WO2016078083A1 - 确定调制编码阶数的方法、装置和设备 - Google Patents
确定调制编码阶数的方法、装置和设备 Download PDFInfo
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Definitions
- the present invention relates to the field of communications and, more particularly, to a method, apparatus and apparatus for determining a modulation coding order.
- a technique of adaptive modulation and coding is known.
- a terminal device can calculate a channel quality indication (CQI) value of a current downlink. And the CQI value can be transmitted to the network device, so that the network device adjusts the downlink modulation and coding sequence (MCS) of the user according to the CQI value fed back by the terminal device, and completes downlink adaptation.
- CQI channel quality indication
- MCS downlink modulation and coding sequence
- SCMA Sparse Code Multiple Access
- OFDM Orthogonal Freq Terminal Equipment
- the CQI value obtained according to the AMC technology described above can only reflect the overall interference situation on the time-frequency resource multiplexed by the multiple terminal devices, and cannot reflect the multiple terminal devices in the multiplexed time-frequency resource.
- Embodiments of the present invention provide a method, apparatus, and device for determining a modulation coding order, which can be applied to adjustment of a modulation coding order of a terminal device that performs data transmission by multiplexing the same time-frequency resource.
- a method for determining a modulation coding order is provided, the method being performed on a network device, the method comprising: determining a terminal device that multiplexes a first time-frequency resource with a downlink data transmission of the network device in a first time period The number K, K ⁇ 2; the channel quality indication CQI is obtained, which is determined according to the signal-to-noise ratio (SINR) of the channel and the number K of the terminal devices, where the channel is a base And the channel is used to transmit downlink data between the first terminal device and the network device in the first time period; and the modulation coding order MCS of the first terminal device is determined according to the CQI.
- SINR signal-to-noise ratio
- the CQI is determined according to an SINR of the channel, a quantity K of the terminal device, and a first decoding iteration number, where the first decoding iteration number is The number of decoding iterations when the first terminal device decodes the downlink data.
- the CQI is based on an SINR of the channel, a quantity K of the terminal device, a quantity of the first acknowledgement message, and a first non-acknowledgement message.
- the number of the first confirmation message is an acknowledgment message sent by the first terminal device to the network device in the hybrid automatic retransmission request HARQ process for the downlink data, where the first non-acknowledgement message is in the HARQ process.
- the CQI is based on an SINR of the channel, a quantity K of the terminal device, a first decoding iteration number, and a first acknowledgement message.
- the first decoding iteration number is a decoding iteration number when the first terminal device decodes the downlink data
- the first acknowledgement message is for the downlink data
- the acknowledgment message sent by the first terminal device to the network device in the HARQ process, the first non-acknowledgement message is a non-acknowledgement message sent by the first terminal device to the network device in the HARQ process.
- the acquiring the CQI includes: sending, to the first terminal device, first indication information, where the first indication information is used to indicate the terminal device The number K is received by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is determined by the first terminal device according to the SINR of the channel and the number K of the terminal devices. .
- the acquiring the CQI includes: sending, to the first terminal device, first indication information, where the first indication information is used to indicate the terminal device The number K is received by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the SINR of the first terminal device according to the channel, the number K of the terminal devices, and the number The number of decoding iterations determined is the number of decoding iterations when the first terminal device decodes the downlink data.
- Obtaining the CQI includes: sending the first indication information to the first terminal device, where the first indication information is used to indicate the number K of the terminal devices; and receiving the second indication information sent by the first terminal device, where the second indication information is used by the second terminal information
- the CQI is determined by the first terminal device according to the SINR of the channel, the number K of the terminal devices, the number of first acknowledgement messages, and the number of first non-acknowledgment messages, where the first acknowledgement message is directed to The acknowledgment message sent by the first terminal device to the network device in the HARQ process, the first non-acknowledgment message is a non-acknowledgment sent by the first terminal device to the network device in the HARQ process.
- Message the first indication information is used to indicate the number K of the terminal devices.
- the acquiring the CQI includes: sending, to the first terminal device, first indication information, where the first indication information is used to indicate the terminal device The number K is received by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the SINR of the first terminal device according to the channel, the number K of the terminal devices, and the number Determining the number of decoding iterations, the number of first acknowledgement messages, and the number of first unacknowledged messages, the first number of decoding iterations is the number of decoding iterations when the first terminal device decodes the downlink data.
- the first acknowledgment message is an acknowledgment message sent by the first terminal device to the network device in the hybrid automatic retransmission request (HARQ) process for the downlink data, where the first non-acknowledgment message is the first terminal device in the HARQ process.
- HARQ hybrid automatic retransmission request
- the acquiring the CQI includes: receiving the third indication information sent by the first terminal device, where the third indication information is used to indicate the first a CQI fed back by the terminal device, the CQI fed back by the first terminal device is determined by the first terminal device according to the SINR of the channel, and the CQI fed back by the first terminal device is processed according to the number K of the terminal device, Determine the CQI.
- the method further includes: receiving fourth indication information that is sent by the first terminal device, where the fourth indication information is used to indicate the first Decoding the number of iterations, the number of decoding iterations is the number of decoding iterations when the first terminal device decodes the downlink data; and the feedback to the first terminal device according to the number K of the terminal devices
- the processing of the CQI includes: processing the CQI fed back by the first terminal device according to the number K of the terminal devices and the number of the first decoding iterations.
- the method further includes: determining a quantity of the first acknowledgement message and a quantity of the first non-acknowledgement message, where the first acknowledgement message is directed to
- the first terminal device sends the network device to the network device in the HARQ process of the downlink data
- the acknowledgment message, the first acknowledgment message is a non-acknowledgment message sent by the first terminal device to the network device in the HARQ process; and the CQI fed back to the first terminal device according to the number K of the terminal device
- the processing includes: processing, according to the number K of the terminal devices, the number of the first acknowledgement message, and the number of the first non-acknowledgment message, the CQI fed back by the first terminal device.
- the method further includes: receiving, by the first terminal device, fourth indication information, where the fourth indication information is used to indicate a decoding iteration number, the first decoding iteration number is a decoding iteration number when the first terminal device decodes the downlink data; determining the number of the first confirmation message and the number of the first non-confirmation message,
- the first acknowledgement message is an acknowledgment message sent by the first terminal device to the network device in the HARQ process of the downlink data, where the first non-acknowledgment message is sent by the first terminal device to the network device in the HARQ process.
- the non-confirmation message; and the CQI that is fed back by the first terminal device according to the number K of the terminal devices including: according to the number K of the terminal devices, the first decoding iteration number, and the first acknowledgement message
- the quantity and the number of the first non-confirmation message are processed by the CQI fed back by the first terminal device.
- the method is applied to a sparse code division multiple access communication system, where the first time-frequency resource is at least two resource units RE Time-frequency resource block.
- a method for determining a modulation coding order comprising: determining a terminal device that multiplexes a first time-frequency resource with a downlink data transmission of the network device in a first time period The number K, K ⁇ 2; receiving the first indication information sent by the first terminal device, where the first indication information is used to indicate a channel quality indicator CQI, where the CQI is determined by the first terminal device according to the SINR of the channel,
- the channel is a channel based on the first time-frequency resource, where the channel is used to transmit downlink data between the first terminal device and the network device in the first time period; and the number of the terminal device is determined according to the preset mapping relationship information.
- the modulation coding order MCS corresponding to the value of the CQI is used as the MCS of the first terminal device, where the mapping relationship information is used to indicate a one-to-one mapping relationship between the N parameter sets and the N MCSs.
- Each parameter set includes a terminal device number value and a CQI value, N ⁇ 2.
- each parameter set further includes a decoding iteration number value; the method further includes: receiving, by the first terminal device, second indication information, where The second indication information is used to indicate the number of first decoding iterations, and the first decoding iteration number is Decoding the number of times of decoding when the first terminal device decodes the downlink data; and determining, according to the preset mapping relationship information, the MCS corresponding to the value of the number of terminal devices K and the value of the CQI, The method includes: determining, according to preset mapping relationship information, an MCS corresponding to a value of the number K of the terminal devices, a value of the CQI, and a value of the first decoding iteration number.
- each parameter set further includes a quantity value of the acknowledgement message and a quantity value of the non-confirmation message; the method further includes: determining a quantity of the acknowledgment message and the number of the first acknowledgment message, the first acknowledgment message being an acknowledgment message sent by the first terminal device to the network device during the hybrid automatic repeat request (HARQ) for the downlink data, the first The non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the network device in the HARQ process, where the adjustment policy information further includes the quantity of the first acknowledgement message and the number of the first non-acknowledgement message; And determining, by the mapping relationship information, the MCS corresponding to the value of the number of the terminal devices and the value of the CQI, including: determining, according to the preset mapping relationship information, a value of the number K of the terminal device, the CQI The value, the number of the first acknowledge
- each parameter set further includes a decoding iteration number value, a quantity value of an acknowledgement message, and a quantity value of a non-confirmation message;
- the method further includes: receiving second indication information that is sent by the first terminal device, where the second indication information is used to indicate a first decoding iteration number, where the first decoding iteration number is the downlink data of the first terminal device The number of decoding iterations during the decoding process; determining the number of the first acknowledgment message and the number of the first acknowledgment message, the first acknowledgment message being sent by the first terminal device to the network in the HARQ process for the downlink data a confirmation message of the device, the first non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the network device in the HARQ process, where the adjustment policy information further includes the quantity of the first acknowledgement message and the first non-acknowledgement a quantity of
- the method is applied to a sparse code division multiple access communication system, where the first time-frequency resource is at least two resource units RE Frequency resource block.
- a method for determining a modulation coding order is provided, the method being performed at K ends a first terminal device in the end device, the method comprising: determining a signal to noise ratio SINR of the channel, wherein the channel is a channel based on the first time frequency resource, the channel is used between the first terminal device and the network device
- the downlink data is transmitted in the first time period, and the K terminal devices multiplex the first time-frequency resource with the network device for downlink data transmission in the first time period, K ⁇ 2; receiving the first indication information sent by the network device, where The first indication information is used to indicate the number K of the terminal devices; the channel quality indicator CQI is determined according to the signal to noise ratio SINR of the channel and the number K of the terminal devices; and the second indication information is sent to the network device, the second indication The information is used to indicate the CQI, so that the network device determines the modulation coding order MCS of the first terminal device according to the CQI.
- determining a CQI according to a signal-to-noise ratio SINR of the channel and a quantity K of the terminal device including: according to the SINR of the channel, the number of the terminal devices And the first decoding iteration number, determining a CQI, where the first decoding iteration number is a decoding iteration number when the first terminal device performs decoding processing on the downlink data.
- determining a CQI according to a signal-to-noise ratio SINR of the channel and a quantity K of the terminal device including: according to the SINR of the channel, Determining a CQI by the number K of the terminal devices, the number of the first acknowledgment messages, and the number of the first acknowledgment messages, where the first acknowledgment message is sent to the first terminal device in the hybrid automatic retransmission request HARQ process for the downlink data
- the acknowledgment message of the network device, the first non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the network device in the HARQ process.
- determining a CQI according to a signal-to-noise ratio SINR of the channel and a quantity K of the terminal device including: according to the SINR of the channel, Determining a CQI, the number of first decoding iterations, the number of first decoding iterations, the number of first acknowledgement messages, and the number of first non-acknowledgment messages, the first decoding iteration number being the first terminal device translating the downlink data
- the first acknowledgment message is an acknowledgment message sent by the first terminal device to the network device in the hybrid automatic repeat request HARQ process for the downlink data
- the first acknowledgment message is the A non-acknowledgment message sent by the first terminal device to the network device during the HARQ process.
- the method is applied to a sparse code division multiple access communication system, where the first time-frequency resource is at least two resource units RE Frequency resource block.
- a method for determining a modulation coding order is provided, the method being performed on K ends a first terminal device in the end device, the method comprising: determining a signal to noise ratio SINR of the channel, wherein the channel is a channel based on the first time frequency resource, the channel is used between the first terminal device and the network device
- the first time period transmits downlink data
- the K terminal devices multiplex the first time-frequency resource with the network device for downlink data transmission in the first time period, K ⁇ 2; and determine a channel quality indicator CQI according to the SINR of the channel
- the method is applied to a sparse code division multiple access communication system, where the first time-frequency resource is a time-frequency resource block including at least two resource units RE.
- an apparatus for determining a modulation coding order comprising: a quantity determining unit, configured to determine a number of terminal devices that multiplex the first time-frequency resource with the device for downlink data transmission in a first time period K, K ⁇ 2; a CQI determining unit, configured to obtain a channel quality indicator CQI, where the CQI is determined according to a signal to noise ratio (SINR) of the channel and a quantity K of the terminal device, where the channel is based on the first time-frequency resource The channel is used to transmit downlink data between the first terminal device and the device during the first time period; and the MCS determining unit is configured to determine, according to the CQI, a modulation and coding order MCS of the first terminal device.
- a quantity determining unit configured to determine a number of terminal devices that multiplex the first time-frequency resource with the device for downlink data transmission in a first time period K, K ⁇ 2
- a CQI determining unit configured to obtain a channel quality indicator CQI,
- the CQI is determined according to an SINR of the channel, a quantity K of the terminal device, and a first decoding iteration number, where the first decoding iteration number is The number of decoding iterations when the first terminal device decodes the downlink data.
- the CQI is based on an SINR of the channel, a quantity K of the terminal device, a quantity of the first acknowledgement message, and a first non-acknowledgement message.
- the first confirmation message is an acknowledgement message sent by the first terminal device to the device in the hybrid automatic repeat request HARQ process for the downlink data, the first non-acknowledgement message being the first in the HARQ process.
- the CQI is based on an SINR of the channel, a quantity K of the terminal device, a first decoding iteration number, and a first acknowledgement message.
- the first number of decoding iterations is The number of decoding iterations when the first terminal device decodes the downlink data
- the first acknowledgement message is a confirmation that the first terminal device sends the device to the device during the hybrid automatic repeat request HARQ process for the downlink data.
- the message, the first non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process.
- the device further includes: a sending unit, configured to send first indication information to the first terminal device, where the first indication information is used
- the receiving unit is configured to receive the second indication information that is sent by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the first terminal device according to the channel
- the SINR is determined by the number K of the terminal devices; and the CQI determining unit is specifically configured to determine the CQI according to the second indication information.
- the device further includes: a sending unit, configured to send first indication information to the first terminal device, where the first indication information is used
- the receiving unit is configured to receive the second indication information that is sent by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the first terminal device according to the channel Determined by the SINR, the number K of the terminal devices, and the number of first decoding iterations, the number of decoding iterations when the first terminal device decodes the downlink data; and the CQI determination
- the unit is specifically configured to determine the CQI according to the second indication information.
- the device further includes: a sending unit, configured to send first indication information to the first terminal device, where the first indication information is used
- the receiving unit is configured to receive the second indication information that is sent by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the first terminal device according to the channel Determining the SINR, the number K of the terminal devices, the number of first acknowledgement messages, and the number of first non-acknowledgement messages, the first acknowledgement message is a hybrid automatic repeat request for the downlink data, the first terminal device in the HARQ process
- An acknowledgment message sent to the device, the first non-acknowledgment message is a non-acknowledgement message sent by the first terminal device to the device in the HARQ process
- the CQI determining unit is specifically configured to determine, according to the second indication information, CQI.
- the device further includes: a sending unit, configured to send first indication information to the first terminal device, where the first indication information is used
- the receiving unit is configured to receive the second indication information sent by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the first
- the terminal device determines, according to the SINR of the channel, the number K of the terminal devices, the number of first decoding iterations, the number of first acknowledgement messages, and the number of first unacknowledged messages, the first number of decoding iterations is the first The number of decoding iterations when the terminal device decodes the downlink data
- the first acknowledgement message is an acknowledgement message sent by the first terminal device to the device in the hybrid automatic repeat request HARQ process for the downlink data
- the first non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process; and the CQ
- the device further includes: a receiving unit, configured to receive third indication information that is sent by the first terminal device, where the third indication information is a CQI for indicating the feedback of the first terminal device, where the CQI fed back by the first terminal device is determined by the first terminal device according to the SINR of the channel; and the CQI determining unit is specifically configured to use, according to the number K of the terminal device, The CQI fed back by the first terminal device is processed to determine the CQI.
- the third indication information is a CQI for indicating the feedback of the first terminal device, where the CQI fed back by the first terminal device is determined by the first terminal device according to the SINR of the channel
- the CQI determining unit is specifically configured to use, according to the number K of the terminal device, The CQI fed back by the first terminal device is processed to determine the CQI.
- the receiving unit is further configured to receive fourth indication information that is sent by the first terminal device, where the fourth indication information is used to indicate a decoding iteration number, the first decoding iteration number is a decoding iteration number when the first terminal device decodes the downlink data; and the CQI determining unit is specifically configured to use the number K of the terminal device The first number of decoding iterations processes the CQI fed back by the first terminal device.
- the CQI determining unit is further configured to determine a quantity of the first acknowledgement message and a quantity of the first non-acknowledgment message, the first acknowledgement message An acknowledgment message sent by the first terminal device to the device in the HARQ process of the downlink data, where the first non-acknowledgement message is a non-acknowledgement message sent by the first terminal device to the device in the HARQ process, according to The number K of the terminal devices, the number of the first acknowledgement message, and the number of the first non-acknowledgment message are processed by the CQI fed back by the first terminal device.
- the receiving unit is further configured to receive fourth indication information that is sent by the first terminal device, where the fourth indication information is used to indicate a first decoding iteration number, the first decoding iteration number is a decoding iteration number when the first terminal device performs decoding processing on the downlink data;
- the CQI determining unit is further configured to determine a quantity and a first acknowledgement message The number of the first non-confirmation message, the first confirmation message is for the downlink number
- the quantity K, the number of the first decoding iterations, the number of the first acknowledgement message, and the number of the first unconfirmed message process the CQI fed back by the first terminal device.
- the device is configured in a sparse code division multiple access communication system, where the first time-frequency resource is at least two resource units RE Time-frequency resource block.
- the device is a network device.
- an apparatus for determining a modulation coding order comprising: a quantity determining unit, configured to determine a number of terminal devices that multiplex the first time-frequency resource with the device for downlink data transmission in a first time period K, K ⁇ 2; a receiving unit, configured to receive first indication information that is sent by the first terminal device, where the first indication information is used to indicate a channel quality indicator CQI, where the CQI is determined by the first terminal device according to a SINR of the channel
- the channel is a channel based on the first time-frequency resource, where the channel is used to transmit downlink data between the first terminal device and the device in the first time period; and the MSC determining unit is configured to use the preset mapping relationship information according to the preset mapping relationship information.
- each parameter set includes a terminal device number value and a CQI value, N ⁇ 2.
- each parameter set further includes a decoding iteration number value;
- the receiving unit is further configured to receive second indication information sent by the first terminal device, where The second indication information is used to indicate a first decoding iteration number, where the first decoding iteration number is a decoding iteration number when the first terminal device performs decoding processing on the downlink data;
- the MSC determining unit is specifically used to And determining, according to the preset mapping relationship information, an MCS corresponding to the value of the number K of the terminal devices, the value of the CQI, and the value of the first decoding iteration number.
- each parameter set further includes a quantity value of the acknowledgement message and a quantity value of the non-confirmation message; the quantity determining unit is further used to Determining, by the number of the first acknowledgment message, the number of the first acknowledgment message, the acknowledgment message sent by the first terminal device to the device in the hybrid automatic retransmission request HARQ process for the downlink data, where the A non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process, and the adjustment policy information further includes the first acknowledgement message And the number of the first non-confirmed message; and the MSC determining unit is specifically configured to determine, according to the preset mapping relationship information, a value of the number K of the terminal device, a value of the CQI, and the first acknowledgement The number of messages corresponds to the MCS of the number of the first unconfirmed message.
- each parameter set further includes a decoding iteration number value, a quantity value of an acknowledgement message, and a quantity value of a non-confirmation message;
- the receiving unit is further configured to receive the second indication information that is sent by the first terminal device, where the second indication information is used to indicate a first decoding iteration number, where the first decoding iteration number is the downlink of the first terminal device The number of decoding iterations when the data is subjected to the decoding process; the number determining unit is further configured to determine the number of the first acknowledgement message and the number of the first non-acknowledgment message, where the first acknowledgement message is in the HARQ process for the downlink data An acknowledgment message sent by the first terminal device to the device, the first acknowledgment message is a non-acknowledgement message sent by the first terminal device to the device in the HARQ process, and the adjustment policy information further includes the quantity of the first acknowledgment message
- the device is configured in a sparse code division multiple access communication system, where the first time-frequency resource is at least two resource units RE Frequency resource block.
