WO2016115773A1 - 数据传输方法、数据传输装置和基站 - Google Patents
数据传输方法、数据传输装置和基站 Download PDFInfo
- Publication number
- WO2016115773A1 WO2016115773A1 PCT/CN2015/075543 CN2015075543W WO2016115773A1 WO 2016115773 A1 WO2016115773 A1 WO 2016115773A1 CN 2015075543 W CN2015075543 W CN 2015075543W WO 2016115773 A1 WO2016115773 A1 WO 2016115773A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data transmission
- terminal
- cqi
- mcs
- mode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
Definitions
- the present invention relates to the field of wireless communication technologies, and in particular, to a data transmission method, a data transmission device, and a base station.
- small cells small cells
- the link quality between the service node and the terminal is good, and the traditional modulation mode cannot meet the requirements.
- a modulation method of 256QAM is introduced.
- the invention is based on the above problems, and proposes a new technical solution, which can enable the terminal to accurately select the used MCS/CQI/TBS table for different modulation and coding modes, thereby smoothly implementing data transmission.
- the present invention provides a data transmission method, including: notifying a terminal to perform data transmission by using a specific MCS mode; and, when the specific MCS mode is 256QAM, notifying the terminal to select an MCS corresponding to 256QAM.
- (Modulation and Coding Scheme)/CQI (Channel Quality Indicator)/TBS (Transport Block Size) table for the data transmission No Then, the terminal is notified to select an original MCS/CQI/TBS table for the data transmission.
- the MCS/CQI/TBS table to be used is also notified when the MCS mode adopted by the terminal is notified.
- the terminal enables the terminal to use the correct MCS/CQI/TBS table to implement modulation coding of the transmitted data, avoiding the use of the wrong MCS/CQI/TBS table.
- the process of notifying the terminal to perform the selection of the table includes: notifying the terminal to perform the data transmission by using a specific transmission mode; wherein, when the terminal is notified to adopt the specific transmission mode
- the main transmission mode performs the data transmission, it indicates that the terminal needs to select an MCS/CQI/TBS table corresponding to 256QAM, and when the terminal is notified to use the fallback mode of the specific transmission mode to perform the data transmission.
- the main transmission mode and the fallback mode defined by the transmission mode (TM) are used to classify the 256QAM and other original modulation and coding modes into two categories, and the main transmission mode is matched with 256QAM and 256QAM.
- Corresponding MCS/CQI/TBS table is associated, and the fallback mode is associated with the original modulation and coding mode and the original MCS/CQI/TBS table, so that the terminal can be clearly informed that the correct MCS/CQI/TBS is used. Forms and help reduce signaling consumption.
- the specific transmission mode includes: any transmission mode supported by the terminal; or a transmission mode exclusively used by a terminal supporting 256QAM.
- all existing transmission modes including TM1 to TM10, can be used to notify the terminal of the corresponding table type, thereby enabling accurate notification of the form type. It is also possible to avoid changes to existing agreements.
- a dedicated transmission mode may be defined for the 256QAM, for example, defined as TM11, so that the original protocol and the newly defined TM11 are separately managed to avoid excessive changes to TM1 to TM10.
- the process of notifying the terminal to perform the selection of the table includes: when the specific MCS mode is 256QAM, the corresponding downlink control information is scrambled by using the first sequence, otherwise the second is adopted. The sequence scrambles the corresponding downlink control information.
- downlink control information (DCI, Downlink Control Information) can be scrambled by using different sequences, so that the terminal can be based on The sequence used in descrambling, knowing the modulation coding method currently used and the corresponding MCS/CQI/TBS table, helps to reduce signaling consumption.
- the process of notifying the terminal to perform the selection of the table includes: generating a message frame, where the message frame includes a form type identifier, and when the table type identifier is the first value, indicating the The terminal needs to select an MCS/CQI/TBS table corresponding to 256QAM.
- the table type identifier is the second value, it indicates that the terminal needs to select an original MCS/CQI/TBS table; and sends the message to the terminal. frame.
- the MCS/CQI/TBS table that needs to be used can be directly notified to the terminal through the message frame, thereby helping to avoid message mis-communication that may be caused by other means.
- the message frame is RRC signaling or MAC signaling.
- the message type communication of the above table type can be implemented by any form of signaling, for example, can be communicated through physical layer signaling, and the value of the physical layer signaling is made.
