WO2015154310A1 - 一种控制信道资源分配方法及装置 - Google Patents
一种控制信道资源分配方法及装置 Download PDFInfo
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- WO2015154310A1 WO2015154310A1 PCT/CN2014/075211 CN2014075211W WO2015154310A1 WO 2015154310 A1 WO2015154310 A1 WO 2015154310A1 CN 2014075211 W CN2014075211 W CN 2014075211W WO 2015154310 A1 WO2015154310 A1 WO 2015154310A1
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- subframe
- phich
- subframes
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- pusch
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- 238000000034 method Methods 0.000 title claims abstract description 103
- 238000013468 resource allocation Methods 0.000 title claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 58
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- 108010053085 Complement Factor H Proteins 0.000 claims description 5
- 238000010295 mobile communication Methods 0.000 abstract description 2
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- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements 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
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements 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
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1861—Physical mapping arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
Definitions
- the present invention relates to the field of mobile communication technologies, and in particular, to a method and an apparatus for allocating control channel resources. Background technique
- the uplink transmission of the TDD (Time Division Multiplex) system is time-multiplexed.
- the TDD system of LTE (Long Term Evolution) defines seven uplink and downlink subframe ratios, as shown in Table 1.
- the uplink and downlink subframe ratios can be applied to scenarios with different uplink and downlink service requirements.
- the subframes of the TDD system can be classified into three types: an uplink subframe, a downlink subframe, and a special subframe.
- D represents a downlink subframe
- S represents a special subframe
- U represents an uplink subframe. It can be seen from Table 1 that in the TDD system, some of the subframes in one radio frame are uplink subframes, and some subframes are downlink subframes. In other words, part of the duration of one radio frame is used for uplink transmission, and part of the duration is used for downlink transmission.
- the structure of the special subframe is as shown in FIG. 1.
- the special subframe includes DwPTS (Downlink Pilot Time Slot), GP (Guard Period), and UpPTS (Uplink). Pilot Time Slot, Upstream Pilot Time Slot) 3 parts.
- the DwPTS portion is used for downlink transmission, for example, control channel, data channel, synchronization signal, and transmission of pilot signals.
- the GP part acts as a guard interval and does not perform uplink and downlink transmission.
- the UpPTS part is used to transmit an uplink SRS (Sounding Reference Signal) or a PRACH (Physical Random Access Channel).
- part of the duration of one radio frame is used for uplink transmission, and part of the duration is used for downlink transmission. Since the uplink and downlink subframes work in time division duplex mode, for UE (User Experience, user equipment), it can be used for uplink. The number of subframes in which data is transmitted is limited. In other words, this time division method will result in a small throughput (data transfer per unit time) of the system. Summary of the invention
- the embodiments of the present invention provide a method and a device for allocating control channel resources, which are used to solve the problem that the time-division mode in the prior art causes the uplink of the system to be small.
- a method for allocating control channel resources includes:
- the user equipment UE sends a physical uplink shared channel PUSCH in the current special subframe
- the UE Determining, by the UE, the physical hybrid automatic repeat request indication channel (PHICH) resource corresponding to the PUSCH according to the uplink resource that is used to transmit the PUSCH, where the uplink resource of the PUSCH includes the current special subframe;
- PHICH physical hybrid automatic repeat request indication channel
- the UE receives the PHICH at the determined PHICH resource.
- the determining, by the UE, the PHICH resource corresponding to the PUSCH, according to the uplink resource that is used to transmit the PUSCH includes:
- the UE root when the subframe of the uplink resource that transmits the PUSCH is only the current special subframe, the UE root And determining, according to the uplink resource of the PUSCH, determining a subframe position of the PHICH resource corresponding to the PUSCH, where:
- the uplink and downlink subframe ratio is 6, the current special subframe is the subframe ⁇ , and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the subframe of the uplink resource that transmits the PUSCH includes the current special subframe and is bound to the current special subframe And determining, by the UE, the subframe position of the PHICH resource corresponding to the PUSCH, according to the uplink resource that is used by the UE to transmit the PUSCH, where:
- the cooperative subframe includes at least one uplink subframe and/or the wireless subframe in the current subframe where the current special subframe is located. Other special subframes in the frame except the current special subframe.
- the UE determines, according to an uplink resource that transmits the PUSCH, a PHICH corresponding to the PUSCH.
- the sub-frame positions of the resource include:
- determining, according to the last subframe L in the coordinated subframe, a subframe position of the PHICH resource corresponding to the PUSCH includes: :
- the uplink and downlink subframe ratio is 0, and when the special subframes 1 and 6 in one radio frame are bound to the subframes 2, 3, 4, 7, 8, and 9 in the radio frame, the PHICH resource is determined.
- the uplink and downlink subframe ratio is 2, when a special subframe 1 in a radio frame and a subframe in the radio frame 2 binding forms a first binding frame, and the special subframe 6 in the radio frame is bound to the subframe 7 in the radio frame to form a second binding frame: then the ⁇ according to the cooperative subframe
- the last subframe L, determining the subframe position of the PHICH resource corresponding to the PUSCH includes:
- the uplink and downlink subframe ratio is 3, when the special subframe 1 in one radio frame and the subframe 2 in the radio Binding with 3 to form a first binding frame, where the subframe 4 is bound to the special subframe 1 of the next radio frame and the subframe 2 in the next radio frame to form a second binding frame, where When the subframes 3 and 4 in the next radio frame are bound to form a third binding frame: the subframe of the PHICH resource corresponding to the PUSCH is determined according to the last subframe L in the coordinated subframe. Locations include:
- the third PHICH resource corresponding to the third binding frame is located after the last subframe L.
- determining, by using the subframe position, the PHICH group number of the PHICH resource includes:
- c ff is 0; determining the PHICH group number corresponding to the PUSCH by using the determined TMc ff .
- determining, by using the subframe position, the PHICH group number of the PHICH resource includes:
- the ratio of the uplink and downlink subframes is 6, the current special subframe is the subframe n, and the PHICH resource bits.
- the other subframes in the frame except the subframes 1 and 4 are corresponding to 0; the determined PHICH group number corresponding to the PUSCH is determined by using the determination.
- the second aspect provides a method for allocating control channel resources, where the method includes:
- the base station receives the physical uplink shared channel PUSCH in the current special subframe
- the base station Determining, by the base station, the physical hybrid automatic repeat request indication channel PHICH resource corresponding to the PUSCH, where the uplink resource includes the current special subframe;
- the base station transmits a PHICH at the determined PHICH resource.
