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Method for decoding protocol stack RRC message in 5G terminal simulator

A terminal simulation and decoding method technology, which is applied in the field of protocol stack RRC message decoding in 5G terminal simulators, can solve problems such as high maintenance costs, poor readability, expensive compilers, etc., and achieve cost savings and code reduction effects

Active Publication Date: 2021-05-28
中电科思仪科技(安徽)有限公司
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  • Claims
  • Application Information

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Problems solved by technology

At present, OSS NOKALVA company has produced relatively mature ASN.1 compilers, but such compilers are expensive, and usually use traditional type mapping methods, which are not well targeted, have a huge amount of code, and generate relatively low code efficiency , poor readability, and high maintenance costs later

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  • Method for decoding protocol stack RRC message in 5G terminal simulator
  • Method for decoding protocol stack RRC message in 5G terminal simulator

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Embodiment Construction

[0027] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0028] like figure 1 As shown, the 5G protocol stack architecture consists of UE, gNB, and AMF. Among them, the UE side is composed of NAS layer, RRC layer, PDCP layer, RLC layer, MAC layer, and PHY layer, and the gNB side is composed of RRC layer, PDCP layer, and RLC layer. , MAC layer, and PHY layer, and the AMF side is composed of NAS.

[0029] like figure 2As shown, the structure modules for 5GRRC messages are: BCCH_BCH channel structure, BCCH_DL_SCH channel structure, DL_CCCH channel structure, DL_DCCH channel structure, DL_PCCH channel structure, UL_CCCH channel structure, UL_CCCH1 channel structure and UL_DCCH channel structure. Then, each message is decoded by sub-module, and finally the decoding of the RRC layer message of the protocol stack in the entire 5G terminal simulator is completed.

[0030] The protocol stack RRC message d...

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Abstract

The invention discloses a method for decoding a protocol stack RRC message in a 5G terminal simulator, and belongs to the field of a 5G high-level protocol stack of a mobile communication system. The method comprises the following steps: constructing a BCCH_BCH, BCCH_DL_SCH, DL_CCCH, DL_DCCH, DL_PCCH, UL_CCCH, UL_CCCH1, UL_DCCH channel structure body module, decoding each message by the modules, and finally finishing the decoding of the protocol stack RRC layer message in the whole 5G terminal simulator. According to the method, the 5G protocol stack RRC message is decoded according to modules, the modules are divided based on the channel structured programming concept, the structure is clear, and expansion is easy.

Description

technical field [0001] The invention belongs to the field of 5G high-level protocol stacks of mobile communication systems, and in particular relates to a protocol stack RRC message decoding method in a 5G terminal simulator. Background technique [0002] In order to realize the exchange of application data between different devices and network environments in an open system, the ISO (International Organization for Standardization) formulated the ASN.1 standard in the 1980s. ASN.1 is a markup language used to describe structured information. It is widely used in the description of communication protocols. The information described by it is independent of any application environment and will not cause ambiguous interpretation. [0003] The encoding and decoding of RRC (Radio Resource Control) messages is a key step in the 5G high-level protocol stack software, and it is also an extremely complex and important part of the high-level protocol stack message decoding. Message dec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W76/19H04W76/27
CPCH04W76/19H04W76/27H04W72/20
Inventor 吴磊刘祖深凌云志张煜王嘉嘉许虎杨传伟黄毅
Owner 中电科思仪科技(安徽)有限公司
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