- the value is the first value, it indicates that the terminal needs to select the MCS/CQI/TBS table corresponding to 256QAM, and when the value of the physical layer signaling is the second value, it indicates that the terminal needs to select the original MCS/CQI/TBS table.
- the method further includes: when the specific MCS mode is 256QAM, expanding the number of bits of the CQI reporting information.
- the SNR Signal to Noise Ratio
- the CQI reporting information can also be other types, such as reporting information for the broadband CQI.
- the CQI reporting information can also be other types, such as reporting information for the broadband CQI.
- the extended CQI reporting information includes 3 bits.
- the CQI reporting information of the current 2 bits can be expanded to 3 bits, thereby expanding the original 4 level offset values to 8 levels to achieve more Accurate base station scheduling.
- the specific bit of the CQI reporting information can be adjusted as needed, for example, by expanding to a larger bit, which helps to contain more transmission information and achieve more accurate. Base station scheduling.
- the CQI reporting information is subband CQI information.
- the present invention also provides a data transmission apparatus, comprising: a modulation and coding mode notification unit, configured to notify the terminal to perform data transmission by using a specific MCS mode; and a table type notification unit, configured to be in the case where the specific MCS mode is 256QAM Next, the terminal is notified to select an MCS/CQI/TBS table corresponding to 256QAM for the data transmission, otherwise the terminal is notified to select an original MCS/CQI/TBS table for the data transmission.
- a modulation and coding mode notification unit configured to notify the terminal to perform data transmission by using a specific MCS mode
- a table type notification unit configured to be in the case where the specific MCS mode is 256QAM Next, the terminal is notified to select an MCS/CQI/TBS table corresponding to 256QAM for the data transmission, otherwise the terminal is notified to select an original MCS/CQI/TBS table for the data transmission.
- the MCS/CQI/TBS table to be used is also notified when the MCS mode adopted by the terminal is notified.
- the terminal enables the terminal to use the correct MCS/CQI/TBS table to implement modulation coding of the transmitted data, avoiding the use of the wrong MCS/CQI/TBS table.
- the form type notification unit includes: a transmission mode notification sub-unit, configured to notify the terminal to perform the data transmission by using a specific transmission mode; wherein, when the terminal is notified to adopt the When the data transmission is performed by the primary transmission mode of the specific transmission mode, it is indicated that the terminal needs to select an MCS/CQI/TBS table corresponding to 256QAM, and when the terminal is notified to adopt the fallback mode of the specific transmission mode, Data transmission At the time, it indicates that the terminal needs to select an original MCS/CQI/TBS table.
- the main transmission mode and the fallback mode defined by the transmission mode (TM) are used to classify the 256QAM and other original modulation and coding modes into two categories, and the main transmission mode is matched with 256QAM and 256QAM.
- Corresponding MCS/CQI/TBS table is associated, and the fallback mode is associated with the original modulation and coding mode and the original MCS/CQI/TBS table, so that the terminal can be clearly informed that the correct MCS/CQI/TBS is used. Forms and help reduce signaling consumption.
- the specific transmission mode includes: any transmission mode supported by the terminal; or a transmission mode exclusively used by a terminal supporting 256QAM.
- all existing transmission modes including TM1 to TM10, can be used to notify the terminal of the corresponding table type, thereby enabling accurate notification of the form type. It is also possible to avoid changes to existing agreements.
- a dedicated transmission mode may be defined for the 256QAM, for example, defined as TM11, so that the original protocol and the newly defined TM11 are separately managed to avoid excessive changes to TM1 to TM10.
- the form type notification unit includes: a scrambling subunit, configured to perform scrambling on the corresponding downlink control information by using the first sequence in a case where the specific MCS mode is 256QAM Otherwise, the second sequence is used to scramble the corresponding downlink control information.
- downlink control information (DCI, Downlink Control Information) can be scrambled by using different sequences, so that the terminal can be based on The sequence used in descrambling, knowing the modulation coding method currently used and the corresponding MCS/CQI/TBS table, helps to reduce signaling consumption.
- the form type notification unit includes: a message frame generation subunit, configured to generate a message frame, where the message frame includes a table type identifier, when the table type identifier is the first value Indicates that the terminal needs to select an MCS/CQI/TBS table corresponding to 256QAM, and when the table type identifier is the second value, it indicates that the terminal needs to select an original MCS/CQI/TBS table; the message frame transmitter a unit, configured to send to the terminal The message frame.
- the MCS/CQI/TBS table that needs to be used can be directly notified to the terminal through the message frame, thereby helping to avoid message mis-communication that may be caused by other means.