- the determining, by the base station, the PHICH resource corresponding to the PUSCH, according to the uplink resource that receives the PUSCH includes:
- determining the subframe position of the PHICH resource corresponding to the PUSCH includes:
- the uplink and downlink subframe ratio is 6, the current special subframe is the subframe ⁇ , and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- a third possible implementation when the subframe of the uplink resource that transmits the PUSCH includes the current special subframe and is bound to the current special subframe And determining, by the base station, the subframe position of the PHICH resource corresponding to the PUSCH according to the uplink resource that receives the PUSCH:
- the cooperative subframe includes at least one uplink subframe in the radio frame where the current special subframe is located, and/or the wireless Other special subframes in the frame except the current special subframe.
- the base station determines, according to an uplink resource that receives the PUSCH, a PHICH corresponding to the PUSCH
- the sub-frame positions of the resource include:
- determining, according to the last subframe L in the coordinated subframe, a subframe position of the PHICH resource corresponding to the PUSCH includes: :
- the uplink and downlink subframe ratio is 0, and when the special subframes 1 and 6 in one radio frame are bound to the subframes 2, 3, 4, 7, 8, and 9 in the radio frame, the PHICH resource is determined.
- the ratio of the uplink and downlink subframes is 2, and the special subframe 1 in a radio frame is bound to the subframe 2 in the radio frame to form a first binding frame, the special subframe 6 in the radio frame and the radio frame.
- the subframe 7 is bound to form the second binding frame: the subframe position of the PHICH resource corresponding to the PUSCH is determined according to the last subframe L in the cooperation subframe, where:
- the uplink and downlink subframe ratio is 3, when the special subframe 1 in one radio frame and the subframe 2 in the radio Binding with 3 to form a first binding frame, in which the subframe 4 is bound to the special subframe 1 of the next radio frame and the subframe 2 in the next radio frame to form a second binding frame, the next When the subframes 3 and 4 in the radio frame are bound to form a third binding frame: the subframe position of the PHICH resource corresponding to the PUSCH is determined according to the last subframe L in the coordinated subframe. :
- determining, by using the subframe position, the PHICH group number of the PHICH resource includes:
- a user equipment where the user equipment includes:
- a sending unit configured to send a physical uplink shared channel PUSCH in the current special subframe
- a determining unit configured to determine, according to an uplink resource that transmits the PUSCH, the PUSCH pair The physical hybrid automatic retransmission request indication channel PHICH resource, where the uplink resource of the transmission PUSCH includes the current special subframe;
- a receiving unit configured to receive the PHICH at the determined PHICH resource.
- the determining unit includes: a subframe position determining module, configured to determine, according to an uplink resource that transmits the PUSCH,
- a resource group number determining module configured to determine, according to the subframe position, the PHICH resource
- the subframe position determining module when the subframe of the uplink resource that transmits the PUSCH is only the current special subframe, the subframe position determining module Also used for:
- the uplink and downlink subframe ratio is 6, the current special subframe is a subframe ⁇ , and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the subframe position determining module is further configured to determine, according to the cooperation subframe, a subframe position of the PHICH resource corresponding to the PUSCH.
- At least one uplink subframe in the radio frame and/or other special components in the radio frame except the current special subframe a subframe, determining a subframe position of the PHICH resource corresponding to the PUSCH.
- the subframe position determining module is further configured to use, according to a last one of the cooperative subframes One subframe L determines a subframe position of the PHICH resource corresponding to the PUSCH.
- the subframe position determining module is further configured to:
- the uplink and downlink subframe ratio is 0.
- special subframes 1 and 6 in a radio frame are bound to subframes 2, 3, 4, 7, 8, and 9 in the radio frame, it is determined that the PHICH resource is located.
- the uplink and downlink subframe ratio is 1, when special subframes 1 and 6 in a radio frame and the radio frame
- the uplink and downlink subframe ratio is 2, and when the special subframes 1 and 6 in a radio frame are bound to the subframes 2 and 7 in the radio frame, it is determined that the PHICH resource is located after the last subframe L.
- the ratio of the uplink and downlink subframes is 3.
- the uplink and downlink subframe ratio is 2, when a special subframe 1 in a radio frame and a subframe in the radio frame The binding is performed to form a first binding frame, and the special subframe 6 in the radio frame is bound to the subframe 7 in the radio frame to form a second binding frame: the subframe position determining module is further configured to:
- the uplink and downlink subframe ratio is 3, when the special subframe 1 in one radio frame and the subframe 2 in the radio Binding with 3 to form a first binding frame, where the subframe 4 is bound to the special subframe 1 of the next radio frame and the subframe 2 in the next radio frame to form a second binding frame, where When subframes 3 and 4 are bound in the next radio frame to form a third binding frame:
- the resource group number determining module is further configured to use, according to the subframe position corresponding to the PHICH resource, The PHICH group number corresponding to the PUSCH is determined by using a PHICH group number indicator.
- the resource group number determining module is further configured to:
- c ff is 0; determining the PHICH group number corresponding to the PUSCH by using the determined TMc ff .
- the resource group number determining module is further configured to:
- a base station where the base station includes:
- a receiving unit configured to receive a physical uplink shared channel PUSCH in the current special subframe
- a determining unit configured to determine, according to the uplink resource that receives the PUSCH, a physical hybrid automatic repeat request indication channel PHICH resource corresponding to the PUSCH, where the uplink resource includes the current special subframe;
- a transmission unit configured to transmit a PHICH at the determined PHICH resource.
- the determining unit includes: a subframe position determining module, configured to determine, according to an uplink resource that receives the PUSCH,
- a resource group number determining module configured to determine, according to the subframe position, the PHICH resource
- the subframe position determining module when the subframe of the uplink resource of the PUSCH is only the current special subframe, the subframe position determining module further uses In:
- the uplink and downlink subframe ratio is 6, the current special subframe is a subframe ⁇ , and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the subframe position determining module is further configured to determine, according to the cooperation subframe, a subframe position of the PHICH resource corresponding to the PUSCH.
- the subframe position determining module is further configured to: use the coordinated subframe to include at least one uplink subframe in the radio frame where the current special subframe is located, and/or other special subframes in the radio frame except the current special subframe. And determining a subframe position of the PHICH resource corresponding to the PUSCH.
- the subframe position determining module is further configured to use, according to a last one of the cooperative subframes One subframe L determines a subframe position of the PHICH resource corresponding to the PUSCH.