- the device is a network device.
- a seventh aspect provides a device for determining a modulation coding order, the device belonging to K terminal devices, the device comprising: a determining unit, configured to determine a signal to noise ratio SINR of the channel, wherein the channel is based on the first time a channel of a frequency resource, the channel is used for transmitting downlink data between the device and the network device in a first time period, and the K terminal devices multiplex the first time-frequency resource with the network device for downlink data transmission in the first time period And a receiving unit, configured to receive first indication information sent by the network device, where the first indication information is used to indicate the number K of the terminal devices; the determining unit further uses a signal to noise ratio SINR according to the channel And determining, by the number K of the terminal devices, a channel quality indicator (CQI), the sending unit, configured to send the second indication information to the network device, where the second indication information is used to indicate the CQI, so that the network device determines, according to the CQI,
- the determining unit is specifically configured to be used
- the CQI is determined according to the SINR of the channel, the number K of the terminal devices, and the number of first decoding iterations.
- the first decoding iteration number is the number of decoding iterations when the device performs decoding processing on the downlink data.
- the determining unit is specifically configured to use, according to the SINR of the channel, the number K of the terminal devices, the number of the first acknowledgement message, and the first Determining a CQI, the first acknowledgment message is an acknowledgment message sent by the device to the network device in a hybrid automatic retransmission request HARQ process for the downlink data, where the first non-acknowledgement message is in the HARQ process The device sends a non-acknowledgment message to the network device.
- the determining unit is specifically configured to use, according to the SINR of the channel, the number K of the terminal devices, the number of first decoding iterations, and the first Determining the number of the acknowledgment message and the number of the first acknowledgment message, determining the CQI, the first number of decoding iterations is the number of decoding iterations when the device performs decoding processing on the downlink data, and the first acknowledgment message is for the downlink
- the hybrid automatic repeat request of the data is an acknowledgment message sent by the device to the network device during the HARQ process
- the first non-acknowledgment message is a non-acknowledgment message sent by the device to the network device in the HARQ process.
- the device is configured in a sparse code division multiple access communication system, where the first time-frequency resource is at least two resource units RE Frequency resource block.
- an apparatus for determining a modulation coding order comprising: a determining unit, configured to determine a signal to noise ratio SINR of the channel, wherein the channel is based on the first time a channel of a frequency resource, the channel is used for transmitting downlink data between the device and the network device in a first time period, and the K terminal devices multiplex the first time-frequency resource with the network device for downlink data transmission in the first time period
- K ⁇ 2 configured to determine a channel quality indicator CQI according to the SINR of the channel, and send, by the sending unit, the first indication information and the second indication information, where the first indication information is used to indicate the CQI
- the second indication information is used to indicate the number of first decoding iterations, where the number of decoding iterations is the number of decoding iterations when the device performs decoding processing on the downlink data, so that the network device is configured according to the terminal device.
- the device is configured in a sparse code division multiple access communication system, where the first time-frequency resource is a time-frequency resource including at least two resource units RE Piece.
- an apparatus for determining a modulation coding order comprising: a bus; a processor coupled to the bus; a memory coupled to the bus; a transceiver coupled to the bus; wherein the processor Calling, by the bus, a program stored in the memory, for determining a quantity K, K ⁇ 2 of the terminal device that multiplexes the first time-frequency resource with the device for downlink data transmission in the first time period; and is used for acquiring channel quality Instructing CQI, the CQI is determined according to a signal to noise ratio SINR of the channel and a number K of the terminal device, wherein the channel is a channel based on the first time-frequency resource, where the channel is used by the first terminal device and the device And transmitting downlink data in the first time period; and determining, according to the CQI, a modulation coding order MCS of the first terminal device.
- the CQI is determined according to an SINR of the channel, a quantity K of the terminal device, and a first decoding iteration number, where the first decoding iteration number is The number of decoding iterations when the first terminal device decodes the downlink data.
- the CQI is based on an SINR of the channel, a quantity K of the terminal device, a quantity of the first acknowledgement message, and a first non-acknowledgement message.
- the number of the first confirmation message is an acknowledgement message sent by the first terminal device to the device in the HARQ process for the hybrid automatic retransmission request of the downlink data, where the first non-acknowledgment message is the first in the HARQ process.
- the CQI is based on an SINR of the channel, a quantity K of the terminal device, a first decoding iteration number, and a first acknowledgement message.
- the first decoding iteration number is a decoding iteration number when the first terminal device decodes the downlink data
- the first acknowledgement message is for the downlink data
- the processor is specifically configured to control the transceiver to send the first indication information to the first terminal device, where the first indication information is used by Instructing the transceiver to receive the second indication information sent by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the SINR of the first terminal device according to the channel And the number of the terminal devices is determined by K.
- the processor is specifically configured to control the transceiver to send the first indication information to the first terminal device, where the first indication information is used to indicate the number K of the terminal devices, and is configured to control the transceiver to receive the first terminal device to send a second indication information, where the second indication information is used to indicate the CQI, where the CQI is determined by the first terminal device according to an SINR of the channel, a quantity K of the terminal device, and a first decoding iteration number, the first translation
- the number of code iterations is the number of decoding iterations when the first terminal device decodes the downlink data.
- the processor is specifically configured to control the transceiver to send the first indication information to the first terminal device, where the first indication information is used by Instructing the transceiver to receive the second indication information sent by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the SINR of the first terminal device according to the channel Determining, by the number K of the terminal devices, the number of the first acknowledgement message, and the number of the first non-acknowledgement message, the first acknowledgement message is sent by the first terminal device in the hybrid automatic repeat request HARQ process for the downlink data An acknowledgment message to the device, the first non-acknowledgement message is a non-acknowledgement message sent by the first terminal device to the device in the HARQ process.
- the processor is specifically configured to control the transceiver to send the first indication information to the first terminal device, where the first indication information is used by Instructing the transceiver to receive the second indication information sent by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the SINR of the first terminal device according to the channel And determining, by the first terminal device, the downlink data, by determining, by the first terminal device, the number of the terminal devices, the number of the first decoding iterations, the number of the first acknowledgment messages, and the number of the first acknowledgment messages.
- the first acknowledgment message is an acknowledgment message sent by the first terminal device to the device in the hybrid automatic repeat request HARQ process for the downlink data
- the first acknowledgment message is the A non-acknowledgment message sent by the first terminal device to the device during the HARQ process.
- the processor is specifically configured to control the transceiver to receive the third indication information that is sent by the first terminal device, where the third indication information is a CQI for indicating the feedback of the first terminal device, where the CQI fed back by the first terminal device is determined by the first terminal device according to the SINR of the channel, and is used for the first terminal device according to the quantity K of the terminal device.
- the feedback CQI is processed to determine the CQI.
- the processor is specifically configured to control the transceiver to receive the fourth indication information sent by the first terminal device, where the fourth indication information is used to indicate a first decoding iteration number, where the first decoding iteration number is the first terminal device The number of decoding iterations when the downlink data is decoded; and for processing the CQI fed back by the first terminal device according to the number K of the terminal devices and the number of the first decoding iterations.
- the processor is specifically configured to determine a quantity of the first acknowledgement message and a quantity of the first non-acknowledgement message, where the first acknowledgement message is An acknowledgment message sent by the first terminal device to the device in the HARQ process of the downlink data, where the first non-acknowledgement message is a non-acknowledgement message sent by the first terminal device to the device in the HARQ process;
- the number of terminal devices K, the number of the first acknowledgement message, and the number of the first unconfirmed message process the CQI fed back by the first terminal device.
- the processor is specifically configured to control the transceiver to receive the fourth indication information sent by the first terminal device, where the fourth indication is The information is used to indicate the number of first decoding iterations, where the number of decoding iterations is the number of decoding iterations when the first terminal device decodes the downlink data;
- the feedback CQI is processed.
- the device is configured in a sparse code division multiple access communication system, where the first time-frequency resource is at least two resource units RE Time-frequency resource block.
- the device is a network device.
- an apparatus for determining a modulation coding order comprising: a bus; a processor coupled to the bus; a memory coupled to the bus; a transceiver coupled to the bus; wherein the processor And the program stored in the memory is used to determine the number of terminal devices K, K ⁇ 2 for multiplexing the first time-frequency resource and the device for downlink data transmission in the first time period; Receiving, by the first terminal device, first indication information, where the first indication information is used to indicate a channel quality indicator CQI, where the CQI is based on a channel of the first terminal device Determined by the SINR, the channel is a channel based on the first time-frequency resource, where the channel is used to transmit downlink data between the first terminal device and the device in the first time period; and is used to determine, according to preset mapping relationship information, a modulation coding order MCS corresponding to the value of the number K of the terminal device and the value of the CQI, as the MCS of
- each parameter set further includes a decoding iteration number value;
- the processor is further configured to control the transceiver to receive the second sent by the first terminal device Instructing information, the second indication information is used to indicate a first decoding iteration number, where the first decoding iteration number is a decoding iteration number when the first terminal device performs decoding processing on the downlink data;
- the mapping relationship information is set to determine the MCS corresponding to the value of the number K of the terminal devices, the value of the CQI, and the value of the first decoding iteration number.
- each parameter set further includes a quantity value of an acknowledgement message and a quantity value of a non-confirmation message;
- the processor is further configured to determine a quantity of the first acknowledgment message and a quantity of the first acknowledgment message, where the first acknowledgment message is a acknowledgment message sent by the first terminal device to the device in the hybrid automatic retransmission request HARQ process for the downlink data, the first The non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process, where the adjustment policy information further includes the quantity of the first acknowledgement message and the number of the first non-acknowledgement message;
- the mapping relationship information is set to determine the MCS corresponding to the value of the number K of the terminal devices, the value of the CQI, the number of the first acknowledgement message, and the number of the first unconfirmed message.
- each parameter set further includes a decoding iteration number value, a quantity value of an acknowledgement message, and a quantity value of a non-confirmation message;
- the processor is further configured to control the transceiver to receive the second indication information sent by the first terminal device, where the second indication information is used to indicate a first decoding iteration number, the first decoding iteration number is the first terminal The number of decoding iterations when the device decodes the downlink data; the number of the first acknowledgement message and the number of the first non-acknowledgement message, the first acknowledgement message is the HARQ process for the downlink data
- An acknowledgment message sent by the terminal device to the device, the first acknowledgment message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process, and the adjustment policy information further includes a quantity and a quantity of the first acknowledgment message.
- the number of the first non-confirmation message used to determine the value of the number K of the terminal device according to the preset mapping relationship information, The value of the CQI, the first decoding iteration number value, the number of the first acknowledgement message, and the MCS corresponding to the number of the first unconfirmed message.
- the device is configured in a sparse code division multiple access communication system, where the first time-frequency resource is at least two resource units RE Frequency resource block.
- the device is a network device.
- a device for determining a modulation coding order the device belonging to K terminal devices, the device comprising: a bus; a processor connected to the bus; a memory connected to the bus; connected to the bus Transceiver; wherein the processor calls a program stored in the memory through the bus for determining a signal to noise ratio SINR of the channel, wherein the channel is a channel based on a first time-frequency resource, the channel is used for The downlink data is transmitted between the device and the network device in a first time period, and the K terminal devices multiplex the first time-frequency resource with the network device for downlink data transmission in the first time period, K ⁇ 2;
- the transceiver receives the first indication information sent by the network device, where the first indication information is used to indicate the number K of the terminal devices; and is used to determine a channel quality indicator according to the signal to noise ratio SINR of the channel and the number K of the terminal devices.
- a CQI configured to send the second indication information to the network device, where
- the processor is specifically configured to determine a CQI according to an SINR of the channel, a quantity K of the terminal device, and a first decoding iteration number.
- the number of decoding iterations is the number of decoding iterations when the device decodes the downlink data.
- the processor is specifically configured to use, according to the SINR of the channel, the number K of the terminal devices, the quantity of the first acknowledgement message, and Determining, by the quantity of the first non-acknowledgment message, a CQI, where the first acknowledgement message is an acknowledgement message sent by the device to the network device in a hybrid automatic repeat request (HARQ) process for the downlink data, the first non-acknowledgement message being the HARQ A non-acknowledgment message sent by the device to the network device during the process.
- HARQ hybrid automatic repeat request
- the processor is specifically configured to: according to the SINR of the channel, the number K of the terminal devices, the number of first decoding iterations, Determining the CQI by determining the number of the first acknowledgement message and the number of the first unconfirmed message
- the first decoding iteration number is the number of decoding iterations when the device decodes the downlink data
- the first acknowledgement message is sent to the network device by the device during the hybrid automatic retransmission request HARQ process for the downlink data.
- the acknowledgment message, the first non-acknowledgment message is a non-acknowledgment message sent by the device to the network device in the HARQ process.
- the device belongs to a sparse code division multiple access communication system, where the first time-frequency resource is at least two resource units RE Time-frequency resource block.
- an apparatus for determining a modulation coding order the apparatus being implemented by K terminal devices, the apparatus comprising: a bus; a processor connected to the bus; a memory connected to the bus; and the bus a connected transceiver; wherein the processor calls a program stored in the memory through the bus for determining a signal to noise ratio SINR of the channel, wherein the channel is a channel based on the first time-frequency resource, and the channel is used by the channel Transmitting downlink data between the device and the network device in a first time period, where the K terminal devices multiplex the first time-frequency resource with the network device for downlink data transmission, K ⁇ 2; The SINR of the channel, the channel quality indicator CQI is determined; the control transceiver is configured to send the first indication information and the second indication information to the network device, where the first indication information is used to indicate the CQI, and the second indication information is used to indicate a first decoding iteration number, the first decoding iter
- the device belongs to a sparse code division multiple access communication system, and the first time-frequency resource is a time-frequency resource block including at least two resource units RE.
- a method, an apparatus, and a device for determining a modulation coding order wherein K terminal devices multiplex the same time-frequency resource with a network device for data transmission in the same period, and the first terminal device and the network device pass
- the CQI determined by the channel-based signal-to-noise ratio is processed according to the number of terminal devices K according to the channel transmission data of the time-frequency resource, and the processed CQI can be reflected in the data transmission process of the first terminal device.
- the modulation coding order of the first terminal device is adjusted according to the CQI after the above processing, so that the adjusted modulation coding order can be adapted to the interference noise condition of the first terminal device, thereby being applicable to The adjustment of the modulation coding order of the terminal device that multiplexes the same time-frequency resource for data transmission.
- FIG. 1 is a schematic diagram of a communication system using the method of determining modulation coding order of the present invention.
- FIG. 2 is a schematic flow chart of a method of determining a modulation coding order according to an embodiment of the invention.
- FIG. 3 is a schematic interaction diagram of a method of determining a modulation coding order, in accordance with an embodiment of the present invention.
- FIG. 4 is a schematic interaction diagram of a method of determining a modulation coding order, in accordance with another embodiment of the present invention.
- FIG. 5 is a schematic flowchart of a method of determining a modulation coding order according to another embodiment of the present invention.
- FIG. 6 is a schematic interaction diagram of a method of determining a modulation coding order according to still another embodiment of the present invention.
- FIG. 7 is a schematic flowchart of a method of determining a modulation coding order according to still another embodiment of the present invention.
- FIG. 8 is a schematic flowchart of a method of determining a modulation coding order according to still another embodiment of the present invention.
- FIG. 9 is a schematic structural diagram of an apparatus for determining a modulation coding order according to an embodiment of the present invention.
- FIG. 10 is a schematic structural diagram of an apparatus for determining a modulation coding order according to another embodiment of the present invention.
- FIG. 11 is a schematic structural diagram of an apparatus for determining a modulation coding order according to still another embodiment of the present invention.
- FIG. 12 is a schematic structural diagram of an apparatus for determining a modulation coding order according to still another embodiment of the present invention.
- FIG. 13 is a schematic structural diagram of an apparatus for determining a modulation coding order according to an embodiment of the present invention.
- FIG. 14 is a schematic diagram of an apparatus for determining a modulation coding order according to another embodiment of the present invention. Composition.
- FIG. 15 is a schematic structural diagram of an apparatus for determining a modulation coding order according to still another embodiment of the present invention.
- 16 is a schematic structural diagram of an apparatus for determining a modulation coding order according to still another embodiment of the present invention.
- a component can be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
- an application running on a computing device and a computing device can be a component.
- One or more components can reside within a process and/or execution thread, and the components can be located on one computer and/or distributed between two or more computers.
- these components can execute from various computer readable media having various data structures stored thereon.
- a component may, for example, be based on signals having one or more data packets (eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems) Communicate through local and/or remote processes.
- data packets eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems
- a terminal device may also be called an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or a user device.
- the access terminal may be a cellular phone, a cordless phone, a SIP (Session Initiation Protocol) phone, a WLL (Wireless Local Loop) station, a PDA (Personal Digital Assistant), and a wireless communication.
- the present invention describes various embodiments in connection with a network device.
- the network device can be used to communicate with the mobile device, and the network device can be GSM (Global System of Mobile communication, Global Mobile Communication) or BTS (Base Transceiver Station) in CDMA (Code Division Multiple Access), or NB in Node WCDMA (Wideband Code Division Multiple Access) , the base station), may also be an eNB or an eNodeB (Evolutional Node B) in an LTE (Long Term Evolution), or a relay station or an access point, or an in-vehicle device, a wearable device, and a future 5G network.
- GSM Global System of Mobile communication, Global Mobile Communication
- BTS Base Transceiver Station
- CDMA Code Division Multiple Access
- NB Node WCDMA (Wideband Code Division Multiple Access)
- the base station may also be an eNB or an eNodeB (Evolutional Node B) in an LTE (Long Term Evolution), or a relay station or
- the term "article of manufacture” as used in this application encompasses a computer program accessible from any computer-readable device, carrier, or media.
- the computer readable medium may include, but is not limited to, a magnetic storage device (for example, a hard disk, a floppy disk, or a magnetic tape), and an optical disk (for example, a CD (Compact Disk), a DVD (Digital Versatile Disk). Etc.), smart cards and flash memory devices (eg, EPROM (Erasable Programmable Read-Only Memory), cards, sticks or key drivers, etc.).
- various storage media described herein can represent one or more devices and/or other machine-readable media for storing information.
- the term "machine-readable medium” may include, without limitation, a wireless channel and various other mediums capable of storing, containing, and/or carrying instructions and/or data.
- the communication system 100 includes a network device 102, which may include multiple antenna groups.
- Each antenna group may include one or more antennas, for example, one antenna group may include antennas 104 and 106, another antenna group may include antennas 108 and 110, and an additional group may include antennas 112 and 114.
- Two antennas are shown in Figure 1 for each antenna group, although more or fewer antennas may be used for each group.
- Network device 102 may additionally include a transmitter chain and a receiver chain, as will be understood by those of ordinary skill in the art, which may include multiple components related to signal transmission and reception (eg, processor, modulator, multiplexer, solution) Tuner, demultiplexer or antenna, etc.).
- a transmitter chain and a receiver chain may include multiple components related to signal transmission and reception (eg, processor, modulator, multiplexer, solution) Tuner, demultiplexer or antenna, etc.).
- Network device 102 can communicate with a plurality of terminal devices, such as terminal device 116 and terminal device 122. However, it will be appreciated that network device 102 can communicate with any number of terminal devices similar to terminal device 116 or 122.
- Terminal devices 116 and 122 may be, for example, cellular telephones, smart phones, portable computers, handheld communication devices, handheld computing devices, satellite radios, global positioning systems, PDAs, and/or any other suitable for communicating over wireless communication system 100. device.
- terminal device 116 is in communication with antennas 112 and 114, wherein antennas 112 and 114 transmit information to terminal device 116 over forward link 118 and from the terminal through reverse link 120.
- the device 116 receives the information.
- terminal device 122 is in communication with antennas 104 and 106, wherein antennas 104 and 106 transmit information to terminal device 122 over forward link 124 and receive information from terminal device 122 over reverse link 126.
- the forward link 118 can utilize different frequency bands than those used by the reverse link 120, and the forward link 124 can be utilized and reversed. Different frequency bands used for link 126.
- FDD Freq terminal equipment ncy Division Duplex
- the forward link 118 and the reverse link 120 can use a common frequency band, a forward link 124, and a reverse link.
- Link 126 can use a common frequency band.
- Each set of antennas and/or regions designed for communication is referred to as a sector of network device 102.
- the antenna group can be designed to communicate with terminal devices in sectors of the network device 102 coverage area.
- the transmit antenna of network device 102 may utilize beamforming to improve the signal to noise ratio of forward links 118 and 124.