- the message frame is RRC signaling or MAC signaling.
- the message type communication of the above table type can be implemented by any form of signaling, for example, can be communicated through physical layer signaling, and the value of the physical layer signaling is made.
- the value is the first value, it indicates that the terminal needs to select the MCS/CQI/TBS table corresponding to 256QAM, and when the value of the physical layer signaling is the second value, it indicates that the terminal needs to select the original MCS/CQI/TBS table.
- the method further includes: an information extension unit, configured to expand the number of bits of the CQI report information when the specific MCS mode is 256QAM.
- the SNR Signal to Noise Ratio
- the CQI reporting information may also be other types, for example, reporting information for the wideband CQI, by increasing the number of bits, to more accurately indicate the reported wideband CQI information or indicating a wideband CQI value corresponding to a larger SNR range, such that Base stations can obtain more accurate CQI information and improve system performance.
- the extended CQI reporting information includes 3 bits.
- the CQI reporting information of the current 2 bits can be expanded to 3 bits, thereby expanding the original 4 level offset values to 8 levels to achieve more Accurate base station scheduling.
- the specific bit of the CQI reporting information can be adjusted as needed, for example, by expanding to a larger bit, which helps to contain more transmission information and achieve more accurate. Base station scheduling.
- the CQI reporting information is subband CQI information.
- the present invention also provides a base station, comprising: the number according to any one of the above technical solutions According to the transmission device.
- the terminal can accurately select the MCS/CQI/TBS table to be used for different modulation and coding modes, thereby smoothly implementing data transmission.
- FIG. 1 shows a schematic flow chart of a data transmission method according to an embodiment of the present invention
- FIG. 2 shows a schematic flow chart for implicitly notifying a terminal of a form type according to an embodiment of the present invention
- FIG. 3 shows a schematic flow chart for implicitly notifying a terminal of a form type according to another embodiment of the present invention
- FIG. 4 shows a schematic flow chart for explicitly notifying a terminal of a form type according to an embodiment of the present invention
- Figure 5 shows a schematic block diagram of a data transmission device in accordance with one embodiment of the present invention
- Figure 6 shows a schematic block diagram of a base station in accordance with one embodiment of the present invention.
- FIG. 1 shows a schematic flow chart of a data transmission method in accordance with one embodiment of the present invention.
- a data transmission method includes:
- Step 102 notify the terminal to perform data transmission by using a specific MCS manner
- Step 104 When the specific MCS mode is 256QAM, notify the terminal to select an MCS (Modulation and Coding Scheme)/CQI (Channel Quality Indicator)/TBS (Transport) corresponding to 256QAM. Block Size, transport block size) table for the data transmission, otherwise notify the terminal to select the original MCS/CQI/TBS table for the data transmission.
- MCS Modulation and Coding Scheme
- CQI Channel Quality Indicator
- TSS Transport block size
- the MCS/CQI/TBS table to be used is also notified when the MCS mode adopted by the terminal is notified.
- the terminal enables the terminal to use the correct MCS/CQI/TBS table to implement modulation coding of the transmitted data, avoiding the use of the wrong MCS/CQI/TBS table.
- Embodiment 1 Adopting an implicit method
- FIG. 2 shows a schematic flow diagram of implicitly notifying a terminal of a form type, in accordance with one embodiment of the present invention.
- the process of notifying the terminal to select a form includes:
- Step 202 Notify the terminal to perform the data transmission by using a specific transmission mode.
- Step 204 Determine whether the specific transmission mode is the main transmission mode, and if yes, proceed to step 206, otherwise proceed to step 208.
- Step 206 If the primary transmission mode is adopted, it indicates that the terminal needs to select an MCS/CQI/TBS table corresponding to 256QAM.
- Step 208 if the fallback mode is adopted, it indicates that the terminal needs to select an original MCS/CQI/TBS table.
- the main transmission mode and the fallback mode defined by the transmission mode are used to classify the 256QAM and other original modulation and coding modes into two categories, and the main transmission mode is matched with 256QAM and 256QAM.
- the corresponding MCS/CQI/TBS table is associated, and the fallback mode and the original modulation and coding mode, the original MCS/CQI/TBS table Associated so that the terminal can be clearly informed that the correct MCS/CQI/TBS table is used and helps to reduce signaling consumption.