- the subframe position determining module is further configured to:
- the uplink and downlink subframe ratio is 0.
- special subframes 1 and 6 in a radio frame are bound to subframes 2, 3, 4, 7, 8, and 9 in the radio frame, it is determined that the PHICH resource is located.
- the uplink and downlink subframe ratio is 1, when the special subframes 1 and 6 in a radio frame are bound to the subframes 2, 3, 7, and 8 in the radio frame, determining that the PHICH resource is located in the last one.
- L 8
- K 6
- the uplink and downlink subframe ratio is 2, and when the special subframes 1 and 6 in a radio frame are bound to the subframes 2 and 7 in the radio frame, it is determined that the PHICH resource is located after the last subframe L.
- the ratio of the uplink and downlink subframes is 3.
- the ratio of the uplink and downlink subframes is 5, and when the special subframe 1 in one radio frame is bound to the subframe 2 in the radio frame, it is determined that the PHICH resource is located at the Kth after the last subframe L.
- the ratio of the uplink and downlink subframes is 2, and the special subframe 1 in a radio frame is bound to the subframe 2 in the radio frame to form a first binding frame, the special subframe 6 in the radio frame and the radio frame.
- the subframe position determining module is further configured to:
- the uplink and downlink subframe ratio is 3, when the special subframe 1 in one radio frame and the subframe 2 in the radio Binding with 3 to form a first binding frame, in which the subframe 4 is bound to the special subframe 1 of the next radio frame and the subframe 2 in the next radio frame to form a second binding frame, the next When the subframes 3 and 4 in the radio frame are bound to form a third binding frame: the subframe position determining module is further configured to:
- the resource group number determining module is further configured to use, according to the subframe position corresponding to the PHICH resource, The PHICH group number corresponding to the PUSCH is determined by using a PHICH group number indicator.
- the resource group number determining module is further configured to:
- the resource group number determining module is further configured to:
- the method and apparatus provided by the present invention use UpPTS for PUSCH transmission, which is equivalent to increasing the amount of uplink transmission data per unit time, thereby increasing the uplink throughput of the TDD system;
- the method for adjusting the PHICH group number corresponding to the PHICH resource is provided corresponding to the receiving location of the downlink PHICH, thereby providing a solution for the newly determined PUSCH resource PHICH resource to conflict with the original ratio.
- FIG. 1 is a schematic structural diagram of a special subframe in the prior art
- FIG. 2 is a schematic flowchart of a method for allocating a control channel resource according to a first embodiment of the present invention
- FIG. 3 is a schematic flowchart of a method for determining a PHICH resource corresponding to the PUSCH according to an embodiment of the present invention
- FIG. 4 is a schematic flowchart of a method for allocating a control channel resource according to Embodiment 4 of the present invention
- FIG. 5 is a schematic structural diagram of a user equipment according to an embodiment of the present invention
- FIG. 6 is a schematic structural diagram of a base station according to an embodiment of the present invention. detailed description
- the achievable solution is: Increase the strength by changing the length of the special time slots GP and UpPTS without changing the total length of the special subframe by 1 ms.
- the method provided by the embodiment of the present invention provides a solution for determining a location allocation and a time-frequency of a downlink Hybrid-Archistration Channel (Physical Hybrid-ARQ Indicator Channel) corresponding to a special subframe for uplink data transmission. Resources.
- Embodiment 1 As shown in FIG. 2, in response to the foregoing problem, an embodiment of the present invention provides a method for allocating a control channel resource, where the method includes:
- Step 201 The UE (User Experience, User Equipment) sends a PUSCH (Physical Uplink Shared Channel) in the current special subframe.
- PUSCH Physical Uplink Shared Channel
- the use of the special subframe transmission means that the UpPTS (Uplink Pilot Time Slot) in the special subframe is used as the subframe for transmitting the uplink data.
- UpPTS Uplink Pilot Time Slot
- Step 202 The UE determines, according to an uplink resource that is used to transmit the PUSCH, a PHICH resource corresponding to the PUSCH, where the uplink resource of the PUSCH includes the current special subframe.
- the transmitting The uplink resource of the PUSCH includes the UpPTS for transmitting the PUSCH, and may also include an uplink subframe (or a normal subframe called an uplink).
- the specific situation may be: A, the uplink resource may be an UpPTS in one special subframe; B, the uplink resource may be an UpPTS in multiple special subframes, such as two UpPTSs in one radio frame;
- the uplink resource may also include at least one UpPTS and at least one uplink subframe. In the case where the uplink resources are distributed in multiple subframes in the foregoing B and C, the multiple subframes may be referred to as a subframe.
- Step 203 Receive PHICH in the determined PHICH resource.
- the specific process of the HARQ of the uplink is: the transmitting UE pauses after transmitting a data packet to the receiving eNB through the PUSCH channel, and waits for the acknowledgment information of the eNB. After the data packet arrives at the receiving end eNB after a certain transmission delay, it is verified by the eNB. If the receiving is correct, the ACK information is fed back through the downlink control channel PHICH, and the received useful information is retained if the error is received. And feedback does not confirm (NACK) information. When the UE receives the ACK information, it transmits new data. Otherwise, it resends the last transmitted data packet, and the eNB combines the retransmitted data packet with the previously received data packet and jointly decodes it to improve the decoding accuracy.
- NACK confirm
- the uplink PUSCH is transmitted from the UE, and the eNB processes and feeds back the downlink PHICH.
- the UE receives and processes the PHICH information, it retransmits the PUSCH or transmits a new PUSCH, which is called an RTT (round trip time) of a HARQ process.
- RTT round trip time
- From transmitting the uplink PUSCH to receiving the downlink PHICH The time, considering the transmission delay and the eNB processing time, should not be less than 4ms; likewise, from receiving the downlink PHICH to the new transmission or retransmitting the uplink PUSCH, considering the transmission delay and the UE processing time, it should not be less than 4ms.
- the value of RTT is not less than 8ms.
- the PUSCH-based uplink resource may have multiple components and the characteristics of the HARQ technology. Therefore, in the embodiment of the present invention, the PHICH resource corresponding to the PUSCH is determined according to the uplink resource for transmitting the PUSCH.
- the main principles in the specific implementation are:
- the time from the receipt of the PHICH to the transmission of the PUSCH and the transmission of the PUSCH to the PHICH receiving the feedback are minimized while satisfying the minimum time processing requirements of the base station or UE, such as 3 ms.
