WO2020133129A1 - 一种信息传输的方法及装置 - Google Patents

一种信息传输的方法及装置 Download PDF

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Publication number
WO2020133129A1
WO2020133129A1 PCT/CN2018/124591 CN2018124591W WO2020133129A1 WO 2020133129 A1 WO2020133129 A1 WO 2020133129A1 CN 2018124591 W CN2018124591 W CN 2018124591W WO 2020133129 A1 WO2020133129 A1 WO 2020133129A1
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WIPO (PCT)
Prior art keywords
terminal
resource
moment
rru
instruction
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PCT/CN2018/124591
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English (en)
French (fr)
Inventor
王小鹏
张晓天
董伟
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华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2018/124591 priority Critical patent/WO2020133129A1/zh
Priority to CN201880095515.0A priority patent/CN112385166B/zh
Publication of WO2020133129A1 publication Critical patent/WO2020133129A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling

Definitions

  • This application relates to the field of information technology, and in particular to a method and device for information transmission.
  • RRU remote radio module
  • first network layer which may be a physical layer
  • second network layer may be a medium Access control (media access control, MAC) sublayer
  • the data link layer contains two sublayers: logical link control (LLC) and MAC.
  • LLC logical link control
  • MAC MAC
  • the MAC sublayer, physical layer, and RRU may exist on one physical device or may be distributed on different physical devices.
  • most multi-RRU cells are based on a loosely coupled architecture. Base stations and base stations in the loosely coupled architecture are connected through the network, and signals may need to be transferred from one base station to another base station.
  • signals are sent directly from one base station to another, so a loosely coupled architecture has a larger transmission delay than a tightly coupled architecture.
  • the MAC sublayer allocates the first resource to the newly transmitted data at the first moment.
  • the first moment identifies the corresponding moment for the target hybrid automatic repeat request (HARQ).
  • the MAC sublayer sends first allocation information to the physical layer, where the first allocation information is used to indicate the location of the first resource.
  • the physical layer After receiving the first allocation information, the physical layer sends a new data transmission instruction to the corresponding RRU, and the RRU sends the new data transmission instruction to the first terminal.
  • the first terminal After receiving the newly transmitted data instruction, the first terminal sends the newly transmitted data to the RRU through the first resource.
  • the RRU sends the newly transmitted data to the physical layer, and then the physical layer performs cyclic redundancy check (CRC) according to the newly transmitted data and obtains the CRC result.
  • CRC cyclic redundancy check
  • the process of sending a new transmission command from the physical layer to receiving the new transmission data and then reporting the CRC result to the MAC sublayer will take some time.
  • the MAC sublayer will suspend the HARQ process.
  • the second moment corresponds to the same HARQ process as the first moment. In this way, the MAC sublayer must wait until the CRC result is received before allocating resources and then sending the instruction information.
  • the HARQ process is suspended, which is a serious waste of the HARQ process.
  • the first aspect of the embodiments of the present application provides an information transmission method.
  • the method may include: the first network layer receives first allocation information from the second network layer, and the first allocation information is used to indicate the second The location of the first resource allocated by the network layer to the first terminal at the first moment, the first moment corresponds to the target hybrid automatic repeat request HARQ identifier; the first network layer receives indication information from the second network layer, and the indication information is used to indicate Whether the first resource is allocated to the second terminal at the second time, the second time corresponds to the target HARQ identifier, the second time is different from the first time, and the second terminal is any one different from the first terminal terminal.
  • the first network layer may be a physical layer or other network layers that can receive the first distribution information.
  • the second network layer may be a MAC sublayer or other network layers that can send the first allocation information. In this method, the second network layer can send indication information to the first network layer at the second moment without receiving the CRC result, and the utilization rate for the HARQ process is relatively high.
  • the first network layer is a physical layer
  • the second network layer is a medium access control MAC sublayer
  • the physical layer may further include : The physical layer determines the first remote radio module RRU and the second RRU.
  • the uplink signal strength value of the first RRU is greater than or equal to the preset threshold, and the uplink signal strength value of the second RRU is less than the preset threshold.
  • the RRU corresponding to the physical layer in a physical cell is divided into a first RRU and a second RRU according to the uplink data signal strength, which can ensure that the receiving efficiency of the physical layer corresponding to the first RRU is the most Yes, and the CRC result obtained based on the data received by the first RRU has the highest accuracy.
  • the physical layer receives newly transmitted data from the first RRU and obtains cyclic redundancy according to the newly transmitted data After checking the CRC result, it may further include: when the physical layer determines that the CRC result is incorrect, and the first resource is not allocated to the second terminal at the second moment, the physical layer sends a non-adaptive retransmission instruction to the first RRU and The interference sequence, the non-adaptive retransmission instruction is used to instruct the first terminal to send retransmission data to the first RRU through the first resource, and the interference sequence is used to interfere with the new transmission instruction and make the first terminal unable to receive the new transmission instruction.
  • the physical layer sends two instructions, a non-adaptive retransmission instruction and an interference sequence, to the first terminal through the first RRU to ensure that when the CRC result is incorrect and the first resource is
  • the interference sequence can completely interfere with the new transmission instruction sent by the second RRU to the first terminal, the only instruction that the first terminal can receive is the non-adaptive retransmission instruction.
  • the physical layer receives newly transmitted data from the first RRU and obtains cyclic redundancy according to the newly transmitted data After checking the CRC result, it may further include: when the physical layer determines that the CRC result is incorrect and the first resource is allocated to the second terminal at the second moment, the physical layer sends a suspend command and an interference sequence to the first RRU, suspends The start instruction is used to instruct the first terminal not to send data, and the interference sequence is used to interfere with the new transmission instruction and make the first terminal unable to receive the new transmission instruction.
  • the physical layer sends two commands, a suspend command and an interference sequence, to the first terminal through the first RRU to ensure that when the CRC result is incorrect and the first resource is at the second moment When being assigned to the second terminal, since the interference sequence can completely interfere with the new transmission instruction sent by the second RRU to the first terminal, the only instruction that the first terminal can receive is the suspend instruction.
  • the physical layer may further include : When the physical layer determines that the first resource is not allocated to the second terminal at the second moment, the physical layer sends a non-adaptive retransmission instruction and a new transmission instruction to the second RRU.
  • the non-adaptive retransmission instruction is used to indicate the first
  • the terminal sends retransmission data to the second RRU through the first resource.
  • the new transmission instruction is used to instruct the first terminal to send new transmission data to the second RRU through the second resource, and the location of the second resource is indicated by the indication information.
  • the physical layer sends two instructions of non-adaptive retransmission and new transmission instructions to the first terminal through the second RRU to ensure that when the CRC result is incorrect and the first resource is
  • the second time is not allocated to the second terminal, since the new transmission instruction is completely interfered by the interference sequence sent by the first RRU to the first terminal, the only instruction that the first terminal can receive is the non-adaptive retransmission instruction.
  • the physical layer may further include : When the physical layer determines that the first resource is allocated to the second terminal at the second moment, the physical layer sends a suspend instruction and a new transmission instruction to the second RRU.
  • the suspend instruction is used to instruct the first terminal not to send to the second RRU
  • the new transmission instruction is used to instruct the first terminal to send new transmission data to the second RRU through the second resource, and the location of the second resource is indicated by the indication information.
  • the physical layer sends two commands, a suspend command and a new transfer command, to the first terminal through the second RRU to ensure that when the CRC result is incorrect, and the first resource is in the second
  • the suspend instruction since the new transmission instruction is completely interfered by the interference sequence sent by the first RRU to the first terminal, the only instruction that the first terminal can receive is the suspend instruction.
  • the physical layer receives newly transmitted data from the first RRU and obtains cyclic redundancy according to the newly transmitted data After checking the CRC result, it may further include: when the physical layer determines that the CRC result is correct, the physical layer sends a new transmission instruction to the first RRU, and the new transmission instruction is used to instruct the first terminal to send a new transmission to the first RRU through the second resource Data, the location of the second resource is indicated by the indication information.
  • the physical layer sends a new transmission instruction to the first terminal through the first RRU.
  • the first terminal receives the new transmission instruction sent by the first RRU and the new transmission instruction sent by the second RRU and the non-adaptive retransmission Pass instructions. At this time, the first RRU transmits data in the new transmission mode according to the new transmission instruction according to its own internal judgment mechanism, and ignores the non-adaptive retransmission instruction; when the CRC result is correct, and the first resource is allocated to the second In a terminal, the first terminal receives the new transmission instruction sent by the first RRU and the new transmission instruction and suspend instruction sent by the second RRU. At this time, the first RRU transmits data in the new transmission mode according to the new transmission instruction, and ignores the suspend instruction.
  • the physical layer after the physical layer receives the indication information from the MAC sublayer of the medium access control, it may further include: When the physical layer determines that the first resource is not allocated to the second terminal at the second moment, the physical layer sends a non-adaptive retransmission instruction to the remote radio frequency module RRU. The non-adaptive retransmission instruction is used by the first terminal to pass the first resource Send retransmission data.
  • the MAC sublayer does not allocate resources to the first terminal at the second moment, so new transmission cannot be performed here, and the physical layer sends non-adaptive to the first terminal through RRU Retransmit command to retransmit.
  • the physical layer after the physical layer receives the indication information from the MAC sublayer of the medium access control, it may further include: When the physical layer determines that the first resource is allocated to the second terminal at the second moment, the physical layer sends a suspend instruction to the remote radio frequency module RRU. The suspend instruction is used to instruct the first terminal not to send data to the RRU.
  • the MAC sublayer does not allocate resources to the first terminal at the second moment, so new transmission cannot be performed here, and the physical layer sends a suspend command to the first terminal through RRU .
  • the tenth possible implementation manner of the first aspect may further include :
  • the physical layer receives the second allocation information sent by the MAC sublayer.
  • the second allocation information is used to indicate the location of the third resource allocated by the MAC sublayer to the first terminal at the third moment, which corresponds to the target HARQ identifier at the third moment, and The third moment is different from the first moment and the second moment;
  • the physical layer sends an adaptive retransmission instruction to the first terminal according to the second allocation information, and the adaptive retransmission instruction is used to instruct the first terminal to pass the third
  • the resources are sent to the physical layer to retransmit the data.
  • since the first terminal receives the suspend instruction in this case, the data that the first terminal needs to retransmit is retransmitted through the resources allocated by the MAC sublayer at the third moment pass.
  • a second aspect of an embodiment of the present application provides an information transmission method.
  • the method may include: the second network layer sends first allocation information to the first network layer, and the first allocation information is used to indicate that the second network layer is in the first
  • the time is the location of the first resource allocated by the first terminal, the first time corresponds to the target hybrid automatic repeat request HARQ identifier; the second network layer sends indication information to the first network layer at the second time, and the second time corresponds to the target HARQ
  • the identifier corresponds to, and the first time and the second time are different times.
  • the indication information is used to indicate whether the first resource is allocated to the second terminal at the second time, and the second terminal is any terminal different from the first terminal.
  • the second network layer can send indication information to the first network layer at the second moment without receiving the CRC result, and the utilization rate for the HARQ process is relatively high.
  • the first network layer is a physical layer
  • the second network layer is a MAC sublayer
  • the indication information is also used to indicate the second resource allocated to the first terminal at the second moment s position.
  • the MAC sublayer after the MAC sublayer sends the first allocation information to the physical layer, it may also Including: the MAC sublayer receives the cyclic redundancy check CRC result sent by the physical layer; if the MAC sublayer determines that the CRC result is incorrect and the first resource is allocated to the second terminal at the second moment, the MAC sublayer at the third moment Assign a third resource to the first terminal, the third time corresponds to the target HARQ identifier, and the third time is different from the first time and the second time; the MAC sublayer sends the second allocation information to the physical layer, the first The second allocation information is used to indicate the location of the third resource allocated by the MAC sublayer to the first terminal at the third moment.
  • the MAC layer according to the CRC result is incorrect and the first resource is allocated to the second terminal at the second moment, it can be determined that the first terminal still needs to be retransmitted Data, so the third terminal is allocated the third resource at the third moment.
  • the MAC sublayer before the MAC sublayer sends the first allocation information to the physical layer, it may also The method includes: the MAC sublayer receives an upload demand instruction sent by the physical layer, and the upload demand instruction is used to instruct the first terminal to upload data; the MAC sublayer allocates the first resource to the first terminal according to the upload demand instruction at the first moment.
  • the MAC sublayer also receives an upload demand instruction before sending the first allocation information to the first terminal, where the upload demand instruction is used to indicate that the first terminal has data to upload, And contains the size of the data volume.
  • the upload demand instruction may instruct the MAC sublayer to allocate resources for the first terminal to upload data.
  • a third aspect of an embodiment of the present application provides a first device for information transmission.
  • the first device may include: a receiving unit configured to receive first allocation information from a second device, and the first allocation information is used to indicate the second The location of the first resource allocated by the device to the first terminal at the first moment, which corresponds to the target hybrid automatic repeat request HARQ identifier at the first moment; the receiving unit is also used to receive indication information from the second device, and the indication information is used to indicate Whether the first resource is allocated to the second terminal at the second time, the second time corresponds to the target HARQ identifier, the second time is different from the first time, and the second terminal is any one different from the first terminal terminal.
  • the second device can send instruction information to the first device at the second moment without receiving the CRC result, and the utilization rate for the HARQ process is relatively high.
  • the first device may further include: a determining unit, configured to determine a first remote radio frequency module RRU and a second RRU, and The uplink signal strength value of one RRU is greater than or equal to the preset threshold, and the uplink signal strength value of the second RRU is less than the preset threshold; the receiving unit is also used to receive new transmission data from the first RRU; The newly transmitted data received by the unit obtains the cyclic redundancy check CRC result.
  • a determining unit configured to determine a first remote radio frequency module RRU and a second RRU, and The uplink signal strength value of one RRU is greater than or equal to the preset threshold, and the uplink signal strength value of the second RRU is less than the preset threshold
  • the receiving unit is also used to receive new transmission data from the first RRU;
  • the newly transmitted data received by the unit obtains the cyclic redundancy check CRC result.
  • the first device may further include: a determining unit, which is also used to determine that the CRC result is incorrect , And the first resource is not allocated to the second terminal at the second moment; the sending unit is used to determine that the CRC result is incorrect, and the first resource is not allocated to the second terminal at the second moment.
  • the RRU sends a non-adaptive retransmission instruction and an interference sequence.
  • the non-adaptive retransmission instruction is used to instruct the first terminal to send retransmission data to the first RRU through the first resource.
  • the interference sequence is used to interfere with the new transmission instruction and cause the first terminal Unable to receive new transmission order.
  • the first device may further include: a determining unit, which is also used to determine that the CRC result is incorrect , And the first resource is allocated to the second terminal at the second time; the sending unit is used to determine that the CRC result is incorrect, and the first resource is sent to the first RRU when the first resource is allocated to the second terminal at the second time
  • a suspend instruction and an interference sequence are used to instruct the first terminal not to send data, and the interference sequence is used to interfere with the new transmission instruction and prevent the first terminal from receiving the new transmission instruction.
  • the first device may further include: a determining unit, further configured to determine that the first resource is The second moment is not allocated to the second terminal; the sending unit is used to determine that the first resource is not allocated to the second terminal at the second moment, and sends a non-adaptive retransmission instruction and a new transmission instruction to the second RRU ,
  • the non-adaptive retransmission instruction is used to instruct the first terminal to send retransmission data to the second RRU through the first resource
  • the new transmission instruction is used to instruct the first terminal to send new transmission data to the second RRU through the second resource.
  • the location of the resource is indicated by instructions.
  • the first device may further include: a determining unit, further configured to determine that the first resource is The second moment is allocated to the second terminal; the sending unit is used to determine that the first resource is allocated to the second terminal at the second moment, and sends a suspend instruction and a new transmission instruction to the second RRU.
  • the new transmission instruction is used to instruct the first terminal to send new transmission data to the second RRU through the second resource, and the location of the second resource is indicated by the indication information.
  • the first device may further include: a determination unit, which is also used to determine that the CRC result is correct;
  • the sending unit is used to determine that the unit determines that the CRC result is correct, and sends a new transmission instruction to the first RRU.
  • the new transmission instruction is used to instruct the first terminal to send new transmission data to the first RRU through the second resource, and the position of the second resource passes Indication instructions.
  • the first device may further include: a determining unit, configured to determine that the first resource is not allocated to the second resource at the second moment Terminal; sending unit, used for the determining unit to determine that the first resource is not allocated to the second terminal at the second moment, and sends a non-adaptive retransmission instruction to the remote radio frequency module RRU.
  • the non-adaptive retransmission instruction is used for the first The terminal sends the retransmission data through the first resource.
  • the first device may further include: a determining unit, further configured to determine that the first resource is The second time is allocated to the second terminal; the sending unit is used to send a suspend command to the remote radio frequency module RRU when the first resource is determined to be allocated to the second terminal at the second time according to the determining unit, and the suspend command is used to indicate The first terminal does not send data to the RRU.
  • a determining unit further configured to determine that the first resource is The second time is allocated to the second terminal
  • the sending unit is used to send a suspend command to the remote radio frequency module RRU when the first resource is determined to be allocated to the second terminal at the second time according to the determining unit, and the suspend command is used to indicate The first terminal does not send data to the RRU.
  • the first device may further include: a receiving unit, which is further configured to receive the second Second allocation information sent by the device.
  • the second allocation information is used to indicate the location of the third resource allocated by the second device to the first terminal at the third time.
  • the third time corresponds to the target HARQ identifier, and the third time corresponds to the first The time and the second time are different from each other;
  • the sending unit is also used to send an adaptive retransmission instruction to the first terminal according to the second allocation information, and the adaptive retransmission instruction is used to instruct the first terminal to send through the third resource Retransmit data to the first device.
  • a fourth aspect of an embodiment of the present application provides a second device for information transmission.
  • the second device may include: a sending unit, configured to send first allocation information to the first device, and the first allocation information is used to instruct the second device The location of the first resource allocated to the first terminal at the first moment, the first moment corresponds to the target hybrid automatic repeat request HARQ identifier; the sending unit is also used to send the indication information to the first device at the second moment, the second The time corresponds to the target HARQ identifier, and the first time and the second time are different times.
  • the indication information is used to indicate whether the first resource is allocated to the second terminal at the second time.
  • the second terminal is different from the first terminal Any terminal.
  • the second device can send instruction information to the first device at the second moment without receiving the CRC result, and the utilization rate for the HARQ process is relatively high.
  • the second device may further include: a processing unit, configured to allocate a second resource to the first terminal at the second moment, indicating The information is also used to indicate the location of the second resource allocated to the first terminal at the second moment.
  • the second device may further include: a receiving unit, configured to receive the first Cyclic Redundancy Check CRC result sent by a device; determination unit, used to determine that the CRC result received by the receiving unit is incorrect and the first resource is allocated to the second terminal at the second moment; processing unit, also used to determine the unit When it is determined that the CRC result is incorrect and the first resource is allocated to the second terminal at the second moment, the third resource is allocated to the first terminal at the third moment, the third moment corresponds to the target HARQ identifier, and the third moment corresponds to the first The time and the second time are different from each other; the sending unit is also used to send second allocation information to the first device, and the second allocation information is used to instruct the second device to allocate the third to the first terminal at the third time The location of the resource.
  • a receiving unit configured to receive the first Cyclic Redundancy Check CRC result sent by a device
  • determination unit used to determine that the CRC result received by the receiving unit is incorrect and the first resource is allocated to the second terminal at the
  • the second device may further include: a receiving unit, configured to receive the first An upload demand instruction sent by a device, the upload demand instruction is used to instruct the first terminal to upload data; the processing unit is also used to allocate the first resource to the first terminal according to the upload demand instruction at the first moment.