- the main transmission mode indicates that the corresponding data transmission supports the 256QAM modulation mode
- the fallback mode indicates that the corresponding data transmission does not support the 256AQM modulation mode.
- each transmission mode has a primary transmission mode and a fallback mode.
- the definition of the above 10 transmission modes in the existing protocol can be utilized, that is, for any one or more existing transmission modes, such that in the main transmission mode, corresponding to 256QAM and the corresponding new MCS/CQI /TBS table; and in the fallback mode, corresponding to the original modulation and coding mode and the corresponding original MCS/CQI/TBS table.
- a dedicated transmission mode may be defined for 256QAM, such as TM11. Specifically, as shown in Table 1, it is a definition of the above-described dedicated transmission mode T11 in a specific preferred embodiment.
- the original protocol and the newly defined TM11 are separately managed to avoid excessive changes to TM1 to TM10.
- FIG. 3 shows a schematic flow chart for implicitly notifying a terminal of a form type according to another embodiment of the present invention.
- the process of implicitly notifying a terminal of a form type includes:
- Step 302 Determine whether the specific MCS mode required by the terminal is 256QAM, and if yes, proceed to step 304, otherwise proceed to step 306.
- Step 304 If the terminal is required to adopt the 256QAM mode, the first sequence is used to scramble the corresponding downlink control information.
- Step 306 If the terminal is required to adopt the original modulation and coding mode, the second sequence is used to scramble the corresponding downlink control information.
- downlink control information (DCI, Downlink Control Information) can be scrambled by using different sequences, so that the terminal can be based on The sequence used in descrambling, knowing the modulation coding method currently used and the corresponding MCS/CQI/TBS table, helps to reduce signaling consumption.
- the terminal if the terminal can correctly demodulate the received DCI, the terminal understands the phase.
- the control method should be; if the terminal cannot correctly demodulate the received DCI, the base station can know that the terminal does not correctly understand the usage of different types of tables, so that corresponding further processing can be performed.
- Embodiment 2 Through an explicit way
- FIG. 4 shows a schematic flow diagram of explicitly notifying a terminal of a form type, in accordance with one embodiment of the present invention.
- the process of explicitly notifying a terminal of a form type includes:
- Step 402 Generate a message frame, where the message frame includes a table type identifier.
- the table type identifier is the first value, it indicates that the terminal needs to select an MCS/CQI/TBS table corresponding to 256QAM, when the table is When the type identifier is the second value, it indicates that the terminal needs to select an original MCS/CQI/TBS table;
- Step 404 Send the message frame to the terminal.
- the MCS/CQI/TBS table that needs to be used can be directly notified to the terminal through the message frame, thereby helping to avoid message mis-communication that may be caused by other means.
- the message frame is RRC signaling or MAC signaling.
- the specific implementation method for notifying by RRC signaling may be:
- the message type communication of the above table type can be implemented by any form of signaling, for example, can be communicated through physical layer signaling, and the value of the physical layer signaling is made.
- the value is the first value (for example, 0)
- the value of the physical layer signaling is the second value (for example, 1)
- the terminal needs to select The original MCS/CQI/TBS form.
- the present invention further proposes the following technical solutions on the basis of the above-mentioned technical solutions of the respective notification form types:
- the method further includes: when the specific MCS mode is 256QAM (or a higher-order modulation and coding mode), expanding the number of bits of the CQI reporting information.
- the obtained sub-band CQI reports the correspondence between the information value and the offset level, which enables the original four levels (
- the level offset value is extended to 8 levels for more accurate base station scheduling.
- the specific bit of the CQI report information can be adjusted as needed, for example, by expanding to a larger bit or adjusting.
- the offset level of each bit helps to contain more transmission information and achieve more accurate base station scheduling.
- the CQI reporting information may also be other types, such as reporting information for the wideband CQI, by increasing the number of bits, thereby helping to more accurately indicate the reported wideband CQI information or indicating a wideband CQI value corresponding to a larger SNR range.
- Base stations can obtain more accurate CQI information and improve system performance.
- Figure 5 shows a schematic block diagram of a data transmission device in accordance with one embodiment of the present invention.
- a data transmission apparatus 500 includes: a modulation and coding mode notification unit 502, configured to notify a terminal to perform data transmission by using a specific MCS mode; and a form type notification unit 504 for In the case that the specific MCS mode is 256QAM, the terminal is notified to select an MCS/CQI/TBS table corresponding to 256QAM for the data transmission, otherwise the terminal is notified to select the original MCS/CQI/TBS. a table for the data transfer.