- the above principles are only principles that can be referenced when designing UpPTS to transmit PUSCH. It is not a principle that must be met. Specifically, when designing UpPTS to transmit PUSCH, only some of the above principles can be considered, such as considering only the principles involving RTT, or considering the principles involving RTT and HARQ processes.
- the specific implementation steps of determining, by the UE in the step 102, the PHICH resource corresponding to the PUSCH according to the foregoing uplink resource of the PUSCH in the step 102 are as follows (as shown in FIG. 3):
- Step 301 The UE determines, according to the uplink resource that transmits the PUSCH, a subframe position of the PHICH resource corresponding to the PUSCH.
- Step 302 Determine a PHICH group number of the PHICH resource according to the subframe position, and determine, by using the subframe position and the PHICH group number, a PHICH resource corresponding to the PUSCH.
- the UE determines, according to the uplink resource of the PUSCH, the subframe position of the PHICH resource corresponding to the PUSCH, including:
- the uplink and downlink subframes are 0, and the current special subframe is the subframe n, and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the corresponding PHICH resource is determined to be located in the third subframe after the special subframe 1 or 6, wherein the specific value of the K value is as follows.
- Table 2 shows:
- the PUSCH transmitted on the 6, the UE receives the corresponding HARQ downlink PHICH feedback information in the 5th (the value corresponding to the intersection of the 4th row and the 8th column in Table 2) after the subframe 6 (ie, the UE is in the subframe n L1 receives the HARQ downlink PHICH feedback information corresponding to the PUSCH).
- determining that the PHICH resource is located in the fifth or tenth subframe after the current special subframe, avoiding receiving more than two PHICHs in one subframe, and minimizing changes to existing protocols It is better to meet the requirement that the time interval for transmitting the PUSCH to receive the PHICH meets the minimum processing time of the base station, and the transmission delay is small; or the time interval for transmitting the PUSCH after the PHICH satisfies the requirement of the minimum processing time of the UE, and the transmission delay is small.
- the transmission transmission delay is small.
- the ratio of the uplink and downlink subframes is 1, and the current special subframe is the subframe n, and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the corresponding PHICH resource is determined to be located in the K subframes after the special subframe 1 or 6, wherein the specific value of the K value is as follows. 3 shows:
- the UE receives the corresponding HARQ downlink PHICH feedback information in the 8th subframe after the subframe 1 (ie, in the determination
- the PHICH resource is determined to be located in the 8th subframe after the current special subframe, and the case where more than 2 PHICHs are received in one subframe is avoided, and the existing protocol is changed less; and the PUSCH is transmitted at the same time.
- the time interval to receive the PHICH is better to meet the minimum processing time of the base station, and the transmission delay is small.
- the uplink and downlink subframe ratio is 2, and the current special subframe is the subframe n, and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the corresponding PHICH resource is located in the Kth subframe after the special subframe 1, wherein the specific value of the K value is as shown in Table 6. :
- the corresponding PHICH resource is determined to be located in the Kth subframe after the special subframe 1, where the specific value of the K value is as follows. 7 shows:
- the uplink and downlink subframe ratio is 6, the current special subframe is the subframe ⁇ , and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the corresponding determined PHICH resource is located in the Kth subframe after the special subframe 1, wherein the specific value of the K value is as shown in Table 8. :
- each ratio corresponds to a plurality of ⁇ values, and the ⁇ value of each of the ratios selected has the same benefit as the ⁇ value selected by the ratio 0, for the same reason as the ⁇ value selected by the ratio 0. effect. I will not repeat them here.
- Tables 2 to 8 lists seven kinds of uplink and downlink subframes defined by a plurality of optional TDD systems of Long Term Evolution (LTE) in the case of one subframe ratio. Proportion, one of which can be the combination shown in Table 9:
- the uplink PUSCH can be transmitted by using a subframe bundling or TTI bundling.
- the PUSCH is transmitted in the manner that the UpPTS is bound to other uplink resources, which is equivalent to increasing the number of uplink data transmissions per unit time, thereby increasing the signal-to-noise ratio of uplink data reception and increasing the uplink coverage. Therefore, in the implementation of the current special subframe-bound cooperative subframe, the UE determines, according to the uplink resource of the PUSCH, the subframe position of the PHICH resource corresponding to the PUSCH, including:
- the cooperative subframe is: the special subframe that transmits the PUSCH and the other the coordinated subframe include at least one uplink subframe in the radio frame where the current special subframe is located, and/or the wireless Other special subframes in the frame except the current special subframe.
- the determining, by the UE, the subframe position of the PHICH resource corresponding to the PUSCH according to the subframe for transmitting the uplink PUSCH includes:
- the PUSCH corresponding to the last subframe L in the coordinated subframe is determined for each ratio.
- the subframe position of the PHICH resource can be implemented in detail:
- Manner 1 All the uplink subframes and the special subframes in a radio frame are bound to form one binding subframe, and one binding subframe corresponds to one HARQ process.
- the specific implementation may be:
- the uplink and downlink subframe ratio is 0.
- special subframes 1 and 6 in a radio frame are bound to subframes 2, 3, 4, 7, 8, and 9 in the radio frame,
- the PHICH resource is located in the Kth subframe after the last subframe L of the binding subframe, where
- the uplink and downlink subframe ratio is 0, when special subframes 1 and 6 in one radio frame are bound to subframes 2, 3, 4, 7, 8, and 9 in the radio frame.
- the PUSCH transmitted on the special subframe 1 receives the corresponding HARQ downlink PHICH feedback information in the sixth subframe after the subframe 9, that is, receives the HARQ downlink corresponding to the PUSCH in the subframe 5 of the next radio frame. PHICH feedback information.
- the bundled subframes can be regarded as a whole. Therefore, the PUSCH transmitted by using the special subframe can multiplex the subframe position of the original subframe 9 to receive the PHICH, so that the protocol modification can be minimized. Moreover, the time interval from the transmission of the PUSCH to the reception of the PHICH satisfies the minimum value of the minimum processing time (3 ms) of the base station, and the transmission delay is effectively reduced.
- the binding mode can implement three HARQ processes and/or PUTS transmission with an RTT of 30 ms.
- the transmission delay is generally 50 ms.
- the RTT value of the HARQ process is set to 30ms, which can effectively increase the time diversity gain of such delay-sensitive service transmission.
- the number of UpPTSs included in each HARQ process is the same, which reduces the complexity of the system (UE or base station) coordinating the processing of each HARQ process.