  • a fifth aspect of an embodiment of the present application provides an information transmission device, including: a memory for storing a computer program; a processor for executing the computer program stored in the memory, so that the device executes the above first Aspect and the information transmission method of any possible implementation manner of the first aspect.
  • a sixth aspect of an embodiment of the present application provides an information transmission device, including: a memory for storing a computer program; a processor for executing the computer program stored in the memory, so that the device executes the above second
  • the information transmission method of any possible implementation manner of the aspect and the second aspect is not limited to: a memory for storing a computer program; a processor for executing the computer program stored in the memory, so that the device executes the above second
  • a seventh aspect of the embodiments of the present application provides a computer-readable storage medium, including a computer program, which when run on a computer, causes the computer to execute the first aspect and any possible implementation manner of the first aspect Information transmission method.
  • An eighth aspect of an embodiment of the present application provides a computer-readable storage medium, including a computer program, which, when run on a computer, causes the computer to execute any possible implementation manner of the above second aspect and the first and second aspects Method of information transmission.
  • Embodiments of the present application provide an information transmission method, device, and equipment.
  • the method may include: the second network layer sends first allocation information to the first network layer, and the first allocation information is used to indicate that the second network layer is in The first moment is the location of the first resource allocated by the first terminal, the first moment corresponds to the target HARQ identifier; the first network layer receives the first allocation information from the second network layer; the second network layer sends the first resource to the first at the second moment The network layer sends instruction information, the second time corresponds to the target HARQ identifier, and the first time and the second time are different times.
  • the instruction information is used to indicate whether the first resource is not allocated to the second terminal at the second time ;
  • the first network layer receives the instruction information from the second network layer; this method the second network layer can send the instruction information to the first network layer at the second moment without receiving the CRC result, for the use of HARQ process
  • the rate is relatively high.
  • FIG. 1 is an embodiment of an information transmission method provided by an embodiment of the present application
  • FIG. 3 is another embodiment of an information transmission method provided by an embodiment of this application.
  • FIG. 5 is another embodiment of an information transmission method provided by an embodiment of this application.
  • FIG. 10 is an embodiment of a second device for information transmission provided by an embodiment of the present application.
  • the "new transmission” mentioned in this application may also be referred to as “initial transmission”, which is intended to indicate the first transmission of data, and is not limited to the way described.
  • the "first network layer” and “second network layer” mentioned in this application are not meant to have a specific order, and may have other titles, and are not limited to the described manner.
  • one processing method in the process of data uplink is that the MAC sublayer only allocates new transmission data resources, and does not allocate retransmission resources.
  • the upper layer finds that the newly transmitted data is wrong, the upper layer retransmits to correct the error.
  • This method does not pass through the MAC sublayer during retransmission, so the MAC sublayer cannot compare the newly transmitted data with the retransmitted data to obtain the combined gain of retransmission.
  • the high layer retransmission requires the MAC sublayer to receive the new transmission data sent by the physical layer and then send the new transmission data to the higher layer, and then the upper layer judges whether the new transmission data is wrong.
  • the newly transmitted data needs to pass through the physical layer and then be transmitted to the upper layer through the MAC sublayer.
  • the upper layer judges whether the data is wrong, and sends the retransmitted data from the physical layer to the upper layer if there is an error. This process has more transmission times and consumes longer time, which has a greater impact on the user's actual experience rate.
  • the MAC sublayer allocates the first resource to the newly transmitted data at the first moment, and the first moment is the moment corresponding to the target HARQ identifier.
  • the MAC sublayer sends first allocation information to the physical layer, where the first allocation information is used to indicate the location of the first resource.
  • the physical layer After receiving the first allocation information, the physical layer sends a new data transmission instruction to the corresponding RRU, and the RRU sends the new data transmission instruction to the first terminal.
  • the first terminal After receiving the newly transmitted data instruction, the first terminal sends the newly transmitted data to the RRU through the first resource.
  • the RRU sends the newly transmitted data to the physical layer, and then the physical layer performs CRC check based on the newly transmitted data and obtains the CRC result.
  • the physical layer reports the CRC result to the MAC sublayer.
  • HARQ processes appear cyclically, for example, a process cycle contains 8 HARQ processes, the first HARQ process, the second HARQ process, and the eighth HARQ process. As time progresses, after the eighth HARQ process ends, the first HARQ process appears again. Specifically, if the first moment corresponds to the first HARQ process in the first process cycle, then the second moment corresponds to the first HARQ process in the adjacent second process cycle after the first process cycle .
  • the MAC sublayer At the second moment, before the MAC sublayer receives the CRC result, it will suspend the first HARQ process in the second process cycle. In this way, the MAC sublayer must wait until the CRC result is received before allocating resources and then sending the instruction information. When the CRC result is not received, the HARQ process is suspended, which is a serious waste of the HARQ process.
  • embodiments of the present application provide a method for information transmission, as shown in FIG. 1, the method may include:
  • the second network layer sends first allocation information to the first network layer, where the first allocation information is used to indicate the location of the first resource allocated to the first terminal by the second network layer at the first moment, and the target HARQ identifier at the first moment correspond.
  • the second network layer and the first network layer may exist on one physical device, or may be distributed on different physical devices, which is not limited here.
  • the first network layer may be a physical layer, or may be another network layer that can receive the first distribution information, which is not limited here.
  • the second network layer may be a MAC sublayer, or may be other network layers that can send the first allocation information, which is not limited here.
  • the first network layer receives the first allocation information sent by the second network layer.
  • the second network layer sends instruction information to the first network layer at the second moment, the second moment corresponds to the target HARQ identifier, and the first moment and the second moment are different moments.
  • HARQ processes appear cyclically, for example, a process cycle may contain 8 HARQ processes, the first HARQ process, the second HARQ process...the eighth HARQ process.
  • the first HARQ process in the second process cycle appears again. Specifically, if the first moment corresponds to the first HARQ process in the first process cycle, then the second moment corresponds to the first HARQ process in the adjacent second process cycle after the first process cycle .
  • the indication information is used to indicate whether the first resource is allocated to the second terminal at the second moment, and the second terminal is any terminal different from the first terminal.
  • the first network layer may be a physical layer or other network layers that can receive indication information, and no limitation is made here.
  • the second network layer may be a MAC sublayer or other network layers that can send indication information, and no limitation is made here.
  • the first network layer receives the instruction information from the medium access control second network layer.
  • the second network layer can send the indication information to the first network layer at the second moment without receiving the CRC result, instead of suspending the corresponding HARQ process at the second moment Since, the utilization rate for the HARQ process is relatively high.
  • an embodiment of the present application provides an information transmission method.
  • the method may include:
  • the physical layer sends an upload demand instruction to the MAC sublayer.
  • the upload demand instruction is sent to the MAC sublayer after the physical layer receives the upload demand of the first terminal.
  • the upload demand instruction is used to indicate the first terminal There is data to upload, and the size of the data volume is included.
  • the upload demand instruction may instruct the MAC sublayer to allocate resources for the first terminal to upload data.
  • the MAC sublayer After receiving the upload demand instruction sent by the physical layer in step 201, the MAC sublayer allocates the first resource to the first terminal that needs to upload data at the first moment, which corresponds to the target HARQ process at the first moment.
  • the first resource is used by the first terminal to transmit newly transmitted data. Since the upload demand instruction sent by the physical layer includes the amount of data to be uploaded by the first terminal, the MAC sublayer can determine, according to the amount of data, how many processes are needed to allocate resources to the first terminal. After receiving the upload demand instruction, the MAC sublayer may finish allocating resources in one HARQ process, or it may be that multiple HARQ processes are allocating resources in succession. There is no limit to the need for the MAC sublayer after receiving the upload demand instruction. Allocate resources on several HARQ processes.
  • the MAC sublayer After allocating the first resource to the first terminal at the first moment in step 202, the MAC sublayer sends the first allocation information to the physical layer.
  • the first allocation information is used to indicate the location of the first resource allocated by the MAC sublayer to the first terminal in step 202.
  • the physical layer After the MAC sublayer sends the first allocation information, the physical layer receives the first allocation information.
  • the physical layer determines the first RRU and the second RRU.
  • one MAC sublayer corresponds to multiple physical layers, and each physical layer corresponds to one RRU.
  • the MAC sublayer, physical layer, and RRU may exist on one physical device, or may be distributed on different physical devices, which is not limited here.
  • Each RRU has a different upstream signal strength for the first terminal.
  • the upstream signal strength of the RRU can be expressed by the signal-to-interference plus noise ratio (SINR), or by the reference signal received power (referencesignalreceiving) power, RSRP), or other parameters that can represent the uplink signal strength.
  • SINR signal-to-interference plus noise ratio
  • RSRP reference signal received power
  • the RRU uplink signal strength data is reported to the MAC sublayer after being collected by the physical layer.
  • the MAC sublayer determines which RRU has the highest uplink signal strength according to the uplink signal strength parameters of all the physical layers collected, and then the maximum uplink signal strength The value is used as the preset threshold, and it is determined that the RRU whose strength value of the upstream signal is greater than or equal to the preset threshold is the first RRU, and the RRU whose strength value of the upstream signal is less than the preset threshold is the second RRU.
  • the MAC sublayer determines the first RRU and the second RRU, it sends the information of the first RRU and the second RRU to the physical layer, and the physical layer determines whether the corresponding RRU is the first RRU or the second RRU.
  • the physical layer determines whether the corresponding RRU is the first RRU or the second RRU, and the physical layer corresponding to the first RRU performs a cyclic redundancy check on the data received by the first RRU from the first terminal to obtain a CRC result .
  • step 205 after the physical layer corresponding to the first RRU obtains the CRC result, the CRC result is sent to the MAC sublayer. Since this solution is based on information transmission under a loosely coupled architecture, the transmission has a relatively large delay. Therefore, after the physical layer corresponding to the first RRU sends the CRC result, the MAC sublayer generally receives the CRC result after the second moment.
  • the MAC sublayer allocates the second resource to the first terminal at the second moment, which corresponds to the target HARQ identifier.
  • the MAC sublayer does not need to receive the CRC result reported by the physical layer before allocating the second resource, in step 205
  • the physical layer receives the upload data sent by the first RRU.
  • the process of obtaining the CRC result due to the length of the line or the signal quality may be before the second moment or after the second moment, so steps 205 and 207 are not Time sequence.
  • the MAC sublayer allocates the second resource at the second moment, and then the MAC sublayer sends indication information to the physical layer, where the indication information may indicate the location of the second resource.
  • the MAC sublayer also determines whether the first resource is allocated to the second terminal.
  • the second terminal may be any terminal except the first terminal.
  • the indication information is also used to indicate whether the first resource is allocated to the second terminal at the second moment.
  • the physical layer corresponding to the first RRU determines whether the first resource is allocated to the second terminal at the second moment according to the indication information. If the first resource is not allocated to the second terminal, the second terminal is different Any terminal of the first terminal. That is, the first resource is not allocated to any terminal or the first resource continues to be allocated to the first terminal at the second moment. In both cases, the physical layer determines whether the CRC result is correct. When the CRC result is incorrect, the physical layer sends a non-adaptive retransmission instruction (NACK) and interference sequence to the first RRU. After the non-adaptive retransmission instruction and the interference sequence, the first RRU sends the non-adaptive retransmission instruction and the interference sequence to the first terminal.
  • NACK non-adaptive retransmission instruction
  • the non-adaptive retransmission instruction may be sent through a physical hybrid automatic retransmission indication (physical hybrid ARQ indicator channel, PHICH) channel.
  • the adaptive retransmission instruction is used to instruct the first terminal to send retransmission data to the first RRU through the first resource.
  • the interference sequence is used to interfere with a new transmission instruction (ULGRANT), so that the first terminal cannot receive the new transmission instruction.
  • the interference sequence can invert the modulation symbol of the newly transmitted instruction, but it is not limited to that it can only invert the modulation symbol of the newly transmitted instruction, as long as it can interfere with the newly transmitted instruction so that the terminal cannot receive the newly transmitted instruction.
  • the interference sequence is transmitted through a physical downlink control (PDCCH) channel.
  • PDCCH physical downlink control
  • the physical layer sends the non-adaptive retransmission instruction and the interference sequence to the first RRU, and then the first RRU forwards the non-adaptive retransmission instruction and the interference sequence to the first terminal.
  • the interference sequence may interfere with the new transmission instruction, so that the first terminal cannot receive the new transmission instruction.
  • the non-adaptive retransmission instruction instructs the first terminal to retransmit data through the first resource.
  • Embodiment 3 provides an information transmission method.
  • the method may include:
  • the physical layer sends an upload demand instruction to the MAC sublayer.
  • the upload demand instruction is sent to the MAC sublayer after the physical layer receives the upload demand of the first terminal.
  • the upload demand instruction is used to indicate the first terminal There is data to upload, and the size of the data volume is included.
  • the upload demand instruction may instruct the MAC sublayer to allocate resources for the first terminal to upload data.
  • the MAC sublayer After receiving the upload demand instruction sent by the physical layer in step 301, the MAC sublayer allocates the first resource to the first terminal that needs to upload data at the first moment, which corresponds to the target HARQ process.
  • the first resource is used by the first terminal to transmit data. Since the upload demand instruction sent by the physical layer includes the amount of data to be uploaded by the first terminal, the MAC sublayer can determine, according to the amount of data, how many processes are needed to allocate resources to the first terminal. After receiving the upload demand instruction, the MAC sublayer may finish allocating resources in one HARQ process, or it may be that multiple consecutive HARQ processes are allocating resources. There is no limit to the need for the MAC sublayer after receiving the upload demand instruction. Allocate resources on several HARQ processes.
  • the MAC sublayer After allocating the first resource to the first terminal at the first moment in step 302, the MAC sublayer sends the first allocation information to the physical layer.
  • the first allocation information is used to indicate the location of the first resource allocated by the MAC sublayer to the first terminal in step 302.
  • the physical layer After the MAC sublayer sends the first allocation information, the physical layer receives the first allocation information.
  • the physical layer determines the first RRU and the second RRU.
  • one MAC sublayer corresponds to multiple physical layers, and each physical layer corresponds to one RRU.
  • the MAC sublayer, physical layer, and RRU may exist on one physical device, or may be distributed on different physical devices, which is not limited here.
  • Each RRU has a different upstream signal strength for the first terminal.
  • the upstream signal strength of the RRU can be expressed by the signal-to-interference plus noise ratio, the received power of the reference signal, or other parameters that can represent the upstream signal strength.
  • the uplink signal strength data of RRU is reported to the MAC sublayer after being collected by the physical layer.
  • the MAC sublayer determines which RRU has the highest uplink signal strength according to the uplink signal strength parameters of all the physical layers collected, and then the maximum uplink signal strength The value is used as the preset threshold, and it is determined that the RRU whose strength value of the upstream signal is greater than or equal to the preset threshold is the first RRU, and the RRU whose strength value of the upstream signal is less than the preset threshold is the second RRU.
  • the MAC sublayer determines the first RRU and the second RRU, it sends the information of the first RRU and the second RRU to the physical layer, and the physical layer determines whether the corresponding RRU is the first RRU or the second RRU.
  • step 304 the physical layer determines whether the corresponding RRU is the first RRU or the second RRU, and the physical layer corresponding to the first RRU obtains the CRC result according to the data received by the first RRU from the terminal.
  • step 305 after the physical layer corresponding to the first RRU obtains the CRC result, the CRC result is sent to the MAC sublayer. Since this solution is based on information transmission under a loosely coupled architecture, the transmission has a relatively large delay. Therefore, after the physical layer corresponding to the first RRU sends the CRC result, the MAC sublayer generally receives the CRC result after the second moment.
  • the MAC sublayer allocates the second resource to the first terminal at the second moment, which corresponds to the target HARQ identifier.
  • the MAC sublayer does not need to receive the CRC result reported by the physical layer before allocating the second resource.
  • the physical layer receives the upload data sent by the first RRU. The process of obtaining the CRC result due to the length of the line or the quality of the signal. This step may be before the second moment or may be after the second moment, so step 305 and step 307 are not Time sequence.
  • the MAC sublayer allocates the second resource at the second moment, and then the MAC sublayer sends indication information to the physical layer, where the indication information may indicate the location of the second resource.
  • the MAC sublayer also determines whether the first resource is allocated to the second terminal.
  • the second terminal may be any terminal except the first terminal.
  • the indication information is also used to indicate whether the first resource is allocated to the second terminal at the second moment.
  • the physical layer corresponding to the first RRU determines whether the first resource is allocated to the second terminal at the second moment according to the indication information. If the first resource is allocated to the second terminal, the second terminal is Any terminal that is different from the first terminal. In this case, the physical layer determines whether the CRC result is correct. When the CRC result is incorrect, the physical layer sends a suspend command (ACK) and interference sequence to the first RRU, and receives the suspend command and interference at the first RRU After the sequence, the first RRU sends the suspend command and the interference sequence to the first terminal.
  • ACK suspend command
  • interference sequence receives the suspend command and interference sequence
  • the suspend command may be sent through the PHICH channel, and the suspend command is used to instruct the first terminal not to send data.
  • the interference sequence is used to interfere with a new transmission instruction (ULGRANT), so that the terminal cannot receive the new transmission instruction.
  • the interference sequence can invert the modulation symbol of the newly transmitted instruction, but it is not limited to that it can only invert the modulation symbol of the newly transmitted instruction, as long as it can interfere with the newly transmitted instruction so that the terminal cannot receive the newly transmitted instruction.
  • the interference sequence is transmitted through the PDCCH channel.
  • the MAC sublayer determines whether the first resource is allocated to the second terminal at the second moment, and the second terminal is any terminal different from the first terminal.
  • the third time corresponds to the target HARQ identifier.
  • the third time is different from the first time and the second time.
  • the third time is after the MAC sublayer receives the CRC result sent by the physical layer corresponding to the first RRU.
  • the MAC sublayer allocates the third resource to the first terminal.
  • the third resource is used by the first terminal to send retransmission data.
  • the MAC sublayer After the MAC sublayer allocates the third resource to the first terminal in step 310, the MAC sublayer sends second allocation information to all physical layers, where the second allocation information is used to indicate the location of the third resource.
  • the physical layer After the physical layer receives the second allocation information sent by the MAC sublayer, the physical layer sends an adaptive retransmission instruction (ULGRANT) to the corresponding RRU.
  • the adaptive retransmission instruction In the adaptive retransmission instruction, a network device interface (NDI) Don't flip.
  • the NDI is the content included in the adaptive retransmission instruction.
  • the NDI does not flip to instruct the first terminal to retransmit through the third resource after receiving the adaptive retransmission instruction.
  • the RRU After receiving the adaptive retransmission instruction, the RRU sends the adaptive retransmission instruction to the first terminal.
  • the first RRU sends the adaptive retransmission instruction to the first terminal to be transmitted through the PDCCH channel, and the adaptive retransmission instruction is used to instruct the first terminal to retransmit through the third resource.
  • the physical layer sends the suspend instruction and the interference sequence to the first RRU, and then the first RRU forwards the suspend instruction and the interference sequence to the first terminal, and the interference sequence can interfere with the newly transmitted instruction, As a result, the first terminal cannot receive the new transmission instruction, and after receiving the suspend instruction, the first terminal neither sends new transmission data nor retransmission data.
  • the MAC sublayer allocates the third resource to the first terminal, and then sends the position of the third resource to all physical layers. After receiving the position information of the third resource, the physical layer sends the adaptive retransmission instruction to Corresponding RRU, RRU forwards the adaptive retransmission instruction to the first terminal. After receiving the adaptive retransmission instruction, the first terminal performs adaptive retransmission of data through the third resource.
  • Embodiment 4 provides an information transmission method.
  • the method may include:
  • the physical layer sends an upload demand instruction to the MAC sublayer.