- the network device 102 uses beamforming to transmit signals to the randomly dispersed terminal devices 116 and 122 in the relevant coverage area, the network device 102 uses a single antenna to transmit signals to all of its terminal devices. Mobile devices are subject to less interference.
- network device 102, terminal device 116, or terminal device 122 may be a wireless communication transmitting device and/or a wireless communication receiving device.
- the wireless communication transmitting device can encode the data for transmission.
- the wireless communication transmitting device may acquire (eg, generate, receive from other communication devices, or store in memory, etc.) a certain number of data bits to be transmitted over the channel to the wireless communication receiving device.
- Such data bits may be included in a transport block (or multiple transport blocks) of data that may be segmented to produce multiple code blocks.
- the time-frequency resource may be a time-frequency resource block composed of multiple REs (also referred to as a time-frequency resource group), and the plurality of REs may be the same in the time domain (ie, corresponding to the same symbol) and different in position in the frequency domain (ie, corresponding to different subcarriers), or The plurality of REs may be different in position in the time domain (ie, corresponding to different symbols) and the same in the frequency domain (ie, corresponding to the same subcarrier), and the present invention is not particularly limited.
- the communication system is a sparse code division multiple access communication system
- the time-frequency resource is a time-frequency resource block including at least two resource units RE.
- Sparse Code Multiple Access is a new multiple access method.
- SCMA Sparse Code Multiple Access
- Each resource block is composed of a number of resource REs, where the REs may be subcarrier-symbol units in OFDM technology, or may be resource units in the time domain or frequency domain of other air interface technologies.
- the available resources are divided into orthogonal time-frequency resource blocks, each resource block containing L REs, wherein the L REs may be the same in the time domain. .
- the data to be transmitted is first divided into data blocks of S bit size, and each data block is mapped by searching a codebook of the terminal device #k (determined by the network device and sent to the terminal device).
- a set of modulation symbols X#k ⁇ X#k1, X#k2, . . . , X#kL ⁇ , each modulation symbol corresponds to one RE in the resource block, and then a signal waveform is generated according to the modulation symbol.
- each codebook contains 2S different modulation symbol groups, corresponding to 2S possible data blocks.
- the above codebook is a set of codewords, and the codeword is a mapping relationship of information bits to transmission symbols. That is, the codebook is a set of the above mapping relationships.
- SCMA system is only an example of a communication system to which the method and apparatus for determining the modulation coding order of the present invention are applied, and the present invention is not limited thereto, and the other can enable the terminal device to reuse the same in the same period.
- Communication systems in which time-frequency resources perform data transmission are all within the scope of the present invention.
- the network device may perform data transmission with multiple terminal devices at the same time, because the network device and each terminal device The process of transmitting data is similar.
- the network device and the terminal device #1 of the plurality of terminal devices ie, one of the first terminal devices
- the flow of transferring data is described as an example.
- FIG. 2 shows a schematic flow diagram of a method 200 of determining a modulation coding order, in accordance with an embodiment of the present invention, as described from the perspective of a network device.
- the method 200 is performed on a network device. As shown in FIG. 2, the method 200 includes:
- S220 Obtain a channel quality indicator CQI, where the CQI is determined according to a signal to noise ratio (SINR) of the channel and a quantity K of the terminal device, where the channel is a channel based on the first time-frequency resource, where the channel is used for the first terminal.
- the downlink data is transmitted between the device and the network device during the first time period;
- the method 200 can be applied to downlink transmission.
- the network device can determine that the K terminal devices including the terminal device #1 are in the same time period (including the first time period, and below, in order to facilitate understanding and distinguishing, note: Period #A) uses the same time-frequency resource (for example, by SCMA mode) for data transmission.
- the network device may determine downlink transmission information for the terminal device #1, where the downlink transmission information includes the following information:
- a codebook used by the terminal device #1 for downlink transmission in the period #A (ie, an example of the first period);
- the time-frequency resource block #A used by the terminal device #1 for downlink transmission in the period #A is composed of a plurality of REs (for example, corresponding to the same symbol and corresponding to different sub-carriers), including
- the plurality of terminal devices including the terminal device #1 multiplex the time-frequency resource block #A for downlink transmission;
- the initial MCS used by the terminal device #1 for downlink transmission in the period #A is the initial MCS used by the terminal device #1 for downlink transmission in the period #A.
- the network device can transmit the downlink transmission information to the terminal device #1 by, for example, a control channel or a broadcast channel.
- the downlink transmission information enumerated above is only an exemplary description, and the present invention is not limited thereto.
- the information that the network device sends to the terminal device for downlink transmission before performing the downlink transmission is In the scope of the present invention, in order to avoid redundancy, the following detailed description is omitted for similar cases.
- the terminal device #1 can determine the location (including the time domain location and the frequency domain location) of the time-frequency resource block #A carrying the downlink data according to the downlink transmission information, and decode the downlink transmission data.
- the initial MCS used during processing is the initial MCS used during processing.
- the network device may perform encoding processing on data (eg, original bit sequence) that needs to be transmitted to the terminal device #1 to generate downlink data (ie, an example of data) according to the initial MCS determined as described above, and in the period #A, the downlink data is transmitted to the terminal device #1 by the channel #A (that is, an example of a channel) based on the time-frequency resource block #A.
- data eg, original bit sequence
- downlink data ie, an example of data
- the channel #A that is, an example of a channel
- the terminal device #1 can receive the downlink data through the channel #A in the period #A, and decode the downlink data through the initial MCS to restore the data before the network device performs the encoding process on the downlink data (for example, The above original bit sequence).
- the encoding process of the foregoing network device, the decoding process of the terminal device #1, and the transmission process of the downlink data may be similar to the prior art.
- detailed description thereof is omitted. .
- the network device can determine the CQI of the above channel #A, which is determined according to the number K of the terminal devices and the SINR of the channel between the network device and the terminal device #1.
- the CQI is determined according to an SINR of the channel, a quantity K of the terminal device, and a first decoding iteration number, where the first decoding iteration number is that the first terminal device decodes the downlink data.
- the number of decoding iterations is determined according to an SINR of the channel, a quantity K of the terminal device, and a first decoding iteration number, where the first decoding iteration number is that the first terminal device decodes the downlink data. The number of decoding iterations.
- the CQI is determined according to an SINR of the channel, a quantity K of the terminal device, a quantity of the first acknowledgement message, and a quantity of the first non-acknowledgment message, where the first acknowledgement message is automatically mixed for the downlink data.
- the CQI is determined according to the SINR of the channel, the number K of the terminal devices, the number of first decoding iterations, the number of first acknowledgement messages, and the number of first unacknowledged messages, the first decoding iteration.
- the number of times of decoding is the number of decoding iterations when the first terminal device decodes the downlink data, and the first acknowledgement message is sent by the first terminal device to the network in the hybrid automatic repeat request HARQ process for the downlink data.
- a confirmation message of the device, the first non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the network device in the HARQ process.
- the number of decoding iterations, the number of acknowledgement messages, and The number of first unconfirmed messages is then described in detail in conjunction with the actions of the network device and terminal device #1.
- the CQI may be determined by the network device according to a preset rule (that is, mode 1), or may be determined by the terminal device #1 to be reported to the network device according to the preset rule (ie, manner 2), below, the above two methods are described in detail.
- the method may be divided into mode 1a, mode 1b, mode 1c, and mode 1d according to different preset rules (or parameters used) used by the network device for CQI processing.
- the CQI fed back by the terminal device #1 can be processed based only on the number K of terminal devices.
- receiving the third indication information that is sent by the first terminal device where the third indication information is used to indicate the CQI that is sent by the first terminal device, and the CQI that is sent by the first terminal device is the first terminal device according to the The SINR of the channel is determined;
- the CQI fed back by the first terminal device is processed according to the number K of the terminal devices to determine the CQI.
- the terminal device #1 can perform channel estimation on the channel #A according to the pilot information carried in the downlink data, for example, a cell-specific reference signal (CRS), and then calculate the channel.
- the SINR of #A so that the CQI value corresponding to the SINR of the channel #A (hereinafter, referred to as CQI#1 for ease of understanding and distinction) is transmitted to the network device through the third indication information.
- the method and process for determining the SINR of the channel #A by the terminal device #1 enumerated above are merely exemplary descriptions, and the present invention is not particularly limited, and may also be combined with other prior art techniques for determining the channel SINR of the terminal device.
- the detailed description is omitted, and the description of the similar cases will be omitted below.
- the network device can process the CQI #1 according to the number K of the terminal devices.
- the network device can process the CQI #1 based on Equation 1 below.
- MCQI indicates the processed CQI (referred to as CQI#2 for ease of understanding)
- SINR indicates that the SINR of channel #A corresponds to CQI#1
- ue_num indicates the number K of terminal devices
- a, b, c, and d are preset constants, and the range of a, b, c, and d may be (0, 1), and the relationship between a, b, c, and d may be a. >b>c>d, and w, x, y, and z may be preset positive integers.
- the method for determining the SINR based on the CQI may be similar to the prior art, and a detailed description thereof is omitted herein to avoid redundancy, and Hereinafter, the description of the similar case will be omitted.
- the acknowledgment message sent by the first terminal device to the network device during the hybrid automatic repeat request (HARQ) according to the number of the terminal devices and the hybrid automatic repeat request (HARQ)
- the number of non-confirmed messages is processed by the CQI fed back by the terminal device #1, namely:
- the method further includes:
- the first acknowledgement message is an acknowledgement message sent by the first terminal device to the network device in the HARQ process for the downlink data
- the first non-acknowledgement message Is a non-acknowledgment message sent by the first terminal device to the network device in the HARQ process
- the processing of the CQI fed back by the first terminal device according to the number K of the terminal devices includes:
- the CQI fed back by the first terminal device is processed according to the number K of the terminal devices, the number of the first acknowledgement message, and the number of the first non-acknowledgment message.
- the terminal device #1 and the network device can transmit the information of the CQI #1 in a manner similar to the above manner 1a.
- the network device may record the number of acknowledgment (ACK) messages sent by the terminal device #1 to the network device and the terminal device #1 sent to the network during the HARQ process in the process of transmitting the downlink data with the network device.
- the number of non-acknowledgment (NACK) messages for the device may be similar to the prior art.
- detailed description thereof is omitted, and the following is omitted. instruction of.
- the network device can thereby process the CQI #1 according to the number K of the terminal devices, the number of the ACK messages, and the number of NACK messages.
- the network device can process the CQI #1 based on Equation 2 below.
- MCQI indicates the processed CQI (referred to as CQI#3 for ease of understanding)
- SINR indicates the SINR of channel #A
- ue_num indicates the number K of terminal devices
- N_ack indicates the number of acknowledgement messages
- N_nack indicates the non-acknowledgement message.
- a, b, c, d, and e are preset constants, and the range of values of a, b, c, and d may be: (0, 1), and the relationship between a, b, c, and d It can be a>b>c>d, and w, x, y, z can be preset positive integers.
- the CQI fed back by the terminal device #1 may be processed according to the number K of the terminal devices and the number of times the terminal device #1 decodes the downlink data, that is,
- the method further includes:
- the method also includes:
- fourth indication information is used to indicate a first decoding iteration number, where the first decoding iteration number is when the first terminal device decodes the downlink data Number of decoding iterations;
- the processing of the CQI fed back by the first terminal device according to the number K of the terminal devices includes:
- the CQI fed back by the first terminal device is processed according to the number K of the terminal devices and the number of the first decoding iterations.
- the terminal device #1 and the network device can transmit the information of the CQI #1 in a manner similar to the above manner 1a.
- the terminal device #1 may decode the downlink data in a manner of multiple iterations.
- turbo decoding As a method for performing decoding in an iterative manner, turbo decoding, SCMA decoding, etc. may be mentioned, and The specific implementation process of the method for decoding in an iterative manner may be similar to the prior art. Here, in order to avoid redundancy, detailed description thereof is omitted. Also, the description of the similar cases is omitted below.
- the terminal device #1 can send the number of decoding iterations (by the fourth indication information) Give network devices.
- the network device can process the CQI #1 according to the number K of the terminal devices and the number of decoding iterations.
- the network device can process the CQI #1 based on Equation 3 below.
- MCQI indicates the processed CQI (referred to as CQI #4 for ease of understanding)
- SINR indicates the SINR of channel #A
- ue_num indicates the number K of terminal devices
- m' indicates the number of decoding times.
- a, b, c, d, e, f, g, h, i are preset constants, and the ranges of a, b, c, and d can be: (0, 1), a, b, c, d
- the relationship may be a>b>c>d
- f, g, h, i may be a value greater than or equal to 1
- the relationship between f, g, h, i may be i>h>g> f
- w, x, y, z can be preset positive integers
- the number of acknowledgment messages and non-confirmation messages sent by the terminal device #1 to the network device in the HARQ process for the downlink data, and the terminal device #1 may be used according to the number K of terminal devices.
- the CQI fed back by the terminal device #1 is processed for the decoding number of the downlink data, that is,
- the method further includes:
- fourth indication information is used to indicate a first decoding iteration number, where the first decoding iteration number is when the first terminal device decodes the downlink data Number of decoding iterations;
- the first acknowledgement message is an acknowledgement message sent by the first terminal device to the network device in the HARQ process for the downlink data
- the first non-acknowledgement message Is a non-acknowledgment message sent by the first terminal device to the network device in the HARQ process
- the processing of the CQI fed back by the first terminal device according to the number K of the terminal devices includes:
- the CQI fed back by the first terminal device is processed according to the number K of the terminal devices, the number of the first decoding iterations, the number of the first acknowledgement message, and the number of the first non-acknowledgement message.
- the terminal device #1 and the network device can transmit the information of the CQI #1 in a manner similar to the above manner 1a.
- the network device can determine the number of ACK messages and the number of NACK messages in a manner similar to the above manner 1b.
- the network device can determine the number of decoding iterations in a similar manner to the above manner 1c.
- the network device can process the CQI fed back by the terminal device #1 according to the number K of the terminal devices, the number of decoding iterations, the number of ACK messages, and the number of NACK messages.
- the CQI #1 can be processed based on Equation 4 below.
- MCQI indicates the processed CQI (CQI#5 for ease of understanding)
- SINR indicates the SINR of channel #A
- ue_num indicates the number K of terminal devices
- N_ack indicates the number of acknowledgment messages
- N_nack indicates the non-acknowledgement.
- the number of messages. m' represents the above number of decodings.
- a, b, c, d, e, f, g, h, i are preset constants, and the ranges of a, b, c, and d can be: (0, 1), a, b, c, d
- the relationship may be a>b>c>d, and f, g, h, i may be a value greater than or equal to 1, and the relationship between f, g, h, i may be i>h>g> f, and, w, x, y, z can be preset positive integers.
- the network device can perform the initial on the basis of the value of the CQI after the above processing.
- the MCS performs an update process.
- the update process may be similar to the prior art. For example, when the value of the CQI after the above processing is greater than a certain threshold, the MCS is increased, or When the value of the CQI after the above processing is less than a certain threshold, the MCS is decreased, and the changed MCS is sent to the terminal device #1.
- FIG. 3 is a diagram showing the interaction between the network device and the terminal device #1 in the embodiment of the present invention corresponding to the above mode 1.
- the network device sends information for performing decoding processing to the terminal device #1, for example, the downlink transmission information including the initial MCS, as shown in FIG.
- the network device performs an encoding process to generate downlink data.
- the network device sends the downlink data to the terminal device #1.
- the terminal device #1 determines the SINR of the channel (for example, the above-mentioned channel #A) for transmitting the downlink data, and decodes and decodes the downlink data. Alternatively, the terminal device #1 may also record The number of decoding iterations.
- the terminal device #1 feeds back the CQI corresponding to the SINR of the channel #A to the network device.
- the terminal device #1 may further feed back the decoding iteration times.
- the network device processes the CQI fed back by the terminal device #1 based on the number K of terminal devices of the multiplexed time-frequency resource block #A including the terminal device #1;
- the network device may further process the CQI fed back by the terminal device #1 based on the number K of the terminal devices, the number of ACK messages in the HARQ process, and the number of NACK messages.
- the network device may further process the CQI fed back by the terminal device #1 based on the number K of the terminal devices and the number of decoding iterations fed back by the terminal device #1.
- the network device may further process the CQI fed back by the terminal device #1 based on the number K of the terminal devices, the number of ACK messages in the HARQ process, the number of NACK messages, and the number of decoding iterations fed back by the terminal device #1. ;
- the network device may further perform an update process on the MCS determined in S310 according to the processed CQI, for example, if the processed CQI is greater than a preset threshold, increase the MCS, and send the MCS to the terminal device. 1 Issue the changed MCS.
- the difference between the preset rules (or the parameters used) used by the CQI according to the terminal device #1 can be divided into mode 2a, mode 2b, mode 2c, and mode 2d.
- the CQI may be processed according to the number K of terminal devices, namely:
- the obtaining the CQI includes:
- first indication information Sending, to the first terminal device, first indication information, where the first indication information is used to indicate the number K of the terminal devices;
- the first terminal device And receiving, by the first terminal device, the second indication information, where the second indication information is used to indicate the CQI, where the CQI is determined by the first terminal device according to the SINR of the channel and the number K of the terminal devices.
- the network device may send the first indication information to the terminal device #1, where the first indication information may indicate the terminal device that includes the terminal device #1 and multiplexes the time-frequency resource block #A for downlink transmission.
- the number K The number K.
- the terminal device #1 can perform channel estimation on the channel #A according to the pilot information (for example, CRS) carried in the downlink data, and then calculate the SINR of the channel #A, and determine the SINR corresponding to the channel #A.
- the CQI i.e., the above CQI #1
- the terminal device #1 can process the above CQI #1 according to the number K of terminal devices, and the processing can be similar to the process in which the network device processes the CQI #1 to determine CQI #2, and thereafter, the terminal device # 1
- the processed CQI may be sent to the network device by using the second indication information.
- the CQI may be processed according to the number K of terminal devices, the number of acknowledgement messages and non-acknowledgement messages sent by the terminal device #1 to the network device in the HARQ process of the downlink data, that is,
- the obtaining the CQI includes:
- first indication information Sending, to the first terminal device, first indication information, where the first indication information is used to indicate the number K of the terminal devices;
- the first confirmation message is an acknowledgement message sent by the first terminal device to the network device in the hybrid automatic repeat request HARQ process for the downlink data, the first non-acknowledgement The message is the first terminal set in the HARQ process.
- the network device may send the first indication information to the terminal device #1, where the first indication information may indicate the terminal device that includes the terminal device #1 and multiplexes the time-frequency resource block #A for downlink transmission.
- the number K The number K.
- the terminal device #1 can determine the CQI #1 in a manner similar to the above manner 2b.
- the terminal device #1 may record the number of acknowledgment (ACK) messages sent by the terminal device #1 to the network device and the terminal device #1 send during the HARQ process in the process of transmitting the downlink data with the network device.
- ACK acknowledgment
- NACK non-acknowledgment
- the terminal device #1 can process the CQI #1 according to the number of terminal devices K, the number of ACK messages, and the number of NCK messages, and the process can process the CQI #1 with the network device to determine CQI #3.
- the process is similar, after which the terminal device #1 can send the processed CQI to the network device by using the second indication information.
- the CQI may be processed according to the number K of terminal devices and the number of times the terminal device #1 decodes the downlink data, that is,
- the obtaining the CQI includes:
- first indication information Sending, to the first terminal device, first indication information, where the first indication information is used to indicate the number K of the terminal devices;
- the second indication information is used to indicate the CQI, where the CQI is the SINR of the first terminal device according to the channel, the number K of the terminal devices, and the first decoding iteration
- the number of times of decoding is determined by the number of decoding iterations when the first terminal device decodes the downlink data.
- the network device may send the first indication information to the terminal device #1, where the first indication information may indicate the terminal device that includes the terminal device #1 and multiplexes the time-frequency resource block #A for downlink transmission.
- the number K The number K.
- the terminal device #1 can determine the CQI #1 in a manner similar to the above manner 2b.
- the terminal device #1 can decode the downlink data by using multiple iterations.
- turbo decoding As a method for performing decoding in an iterative manner, turbo decoding, SCMA decoding, and the like can be mentioned.
- the terminal device #1 can determine the number of decoding iterations described above.
- the terminal device #1 can process the CQI #1 according to the number K of the terminal devices and the number of decoding iterations, and the process can process the CQI #1 with the network device.
- the process of determining CQI #4 is similar, after which terminal device #1 can transmit the processed CQI to the network device through the second indication information.
