信息至少包括:信道质量指示CQI等级;
判断所述CQI等级是否属于代表至少两种调制编码方式的CQI压缩等级;
若所述CQI等级属于所述CQI压缩等级,根据预设CQI压缩等级指示信息确定所述CQI压缩等级代表的一种调制编码方式;
根据所述调制编码方式,为所述用户设备确定调制编码配置信息并发送给所述用户设备;
其中,所述预设CQI压缩等级指示信息包括:所述CQI压缩等级与至少两种调制编码方式的对应关系,以及每一种所述调制编码方式对应的CQI压缩等级表示方式。
在示例性实施例中,还提供了一种包括指令的非临时性计算机可读存储介质,其上存储有计算机指令,上述计算机指令可由装置2000的处理组件2022执行以完成图1~6任一所述的确定调制编码方式的方法。例如,所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
图21是根据一示例性实施例示出的一种确定调制编码方式的装置2100的结构示意图。例如,装置2100可以是终端,可以具体为移动电话,计算机,数字广播终端,消息收发设备,游戏控制台,平板设备,医疗设备,健身设备,个人数字助理,可穿戴设备如智能手表、智能眼镜、智能 手环、智能跑鞋等。
参照图21,装置2100可以包括以下一个或多个组件:处理组件2102,存储器2104,电源组件2106,多媒体组件2108,音频组件2110,输入/输出(I/O)的接口2112,传感器组件2114,以及通信组件2116。
处理组件2102通常控制装置2100的整体操作,诸如与显示,电话呼叫,数据通信,相机操作和记录操作相关联的操作。处理组件2102可以包括一个或多个处理器2120来执行指令,以完成上述的方法的全部或部分步骤。此外,处理组件2102可以包括一个或多个模块,便于处理组件2102和其他组件之间的交互。例如,处理组件2102可以包括多媒体模块,以方便多媒体组件2108和处理组件2102之间的交互。
存储器2104被配置为存储各种类型的数据以支持在设备2100的操作。这些数据的示例包括用于在装置2100上操作的任何应用程序或方法的指令,联系人数据,电话簿数据,消息,图片,视频等。存储器2104可以由任何类型的易失性或非易失性存储设备或者它们的组合实现,如静态随机存取存储器(SRAM),电可擦除可编程只读存储器(EEPROM),可擦除可编程只读存储器(EPROM),可编程只读存储器(PROM),只读存储器(ROM),磁存储器,快闪存储器,磁盘或光盘。
电源组件2106为装置2100的各种组件提供电力。电源组件2106可以包括电源管理系统,一个或多个电源,及其他与为装置2100生成、管理和分配电力相关联的组件。
多媒体组件2108包括在上述装置2100和用户之间的提供一个输出接口的屏幕。在一些实施例中,屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板,屏幕可以被实现为触摸屏,以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。上述触摸传感器可以不仅感测触摸或滑动动作的边界,而且还检测与上述触摸或滑动操作相关的持续时间和压力。在一些实施例中,多媒体组件2108包括一个前置摄像头和/或后置摄像头。当设备2100处于操作 模式,如拍摄模式或视频模式时,前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件2110被配置为输出和/或输入音频信号。例如,音频组件2110包括一个麦克风(MIC),当装置2100处于操作模式,如呼叫模式、记录模式和语音识别模式时,麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器2104或经由通信组件2116发送。在一些实施例中,音频组件2110还包括一个扬声器,用于输出音频信号。
I/O接口2112为处理组件2102和外围接口模块之间提供接口,上述外围接口模块可以是键盘,点击轮,按钮等。这些按钮可包括但不限于:主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件2114包括一个或多个传感器,用于为装置2100提供各个方面的状态评估。例如,传感器组件2114可以检测到设备2100的打开/关闭状态,组件的相对定位,例如上述组件为装置2100的显示器和小键盘,传感器组件2114还可以检测装置2100或装置2100一个组件的位置改变,用户与装置2100接触的存在或不存在,装置2100方位或加速/减速和装置2100的温度变化。传感器组件2114可以包括接近传感器,被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件2114还可以包括光传感器,如CMOS或CCD图像传感器,用于在成像应用中使用。在一些实施例中,该传感器组件2114还可以包括加速度传感器,陀螺仪传感器,磁传感器,压力传感器或温度传感器。