  • the upload demand instruction is sent to the MAC sublayer after the physical layer receives the upload demand of the first terminal.
  • the upload demand instruction is used to indicate the first terminal There is data to upload, and the size of the data volume is included.
  • the upload demand instruction may instruct the MAC sublayer to allocate resources for the first terminal to upload data.
  • the MAC sublayer After receiving the upload demand instruction sent by the physical layer in step 401, the MAC sublayer allocates the first resource to the first terminal that needs to upload data at the first moment, which corresponds to the target HARQ process.
  • the first resource is used by the first terminal to transmit data. Since the upload demand instruction sent by the physical layer includes the amount of data to be uploaded by the first terminal, the MAC sublayer can determine, according to the amount of data, how many processes are needed to allocate resources to the first terminal. After receiving the upload demand instruction, the MAC sublayer may finish allocating resources in one HARQ process, or it may be that multiple consecutive HARQ processes are allocating resources. There is no limit to the need for the MAC sublayer after receiving the upload demand instruction. Allocate resources on several HARQ processes.
  • the MAC sublayer After allocating the first resource to the first terminal at the first moment in step 402, the MAC sublayer sends the first allocation information to the physical layer.
  • the first allocation information is used to indicate the location of the first resource allocated by the MAC sublayer to the first terminal in step 402.
  • the physical layer After the MAC sublayer sends the first allocation information, the physical layer receives the first allocation information.
  • the physical layer determines the first RRU and the second RRU.
  • one MAC sublayer corresponds to multiple physical layers, and each physical layer corresponds to one RRU.
  • the MAC sublayer, physical layer, and RRU may exist on one physical device, or may be distributed on different physical devices, which is not limited here.
  • Each RRU has a different upstream signal strength for the first terminal.
  • the upstream signal strength of the RRU can be expressed by the signal-to-interference plus noise ratio, the received power of the reference signal, or other parameters that can represent the upstream signal strength.
  • the uplink signal strength data of RRU is reported to the MAC sublayer after being collected by the physical layer.
  • the MAC sublayer determines which RRU has the highest uplink signal strength according to the uplink signal strength parameters of all the physical layers collected, and then the maximum uplink signal strength The value is used as the preset threshold, and it is determined that the RRU whose strength value of the upstream signal is greater than or equal to the preset threshold is the first RRU, and the RRU whose strength value of the upstream signal is less than the preset threshold is the second RRU.
  • the MAC sublayer determines the first RRU and the second RRU, it sends the information of the first RRU and the second RRU to the physical layer, and the physical layer determines whether the corresponding RRU is the first RRU or the second RRU.
  • the CRC result is obtained by performing a CRC check on the uplink data of the first terminal received by the first RRU, and although the second RRU may also receive the uplink data of the first terminal, it is not received according to the second RRU here. CRC check the received data.
  • the MAC sublayer allocates the second resource to the first terminal at the second moment, which corresponds to the target HARQ identifier.
  • the MAC sublayer does not need to receive the CRC result reported by the physical layer before allocating the second resource.
  • the MAC sublayer allocates the second resource at the second moment, and then the MAC sublayer sends indication information to the physical layer, where the indication information may indicate the location of the second resource.
  • the MAC sublayer also determines whether the first resource is allocated to the second terminal at the second moment.
  • the second terminal may be any terminal except the first terminal.
  • the indication information is also used to indicate whether the first resource is allocated to the second terminal at the second moment.
  • the physical layer corresponding to the second RRU determines whether the first resource is allocated to the second terminal at the second moment according to the indication information. When the first resource is not allocated to the second terminal at the second moment, the physical layer sends a non-adaptive retransmission instruction (NACK) and a new transmission instruction (ULGRANT) to the second RRU. After receiving the non-adaptive retransmission instruction and the new transmission instruction sent by the physical layer, the second RRU can send the non-adaptive retransmission instruction to the first terminal through the PHICH channel, and can send the new transmission instruction through the PDCCH channel To the first terminal.
  • NACK non-adaptive retransmission instruction
  • ULGRANT new transmission instruction
  • the physical layer corresponding to the second RRU since the physical layer corresponding to the second RRU does not perform CRC check based on the uplink data of the first terminal received by the second RRU, the CRC result cannot be obtained. So no matter whether the CRC result is correct or not, the physical layer corresponding to the second RRU will send to the second RRU when the first resource is not allocated to the second terminal at the second moment after receiving the indication information sent by the MAC sublayer Non-adaptive retransmission instructions and new transmission instructions.
  • the first terminal will receive the non-adaptive retransmission instruction and the new transmission instruction sent by the second RRU, and will also receive
  • the interference sequence is used to interfere with the new transmission instruction, so that the first terminal cannot receive the new transmission instruction.
  • the interference sequence sent by the first RRU and the new transmission instruction sent by the second RRU interfere with each other, and for the first terminal, only the non-adaptive retransmission instruction sent by the first RRU and the second RRU can be finally received.
  • the first terminal After receiving the non-adaptive retransmission instruction, the first terminal performs retransmission through the first resource.
  • Embodiment 5 provides a method for information transmission.
  • the method may include:
  • the physical layer sends an upload demand instruction to the MAC sublayer.
  • the upload demand instruction is sent to the MAC sublayer after the physical layer receives the upload demand of the first terminal.
  • the upload demand instruction is used to indicate the first terminal There is data to upload, and the size of the data volume is included.
  • the upload demand instruction may instruct the MAC sublayer to allocate resources for the first terminal to upload data.
  • the MAC sublayer After receiving the upload demand instruction sent by the physical layer in step 501, the MAC sublayer allocates the first resource to the first terminal that needs to upload data at the first moment, which corresponds to the target HARQ process.
  • the first resource is used by the first terminal to transmit data. Since the upload demand instruction sent by the physical layer includes the amount of data to be uploaded by the first terminal, the MAC sublayer can determine, according to the amount of data, how many processes are needed to allocate resources to the first terminal. After receiving the upload demand instruction, the MAC sublayer may finish allocating resources in one HARQ process, or it may be that multiple consecutive HARQ processes are allocating resources. There is no limit to the need for the MAC sublayer after receiving the upload demand instruction. Allocate resources on several HARQ processes.
  • the MAC sublayer After allocating the first resource to the first terminal at the first moment in step 502, the MAC sublayer sends the first allocation information to the physical layer.
  • the first allocation information is used to indicate the location of the first resource allocated by the MAC sublayer to the first terminal in step 502.
  • the physical layer After the MAC sublayer sends the first allocation information, the physical layer receives the first allocation information.
  • the physical layer determines the first RRU and the second RRU.
  • one MAC sublayer corresponds to multiple physical layers, and each physical layer corresponds to one RRU.
  • the MAC sublayer, physical layer, and RRU may exist on one physical device, or may be distributed on different physical devices, which is not limited here.
  • Each RRU has a different upstream signal strength for the first terminal.
  • the upstream signal strength of the RRU can be expressed by the signal-to-interference plus noise ratio, the received power of the reference signal, or other parameters that can represent the upstream signal strength.
  • the uplink signal strength data of RRU is reported to the MAC sublayer after being collected by the physical layer.
  • the MAC sublayer determines which RRU has the highest uplink signal strength according to the uplink signal strength parameters of all the physical layers collected, and then the maximum uplink signal strength The value is used as the preset threshold, and it is determined that the RRU whose strength value of the upstream signal is greater than or equal to the preset threshold is the first RRU, and the RRU whose strength value of the upstream signal is less than the preset threshold is the second RRU.
  • the MAC sublayer determines the first RRU and the second RRU, it sends the information of the first RRU and the second RRU to the physical layer, and the physical layer determines whether the corresponding RRU is the first RRU or the second RRU.
  • the CRC result is obtained by performing a CRC check on the uplink data of the first terminal received by the first RRU, and although the second RRU may also receive the uplink data of the first terminal, it is not received according to the second RRU here. CRC check the received data.
  • the MAC sublayer allocates the second resource to the first terminal at the second moment, which corresponds to the target HARQ identifier.
  • the MAC sublayer does not need to receive the CRC result reported by the physical layer before allocating the second resource.
  • the MAC sublayer allocates the second resource at the second moment, and then the MAC sublayer sends indication information to the physical layer, where the indication information may indicate the location of the second resource.
  • the MAC sublayer also determines whether the first resource is allocated to the second terminal at the second moment.
  • the second terminal may be any terminal except the first terminal.
  • the indication information is also used to indicate whether the first resource is allocated to the second terminal at the second moment.
  • the physical layer corresponding to the second RRU determines whether the first resource is allocated to the second terminal according to the indication information.
  • the physical layer sends a suspend instruction (ACK) and a new transmission instruction (ULGRANT) to the second RRU.
  • the second RRU may send the suspension instruction to the first terminal through the PHICH channel, and may send the new transmission instruction to the first terminal through the PDCCH channel.
  • the MAC sublayer determines whether the first resource is allocated to the second terminal at the second moment, and the second terminal is any terminal different from the first terminal.
  • the third time corresponds to the target HARQ identifier.
  • the third time is different from the first time and the second time.
  • the third time is after the MAC sublayer receives the CRC result.
  • the MAC sublayer allocates the third resource to the first terminal.
  • the third resource is used by the first terminal to send retransmission data.
  • the MAC sublayer After the MAC sublayer allocates the third resource to the first terminal in step 508, the MAC sublayer sends second allocation information to all physical layers, where the second allocation information is used to indicate the location of the third resource.
  • all physical layers send an adaptive retransmission instruction (ULGRANT) to the corresponding RRU, in which the network device interface NDI does not flip.
  • the NDI is the content included in the adaptive retransmission instruction.
  • the NDI does not flip to instruct the first terminal to retransmit through the third resource after receiving the adaptive retransmission instruction.
  • the RRU After receiving the adaptive retransmission instruction, the RRU sends the adaptive retransmission instruction to the first terminal.
  • the RRU sends the adaptive retransmission instruction to the first terminal and sends it through the PDCCH channel.
  • the adaptive retransmission instruction is used to instruct the first terminal to retransmit through the third resource.
  • the physical layer corresponding to the second RRU since the physical layer corresponding to the second RRU does not perform CRC check based on the uplink data of the first terminal received by the second RRU, the CRC result cannot be obtained. Therefore, no matter whether the CRC result is correct or not, the physical layer corresponding to the second RRU will send a link to the second RRU when the first resource is allocated to the second terminal at the second moment after receiving the indication information sent by the MAC sublayer. Instruction and new instruction.
  • the first terminal will receive the suspend command and the new transmission command sent by the second RRU, and will also receive the send from the first RRU
  • the interference sequence is used to interfere with the new transmission instruction, so that the first terminal cannot receive the new transmission instruction.
  • the interference sequence sent by the first RRU and the new transmission instruction sent by the second RRU interfere with each other.
  • the first terminal eventually, only the suspend instruction sent by the first RRU and the second RRU can be received. Therefore, after receiving the suspend instruction, the first terminal neither transmits nor retransmits at this moment.
  • the MAC sublayer allocates the third resource to the first terminal at the third moment, the first terminal performs adaptive retransmission of data through the third resource.
  • Embodiment 6 provides an information transmission method.
  • the method may include:
  • the physical layer sends an upload demand instruction to the MAC sublayer.
  • the upload demand instruction is sent to the MAC sublayer after the physical layer receives the upload demand of the first terminal.
  • the upload demand instruction is used to indicate the first terminal There is data to upload, and the size of the data volume is included.
  • the upload demand instruction may instruct the MAC sublayer to allocate resources for the first terminal to upload data.
  • the MAC sublayer After receiving the upload demand instruction sent by the physical layer in step 601, the MAC sublayer allocates the first resource to the first terminal that needs to upload data at the first moment, which corresponds to the target HARQ process.
  • the first resource is used by the first terminal to transmit data. Since the upload demand instruction sent by the physical layer includes the amount of data to be uploaded by the first terminal, the MAC sublayer can determine, according to the amount of data, how many processes are needed to allocate resources to the first terminal. After receiving the upload demand instruction, the MAC sublayer may finish allocating resources in one HARQ process, or it may be that multiple consecutive HARQ processes are allocating resources. There is no limit to the need for the MAC sublayer after receiving the upload demand instruction. Allocate resources on several HARQ processes.
  • the MAC sublayer After allocating the first resource to the first terminal at the first moment in step 602, the MAC sublayer sends the first allocation information to the physical layer.
  • the first allocation information is used to indicate the location of the first resource allocated by the MAC sublayer to the first terminal in step 602.
  • the physical layer determines the first RRU and the second RRU.
  • one MAC sublayer corresponds to multiple physical layers, and each physical layer corresponds to one RRU.
  • the MAC sublayer, physical layer, and RRU may exist on one physical device, or may be distributed on different physical devices, which is not limited here.
  • Each RRU has a different upstream signal strength for the first terminal.
  • the upstream signal strength of the RRU can be expressed by the signal-to-interference plus noise ratio, the received power of the reference signal, or other parameters that can represent the upstream signal strength.
  • the uplink signal strength data of RRU is reported to the MAC sublayer after being collected by the physical layer.
  • the MAC sublayer determines which RRU has the highest uplink signal strength according to the uplink signal strength parameters of all the physical layers collected, and then the maximum uplink signal strength The value is used as the preset threshold, and it is determined that the RRU whose strength value of the upstream signal is greater than or equal to the preset threshold is the first RRU, and the RRU whose strength value of the upstream signal is less than the preset threshold is the second RRU.
  • the MAC sublayer determines the first RRU and the second RRU, it sends the information of the first RRU and the second RRU to the physical layer, and the physical layer determines whether the corresponding RRU is the first RRU or the second RRU.
  • step 604 the physical layer determines whether the corresponding RRU is the first RRU or the second RRU, and the physical layer corresponding to the first RRU obtains the CRC result according to the data received by the first RRU from the terminal.
  • step 605 after the physical layer corresponding to the first RRU obtains the CRC result, the CRC result is sent to the MAC sublayer. Since this solution is based on information transmission under a loosely coupled architecture, the transmission has a relatively large delay. Therefore, after the physical layer corresponding to the first RRU sends the CRC result, the MAC sublayer generally receives the CRC result after the second moment.
  • the MAC sublayer allocates the second resource to the first terminal at the second moment, which corresponds to the target HARQ identifier.
  • the MAC sublayer does not need to receive the CRC result reported by the physical layer before allocating the second resource, in step 605
  • the physical layer receives the upload data sent by the first RRU.
  • the process of obtaining the CRC result due to the length of the line or the signal quality may be before the second moment or after the second moment, so steps 605 and 607 are not Time sequence.
  • the MAC sublayer allocates the second resource at the second moment, and then the MAC sublayer sends indication information to the physical layer, where the indication information may indicate the location of the second resource.
  • the MAC sublayer also determines whether the first resource is allocated to the second terminal.
  • the second terminal may be any terminal except the first terminal.
  • the indication information is also used to indicate whether the first resource is allocated to the second terminal at the second moment.
  • the physical layer corresponding to the first RRU After receiving the indication information, the physical layer corresponding to the first RRU obtains the location information of the second resource according to the indication information. Then the physical layer judges whether the CRC result is correct. When the CRC result is correct, the physical layer sends a new transmission instruction (ULGRANT) to the first RRU.
  • the new transmission instruction may be sent through the PDCCH channel, and is used to instruct the first terminal to perform a new transmission through the second resource.
  • the first RRU when the CRC result is correct, the first RRU sends a new transmission instruction to the first terminal.
  • the second RRU sends a non-adaptive retransmission instruction and a new transmission instruction to the first terminal.
  • the first resource is not allocated to the second terminal at the second moment.
  • the second RRU sends a non-adaptive retransmission instruction and a new transmission instruction to the first terminal.
  • the CRC result cannot be obtained. Therefore, regardless of whether the CRC result is correct or incorrect, the second RRU will send a non-adaptive retransmission instruction and a new transmission instruction to the first terminal.
  • the first terminal when the CRC result is correct, and the first resource is not allocated to the second terminal at the second moment, the first terminal will receive a new transmission instruction from the first RRU and a non-adaptive retransmission instruction sent by the second RRU and New instructions. Due to the existence of such a judgment mechanism within the terminal, when the first terminal receives both the new transmission instruction and the non-adaptive retransmission instruction, the first terminal is subject to the received new transmission instruction.
  • the second resource transmits new transmission data.
  • the second RRU when the first resource is allocated to the second terminal at the second moment, the second RRU sends a suspend instruction and a new transmission instruction to the first terminal.
  • the CRC result cannot be obtained. Therefore, regardless of whether the CRC result is correct or incorrect, the second RRU will send a non-adaptive retransmission instruction and a new transmission instruction to the first terminal. That is, when the CRC result is correct and the first resource is allocated to the second terminal at the second moment, the first terminal will receive the new transmission instruction sent by the first RRU and the suspend instruction and new transmission sent by the second RRU instruction. Due to the existence of such a judgment mechanism within the terminal, when the first terminal receives both the new transmission instruction and the suspend instruction, the first terminal is subject to the received new transmission instruction, that is, the second transmission is performed according to the new transmission instruction New transmission data transmission.
  • Embodiment 7 provides an information transmission method.
  • the method may include:
  • the physical layer sends an upload demand instruction to the MAC sublayer.
  • the upload demand instruction is sent to the MAC sublayer after the physical layer receives the upload demand of the first terminal.
  • the upload demand instruction is used to indicate the first terminal There is data to upload, and the size of the data volume is included.
  • the upload demand instruction may instruct the MAC sublayer to allocate resources for the first terminal to upload data.
  • the MAC sublayer After receiving the upload demand instruction sent by the physical layer in step 701, the MAC sublayer allocates the first resource to the first terminal that needs to upload data at the first moment, which corresponds to the target HARQ process.
  • the first resource is used by the first terminal to transmit data. Since the upload demand instruction sent by the physical layer includes the amount of data to be uploaded by the first terminal, the MAC sublayer can determine, according to the amount of data, how many processes are needed to allocate resources to the first terminal. After receiving the upload demand instruction, the MAC sublayer may finish allocating resources in one HARQ process, or it may be that multiple consecutive HARQ processes are allocating resources. There is no limit to the need for the MAC sublayer after receiving the upload demand instruction. Allocate resources on several HARQ processes.
  • the MAC sublayer After allocating the first resource to the first terminal at the first moment in step 702, the MAC sublayer sends the first allocation information to the physical layer.
  • the first allocation information is used to indicate the location of the first resource allocated by the MAC sublayer to the first terminal in step 702.
  • the MAC sublayer sends instruction information to the physical layer.
  • the MAC sublayer does not allocate resources to the first terminal at the second moment. It may be that the amount of data contained in the upload demand instruction received by the MAC sublayer in step 701 has been uploaded before the second moment, so there is no data in the target HARQ process corresponding to the second moment that needs to be uploaded, There may also be other reasons that the MAC sublayer fails to allocate resources to the first terminal at the second moment. Specifically, for whatever reason, the MAC sublayer does not allocate resources to the first terminal at the second moment, and there is no restriction here. Therefore, at the second moment, the MAC sublayer only determines whether the first resource is allocated to the second terminal, and the second terminal may be any terminal except the first terminal. The indication information is only used to indicate whether the first resource is allocated to the second terminal at the second moment.
  • the physical layer judges whether the first resource is allocated to the second terminal at the second time according to the instruction information. When the first resource is not allocated to the second terminal at the second time, the physical layer reports to the RRU A non-adaptive retransmission instruction (NACK) is sent, and the non-adaptive retransmission instruction can be sent through the PHICH channel, and is used to instruct the first terminal to retransmit through the first resource.
  • NACK non-adaptive retransmission instruction
  • the MAC sublayer since the MAC sublayer does not allocate resources to the first terminal at the second moment, it is impossible to arrange for the first terminal to perform a new transmission. Even if the CRC result is correct, there is no resource to perform a new transmission. It needs to be distinguished according to whether the CRC result is correct, so there is no need to distinguish between the first RRU and the second RRU.
