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A control channel resource allocation method and device

A technology of control channel resource and allocation method, applied in the field of control channel resource allocation method and device, can solve the problems of low throughput and the like

Active Publication Date: 2018-10-30
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Embodiments of the present invention provide a method and device for allocating control channel resources to solve the problem of low system uplink throughput caused by the time division method in the prior art

Method used

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  • A control channel resource allocation method and device
  • A control channel resource allocation method and device
  • A control channel resource allocation method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0204] Such as figure 2 As shown, in view of the above problems, the embodiment of the present invention provides a control channel resource allocation method, the method includes:

[0205] Step 201, UE (User Experience, user equipment) sends PUSCH (PhysicalUplink Shared Channel, physical uplink shared channel) in the current special subframe;

[0206] Wherein, using the special subframe for transmission means: using an UpPTS (Uplink Pilot Time Slot, uplink pilot time slot) in the special subframe as a subframe for transmitting uplink data.

[0207] Step 202, the UE determines the PHICH resource corresponding to the PUSCH according to the uplink resource for transmitting the PUSCH, and the uplink resource for transmitting the PUSCH includes the current special subframe;

[0208] In the embodiment of the present invention, the uplink resource for transmitting the PUSCH includes the UpPTS for transmitting the PUSCH, and may also include an uplink subframe (or called an uplink ...

Embodiment 2

[0372] In the embodiment of the present invention, considering that within one RTT period, the principle of timing from uplink PUSCH to downlink PHICH is not less than 4ms, and the time from receiving PHICH to sending PUSCH by UE in HARQ retransmission is not less than 4ms, the following provides an example with an RTT of 10ms :

[0373] When the user equipment UE transmits PUSCH in a special subframe; then correspondingly determine that the PHICH resource is located in the Kth subframe after the special subframe, wherein, in each configuration situation, the specific optional value of the K value is as shown in the table 13 shows:

[0374]

[0375]

[0376] Table 13

[0377] In this embodiment, according to the specific example given in Table 13, the current special subframe is subframe n, then it is determined that the PHICH resource is located in the Kth subframe after the current special subframe n The specific implementation includes:

[0378] For UL / DL configur...

Embodiment 3

[0400] When the subframe of the uplink resource for transmitting PUSCH includes the current special subframe and other subframes, that is, when the special subframe is combined with other normal subframes for transmission, this embodiment provides the ratio in the case of RTT=30ms The timing relationship of , specifically can be:

[0401] For UL / DL configuration 0, special subframes 1 and 6 are bound with general subframes 2, 3, 4, 7, 8, and 9, as a bundle to transmit PUSCH, then the bundled subframe corresponds to The receiving position of the downlink PHICH is associated with the last subframe 9 in the bundle, k PHICH =6, then the received bit is in subframe 5 of the next radio frame;

[0402] For UL / DL configuration 1, special subframes 1 and 6 are bound with general subframes 2, 3, 7, and 8, as a bundle to transmit PUSCH, then the downlink PHICH corresponding to the bundled subframe The receiving position is associated with the last subframe 8 in the bundle, k PHICH =6,...

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Abstract

The present invention relates to the field of mobile communication technologies, and in particular to a method and device for allocating control channel resources. The method includes: a user equipment UE sends a physical uplink shared channel PUSCH in a current special subframe; the UE determines according to the uplink resource for transmitting the PUSCH The physical hybrid automatic repeat request indication channel PHICH resource corresponding to the PUSCH, the uplink resource for transmitting the PUSCH includes the current special subframe; and the PHICH is received at the determined PHICH resource. The method and device provided by the present invention solve the problem that there is no specific solution to determine the receiving position of the downlink PHICH corresponding to the uplink PUSCH when using the special subframe to transmit the uplink PUSCH.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a control channel resource allocation method and device. Background technique [0002] Uplink transmission of a TDD (Time Division Multiplex, Time Division Multiplex) system adopts a time division multiplex manner. [0003] The TDD system of LTE (Long Term Evolution, Long Term Evolution) defines 7 types of uplink and downlink subframe configurations, as shown in Table 1 for details. Among them, different ratios of uplink and downlink subframes can be applied to scenarios with different uplink and downlink service requirements. [0004] [0005] Table 1 [0006] The subframes of the TDD system can be divided into three types: uplink subframes, downlink subframes and special subframes. In Table 1, D represents a downlink subframe, S represents a special subframe, and U represents an uplink subframe. It can be seen from Table 1 that in a TDD system, some ...

Claims

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Application Information

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IPC IPC(8): H04L5/00
CPCH04L1/1861H04L5/0023H04L5/0055H04L5/1469H04W72/0446H04L5/003H04L5/0053H04W72/21H04W72/23H04L1/1812
Inventor 王轶唐臻飞栗忠峰
Owner HUAWEI TECH CO LTD