- the number of terminal devices K the number of times the terminal device #1 decodes the downlink data, and the acknowledgement that the terminal device #1 sends to the network device in the HARQ process for the downlink data may be used.
- the number of messages and non-acknowledgment messages is processed for CQI, namely:
- the obtaining the CQI includes:
- first indication information Sending, to the first terminal device, first indication information, where the first indication information is used to indicate the number K of the terminal devices;
- the first confirmation message is an acknowledgement message sent by the first terminal device to the network device in the hybrid automatic repeat request HARQ process for the downlink data, the first non-acknowledgement The message is a non-acknowledgment message sent by the first terminal device to the network device in the HARQ process.
- the network device may send the first indication information to the terminal device #1, where the first indication information may indicate the terminal device that includes the terminal device #1 and multiplexes the time-frequency resource block #A for downlink transmission.
- the number K The number K.
- the terminal device #1 can determine the CQI #1 in a manner similar to the above manner 2b.
- the terminal device #1 can decode the downlink data by using multiple iterations.
- turbo decoding As a method for performing decoding in an iterative manner, turbo decoding, SCMA decoding, and the like can be mentioned.
- the terminal device #1 can determine the number of decoding iterations described above.
- the terminal device #1 may record the number of acknowledgment (ACK) messages sent by the terminal device #1 to the network device and the terminal device #1 send during the HARQ process in the process of transmitting the downlink data with the network device.
- ACK acknowledgment
- NACK non-acknowledgment
- the terminal device #1 can process the CQI #1 according to the number K of the terminal devices, the number of decoding iterations, the number of ACK messages, and the number of NCK messages, and the process can be performed with the network device on the CQI #1.
- the process of determining CQI #5 is similar, after which terminal device #1 can transmit the processed CQI to the network device through the second indication information.
- the network device can acquire the CQI determined by the terminal device #1 based on the number K of the terminal devices, and can update the MCS according to the value of the CQI.
- the update process may be similar to the prior art. For example, when the value of the CQI is greater than (or less than) a certain threshold, the MCS is increased (or reduced), and the changed MCS is changed. Issued to terminal device #1.
- FIG. 4 is a diagram showing the interaction between the network device and the terminal device #1 in the embodiment of the present invention corresponding to the above mode 2.
- the network device sends, to the terminal device #1, information for performing decoding processing, for example, the downlink transmission information, where the downlink transmission information includes the initial MCS, including the terminal device #1.
- the network device performs an encoding process to generate downlink data.
- the network device sends the downlink data to the terminal device #1.
- the terminal device #1 determines the SINR of the channel (for example, the above-mentioned channel #A) for transmitting the downlink data, and determines the CQI corresponding to the SINR of the channel #A, and may include the terminal device #1 according to Processing the above CQI by multiplexing the number K of terminal devices of the time-frequency resource block #A;
- the terminal device #1 may further process the final CQI based on the number K of the terminal devices, the number of ACK messages in the HARQ process, and the number of NACK messages;
- the terminal device #1 may further process the CQI based on the number K of the terminal devices and the number of decoding iterations;
- the terminal device #1 may further process the CQI based on the number K of the terminal devices, the number of ACK messages in the HARQ process, the number of NACK messages, and the number of decoding iterations.
- the terminal device #1 sends the processed CQI to the network device;
- the network device performs an update process on the MCS determined in S410 according to the CQI after the above processing.
- the process of processing the CQI determined by the channel-based SINR by the terminal device #1 enumerated above is only an exemplary description, and the present invention is not limited thereto.
- the mapping relationship may be pre-stored in the terminal device #1.
- An entry of the mapping relationship may record a one-to-one mapping relationship between multiple parameter sets and multiple CQIs, where the multiple parameter sets may include a terminal device quantity value and an SINR value (or, corresponding to the SINR value)
- the CQI value and thus, after determining the number K of the terminal devices and the SINR of the channel, the terminal device #1 directly finds the corresponding CQI according to the mapping entry as the processed CQI.
- the form of the foregoing mapping entry may be determined according to requirements, for example.
- the terminal device number value and the SINR value may be recorded in the mapping entry as two items in the entry (for example, two rows or two columns as an entry), or multiple entries may be formed.
- the mapping between the SINR value and the CQI is recorded, and the plurality of entries should be mapped to the number of the terminal devices. That is, the terminal device can find the number of the terminal devices by using the determined number of terminal devices.
- the value corresponding to the CQI is determined based on the SINR value.
- the existing method of determining the modulation coding order only the SINR value of the link (the link is based on a time-frequency resource block including a plurality of REs) or the CQI quantization value corresponding to the SINR value is adjusted.
- multiple terminal devices multiplex the same time-frequency resource blocks for data transmission. Because there may be interference between multiple terminal devices, the network device can only obtain the SINR value of the time-frequency resource block, and cannot Obtaining the SINR value of each of the plurality of terminal devices in the time-frequency resource block is obtained, so that the existing method for determining the modulation coding order cannot be effectively implemented in the SCMA system.
- the K terminal devices multiplex the same time-frequency resource with the network device for data transmission in the same period, and the first terminal device and the network device pass the same.
- the CQI determined by the channel-based signal-to-noise ratio is processed according to the number of terminal devices K according to the channel transmission data of the time-frequency resource, and the processed CQI can be reflected in the data transmission process of the first terminal device.
- the modulation coding order of the first terminal device is adjusted according to the CQI after the above processing, so that the adjusted modulation coding order can be adapted to the interference noise condition of the first terminal device, thereby being applicable to The adjustment of the modulation coding order of the terminal device that multiplexes the same time-frequency resource for data transmission.
- FIG. 5 shows a schematic flow diagram of a method 500 of determining a modulation coding order in accordance with another embodiment of the present invention as described from the perspective of a network device.
- the method 500 is performed on a network device. As shown in FIG. 5, the method 500 includes:
- S520 Receive first indication information that is sent by the first terminal device, where the first indication information is used to indicate a channel quality indicator CQI, where the CQI is determined by the first terminal device according to an SINR of the channel, where the channel is based on the first a channel of a time-frequency resource, where the channel is used to transmit downlink data between the first terminal device and the network device during the first time period;
- the first indication information is used to indicate a channel quality indicator CQI, where the CQI is determined by the first terminal device according to an SINR of the channel, where the channel is based on the first a channel of a time-frequency resource, where the channel is used to transmit downlink data between the first terminal device and the network device during the first time period;
- mapping relationship information determining, according to the preset mapping relationship information, a modulation coding order MCS corresponding to the value of the number of the terminal devices and the value of the CQI, as the MCS of the first terminal device, where
- the mapping relationship information is used to indicate a one-to-one mapping relationship between the N parameter sets and the N MCSs, and each parameter set includes a terminal device quantity value and a CQI value, and N ⁇ 2.
- the method 500 can be applied to downlink transmission.
- the network device can determine that the K terminal devices including the terminal device #1 are in the same time period (including the first time period, below, in order to facilitate understanding and distinction, note: Period #A) uses the same time-frequency resource (for example, by SCMA mode) for data transmission.
- the network device may determine downlink transmission information for the terminal device #1, where the downlink transmission information includes the following information:
- a codebook used by the terminal device #1 for downlink transmission in the period #A (ie, an example of the first period);
- the time-frequency resource block #A used by the terminal device #1 for downlink transmission in the period #A is composed of a plurality of REs (for example, corresponding to the same symbol and corresponding to different sub-carriers), including
- the plurality of terminal devices including the terminal device #1 multiplex the time-frequency resource block #A for downlink transmission;
- the initial MCS used by the terminal device #1 for downlink transmission in the period #A is the initial MCS used by the terminal device #1 for downlink transmission in the period #A.
- the network device can transmit the downlink transmission information to the terminal device #1 by, for example, a control channel or a broadcast channel.
- the downlink transmission information enumerated above is only an exemplary description, and the present invention is not limited thereto.
- the information that the network device sends to the terminal device for downlink transmission before performing the downlink transmission is In the scope of the present invention, in order to avoid redundancy, the following detailed description is omitted for similar cases.
- the terminal device #1 can determine the location (including the time domain location and the frequency domain location) of the time-frequency resource block #A carrying the downlink data according to the downlink transmission information, and use the initial MCS used for decoding the downlink transmission data. .
- the network device may perform encoding processing on data (eg, original bit sequence) that needs to be transmitted to the terminal device #1 to generate downlink data (ie, an example of data) according to the initial MCS determined as described above, and in the period #A, the downlink data is transmitted to the terminal device #1 by the channel #A (that is, an example of a channel) based on the time-frequency resource block #A.
- data eg, original bit sequence
- downlink data ie, an example of data
- the channel #A that is, an example of a channel
- the terminal device #1 can receive the downlink data through the channel #A in the period #A, and decode the downlink data through the initial MCS to restore the data before the network device performs the encoding process on the downlink data (for example, The above original bit sequence).
- the encoding process of the network device may be similar to the prior art.
- the decoding process of the terminal device #1 may be similar to the prior art.
- detailed description thereof is omitted.
- the terminal device #1 can perform channel estimation on the channel #A according to the pilot information carried in the downlink data, for example, a cell-specific reference signal (CRS), and then calculate the SINR of the channel #A. And transmitting the CQI value corresponding to the SINR of the channel #A to the network device by using the first indication information.
- CRS cell-specific reference signal
- the method and process for determining the SINR of the channel #A by the terminal device #1 enumerated above are merely exemplary descriptions, and the present invention is not particularly limited, and may also be combined with other prior art techniques for determining the channel SINR of the terminal device.
- the detailed description is omitted, and the description of the similar cases will be omitted below.
- the network device may obtain the mapping relationship information, where the mapping relationship information indicates a mapping relationship between the plurality of first information groups and the plurality of MCSs (hereinafter, for ease of understanding and differentiation, the mapping relationship #1 is recorded), the plurality of first The information group is in one-to-one correspondence with the plurality of MCSs, wherein a first information group includes a value of a number of terminal devices and a CQI value (or may also be a SINR value corresponding to the CQI value), each first information At least one of the above two values included in the group is different.
- the foregoing mapping relationship may be obtained by a telecommunication operator or a network administrator, and the foregoing mapping relationship may be recorded as a corresponding relationship entry and stored in a storage device of the network device. Alternatively, it is expressed as a formula and stored as a software program in a storage device of a network device, and the present invention is not particularly limited.
- the mapping relationship information is specifically a mapping entry that records a one-to-one mapping relationship between the N parameter sets and the N MCSs.
- the mapping relationship #1 may be expressed as a mapping relationship entry (hereinafter, for ease of understanding and differentiation, it is referred to as a mapping relationship entry #1).
- the mapping relationship entry #1 may have a CQI value and The quantity value of the terminal device is used as a row or a column of the entry, so that the network device can find the CQI value corresponding to the number of the terminal device K and the SINR of the channel #A in the mapping relationship entry #1.
- MCS mapping relationship entry
- each parameter set further includes a decoding iteration number value
- the method also includes:
- the first terminal device receives, by the first terminal device, second indication information, where the second indication information is used to indicate a decoding iteration number, the first decoding iteration number is a decoding iteration number when the first terminal device decodes the downlink data;
- the network device may obtain mapping relationship information, where the mapping relationship information indicates a mapping relationship between the plurality of second information groups and the plurality of MSCs (hereinafter, for ease of understanding and differentiation, the mapping relationship #2 is recorded),
- the plurality of second information groups are in one-to-one correspondence with the plurality of MSCs, wherein a second information group includes a value of a number of user equipments, a CQI value (or a SINR value corresponding to the CQI value), and a decoding
- the value of the number of iterations, at least one of the above three values included in each second block is different from each other.
- mapping relationship #2 can be expressed as a mapping relationship entry (hereinafter, for ease of understanding and distinction, it is recorded as mapping relationship entry #2).
- the mapping relationship entry #2 can be used to set the CQI value and the terminal.
- the value of the device and the number of decoding iterations are used as rows or columns of the table entry.
- the terminal device #1 can decode the downlink data by using multiple iterations.
- turbo decoding As a method for performing decoding in an iterative manner, turbo decoding, SCMA decoding, and the like can be mentioned.
- the terminal device #1 can determine the number of decoding iterations and transmit the number of decoding iterations to the network device.
- the network device can search for the foregoing entry #2 according to the number K of the number of terminals to be determined and the number of decoding iterations as described above, to use the CQI corresponding to the number of terminal devices K and the SINR of the channel #A.
- the value, the MCS corresponding to the number of decoding iterations, is taken as the MCS of the terminal device #1.
- each parameter set further includes a quantity value of an acknowledgement message and a quantity value of a non-confirmation message
- the method also includes:
- the first acknowledgement message is an acknowledgement message sent by the first terminal device to the network device in the hybrid automatic repeat request (HARQ) process for the downlink data
- the first non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the network device in the HARQ process, where the adjustment policy information further includes the number of the first acknowledgement message and the number of the first non-acknowledgement message;
- the terminal device may acquire the mapping relationship information, where the mapping relationship information indicates a mapping relationship between the plurality of third information groups and the plurality of MSCs (hereinafter, for ease of understanding and differentiation, the mapping relationship is #3),
- the plurality of third information groups are in one-to-one correspondence with the plurality of MSCs, wherein a third information group includes a value of a number of terminal devices, a CQI value (or an SINR value corresponding to the CQI value), and an ACK message.
- the value of the number and the value of the number of NACK messages, at least one of the above four values included in each of the third blocks is different from each other.
- mapping relationship #3 may be expressed as a mapping relationship entry (hereinafter, for ease of understanding and distinction, it is recorded as a mapping relationship entry #3).
- the mapping relationship entry #3 may be a CQI value, a terminal.
- the value of the number of devices, the value of the number of ACK messages, and the number of NACK messages are used as rows or columns of entries.
- the terminal device #1 may record the number of acknowledgment (ACK) messages sent by the terminal device #1 to the network device and the terminal device #1 send during the HARQ process in the process of transmitting the downlink data with the network device.
- ACK acknowledgment
- NACK non-acknowledgment
- the network device can find the corresponding MCS in the mapping relationship entry #3 according to the number of the given number of terminals K and the number of the foregoing ACK messages and the number of NACK messages.
- each parameter set further includes a decoding iteration number value, a quantity value of an acknowledgement message, and a quantity value of a non-confirmation message;
- the method also includes:
- the first terminal device And receiving, by the first terminal device, second indication information, where the second indication information is used to indicate a first decoding iteration number, where the first decoding iteration number is when the first terminal device decodes the downlink data Number of decoding iterations;
- the first acknowledgement message is an acknowledgement message sent by the first terminal device to the network device in the HARQ process for the downlink data, the first non-acknowledgement message
- the terminal device may acquire mapping relationship information, where the mapping relationship information indicates a mapping relationship between the plurality of fourth information groups and the plurality of MSCs (hereinafter, for ease of understanding and differentiation, the mapping relationship is #4),
- the plurality of fourth information groups are in one-to-one correspondence with the plurality of MSCs, wherein a third information group includes a value of a number of terminal devices, a CQI value (or a SINR value corresponding to the CQI value), and a decoding.
- the iteration number value, the value of the number of ACK messages, and the value of the number of NACK messages, at least one of the above five values included in each fourth packet is different from each other.
- mapping relationship #4 may be expressed as a mapping relationship entry (hereinafter, for ease of understanding and distinction, it is recorded as a mapping relationship entry #4).
- the mapping relationship entry #4 may be a CQI value, a terminal.
- the value of the number of devices, the value of the number of decoding iterations, the value of the number of ACK messages, and the number of NACK messages are used as rows or columns of entries.
- the network device can find, in the mapping relationship entry #4, a CQI value corresponding to the number of terminal devices K, the SINR of the channel #A, the number of decoding iterations, the number of ACK messages, and the number of NACK messages.
- MCS as the MCS of Terminal #1.
- the form of the foregoing mapping entry may be determined according to requirements.
- the terminal device quantity value and the SINR value may be recorded in the mapping entry as two items in the entry (for example, as a table). Two rows or two columns of the item, or multiple entries may be formed, and each entry records a mapping relationship between the SINR value and the CQI, and the plurality of entries should be mapped to a plurality of terminal device quantity values. That is, the terminal device can find the entry for determining the CQI based on the SINR value corresponding to the terminal device quantity value by using the determined terminal device number value.
- the existing method of determining the modulation coding order only the SINR value of the link (the link is based on a time-frequency resource block including a plurality of REs) or the CQI quantization value corresponding to the SINR value is adjusted.
- multiple terminal devices multiplex the same time-frequency resource blocks for data transmission. Because there may be interference between multiple terminal devices, the network device can only obtain the SINR value of the time-frequency resource block, and cannot Obtaining a respective SINR value of each of the plurality of terminal devices in the time-frequency resource block, resulting in an existing method for determining a modulation coding order in the SCMA It cannot be implemented effectively in the system.
- the K terminal devices multiplex the same time-frequency resource with the network device for data transmission in the same period, and the first terminal device and the network device pass the same.
- the MCS is determined by the CQI determined according to the number K of the terminal device and the signal-to-noise ratio based on the channel, so that the MCS can reflect the interference noise of the first terminal device during data transmission. Therefore, the adjusted modulation coding order can be adapted to the interference noise condition of the first terminal device, and thus can be applied to the adjustment of the modulation coding order of the terminal device that performs data transmission by multiplexing the same time-frequency resource.
- the present invention is not limited thereto, and may be applied to uplink transmission.
- the network device may determine uplink transmission information for the terminal device #1, where the uplink transmission information includes the following information:
- the time-frequency resource block #B used by the terminal device #1 for uplink transmission in the period #B is composed of a plurality of REs (for example, corresponding to the same symbol and corresponding to different sub-carriers), including
- the plurality of terminal devices including the terminal device #1 multiplex the time-frequency resource block #B for uplink transmission;
- the initial MCS used by the terminal device #1 for uplink transmission in the period #B is the initial MCS used by the terminal device #1 for uplink transmission in the period #B.
- the network device can transmit the uplink transmission information to the terminal device #1 by, for example, a control channel or a broadcast channel.
- the terminal device #1 can determine the location (including the time domain location and the frequency domain location) of the time-frequency resource block #B carrying the uplink data according to the uplink transmission information, and use the initial MCS used for encoding the uplink transmission data. .
- the terminal device #1 may perform encoding processing on data that needs to be transmitted to the network device to generate uplink data according to the initial MCS determined as described above, and pass the channel based on the time-frequency resource block #B in the period #B. #B, Send the above uplink data to the network device.
- the network device can receive the uplink data through the channel #B in the period #B, and decode the uplink data through the initial MCS to restore the data before the network device performs the encoding process on the uplink data.
- the network device may acquire mapping relationship information, for example, the above mapping relationship #1, or the above formula 1.
- the network device may perform channel estimation on the channel #B according to the pilot information carried in the uplink data, for example, a De Modulation Reference Signal (DMRS), and calculate the SINR of the channel #B.
- DMRS De Modulation Reference Signal
- the network device may determine, according to the mapping relationship #1 or the above formula 1, the CQI of the channel #B (or the SINR corresponding to the CQI) and the multiplexing the time-frequency resource block #B for uplink transmission.
- the number of terminal devices K corresponds to the MCS as the MCS of the terminal device #1.
- the network device may determine the MCS of the terminal device #1 according to the above mapping relationship #2 or the above formula 2, the above mapping relationship #3 or the above formula 3, the above mapping relationship #4 or the above formula 4.
- FIG. 6 is a diagram showing the interaction between the network device and the terminal device #1 in the embodiment of the present invention corresponding to the uplink transmission.
- the network device sends, to the terminal device #1, information for performing an encoding process, for example, the foregoing uplink transmission information including the initial MCS;
- the terminal device #1 performs an encoding process to generate uplink data
- the terminal device #1 sends the uplink data to the network device.
- the network device determines an SINR of a channel (e.g., channel #B) for transmitting the uplink data, and performs decoding and decoding processing on the uplink data. And, the network device determines the MCS based on the above-described, for example, the mapping relationship #1 or the formula 1 stored in advance.
- a channel e.g., channel #B
- the network device determines the MCS based on the above-described, for example, the mapping relationship #1 or the formula 1 stored in advance.
- the network device and the terminal device #1 can perform data transmission in accordance with the MCS determined as described above.
- FIG. 7 shows a schematic flow diagram of a method 700 of determining a modulation coding order, in accordance with an embodiment of the present invention, as described from the perspective of a terminal device (e.g., terminal device #1).