  • all physical layers correspond to The RRU sends a non-adaptive retransmission instruction. After receiving the non-adaptive retransmission instruction, the RRU sends the non-adaptive retransmission instruction to the first terminal. After receiving the non-adaptive retransmission instruction, the first terminal passes the first Data is retransmitted by resources.
  • Embodiment 8 provides an information transmission method.
  • the method may include:
  • the physical layer sends an upload demand instruction to the MAC sublayer.
  • the upload demand instruction is sent to the MAC sublayer after the physical layer receives the upload demand of the first terminal.
  • the upload demand instruction is used to indicate the first terminal There is data to upload, and the size of the data volume is included.
  • the upload demand instruction may instruct the MAC sublayer to allocate resources for the first terminal to upload data.
  • the MAC sublayer After receiving the upload demand instruction sent by the physical layer in step 801, the MAC sublayer allocates the first resource to the first terminal that needs to upload data at the first moment, which corresponds to the target HARQ process.
  • the first resource is used by the first terminal to transmit data. Since the upload demand instruction sent by the physical layer includes the amount of data to be uploaded by the first terminal, the MAC sublayer can determine, according to the amount of data, how many processes are needed to allocate resources to the first terminal. After receiving the upload demand instruction, the MAC sublayer may finish allocating resources in one HARQ process, or it may be that multiple consecutive HARQ processes are allocating resources. There is no limit to the need for the MAC sublayer after receiving the upload demand instruction. Allocate resources on several HARQ processes.
  • the MAC sublayer After allocating the first resource to the first terminal at the first moment in step 802, the MAC sublayer sends the first allocation information to the physical layer.
  • the first allocation information is used to indicate the location of the first resource allocated by the MAC sublayer to the first terminal in step 802.
  • the physical layer determines the first RRU and the second RRU.
  • one MAC sublayer corresponds to multiple physical layers, and each physical layer corresponds to one RRU.
  • the MAC sublayer, physical layer, and RRU may exist on one physical device, or may be distributed on different physical devices, which is not limited here.
  • Each RRU has a different upstream signal strength for the first terminal.
  • the upstream signal strength of the RRU can be expressed by the signal-to-interference plus noise ratio, the received power of the reference signal, or other parameters that can represent the upstream signal strength.
  • the uplink signal strength data of RRU is reported to the MAC sublayer after being collected by the physical layer.
  • the MAC sublayer determines which RRU has the highest uplink signal strength according to the uplink signal strength parameters of all the physical layers collected, and then the maximum uplink signal strength The value is used as the preset threshold, and it is determined that the RRU whose strength value of the upstream signal is greater than or equal to the preset threshold is the first RRU, and the RRU whose strength value of the upstream signal is less than the preset threshold is the second RRU.
  • the MAC sublayer determines the first RRU and the second RRU, it sends the information of the first RRU and the second RRU to the physical layer, and the physical layer determines whether the corresponding RRU is the first RRU or the second RRU.
  • step 804 the physical layer determines whether the corresponding RRU is the first RRU or the second RRU, and the physical layer corresponding to the first RRU obtains the CRC result according to the data received by the first RRU from the terminal.
  • step 805 after the physical layer corresponding to the first RRU obtains the CRC result, the CRC result is sent to the MAC sublayer. Since this solution is based on information transmission under a loosely coupled architecture, the transmission has a relatively large delay. Therefore, after the physical layer corresponding to the first RRU sends the CRC result, the MAC sublayer generally receives the CRC result after the second moment.
  • the MAC sublayer sends instruction information to the physical layer.
  • the MAC sublayer does not allocate resources to the first terminal at the second moment. It may be that the amount of data contained in the upload demand instruction received by the MAC sublayer in step 801 has been uploaded before the second moment, so there is no data in the target HARQ process corresponding to the second moment that needs to be uploaded, There may also be other reasons that the MAC sublayer fails to allocate resources to the first terminal at the second moment. Specifically, for whatever reason, the MAC sublayer does not allocate resources to the first terminal at the second moment, and there is no restriction here. Therefore, at the second moment, the MAC sublayer only determines whether the first resource is allocated to the second terminal, and the second terminal may be any terminal except the first terminal. The indication information is only used to indicate whether the first resource is allocated to the second terminal at the second moment.
  • the physical layer After receiving the instruction information, the physical layer determines whether the first resource is allocated to the second terminal at the second time according to the instruction information. When the first resource is allocated to the second terminal at the second time, all physical layers report The corresponding RRU sends a suspend command (ACK). After receiving the suspend command, the RRU sends the suspend command to the first terminal. The suspend command is used to instruct the terminal to neither send new transmission data nor retransmit data.
  • ACK suspend command
  • the MAC sublayer determines whether the first resource is allocated to the second terminal at the second moment, and the second terminal is any terminal different from the first terminal.
  • the third time corresponds to the target HARQ identifier.
  • the third time is different from the first time and the second time.
  • the third time is after the MAC sublayer receives the CRC result sent by the physical layer corresponding to the first RRU.
  • the MAC sublayer allocates the third resource to the first terminal.
  • the third resource is used by the first terminal to send retransmission data.
  • the MAC sublayer After the MAC sublayer allocates the third resource to the first terminal in step 810, the MAC sublayer sends second allocation information to all physical layers, where the second allocation information is used to indicate the location of the third resource.
  • the physical layer After the physical layer receives the second allocation information sent by the MAC sublayer, the physical layer sends an adaptive retransmission instruction (ULGRANT) to all RRUs, in which the network device interface NDI does not flip.
  • the NDI is the content included in the adaptive retransmission instruction.
  • the NDI does not flip to instruct the first terminal to retransmit through the third resource after receiving the adaptive retransmission instruction.
  • the RRU After receiving the adaptive retransmission instruction, the RRU sends the adaptive retransmission instruction to the first terminal.
  • the RRU sends the self-adaptive retransmission instruction to the first terminal through the PDCCH channel, and the adaptive retransmission instruction is used to instruct the first terminal to retransmit through the third resource.
  • the MAC sublayer since the MAC sublayer does not allocate resources to the first terminal at the second moment, it is impossible to arrange for the first terminal to perform a new transmission. Even if the CRC result is correct, there is no resource to perform a new transmission. It needs to be distinguished according to whether the CRC result is correct.
  • all physical layers send a suspend command to the corresponding RRU, and the RRU receives the suspend command After that, the suspension instruction is sent to the first terminal, and the first terminal neither receives new transmission nor retransmits after receiving the suspension instruction.
  • the MAC sublayer received the CRC result sent by the physical layer corresponding to the first RRU.
  • the MAC sublayer judges that the CRC result is incorrect and the first resource is allocated to the second terminal at the second moment
  • the MAC sublayer allocates the third resource to the first terminal at the third moment, which corresponds to the target at the third moment HARQ, and the third moment is different from the first moment and the second moment.
  • the MAC sublayer sends the second allocation information containing the third resource location information to all physical layers, and all physical layers send adaptive retransmission instructions to the RRU.
  • the RRU forwards the adaptive retransmission instruction to the first terminal.
  • the first terminal performs data retransmission through the third resource.
  • Embodiment 9 provides a first device for information transmission.
  • the first device and its corresponding unit are used to perform the steps performed by the first network layer or physical layer in Embodiments 1 to 8,
  • the first device may include:
  • the receiving unit 901 is configured to receive first allocation information from the second device.
  • the first allocation information is used to indicate the location of the first resource allocated by the second device to the first terminal at the first moment.
  • the retransmission request corresponds to the HARQ identifier; it is also used to receive indication information from the second device, the indication information is used to indicate whether the first resource is allocated to the second terminal at the second moment, the second moment corresponds to the target HARQ identifier, the second moment A time different from the first time, the second terminal is any terminal different from the first terminal; also used to receive new transmission data from the first RRU; also used to receive the second allocation information sent by the second device ,
