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A method and device for adaptive transmission mode switching

A technology of self-adaptive transmission and mode switching, applied in transmission system, digital transmission system, error prevention, etc., can solve problems such as low rate requirements, call drop, channel QoS can not meet the demand, etc., to achieve the effect of optimal performance

Active Publication Date: 2018-10-12
CHINA MOBILE GROUP DESIGN INST
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  • Abstract
  • Description
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Problems solved by technology

[0006] However, for VoLTE voice services, the rate requirements are not high, the maximum requirement is 45Kbps, which is far lower than the rate requirements of data services, but the QoS requirements for channels are much higher than data services
If the transmission mode conversion threshold for data services is used, the transmission rate will meet the requirements, but the channel QoS cannot meet the requirements, which will cause call drop

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  • A method and device for adaptive transmission mode switching
  • A method and device for adaptive transmission mode switching
  • A method and device for adaptive transmission mode switching

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Embodiment Construction

[0049] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0050]Aiming at the problem in the prior art that a set of conversion thresholds are only set for data services, which cannot meet the QoS requirements of call services for channels, the present invention provides an adaptive transmission mode switching method and device, which judges the current status based on the business behavior of different terminals. different service types, and use different transmission mode conversion thresholds for different service types, so that under the condition of coexistence of multiple service types, the performance of the service currently used by the user can still be optimized.

[0051] Such as figure 1 As shown, an embodiment of the present invention provides an adaptive transmission mode switching method, includin...

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Abstract

The invention provides a self-adaptive transmission mode switching method and apparatus, and relates to the field of wireless network planning and wireless service support. The transmission mode switching method includes the steps: separately setting multiple switch thresholds of transmission modes for diversified service types; determining the current service type of a user; and selecting and taking one switch threshold corresponding to the current service type of the user as a condition triggering switch of the transmission modes. According to the method, the current service type is determined according to service behaviors of different terminals, different switch thresholds of the transmission modes are utilized for different service types, and the performance of services used by the user at present still can be optimized under the condition of coexistence of various service types.

Description

technical field [0001] The invention relates to the fields of wireless network planning and wireless service support, in particular to an adaptive transmission mode switching method and device. Background technique [0002] According to the 3GPP protocol, there are currently 9 transmission modes. Dual-stream transmission (multiplexing) can greatly improve the transmission efficiency of the LTE (Long Term Evolution Technology) system, but dual-stream transmission can only be performed under the premise that the wireless environment is good enough and the channel correlation is low. Otherwise, the block error rate (BLER) of the system will increase, and the transmission efficiency of the system will be reduced instead. Based on the above reasons, in TD-LTE systems, in order to take into account both throughput and coverage, transmission mode adaptive technology is usually adopted; however, with the emergence of VoLTE technology, higher requirements are put forward for the reli...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
Inventor 孙浩董江波陈燕雷刘娜方媛韩云波刘玮李楠
Owner CHINA MOBILE GROUP DESIGN INST