- the method 700 is implemented in a first terminal device of the K terminal devices. As shown in FIG. 7, the method 700 includes:
- the K terminal determines a signal-to-noise ratio SINR of the channel, where the channel is a channel based on the first time-frequency resource, where the channel is used to transmit downlink data between the first terminal device and the network device in the first time period, the K terminal
- the device multiplexes the first time-frequency resource with the network device for downlink data transmission in the first period, K ⁇ 2;
- the second indication information is sent to the network device, where the second indication information is used to indicate the CQI, so that the network device determines, according to the CQI, a modulation and coding order MCS of the first terminal device.
- determining the CQI according to the signal to noise ratio SINR of the channel and the number K of the terminal devices including:
- the first decoding iteration number is the number of decoding iterations when the first terminal device decodes the downlink data.
- determining the CQI according to the signal to noise ratio SINR of the channel and the number K of the terminal devices including:
- determining the CQI according to the signal to noise ratio SINR of the channel and the number K of the terminal devices including:
- the first acknowledgement message is an acknowledgement message sent by the first terminal device to the network device in the hybrid automatic repeat request (HARQ) process for the downlink data
- the first non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the network device in the HARQ process.
- the method is applied to a sparse code division multiple access communication system, where the first time-frequency resource is a time-frequency resource block including at least two resource units RE.
- the operation of the first terminal device in the above method 700 is similar to the operation of the terminal device #1 in the above method 200 or method 500. Here, in order to avoid redundancy, detailed description thereof will be omitted.
- the K terminal devices multiplex the same time-frequency resource with the network device for data transmission in the same period, and the first terminal device and the network device pass the time-frequency based on the time-frequency.
- the channel transmission data of the resource by processing the CQI determined based on the signal-to-noise ratio of the channel according to the number K of the terminal devices, and enabling the processed CQI to be reflected
- the interference noise situation of the first terminal device in the data transmission process is adjusted according to the CQI after the processing, and the modulation coding order of the first terminal device is adjusted, so that the adjusted modulation coding order and the first terminal device can be adjusted.
- the interference noise condition is adapted so as to be applicable to the adjustment of the modulation coding order of the terminal equipment that performs data transmission for multiplexing the same time-frequency resource.
- FIG. 8 shows a schematic flow chart of a method 800 of determining a modulation coding order according to another embodiment of the present invention, as described from the perspective of a terminal device (eg, terminal device #1).
- the method 800 is performed on a first one of the K terminal devices. As shown in FIG. 8, the method 800 includes:
- the K terminal determines a signal-to-noise ratio SINR of the channel, where the channel is a channel based on the first time-frequency resource, where the channel is used to transmit downlink data between the first terminal device and the network device in a first time period, the K terminal
- the device multiplexes the first time-frequency resource with the network device for downlink data transmission in the first period, K ⁇ 2;
- the first indication information and the second indication information are sent to the network device, where the first indication information is used to indicate the CQI, where the second indication information is used to indicate a first decoding iteration number, the first decoding iteration number The number of decoding iterations when the first terminal device decodes the downlink data, so that the network device determines the modulation of the first terminal device according to the number K of the terminal devices and the number of the first decoding iterations.
- the method is applied to a sparse code division multiple access communication system, where the first time-frequency resource is a time-frequency resource block including at least two resource units RE.
- the operation of the first terminal device in the above method 700 is similar to the operation of the terminal device #1 in the method 200 or the method 500 in the case of the feedback channel CQI and the feedback decoding iteration number.
- the feedback channel CQI and the feedback decoding iteration number in order to avoid redundancy, detailed description thereof will be omitted.
- the K terminal devices multiplex the same time-frequency resource with the network device for data transmission in the same period, and the first terminal device and the network device pass the time-frequency based on the time-frequency.
- the channel transmission data of the resource is processed by the CQI determined by the channel-based signal-to-noise ratio according to the number of terminal devices K and the number of decoding iterations, and the processed CQI can be reflected in the data transmission process of the first terminal device.
- the interference noise situation is adjusted according to the CQI after the above processing, and the modulation coding order of the first terminal device is adjusted, so that the adjusted modulation coding order can be adapted to the interference noise condition of the first terminal device, thereby being applicable to Adjustment of the modulation coding order of the terminal device that performs data transmission by multiplexing the same time-frequency resource.
- modulation coding order according to an embodiment of the present invention is described in detail with reference to FIGS. 1 through 8.
- Method, an apparatus for modulating an encoding order according to an embodiment of the present invention will be described in detail below with reference to FIGS. 9 through 12.
- FIG. 9 shows a schematic block diagram of an apparatus 900 for modulating coding orders in accordance with an embodiment of the present invention.
- the apparatus 900 includes:
- the quantity determining unit 910 is configured to determine a quantity K, K ⁇ 2 of the terminal device that multiplexes the first time-frequency resource with the device for downlink data transmission in the first time period;
- the CQI determining unit 920 is configured to obtain a channel quality indicator CQI, where the CQI is determined according to a signal to noise ratio (SINR) of the channel and a quantity K of the terminal device, where the channel is a channel based on the first time-frequency resource, the channel Transmitting, by the first terminal device, the downlink data between the first terminal device and the device in the first time period;
- SINR signal to noise ratio
- the MCS determining unit 930 is configured to determine, according to the CQI, a modulation and coding order MCS of the first terminal device.
- the CQI is determined according to an SINR of the channel, a quantity K of the terminal device, and a first decoding iteration number, where the first decoding iteration number is that the first terminal device decodes the downlink data.
- the number of decoding iterations is determined according to an SINR of the channel, a quantity K of the terminal device, and a first decoding iteration number, where the first decoding iteration number is that the first terminal device decodes the downlink data. The number of decoding iterations.
- the CQI is determined according to an SINR of the channel, a quantity K of the terminal device, a quantity of the first acknowledgement message, and a quantity of the first non-acknowledgment message, where the first acknowledgement message is automatically mixed for the downlink data.
- the acknowledgment message sent by the first terminal device to the device during the HARQ process is retransmitted, and the first non-acknowledgement message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process.
- the CQI is determined according to the SINR of the channel, the number K of the terminal devices, the number of first decoding iterations, the number of first acknowledgement messages, and the number of first unacknowledged messages, the first decoding iteration.
- the number of times of decoding is the number of decoding iterations when the first terminal device decodes the downlink data
- the first acknowledgement message is sent by the first terminal device to the device in the hybrid automatic repeat request HARQ process for the downlink data.
- the acknowledgment message, the first acknowledgment message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process.
- the device further includes:
- a sending unit configured to send first indication information to the first terminal device, where the first indication information is used to indicate the number K of the terminal devices;
- a receiving unit configured to receive second indication information that is sent by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the SINR of the first terminal device according to the channel, and the end The number of end devices is determined by K;
- the CQI determining unit is specifically configured to determine the CQI according to the second indication information.
- the device further includes:
- a sending unit configured to send first indication information to the first terminal device, where the first indication information is used to indicate the number K of the terminal devices;
- a receiving unit configured to receive second indication information that is sent by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the SINR of the first terminal device according to the channel, the number K of the terminal devices, and Determining the number of first decoding iterations, the number of decoding iterations is the number of decoding iterations when the first terminal device decodes the downlink data;
- the CQI determining unit is specifically configured to determine the CQI according to the second indication information.
- the device further includes:
- a sending unit configured to send first indication information to the first terminal device, where the first indication information is used to indicate the number K of the terminal devices;
- a receiving unit configured to receive second indication information that is sent by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the SINR of the first terminal device according to the channel, the number K of the terminal devices, Determining, by the quantity of the first acknowledgement message and the number of the first non-acknowledgement message, the first acknowledgement message is an acknowledgement message sent by the first terminal device to the device in the hybrid automatic repeat request (HARQ) process for the downlink data,
- the first non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process;
- the CQI determining unit is specifically configured to determine the CQI according to the second indication information.
- the device further includes:
- a sending unit configured to send first indication information to the first terminal device, where the first indication information is used to indicate the number K of the terminal devices;
- a receiving unit configured to receive second indication information that is sent by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the SINR of the first terminal device according to the channel, the number K of the terminal devices, Determining the number of first decoding iterations, the number of first acknowledgement messages, and the number of first unacknowledged messages, the first number of decoding iterations is a decoding iteration when the first terminal device performs decoding processing on the downlink data.
- the first acknowledgment message is an acknowledgment message sent by the first terminal device to the device in the hybrid automatic retransmission request HARQ process for the downlink data, where the first non-acknowledgement message is the first terminal device in the HARQ process a non-acknowledgment message sent to the device;
- the CQI determining unit is specifically configured to determine the CQI according to the second indication information.
- the device further includes:
- a receiving unit configured to receive third indication information that is sent by the first terminal device, where the third indication information is used to indicate a CQI that is sent by the first terminal device, and the CQI that is fed back by the first terminal device is the first terminal device according to the The SINR of the channel is determined;
- the CQI determining unit is specifically configured to process the CQI fed back by the first terminal device according to the number K of the terminal devices to determine the CQI.
- the receiving unit is further configured to receive fourth indication information that is sent by the first terminal device, where the fourth indication information is used to indicate a first decoding iteration number, where the first decoding iteration number is the first terminal The number of decoding iterations when the device decodes the downlink data;
- the CQI determining unit is specifically configured to process the CQI fed back by the first terminal device according to the number K of the terminal devices and the number of the first decoding iterations.
- the CQI determining unit is further configured to determine a quantity of the first acknowledgement message and a quantity of the first non-acknowledgement message, where the first acknowledgement message is sent by the first terminal device to the device in the HARQ process for the downlink data.
- the acknowledgment message, the first acknowledgment message is a non-acknowledgement message sent by the first terminal device to the device in the HARQ process, according to the quantity K of the terminal device, the number of the first acknowledgment message, and the first The number of non-acknowledgment messages is processed by the CQI fed back by the first terminal device.
- the receiving unit is further configured to receive fourth indication information that is sent by the first terminal device, where the fourth indication information is used to indicate a first decoding iteration number, where the first decoding iteration number is the first terminal The number of decoding iterations when the device decodes the downlink data;
- the CQI determining unit is further configured to determine a quantity of the first acknowledgement message and a quantity of the first non-acknowledgement message, where the first acknowledgement message is an acknowledgement message sent by the first terminal device to the device in the HARQ process for the downlink data,
- the first non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process, according to the number K of the terminal device, the first decoding iteration number, and the number of the first acknowledgement message. And processing the CQI fed back by the first terminal device by the number of the first non-acknowledgment message.
- the device is configured in a sparse code division multiple access communication system, where the first time-frequency resource is a time-frequency resource block including at least two resource units RE.
- the device is a network device.
- the apparatus 900 for modulating the coding order may correspond to the embodiment of the present invention.
- a network device e.g., a base station
- the K terminal devices multiplex the same time-frequency resource with the network device for data transmission in the same period, and the first terminal device and the network device pass the time-frequency based on the time-frequency.
- the channel transmission data of the resource is processed by the CQI determined by the channel-based signal-to-noise ratio according to the number of terminal devices K and the number of decoding iterations, and the processed CQI can be reflected in the data transmission process of the first terminal device.
- the interference noise situation is adjusted according to the CQI after the above processing, and the modulation coding order of the first terminal device is adjusted, so that the adjusted modulation coding order can be adapted to the interference noise condition of the first terminal device, thereby being applicable to Adjustment of the modulation coding order of the terminal device that performs data transmission by multiplexing the same time-frequency resource.
- FIG. 10 shows a schematic block diagram of an apparatus 1000 for modulating an encoding order in accordance with an embodiment of the present invention. As shown in FIG. 10, the apparatus 1000 includes:
- the quantity determining unit 1010 is configured to determine a quantity K, K ⁇ 2 of the terminal device that multiplexes the first time-frequency resource with the device for downlink data transmission in the first time period;
- the receiving unit 1020 is configured to receive first indication information that is sent by the first terminal device, where the first indication information is used to indicate a channel quality indicator CQI, where the CQI is determined by the first terminal device according to an SINR of the channel, where the channel is And the channel is used to transmit downlink data between the first terminal device and the device in the first time period according to the channel of the first time-frequency resource;
- the MSC determining unit 1030 is configured to determine, according to the preset mapping relationship information, a modulation coding order MCS corresponding to the value of the number of the terminal devices and the value of the CQI, as the MCS of the first terminal device, where
- the mapping relationship information is used to indicate a one-to-one mapping relationship between the N parameter sets and the N MCSs, and each parameter set includes a terminal device quantity value and a CQI value, and N ⁇ 2.
- each parameter set further includes a decoding iteration number value
- the receiving unit is further configured to receive the second indication information that is sent by the first terminal device, where the second indication information is used to indicate a first decoding iteration number, where the first decoding iteration number is the downlink of the first terminal device The number of decoding iterations when the data is decoded; and
- the MSC determining unit is specifically configured to determine, according to the preset mapping relationship information, an MCS corresponding to the value of the number K of the terminal devices, the value of the CQI, and the value of the first decoding iteration number.
- each parameter set further includes a quantity value of the acknowledgement message and a non-acknowledgement message. Quantity value
- the quantity determining unit is further configured to determine a quantity of the first acknowledgement message and a quantity of the first non-acknowledgement message, where the first acknowledgement message is sent by the first terminal device to the hybrid automatic repeat request (HARQ) for the downlink data a confirmation message of the device, the first non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process, the adjustment policy information further includes the quantity of the first acknowledgement message and the first non-acknowledgement message Quantity; and
- the MSC determining unit is specifically configured to determine, according to the preset mapping relationship information, a value of the number K of the terminal device, a value of the CQI, a quantity of the first acknowledgement message, and a quantity of the first unconfirmed message. MCS.
- each parameter set further includes a decoding iteration number value, a quantity value of an acknowledgement message, and a quantity value of a non-confirmation message;
- the receiving unit is further configured to receive the second indication information that is sent by the first terminal device, where the second indication information is used to indicate a first decoding iteration number, where the first decoding iteration number is the downlink of the first terminal device The number of decoding iterations when the data is decoded;
- the quantity determining unit is further configured to determine a quantity of the first acknowledgement message and a quantity of the first non-acknowledgement message, where the first acknowledgement message is an acknowledgement message sent by the first terminal device to the device in the HARQ process of the downlink data,
- the first non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process, and the adjustment policy information further includes a quantity of the first acknowledgement message and a quantity of the first non-acknowledgement message;
- the MSC determining unit is specifically configured to determine, according to the preset mapping relationship information, a value of the number K of the terminal device, a value of the CQI, a value of the first decoding iteration number, a quantity of the first acknowledgement message, and the number The number of non-confirmed messages corresponds to the MCS.
- the device is configured in a sparse code division multiple access communication system, where the first time-frequency resource is a time-frequency resource block including at least two resource units RE.
- the device is a network device.
- the mapping relationship information is specifically a mapping entry that records a one-to-one mapping relationship between the N parameter sets and the N MCSs.
- the apparatus 1000 for modulating the coding order according to the embodiment of the present invention may correspond to a network device (for example, a base station) in the method of the embodiment of the present invention, and modulate each unit in the apparatus 1000 of the coding order, that is, the module and the other
- a network device for example, a base station
- the operations and/or functions are respectively implemented in order to implement the corresponding processes of the method 500 in FIG. 5, and are not described herein again for brevity.
- the K terminal devices multiplex the same time-frequency resource with the network device for data transmission in the same period, and the first terminal device and the network device pass the time-frequency based on the time-frequency.
- the channel transmission data of the resource determines the MCS by the CQI determined according to the number K of the terminal device and the signal-to-noise ratio based on the channel, so that the MCS can reflect the interference noise of the first terminal device during data transmission, thereby enabling adjustment
- the subsequent modulation coding order is adapted to the interference noise condition of the first terminal device, and thus can be adapted to adjust the modulation coding order of the terminal device that performs data transmission by multiplexing the same time-frequency resource.
- Figure 11 shows a schematic block diagram of an apparatus 1100 for modulating coding orders in accordance with an embodiment of the present invention.
- the device 1100 belongs to K terminal devices. As shown in FIG. 11, the device 1100 includes:
- a determining unit 1110 configured to determine a signal to noise ratio SINR of the channel, where the channel is a channel based on the first time-frequency resource, where the channel is used to transmit downlink data between the device and the network device in a first time period, the K
- the terminal device multiplexes the first time-frequency resource with the network device for downlink data transmission in the first time period, K ⁇ 2;
- the receiving unit 1120 is configured to receive first indication information that is sent by the network device, where the first indication information is used to indicate the number K of the terminal devices;
- the determining unit 1110 further determines a channel quality indicator CQI by using a signal-to-noise ratio SINR according to the channel and a quantity K of the terminal device;
- the sending unit 1130 is configured to send, to the network device, second indication information, where the second indication information is used to indicate the CQI, so that the network device determines, according to the CQI, a modulation and coding order MCS of the device.
- the determining unit is specifically configured to determine a CQI according to an SINR of the channel, a quantity K of the terminal device, and a first decoding iteration number, where the first decoding iteration number is that the device decodes the downlink data. The number of decoding iterations at the time of processing.
- the determining unit is specifically configured to determine a CQI according to an SINR of the channel, a quantity K of the terminal device, a quantity of the first acknowledgement message, and a quantity of the first non-acknowledgment message, where the first acknowledgement message is for the downlink
- the hybrid automatic repeat request of the data is an acknowledgment message sent by the device to the network device during the HARQ process
- the first non-acknowledgment message is a non-acknowledgment message sent by the device to the network device in the HARQ process.
- the determining unit is specifically configured to determine, according to an SINR of the channel, a quantity K of the terminal device, a first decoding iteration number, a quantity of the first acknowledgement message, and a quantity of the first non-acknowledgment message, the CQI, where the A decoding iteration number is a decoding when the device decodes the downlink data
- the first acknowledgment message is an acknowledgment message sent by the device to the network device during the hybrid automatic retransmission request HARQ process for the downlink data, where the first acknowledgment message is sent by the device to the network during the HARQ process A non-confirmation message for the device.
- the device is configured in a sparse code division multiple access communication system, where the first time-frequency resource is a time-frequency resource block including at least two resource units RE.
- the apparatus 1100 for modulating the coding order may correspond to a first terminal device (e.g., terminal device #1) in the method of the embodiment of the present invention, and modulate each unit in the apparatus 1100 of the coding order That is, the modules and the other operations and/or functions described above are respectively implemented in order to implement the corresponding processes of the method 700 in FIG. 7, and are not described herein again for brevity.
- a first terminal device e.g., terminal device #1
- modulate each unit in the apparatus 1100 of the coding order That is, the modules and the other operations and/or functions described above are respectively implemented in order to implement the corresponding processes of the method 700 in FIG. 7, and are not described herein again for brevity.
- the K terminal devices multiplex the same time-frequency resource with the network device for data transmission in the same period, and the first terminal device and the network device pass the time-frequency based on the time-frequency.
- the channel transmission data of the resource is processed by the CQI determined by the channel-based signal-to-noise ratio according to the number of terminal devices K and the number of decoding iterations, and the processed CQI can be reflected in the data transmission process of the first terminal device.
- the interference noise situation is adjusted according to the CQI after the above processing, and the modulation coding order of the first terminal device is adjusted, so that the adjusted modulation coding order can be adapted to the interference noise condition of the first terminal device, thereby being applicable to Adjustment of the modulation coding order of the terminal device that performs data transmission by multiplexing the same time-frequency resource.
- FIG. 12 shows a schematic block diagram of an apparatus 1200 for modulating an encoding order in accordance with an embodiment of the present invention.
- the device 1200 belongs to K terminal devices. As shown in FIG. 12, the device 1200 includes:
- a determining unit 1210 configured to determine a signal to noise ratio SINR of the channel, where the channel is a channel based on the first time-frequency resource, where the channel is used to transmit downlink data between the device and the network device in a first time period, the K The terminal device multiplexes the first time-frequency resource with the network device for downlink data transmission in the first time period, and K ⁇ 2, for determining a channel quality indicator CQI according to the SINR of the channel;
- the sending unit 1220 is configured to send the first indication information and the second indication information to the network device, where the first indication information is used to indicate the CQI, where the second indication information is used to indicate a first decoding iteration number, the first The number of decoding iterations is the number of decoding iterations when the device decodes the downlink data, so that the network device determines the modulation coding order of the device according to the number K of the terminal devices and the number of the first decoding iterations. Number MCS.
- the device is configured in a sparse code division multiple access communication system, where the first time-frequency resource is a time-frequency resource block including at least two resource units RE.
- the apparatus 1200 for modulating the coding order may correspond to an embodiment of the present invention.
- the first terminal device eg, terminal device #1
- the corresponding process for the sake of brevity, will not be described here.