  • the second allocation information is used to indicate the location of the third resource allocated by the second device to the first terminal at the third time, the third time corresponds to the target HARQ identifier, and the third time is the first time and the second time. Different moments.
  • the obtaining unit 902 is configured to obtain a cyclic redundancy check CRC result according to the newly transmitted data received by the receiving unit 901.
  • the determining unit 903 is configured to determine the first remote radio frequency module RRU and the second RRU.
  • the uplink signal strength value of the first RRU is greater than or equal to a preset threshold, and the uplink signal strength value of the second RRU is less than the preset threshold; It is determined that the CRC result is incorrect, and the first resource is not allocated to the second terminal at the second time; also used to determine that the CRC result is incorrect, and the first resource is allocated to the second terminal at the second time; also used to determine The first resource is not allocated to the second terminal at the second moment; it is also used to determine that the first resource is allocated to the second terminal at the second moment; it is also used to determine that the CRC result is correct; It is not allocated to the second terminal at the second time; it is also used to determine that the first resource is allocated to the second terminal at the second time.
  • the sending unit 904 is used for the determining unit 903 to determine that the CRC result is incorrect, and when the first resource is not allocated to the second terminal at the second moment, send a non-adaptive retransmission instruction and an interference sequence to the first RRU; also used for The determining unit 903 determines that the CRC result is incorrect, and when the first resource is allocated to the second terminal at the second moment, it sends a suspend command and an interference sequence to the first RRU; it is also used by the determining unit 903 to determine that the first resource is in the second When the time is not allocated to the second terminal, it sends a non-adaptive retransmission instruction and a new transmission instruction to the second RRU; it is also used by the determining unit 903 to determine that the first resource is allocated to the second terminal at the second time
  • the second RRU sends a suspend instruction and a new transmission instruction; it is also used to determine the unit 903 sends a new transmission instruction to the first RRU when the CRC result is correct; it is also used to
  • Embodiment 10 provides a second device for information transmission.
  • the second device and its corresponding unit are used to perform the steps performed by the second network layer or MAC sublayer in Embodiments 1 to 8.
  • the second device may include:
  • the sending unit 1001 is configured to send first allocation information to the first device.
  • the first allocation information is used to indicate the location of the first resource allocated by the second device to the first terminal at the first moment.
  • the request corresponds to the HARQ identifier; it is also used to send indication information to the first device at the second moment, the second moment corresponds to the target HARQ identifier, and the first moment and the second moment are different moments, and the indication information is used to indicate the first Whether the resource is allocated to the second terminal at the second moment, and the second terminal is any terminal different from the first terminal; also used to send second allocation information to the first device, and the second allocation information is used to instruct the second device The location of the third resource allocated to the first terminal at the third moment.
  • the receiving unit 1002 is used to receive a cyclic redundancy check CRC result sent by the first device; and also used to receive an upload demand instruction sent by the first device, and the upload demand instruction is used to instruct the first terminal to upload data.
  • the determining unit 1003 is configured to determine that the CRC result received by the receiving unit 1002 is incorrect and the first resource is allocated to the second terminal at the second moment.
  • the processing unit 1004 is used to allocate the second resource to the first terminal at the second moment; it is also used to allocate the first resource to the first terminal according to the upload demand instruction at the first moment; and it is also used to determine that the CRC result is incorrect And when the first resource is allocated to the second terminal at the second time, the third resource is allocated to the first terminal at the third time, the third time corresponds to the target HARQ identifier, and the third time corresponds to the first time and the second time For different moments.

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Abstract

本申请实施例提供了一种信息传输的方法及装置,该方法可以包括:第二网络层向第一网络层发送第一分配信息,该第一分配信息用于指示第二网络层在第一时刻为第一终端分配的第一资源的位置,第一时刻与目标HARQ标识对应;第一网络层从第二网络层接收第一分配信息;第二网络层在第二时刻向第一网络层发送指示信息,第二时刻与目标HARQ标识对应,且第一时刻与第二时刻为不同的时刻,指示信息用于指示第一资源在第二时刻是否未被分配给所述第二终端;第一网络层从第二网络层接收指示信息;这种方法第二网络层在没有接收到CRC结果的情况下就能在第二时刻向第一网络层发送指示信息,对于HARQ进程的利用率比较高。

Description

一种信息传输的方法及装置 技术领域
本申请涉及信息技术领域,具体涉及一种信息传输的方法及装置。
背景技术
在物理小区的组网中,常常将一个区域内在相同频段上的射频模块覆盖的多个物理小区合并成一个多远端射频模块(remote radio unit,RRU)小区。多RRU小区中存在多个RRU,其中每一个RRU对应一个第一网络层,该第一网络层可以为物理层,在多RRU小区中只有一个第二网络层,该第二网络层可以为介质访问控制(media access control,MAC)子层。数据链路层包含逻辑链路控制(logical link control,LLC)和MAC两个子层。在数据上行过程中,MAC子层可以用于在HARQ进程上为上行数据分配资源或向物理层发送指示信息。在该情景中MAC子层、物理层和RRU可以存在于一个实体设备上也可能分布在不同的实体设备。在实际的通信网络中,大多数多RRU小区都是采用的基于松耦合的架构,松耦合架构下的基站与基站通过网络连接,信号从一个基站到另一个基站中间可能需要其他设备的中转,而紧耦合的架构中,信号是直接从一个基站发送到另一个基站,所以基于松耦合的架构相较于紧耦合的架构而言传输时延比较大。
MAC子层在第一时刻给新传数据分配了第一资源,第一时刻为目标混合自动重传请求(hybrid automatic repeat request,HARQ)标识对应的时刻。MAC子层向物理层发送第一分配信息,该第一分配信息用于指示第一资源的位置。物理层接收到第一分配信息之后,向对应的RRU发送新传数据指令,RRU将新传数据指令发送给第一终端。该第一终端接收到新传数据指令之后,通过第一资源将新传数据向该RRU发送。该RRU接收到新传数据之后将新传数据发送给物理层,物理层再根据新传数据进行循环冗余校验(cyclic redundancy check,CRC)并得到CRC结果。物理层将CRC结果上报给MAC子层。
由于在松耦合架构下传输时延比较大,从物理层发出新传指令到接收新传数据,再将CRC结果上报给MAC子层的过程需要一段时间。在第二时刻MAC子层还没收到CRC结果,就会将HARQ进程挂起。第二时刻与第一时刻对应同一个HARQ进程。这种方式MAC子层必须要等到接收到CRC结果之后才分配资源进而发送指示信息,在没收到CRC结果的时候HARQ进程都挂起,对于HARQ进程的浪费比较严重。
发明内容
有鉴于此,本申请实施例第一方面提供了一种信息传输的方法,该方法可以包括:第一网络层从第二网络层接收第一分配信息,第一分配信息用于指示所第二网络层在第一时刻为第一终端分配的第一资源的位置,第一时刻与目标混合自动重传请求HARQ标识对应;第一网络层从第二网络层接收指示信息,指示信息用于指示第一资源在第二时刻是否被分配给第二终端,第二时刻与目标HARQ标识对应,第二时刻与第一时刻为互不相同的时刻,第二终端为不同于第一终端的任意一个终端。在一个物理小区中只存在一个第二网络层, 但是一个第二网络层可以对应多个第一网络层。第二网络层和任意一个与它对应的第一网络层之间可能还存在其他设备或模块对两者进行连接或信号传输,也可能不存在。该第一网络层可以为物理层,也可以为其他可以接收第一分配信息的网络层。第二网络层可以为MAC子层,也可以为其他可以发送第一分配信息的网络层。这种方法第二网络层在没有接收到CRC结果的情况下就能在第二时刻向第一网络层发送指示信息,对于HARQ进程的利用率比较高。
可选的,结合第一方面,在第一方面的第一种可能的实现方式中,第一网络层为物理层,第二网络层为介质访问控制MAC子层。
可选的,结合第一方面的第一种可能的实现方式,在第一方面的第二种可能的实现方式中,物理层从介质访问控制MAC子层接收第一分配信息之后,还可以包括:物理层确定第一远端射频模块RRU以及第二RRU,第一RRU的上行信号强度值大于或等于预设阈值,第二RRU的上行信号强度值小于预设阈值;物理层从第一RRU接收新传数据并根据新传数据获得循环冗余校验CRC结果。该第一方面的第二种可能的实现方式,将一个物理小区中物理层对应的RRU根据上行数据信号强度区分为第一RRU和第二RRU,可以确保第一RRU对应的物理层接收效率最好,进而根据第一RRU接收的数据获取的CRC结果准确率最高。
可选的,结合第一方面的第二种可能的实现方式,在第一方面的第三种可能的实现方式中,物理层从第一RRU接收新传数据并根据新传数据获得循环冗余校验CRC结果之后,还可以包括:当物理层确定CRC结果不正确,且第一资源在第二时刻未被分配给第二终端时,物理层向第一RRU发送非自适应重传指令和干扰序列,非自适应重传指令用于指示第一终端通过第一资源向第一RRU发送重传数据,干扰序列用于干扰新传指令并使得第一终端无法接收新传指令。该第一方面的第三种可能的实现方式,物理层通过第一RRU向第一终端发送非自适应重传指令和干扰序列两种指令,可以确保当CRC结果不正确,且第一资源在第二时刻未被分配给第二终端时,由于该干扰序列能够将第二RRU向第一终端发送的新传指令完全干扰,从而第一终端能够接收到的指令只有非自适应重传指令。
可选的,结合第一方面的第二种可能的实现方式,在第一方面的第四种可能的实现方式中,物理层从第一RRU接收新传数据并根据新传数据获得循环冗余校验CRC结果之后,还可以包括:当物理层确定CRC结果不正确,且第一资源在第二时刻被分配给第二终端时,物理层向第一RRU发送挂起指令和干扰序列,挂起指令用于指示第一终端不发送数据,干扰序列用于干扰新传指令并使得第一终端无法接收新传指令。该第一方面的第四种可能的实现方式,物理层通过第一RRU向第一终端发送挂起指令和干扰序列两种指令,可以确保当CRC结果不正确,且第一资源在第二时刻被分配给第二终端时,由于该干扰序列能够将第二RRU向第一终端发送的新传指令完全干扰,从而第一终端能够接收到的指令只有挂起指令。
可选的,结合第一方面的第二种可能的实现方式,在第一方面的第五种可能的实现方式中,物理层确定第一远端射频模块RRU以及第二RRU之后,还可以包括:当物理层确定第一资源在第二时刻未被分配给第二终端时,物理层向第二RRU发送非自适应重传指令和新传指令,非自适应重传指令用于指示第一终端通过第一资源向第二RRU发送重传数据, 新传指令用于指示第一终端通过第二资源向第二RRU发送新传数据,第二资源的位置通过指示信息指示。该第一方面的第五种可能的实现方式,物理层通过第二RRU向第一终端发送非自适应重传和新传指令两种指令,可以确保当CRC结果不正确,且第一资源在第二时刻未被分配给第二终端时,由于该新传指令被第一RRU向第一终端发送的干扰序列完全干扰,从而第一终端能够接收到的指令只有非自适应重传指令。
可选的,结合第一方面的第二种可能的实现方式,在第一方面的第六种可能的实现方式中,物理层确定第一远端射频模块RRU以及第二RRU之后,还可以包括:当物理层确定第一资源在第二时刻被分配给第二终端时,物理层向第二RRU发送挂起指令和新传指令,挂起指令用于指示第一终端不向第二RRU发送数据,新传指令用于指示第一终端通过第二资源向第二RRU发送新传数据,第二资源的位置通过指示信息指示。该第一方面的第六种可能的实现方式,物理层通过第二RRU向第一终端发送挂起指令和新传指令两种指令,可以确保当CRC结果不正确,且第一资源在第二时刻被分配给第二终端时,由于该新传指令被第一RRU向第一终端发送的干扰序列完全干扰,从而第一终端能够接收到的指令只有挂起指令。
可选的,结合第一方面的第二种可能的实现方式,在第一方面的第七种可能的实现方式中,物理层从第一RRU接收新传数据并根据新传数据获得循环冗余校验CRC结果之后,还可以包括:当物理层确定CRC结果正确时,物理层向第一RRU发送新传指令,新传指令用于指示第一终端通过第二资源向第一RRU发送新传数据,第二资源的位置通过指示信息指示。该第一方面的第七种可能的实现方式,物理层通过第一RRU向第一终端发送新传指令。当CRC结果正确,且第一资源在第二时刻未被分配给第一终端时,该第一终端收到第一RRU发送的新传指令以及第二RRU发送的新传指令与非自适应重传指令。这个时候第一RRU根据自身内部的判断机制根据新传指令以新传的方式传输数据,而忽略掉非自适应重传指令;当CRC结果正确,且第一资源在第二时刻被分配给第一终端时,该第一终端收到第一RRU发送的新传指令以及第二RRU发送的新传指令以及挂起指令。这个时候第一RRU根据新传指令以新传的方式传输数据,而忽略掉挂起指令。
可选的,结合第一方面的第一种可能的实现方式,在第一方面的第八种可能的实现方式中,物理层从介质访问控制MAC子层接收指示信息之后,还可以包括:当物理层确定第一资源在第二时刻未被分配给第二终端时,物理层向远端射频模块RRU发送非自适应重传指令,非自适应重传指令用于第一终端通过第一资源发送重传数据。在该第一方面的第八种可能的实现方式中,MAC子层在第二时刻没有给第一终端分配资源,因此在这里无法进行新传,物理层通过RRU向第一终端发送非自适应重传指令进行重传。
可选的,结合第一方面的第二种可能的实现方式,在第一方面的第九种可能的实现方式中,物理层从介质访问控制MAC子层接收指示信息之后,还可以包括:当物理层确定第一资源在第二时刻被分配给第二终端时,物理层向远端射频模块RRU发送挂起指令,挂起指令用于指示第一终端不向RRU发送数据。在该第一方面的第九种可能的实现方式中,MAC子层在第二时刻没有给第一终端分配资源,因此在这里无法进行新传,物理层通过RRU向第一终端发送挂起指令。
可选的,结合第一方面的第四种、第六种以及第九种可能的实现方式中任意一种可能的实现方式,在第一方面的第十种可能的实现方式中,还可以包括:物理层接收MAC子层发送的第二分配信息,第二分配信息用于指示MAC子层在第三时刻为第一终端分配的第三资源的位置,第三时刻与目标HARQ标识对应,且第三时刻与第一时刻、第二时刻为互不相同的时刻;物理层根据第二分配信息向第一终端发送自适应重传指令,自适应重传指令用于指示第一终端通过第三资源发送向物理层重传数据。在该第一方面的第十种可能的实现方式中,由于第一终端收到了挂起指令,在这种情况下第一终端需要重传的数据通过第三时刻MAC子层分配的资源进行重传。
本申请实施例第二方面提供了一种信息传输的方法,该方法可以包括:第二网络层向第一网络层发送第一分配信息,第一分配信息用于指示第二网络层在第一时刻为第一终端分配的第一资源的位置,第一时刻与目标混合自动重传请求HARQ标识对应;第二网络层在第二时刻向第一网络层发送指示信息,第二时刻与目标HARQ标识对应,且第一时刻与第二时刻为不同的时刻,指示信息用于指示第一资源在第二时刻是否被分配给第二终端,第二终端为不同于第一终端的任意一个终端。这种方法第二网络层在没有接收到CRC结果的情况下就能在第二时刻向第一网络层发送指示信息,对于HARQ进程的利用率比较高。
可选的,结合第二方面,在第二方面的第一种可能的实现方式中,第一网络层为物理层,第二网络层为MAC子层。
可选的,结合第二方面的第一种可能的实现方式,在第二方面的第二种可能的实现方式中,指示信息还用于指示在第二时刻为第一终端分配的第二资源的位置。
可选的,结合第二方面的第一种或第二种可能的实现方式,在第二方面的第三种可能的实现方式中,MAC子层向物理层发送第一分配信息之后,还可以包括:MAC子层接收物理层发送的循环冗余校验CRC结果;若MAC子层确定CRC结果不正确且第一资源在第二时刻被分配给第二终端时,MAC子层在第三时刻为第一终端分配第三资源,第三时刻与目标HARQ标识对应,且第三时刻与第一时刻、第二时刻为互不相同的时刻;MAC子层向物理层发送第二分配信息,第二分配信息用于指示MAC子层在第三时刻为第一终端分配的第三资源的位置。该第二方面的第三种可能的实现方式中,在第三时刻MAC层根据CRC结果不正确且第一资源在第二时刻被分配给第二终端可以判定该第一终端还有需要重传的数据,所以在第三时刻给第一终端分配第三资源。