通信组件2116被配置为便于装置2100和其他设备之间有线或无线方式的通信。装置2100可以接入基于通信标准的无线网络,如WiFi,2G或3G,或它们的组合。在一个示例性实施例中,通信组件2116经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中,上述通信组件2116还包括近场通信(NFC)模块,以促进短程通信。例如,在NFC模块可基于射频识别(RFID)技术,红外数据协会(IrDA)技术,超 宽带(UWB)技术,蓝牙(BT)技术和其他技术来实现。
在示例性实施例中,装置2100可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现,用于执行上述方法。
在示例性实施例中,还提供了一种包括指令的非临时性计算机可读存储介质,例如包括指令的存储器2104,上述指令可由装置2100的处理器2120执行以完成上述确定调制编码方式的方法。例如,所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
本领域技术人员在考虑说明书及实践这里公开的公开后,将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化,这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的,本公开的真正范围和精神由下面的权利要求指出。
应当理解的是,本公开并不局限于上面已经描述并在附图中示出的精确结构,并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。

Claims (24)

  1. 一种确定调制编码方式的方法,其特征在于,应用于基站中,所述方法包括:
    获取用户设备发送的上行控制信息,所述上行控制信息至少包括:信道质量指示CQI等级;
    判断所述CQI等级是否属于代表至少两种调制编码方式的CQI压缩等级;
    若所述CQI等级属于所述CQI压缩等级,根据预设CQI压缩等级指示信息确定所述CQI压缩等级代表的一种调制编码方式;
    根据所述调制编码方式,为所述用户设备确定调制编码配置信息并发送给所述用户设备;
    其中,所述预设CQI压缩等级指示信息包括:所述CQI压缩等级与至少两种调制编码方式的对应关系,以及每一种所述调制编码方式对应的CQI压缩等级表示方式。
  2. 根据权利要求1所述的方法,其特征在于,在所述获取用户设备发送的上行控制信息之前,所述方法还包括:
    向所述用户设备发送CQI压缩等级配置信息;
    其中,所述CQI压缩等级配置信息包括:CQI压缩等级、每个所述CQI压缩等级代表的至少两种调制编码方式、每一种所述调制编码方式对应的CQI压缩等级表示方式。
  3. 根据权利要求1所述的方法,其特征在于,所述上行控制信息还包括:所述用户设备的设备标识,
    所述判断所述CQI等级是否属于代表至少两种调制编码方式的CQI压缩等级,包括:
    根据所述用户设备的设备标识,判断所述用户设备是否支持CQI等级压缩功能;
    若所述用户设备支持所述CQI等级压缩功能,根据所述预设CQI压缩等级指示信息判断所述CQI等级是否属于CQI压缩等级。
  4. 根据权利要求1或3所述的方法,其特征在于,采用以下任一方式确定所述CQI等级属于CQI压缩等级:
    若接收到的上行控制信息中包括预设压缩指示信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级;
    若所述上行控制信息中包含预设加扰信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级;
    若通过预设上行时频资源接收所述上行控制信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级。