- the MCS/CQI/TBS table to be used is also notified when the MCS mode adopted by the terminal is notified.
- the terminal enables the terminal to use the correct MCS/CQI/TBS table to implement modulation coding of the transmitted data, avoiding the use of the wrong MCS/CQI/TBS table.
- the form type notification unit 504 includes: a transmission mode notification sub-unit 5042, configured to notify the terminal to perform the data transmission by using a specific transmission mode; wherein, when the terminal is notified to adopt When the data transmission is performed by the primary transmission mode of the specific transmission mode, it indicates that the terminal needs to select an MCS/CQI/TBS table corresponding to 256QAM, and notifies the terminal to adopt the fallback mode of the specific transmission mode. When the data transmission is performed, it indicates that the terminal needs to select an original MCS/CQI/TBS table.
- the main transmission mode and the fallback mode defined by the transmission mode are used to classify the 256QAM and other original modulation and coding modes into two classes.
- the main transmission mode is associated with the MCS/CQI/TBS table corresponding to 256QAM and 256QAM
- the fallback mode is associated with the original modulation and coding mode and the original MCS/CQI/TBS table, so that it can be clear
- the terminal informs the terminal to adopt the correct MCS/CQI/TBS table and helps to reduce signaling consumption.
- the specific transmission mode includes: any transmission mode supported by the terminal; or a transmission mode exclusively used by a terminal supporting 256QAM.
- all existing transmission modes including TM1 to TM10, can be used to notify the terminal of the corresponding table type, thereby enabling accurate notification of the form type. It is also possible to avoid changes to existing agreements.
- a dedicated transmission mode may be defined for the 256QAM, for example, defined as TM11, so that the original protocol and the newly defined TM11 are separately managed to avoid excessive changes to TM1 to TM10.
- the form type notification unit 504 includes: a scrambling sub-unit 5044, configured to perform corresponding downlink control information by using the first sequence in a case where the specific MCS mode is 256QAM Scrambling, otherwise the second sequence is used to scramble the corresponding downlink control information.
- downlink control information (DCI, Downlink Control Information) can be scrambled by using different sequences, so that the terminal can be based on The sequence used in descrambling, knowing the modulation coding method currently used and the corresponding MCS/CQI/TBS table, helps to reduce signaling consumption.
- the form type notification unit 504 includes: a message frame generation subunit 5046, configured to generate a message frame, where the message frame includes a form type identifier, when the form type identifier is the first The value indicates that the terminal needs to select an MCS/CQI/TBS table corresponding to 256QAM, and when the table type identifier is the second value, it indicates that the terminal needs to select an original MCS/CQI/TBS table;
- the sending subunit 5048 is configured to send the message frame to the terminal.
- the MCS/CQI/TBS table that needs to be used can be directly notified to the terminal through the message frame, thereby helping to avoid message mis-communication that may be caused by other means.
- the message frame is RRC signaling or MAC signaling.
- the message type communication of the above table type can be implemented by any form of signaling, for example, can be communicated through physical layer signaling, and the value of the physical layer signaling is made.
- the value is the first value, it indicates that the terminal needs to select the MCS/CQI/TBS table corresponding to 256QAM, and when the value of the physical layer signaling is the second value, it indicates that the terminal needs to select the original MCS/CQI/TBS table.
- the information expansion unit 506 is configured to expand the number of bits of the CQI reporting information when the specific MCS mode is 256QAM.
- the SNR Signal to Noise Ratio
- the CQI reporting information may also be other types, for example, reporting information for the wideband CQI, by increasing the number of bits, to more accurately indicate the reported wideband CQI information or indicating a wideband CQI value corresponding to a larger SNR range, such that Base stations can obtain more accurate CQI information and improve system performance.
- the extended CQI reporting information includes 3 bits.
- the CQI reporting information of the current 2 bits can be expanded to 3 bits, thereby expanding the original 4 level offset values to 8 levels to achieve more Accurate base station scheduling.
- the specific bit of the CQI reporting information can be adjusted as needed, for example, by expanding to a larger bit, which helps to contain more transmission information and achieve more accurate. Base station scheduling.
- the CQI reporting information is subband CQI information.
- Figure 6 shows a schematic block diagram of a base station in accordance with one embodiment of the present invention.
- a base station 600 includes a data transmission device 500 as shown in FIG.