可选的,结合第二方面的第一种或第二种可能的实现方式,在第二方面的第四种可能的实现方式中,MAC子层向物理层发送第一分配信息之前,还可以包括:MAC子层接收物理层发送的上传需求指令,上传需求指令用于指示第一终端上传数据;MAC子层在第一时刻根据上传需求指令为第一终端分配第一资源。该第二方面的第四种可能的实现方式中,MAC子层在给第一终端发送第一分配信息之前还接收到了上传需求指令,该上传需求指令用于表示第一终端有数据要上传,并包含了数据量的大小。该上传需求指令可以指示该MAC子层为第一终端上传数据分配资源。
本申请实施例第三方面提供了一种信息传输的第一装置,该第一装置可以包括:接收单元,用于从第二装置接收第一分配信息,第一分配信息用于指示所第二装置在第一时刻 为第一终端分配的第一资源的位置,第一时刻与目标混合自动重传请求HARQ标识对应;接收单元,还用于从第二装置接收指示信息,指示信息用于指示第一资源在第二时刻是否被分配给第二终端,第二时刻与目标HARQ标识对应,第二时刻与第一时刻为互不相同的时刻,第二终端为不同于第一终端的任意一个终端。这种方法第二装置在没有接收到CRC结果的情况下就能在第二时刻向第一装置发送指示信息,对于HARQ进程的利用率比较高。
可选的,结合第三方面,在第三方面的第一种可能的实现方式中,该第一装置还可以包括:确定单元,用于确定第一远端射频模块RRU以及第二RRU,第一RRU的上行信号强度值大于或等于预设阈值,第二RRU的上行信号强度值小于预设阈值;接收单元,还用于从第一RRU接收新传数据;获取单元,用于根据接收到单元接收到的新传数据获取循环冗余校验CRC结果。
可选的,结合第三方面的第一种可能的实现方式,在第三方面的第二种可能的实现方式中,该第一装置还可以包括:确定单元,还用于确定CRC结果不正确,且第一资源在第二时刻未被分配给第二终端;发送单元,用于确定单元确定CRC结果不正确,且第一资源在第二时刻未被分配给第二终端时,向第一RRU发送非自适应重传指令和干扰序列,非自适应重传指令用于指示第一终端通过第一资源向第一RRU发送重传数据,干扰序列用于干扰新传指令并使得第一终端无法接收新传指令。
可选的,结合第三方面的第一种可能的实现方式,在第三方面的第三种可能的实现方式中,该第一装置还可以包括:确定单元,还用于确定CRC结果不正确,且第一资源在第二时刻被分配给第二终端;发送单元,用于确定单元确定CRC结果不正确,且第一资源在第二时刻被分配给第二终端时,向第一RRU发送挂起指令和干扰序列,挂起指令用于指示第一终端不发送数据,干扰序列用于干扰新传指令并使得第一终端无法接收新传指令。
可选的,结合第三方面的第一种可能的实现方式,在第三方面的第四种可能的实现方式中,该第一装置还可以包括:确定单元,还用于确定第一资源在第二时刻未被分配给第二终端;发送单元,用于确定单元确定第一资源在第二时刻未被分配给第二终端时,向第二RRU发送非自适应重传指令和新传指令,非自适应重传指令用于指示第一终端通过第一资源向第二RRU发送重传数据,新传指令用于指示第一终端通过第二资源向第二RRU发送新传数据,第二资源的位置通过指示信息指示。
可选的,结合第三方面的第一种可能的实现方式,在第三方面的第五种可能的实现方式中,该第一装置还可以包括:确定单元,还用于确定第一资源在第二时刻被分配给第二终端;发送单元,用于确定单元确定第一资源在第二时刻被分配给第二终端时,向第二RRU发送挂起指令和新传指令,挂起指令用于指示第一终端不向第二RRU发送数据,新传指令用于指示第一终端通过第二资源向第二RRU发送新传数据,第二资源的位置通过指示信息指示。
可选的,结合第三方面的第一种可能的实现方式,在第三方面的第六种可能的实现方式中,该第一装置还可以包括:确定单元,还用于确定CRC结果正确;发送单元,用于确定单元确定CRC结果正确时,向第一RRU发送新传指令,新传指令用于指示第一终端通过第二资源向第一RRU发送新传数据,第二资源的位置通过指示信息指示。
可选的,结合第三方面,在第三方面的第七种可能的实现方式中,该第一装置还可以包括:确定单元,用于确定第一资源在第二时刻未被分配给第二终端;发送单元,用于确定单元确定第一资源在第二时刻未被分配给第二终端时,向远端射频模块RRU发送非自适应重传指令,非自适应重传指令用于第一终端通过第一资源发送重传数据。
可选的,结合第三方面的第一种可能实现方式,在第三方面的第八种可能的实现方式中,该第一装置还可以包括:确定单元,还用于确定第一资源在第二时刻被分配给第二终端;发送单元,用于根据确定单元确定第一资源在第二时刻被分配给第二终端时,向远端射频模块RRU发送挂起指令,挂起指令用于指示第一终端不向RRU发送数据。
可选的,结合第三方面的第三种、第五种以及第八种可能的实现方式中任意一种可能的实现方式,该第一装置还可以包括:接收单元,还用于接收第二装置发送的第二分配信息,第二分配信息用于指示第二装置在第三时刻为第一终端分配的第三资源的位置,第三时刻与目标HARQ标识对应,且第三时刻与第一时刻、第二时刻为互不相同的时刻;发送单元,还用于根据第二分配信息向第一终端发送自适应重传指令,自适应重传指令用于指示第一终端通过第三资源发送向第一装置重传数据。
本申请实施例第四方面提供了一种信息传输的第二装置,该第二装置可以包括:发送单元,用于向第一装置发送第一分配信息,第一分配信息用于指示第二装置在第一时刻为第一终端分配的第一资源的位置,第一时刻与目标混合自动重传请求HARQ标识对应;发送单元,还用于在第二时刻向第一装置发送指示信息,第二时刻与目标HARQ标识对应,且第一时刻与第二时刻为不同的时刻,指示信息用于指示第一资源在第二时刻是否被分配给第二终端,第二终端为不同于第一终端的任意一个终端。这种方法第二装置在没有接收到CRC结果的情况下就能在第二时刻向第一装置发送指示信息,对于HARQ进程的利用率比较高。
可选的,结合第四方面,在第四方面的第一种可能的实现方式中,该第二装置还可以包括:处理单元,用于在第二时刻为第一终端分配第二资源,指示信息还用于指示在第二时刻为第一终端分配的第二资源的位置。
可选的,结合第四方面或第四方面的第一种可能的实现方式,在第四方面的第二种可能的实现方式中,该第二装置还可以包括:接收单元,用于接收第一装置发送的循环冗余校验CRC结果;确定单元,用于确定接收单元接收到的CRC结果不正确且第一资源在第二时刻被分配给第二终端;处理单元,还用于确定单元确定CRC结果不正确且第一资源在第二时刻被分配给第二终端时,在第三时刻为第一终端分配第三资源,第三时刻与目标HARQ标识对应,且第三时刻与第一时刻、第二时刻为互不相同的时刻;发送单元,还用于向第一装置发送第二分配信息,第二分配信息用于指示第二装置在第三时刻为第一终端分配的第三资源的位置。
可选的,结合第四方面或第四方面的第一种可能的实现方式,在第四方面的第三种可能的实现方式中,该第二装置还可以包括:接收单元,用于接收第一装置发送的上传需求指令,上传需求指令用于指示第一终端上传数据;处理单元,还用于在第一时刻根据上传需求指令为第一终端分配第一资源。
本申请实施例第五方面提供了一种信息传输的设备,包括:存储器,用于存储计算机 程序;处理器,用于执行所述存储器中存储的计算机程序,以使得所述设备执行以上第一方面及第一方面任一种可能的实现方式的信息传输的方法。
本申请实施例第六方面提供了一种信息传输的设备,包括:存储器,用于存储计算机程序;处理器,用于执行所述存储器中存储的计算机程序,以使得所述设备执行以上第二方面及第二方面任一种可能的实现方式的信息传输的方法。
本申请实施例第七方面提供了一种计算机可读存储介质,包括计算机程序,当其在计算机上运行时,使得所述计算机执行以上第一方面及第一方面任一种可能的实现方式的信息传输的方法。
本申请实施例第八方面提供了一种计算机可读存储介质,包括计算机程序,当其在计算机上运行时,使得所述计算机执行以上第二方面及第一二方面任一种可能的实现方式的信息传输的方法。
本申请实施例提供了一种信息传输的方法、装置及设备,该方法可以包括:第二网络层向第一网络层发送第一分配信息,该第一分配信息用于指示第二网络层在第一时刻为第一终端分配的第一资源的位置,第一时刻与目标HARQ标识对应;第一网络层从第二网络层接收第一分配信息;第二网络层在第二时刻向第一网络层发送指示信息,第二时刻与目标HARQ标识对应,且第一时刻与第二时刻为不同的时刻,指示信息用于指示第一资源在第二时刻是否未被分配给所述第二终端;第一网络层从第二网络层接收指示信息;这种方法第二网络层在没有接收到CRC结果的情况下就能在第二时刻向第一网络层发送指示信息,对于HARQ进程的利用率比较高。
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图10为本申请实施例提供的一种信息传输的第二装置的一个实施例。
具体实施方式
基于本申请中的实施例,本领域技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别 类似的对象,而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换,以便这里描述的实施例能够以除了在这里图示或描述的内容以外的顺序实施。此外,术语“包括”和“具有”以及他们的任何变形,意图在于覆盖不排他的包含,例如,包含了一系列步骤或模块的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或模块,而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或模块。在本申请中提到的“新传”也可以称作为“初传”,意在表示数据的第一次传输,并不限于描述的方式。本申请中提到的“第一网络层”与“第二网络层”并不意味着有特定的顺序,可以有其他称谓,不局限于描述的方式。
在实际的通信网络中,大多数多RRU小区都是采用的基于松耦合的架构,松耦合架构下的基站与基站通过网络连接,信号从一个基站到另一个基站中间可能需要其他设备的中转,而紧耦合的架构中,信号是直接从一个基站发送到另一个基站,所以基于松耦合的架构相较于紧耦合的架构而言传输时延比较大。
针对于松耦合架构下传输时延比较大的问题,目前在数据上行的过程中一种处理方式是MAC子层只进行新传数据资源的分配,而不进行重传资源的分配。在数据继续向高层重传的过程中,当高层发现新传数据出错时,通过高层重传来进行纠错。这种方式在重传的时候没有经过MAC子层,因此MAC子层无法将新传数据与重传数据进行对比进而获得重传的合并增益。通过高层重传需要MAC子层接收到物理层发送的新传数据之后将该新传数据发送给高层,然后高层判断新传数据是否出错。在数据上行过程中新传数据需要经过物理层,再经过MAC子层传输到高层,高层判断数据是否出错,若出错再将重传数据从物理层发送到高层。这个过程传输次数比较多,消耗的时间比较长,对用户的实际体验速率影响比较大。
另一种处理方式是,MAC子层在第一时刻给新传数据分配了第一资源,第一时刻为目标HARQ标识对应的时刻。MAC子层向物理层发送第一分配信息,该第一分配信息用于指示第一资源的位置。物理层接收到第一分配信息之后,向对应的RRU发送新传数据指令,RRU将新传数据指令发送给第一终端。该第一终端接收到新传数据指令之后,通过第一资源将新传数据向该RRU发送。该RRU接收到新传数据之后将新传数据发送给物理层,物理层再根据新传数据进行CRC校验并得到CRC结果。物理层将CRC结果上报给MAC子层。
由于在松耦合架构下传输时延比较大,从物理层发出新传指令到接收新传数据,再将CRC结果上报给MAC子层的过程需要一段时间。由于HARQ进程是循环出现的,比如说,在一个进程周期里面包含了8个HARQ进程,第一HARQ进程、第二HARQ进程……第八HARQ进程。随着时间推进,第八HARQ进程结束之后,第一HARQ进程又接着出现。具体来说,若第一时刻对应的是在第一进程周期中的第一HARQ进程,那么第二时刻对应的则是在第一进程周期之后相邻的第二进程周期中的第一HARQ进程。在第二时刻MAC子层还没收到CRC结果,就会将第二进程周期中的第一HARQ进程挂起。这种方式MAC子层必须要等到接收到CRC结果之后才分配资源进而发送指示信息,在没收到CRC结果的时候HARQ进程都挂起,对于HARQ进程的浪费比较严重。
针对以上两种现有技术的问题,本申请实施例提供了一种信息传输的方法,如图1所 示,该方法可以包括:
101、发送第一分配信息。
第二网络层向第一网络层发送第一分配信息,该第一分配信息用于指示第二网络层在第一时刻为第一终端分配的第一资源的位置,第一时刻与目标HARQ标识对应。在一个物理小区中只存在一个第二网络层,但是一个第二网络层可以对应多个第一网络层。在实际生产中,第二网络层和任意一个与它对应的第一网络层之间可能还存在其他设备或模块对两者进行连接或信号传输,也可能不存在,此处不做限制。第二网络层与第一网络层可以存在于一个实体设备上,也可能分布在不同的实体设备上,此处不做限制。第一终端上传数据时通过该第一资源传输数据。该第一网络层可以为物理层,也可以为其他可以接收第一分配信息的网络层,这里不做限制。第二网络层可以为MAC子层,也可以为其他可以发送第一分配信息的网络层,这里不做限制。
在第二网络层发送该第一分配信息之后,第一网络层接收第二网络层发送的第一分配信息。
102、发送指示信息。
第二网络层在第二时刻向第一网络层发送指示信息,第二时刻与目标HARQ标识对应,且第一时刻与第二时刻为不同的时刻。由于HARQ进程是循环出现的,比如说,在一个进程周期可能里面包含了8个HARQ进程,第一HARQ进程、第二HARQ进程……第八HARQ进程。随着时间推进,在第一进程周期中的第八HARQ进程结束之后,紧接着,第二进程周期中的第一HARQ进程又接着出现。具体来说,若第一时刻对应的是在第一进程周期中的第一HARQ进程,那么第二时刻对应的则是在第一进程周期之后相邻的第二进程周期中的第一HARQ进程。指示信息用于指示第一资源在第二时刻是否被分配给第二终端,第二终端为不同于第一终端的任意一个终端。该第一网络层可以为物理层,也可以为其他可以接收指示信息的网络层,这里不做限制。第二网络层可以为MAC子层,也可以为其他可以发送指示信息的网络层,这里不做限制。
在第二网络层发送该指示信息之后,第一网络层从介质访问控制第二网络层接收指示信息。
本申请实施例提供的这种方法第二网络层在没有接收到CRC结果的情况下就能在第二时刻向第一网络层发送指示信息,而不会在第二时刻将对应的HARQ进程挂起,对于HARQ进程的利用率比较高。
如图2所示,本申请实施例提供了一种信息传输的方法,该方法可以包括:
201、发送上传需求指令。
在第一时刻之前物理层向MAC子层发送上传需求指令,该上传需求指令是该物理层接收到第一终端的上传需求之后向MAC子层发送的,该上传需求指令用于表示第一终端有数据要上传,并包含了数据量的大小。该上传需求指令可以指示该MAC子层为第一终端上传数据分配资源。
202、分配第一资源。
MAC子层在步骤201中接收到物理层发送的上传需求指令之后,在第一时刻给需要上 传数据的第一终端分配第一资源,该第一时刻与目标HARQ进程对应。该第一资源用于第一终端传输新传数据。由于物理层发送的上传需求指令包含了第一终端需要上传的数据量大小,MAC子层根据数据量大小可以确定需要几个进程给第一终端分配资源。在接收到上传需求指令之后,MAC子层可能在一个HARQ进程中就完成了分配资源,也有可能连续多个HARQ进程都在分配资源,此处不限制在接收到上传需求指令之后需要MAC子层在几个HARQ进程上分配资源。
203、发送第一分配信息。
MAC子层在步骤202中在第一时刻给第一终端分配了第一资源之后,向物理层发送第一分配信息。该第一分配信息用于指示MAC子层在步骤202中为第一终端分配的第一资源的位置。
在MAC子层发送第一分配信息之后,该物理层接收第一分配信息。
204、确定第一RRU以及第二RRU。
物理层确定第一RRU以及第二RRU。在一个物理小区中一个MAC子层对应多个物理层,每一个物理层分别对应一个RRU。MAC子层、物理层与RRU可以存在于一个实体设备上,也可能分布在不同的实体设备上,此处不做限制。每一个RRU对于第一终端的上行信号强度不一样,RRU的上行信号强度可以用信号与干扰加噪声比(signal to interference plus noise ratio,SINR)表示,也可以用参考信号接收功率(reference signal receiving power,RSRP)表示,也可以用其他能够表示上行信号强度参数表示。
RRU的上行信号强度数据是物理层采集之后上报给MAC子层,MAC子层根据所有物理层采集到对应RRU的上行信号强度参数判断哪一个RRU的上行信号强度最大,然后把最大的上行信号强度值作为预设阈值,判断上行信号的强度值大于或等于预设阈值的RRU为第一RRU,上行信号强度值小于该预设阈值的RRU为第二RRU。MAC子层确定第一RRU与第二RRU之后,将第一RRU与第二RRU的信息发送给物理层,物理层再确定对应的RRU是第一RRU或是第二RRU。
205、获得CRC结果。
在步骤204中,物理层确定了对应的RRU是第一RRU还是第二RRU,对应着第一RRU的物理层对第一RRU接收到第一终端发送的数据进行循环冗余校验获得CRC结果。
206、发送CRC结果。
在步骤205中,对应着第一RRU的物理层得到CRC结果之后,将CRC结果发送给MAC子层。由于本方案是基于松耦合架构下的信息传输,传输具有比较大的时延。因此,对应着第一RRU的物理层发送该CRC结果之后,一般都要在第二时刻之后MAC子层才能接收到该CRC结果。
207、分配第二资源。
MAC子层在第二时刻给第一终端分配第二资源,该第二时刻与目标HARQ标识对应,MAC子层不需要接收到物理层上报的CRC结果之后再分配第二资源,在步骤205中,物理层接收第一RRU发送的上传数据这个过程由于线路长短或者信号质量的原因导致得到CRC结果这个步骤可能是在第二时刻之前也有可能是在第二时刻之后,因此步骤205和步骤207没 有时间上的先后顺序。
208、发送指示信息。
步骤207中MAC子层在第二时刻分配了第二资源,然后MAC子层向物理层发送指示信息,该指示信息可以指示第二资源的位置。在第二时刻MAC子层还判断第一资源有没有被分配给第二终端,第二终端可以为除了第一终端之外的任意一个终端。该指示信息还用于指示第一资源在第二时刻是否被分配给第二终端。
209、发送非自适应重传指令和干扰序列。
对应第一RRU的物理层在接收到指示信息之后,根据指示信息判断第一资源在第二时刻是否被分配给第二终端,如果第一资源没有被分配给第二终端,第二终端为不同于第一终端的任意一个终端。即第一资源没有被分配给任何一个终端或者第一资源在第二时刻继续被分配了第一终端。在这两种情况下,物理层确定CRC结果是否正确,当CRC结果不正确时,该物理层向第一RRU发送非自适应重传指令(NACK)和干扰序列,在第一RRU收到该非自适应重传指令和干扰序列之后,该第一RRU将非自适应重传指令和干扰序列发送给第一终端。
在该第一RRU向第一终端发送非自适应重传指令的过程中,该非自适应重传指令可以通过物理混合自动重传指示(physical hybrid ARQ indicator channel,PHICH)信道发送,该非自适应重传指令用于指示第一终端通过第一资源向第一RRU发送重传数据。该干扰序列用于干扰新传指令(ULGRANT),使得第一终端无法接收新传指令。该干扰序列可以为新传指令的调制符号取反,但不限于只能是新传指令的调制符号取反,只要是能够干扰新传指令使得终端无法接收新传指令均可。该干扰序列通过物理下行控制(physical downlink control channel,PDCCH)信道发送。
在本申请实施例提供的方法中,物理层向第一RRU发送非自适应重传指令和干扰序列,然后第一RRU将非自适应重传指令和干扰序列转发给第一终端。该干扰序列可以干扰新传指令,使得第一终端无法接收到新传指令。该非自适应重传指令指示第一终端通过第一资源重传数据。
如图3所示,实施例三提供了一种信息传输的方法,该方法可以包括:
301、发送上传需求指令。
在第一时刻之前物理层向MAC子层发送上传需求指令,该上传需求指令是该物理层接收到第一终端的上传需求之后向MAC子层发送的,该上传需求指令用于表示第一终端有数据要上传,并包含了数据量的大小。该上传需求指令可以指示该MAC子层为第一终端上传数据分配资源。
302、分配第一资源。
MAC子层在步骤301中接收到物理层发送的上传需求指令之后,在第一时刻给需要上传数据的第一终端分配第一资源,该第一时刻与目标HARQ进程对应。该第一资源用于第一终端传输数据。由于物理层发送的上传需求指令包含了第一终端需要上传的数据量大小,MAC子层根据数据量大小可以确定需要几个进程给第一终端分配资源。在接收到上传需求指令之后,MAC子层可能在一个HARQ进程中就完成了分配资源,也有可能连续多个HARQ 进程都在分配资源,此处不限制在接收到上传需求指令之后需要MAC子层在几个HARQ进程上分配资源。
303、发送第一分配信息。
MAC子层在步骤302中在第一时刻给第一终端分配了第一资源之后,向物理层发送第一分配信息。该第一分配信息用于指示MAC子层在步骤302中为第一终端分配的第一资源的位置。
在MAC子层发送第一分配信息之后,该物理层接收第一分配信息。
304、确定第一RRU以及第二RRU。
物理层确定第一RRU以及第二RRU。在一个物理小区中一个MAC子层对应多个物理层,每一个物理层分别对应一个RRU。MAC子层、物理层与RRU可以存在于一个实体设备上,也可能分布在不同的实体设备上,此处不做限制。每一个RRU对于第一终端的上行信号强度不一样,RRU的上行信号强度可以用信号与干扰加噪声比表示,也可以用参考信号接收功率表示,也可以用其他能够表示上行信号强度参数表示。
RRU的上行信号强度数据是物理层采集之后上报给MAC子层,MAC子层根据所有物理层采集到对应RRU的上行信号强度参数判断哪一个RRU的上行信号强度最大,然后把最大的上行信号强度值作为预设阈值,判断上行信号的强度值大于或等于预设阈值的RRU为第一RRU,上行信号强度值小于该预设阈值的RRU为第二RRU。MAC子层确定第一RRU与第二RRU之后,将第一RRU与第二RRU的信息发送给物理层,物理层再确定对应的RRU是第一RRU或是第二RRU。
305、获得CRC结果。
在步骤304中,物理层确定了对应的RRU是第一RRU还是第二RRU,对应着第一RRU的物理层根据第一RRU接收到终端发送的数据获得CRC结果。
306、发送CRC结果。
在步骤305中,对应着第一RRU的物理层得到CRC结果之后,将CRC结果发送给MAC子层。由于本方案是基于松耦合架构下的信息传输,由于传输具有比较大的时延。因此,对应着第一RRU的物理层发送该CRC结果之后,一般都要在第二时刻之后MAC子层才能接收到该CRC结果。
307、分配第二资源。
MAC子层在第二时刻给第一终端分配第二资源,该第二时刻与目标HARQ标识对应,MAC子层不需要接收到物理层上报的CRC结果之后再分配第二资源,在步骤305中,物理层接收第一RRU发送的上传数据这个过程由于线路长短或者信号质量的原因导致得到CRC结果这个步骤可能是在第二时刻之前也有可能是在第二时刻之后,因此步骤305和步骤307没有时间上的先后顺序。
308、发送指示信息。
步骤307中MAC子层在第二时刻分配了第二资源,然后MAC子层向物理层发送指示信息,该指示信息可以指示第二资源的位置。在第二时刻MAC子层还判断第一资源有没有被分配给第二终端,第二终端可以为除了第一终端之外的任意一个终端。该指示信息还用于 指示第一资源在第二时刻是否被分配给第二终端。
309、发送挂起指令和干扰序列。
对应第一RRU的物理层在接收到指示信息之后,根据指示信息判断第一资源在第二时刻是否被分配给第二终端,如果第一资源被分配给了第二终端,第二终端为和第一终端不相同的任意一个终端。在这种情况下,物理层确定CRC结果是否正确,当CRC结果不正确时,该物理层向第一RRU发送挂起指令(ACK)和干扰序列,在第一RRU收到挂起指令和干扰序列之后,该第一RRU将挂起指令和干扰序列发送给第一终端。
在第一RRU向第一终端发送挂起指令和干扰序列的过程中,该挂起指令(ACK)可以通过PHICH信道发送,该挂起指令用于指示第一终端不发送数据。该干扰序列用于干扰新传指令(ULGRANT),使得终端无法接收新传指令。该干扰序列可以为新传指令的调制符号取反,但不限于只能是新传指令的调制符号取反,只要是能够干扰新传指令使得终端无法接收新传指令均可。该干扰序列通过PDCCH信道发送。