- the ratio of the uplink and downlink subframes is 1.
- the bound subframes can be regarded as a whole, so the special sub- The PUSCH transmitted by the frame can multiplex the subframe position of the original subframe 8 to receive the PHICH, and the time interval from the transmission of the PUSCH to the reception of the PHICH is a minimum value that satisfies the minimum processing time (3 ms) of the base station, thereby effectively reducing the transmission delay.
- the binding mode can implement two HARQ processes, an RTT of 20 ms or three HARQ processes, and a 30 ms PUSCH transmission.
- the general transmission delay requirement is about 50 ms
- the RTT value of the HARQ process is set to 20 ms or 30 ms to effectively increase the time diversity gain of the delay-sensitive service transmission.
- the number of UpPTSs included in each HARQ process is the same, which reduces the complexity of the system (UE or base station) coordinating the processing of each HARQ process.
- the PHICH resource is located in the sixth subframe after the current special subframe, and the time interval from the transmission of the PUSCH to the reception of the PHICH is a minimum value that satisfies the minimum processing time (3 ms) of the base station, and is effective. Reduced transmission delay.
- the corresponding RTU is 30ms PUSCH transmission.
- the general transmission delay is about 50ms, and the RTT value of the HARQ process is set.
- the time diversity gain of such delay sensitive service transmission can be effectively increased for 20ms or 30ms.
- the number of UpPTSs included in each HARQ process is the same, which reduces the complexity of the system (UE or base station) coordinating the processing of each HARQ process.
- the ratio of the uplink and downlink subframes is 5.
- the uplink and downlink subframe ratio is 6.
- the PHICH resource is located at the location.
- a radio frame includes two special sub-frames, and each special sub-frame can form a binding sub-frame.
- each binding sub-frame corresponds to a different HARQ process, the specific implementation may be:
- the uplink and downlink subframe ratio is 2, when a special subframe 1 in a radio frame is bound to the subframe 2 in the radio frame to form a first binding frame, and the special subframe 6 in the radio frame and the When the subframe 7 in the radio frame is bound to form the second binding frame: the subframe position of the PHICH resource corresponding to the PUSCH is determined according to the last subframe L in the coordinated subframe, where:
- the user equipment UE transmits the PUSCH in the special subframe 1 or 6, it is determined that the PHICH resource is located in the Kth subframe after the last subframe L of the binding subframe, where the K value
- the uplink and downlink subframe ratio is 2, when a special subframe 1 in a radio frame is bound to a subframe 2 in the radio frame to form a first binding frame, in a special subframe.
- the PUSCH transmitted on the UE the UE receives the corresponding HARQ downlink PHICH feedback in the fourth subframe after the subframe 2, and receives the subframe 6 on the radio frame.
- the fourth subframe after the frame 7 receives the corresponding HARQ downlink PHICH feedback information, that is, the HARQ downlink PHICH feedback information corresponding to the PUSCH transmitted on the special subframe 6, and is received on the subframe 1 of the next radio frame.
- the uplink and downlink subframe ratio is 3, when a special subframe 1 in a radio frame is bound to the subframes 2 and 3 in the radio to form a first binding frame, the subframe 4 and the next in the radio frame The special subframe 1 of the radio frame and the subframe 2 in the next radio frame are bound to form a second binding frame, and when the subframes 3 and 4 in the next radio frame are bound to form a third binding frame: Determining, according to the last subframe L in the coordinated subframe, the subframe position of the PHICH resource corresponding to the PUSCH includes:
- the bound subframes can be regarded as a whole, so the PUSCH transmitted by using the special subframe can reuse the original sub-frame.
- the frame receives the subframe position of the PHICH, and the time interval from the transmission of the PUSCH to the reception of the PHICH is a minimum value that satisfies the minimum processing time (3 ms) of the base station, thereby effectively reducing the transmission delay.
- the PHICH information corresponding to the PUSCH may be the group number of the PHICH and the orthogonal sequence number in the group group seq
- nPHICH ⁇ n PHICH is uniquely identified and separated by the following formula:
- rn ⁇ is the demodulation reference signal cyclic shift value; is the lowest index of the resource block (l owes t
- ⁇ PHICH spreading factor length; ⁇ is the number of PHICH groups.
- the method provided by the embodiment of the present invention further determines the time-frequency domain of the PHICH resource, and the method further determines the PHICH group number of the PHICH resource according to the subframe position, which specifically includes:
- the determining, by the subframe location, the PHICH group number of the PHICH resource includes:
- the special subframe 1 or 6 transmits the PUSCH, and the PHICH resource corresponding to the PUSCH is located in the 5th subframe after the special subframe, in this case:
- the PHICH resources corresponding to different PUSCHs in the same subframe are as follows: a, the PUSCH transmitted by the special subframe 1 and the uplink subframe 2, and the corresponding downlink PHICH is received in the subframe 6;
- the corresponding PUSCH, the corresponding downlink PHICH is received in subframe 1.
- the ratio is still present: the downlink PHICHs corresponding to subframes 3 and 4 are all transmitted in the same subframe; the downlink PHICHs corresponding to subframes 8 and 9 are all transmitted in the same subframe.
- the current special subframe is subframe n
- the PHICH resource is located at the Kth subframe after the special subframe n
- the radio frame in which the current special subframe is located is removed.
- the other subframes of 7 and 9 correspond to 0
- the PHICH group number corresponding to the PUSCH is determined by using the determination;
- the TMc ff corresponding to the subframe is 0; determining the PHICH group number corresponding to the PUSCH by using the determined TMc ff ;
- I PHICH in subframe/ff 1,4, 6 or 9
- the special subframe 1 or 6 transmits the PUSCH, and the PHICH resource corresponding to the PUSCH is located in the 4th subframe after the special subframe, in this case:
- 1 p H 1 of the PHICH resources corresponding to the PUSCH transmitted on the subframe 8 in the subframe 1 or the previous radio frame; b, the uplink subframe 4 and The PUSCH transmitted in the special subframe 6 and the corresponding downlink PHICH are received in the subframe 0 of the next radio frame.
- the PHICH resource corresponding to different PUSCHs on the regional frame it is specified for subframe 4 or
- the current special subframe is the subframe n
- the PHICH resource is located in the Kth subframe after the special subframe n.
- the corresponding ⁇ is 0; determining the PHICH group number corresponding to the PUSCH by using the determined H; or
- the principle that the uplink PUSCH to the downlink PHICH timing is not less than 4 ms in one RTT period, and the time that the UE receives the PHICH to the PUSCH in the HARQ retransmission is not less than 4 ms, and an RTT is provided as an example of 10 ms.