  5. 根据权利要求4所述的方法,其特征在于,所述根据预设CQI压缩等级指示信息,确定所述CQI压缩等级代表的一种调制编码方式,包括:
    根据所述压缩指示信息的数值,确定所述CQI压缩等级代表的一种调制编码方式。
  6. 根据权利要求4所述的方法,其特征在于,所述根据预设CQI压缩等级指示信息,确定所述CQI压缩等级代表的一种调制编码方式,包括:
    按照预设扰码对所述上行控制信息中的加扰信息进行解扰,确定目标扰码和CQI压缩等级;
    根据所述目标扰码确定所述CQI压缩等级代表的一种调制编码方式。
  7. 根据权利要求4所述的方法,其特征在于,所述根据预设CQI压缩等级指示信息,确定所述CQI压缩等级代表的一种调制编码方式,包括:
    确定获取所述上行控制信息的目标时频资源位置;
    根据所述目标时频资源位置确定所述CQI压缩等级代表的一种调制编码方式。
  8. 一种确定调制编码方式的方法,其特征在于,应用于用户设备中,所述方法包括:
    根据测量的下行信道质量确定待请求调制编码方式;
    根据所述待请求调制编码方式查询预设CQI表格,确定目标CQI等级;
    若所述目标CQI等级属于代表至少两种调制编码方式的CQI压缩等级,按照预设CQI压缩等级指示信息向基站发送所述CQI压缩等级,以使所述基站根据所述CQI压缩等级为所述用户设备配置一种调制编码方式。
  9. 根据权利要求8所述的方法,其特征在于,按照预设CQI压缩等级指示信息,采用以下任一方式向基站发送所述CQI压缩等级:
    将上行控制信息的预留位数值设置为所述待请求调制编码方式对应的数值,发送给所述基站;
    使用所述待请求调制编码方式对应的扰码对所述上行控制信息进行加扰后,发送给所述基站;
    使用为所述待请求调制编码方式指定的目标上行时频资源,将所述上行控制信息发送给所述基站;
    其中,所述上行控制信息包括CQI压缩等级。
  10. 根据权利要8所述的方法,其特征在于,所述方法还包括:
    获取CQI压缩等级配置信息,所述CQI压缩配置信息包括:CQI压缩等级、每个所述CQI压缩等级代表的至少两种调制编码方式、每一种所述调制编码方式对应的CQI压缩等级表示方式。
  11. 一种确定调制编码方式的装置,其特征在于,设置于基站中,所述装置包括:
    UCI获取模块,被配置为获取用户设备发送的上行控制信息UCI,所述上行控制信息中至少包括:信道质量指示CQI等级;
    判断模块,被配置为判断所述CQI等级是否属于代表至少两种调制编码方式的CQI压缩等级;
    编码方式确定模块,被配置为若所述CQI等级属于所述CQI压缩等级,根据预设CQI压缩等级指示信息,确定所述CQI压缩等级代表的一种调制编码方式;
    发送模块,被配置为根据所述调制编码方式,为所述用户设备确定调 制编码配置信息并发送给所述用户设备;
    其中,所述预设CQI压缩等级指示信息包括:所述CQI压缩等级与至少两种调制编码方式的对应关系,以及每一种所述调制编码方式对应的CQI压缩等级表示方式。
  12. 根据权利要求11所述的装置,其特征在于,所述装置还包括:
    配置信息发送模块,被配置为向所述用户设备发送CQI压缩等级配置信息;
    其中,所述CQI压缩等级配置信息包括:CQI压缩等级、每个所述CQI压缩等级代表的至少两种调制编码方式、每一种所述调制编码方式对应的CQI压缩等级表示方式。
  13. 根据权利要求11所述的装置,其特征在于,所述上行控制信息还包括:所述用户设备的设备标识;所述判断模块包括:
    第一判断子模块,被配置为根据所述用户设备的设备标识,判断所述用户设备是否支持CQI等级压缩功能;
    第二判断子模块,被配置为若所述用户设备支持所述CQI等级压缩功能,根据所述预设CQI压缩等级指示信息判断所述CQI等级是否属于CQI压缩等级。
  14. 根据权利要求11所述的装置,其特征在于,所述编码方式确定模块包括以下任一压缩等级确定单元:
    第一压缩等级确定单元,被配置为若接收到的上行控制信息中包括预设压缩指示信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级;
    第二压缩等级确定单元,被配置为若所述上行控制信息中包含预设加扰信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级;