310、分配第三资源。
MAC子层在第三时刻判断第一资源在第二时刻是否被分配给了第二终端,第二终端为与第一终端不相同的任意一个终端。该第三时刻与目标HARQ标识对应,第三时刻与第一时刻、第二时刻互不相同,第三时刻是在MAC子层接收到对应着第一RRU的物理层发送的CRC结果之后的。当在第三时刻时,MAC子层判断CRC结果不正确,且第一资源在第二时刻被分配给了第二终端时,MAC子层给第一终端分配第三资源。该第三资源用于第一终端发送重传数据。
311、发送第二分配信息。
在步骤310中MAC子层给第一终端分配了第三资源之后,MAC子层向所有物理层发送第二分配信息,该第二分配信息用于指示第三资源的位置。
312、发送自适应重传指令。
在物理层接收到MAC子层发送的第二分配信息之后,物理层向对应的RRU发送自适应重传指令(ULGRANT),在该自适应重传指令中网络设备接口(network device interface,NDI)不翻转。NDI为自适应重传指令中包含的内容,该NDI不翻转指示第一终端收到该自适应重传指令之后通过第三资源重传。RRU收到该自适应重传指令之后,将自适应重传指令发送给第一终端。第一RRU向第一终端发送该自适重传指令通过PDCCH信道发送,该自适应重传指令用于指示第一终端通过第三资源重传。
在本申请实施例提供的方法中,物理层向第一RRU发送挂起指令和干扰序列,然后第一RRU将挂起指令和干扰序列转发给第一终端,该干扰序列可以干扰新传指令,使得第一终端无法接收新传指令,第一终端收到挂起指令之后既不发送新传数据也不发送重传数据。在第三时刻,MAC子层给第一终端分配第三资源,然后将第三资源的位置发送给所有物理层,物理层收到第三资源的位置信息之后,将自适应重传指令发送给对应的RRU,RRU将该自适应重传指令转发给第一终端。第一终端收到该自适应重传指令之后通过第三资源进行自适应重传数据。
如图4所示,实施例四提供了一种信息传输的方法,该方法可以包括:
401、发送上传需求指令。
在第一时刻之前物理层向MAC子层发送上传需求指令,该上传需求指令是该物理层接收到第一终端的上传需求之后向MAC子层发送的,该上传需求指令用于表示第一终端有数据要上传,并包含了数据量的大小。该上传需求指令可以指示该MAC子层为第一终端上传数据分配资源。
402、分配第一资源。
MAC子层在步骤401中接收到物理层发送的上传需求指令之后,在第一时刻给需要上传数据的第一终端分配第一资源,该第一时刻与目标HARQ进程对应。该第一资源用于第一终端传输数据。由于物理层发送的上传需求指令包含了第一终端需要上传的数据量大小,MAC子层根据数据量大小可以确定需要几个进程给第一终端分配资源。在接收到上传需求指令之后,MAC子层可能在一个HARQ进程中就完成了分配资源,也有可能连续多个HARQ进程都在分配资源,此处不限制在接收到上传需求指令之后需要MAC子层在几个HARQ进程上分配资源。
403、发送第一分配信息。
MAC子层在步骤402中在第一时刻给第一终端分配了第一资源之后,向物理层发送第一分配信息。该第一分配信息用于指示MAC子层在步骤402中为第一终端分配的第一资源的位置。
在MAC子层发送第一分配信息之后,该物理层接收第一分配信息。
404、确定第一RRU以及第二RRU。
物理层确定第一RRU以及第二RRU。在一个物理小区中一个MAC子层对应多个物理层,每一个物理层分别对应一个RRU。MAC子层、物理层与RRU可以存在于一个实体设备上,也可能分布在不同的实体设备上,此处不做限制。每一个RRU对于第一终端的上行信号强度不一样,RRU的上行信号强度可以用信号与干扰加噪声比表示,也可以用参考信号接收功率表示,也可以用其他能够表示上行信号强度参数表示。
RRU的上行信号强度数据是物理层采集之后上报给MAC子层,MAC子层根据所有物理层采集到对应RRU的上行信号强度参数判断哪一个RRU的上行信号强度最大,然后把最大的上行信号强度值作为预设阈值,判断上行信号的强度值大于或等于预设阈值的RRU为第一RRU,上行信号强度值小于该预设阈值的RRU为第二RRU。MAC子层确定第一RRU与第二RRU之后,将第一RRU与第二RRU的信息发送给物理层,物理层再确定对应的RRU是第一RRU或是第二RRU。
由于第一RRU上行信号强度最大,对于上行数据的接收效率最高。所以是根据第一RRU接收到的第一终端的上行数据进行CRC检验而得到CRC结果的,而第二RRU虽然可能也可以接收到第一终端的上行数据,但是在这里不根据第二RRU接收到的数据进行CRC校验。
405、分配第二资源。
MAC子层在第二时刻给第一终端分配第二资源,该第二时刻与目标HARQ标识对应,MAC子层不需要接收到物理层上报的CRC结果之后再分配第二资源。
406、发送指示信息。
步骤405中MAC子层在第二时刻分配了第二资源,然后MAC子层向物理层发送指示信息,该指示信息可以指示第二资源的位置。在第二时刻MAC子层还判断第一资源在第二时刻有没有被分配给第二终端,第二终端可以为除了第一终端之外的任意一个终端。该指示信息还用于指示第一资源在第二时刻是否被分配给第二终端。
407、发送非自适应重传指令和新传指令。
当对应着第二RRU的物理层收到指示信息之后,根据指示信息判断第一资源在第二时刻是否被分配给第二终端。当第一资源在第二时刻没有被分配给第二终端时,该物理层向第二RRU发送非自适应重传指令(NACK)和新传指令(ULGRANT)。第二RRU在接收到物理层发送的非自适应重传指令和新传指令之后,将该非自适应重传指令可以通过PHICH信道发送给第一终端,将该新传指令可以通过PDCCH信道发送给第一终端。
在本申请实施例提供的方法中,由于对应着第二RRU的物理层不根据第二RRU接收到的第一终端的上行数据进行CRC校验,因此无法得到CRC结果。所以无论CRC结果是否正确,对应着第二RRU的物理层在接收到MAC子层发送的指示信息之后,当第一资源在第二时刻没有被分配给第二终端时,都会给第二RRU发送非自适应重传指令和新传指令。
因此,当CRC结果错误,而且第一资源在第二时刻未被分配给第二终端时,第一终端会收到第二RRU发送的非自适应重传指令和新传指令,也会收到第一RRU发送的非自适应重传指令和干扰序列,具体参照实施例二。如实施例二所述,该干扰序列用于干扰新传指令,使得第一终端无法接收新传指令。第一RRU发送的干扰序列和第二RRU发送的新传指令互相干扰,对于第一终端来说,最终就只能接收到第一RRU和第二RRU发送的非自适应重传指令。第一终端收到非自适应重传指令之后通过第一资源进行重传。
如图5所示,实施例五提供了一种信息传输的方法,该方法可以包括:
501、发送上传需求指令。
在第一时刻之前物理层向MAC子层发送上传需求指令,该上传需求指令是该物理层接收到第一终端的上传需求之后向MAC子层发送的,该上传需求指令用于表示第一终端有数据要上传,并包含了数据量的大小。该上传需求指令可以指示该MAC子层为第一终端上传数据分配资源。
502、分配第一资源。
MAC子层在步骤501中接收到物理层发送的上传需求指令之后,在第一时刻给需要上传数据的第一终端分配第一资源,该第一时刻与目标HARQ进程对应。该第一资源用于第一终端传输数据。由于物理层发送的上传需求指令包含了第一终端需要上传的数据量大小,MAC子层根据数据量大小可以确定需要几个进程给第一终端分配资源。在接收到上传需求指令之后,MAC子层可能在一个HARQ进程中就完成了分配资源,也有可能连续多个HARQ进程都在分配资源,此处不限制在接收到上传需求指令之后需要MAC子层在几个HARQ进程上分配资源。
503、发送第一分配信息。
MAC子层在步骤502中在第一时刻给第一终端分配了第一资源之后,向物理层发送第一分配信息。该第一分配信息用于指示MAC子层在步骤502中为第一终端分配的第一资源 的位置。
在MAC子层发送第一分配信息之后,该物理层接收第一分配信息。
504、确定第一RRU以及第二RRU。
物理层确定第一RRU以及第二RRU。在一个物理小区中一个MAC子层对应多个物理层,每一个物理层分别对应一个RRU。MAC子层、物理层与RRU可以存在于一个实体设备上,也可能分布在不同的实体设备上,此处不做限制。每一个RRU对于第一终端的上行信号强度不一样,RRU的上行信号强度可以用信号与干扰加噪声比表示,也可以用参考信号接收功率表示,也可以用其他能够表示上行信号强度参数表示。
RRU的上行信号强度数据是物理层采集之后上报给MAC子层,MAC子层根据所有物理层采集到对应RRU的上行信号强度参数判断哪一个RRU的上行信号强度最大,然后把最大的上行信号强度值作为预设阈值,判断上行信号的强度值大于或等于预设阈值的RRU为第一RRU,上行信号强度值小于该预设阈值的RRU为第二RRU。MAC子层确定第一RRU与第二RRU之后,将第一RRU与第二RRU的信息发送给物理层,物理层再确定对应的RRU是第一RRU或是第二RRU。
由于第一RRU上行信号强度最大,对于上行数据的接收效率最高。所以是根据第一RRU接收到的第一终端的上行数据进行CRC检验而得到CRC结果的,而第二RRU虽然可能也可以接收到第一终端的上行数据,但是在这里不根据第二RRU接收到的数据进行CRC校验。
505、分配第二资源。
MAC子层在第二时刻给第一终端分配第二资源,该第二时刻与目标HARQ标识对应,MAC子层不需要接收到物理层上报的CRC结果之后再分配第二资源。
506、发送指示信息。
步骤505中MAC子层在第二时刻分配了第二资源,然后MAC子层向物理层发送指示信息,该指示信息可以指示第二资源的位置。在第二时刻MAC子层还判断第一资源在第二时刻有没有被分配给第二终端,第二终端可以为除了第一终端之外的任意一个终端。该指示信息还用于指示第一资源在第二时刻是否被分配给第二终端。
507、发送挂起指令和新传指令。
当对应着第二RRU的物理层接收到指示信息之后,根据指示信息判断第一资源在的人时刻是否被分配给第二终端。当第一资源在第二时刻被分配给第二终端时,该物理层向第二RRU发送挂起指令(ACK)和新传指令(ULGRANT)。第二RRU接收到物理层发送的挂起指令和新传指令之后,将该挂起指令可以通过PHICH信道发送给第一终端,将该新传指令可以通过PDCCH信道发送给第一终端。
508、分配第三资源。
MAC子层在第三时刻判断第一资源在第二时刻是否被分配给了第二终端,第二终端为与第一终端不相同的任意一个终端。该第三时刻与目标HARQ标识对应,第三时刻与第一时刻和第二时刻互不相同,第三时刻是在MAC子层接收到CRC结果之后的。当在第三时刻时,MAC子层判断CRC结果不正确,且第一资源在第二时刻被分配给了第二终端时,MAC子层给第一终端分配第三资源。该第三资源用于第一终端发送重传数据。
509、发送第二分配信息。
在步骤508中MAC子层给第一终端分配了第三资源之后,MAC子层向所有物理层发送第二分配信息,该第二分配信息用于指示第三资源的位置。
510、发送自适应重传指令。
在物理层接收到MAC子层发送的第二分配信息之后,所有物理层向对应的RRU发送自适应重传指令(ULGRANT),在该自适应重传指令中网络设备接口NDI不翻转。NDI为自适应重传指令中包含的内容,该NDI不翻转指示第一终端收到该自适应重传指令之后通过第三资源重传。RRU收到该自适应重传指令之后,将自适应重传指令发送给第一终端。RRU向第一终端发送该自适重传指令通过PDCCH信道发送,该自适应重传指令用于指示第一终端通过第三资源重传。
在本申请实施例提供的方法中,由于对应着第二RRU的物理层不根据第二RRU接收到的第一终端的上行数据进行CRC校验,因此无法得到CRC结果。所以无论CRC结果是否正确,对应着第二RRU的物理层在接收到MAC子层发送的指示信息之后,当第一资源在第二时刻被分配给第二终端时,都会给第二RRU发送挂起指令和新传指令。
因此,当CRC结果错误,而且第一资源在第二时刻被分配给第二终端时,第一终端会收到第二RRU发送的挂起指令和新传指令,也会收到第一RRU发送的挂起指令和干扰序列,具体参照实施例三。如实施例三所述,该干扰序列用于干扰新传指令,使得第一终端无法接收新传指令。第一RRU发送的干扰序列和第二RRU发送的新传指令互相干扰,对于第一终端来说,最终就只能接收到第一RRU和第二RRU发送的挂起指令。所以第一终端收到挂起指令之后,在这个时刻既不新传也不重传。等到MAC子层在第三时刻给第一终端分配了第三资源,第一终端再通过第三资源进行自适应重传数据。
如图6所示,实施例六提供了一种信息传输的方法,该方法可以包括:
601、发送上传需求指令。
在第一时刻之前物理层向MAC子层发送上传需求指令,该上传需求指令是该物理层接收到第一终端的上传需求之后向MAC子层发送的,该上传需求指令用于表示第一终端有数据要上传,并包含了数据量的大小。该上传需求指令可以指示该MAC子层为第一终端上传数据分配资源。
602、分配第一资源。
MAC子层在步骤601中接收到物理层发送的上传需求指令之后,在第一时刻给需要上传数据的第一终端分配第一资源,该第一时刻与目标HARQ进程对应。该第一资源用于第一终端传输数据。由于物理层发送的上传需求指令包含了第一终端需要上传的数据量大小,MAC子层根据数据量大小可以确定需要几个进程给第一终端分配资源。在接收到上传需求指令之后,MAC子层可能在一个HARQ进程中就完成了分配资源,也有可能连续多个HARQ进程都在分配资源,此处不限制在接收到上传需求指令之后需要MAC子层在几个HARQ进程上分配资源。
603、发送第一分配信息。
MAC子层在步骤602中在第一时刻给第一终端分配了第一资源之后,向物理层发送第 一分配信息。该第一分配信息用于指示MAC子层在步骤602中为第一终端分配的第一资源的位置。
604、确定第一RRU以及第二RRU。
物理层确定第一RRU以及第二RRU。在一个物理小区中一个MAC子层对应多个物理层,每一个物理层分别对应一个RRU。MAC子层、物理层与RRU可以存在于一个实体设备上,也可能分布在不同的实体设备上,此处不做限制。每一个RRU对于第一终端的上行信号强度不一样,RRU的上行信号强度可以用信号与干扰加噪声比表示,也可以用参考信号接收功率表示,也可以用其他能够表示上行信号强度参数表示。
RRU的上行信号强度数据是物理层采集之后上报给MAC子层,MAC子层根据所有物理层采集到对应RRU的上行信号强度参数判断哪一个RRU的上行信号强度最大,然后把最大的上行信号强度值作为预设阈值,判断上行信号的强度值大于或等于预设阈值的RRU为第一RRU,上行信号强度值小于该预设阈值的RRU为第二RRU。MAC子层确定第一RRU与第二RRU之后,将第一RRU与第二RRU的信息发送给物理层,物理层再确定对应的RRU是第一RRU或是第二RRU。
605、获得CRC结果。
在步骤604中,物理层确定了对应的RRU是第一RRU还是第二RRU,对应着第一RRU的物理层根据第一RRU接收到终端发送的数据获得CRC结果。
606、发送CRC结果。
在步骤605中,对应着第一RRU的物理层得到CRC结果之后,将CRC结果发送给MAC子层。由于本方案是基于松耦合架构下的信息传输,由于传输具有比较大的时延。因此,对应着第一RRU的物理层发送该CRC结果之后,一般都要在第二时刻之后MAC子层才能接收到该CRC结果。
607、分配第二资源。
MAC子层在第二时刻给第一终端分配第二资源,该第二时刻与目标HARQ标识对应,MAC子层不需要接收到物理层上报的CRC结果之后再分配第二资源,在步骤605中,物理层接收第一RRU发送的上传数据这个过程由于线路长短或者信号质量的原因导致得到CRC结果这个步骤可能是在第二时刻之前也有可能是在第二时刻之后,因此步骤605和步骤607没有时间上的先后顺序。
608、发送指示信息。
步骤607中MAC子层在第二时刻分配了第二资源,然后MAC子层向物理层发送指示信息,该指示信息可以指示第二资源的位置。在第二时刻MAC子层还判断第一资源有没有被分配给第二终端,第二终端可以为除了第一终端之外的任意一个终端。该指示信息还用于指示第一资源在第二时刻是否被分配给第二终端。
609、发送新传指令。
当对应第一RRU的物理层在接收到指示信息之后,根据指示信息获得第二资源的位置信息。然后该物理层判断CRC结果是否正确,当该CRC结果正确时,该物理层向第一RRU发送新传指令(ULGRANT)。该新传指令可以通过PDCCH信道发送,用于指示第一终端通过 第二资源进行新传。
本申请实施例提供的方法中,当CRC结果正确时,该第一RRU向第一终端发送新传指令。当第一资源在第二时刻没有被分给第二终端时,第二RRU向第一终端发送非自适应重传指令和新传指令,具体参照实施例四。由于对应着第二RRU的物理层不根据第二RRU接收到的第一终端的上行数据进行CRC校验,因此无法得到CRC结果。因此,无论CRC结果是正确还是错误,第二RRU都会向第一终端发送非自适应重传指令和新传指令。即当CRC结果正确,且第一资源在第二时刻没有被分给第二终端时,该第一终端会收到第一RRU的新传指令以及第二RRU发送的非自适应重传指令和新传指令。由于终端内部存在这样的判断机制,当第一终端既收到新传指令又收到非自适应重传指令时,第一终端以收到的新传指令为准,即根据新传指令通过第二资源进行新传数据传输。
类似的,当第一资源在第二时刻被分给了第二终端时,第二RRU向第一终端发送挂起指令和新传指令,具体参照实施例五。由于对应着第二RRU的物理层不根据第二RRU接收到的第一终端的上行数据进行CRC校验,因此无法得到CRC结果。因此,无论CRC结果是正确还是错误,第二RRU都会向第一终端发送非自适应重传指令和新传指令。即当CRC结果正确,且第一资源在第二时刻被分给了第二终端时,该第一终端会收到第一RRU发送的新传指令以及第二RRU发送的挂起指令和新传指令。由于终端内部存在这样的判断机制,当第一终端既收到新传指令又收到挂起指令时,第一终端以收到的新传指令为准,即根据新传指令通过第二资源进行新传数据传输。
如图7所示,实施例七提供了一种信息传输的方法,该方法可以包括:
701、发送上传需求指令。
在第一时刻之前物理层向MAC子层发送上传需求指令,该上传需求指令是该物理层接收到第一终端的上传需求之后向MAC子层发送的,该上传需求指令用于表示第一终端有数据要上传,并包含了数据量的大小。该上传需求指令可以指示该MAC子层为第一终端上传数据分配资源。
702、分配第一资源。
MAC子层在步骤701中接收到物理层发送的上传需求指令之后,在第一时刻给需要上传数据的第一终端分配第一资源,该第一时刻与目标HARQ进程对应。该第一资源用于第一终端传输数据。由于物理层发送的上传需求指令包含了第一终端需要上传的数据量大小,MAC子层根据数据量大小可以确定需要几个进程给第一终端分配资源。在接收到上传需求指令之后,MAC子层可能在一个HARQ进程中就完成了分配资源,也有可能连续多个HARQ进程都在分配资源,此处不限制在接收到上传需求指令之后需要MAC子层在几个HARQ进程上分配资源。
703、发送第一分配信息。
MAC子层在步骤702中在第一时刻给第一终端分配了第一资源之后,向物理层发送第一分配信息。该第一分配信息用于指示MAC子层在步骤702中为第一终端分配的第一资源的位置。
704、发送指示信息。
MAC子层向物理层发送指示信息,在本实施例中,MAC子层在第二时刻没有给第一终端分配资源。可能是由于在步骤701中MAC子层接收到的上传需求指令中包含的数据量在第二时刻之前就已经上传完毕了,因此在第二时刻对应的目标HARQ进程上没有数据需要继续上传了,也有可能是其他原因在第二时刻MAC子层给第一终端分配资源失败。具体是由于何种原因导致MAC子层在第二时刻没有给第一终端分配资源在这里不做限制。所以,在第二时刻MAC子层只判断了第一资源有没有被分配给第二终端,第二终端可以为除了第一终端之外的任意一个终端。该指示信息仅用于指示第一资源在第二时刻是否被分配给第二终端。
705、发送非自适应重传指令。
当物理层接收到指示信息之后,根据指示信息判断第一资源在第二时刻是否被分配给了第二终端,当第一资源在第二时刻没有被分配给第二终端时,物理层向RRU发送非自适应重传指令(NACK),该非自适应重传指令可以通过PHICH信道发送,用于指示第一终端通过第一资源进行重传。
本申请实施例提供的方法中,由于在第二时刻MAC子层没有给第一终端分配资源,因此是无法安排第一终端进行新传的,即使CRC结果正确也没有资源进行新传,所以不需要根据CRC结果是否正确进行区分,因而不需要区分第一RRU与第二RRU,在这种情况下,当第一资源在第二时刻没有被分配给第二终端时,所有物理层都向对应的RRU发送非自适应重传指令,RRU收到非自适应重传指令之后,将该非自适应重传指令发送给第一终端,第一终端收到非自适应重传指令之后通过第一资源进行数据重传。
如图8所示,实施例八提供了一种信息传输的方法,该方法可以包括:
801、发送上传需求指令。
在第一时刻之前物理层向MAC子层发送上传需求指令,该上传需求指令是该物理层接收到第一终端的上传需求之后向MAC子层发送的,该上传需求指令用于表示第一终端有数据要上传,并包含了数据量的大小。该上传需求指令可以指示该MAC子层为第一终端上传数据分配资源。
802、分配第一资源。
MAC子层在步骤801中接收到物理层发送的上传需求指令之后,在第一时刻给需要上传数据的第一终端分配第一资源,该第一时刻与目标HARQ进程对应。该第一资源用于第一终端传输数据。由于物理层发送的上传需求指令包含了第一终端需要上传的数据量大小,MAC子层根据数据量大小可以确定需要几个进程给第一终端分配资源。在接收到上传需求指令之后,MAC子层可能在一个HARQ进程中就完成了分配资源,也有可能连续多个HARQ进程都在分配资源,此处不限制在接收到上传需求指令之后需要MAC子层在几个HARQ进程上分配资源。
803、发送第一分配信息。
MAC子层在步骤802中在第一时刻给第一终端分配了第一资源之后,向物理层发送第一分配信息。该第一分配信息用于指示MAC子层在步骤802中为第一终端分配的第一资源的位置。
804、确定第一RRU以及第二RRU。
物理层确定第一RRU以及第二RRU。在一个物理小区中一个MAC子层对应多个物理层,每一个物理层分别对应一个RRU。MAC子层、物理层与RRU可以存在于一个实体设备上,也可能分布在不同的实体设备上,此处不做限制。每一个RRU对于第一终端的上行信号强度不一样,RRU的上行信号强度可以用信号与干扰加噪声比表示,也可以用参考信号接收功率表示,也可以用其他能够表示上行信号强度参数表示。
RRU的上行信号强度数据是物理层采集之后上报给MAC子层,MAC子层根据所有物理层采集到对应RRU的上行信号强度参数判断哪一个RRU的上行信号强度最大,然后把最大的上行信号强度值作为预设阈值,判断上行信号的强度值大于或等于预设阈值的RRU为第一RRU,上行信号强度值小于该预设阈值的RRU为第二RRU。MAC子层确定第一RRU与第二RRU之后,将第一RRU与第二RRU的信息发送给物理层,物理层再确定对应的RRU是第一RRU或是第二RRU。
805、获得CRC结果。
在步骤804中,物理层确定了对应的RRU是第一RRU还是第二RRU,对应着第一RRU的物理层根据第一RRU接收到终端发送的数据获得CRC结果。
806、发送CRC结果。
在步骤805中,对应着第一RRU的物理层得到CRC结果之后,将CRC结果发送给MAC子层。由于本方案是基于松耦合架构下的信息传输,由于传输具有比较大的时延。因此,对应着第一RRU的物理层发送该CRC结果之后,一般都要在第二时刻之后MAC子层才能接收到该CRC结果。
807、发送指示信息。
MAC子层向物理层发送指示信息,在本实施例中,MAC子层在第二时刻没有给第一终端分配资源。可能是由于在步骤801中MAC子层接收到的上传需求指令中包含的数据量在第二时刻之前就已经上传完毕了,因此在第二时刻对应的目标HARQ进程上没有数据需要继续上传了,也有可能是其他原因在第二时刻MAC子层给第一终端分配资源失败。具体是由于何种原因导致MAC子层在第二时刻没有给第一终端分配资源在这里不做限制。所以,在第二时刻MAC子层只判断了第一资源有没有被分配给第二终端,第二终端可以为除了第一终端之外的任意一个终端。该指示信息仅用于指示第一资源在第二时刻是否被分配给第二终端。
808、发送挂起指令。
当物理层接收到指示信息之后,根据指示信息判断第一资源在第二时刻是否被分配给了第二终端,当第一资源在第二时刻被分配给第二终端时,所有物理层都向对应的RRU发送挂起指令(ACK),RRU收到挂起指令之后,将挂起指令发送给第一终端,该挂起指令用于指示终端既不发送新传数据也不发送重传数据。