- the K terminal devices multiplex the same time-frequency resource with the network device for data transmission in the same period, and the first terminal device and the network device pass the time-frequency based on the time-frequency.
- the channel transmission data of the resource is processed by the CQI determined by the channel-based signal-to-noise ratio according to the number of terminal devices K and the number of decoding iterations, and the processed CQI can be reflected in the data transmission process of the first terminal device.
- the interference noise situation is adjusted according to the CQI after the above processing, and the modulation coding order of the first terminal device is adjusted, so that the adjusted modulation coding order can be adapted to the interference noise condition of the first terminal device, thereby being applicable to Adjustment of the modulation coding order of the terminal device that performs data transmission by multiplexing the same time-frequency resource.
- FIG. 13 shows a schematic block diagram of an apparatus 1300 for modulating an encoding order in accordance with an embodiment of the present invention. As shown in FIG. 13, the device 1300 includes:
- processor 1320 connected to the bus
- transceiver 1340 connected to the bus
- the processor through the bus, invokes a program stored in the memory, for determining the number K, K ⁇ 2 of the terminal device that multiplexes the first time-frequency resource with the device for downlink data transmission in the first time period;
- a channel quality indicator CQI where the CQI is determined according to a signal to noise ratio (SINR) of the channel and a quantity K of the terminal device, where the channel is based on the channel of the first time-frequency resource, where the channel is used by the first terminal device and Transmitting downlink data between the devices during the first time period;
- SINR signal to noise ratio
- the CQI is determined according to an SINR of the channel, a quantity K of the terminal device, and a first decoding iteration number, where the first decoding iteration number is that the first terminal device decodes the downlink data.
- the number of decoding iterations is determined according to an SINR of the channel, a quantity K of the terminal device, and a first decoding iteration number, where the first decoding iteration number is that the first terminal device decodes the downlink data. The number of decoding iterations.
- the CQI is based on the SINR of the channel, the number K of the terminal devices, and the first Determining the number of the acknowledgement message and the number of the first non-acknowledgment message, the first acknowledgement message is an acknowledgement message sent by the first terminal device to the device in the hybrid automatic repeat request HARQ process for the downlink data, the first The non-acknowledgment message is a non-acknowledgement message sent by the first terminal device to the device in the HARQ process.
- the CQI is determined according to the SINR of the channel, the number K of the terminal devices, the number of first decoding iterations, the number of first acknowledgement messages, and the number of first unacknowledged messages, the first decoding iteration.
- the number of times of decoding is the number of decoding iterations when the first terminal device decodes the downlink data, and the first acknowledgement message is sent by the first terminal device to the device in the hybrid automatic repeat request HARQ process for the downlink data.
- the acknowledgment message is that the first non-acknowledgment message is a non-acknowledgement message sent by the first terminal device to the device in the HARQ process.
- the processor is specifically configured to control the transceiver to send the first indication information to the first terminal device, where the first indication information is used to indicate the number K of the terminal devices;
- the processor is specifically configured to control the transceiver to send the first indication information to the first terminal device, where the first indication information is used to indicate the number K of the terminal devices;
- the second indication information is used to be used by the first terminal device to indicate the CQI, where the CQI is the SINR of the first terminal device according to the channel, and the number K of the terminal devices. And determining, by the first decoding iteration number, the number of decoding iterations when the first terminal device performs decoding processing on the downlink data.
- the processor is specifically configured to control the transceiver to send the first indication information to the first terminal device, where the first indication information is used to indicate the number K of the terminal devices;
- the transceiver Controlling the transceiver to receive the second indication information that is sent by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the SINR of the first terminal device according to the channel, the number K of the terminal devices, and the first Determining the number of the acknowledgment message and the number of the first acknowledgment message, the first acknowledgment message is a acknowledgment message sent by the first terminal device to the device in the hybrid automatic retransmission request HARQ process for the downlink data, the A non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process.
- the processor is specifically configured to control the transceiver to send the first indication information to the first terminal device, where the first indication information is used to indicate the number K of the terminal devices;
- the transceiver Controlling the transceiver to receive the second indication information that is sent by the first terminal device, where the second indication information is used to indicate the CQI, where the CQI is the SINR of the first terminal device according to the channel, the number K of the terminal devices, and the first Determining the number of decoding iterations, the number of first acknowledgement messages, and the number of first unacknowledged messages, the first number of decoding iterations is the number of decoding iterations when the first terminal device decodes the downlink data.
- the first acknowledgment message is an acknowledgment message sent by the first terminal device to the device in the hybrid automatic retransmission request HARQ process for the downlink data, where the first non-acknowledgment message is sent by the first terminal device in the HARQ process. A non-confirmation message to the device.
- the processor is specifically configured to control the transceiver to receive the third indication information that is sent by the first terminal device, where the third indication information is used to indicate the CQI that is fed back by the first terminal device, where the first terminal device feeds back CQI is determined by the first terminal device according to the SINR of the channel;
- the processor is specifically configured to control the transceiver to receive the fourth indication information sent by the first terminal device, where the fourth indication information is used to indicate a first decoding iteration number, where the first decoding iteration number is The number of decoding iterations when the first terminal device decodes the downlink data; and
- the processor is specifically configured to determine a quantity of the first acknowledgement message and a quantity of the first non-acknowledgement message, where the first acknowledgement message is sent by the first terminal device to the device in the HARQ process for the downlink data.
- a confirmation message the first non-acknowledgment message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process;
- the processor is specifically configured to control the transceiver to receive the fourth indication information sent by the first terminal device, where the fourth indication information is used to indicate a first decoding iteration number, where the first decoding iteration number is The number of decoding iterations when the first terminal device decodes the downlink data;
- the first non-acknowledgement message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process
- the first decoding iteration number, the first acknowledgement message The number of the first non-confirmed message and the CQI fed back by the first terminal device are processed.
- the device is configured in a sparse code division multiple access communication system, where the first time-frequency resource is a time-frequency resource block including at least two resource units RE.
- the device is a network device.
- Embodiments of the present invention are applicable to various communication devices.
- the receiver of device 1300 can include a receiving circuit, a power controller, a decoder, and an antenna, and device 1300 can also include a transmitter, which can include a transmitting circuit, a power controller, an encoder, and an antenna.
- the processor can also be referred to as a CPU.
- the memory can include read only memory and random access memory and provides instructions and data to the processor. A portion of the memory may also include non-volatile line random access memory (NVRAM).
- device 1300 may be embedded or may itself be a network device such as a base station, and may also include a carrier that houses the transmitting circuitry and the receiving circuitry to allow for data transmission and reception between device 1300 and a remote location.
- the transmit and receive circuits can be coupled to the antenna.
- the various components of device 1300 are coupled together by a bus, wherein the bus includes a power bus, a control bus, and a status signal bus in addition to the data bus. However, for the sake of clarity, various buses are labeled as buses in the figure.
- the decoder in a specific different product may be integrated with the processing unit.
- the processor may implement or perform the steps and logic blocks disclosed in the method embodiments of the present invention.
- the general purpose processor may be a microprocessor or the processor or any conventional processor, decoder or the like.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the processor may be a central processing unit (“CPU"), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and dedicated processors. Integrated circuit (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
- the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
- the memory can include read only memory and random access memory and provides instructions and data to the processor.
- a portion of the memory may also include a non-volatile random access memory.
- storage can also store information about the type of device.
- the bus system may include a power bus, a control bus, and a status signal bus in addition to the data bus.
- a power bus may include a power bus, a control bus, and a status signal bus in addition to the data bus.
- the various buses are labeled as bus systems in the figure.
- each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method. To avoid repetition, it will not be described in detail here.
- the apparatus 1300 for modulating the coding order according to the embodiment of the present invention may correspond to a network device (for example, a base station) in the method of the embodiment of the present invention, and modulate each unit in the apparatus 1300 of the coding order, that is, the module and the other
- the operations and/or functions are respectively implemented in order to implement the corresponding processes of the method 200 in FIG. 2, and are not described herein for brevity.
- the K terminal devices multiplex the same time-frequency resource with the network device for data transmission in the same period, and the first terminal device and the network device pass the time-frequency based on the time-frequency.
- the channel transmission data of the resource is processed by the CQI determined by the channel-based signal-to-noise ratio according to the number of terminal devices K and the number of decoding iterations, and the processed CQI can be reflected in the data transmission process of the first terminal device.
- the interference noise situation is adjusted according to the CQI after the above processing, and the modulation coding order of the first terminal device is adjusted, so that the adjusted modulation coding order can be adapted to the interference noise condition of the first terminal device, thereby being applicable to Adjustment of the modulation coding order of the terminal device that performs data transmission by multiplexing the same time-frequency resource.
- FIG. 14 shows a schematic block diagram of an apparatus 1400 that modulates an encoding order in accordance with an embodiment of the present invention.
- the device 1400 includes:
- processor 1420 connected to the bus
- transceiver 1440 connected to the bus
- the processor through the bus, invokes a program stored in the memory, for determining the number K, K ⁇ 2 of the terminal device that multiplexes the first time-frequency resource with the device for downlink data transmission in the first time period;
- the first indication information is used to be used by the first terminal device to determine the channel quality indicator CQI, where the CQI is determined by the first terminal device according to the SINR of the channel, where the channel is The channel is used to transmit downlink data between the first terminal device and the device in the first time period based on the channel of the first time-frequency resource;
- each parameter set includes a terminal device number value and a CQI value, N ⁇ 2.
- each parameter set further includes a decoding iteration number value
- the processor is further configured to control the transceiver to receive the second indication information sent by the first terminal device, where the second indication information is used to indicate a first decoding iteration number, the first decoding iteration number is the first terminal The number of decoding iterations when the device decodes the downlink data;
- each parameter set further includes a quantity value of an acknowledgement message and a quantity value of a non-confirmation message
- the processor is further configured to determine a quantity of the first acknowledgement message and a quantity of the first non-acknowledgement message, where the first acknowledgement message is sent by the first terminal device to the device in a hybrid automatic repeat request (HARQ) process for the downlink data
- the acknowledgment message, the first acknowledgment message is a non-acknowledgment message sent by the first terminal device to the device in the HARQ process, where the adjustment policy information further includes the quantity of the first acknowledgment message and the first acknowledgment message Quantity;
- each parameter set further includes a decoding iteration number value, a quantity value of an acknowledgement message, and a quantity value of a non-confirmation message;
- the processor is further configured to control the transceiver to receive the second indication information sent by the first terminal device, where the second indication information is used to indicate a first decoding iteration number, the first decoding iteration number is the first terminal The number of decoding iterations when the device decodes the downlink data;
- the adjustment policy information further includes the number of the first acknowledgement message and the number of the first non-acknowledgement message
- the number corresponds to the MCS.
- the device is configured in a sparse code division multiple access communication system, where the first time-frequency resource is a time-frequency resource block including at least two resource units RE.
- the device is a network device.
- the mapping relationship information is specifically a mapping entry that records a one-to-one mapping relationship between the N parameter sets and the N MCSs.
- Embodiments of the present invention are applicable to various communication devices.
- the receiver of device 1400 can include a receiving circuit, a power controller, a decoder, and an antenna, and device 1400 can also include a transmitter, which can include a transmitting circuit, a power controller, an encoder, and an antenna.
- the processor can also be referred to as a CPU.
- the memory can include read only memory and random access memory and provides instructions and data to the processor. A portion of the memory may also include non-volatile line random access memory (NVRAM).
- device 1400 may be embedded or may itself be a network device such as a base station, and may also include a carrier that houses the transmitting circuitry and the receiving circuitry to allow for data transmission and reception between device 1400 and a remote location.
- the transmit and receive circuits can be coupled to the antenna.
- the various components of device 1400 are coupled together by a bus, wherein the bus includes a power bus, a control bus, and a status signal bus in addition to the data bus. However, for the sake of clarity, various buses are labeled as buses in the figure.
- the decoder in a specific different product may be integrated with the processing unit.
- the processor may implement or perform the steps and logic blocks disclosed in the method embodiments of the present invention.
- the general purpose processor may be a microprocessor or the processor or any conventional processor, decoder or the like.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the processor may be a central processing unit (Central) Processing Unit (referred to as "CPU"), which can also be other general purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), off-the-shelf programmable gate arrays (FPGAs), or other programmable logic devices. , discrete gates or transistor logic devices, discrete hardware components, etc.
- the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
- the memory can include read only memory and random access memory and provides instructions and data to the processor.
- a portion of the memory may also include a non-volatile random access memory.
- the memory can also store information of the device type.
- the bus system may include a power bus, a control bus, and a status signal bus in addition to the data bus.
- a power bus may include a power bus, a control bus, and a status signal bus in addition to the data bus.
- the various buses are labeled as bus systems in the figure.
- each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method. To avoid repetition, it will not be described in detail here.
- the apparatus 1400 for modulating the coding order may correspond to a network device (e.g., a base station) in the method of the embodiment of the present invention, and modulating each unit in the apparatus 1400 of the coding order, that is, the module and the other
- a network device e.g., a base station
- modulating each unit in the apparatus 1400 of the coding order that is, the module and the other
- the operations and/or functions are respectively implemented in order to implement the corresponding processes of the method 500 in FIG. 5, and are not described herein again for brevity.
- the K terminal devices multiplex the same time-frequency resource with the network device for data transmission in the same period, and the first terminal device and the network device pass the time-frequency based on the time-frequency.
- the channel transmission data of the resource determines the MCS by the CQI determined according to the number K of the terminal device and the signal-to-noise ratio based on the channel, so that the MCS can reflect the interference noise of the first terminal device during data transmission, thereby enabling adjustment
- the subsequent modulation coding order is adapted to the interference noise condition of the first terminal device, and thus can be adapted to adjust the modulation coding order of the terminal device that performs data transmission by multiplexing the same time-frequency resource.
- Figure 15 shows a schematic block diagram of an apparatus 1500 for modulating coding orders in accordance with an embodiment of the present invention.
- the device 1500 belongs to K terminal devices. As shown in FIG. 15, the device 1500 includes:
- processor 1520 connected to the bus
- transceiver 1540 connected to the bus
- the processor by using the bus, invokes a program stored in the memory for determining a signal-to-noise ratio SINR of the channel, where the channel is a channel based on the first time-frequency resource, and the channel is used for the device and the network.
- the downlink data is transmitted between the devices in the first time period, and the K terminal devices multiplex the first time-frequency resource with the network device for downlink data transmission in the first time period, K ⁇ 2;
- the first indication information used by the transceiver to receive the network device is used to indicate the number K of the terminal devices;
- the transceiver controlling the transceiver to send the second indication information to the network device, where the second indication information is used to indicate the CQI, so that the network device determines the modulation and coding order MCS of the device according to the CQI.
- the processor is specifically configured to determine a CQI according to an SINR of the channel, a quantity K of the terminal device, and a first decoding iteration number, where the first decoding iteration number is that the device decodes the downlink data. The number of decoding iterations at the time of processing.
- the processor is specifically configured to determine a CQI according to an SINR of the channel, a quantity K of the terminal device, a quantity of the first acknowledgement message, and a quantity of the first non-acknowledgment message, where the first acknowledgement message is for the downlink
- the hybrid automatic repeat request of the data is an acknowledgment message sent by the device to the network device during the HARQ process
- the first non-acknowledgement message is a non-acknowledgment message sent by the device to the network device in the HARQ process.
- the processor is specifically configured to determine a CQI according to an SINR of the channel, a quantity K of the terminal device, a first decoding iteration number, a quantity of the first acknowledgement message, and a quantity of the first non-acknowledgment message, where the CQI is determined.
- the number of decoding iterations is the number of decoding iterations when the device decodes the downlink data
- the first acknowledgement message is sent to the network device by the device during the hybrid automatic retransmission request HARQ process for the downlink data.
- a confirmation message, the first non-acknowledgment message is a non-acknowledgment message sent by the device to the network device in the HARQ process.
- the device belongs to a sparse code division multiple access communication system
- the first time-frequency resource is a time-frequency resource block including at least two resource units RE.
- Embodiments of the present invention are applicable to various communication devices.
- the receiver of device 1500 can include a receiving circuit, a power controller, a decoder, and an antenna. Also, device 1500 can also include a transmitter that can include a transmit circuit, a power controller, an encoder, and an antenna.
- the processor can also be referred to as a CPU.
- the memory can include read only memory and random access memory and provides instructions and data to the processor.
- a portion of the memory may also include non-volatile line random access memory (NVRAM).
- device 1500 can embed or itself be a wireless communication device such as a mobile telephone, and can also include a carrier that houses the transmitting circuitry and the receiving circuitry to allow for data transmission and reception between device 1500 and a remote location.
- the transmit and receive circuits can be coupled to the antenna.
- the various components of device 1500 are coupled together by a bus, wherein the bus includes a power bus, a control bus, and a status signal bus in addition to the data bus.
- various buses are labeled as buses in the figure.
- the decoder in a specific different product may be integrated with the processing unit.
- the processor may implement or perform the steps and logic blocks disclosed in the method embodiments of the present invention.
- the general purpose processor may be a microprocessor or the processor or any conventional processor, decoder or the like.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the processor may be a central processing unit (“CPU"), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and dedicated processors. Integrated circuit (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
- the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
- the memory can include read only memory and random access memory and provides instructions and data to the processor.
- a portion of the memory may also include a non-volatile random access memory.
- the memory can also store information of the device type.
- the bus system may include a power bus, a control bus, and a status signal bus in addition to the data bus.
- a power bus may include a power bus, a control bus, and a status signal bus in addition to the data bus.
- the various buses are labeled as bus systems in the figure.
- each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
- Software modules can be located in random access memory, flash memory, read-only memory, programmable read-only memory Memory or electrically erasable programmable memory, registers, etc. are well-established in the storage medium of the art.
- the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method. To avoid repetition, it will not be described in detail here.
- the apparatus 1500 for modulating the coding order may correspond to a first terminal device (for example, terminal device #1) in the method of the embodiment of the present invention, and modulate each unit in the device 1500 of the coding order That is, the modules and the other operations and/or functions described above are respectively implemented in order to implement the corresponding processes of the method 700 in FIG. 7, and are not described herein again for brevity.
- the K terminal devices multiplex the same time-frequency resource with the network device for data transmission in the same period, and the first terminal device and the network device pass the time-frequency based on the time-frequency.
- the channel transmission data of the resource is processed by the CQI determined by the channel-based signal-to-noise ratio according to the number of terminal devices K and the number of decoding iterations, and the processed CQI can be reflected in the data transmission process of the first terminal device.
- the interference noise situation is adjusted according to the CQI after the above processing, and the modulation coding order of the first terminal device is adjusted, so that the adjusted modulation coding order can be adapted to the interference noise condition of the first terminal device, thereby being applicable to Adjustment of the modulation coding order of the terminal device that performs data transmission by multiplexing the same time-frequency resource.
- FIG. 16 shows a schematic block diagram of an apparatus 1600 that modulates an encoding order in accordance with an embodiment of the present invention.
- the device 1600 belongs to K terminal devices. As shown in FIG. 16, the device 1600 includes:
- processor 1620 connected to the bus
- transceiver 1640 connected to the bus
- the processor by using the bus, invokes a program stored in the memory for determining a signal-to-noise ratio SINR of the channel, where the channel is a channel based on the first time-frequency resource, and the channel is used for the device and the network.
- the downlink data is transmitted between the devices in the first time period, and the K terminal devices multiplex the first time-frequency resource with the network device for downlink data transmission in the first time period, K ⁇ 2;
- the second indicator information is used to send the first indication information and the second indication information, where the first indication information is used to indicate the CQI, where the second indication information is used to indicate the first decoding iteration number, the first translation
- the number of code iterations is the number of decoding iterations when the device decodes the downlink data, so that the network device determines the modulation coding order of the device according to the number K of the terminal devices and the number of the first decoding iterations. MCS.
- the device belongs to a sparse code division multiple access communication system
- the first time-frequency resource is a time-frequency resource block including at least two resource units RE.
- Embodiments of the present invention are applicable to various communication devices.
- the receiver of device 1600 can include a receiving circuit, a power controller, a decoder, and an antenna, and device 1600 can also include a transmitter, which can include a transmitting circuit, a power controller, an encoder, and an antenna.
- the processor can also be referred to as a CPU.
- the memory can include read only memory and random access memory and provides instructions and data to the processor.
- a portion of the memory may also include non-volatile line random access memory (NVRAM).
- device 1600 can embed or itself be a wireless communication device such as a mobile telephone, and can also include a carrier that houses the transmitting circuitry and the receiving circuitry to allow for data transmission and reception between device 1600 and a remote location.