    第三压缩等级确定单元,被配置为若通过预设上行时频资源接收所述上行控制信息,确定所述上行控制信息中的CQI等级属于CQI压缩等级。
  15. 根据权利要求14所述的装置,其特征在于,所述编码方式确定模块还包括:
    第一编码确定单元,被配置为根据所述压缩指示信息的数值,确定所述CQI压缩等级代表的一种调制编码方式。
  16. 根据权利要求14所述的装置,其特征在于,所述编码方式确定模块还包括:
    扰码确定单元,被配置为按照预设扰码对所述上行控制信息中的加扰信息进行解扰,确定目标扰码和CQI压缩等级;
    第二编码确定单元,被配置为根据所述目标扰码确定所述CQI压缩等级代表的一种调制编码方式。
  17. 根据权利要求14所述的装置,其特征在于,所述编码方式确定模块还包括:
    位置确定单元,被配置为确定获取所述上行控制信息的目标时频资源位置;
    第三编码确定单元,被配置为根据所述目标时频资源位置确定所述CQI压缩等级代表的一种调制编码方式。
  18. 一种确定调制编码方式的装置,其特征在于,设置于用户设备中,所述装置包括:
    编码方式请求模块,被配置为根据测量的下行信道质量确定待请求调制编码方式;
    CQI等级确定模块,被配置为根据所述待请求调制编码方式查询预设信道质量指示CQI表格,确定目标CQI等级;
    CQI等级发送模块,被配置为在所述目标CQI等级属于代表至少两种调制编码方式的CQI压缩等级的情况下,按照预设CQI压缩等级指示信息向基站发送所述CQI压缩等级,以使所述基站根据所述CQI压缩等级为所述用户设备配置一种调制编码方式。
  19. 根据权利要求18所述的装置,其特征在于,所述CQI等级发送模块包括:
    第一发送子模块,被配置为将上行控制信息的预留位数值设置为所述 待请求调制编码方式对应的数值,发送给所述基站;
    第二发送子模块,被配置为使用所述待请求调制编码方式对应的扰码对所述上行控制信息进行加扰后,发送给所述基站;
    第三发送子模块,被配置为使用为所述待请求调制编码方式指定的目标上行时频资源,将所述上行控制信息发送给所述基站;
    其中,所述上行控制信息包括CQI压缩等级。
  20. 根据权利要18所述的装置,其特征在于,所述装置还包括:
    配置信息获取模块,被配置为获取CQI压缩等级配置信息,所述CQI压缩配置信息包括:CQI压缩等级、每个所述CQI压缩等级代表的至少两种调制编码方式、每一种所述调制编码方式对应的CQI压缩等级表示方式。
  21. 一种非临时性计算机可读存储介质,其上存储有计算机指令,其特征在于,该指令被处理器执行时实现权利要求1~7任一所述方法的步骤。
  22. 一种非临时性计算机可读存储介质,其上存储有计算机指令,其特征在于,该指令被处理器执行时实现权利要求8~10任一所述方法的步骤。
  23. 一种确定调制编码方式的装置,其特征在于,包括:
    处理器;
    用于存储处理器可执行指令的存储器;
    其中,所述处理器被配置为:
    获取用户设备发送的上行控制信息,所述上行控制信息中至少包括:信道质量指示CQI等级;
    判断所述CQI等级是否属于代表至少两种调制编码方式的CQI压缩等级;
    若所述CQI等级属于所述CQI压缩等级,根据预设CQI压缩等级指示信息确定所述CQI压缩等级代表的一种调制编码方式;
    根据所述调制编码方式,为所述用户设备确定调制编码配置信息并发送给所述用户设备;
    其中,所述预设CQI压缩等级指示信息包括:所述CQI压缩等级与至少两种调制编码方式的对应关系,以及每一种所述调制编码方式对应的CQI压缩等级表示方式。
  24. 一种确定调制编码方式的装置,其特征在于,包括:
    处理器;
    用于存储处理器可执行指令的存储器;
    其中,所述处理器被配置为:
    根据测量的下行信道质量确定待请求调制编码方式;
    根据所述待请求调制编码方式查询预设CQI表格,确定目标CQI等级;
    若所述目标CQI等级属于代表至少两种调制编码方式的CQI压缩等级,按照预设CQI压缩等级指示信息向基站发送所述CQI压缩等级,以使所述基站根据所述CQI压缩等级为所述用户设备配置一种调制编码方式。
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