- the corresponding determined PHICH resource is located in the Kth subframe after the special subframe, where, in each ratio, the specific value of the K value is as follows. 13 shows:
- the current special subframe is subframe n, and then determining that the PHICH resource is located in the Kth subframe after the current special subframe n
- Specific implementations include:
- the UE receives the corresponding HARQ downlink PHICH feedback information in the sixth subframe after the subframe 1 (in the determined PHICH resource transmission PHICH)
- the UE receives the HARQ downlink PHICH feedback information corresponding to the PUSCH on the subframe 7;
- the UE receives the corresponding HARQ downlink PHICH feedback information in the sixth subframe after the subframe 1 (in the determined PHICH resource transmission PHICH) , that is, receiving the HARQ downlink PHICH feedback information corresponding to the PUSCH on the subframe 7;
- the UE receives the corresponding HARQ downlink PHICH feedback information in the sixth subframe after the subframe 1 (in the determined PHICH resource transmission PHICH) , that is, receiving the HARQ downlink PHICH feedback information corresponding to the PUSCH on the subframe 7;
- the method further determines the time-frequency domain of the PHICH resource, and the method uses TMc ff according to the subframe position corresponding to the PHICH resource.
- Determining the PHICH group number corresponding to the puSCH may be: For the subframe ratio 0, the downlink PHICHs corresponding to the four pairs of subframes are all transmitted in the same subframe, and the four pairs of subframes are: 1 and 2; 3 and 4; 6 and 7 and 8 and 9, so in this embodiment, the PHICH resource corresponding to the PUSCH transmitted on any one of the subframes in each pair of subframes can be selected.
- the other subframes in which the subframes 1 and 6 are removed from the radio frame in which the current special subframe is located are 0.
- the formula for this value can be:
- the present invention provides for the value of the PHICH group number m i ⁇ N TM , m i (representing the PHICH group number range factor):
- the timing relationship can be:
- the special subframes 1 and 6 are bound to the general subframes 2, 3, 4, 7, 8, and 9 to transmit the PUSCH as a binding subframe (bundle), and the binding subframe corresponds to
- special subframes 1 and 6 are bound to general subframes 2, 3, 7, and 8, and a PUSCH is transmitted as a bundled subframe, and the downlink PHICH corresponding to the bundled subframe is The receiving location is associated with the last subframe 8 in the bundle, and the receiving bit is in subframe 4 of the next radio frame;
- the special subframes 1 and 6 are bound to the general subframes 2 and 7, and the PUSCH is transmitted as a binding subframe.
- the special subframe 1 is bound to the general subframes 2, 3, and 4, and the PUSCH is transmitted as a binding subframe.
- the special subframes 1 and 6 are bound to the general subframes 2, 3, 4, 7 and 8.
- the PUSCH is transmitted, and the binding subframe corresponds to the downlink.
- the receiving position of the PHICH is associated with the last subframe 8 in the bundle, and the subframe 5 of the second radio frame after the frame is received.
- the embodiment of the present invention further provides another control channel resource.
- the allocation method includes (the flow of the method is shown in Figure 4):
- Step 401 When the base station receives the PUSCH in the current special subframe.
- Step 402 The base station determines, according to the uplink resource of the PUSCH, the PHICH resource corresponding to the PUSCH, where the uplink resource of the PUSCH includes the current special subframe.
- the base station receives the The uplink resource of the PUSCH, and determining the PHICH resource corresponding to the PUSCH includes:
- Step 403 The base station transmits the PHICH in the determined PHICH resource.
- the base station determines, according to the uplink resource of the PUSCH, the subframe position of the PHICH resource corresponding to the PUSCH, including:
- the ratio of the uplink and downlink subframes is 1, and the current special subframe is the subframe n, and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the ratio of the uplink and downlink subframes is 2, and the current special subframe is the subframe ⁇ , and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the uplink and downlink subframe ratio is 6, the current special subframe is the subframe ⁇ , and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the uplink PUSCH can be transmitted by using a subframe bundling or TTI bundling. And determining, by the base station, the subframe position of the PHICH resource corresponding to the PUSCH, according to the uplink resource that receives the PUSCH, where the subframe of the uplink resource of the PUSCH includes the current special subframe and the other subframes:
- the sub-frame positions of the resource include:
- the cooperation subframe includes at least one uplink subframe in the radio frame where the current special subframe is located, and/or other special subframes in the radio frame except the current special subframe.
- the base station determines, according to the uplink resource of the PUSCH, the PHICH resource corresponding to the PUSCH.
- Subframe positions include:
- Manner 1 All the uplink subframes in a radio frame are bound to form one binding sub-frame, and each binding sub-frame corresponds to one HARQ process.
- the specific implementation may be:
- the uplink and downlink subframe ratio is 0, and when the special subframes 1 and 6 in one radio frame are bound to the subframes 2, 3, 4, 7, 8, and 9 in the radio frame, the PHICH resource is determined.
- the ratio of the uplink and downlink subframes is 5, and when the special subframe 1 in one radio frame is bound to the subframe 2 in the radio frame, it is determined that the PHICH resource is located at the Kth after the last subframe L.
- a radio frame includes two special sub-frames, and each special sub-frame can form a binding sub-frame, and each binding sub-frame corresponds to a different HARQ process, and the specific implementation can be implemented.
- the uplink and downlink subframe ratio is 2, when a special subframe 1 in a radio frame is bound to the subframe 2 in the radio frame to form a first binding frame, and the special subframe 6 in the radio frame and the When the subframe 7 in the radio frame is bound to form the second binding frame: the subframe position of the PHICH resource corresponding to the PUSCH is determined according to the last subframe L in the coordinated subframe, where:
- the uplink and downlink subframe ratio is 3, when a special subframe 1 in a radio frame is bound to the subframes 2 and 3 in the radio to form a first binding frame, the subframe 4 and the next in the radio frame The special subframe 1 of the radio frame and the subframe 2 in the next radio frame are bound to form a second binding frame, and when the subframes 3 and 4 in the next radio frame are bound to form a third binding frame: Determining, according to the last subframe L in the coordinated subframe, the subframe position of the PHICH resource corresponding to the PUSCH includes:
- the PHICH information corresponding to the base station may be the PHICH group number and the orthogonal sequence number in the group (group seq ⁇
- n PHICH , n PHICH are uniquely identified and separated by the following formula: n (
- the method provided by the embodiment of the present invention further determines a time-frequency domain of the PHICH resource, and the method is further The determining, by the subframe position, the PHICH group number of the PHICH resource, specifically: determining, by using a PHICH group number indication factor, a PHICH group number corresponding to the PUSCH according to the subframe position corresponding to the PHICH resource.