- the technical solution of the present invention is described in detail above with reference to the accompanying drawings, and the present invention proposes a data
- the transmission method, a data transmission device and a base station can enable the terminal to accurately select the used MCS/CQI/TBS table for different modulation and coding modes, thereby smoothly implementing data transmission.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (21)
- 一种数据传输方法,其特征在于,包括:通知终端采用特定的MCS方式进行数据传输;以及当所述特定的MCS方式为256QAM时,通知所述终端选择对应于256QAM的MCS/CQI/TBS表格,以用于所述数据传输,否则通知所述终端选择原有的MCS/CQI/TBS表格,以用于所述数据传输。
- 根据权利要求1所述的数据传输方法,其特征在于,通知所述终端进行表格的选择的过程包括:通知所述终端采用特定的传输模式进行所述数据传输;其中,当通知所述终端采用所述特定的传输模式的主传输模式进行所述数据传输时,表明所述终端需要选择对应于256QAM的MCS/CQI/TBS表格,当通知所述终端采用所述特定的传输模式的回退模式进行所述数据传输时,表明所述终端需要选择原有的MCS/CQI/TBS表格。
- 根据权利要求2所述的数据传输方法,其特征在于,所述主传输模式表示相应的数据传输支持256QAM调制方式,所述回退模式表示相应的数据传输不支持256AQM调制方式。
- 根据权利要求2所述的数据传输方法,其特征在于,所述特定的传输模式包括:所述终端支持的任一传输模式;或仅由支持256QAM的终端专用的传输模式。
- 根据权利要求1所述的数据传输方法,其特征在于,通知所述终端进行表格的选择的过程包括:当所述特定的MCS方式为256QAM时,采用第一序列对相应的下行控制信息进行加扰,否则采用第二序列对相应的下行控制信息进行加扰。
- 根据权利要求1所述的数据传输方法,其特征在于,通知所述终端进行表格的选择的过程包括:生成消息帧,所述消息帧中包含表格类型标识,当所述表格类型标识为第一值时,表示所述终端需要选择对应于256QAM的MCS/CQI/TBS表 格,当所述表格类型标识为第二值时,表示所述终端需要选择原有的MCS/CQI/TBS表格;向所述终端发送所述消息帧。
- 根据权利要求6所述的数据传输方法,其特征在于,所述消息帧为RRC信令或MAC信令。
- 根据权利要求1至7中任一项所述的数据传输方法,其特征在于,还包括:当所述特定的MCS方式为256QAM时,扩展CQI上报信息的比特位数量。
- 根据权利要求8所述的数据传输方法,其特征在于,扩展后的所述CQI上报信息包含3个比特位。
- 根据权利要求8所述的数据传输方法,其特征在于,所述CQI上报信息为子带CQI信息。
- 一种数据传输装置,其特征在于,包括:调制编码方式通知单元,用于通知终端采用特定的MCS方式进行数据传输;表格类型通知单元,用于在所述特定的MCS方式为256QAM的情况下,通知所述终端选择对应于256QAM的MCS/CQI/TBS表格,以用于所述数据传输,否则通知所述终端选择原有的MCS/CQI/TBS表格,以用于所述数据传输。
- 根据权利要求11所述的数据传输装置,其特征在于,所述表格类型通知单元包括:传输模式通知子单元,用于通知所述终端采用特定的传输模式进行所述数据传输;其中,当通知所述终端采用所述特定的传输模式的主传输模式进行所述数据传输时,表明所述终端需要选择对应于256QAM的MCS/CQI/TBS表格,当通知所述终端采用所述特定的传输模式的回退模式进行所述数据传输时,表明所述终端需要选择原有的MCS/CQI/TBS表格。
- 根据权利要求12所述的数据传输装置,其特征在于,所述主传输 模式表示相应的数据传输支持256QAM调制方式,所述回退模式表示相应的数据传输不支持256AQM调制方式。
- 根据权利要求12所述的数据传输装置,其特征在于,所述特定的传输模式包括:所述终端支持的任一传输模式;或仅由支持256QAM的终端专用的传输模式。
- 根据权利要求11所述的数据传输装置,其特征在于,所述表格类型通知单元包括:加扰子单元,用于在所述特定的MCS方式为256QAM的情况下,采用第一序列对相应的下行控制信息进行加扰,否则采用第二序列对相应的下行控制信息进行加扰。
- 根据权利要求11所述的数据传输装置,其特征在于,所述表格类型通知单元包括:消息帧生成子单元,用于生成消息帧,所述消息帧中包含表格类型标识,当所述表格类型标识为第一值时,表示所述终端需要选择对应于256QAM的MCS/CQI/TBS表格,当所述表格类型标识为第二值时,表示所述终端需要选择原有的MCS/CQI/TBS表格;消息帧发送子单元,用于向所述终端发送所述消息帧。
- 根据权利要求16所述的数据传输装置,其特征在于,所述消息帧为RRC信令或MAC信令。
- 根据权利要求11至17中任一项所述的数据传输装置,其特征在于,还包括:信息扩展单元,用于当所述特定的MCS方式为256QAM时,扩展CQI上报信息的比特位数量。
- 根据权利要求18所述的数据传输装置,其特征在于,扩展后的所述CQI上报信息包含3个比特位。
- 根据权利要求18所述的数据传输装置,其特征在于,所述CQI上报信息为子带CQI信息。
- 一种基站,其特征在于,包括:如权利要求11至20中任一项所 述的数据传输装置。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036453.XA CN103746776A (zh) | 2014-01-24 | 2014-01-24 | 数据传输方法、数据传输装置和基站 |
| CN201510030231.1A CN104506282A (zh) | 2014-01-24 | 2015-01-20 | 数据传输方法、数据传输装置和基站 |
