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A method for allocating time slot resources

A time slot resource and allocation method technology, applied in the direction of using the return channel for error prevention/detection, electrical components, wireless communication, etc., can solve problems such as system throughput expansion

Inactive Publication Date: 2011-12-21
TD TECH COMM TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the waiting and stopping mechanism adopted in HARQ technology, the retransmission of data will have an adverse impact on the service transmission rate. Therefore, if the probability of retransmission is too high, the expansion of the throughput of the system will be limited.

Method used

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  • A method for allocating time slot resources
  • A method for allocating time slot resources
  • A method for allocating time slot resources

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] In a specific embodiment of the present invention, the allocation of the remaining time slot resources to the currently scheduled UE according to the preset strategy may be as follows: when there is only one UE with allocated time slot resources in the current scheduling period, the remaining All the time slot resources are allocated to the UE that has allocated the time slot resources.

[0044] Specifically, because only one UE is allocated time slot resources in the current scheduling period, and there is no new UE to be scheduled in the current scheduling period, or the remaining time slot resources cannot be scheduled due to insufficient HS-SCCH configurations (for example, , when the system configures only one HS-SCCH for transmitting scheduling information, only one UE can be scheduled in one scheduling cycle), at this time, the base station can allocate all the remaining time slot resources to the allocated time slot resources UEs, so that the remaining time slot...

Embodiment 2

[0046] In a specific embodiment of the present invention, the allocation of the remaining time slot resources to the currently scheduled UEs according to the preset strategy may be as follows: when there are more than two UEs that have been allocated time slot resources in the current scheduling period, according to Based on the CQI reported last time by UEs that have allocated time slot resources, the remaining time slot resources are allocated to each UE that has allocated time slot resources.

[0047] Specifically, if there are more than two UEs that have allocated time slot resources in the current scheduling period, at this time, the base station can know the UEs that have allocated time slot resources according to the CQI reported last time by each UE that has allocated time slot resources. Channel quality conditions, so that the remaining time slot resources are allocated to each UE that has been allocated time slot resources according to the channel quality conditions o...

Embodiment 3

[0053] In a specific embodiment of the present invention, the allocation of the remaining time slot resources to the currently scheduled UEs according to the preset strategy may be as follows: when there are more than two UEs that have been allocated time slot resources in the current scheduling period, according to Based on the CQI reported last time by UEs that have allocated time slot resources, the remaining time slot resources are allocated to UEs that have allocated time slot resources with the worst channel quality.

[0054] Specifically, if there are more than two UEs that have allocated time slot resources in the current scheduling period, the base station can know the channel quality of each UE that has allocated time slot resources according to the CQI reported last time by each UE that has allocated time slot resources According to the channel quality of each UE, determine the UE that has the worst information quality from the UEs that have been allocated time slot ...

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Abstract

The invention provides a method for allocating time slot resources, which comprises the following steps: a base station allocates time slot resources needed by UE (user equipment) in a current scheduling period; when rest time slot resources which are not allocated exist in the current scheduling period and no new UE needs scheduling in the current scheduling period or the rest time slot resources cannot be scheduled because of lack of configured quantity of HS-SCCHs (high speed signaling control channels), the base station allocates the rest time slot resources to the UE which is currently scheduled according to a preset strategy; and the base station informs the corresponding UE of the allocated rest time slot resources through the HS-SCCHs, so that the UE can carry out data transmission according to the allocated rest time slot resources. With the adoption of the method, the code rate can be lowered, the probability for data retransmission is reduced, the service rate is increased, and the throughput of a system is enhanced.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method for allocating time slot resources. Background technique [0002] With the rapid development of mobile communication technology, the third generation mobile communication (3G) technology has been more and more widely used. In order to enhance the performance of packet data transmission and increase the peak transmission rate to adapt to the rapid growth of various value-added services, two important enhancement technologies were introduced in the 3rd Generation Partnership Project (3GPP): high-speed downlink packet access (HSDPA) technology and High Speed ​​Uplink Packet Access (HSUPA) technology. [0003] Among them, the HSDPA technology is a collection of some wireless enhancement technologies, including basic underlying key technologies such as adaptive modulation and coding (AMC), hybrid automatic repeat request (HARQ) and fast scheduling algorithm, whi...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04W72/12H04L1/16
Inventor 张力强谢勇王东峰申志坚雷春娟郑岚
Owner TD TECH COMM TECH LTD
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