- the determining, by the subframe location, the PHICH group number of the PHICH resource includes:
- the ⁇ corresponding to the other subframe is 0; determining the PHICH group number corresponding to the PUSCH by using the determination; or
- the embodiment of the present invention further provides a user equipment 500, where the user equipment includes:
- the sending unit 501 is configured to send a PUSCH in the current special subframe.
- a determining unit 502 configured to determine, according to an uplink resource that transmits the PUSCH, a PHICH resource corresponding to the PUSCH, where an uplink resource of the PUSCH is included in the current special subframe, and a receiving unit 503, configured to determine the PHICH The resource receives the PHICH.
- Determining the PHICH resource corresponding to the PUSCH includes: determining a subframe position of the resource and a PHICH group number of the resource. Therefore, the determining unit 502 for the content that needs to be determined specifically includes: a subframe position determining module, configured to determine, according to an uplink resource that transmits the PUSCH, a subframe position of the PHICH resource corresponding to the PUSCH;
- the resource group number determining module determines the PHICH group number of the PHICH resource according to the subframe position, and determines the PHICH resource corresponding to the PUSCH by using the subframe position and the PHICH group number.
- the UE determines the subframe position of the PHICH resource corresponding to the PUSCH according to the uplink resource of the PUSCH.
- the determination module is also used to:
- the ratio of the uplink and downlink subframes is 3, and the current special subframe is the subframe n, and the PHICH resource is determined.
- the uplink and downlink subframe ratio is 6, the current special subframe is a subframe ⁇ , and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the uplink PUSCH can be transmitted by using a subframe bundling or TTI bundling. Therefore, the resource used to transmit the PUSCH may be a binding frame. Therefore, the specific implementation when the subframe position determining module determines the subframe position of the PHICH resource corresponding to the PUSCH may be:
- the subframe location determining module is further configured to determine, according to the coordinated subframe, a child of the PHICH resource corresponding to the PUSCH. Frame position.
- the subframe position determining module is further configured to use at least one uplink subframe in the radio frame where the current special subframe is included in the cooperation subframe, and/or the current special subframe in the radio frame.
- the other special subframes determine the subframe position of the PHICH resource corresponding to the PUSCH.
- the subframe position determining module is further configured to use, according to the last one of the coordinated subframes.
- the subframe L determines a subframe position of the PHICH resource corresponding to the PUSCH.
- the subframe position determining module is configured according to the last subframe in the cooperative subframe.
- the implementation of determining the subframe position of the PHICH resource corresponding to the PUSCH includes multiple manners, and specifically:
- the uplink and downlink subframe ratio is 1, when the special subframes 1 and 6 in a radio frame are bound to the subframes 2, 3, 7, and 8 in the radio frame, determining that the PHICH resource is located in the last one.
- L 8
- K 6
- the uplink and downlink subframe ratio is 2, and when the special subframes 1 and 6 in a radio frame are bound to the subframes 2 and 7 in the radio frame, it is determined that the PHICH resource is located after the last subframe L.
- the ratio of the uplink and downlink subframes is 3.
- a radio frame includes two special sub-frames, and each of the special sub-frames can form a binding sub-frame, and each of the binding sub-frames corresponds to a different HARQ process, and specifically includes:
- the uplink and downlink subframe ratio is 2, when a special subframe 1 in a radio frame is bound to the subframe 2 in the radio frame to form a first binding frame, the special subframe 6 in the radio frame and the radio frame
- the subframe position determining module is further configured to:
- the uplink and downlink subframes have a ratio of 3, and the special subframe 1 in one radio frame is bound to the subframes 2 and 3 in the radio to form a first binding frame, and the subframe 4 and the next radio frame in the radio frame.
- the special subframe 1 and the subframe 2 in the next radio frame are bound to form a second binding frame, where the subframes 3 and 4 in the next radio frame are bound to form a third binding frame:
- the frame position determination module is also used to:
- the PHICH information corresponding to the PUSCH may be the group number of the PHICH and the orthogonal sequence number in the group (group seq ⁇
- n PHICH, n PHICH is uniquely identified and separated by the following formula: PHICH 1 PRB_RA Ding DMRS ) AAA U v PHICH Ding 1 PHICH i PHICH n "P se H ( i II
- the method provided by the embodiment of the present invention further determines the time-frequency domain of the PHICH resource, then the resource
- the group number determining module is further configured to determine the PHICH group number corresponding to the PUSCH by using the PHICH group number indication factor H according to the subframe position corresponding to the PHICH resource.
- the resource group number determining module is further configured to:
- c ff is 0; determining the PHICH group number corresponding to the PUSCH by using the determined TMc ff .
- the resource group number determining module is further configured to:
- Embodiment 6 is a base station 600, the base station includes: The receiving unit 601 is configured to receive the PUSCH in the current special subframe.
- a determining unit 602 configured to determine, according to an uplink resource that receives the PUSCH, a PHICH resource corresponding to the PUSCH, where the uplink resource includes the current special subframe;
- the transmitting unit 603 is configured to transmit the PHICH at the determined PHICH resource.
- the PHICH resource includes two parts: a subframe position of the PHICH resource and a PHICH group number of the PHICH resource. Therefore, the determining unit 602 specifically includes:
- a subframe position determining module configured to determine, according to an uplink resource that receives the PUSCH, a subframe position of a PHICH resource corresponding to the PUSCH;
- the resource group number determining module is configured to determine a PHICH group number of the PHICH resource according to the subframe position, and determine, by using the subframe position and the PHICH group number, a PHICH resource corresponding to the PUSCH.
- the subframe position determining module determines, according to the uplink resource of the PUSCH, the subframe position of the PHICH resource corresponding to the PUSCH, The subframe position determining module is further configured to:
- the ratio of the uplink and downlink subframes is 0, and the current special subframe is the subframe n, and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the ratio of the uplink and downlink subframes is 1, and the current special subframe is the subframe n, and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the ratio of the uplink and downlink subframes is 2, and the current special subframe is the subframe n, and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the ratio of the uplink and downlink subframes is 6, the current special subframe is the subframe n, and the PHICH resource is determined to be located in the Kth subframe after the current special subframe n, where:
- the sub-frame of the uplink resource that transmits the PUSCH includes the current special sub-frame and other sub-frames, that is, when the sub-frame of the uplink resource that transmits the PUSCH includes the current special sub-frame and the current special sub-frame
- the frame-bound cooperative subframe, the subframe position determining module is further configured to determine, according to the cooperative subframe, a subframe position of the PHICH resource corresponding to the PUSCH.
