5G multi-system coexistence resource allocation method under unlicensed spectrum based on Q learning
A resource allocation, multi-system technology, applied in electrical components, wireless communication, network planning, etc., can solve the problem of inability of NR-U system and WiFi system to coexist, and achieve the effect of improving spectrum resource utilization
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[0057] Example 1
[0058] When the Q-learning-based 5G multi-system coexistence resource allocation method under unlicensed spectrum is implemented, it is based on figure 1 The scene shown. Such as figure 1 Description, there are 2 UEs in the NR-U system and 2 STAs in the WiFi system. Without loss of generality, in specific implementation, 10 UEs and 8 STAs share the same unlicensed spectrum resource.
[0059] However, because the NR-U system uses a centralized scheduling MAC mechanism, it has a better interference tolerance. The WiFi system uses a competition-based MAC mechanism. When the optimization goal is to maximize the throughput of the coexistence system, the resources of the unlicensed frequency band will be allocated to the NR-U system as much as possible, resulting in the failure of WiFi access Channel for communication, the throughput of the WiFi system is greatly reduced. In addition, in the coexistence system model, the NR-U system occupies the entire unlicensed f...
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