| Autor: |
FENG Xiangyun, ZHOU Xiaoping, WANG Peipei, WANG Yang |
| Jazyk: |
angličtina |
| Rok vydání: |
2020 |
| Předmět: |
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| Zdroj: |
Journal of Shanghai Normal University (Natural Sciences), Vol 49, Iss 1, Pp 43-47 (2020) |
| ISSN: |
1000-5137 |
| Popis: |
In order to solve the problem of high implementation cost and hardware complexity due to the large number of radio frequency chains required in large-scale systems where full digital precoding was adopted,a two-stage mixed precoding scheme for base station terminal was proposed.The objective function of the pre-coded matrix was designed based on the minimum mean square error,and the objective function was solved by using the conjugate gradient algorithm based on the Glassmann manifolds.Simulation results showed that the proposed hybrid precoding method could effectively reduce the complexity of hardware implementation with its performance close to that of full digital precoding. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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