- the subframe position determining module is further configured to: use the cooperative subframe to include at least one uplink subframe in a radio frame where the current special subframe is located, and/or The other special subframes of the current special subframe determine the subframe position of the PHICH resource corresponding to the PUSCH.
- the subframe position determining module is further configured to determine, according to the last subframe L in the coordinated subframe, a subframe position of the PHICH resource corresponding to the PUSCH.
- the uplink and downlink subframe ratio is 0.
- special subframes 1 and 6 in a radio frame are bound to subframes 2, 3, 4, 7, 8, and 9 in the radio frame, it is determined that the PHICH resource is located.
- the uplink and downlink subframe ratio is 1, when the special subframes 1 and 6 in a radio frame are bound to the subframes 2, 3, 7, and 8 in the radio frame, determining that the PHICH resource is located in the last one.
- L 8
- K 6
- the uplink and downlink subframe ratio is 2, and when the special subframes 1 and 6 in a radio frame are bound to the subframes 2 and 7 in the radio frame, it is determined that the PHICH resource is located after the last subframe L.
- the ratio of the uplink and downlink subframes is 3.
- the ratio of the uplink and downlink subframes is 5, and when the special subframe 1 in one radio frame is bound to the subframe 2 in the radio frame, it is determined that the PHICH resource is located at the Kth after the last subframe L.
- the uplink and downlink subframe ratio is 6, when special subframes 1 and 6 in a radio frame and the radio frame
- a radio frame includes two special sub-frames, and each special sub-frame can form a binding sub-frame, and each binding sub-frame corresponds to a different HARQ process, and the specific implementation can be:
- the uplink and downlink subframe ratio is 2, when a special subframe 1 in a radio frame is bound to the subframe 2 in the radio frame to form a first binding frame, and the special subframe 6 in the radio frame and the When the subframe 7 in the radio frame is bound to form the second binding frame: the subframe position determining module is further configured to:
- the uplink and downlink subframe ratio is 3, when a special subframe 1 in a radio frame is bound to the subframes 2 and 3 in the radio to form a first binding frame, the subframe 4 and the next in the radio frame The special subframe 1 of the radio frame and the subframe 2 in the next radio frame are bound to form a second binding frame, and when the subframes 3 and 4 in the next radio frame are bound to form a third binding frame: the sub-frame
- the frame position determination module is also used to:
- the PHICH information corresponding to the base station may be the PHICH group number and the orthogonal sequence number in the group (group seq ⁇
- the method provided by the embodiment of the present invention further determines a time-frequency domain of the PHICH resource, where the resource group number determining module is further configured to determine the PUSCH by using a PHICH group number indication factor H according to a subframe position corresponding to the PHICH resource. Corresponding PHICH group number.
- the resource group number determining module is further configured to:
- the resource group number determining module is further configured to:
- the ratio of the uplink and downlink subframes is 6, the current special subframe is the subframe n, and the PHICH resource bits.
- the foregoing one or more technical solutions in the embodiments of the present application have at least the following technical effects:
- the method provided by the embodiment of the present invention solves the problem that when the uplink PUSCH is transmitted by using a special subframe (separate or bound) in the prior art There is no specific scheme to determine the receiving location of the downlink PHICH corresponding to the uplink PUSCH;
- the method for adjusting the PHICH group number corresponding to the PHICH resource is provided corresponding to the receiving location of the downlink PHICH, so as to provide a solution for the conflict between the PHICH resource corresponding to the newly determined PUSCH and the original ratio.
- the disclosed system, apparatus, and method may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the modules or units is only a logical function division.
- there may be another division manner for example, multiple units or components may be used. Combined or can be integrated into another system, or some features can be ignored, or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the components displayed for the unit may or may not be physical units, ie may be located in one place, or may be distributed over multiple network units. You can choose some of them according to actual needs or All units are used to achieve the objectives of the solution of this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of a software function unit.
- the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
- the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present application.
- the foregoing storage medium includes: a U disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .
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JP2016561755A JP6463779B2 (ja) | 2014-04-11 | 2014-04-11 | 制御チャネル資源割当方法及び装置 |
CN201811165694.9A CN109327303B (zh) | 2014-04-11 | 2014-04-11 | 一种控制信道资源分配方法及装置 |
KR1020167031643A KR101985348B1 (ko) | 2014-04-11 | 2014-04-11 | 채널 자원 할당 제어 방법 및 장치 |
PCT/CN2014/075211 WO2015154310A1 (zh) | 2014-04-11 | 2014-04-11 | 一种控制信道资源分配方法及装置 |
CN201480001952.3A CN105191201B (zh) | 2014-04-11 | 2014-04-11 | 一种控制信道资源分配方法及装置 |
EP19191671.7A EP3633905B1 (en) | 2014-04-11 | 2014-04-11 | Control channel resource allocation method and apparatus |
US15/290,289 US20170034819A1 (en) | 2014-04-11 | 2016-10-11 | Control channel resource allocation method and apparatus |
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JP2019510417A (ja) * | 2016-03-18 | 2019-04-11 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | 拡張されたアップリンクパイロットタイムスロット中で通信するための技法 |
JP2022033739A (ja) * | 2016-11-03 | 2022-03-02 | フラウンホッファー-ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | ユーザ機器、基地局および無線通信システム |
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EP3131222A4 (en) | 2017-02-15 |
KR20160144473A (ko) | 2016-12-16 |
US20170034819A1 (en) | 2017-02-02 |
KR101985348B1 (ko) | 2019-06-03 |
CN109327303B (zh) | 2022-03-29 |
CN109327303A (zh) | 2019-02-12 |
JP2017511076A (ja) | 2017-04-13 |
CN105191201B (zh) | 2018-10-30 |
EP3131222B1 (en) | 2019-09-11 |
CN105191201A (zh) | 2015-12-23 |
EP3633905B1 (en) | 2022-03-16 |
EP3131222A1 (en) | 2017-02-15 |
EP3633905A1 (en) | 2020-04-08 |
JP6463779B2 (ja) | 2019-02-06 |
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