- the transmit and receive circuits can be coupled to the antenna.
- the various components of device 1600 are coupled together by a bus, wherein the bus includes a power bus, a control bus, and a status signal bus in addition to the data bus.
- various buses are labeled as buses in the figure.
- the decoder in a specific different product may be integrated with the processing unit.
- the processor may implement or perform the steps and logic blocks disclosed in the method embodiments of the present invention.
- the general purpose processor may be a microprocessor or the processor or any conventional processor, decoder or the like.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the processor may be a central processing unit (“CPU"), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and dedicated processors. Integrated circuit (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
- the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
- the memory can include read only memory and random access memory and provides instructions and data to the processor.
- a portion of the memory may also include a non-volatile random access memory.
- the memory can also store information of the device type.
- the bus system may include a power bus, a control bus, and a status signal bus in addition to the data bus.
- a power bus may include a power bus, a control bus, and a status signal bus in addition to the data bus.
- the various buses are labeled as bus systems in the figure.
- each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method. To avoid repetition, it will not be described in detail here.
- the device 1600 of the modulation coding order may correspond to a first terminal device (eg, terminal device #1) in the method of the embodiment of the present invention, and modulate each unit in the device 1600 of the coding order That is, the module and the other operations and/or functions described above are respectively implemented in order to implement the corresponding process of the method 800 in FIG. 8. For brevity, no further details are provided herein.
- the K terminal devices multiplex the same time-frequency resource with the network device for data transmission in the same period, and the first terminal device and the network device pass the time-frequency based on the time-frequency.
- the channel transmission data of the resource is processed by the CQI determined by the channel-based signal-to-noise ratio according to the number of terminal devices K and the number of decoding iterations, and the processed CQI can be reflected in the data transmission process of the first terminal device.
- the interference noise situation is adjusted according to the CQI after the above processing, and the modulation coding order of the first terminal device is adjusted, so that the adjusted modulation coding order can be adapted to the interference noise condition of the first terminal device, thereby being applicable to Adjustment of the modulation coding order of the terminal device that performs data transmission by multiplexing the same time-frequency resource.
- the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be directed to the embodiments of the present invention.
- the implementation process constitutes any limitation.
- the disclosed systems, devices, and The method can be implemented in other ways.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- 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, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
- each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
- the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
- the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
- the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .
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Abstract
Description
Claims (82)
- 一种确定调制编码阶数的方法,其特征在于,所述方法执行于网络设备,所述方法包括:确定在第一时段复用第一时频资源与所述网络设备进行下行数据传输的终端设备的数量K,K≥2;获取信道质量指示CQI,所述CQI是根据信道的信噪比SINR和所述终端设备的数量K确定的,其中,所述信道是基于所述第一时频资源的信道,所述信道用于第一终端设备与所述网络设备之间在所述第一时段传输下行数据;根据所述CQI,确定所述第一终端设备的调制编码阶数MCS。
- 根据权利要求1所述的方法,其特征在于,所述CQI是根据所述信道的SINR、所述终端设备的数量K以及第一译码迭代次数确定的,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数。
- 根据权利要求1所述的方法,其特征在于,所述CQI是根据所述信道的SINR、所述终端设备的数量K、第一确认消息的数量和第一非确认消息的数量确定的,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述网络设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述网络设备的非确认消息。
- 根据权利要求1所述的方法,其特征在于,所述CQI是根据所述信道的SINR、所述终端设备的数量K、第一译码迭代次数、第一确认消息的数量和第一非确认消息的数量确定的,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述网络设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述网络设备的非确认消息。
- 根据权利要求1所述的方法,其特征在于,所述获取CQI包括:向所述第一终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指 示所述CQI,所述CQI是所述第一终端设备根据所述信道的SINR和所述终端设备的数量K确定的。
- 根据权利要求1所述的方法,其特征在于,所述获取CQI包括:向所述第一终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示所述CQI,所述CQI是所述第一终端设备根据所述信道的SINR、所述终端设备的数量K以及第一译码迭代次数确定的,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数。
- 根据权利要求1所述的方法,其特征在于,所述获取CQI包括:向所述第一终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示所述CQI,所述CQI是所述第一终端设备根据所述信道的SINR、所述终端设备的数量K、第一确认消息的数量和第一非确认消息的数量确定的,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述网络设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述网络设备的非确认消息。
- 根据权利要求1所述的方法,其特征在于,所述获取CQI包括:向所述第一终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示所述CQI,所述CQI是所述第一终端设备根据所述信道的SINR、所述终端设备的数量K、第一译码迭代次数、第一确认消息的数量和第一非确认消息的数量确定的,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述网络设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述网络设备的非确认消息。
- 根据权利要求1所述的方法,其特征在于,所述获取CQI包括:接收所述第一终端设备发送的第三指示信息,所述第三指示信息用于指 示所述第一终端设备反馈的CQI,所述第一终端设备反馈的CQI是所述第一终端设备根据所述信道的SINR确定的;根据所述终端设备的数量K,对所述第一终端设备反馈的CQI进行处理,以确定所述CQI。
- 根据权利要求9所述的方法,其特征在于,所述方法还包括:接收所述第一终端设备发送的第四指示信息,所述第四指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数;以及所述根据所述终端设备的数量K,对所述第一终端设备反馈的CQI进行处理,包括:根据所述终端设备的数量K和所述第一译码迭代次数,对所述第一终端设备反馈的CQI进行处理。
- 根据权利要求9所述的方法,其特征在于,所述方法还包括:确定第一确认消息的数量和第一非确认消息的数量,所述第一确认消息是针对所述下行数据的HARQ过程中所述第一终端设备发送给所述网络设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述网络设备的非确认消息;以及所述根据所述终端设备的数量K,对所述第一终端设备反馈的CQI进行处理,包括:根据所述终端设备的数量K、所述第一确认消息的数量和所述第一非确认消息的数量,对所述第一终端设备反馈的CQI进行处理。
- 根据权利要求9所述的方法,其特征在于,所述方法还包括:接收所述第一终端设备发送的第四指示信息,所述第四指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数;确定第一确认消息的数量和第一非确认消息的数量,所述第一确认消息是针对所述下行数据的HARQ过程中所述第一终端设备发送给所述网络设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述网络设备的非确认消息;以及所述根据所述终端设备的数量K,对所述第一终端设备反馈的CQI进行处理,包括:根据所述终端设备的数量K、所述第一译码迭代次数、所述第一确认消息的数量和所述第一非确认消息的数量,对所述第一终端设备反馈的CQI进行处理。
- 根据权利要求1至12中任一项所述的方法,其特征在于,所述方法应用于稀疏码分多址通信系统,所述第一时频资源为包括至少两个资源单元RE的时频资源块。
- 一种确定调制编码阶数的方法,其特征在于,所述方法执行于网络设备,所述方法包括:确定在第一时段复用第一时频资源与所述网络设备进行下行数据传输的终端设备的数量K,K≥2;接收所述第一终端设备发送的第一指示信息,所述第一指示信息用于指示信道质量指示CQI,所述CQI是所述第一终端设备根据信道的SINR确定的,所述信道是基于所述第一时频资源的信道,所述信道用于第一终端设备与所述网络设备之间在所述第一时段传输下行数据;根据预设的映射关系信息,确定与所述终端设备的数量K的值和所述CQI的值相对应的调制编码阶数MCS,作为所述第一终端设备的MCS,其中,所述映射关系信息用于指示N个参数集合和N个MCS之间的一一映射关系,每个参数集合包括一个终端设备数量值和一个CQI值,N≥2。
- 根据权利要求14所述的方法,其特征在于,每个参数集合还包括一个译码迭代次数值;所述方法还包括:接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数;以及所述根据预设的映射关系信息,确定与所述终端设备的数量K的值和所述CQI的值相对应的MCS,包括:根据预设的映射关系信息,确定与所述终端设备的数量K的值、所述CQI的值和所述第一译码迭代次数值相对应的MCS。
- 根据权利要求14所述的方法,其特征在于,每个参数集合还包括一个确认消息的数量值和一个非确认消息的数量值;所述方法还包括:确定第一确认消息的数量和第一非确认消息的数量,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述网络设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述网络设备的非确认消息,所述调整策略信息还包括所述第一确认消息的数量和所述第一非确认消息的数量;以及所述根据预设的映射关系信息,确定与所述终端设备的数量K的值和所述CQI的值相对应的MCS,包括:根据预设的映射关系信息,确定与所述终端设备的数量K的值、所述CQI的值、所述第一确认消息的数量和所述第一非确认消息的数量相对应的MCS。
- 根据权利要求14所述的方法,其特征在于,每个参数集合还包括一个译码迭代次数值、一个确认消息的数量值和一个非确认消息的数量值;所述方法还包括:接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数;确定第一确认消息的数量和第一非确认消息的数量,所述第一确认消息是针对所述下行数据的HARQ过程中所述第一终端设备发送给所述网络设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述网络设备的非确认消息,所述调整策略信息还包括所述第一确认消息的数量和所述第一非确认消息的数量;以及所述根据预设的映射关系信息,确定与所述终端设备的数量K的值和所述CQI的值相对应的MCS,包括:根据预设的映射关系信息,确定与所述终端设备的数量K的值、所述CQI的值、所述第一译码迭代次数值、所述第一确认消息的数量和所述第一非确认消息的数量相对应的MCS。
- 根据权利要求14至17中任一项所述的方法,其特征在于,所述方法应用于稀疏码分多址通信系统,所述第一时频资源为包括至少两个资源单元RE的时频资源块。
- 根据权利要求14至18中任一项所述的方法,其特征在于,所述映射关系信息具体为记录有所述N个参数集合和所述N个MCS之间的一一映 射关系的映射表项。
- 一种确定调制编码阶数的方法,其特征在于,所述方法执行于K个终端设备中的第一终端设备,所述方法包括:确定信道的信噪比SINR,其中,所述信道是基于第一时频资源的信道,所述信道用于所述第一终端设备与网络设备之间在第一时段传输下行数据,所述K个终端设备在所述第一时段复用所述第一时频资源与所述网络设备进行下行数据传输,K≥2;接收所述网络设备发送的第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;根据所述信道的信噪比SINR和所述终端设备的数量K,确定信道质量指示CQI;向所述网络设备发送第二指示信息,所述第二指示信息用于指示所述CQI,以便于所述网络设备根据所述CQI,确定所述第一终端设备的调制编码阶数MCS。
- 根据权利要求20所述的方法,其特征在于,根据所述信道的信噪比SINR和所述终端设备的数量K,确定CQI,包括:根据所述信道的SINR、所述终端设备的数量K以及第一译码迭代次数,确定CQI,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数。
- 根据权利要求20所述的方法,其特征在于,根据所述信道的信噪比SINR和所述终端设备的数量K,确定CQI,包括:根据所述信道的SINR、所述终端设备的数量K、第一确认消息的数量和第一非确认消息的数量,确定CQI,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述网络设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述网络设备的非确认消息。
- 根据权利要求20所述的方法,其特征在于,根据所述信道的信噪比SINR和所述终端设备的数量K,确定CQI,包括:根据所述信道的SINR、所述终端设备的数量K、第一译码迭代次数、第一确认消息的数量和第一非确认消息的数量,确定CQI,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次 数,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述网络设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述网络设备的非确认消息。
- 根据权利要求20至23中任一项所述的方法,其特征在于,所述方法应用于稀疏码分多址通信系统,所述第一时频资源为包括至少两个资源单元RE的时频资源块。
- 一种确定调制编码阶数的方法,其特征在于,所述方法执行于K个终端设备中的第一终端设备,所述方法包括:确定信道的信噪比SINR,其中,所述信道是基于第一时频资源的信道,所述信道用于所述第一终端设备与网络设备之间在第一时段传输下行数据,所述K个终端设备在所述第一时段复用所述第一时频资源与所述网络设备进行下行数据传输,K≥2;根据所述信道的SINR,确定信道质量指示CQI;向所述网络设备发送第一指示信息和第二指示信息,所述第一指示信息用于指示所述CQI,所述第二指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数,以便于所述网络设备根据所述终端设备的数量K、所述CQI和所述第一译码迭代次数,确定所述第一终端设备的调制编码阶数MCS。
- 根据权利要求25所述的方法,其特征在于,所述方法应用于稀疏码分多址通信系统,所述第一时频资源为包括至少两个资源单元RE的时频资源块。
- 一种确定调制编码阶数的装置,其特征在于,所述装置包括:数量确定单元,用于确定在第一时段复用第一时频资源与所述装置进行下行数据传输的终端设备的数量K,K≥2;CQI确定单元,用于获取信道质量指示CQI,所述CQI是根据信道的信噪比SINR和所述终端设备的数量K确定的,其中,所述信道是基于所述第一时频资源的信道,所述信道用于第一终端设备与所述装置之间在所述第一时段传输下行数据;MCS确定单元,用于根据所述CQI,确定所述第一终端设备的调制编码阶数MCS。
- 根据权利要求27所述的装置,其特征在于,所述CQI是根据所述信道的SINR、所述终端设备的数量K以及第一译码迭代次数确定的,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数。
- 根据权利要求27所述的装置,其特征在于,所述CQI是根据所述信道的SINR、所述终端设备的数量K、第一确认消息的数量和第一非确认消息的数量确定的,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述装置的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述装置的非确认消息。
- 根据权利要求27所述的装置,其特征在于,所述CQI是根据所述信道的SINR、所述终端设备的数量K、第一译码迭代次数、第一确认消息的数量和第一非确认消息的数量确定的,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述装置的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述装置的非确认消息。
- 根据权利要求27所述的装置,其特征在于,所述装置还包括:发送单元,用于向所述第一终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;接收单元,用于接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示所述CQI,所述CQI是所述第一终端设备根据所述信道的SINR和所述终端设备的数量K确定的;以及所述CQI确定单元具体用于根据所述第二指示信息,确定所述CQI。
- 根据权利要求27所述的装置,其特征在于,所述装置还包括:发送单元,用于向所述第一终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;接收单元,用于接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示所述CQI,所述CQI是所述第一终端设备根据所述信道的SINR、所述终端设备的数量K以及第一译码迭代次数确定的,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭 代次数;以及所述CQI确定单元具体用于根据所述第二指示信息,确定所述CQI。
- 根据权利要求27所述的装置,其特征在于,所述装置还包括:发送单元,用于向所述第一终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;接收单元,用于接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示所述CQI,所述CQI是所述第一终端设备根据所述信道的SINR、所述终端设备的数量K、第一确认消息的数量和第一非确认消息的数量确定的,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述装置的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述装置的非确认消息;以及所述CQI确定单元具体用于根据所述第二指示信息,确定所述CQI。
- 根据权利要求27所述的装置,其特征在于,所述装置还包括:发送单元,用于向所述第一终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;接收单元,用于接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示所述CQI,所述CQI是所述第一终端设备根据所述信道的SINR、所述终端设备的数量K、第一译码迭代次数、第一确认消息的数量和第一非确认消息的数量确定的,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述装置的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述装置的非确认消息;以及所述CQI确定单元具体用于根据所述第二指示信息,确定所述CQI。
- 根据权利要求27所述的装置,其特征在于,所述装置还包括:接收单元,用于接收所述第一终端设备发送的第三指示信息,所述第三指示信息用于指示所述第一终端设备反馈的CQI,所述第一终端设备反馈的CQI是所述第一终端设备根据所述信道的SINR确定的;以及所述CQI确定单元具体用于根据所述终端设备的数量K,对所述第一终端设备反馈的CQI进行处理,以确定所述CQI。
- 根据权利要求35所述的装置,其特征在于,所述接收单元还用于接收所述第一终端设备发送的第四指示信息,所述第四指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数;以及所述CQI确定单元具体用于根据所述终端设备的数量K和所述第一译码迭代次数,对所述第一终端设备反馈的CQI进行处理。
- 根据权利要求35所述的装置,其特征在于,所述CQI确定单元还用于确定第一确认消息的数量和第一非确认消息的数量,所述第一确认消息是针对所述下行数据的HARQ过程中所述第一终端设备发送给所述装置的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述装置的非确认消息,用于根据所述终端设备的数量K、所述第一确认消息的数量和所述第一非确认消息的数量,对所述第一终端设备反馈的CQI进行处理。
- 根据权利要求35所述的装置,其特征在于,所述接收单元还用于接收所述第一终端设备发送的第四指示信息,所述第四指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数;所述CQI确定单元还用于确定第一确认消息的数量和第一非确认消息的数量,所述第一确认消息是针对所述下行数据的HARQ过程中所述第一终端设备发送给所述装置的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述装置的非确认消息,用于根据所述终端设备的数量K、所述第一译码迭代次数、所述第一确认消息的数量和所述第一非确认消息的数量,对所述第一终端设备反馈的CQI进行处理。
- 根据权利要求27至38中任一项所述的装置,其特征在于,所述装置配置于稀疏码分多址通信系统,所述第一时频资源为包括至少两个资源单元RE的时频资源块。
- 根据权利要求27至39中任一项所述的装置,其特征在于,所述装置为网络设备。
- 一种确定调制编码阶数的装置,其特征在于,所述装置包括:数量确定单元,用于确定在第一时段复用第一时频资源与所述装置进行下行数据传输的终端设备的数量K,K≥2;接收单元,用于接收所述第一终端设备发送的第一指示信息,所述第一指示信息用于指示信道质量指示CQI,所述CQI是所述第一终端设备根据信道的SINR确定的,所述信道是基于所述第一时频资源的信道,所述信道用于第一终端设备与所述装置之间在所述第一时段传输下行数据;MSC确定单元,用于根据预设的映射关系信息,确定与所述终端设备的数量K的值和所述CQI的值相对应的调制编码阶数MCS,作为所述第一终端设备的MCS,其中,所述映射关系信息用于指示N个参数集合和N个MCS之间的一一映射关系,每个参数集合包括一个终端设备数量值和一个CQI值,N≥2。
- 根据权利要求41所述的装置,其特征在于,每个参数集合还包括一个译码迭代次数值;所述接收单元还用于接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数;以及所述MSC确定单元具体用于根据预设的映射关系信息,确定与所述终端设备的数量K的值、所述CQI的值和所述第一译码迭代次数值相对应的MCS。