| CN201510030231.1 | 2015-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016115773A1 true WO2016115773A1 (zh) | 2016-07-28 |
Family
ID=50503770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2015/075543 Ceased WO2016115773A1 (zh) | 2014-01-24 | 2015-03-31 | 数据传输方法、数据传输装置和基站 |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN103746776A (zh) |
| WO (1) | WO2016115773A1 (zh) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9467269B2 (en) * | 2014-01-06 | 2016-10-11 | Intel IP Corporation | Systems and methods for modulation and coding scheme selection and configuration |
| US20150195819A1 (en) | 2014-01-06 | 2015-07-09 | Intel IP Corporation | Systems and methods for modulation and coding scheme selection and configuration |
| CN103746776A (zh) * | 2014-01-24 | 2014-04-23 | 宇龙计算机通信科技(深圳)有限公司 | 数据传输方法、数据传输装置和基站 |
| EP3611890B1 (en) | 2014-07-29 | 2022-04-06 | Telefonaktiebolaget LM Ericsson (publ) | Signaling of modulation configuration |
| WO2018059567A1 (zh) * | 2016-09-29 | 2018-04-05 | 华为技术有限公司 | 基于码本的信道状态信息反馈方法及设备 |
| CN109586841B (zh) * | 2017-09-29 | 2024-12-13 | 中兴通讯股份有限公司 | 信道质量指示信息的配置方法、相应设备及存储介质 |
| CN110034859B (zh) | 2018-01-12 | 2021-06-08 | 华为技术有限公司 | 一种通信方法及设备 |
| WO2019157697A1 (zh) * | 2018-02-14 | 2019-08-22 | 株式会社Ntt都科摩 | 传输块大小列表构建和选择方法、随机接入方法和通信设备 |
| CN116827733A (zh) * | 2020-04-29 | 2023-09-29 | 华为技术有限公司 | 数据传输方法及设备、芯片系统、计算机可读存储介质 |
| CN114389748B (zh) * | 2020-10-22 | 2025-08-22 | 维沃移动通信有限公司 | 调制和编码方案mcs指示信息传输方法、装置及通信设备 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014015829A1 (zh) * | 2012-07-27 | 2014-01-30 | 电信科学技术研究院 | 一种传输mcs指示信息的方法及装置 |
| CN103746776A (zh) * | 2014-01-24 | 2014-04-23 | 宇龙计算机通信科技(深圳)有限公司 | 数据传输方法、数据传输装置和基站 |
| US20140169297A1 (en) * | 2012-12-17 | 2014-06-19 | Lg Electronics Inc. | Method and apparatus for transmitting and receiving mcs index for 256qam in wireless access system |
| CN103973403A (zh) * | 2013-02-06 | 2014-08-06 | 中国移动通信集团公司 | 调制编码方案指示、下行数据接收方法及装置 |
| CN104052572A (zh) * | 2013-03-11 | 2014-09-17 | 北京三星通信技术研究有限公司 | 一种下行传输方法和用户终端设备 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546124B (zh) * | 2010-12-31 | 2015-12-16 | 华为技术有限公司 | 信干噪比的反馈方法和设备 |
| CN102624481A (zh) * | 2011-01-31 | 2012-08-01 | 中兴通讯股份有限公司 | 自适应调制编码方法及装置 |
| CN102571287B (zh) * | 2012-02-08 | 2015-02-25 | 普天信息技术研究院有限公司 | E-pdcch的加扰方法和ack/nack的传输方法 |
| PL4191913T3 (pl) * | 2012-02-20 | 2025-01-07 | Nokia Technologies Oy | Sterowanie schematem modulacji i kodowania dla transmisji między stacją bazową a urządzeniem użytkownika |
| CN113364556A (zh) * | 2012-03-02 | 2021-09-07 | 华为技术有限公司 | 信息传输方法和设备 |
-
2014
- 2014-01-24 CN CN201410036453.XA patent/CN103746776A/zh active Pending
-
2015