809、分配第三资源。
MAC子层在第三时刻判断第一资源在第二时刻是否被分配给了第二终端,第二终端为与第一终端不相同的任意一个终端。该第三时刻与目标HARQ标识对应,第三时刻与第一时 刻、第二时刻互不相同,第三时刻是在MAC子层接收到对应着第一RRU的物理层发送的CRC结果之后的。当在第三时刻时,MAC子层判断CRC结果不正确,且第一资源在第二时刻被分配给了第二终端时,MAC子层给第一终端分配第三资源。该第三资源用于第一终端发送重传数据。
810、发送第二分配信息。
在步骤810中MAC子层给第一终端分配了第三资源之后,MAC子层向所有物理层发送第二分配信息,该第二分配信息用于指示第三资源的位置。
811、发送自适应重传指令。
在物理层接收到MAC子层发送的第二分配信息之后,物理层向所有RRU发送自适应重传指令(ULGRANT),在该自适应重传指令中网络设备接口NDI不翻转。NDI为自适应重传指令中包含的内容,该NDI不翻转指示第一终端收到该自适应重传指令之后通过第三资源重传。RRU收到该自适应重传指令之后,将自适应重传指令发送给第一终端。RRU向第一终端发送该自适重传指令通过PDCCH信道发送,该自适应重传指令用于指示第一终端通过第三资源重传。
本申请实施例提供的方法中,由于在第二时刻MAC子层没有给第一终端分配资源,因此是无法安排第一终端进行新传的,即使CRC结果正确也没有资源进行新传,所以不需要根据CRC结果是否正确进行区分,在这种情况下,当第一资源在第二时刻被分配给第二终端时,所有物理层都向对应的RRU发送挂起指令,RRU收到挂起指令之后,将该挂起指令发送给第一终端,第一终端收到挂起指令之后既不新传又不重传。
在第三时刻之前,MAC子层接收到了对应着第一RRU的物理层发送的CRC结果。当MAC子层判断CRC结果不正确,且第一资源在第二时刻被分配给第二终端时,该MAC子层在第三时刻给第一终端分配第三资源,该第三时刻对应着目标HARQ标识,且第三时刻与第一时刻、第二时刻互不相同。然后MAC子层将包含了第三资源位置信息的第二分配信息发送给所有物理层,所有物理层向RRU发送自适应重传指令。RRU收到自适应重传指令之后将自适应重传指令转发给第一终端。第一终端收到该自适应重传指令之后通过第三资源进行数据重传。
如图9所示,实施例九提供了一种信息传输的第一装置,该第一装置及其对应的单元用于执行实施例一至实施例八中第一网络层或物理层执行的步骤,执行过程以及相应的有益效果具体请参照实施例一至实施例八进行理解,此处不再赘述。该第一装置可以包括:
接收单元901,用于从第二装置接收第一分配信息,第一分配信息用于指示所第二装置在第一时刻为第一终端分配的第一资源的位置,第一时刻与目标混合自动重传请求HARQ标识对应;还用于从第二装置接收指示信息,指示信息用于指示第一资源在第二时刻是否被分配给第二终端,第二时刻与目标HARQ标识对应,第二时刻与第一时刻为互不相同的时刻,第二终端为不同于第一终端的任意一个终端;还用于从第一RRU接收新传数据;还用于接收第二装置发送的第二分配信息,第二分配信息用于指示第二装置在第三时刻为第一终端分配的第三资源的位置,第三时刻与目标HARQ标识对应,且第三时刻与第一时刻、第二时刻为互不相同的时刻。
获取单元902,用于根据所述接收到单元901接收到的所述新传数据获取循环冗余校验CRC结果。
确定单元903,用于确定第一远端射频模块RRU以及第二RRU,第一RRU的上行信号强度值大于或等于预设阈值,第二RRU的上行信号强度值小于预设阈值;还用于确定CRC结果不正确,且第一资源在第二时刻未被分配给第二终端;还用于确定CRC结果不正确,且第一资源在第二时刻被分配给第二终端;还用于确定第一资源在第二时刻未被分配给第二终端;还用于确定第一资源在第二时刻被分配给第二终端;还用于确定CRC结果正确;还用于确定第一资源在第二时刻未被分配给第二终端;还用于确定第一资源在第二时刻被分配给第二终端。
发送单元904,用于确定单元903确定CRC结果不正确,且第一资源在第二时刻未被分配给第二终端时,向第一RRU发送非自适应重传指令和干扰序列;还用于确定单元903确定CRC结果不正确,且第一资源在第二时刻被分配给第二终端时,向第一RRU发送挂起指令和干扰序列;还用于确定单元903确定第一资源在第二时刻未被分配给第二终端时,向第二RRU发送非自适应重传指令和新传指令;还用于确定单元903确定第一资源在第二时刻被分配给第二终端时,向第二RRU发送挂起指令和新传指令;还用于确定单元903确定CRC结果正确时,向第一RRU发送新传指令;还用于确定单元903确定第一资源在第二时刻未被分配给第二终端时,向远端射频模块RRU发送非自适应重传指令;还用于根据确定单元903确定第一资源在第二时刻被分配给第二终端时,向远端射频模块RRU发送挂起指令;还用于根据第二分配信息向第一终端发送自适应重传指令。
如图10所示,实施例十提供了一种信息传输的第二装置,该第二装置及其对应的单元用于执行实施例一至实施例八中第二网络层或MAC子层执行的步骤,执行过程以及相应的有益效果具体请参照实施例一至实施例八进行理解,此处不再赘述。该第二装置可以包括:
发送单元1001,用于向第一装置发送第一分配信息,第一分配信息用于指示第二装置在第一时刻为第一终端分配的第一资源的位置,第一时刻与目标混合自动重传请求HARQ标识对应;还用于在第二时刻向第一装置发送指示信息,第二时刻与目标HARQ标识对应,且第一时刻与第二时刻为不同的时刻,指示信息用于指示第一资源在第二时刻是否被分配给第二终端,第二终端为不同于第一终端的任意一个终端;还用于向第一装置发送第二分配信息,第二分配信息用于指示第二装置在第三时刻为第一终端分配的第三资源的位置。
接收单元1002,用于接收第一装置发送的循环冗余校验CRC结果;还用于接收第一装置发送的上传需求指令,上传需求指令用于指示第一终端上传数据。
确定单元1003,用于确定接收单元1002接收到的CRC结果不正确且第一资源在第二时刻被分配给第二终端。
处理单元1004,用于在第二时刻为第一终端分配第二资源;还用于在第一时刻根据上传需求指令为第一终端分配第一资源;还用于确定单元1003确定CRC结果不正确且第一资源在第二时刻被分配给第二终端时,在第三时刻为第一终端分配第三资源,第三时刻与目标HARQ标识对应,且第三时刻与第一时刻、第二时刻为互不相同的时刻。
以上对本申请实施例所提供的一种信息传输的方法及装置进行了详细介绍,本文中应 用了具体个例对本申请的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本申请的方法及其核心思想;同时,对于本领域的一般技术人员,依据本申请的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本申请的限制。尽管参照前述实施例对本申请进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本申请各实施例技术方案的精神和范围。

Claims (34)

  1. 一种信息传输的方法,其特征在于,所述方法包括:
    第一网络层从第二网络层接收第一分配信息,所述第一分配信息用于指示所第二网络层在第一时刻为第一终端分配的第一资源的位置,所述第一时刻与目标混合自动重传请求HARQ标识对应;
    所述第一网络层从第二网络层接收指示信息,所述指示信息用于指示所述第一资源在第二时刻是否被分配给第二终端,所述第二时刻与所述目标HARQ标识对应,所述第二时刻与所述第一时刻为互不相同的时刻,所述第二终端为不同于所述第一终端的任意一个终端。
  2. 根据权利要求1所述的方法,其特征在于,所述第一网络层为物理层,所述第二网络层为介质访问控制MAC子层。
  3. 根据权利要求2所述的方法,其特征在于,所述物理层从介质访问控制MAC子层接收第一分配信息之后,所述方法还包括:
    所述物理层确定第一远端射频模块RRU以及第二RRU,所述第一RRU的上行信号强度值大于或等于预设阈值,所述第二RRU的所述上行信号强度值小于所述预设阈值;
    所述物理层从所述第一RRU接收新传数据并根据所述新传数据获得循环冗余校验CRC结果。
  4. 根据权利要求3所述的方法,其特征在于,所述物理层从所述第一RRU接收新传数据并根据所述新传数据获得循环冗余校验CRC结果之后,所述方法还包括:
    当所述物理层确定所述CRC结果不正确,且所述第一资源在所述第二时刻未被分配给所述第二终端时,所述物理层向所述第一RRU发送非自适应重传指令和干扰序列,所述非自适应重传指令用于指示所述第一终端通过所述第一资源向所述第一RRU发送重传数据,所述干扰序列用于干扰新传指令并使得所述第一终端无法接收所述新传指令。
  5. 根据权利要求3所述的方法,其特征在于,所述物理层从所述第一RRU接收新传数据并根据所述新传数据获得循环冗余校验CRC结果之后,所述方法还包括:
    当所述物理层确定所述CRC结果不正确,且所述第一资源在所述第二时刻被分配给所述第二终端时,所述物理层向所述第一RRU发送挂起指令和干扰序列,所述挂起指令用于指示第一终端不发送数据,所述干扰序列用于干扰新传指令并使得所述第一终端无法接收所述新传指令。
  6. 根据权利要求3所述的方法,其特征在于,所述物理层确定第一远端射频模块RRU以及第二RRU之后,所述方法还包括:
    当所述物理层确定所述第一资源在所述第二时刻未被分配给所述第二终端时,所述物理层向所述第二RRU发送非自适应重传指令和新传指令,所述非自适应重传指令用于指示所述第一终端通过所述第一资源向所述第二RRU发送重传数据,所述新传指令用于指示所述第一终端通过第二资源向所述第二RRU发送新传数据,所述第二资源的位置通过所述指示信息指示。
  7. 根据权利要求3所述的方法,其特征在于,所述物理层确定第一远端射频模块RRU以及第二RRU之后,所述方法还包括:
    当所述物理层确定所述第一资源在所述第二时刻被分配给所述第二终端时,所述物理层向所述第二RRU发送挂起指令和新传指令,所述挂起指令用于指示所述第一终端不向所述第二RRU发送数据,所述新传指令用于指示所述第一终端通过第二资源向所述第二RRU发送新传数据,所述第二资源的位置通过所述指示信息指示。
  8. 根据权利要求3所述的方法,其特征在于,所述物理层从所述第一RRU接收新传数据并根据所述新传数据获得循环冗余校验CRC结果之后,所述方法还包括:
    当所述物理层确定所述CRC结果正确时,所述物理层向所述第一RRU发送新传指令,所述新传指令用于指示所述第一终端通过第二资源向所述第一RRU发送新传数据,所述第二资源的位置通过所述指示信息指示。
  9. 根据权利要求2所述的方法,其特征在于,所述物理层从介质访问控制MAC子层接收指示信息之后,所述方法还包括:
    当所述物理层确定所述第一资源在所述第二时刻未被分配给所述第二终端时,所述物理层向远端射频模块RRU发送非自适应重传指令,所述非自适应重传指令用于所述第一终端通过所述第一资源发送所述重传数据。
  10. 根据权利要求3所述的方法,其特征在于,所述物理层从介质访问控制MAC子层接收指示信息之后,还包括:
    当所述物理层确定所述第一资源在所述第二时刻被分配给所述第二终端时,所述物理层向远端射频模块RRU发送挂起指令,所述挂起指令用于指示所述第一终端不向所述RRU发送数据。
  11. 根据权利要求5、7以及10中的任一项所述的方法,其特征在于,所述方法还包括:
    所述物理层接收所述MAC子层发送的第二分配信息,所述第二分配信息用于指示所述MAC子层在第三时刻为所述第一终端分配的第三资源的位置,所述第三时刻与所述目标HARQ标识对应,且所述第三时刻与所述第一时刻、所述第二时刻为互不相同的时刻;
    所述物理层根据所述第二分配信息向所述第一终端发送自适应重传指令,所述自适应重传指令用于指示所述第一终端通过所述第三资源发送向所述物理层所述重传数据。
  12. 一种信息传输的方法,其特征在于,所述方法包括:
    第二网络层向第一网络层发送第一分配信息,所述第一分配信息用于指示所述第二网络层在第一时刻为第一终端分配的第一资源的位置,所述第一时刻与目标混合自动重传请求HARQ标识对应;
    所述第二网络层在第二时刻向所述第一网络层发送指示信息,所述第二时刻与所述目标HARQ标识对应,且所述第一时刻与所述第二时刻为不同的时刻,所述指示信息用于指示所述第一资源在所述第二时刻是否被分配给第二终端,所述第二终端为不同于所述第一终端的任意一个终端。
  13. 根据权利要求12所述的方法,其特征在于,所述第一网络层为物理层,所述第二网络层为MAC子层。
  14. 根据权利要求13所述的方法,其特征在于,所述指示信息还用于指示在所述第二时刻为所述第一终端分配的第二资源的位置。
  15. 根据权利要求13或14所述的方法,其特征在于,所述MAC子层向物理层发送第一分配信息之后,还包括:
    所述MAC子层接收所述物理层发送的循环冗余校验CRC结果;
    若所述MAC子层确定所述CRC结果不正确且所述第一资源在所述第二时刻被分配给所述第二终端时,所述MAC子层在第三时刻为所述第一终端分配第三资源,所述第三时刻与所述目标HARQ标识对应,且所述第三时刻与所述第一时刻、所述第二时刻为互不相同的时刻;
    所述MAC子层向所述物理层发送第二分配信息,所述第二分配信息用于指示所述MAC子层在所述第三时刻为所述第一终端分配的所述第三资源的位置。
  16. 根据权利要求13或14所述的方法,其特征在于,所述MAC子层向物理层发送所述第一分配信息之前,还包括:
    所述MAC子层接收所述物理层发送的上传需求指令,所述上传需求指令用于指示所述第一终端上传数据;
    所述MAC子层在所述第一时刻根据所述上传需求指令为所述第一终端分配所述第一资源。
  17. 一种信息传输的第一装置,其特征在于,所述第一装置包括:
    接收单元,用于从第二装置接收第一分配信息,所述第一分配信息用于指示所第二装置在第一时刻为第一终端分配的第一资源的位置,所述第一时刻与目标混合自动重传请求HARQ标识对应;
    所述接收单元,还用于从第二装置接收指示信息,所述指示信息用于指示所述第一资源在第二时刻是否被分配给第二终端,所述第二时刻与所述目标HARQ标识对应,所述第二时刻与所述第一时刻为互不相同的时刻,所述第二终端为不同于所述第一终端的任意一个终端。
  18. 根据权利要求17所述的第一装置,其特征在于,所述第一装置还包括:
    确定单元,用于确定第一远端射频模块RRU以及第二RRU,所述第一RRU的上行信号强度值大于或等于预设阈值,所述第二RRU的所述上行信号强度值小于所述预设阈值;
    所述接收单元,还用于从所述第一RRU接收新传数据;
    获取单元,用于根据所述接收到单元接收到的所述新传数据获取循环冗余校验CRC结果。
  19. 根据权利要求18所述的第一装置,其特征在于,所述第一装置还包括:
    所述确定单元,还用于确定所述CRC结果不正确,且所述第一资源在所述第二时刻未被分配给所述第二终端;
    发送单元,用于所述确定单元确定所述CRC结果不正确,且所述第一资源在所述第二时刻未被分配给所述第二终端时,向所述第一RRU发送非自适应重传指令和干扰序列,所述非自适应重传指令用于指示所述第一终端通过所述第一资源向所述第一RRU发送重传数据,所述干扰序列用于干扰新传指令并使得所述第一终端无法接收所述新传指令。
  20. 根据权利要求18所述的第一装置,其特征在于,所述第一装置还包括:
    所述确定单元,还用于确定所述CRC结果不正确,且所述第一资源在所述第二时刻被分配给所述第二终端;
    发送单元,用于所述确定单元确定所述CRC结果不正确,且所述第一资源在所述第二时刻被分配给所述第二终端时,向所述第一RRU发送挂起指令和干扰序列,所述挂起指令用于指示第一终端不发送数据,所述干扰序列用于干扰新传指令并使得所述第一终端无法接收所述新传指令。
  21. 根据权利要求18所述的第一装置,其特征在于,所述第一装置还包括:
    所述确定单元,还用于确定所述第一资源在所述第二时刻未被分配给所述第二终端;
    发送单元,用于所述确定单元确定所述第一资源在所述第二时刻未被分配给所述第二终端时,向所述第二RRU发送非自适应重传指令和新传指令,所述非自适应重传指令用于指示所述第一终端通过所述第一资源向所述第二RRU发送重传数据,所述新传指令用于指示所述第一终端通过第二资源向所述第二RRU发送新传数据,所述第二资源的位置通过所述指示信息指示。
  22. 根据权利要求18所述的第一装置,其特征在于,所述第一装置还包括:
    所述确定单元,还用于确定所述第一资源在所述第二时刻被分配给所述第二终端;
    发送单元,用于所述确定单元确定所述第一资源在所述第二时刻被分配给所述第二终端时,向所述第二RRU发送挂起指令和新传指令,所述挂起指令用于指示所述第一终端不向所述第二RRU发送数据,所述新传指令用于指示所述第一终端通过第二资源向所述第二RRU发送新传数据,所述第二资源的位置通过所述指示信息指示。
  23. 根据权利要求18所述的第一装置,其特征在于,所述第一装置还包括:
    所述确定单元,还用于确定所述CRC结果正确;
    发送单元,用于所述确定单元确定所述CRC结果正确时,向所述第一RRU发送新传指令,所述新传指令用于指示所述第一终端通过第二资源向所述第一RRU发送新传数据,所述第二资源的位置通过所述指示信息指示。
  24. 根据权利要求17所述的第一装置,其特征在于,所述第一装置还包括:
    确定单元,用于确定所述第一资源在所述第二时刻未被分配给所述第二终端;
    发送单元,用于所述确定单元确定所述第一资源在所述第二时刻未被分配给所述第二终端时,向远端射频模块RRU发送非自适应重传指令,所述非自适应重传指令用于所述第一终端通过所述第一资源发送所述重传数据。
  25. 根据权利要求18所述的第一装置,其特征在于,所述第一装置还包括:
    所述确定单元,还用于确定所述第一资源在所述第二时刻被分配给所述第二终端;
    发送单元,用于根据所述确定单元确定所述第一资源在所述第二时刻被分配给所述第二终端时,向远端射频模块RRU发送挂起指令,所述挂起指令用于指示所述第一终端不向所述RRU发送数据。
  26. 根据权利要求20、22以及25中任一项所述的第一装置,其特征在于,所述方法还包括:
    所述接收单元,还用于接收所述第二装置发送的第二分配信息,所述第二分配信息用 于指示所述第二装置在第三时刻为所述第一终端分配的第三资源的位置,所述第三时刻与所述目标HARQ标识对应,且所述第三时刻与所述第一时刻、所述第二时刻为互不相同的时刻;
    所述发送单元,还用于根据所述第二分配信息向所述第一终端发送自适应重传指令,所述自适应重传指令用于指示所述第一终端通过所述第三资源发送向所述第一装置所述重传数据。
  27. 一种信息传输的第二装置,其特征在于,所述第二装置包括:
    发送单元,用于向第一装置发送第一分配信息,所述第一分配信息用于指示所述第二装置在第一时刻为第一终端分配的第一资源的位置,所述第一时刻与目标混合自动重传请求HARQ标识对应;
    所述发送单元,还用于在第二时刻向所述第一装置发送指示信息,所述第二时刻与所述目标HARQ标识对应,且所述第一时刻与所述第二时刻为不同的时刻,所述指示信息用于指示所述第一资源在所述第二时刻是否被分配给第二终端,所述第二终端为不同于所述第一终端的任意一个终端。
  28. 根据权利要求27所述的第二装置,其特征在于,所述第二装置还包括:
    处理单元,用于在第二时刻为所述第一终端分配第二资源,所述指示信息还用于指示在所述第二时刻为所述第一终端分配的第二资源的位置。
  29. 根据权利要求27或28所述的第二装置,其特征在于,所述第二装置还包括:
    接收单元,用于接收所述第一装置发送的循环冗余校验CRC结果;
    确定单元,用于确定所述接收单元接收到的所述CRC结果不正确且所述第一资源在所述第二时刻被分配给所述第二终端;
    所述处理单元,还用于所述确定单元确定所述CRC结果不正确且所述第一资源在所述第二时刻被分配给所述第二终端时,在第三时刻为所述第一终端分配第三资源,所述第三时刻与所述目标HARQ标识对应,且所述第三时刻与所述第一时刻、所述第二时刻为互不相同的时刻;
    所述发送单元,还用于向所述第一装置发送第二分配信息,所述第二分配信息用于指示所述第二装置在所述第三时刻为所述第一终端分配的所述第三资源的位置。
  30. 根据权利要求27或28所述的第二装置,其特征在于,所述第二装置还包括:
    接收单元,用于接收所述第一装置发送的上传需求指令,所述上传需求指令用于指示所述第一终端上传数据;
    所述处理单元,还用于在所述第一时刻根据所述上传需求指令为所述第一终端分配所述第一资源。
  31. 一种信息传输的设备,其特征在于,包括:
    存储器,用于存储计算机程序;
    处理器,用于执行所述存储器中存储的计算机程序,以使得所述设备执行如权利要求1至11中任一项所述的信息传输的方法。
  32. 一种信息传输的设备,其特征在于,包括:
    存储器,用于存储计算机程序;
    处理器,用于执行所述存储器中存储的计算机程序,以使得所述设备执行如权利要求12至16中任一项所述的信息传输的方法。
  33. 一种计算机可读存储介质,包括计算机程序,当其在计算机上运行时,使得所述计算机执行如权利要求1至11中任一项所述的信息传输的方法。
  34. 一种计算机可读存储介质,包括计算机程序,当其在计算机上运行时,使得所述计算机执行如权利要求12至16中任一项所述的信息传输的方法。
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106301444A (zh) * 2015-05-29 2017-01-04 华为技术有限公司 射频处理设备及处理方法
CN107343297A (zh) * 2016-05-01 2017-11-10 上海朗帛通信技术有限公司 一种无线通信中的方法和装置
CN108337072A (zh) * 2017-12-26 2018-07-27 上海华为技术有限公司 一种上行数据调度方法以及相关设备
US10141991B2 (en) * 2016-10-07 2018-11-27 Qualcomm Incorporated Adaptive codeword and codeblock selection in wireless communications

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7996744B2 (en) * 2007-04-30 2011-08-09 Nokia Corporation Method and apparatus for providing a data retransmission scheme
CN102111250A (zh) * 2009-12-28 2011-06-29 华为技术有限公司 数据传输的方法和网络侧设备
CN108075874B (zh) * 2017-12-22 2020-04-28 上海华为技术有限公司 一种资源调度方法及基站

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106301444A (zh) * 2015-05-29 2017-01-04 华为技术有限公司 射频处理设备及处理方法
CN107343297A (zh) * 2016-05-01 2017-11-10 上海朗帛通信技术有限公司 一种无线通信中的方法和装置
US10141991B2 (en) * 2016-10-07 2018-11-27 Qualcomm Incorporated Adaptive codeword and codeblock selection in wireless communications
CN108337072A (zh) * 2017-12-26 2018-07-27 上海华为技术有限公司 一种上行数据调度方法以及相关设备

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