- 根据权利要求41所述的装置,其特征在于,每个参数集合还包括一个确认消息的数量值和一个非确认消息的数量值;所述数量确定单元还用于确定第一确认消息的数量和第一非确认消息的数量,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述装置的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述装置的非确认消息,所述调整策略信息还包括所述第一确认消息的数量和所述第一非确认消息的数量;以及所述MSC确定单元具体用于根据预设的映射关系信息,确定与所述终端设备的数量K的值、所述CQI的值、所述第一确认消息的数量和所述第一非确认消息的数量相对应的MCS。
- 根据权利要求41所述的装置,其特征在于,每个参数集合还包括一个译码迭代次数值、一个确认消息的数量值和一个非确认消息的数量值;所述接收单元还用与接收所述第一终端设备发送的第二指示信息,所述 第二指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数;所述数量确定单元还用于确定第一确认消息的数量和第一非确认消息的数量,所述第一确认消息是针对所述下行数据的HARQ过程中所述第一终端设备发送给所述装置的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述装置的非确认消息,所述调整策略信息还包括所述第一确认消息的数量和所述第一非确认消息的数量;以及所述MSC确定单元具体用于根据预设的映射关系信息,确定与所述终端设备的数量K的值、所述CQI的值、所述第一译码迭代次数值、所述第一确认消息的数量和所述第一非确认消息的数量相对应的MCS。
- 根据权利要求41至44中任一项所述的装置,其特征在于,所述装置配置于稀疏码分多址通信系统,所述第一时频资源为包括至少两个资源单元RE的时频资源块。
- 根据权利要求41至45中任一项所述的装置,其特征在于,所述装置为网络设备。
- 根据权利要求41至46中任一项所述的装置,其特征在于,所述映射关系信息具体为记录有所述N个参数集合和所述N个MCS之间的一一映射关系的映射表项。
- 一种确定调制编码阶数的装置,其特征在于,所述装置属于K个终端设备,所述装置包括:确定单元,用于确定信道的信噪比SINR,其中,所述信道是基于第一时频资源的信道,所述信道用于所述装置与网络设备之间在第一时段传输下行数据,所述K个终端设备在所述第一时段复用所述第一时频资源与所述网络设备进行下行数据传输,K≥2;接收单元,用于接收所述网络设备发送的第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;所述确定单元还用与根据所述信道的信噪比SINR和所述终端设备的数量K,确定信道质量指示CQI;发送单元,用于向所述网络设备发送第二指示信息,所述第二指示信息用于指示所述CQI,以便于所述网络设备根据所述CQI,确定所述装置的调制编码阶数MCS。
- 根据权利要求48所述的装置,其特征在于,所述确定单元具体用于根据所述信道的SINR、所述终端设备的数量K以及第一译码迭代次数,确定CQI,所述第一译码迭代次数是所述装置对所述下行数据进行译码处理时的译码迭代次数。
- 根据权利要求48所述的装置,其特征在于,所述确定单元具体用于根据所述信道的SINR、所述终端设备的数量K、第一确认消息的数量和第一非确认消息的数量,确定CQI,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述装置发送给所述网络设备的确认消息,所述第一非确认消息是所述HARQ过程中所述装置发送给所述网络设备的非确认消息。
- 根据权利要求48所述的装置,其特征在于,所述确定单元具体用于根据所述信道的SINR、所述终端设备的数量K、第一译码迭代次数、第一确认消息的数量和第一非确认消息的数量,确定CQI,所述第一译码迭代次数是所述装置对所述下行数据进行译码处理时的译码迭代次数,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述装置发送给所述网络设备的确认消息,所述第一非确认消息是所述HARQ过程中所述装置发送给所述网络设备的非确认消息。
- 根据权利要求48至51中任一项所述的装置,其特征在于,所述装置配置于稀疏码分多址通信系统,所述第一时频资源为包括至少两个资源单元RE的时频资源块。
- 一种确定调制编码阶数的装置,其特征在于,所述装置属于K个终端设备,所述装置包括:确定单元,用于确定信道的信噪比SINR,其中,所述信道是基于第一时频资源的信道,所述信道用于所述装置与网络设备之间在第一时段传输下行数据,所述K个终端设备在所述第一时段复用所述第一时频资源与所述网络设备进行下行数据传输,K≥2,用于根据所述信道的SINR,确定信道质量指示CQI;发送单元,用于向所述网络设备发送第一指示信息和第二指示信息,所述第一指示信息用于指示所述CQI,所述第二指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述装置对所述下行数据进行译码处理时的译码迭代次数,以便于所述网络设备根据所述终端设备的数量K、所述 CQI和所述第一译码迭代次数,确定所述装置的调制编码阶数MCS。
- 根据权利要求53所述的装置,其特征在于,所述装置配置于稀疏码分多址通信系统,所述第一时频资源为包括至少两个资源单元RE的时频资源块。
- 一种确定调制编码阶数的设备,其特征在于,所述设备包括:总线;与所述总线相连的处理器;与所述总线相连的存储器;与所述总线相连的收发器;其中,所述处理器通过所述总线,调用所述存储器中存储的程序,以用于确定在第一时段复用第一时频资源与所述设备进行下行数据传输的终端设备的数量K,K≥2;用于获取信道质量指示CQI,所述CQI是根据信道的信噪比SINR和所述终端设备的数量K确定的,所述信道是基于所述第一时频资源的信道,所述信道用于第一终端设备与所述设备之间在所述第一时段传输下行数据;用于根据所述CQI,确定所述第一终端设备的调制编码阶数MCS。
- 根据权利要求55所述的设备,其特征在于,所述CQI是根据所述信道的SINR、所述终端设备的数量K以及第一译码迭代次数确定的,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数。
- 根据权利要求55所述的设备,其特征在于,所述CQI是根据所述信道的SINR、所述终端设备的数量K、第一确认消息的数量和第一非确认消息的数量确定的,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述设备的非确认消息。
- 根据权利要求55所述的设备,其特征在于,所述CQI是根据所述信道的SINR、所述终端设备的数量K、第一译码迭代次数、第一确认消息的数量和第一非确认消息的数量确定的,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设 备发送给所述设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述设备的非确认消息。
- 根据权利要求55所述的设备,其特征在于,所述处理器具体用于控制所述收发器向所述第一终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;控制所述收发器接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示所述CQI,所述CQI是所述第一终端设备根据所述信道的SINR和所述终端设备的数量K确定的。
- 根据权利要求55所述的设备,其特征在于,所述处理器具体用于控制所述收发器向所述第一终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;用于控制所述收发器接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示所述CQI,所述CQI是所述第一终端设备根据所述信道的SINR、所述终端设备的数量K以及第一译码迭代次数确定的,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数。
- 根据权利要求55所述的设备,其特征在于,所述处理器具体用于控制所述收发器向所述第一终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;控制所述收发器接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示所述CQI,所述CQI是所述第一终端设备根据所述信道的SINR、所述终端设备的数量K、第一确认消息的数量和第一非确认消息的数量确定的,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述设备的非确认消息。
- 根据权利要求55所述的设备,其特征在于,所述处理器具体用于控制所述收发器向所述第一终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;控制所述收发器接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示所述CQI,所述CQI是所述第一终端设备根据所述信道的 SINR、所述终端设备的数量K、第一译码迭代次数、第一确认消息的数量和第一非确认消息的数量确定的,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述设备的非确认消息。
- 根据权利要求55所述的设备,其特征在于,所述处理器具体用于控制所述收发器接收所述第一终端设备发送的第三指示信息,所述第三指示信息用于指示所述第一终端设备反馈的CQI,所述第一终端设备反馈的CQI是所述第一终端设备根据所述信道的SINR确定的;用于根据所述终端设备的数量K,对所述第一终端设备反馈的CQI进行处理,以确定所述CQI。
- 根据权利要求63所述的设备,其特征在于,所述处理器具体用于控制所述收发器接收所述第一终端设备发送的第四指示信息,所述第四指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数;以及用于根据所述终端设备的数量K和所述第一译码迭代次数,对所述第一终端设备反馈的CQI进行处理。
- 根据权利要求63所述的设备,其特征在于,所述处理器具体用于确定第一确认消息的数量和第一非确认消息的数量,所述第一确认消息是针对所述下行数据的HARQ过程中所述第一终端设备发送给所述设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述设备的非确认消息;用于根据所述终端设备的数量K、所述第一确认消息的数量和所述第一非确认消息的数量,对所述第一终端设备反馈的CQI进行处理。
- 根据权利要求63所述的设备,其特征在于,所述处理器具体用于控制所述收发器接收所述第一终端设备发送的第四指示信息,所述第四指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数;用于确定第一确认消息的数量和第一非确认消息的数量,所述第一确认消息是针对所述下行数据的HARQ过程中所述第一终端设备发送给所述设 备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述设备的非确认消息;用于根据所述终端设备的数量K、所述第一译码迭代次数、所述第一确认消息的数量和所述第一非确认消息的数量,对所述第一终端设备反馈的CQI进行处理。
- 根据权利要求55至66中任一项所述的设备,其特征在于,所述设备配置于稀疏码分多址通信系统,所述第一时频资源为包括至少两个资源单元RE的时频资源块。
- 根据权利要求55至67中任一项所述的设备,其特征在于,所述设备为网络设备。
- 一种确定调制编码阶数的设备,其特征在于,所述设备包括:总线;与所述总线相连的处理器;与所述总线相连的存储器;与所述总线相连的收发器;其中,所述处理器通过所述总线,调用所述存储器中存储的程序,以用于确定在第一时段复用第一时频资源与所述设备进行下行数据传输的终端设备的数量K,K≥2;用于控制所述收发器接收所述第一终端设备发送的第一指示信息,所述第一指示信息用于指示信道质量指示CQI,所述CQI是所述第一终端设备根据信道的SINR确定的,所述信道是基于所述第一时频资源的信道,所述信道用于第一终端设备与所述设备之间在所述第一时段传输下行数据;用于根据预设的映射关系信息,确定与所述终端设备的数量K的值和所述CQI的值相对应的调制编码阶数MCS,作为所述第一终端设备的MCS,其中,所述映射关系信息用于指示N个参数集合和N个MCS之间的一一映射关系,每个参数集合包括一个终端设备数量值和一个CQI值,N≥2。
- 根据权利要求69所述的设备,其特征在于,每个参数集合还包括一个译码迭代次数值;所述处理器还用于控制所述收发器接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次 数;用于根据预设的映射关系信息,确定与所述终端设备的数量K的值、所述CQI的值和所述第一译码迭代次数值相对应的MCS。
- 根据权利要求69所述的设备,其特征在于,每个参数集合还包括一个确认消息的数量值和一个非确认消息的数量值;所述处理器还用于确定第一确认消息的数量和第一非确认消息的数量,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述第一终端设备发送给所述设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述设备的非确认消息,所述调整策略信息还包括所述第一确认消息的数量和所述第一非确认消息的数量;以及用于根据预设的映射关系信息,确定与所述终端设备的数量K的值、所述CQI的值、所述第一确认消息的数量和所述第一非确认消息的数量相对应的MCS。
- 根据权利要求69所述的设备,其特征在于,每个参数集合还包括一个译码迭代次数值、一个确认消息的数量值和一个非确认消息的数量值;所述处理器还用于控制所述收发器接收所述第一终端设备发送的第二指示信息,所述第二指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述第一终端设备对所述下行数据进行译码处理时的译码迭代次数;用于确定第一确认消息的数量和第一非确认消息的数量,所述第一确认消息是针对所述下行数据的HARQ过程中所述第一终端设备发送给所述设备的确认消息,所述第一非确认消息是所述HARQ过程中所述第一终端设备发送给所述设备的非确认消息,所述调整策略信息还包括所述第一确认消息的数量和所述第一非确认消息的数量;用于根据预设的映射关系信息,确定与所述终端设备的数量K的值、所述CQI的值、所述第一译码迭代次数值、所述第一确认消息的数量和所述第一非确认消息的数量相对应的MCS。
- 根据权利要求69至72中任一项所述的设备,其特征在于,所述设备配置于稀疏码分多址通信系统,所述第一时频资源为包括至少两个资源单元RE的时频资源块。
- 根据权利要求69至73中任一项所述的设备,其特征在于,所述设 备为网络设备。
- 根据权利要求69至74中任一项所述的设备,其特征在于,所述映射关系信息具体为记录有所述N个参数集合和所述N个MCS之间的一一映射关系的映射表项。
- 一种确定调制编码阶数的设备,其特征在于,所述设备属于K个终端设备,所述设备包括:总线;与所述总线相连的处理器;与所述总线相连的存储器;与所述总线相连的收发器;其中,所述处理器通过所述总线,调用所述存储器中存储的程序,以用于确定信道的信噪比SINR,其中,所述信道是基于第一时频资源的信道,所述信道用于所述设备与网络设备之间在第一时段传输下行数据,所述K个终端设备在所述第一时段复用所述第一时频资源与所述网络设备进行下行数据传输,K≥2;用于控制所述收发器接收所述网络设备发送的第一指示信息,所述第一指示信息用于指示所述终端设备的数量K;用于根据所述信道的信噪比SINR和所述终端设备的数量K,确定信道质量指示CQI;用于控制所述收发器向所述网络设备发送第二指示信息,所述第二指示信息用于指示所述CQI,以便于所述网络设备根据所述CQI,确定所述设备的调制编码阶数MCS。
- 根据权利要求76所述的设备,其特征在于,所述处理器具体用于根据所述信道的SINR、所述终端设备的数量K以及第一译码迭代次数,确定CQI,所述第一译码迭代次数是所述设备对所述下行数据进行译码处理时的译码迭代次数。
- 根据权利要求76所述的设备,其特征在于,所述处理器具体用于根据所述信道的SINR、所述终端设备的数量K、第一确认消息的数量和第一非确认消息的数量,确定CQI,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述设备发送给所述网络设备的确认消息,所述第一非确认消息是所述HARQ过程中所述设备发送给所述网络设备的 非确认消息。
- 根据权利要求76所述的设备,其特征在于,所述处理器具体用于根据所述信道的SINR、所述终端设备的数量K、第一译码迭代次数、第一确认消息的数量和第一非确认消息的数量,确定CQI,所述第一译码迭代次数是所述设备对所述下行数据进行译码处理时的译码迭代次数,所述第一确认消息是针对所述下行数据的混合自动重传请求HARQ过程中所述设备发送给所述网络设备的确认消息,所述第一非确认消息是所述HARQ过程中所述设备发送给所述网络设备的非确认消息。
- 根据权利要求76至79中任一项所述的设备,其特征在于,所述设备属于稀疏码分多址通信系统,所述第一时频资源为包括至少两个资源单元RE的时频资源块。
- 一种确定调制编码阶数的设备,其特征在于,所述设备执行于K个终端设备,所述设备包括:总线;与所述总线相连的处理器;与所述总线相连的存储器;与所述总线相连的收发器;其中,所述处理器通过所述总线,调用所述存储器中存储的程序,以用于确定信道的信噪比SINR,其中,所述信道是基于第一时频资源的信道,所述信道用于所述设备与网络设备之间在第一时段传输下行数据,所述K个终端设备在所述第一时段复用所述第一时频资源与所述网络设备进行下行数据传输,K≥2;用于根据所述信道的SINR,确定信道质量指示CQI;用于控制收发器向所述网络设备发送第一指示信息和第二指示信息,所述第一指示信息用于指示所述CQI,所述第二指示信息用于指示第一译码迭代次数,所述第一译码迭代次数是所述设备对所述下行数据进行译码处理时的译码迭代次数,以便于所述网络设备根据所述终端设备的数量K、所述CQI和所述第一译码迭代次数,确定所述设备的调制编码阶数MCS。
- 根据权利要求81所述的设备,其特征在于,所述设备属于稀疏码分多址通信系统,所述第一时频资源为包括至少两个资源单元RE的时频资源块。
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110740462A (zh) * | 2018-07-18 | 2020-01-31 | 中国移动通信有限公司研究院 | 异常直放站下终端识别方法、装置和计算机可读存储介质 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107295673A (zh) * | 2016-04-01 | 2017-10-24 | 索尼公司 | 无线通信系统中的电子设备和通信方法 |
CN110535544B (zh) * | 2018-05-23 | 2023-05-23 | 国网江苏省电力有限公司信息通信分公司 | 一种电力无线专网频谱质量评估方法及系统 |
WO2020242898A1 (en) | 2019-05-26 | 2020-12-03 | Genghiscomm Holdings, LLC | Non-orthogonal multiple access |
CN117014956A (zh) * | 2022-04-28 | 2023-11-07 | 华为技术有限公司 | 一种信号传输方法及装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101247163A (zh) * | 2007-02-15 | 2008-08-20 | 大唐移动通信设备有限公司 | 获取cqi的方法和装置及sinr映射到cqi的方法 |
CN102196495A (zh) * | 2010-03-03 | 2011-09-21 | 电信科学技术研究院 | 下行数据传输方法、系统和设备 |
CN102769485A (zh) * | 2011-05-05 | 2012-11-07 | 中兴通讯股份有限公司 | 一种基带处理方法及系统 |
CN103051430A (zh) * | 2011-10-17 | 2013-04-17 | 中兴通讯股份有限公司 | 一种调整调制编码方案的方法及基站 |
CN103475455A (zh) * | 2012-06-08 | 2013-12-25 | 中兴通讯股份有限公司 | Mcs等级获取方法及装置 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1148913C (zh) | 2001-05-10 | 2004-05-05 | 华为技术有限公司 | 一种自适应调节迭代次数的h-arq接收方法 |
CN101359915A (zh) * | 2002-06-28 | 2009-02-04 | 美商内数位科技公司 | 使用涡轮解码停止规则的快速h-arq认知产生方法 |
CN100492946C (zh) | 2003-06-27 | 2009-05-27 | 上海贝尔阿尔卡特股份有限公司 | 一种自适应正交频分复用(ofdm)系统中的反馈信息传输方法 |
US7492722B2 (en) * | 2004-11-04 | 2009-02-17 | Interdigital Technology Corporation | Wireless communication method and apparatus for adaptively biasing channel quality indicators to maintain a desired block error rate |
CN101141157B (zh) * | 2006-09-08 | 2011-07-06 | 华为技术有限公司 | 上行功率控制方法及网络侧设备 |
BRPI0719540A2 (pt) * | 2006-10-02 | 2014-01-14 | Lg Electronics Inc | Método de retransmissão para sistema multiportadora |
US8073069B2 (en) * | 2007-01-05 | 2011-12-06 | Apple Inc. | Multi-user MIMO-SDMA for finite rate feedback systems |
KR101056614B1 (ko) * | 2008-07-30 | 2011-08-11 | 엘지전자 주식회사 | 다중안테나 시스템에서 데이터 전송방법 |
EP2166804A1 (en) * | 2008-09-17 | 2010-03-24 | Panasonic Corporation | Deactivation of semi-persistent resource allocations in a mobile communication network |
US8675693B2 (en) * | 2009-04-27 | 2014-03-18 | Qualcomm Incorporated | Iterative decoding with configurable number of iterations |
CN101572948B (zh) * | 2009-06-09 | 2011-05-04 | 华为技术有限公司 | 无线通信系统中上行调度方法、基站及无线通信系统 |
KR101706943B1 (ko) | 2010-02-23 | 2017-02-15 | 엘지전자 주식회사 | 채널품질정보 전송방법 및 사용자기기와, 다중사용자 데이터 전송방법 및 기지국 |
US20120069833A1 (en) * | 2010-09-16 | 2012-03-22 | Molnar Karl J | Channel state information reporting for a successively decoded, precoded multi-antenna transmission |
CN102868496B (zh) * | 2011-07-05 | 2017-05-10 | 中兴通讯股份有限公司 | 空分复用后链路自适应调整方法及装置 |
CN103999039B (zh) | 2011-10-27 | 2018-08-10 | 英特尔公司 | 具有带有复数指数非线性函数的指令集的数字处理器 |
CN103139120B (zh) | 2011-11-30 | 2016-01-27 | 鼎桥通信技术有限公司 | 数字预失真处理方法和装置 |
US9713189B2 (en) * | 2012-11-07 | 2017-07-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Multiple outer loop link adaptation |
CN103023568B (zh) | 2012-12-17 | 2017-09-19 | 华为技术有限公司 | 线卡、光模块及光网络设备 |
US9060365B2 (en) * | 2013-03-12 | 2015-06-16 | Qualcomm Incorporated | Method and apparatus for sharing decoding time across transport blocks |
KR102088529B1 (ko) * | 2013-11-06 | 2020-03-12 | 삼성전자주식회사 | 통신 시스템에서 빔 훈련 방법 및 장치 |
CN106416407B (zh) * | 2014-04-30 | 2019-09-03 | 意大利电信股份公司 | 为蜂窝网络中上行链路传输分配无线电资源的方法和系统 |
-
2014
- 2014-11-21 WO PCT/CN2014/091901 patent/WO2016078083A1/zh active Application Filing
- 2014-11-21 CN CN201480083479.8A patent/CN106922206B/zh active Active
- 2014-11-21 RU RU2017121584A patent/RU2671954C1/ru active
- 2014-11-21 EP EP14906541.9A patent/EP3223438B1/en active Active
- 2014-11-21 JP JP2017527577A patent/JP6522757B2/ja active Active
- 2014-11-21 KR KR1020177016817A patent/KR20170085124A/ko not_active Application Discontinuation
-
2017
- 2017-05-19 US US15/600,525 patent/US10461904B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101247163A (zh) * | 2007-02-15 | 2008-08-20 | 大唐移动通信设备有限公司 | 获取cqi的方法和装置及sinr映射到cqi的方法 |
CN102196495A (zh) * | 2010-03-03 | 2011-09-21 | 电信科学技术研究院 | 下行数据传输方法、系统和设备 |
CN102769485A (zh) * | 2011-05-05 | 2012-11-07 | 中兴通讯股份有限公司 | 一种基带处理方法及系统 |
CN103051430A (zh) * | 2011-10-17 | 2013-04-17 | 中兴通讯股份有限公司 | 一种调整调制编码方案的方法及基站 |
CN103475455A (zh) * | 2012-06-08 | 2013-12-25 | 中兴通讯股份有限公司 | Mcs等级获取方法及装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3223438A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110740462A (zh) * | 2018-07-18 | 2020-01-31 | 中国移动通信有限公司研究院 | 异常直放站下终端识别方法、装置和计算机可读存储介质 |
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RU2671954C1 (ru) | 2018-11-08 |
JP2018501704A (ja) | 2018-01-18 |
US20170257204A1 (en) | 2017-09-07 |
US10461904B2 (en) | 2019-10-29 |
EP3223438B1 (en) | 2020-03-25 |
CN106922206A (zh) | 2017-07-04 |
EP3223438A4 (en) | 2017-11-22 |
CN106922206B (zh) | 2021-08-31 |
KR20170085124A (ko) | 2017-07-21 |
JP6522757B2 (ja) | 2019-05-29 |
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