- 2015-01-20 CN CN201510030231.1A patent/CN104506282A/zh active Pending
- 2015-03-31 WO PCT/CN2015/075543 patent/WO2016115773A1/zh not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014015829A1 (zh) * | 2012-07-27 | 2014-01-30 | 电信科学技术研究院 | 一种传输mcs指示信息的方法及装置 |
| US20140169297A1 (en) * | 2012-12-17 | 2014-06-19 | Lg Electronics Inc. | Method and apparatus for transmitting and receiving mcs index for 256qam in wireless access system |
| CN103973403A (zh) * | 2013-02-06 | 2014-08-06 | 中国移动通信集团公司 | 调制编码方案指示、下行数据接收方法及装置 |
| CN104052572A (zh) * | 2013-03-11 | 2014-09-17 | 北京三星通信技术研究有限公司 | 一种下行传输方法和用户终端设备 |
| CN103746776A (zh) * | 2014-01-24 | 2014-04-23 | 宇龙计算机通信科技(深圳)有限公司 | 数据传输方法、数据传输装置和基站 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104506282A (zh) | 2015-04-08 |
| CN103746776A (zh) | 2014-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016115773A1 (zh) | 数据传输方法、数据传输装置和基站 | |
| EP3047586B1 (en) | Network node, user equipment and methods for obtaining a modulation and coding scheme | |
| US9325485B2 (en) | Apparatus and method to enable device-to-device (D2D) discovery in cellular networks | |
| CN108353405B (zh) | 用于无线通信系统中下行链路控制信道传送和检测的方法和装置 | |
| JP6640964B2 (ja) | 複数のチャネル品質情報値を構成するための、無線ノード、ワイヤレスデバイス及びそれらにおける方法 | |
| CN106797365B (zh) | 半正交多址接入的系统和方法 | |
| AU2017338894B2 (en) | Reporting of channel state information (CSI) feedback by a user equipment | |
| CN108352940A (zh) | 用于mtc操作的csi参考资源和cqi报告 | |
| CN103037524B (zh) | Tdd上下行子帧比例的双周期动态配置方法、基站、系统和通信设备 | |
| CN107079324B (zh) | 基站装置、终端装置及通信方法 | |
| CN113273295A (zh) | 用于物理侧链路(sl)控制信道监听的用户设备、基站和方法 | |
| US9883491B2 (en) | Aperiodic channel state information (CSI) reporting for carrier aggregation | |
| US20160057735A1 (en) | Methods of signaling mcs | |
| CN104980247A (zh) | 自适应调整调制编码方式和参考信号图样的方法、基站、终端和系统 | |
| CN111108708A (zh) | 多个cqi报告过程 | |
| CN110958698B (zh) | 一种信息指示方法及装置 | |
| CN107852616A (zh) | 终端装置、基站装置、通信方法以及集成电路 | |
| WO2018028467A1 (zh) | 传输块的发送方法和装置、接收方法和装置 | |
| EP3738236A1 (en) | Channel state information reporting without uplink shared channel | |
| CN101675619B (zh) | 蜂窝通信网络中的控制信道通信 | |
| CN107148792A (zh) | 基站装置、终端装置及通信方法 | |
| CN114731534B (zh) | 用于csi请求的用户装备、基站和方法 | |
| CN110417528B (zh) | 一种d2d通信的方法和装置 | |
| US11115882B2 (en) | Data transmission method, apparatus, and system | |
| WO2023278958A1 (en) | Control information-based index modulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15878450 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 15878450 Country of ref document: EP Kind code of ref document: A1 |
|
| 32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 07/12/2017) |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 15878450 Country of ref document: EP Kind code of ref document: A1 |



