A low complexity dynamic subarray combination method for MIMO transmitter
For the mmWave MIMO system using a partially-connected structure,in order to improve the spectral efficiency,the antenna composition of each subarray will be dynamically adjusted according to the channel conditions.However,the optimal grouping of antennas requires exhaustive searching for all possib...
Saved in:
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | zho |
| Published: |
Beijing Xintong Media Co., Ltd
2020-08-01
|
| Series: | Dianxin kexue |
| Subjects: | |
| Online Access: | http://www.telecomsci.com/thesisDetails#10.11959/j.issn.1000-0801.2020161 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850213052693086208 |
|---|---|
| author | Cui WANG Peng PAN Shuai ZHANG Junrong YAN |
| author_facet | Cui WANG Peng PAN Shuai ZHANG Junrong YAN |
| author_sort | Cui WANG |
| collection | DOAJ |
| description | For the mmWave MIMO system using a partially-connected structure,in order to improve the spectral efficiency,the antenna composition of each subarray will be dynamically adjusted according to the channel conditions.However,the optimal grouping of antennas requires exhaustive searching for all possible antenna combinations according to certain criteri,which leads to unacceptable complexity.In response to the problem,a low-complexity sub-array dynamic allocation method was proposed.The core was to introduce certain rules when grouping array elements,thereby significantly reducing the number of combinations and reducing the search range.Specifically,two low-complexity antenna combination algorithms were proposed.Firstly,considering the strong correlation between mmWave antennas,multiple adjacent antennas were virtualized as an array element,thereby reducing the search space.Secondly,by dividing all antennas into upper and lower half areas,the antenna combination based on partition was realized,and the search space was also reduced.Simulation results show that the proposed method can achieve a good trade-off between performance and complexity. |
| format | Article |
| id | doaj-art-6d8bf88a797e49428a82fa18a6d28dd0 |
| institution | OA Journals |
| issn | 1000-0801 |
| language | zho |
| publishDate | 2020-08-01 |
| publisher | Beijing Xintong Media Co., Ltd |
| record_format | Article |
| series | Dianxin kexue |
| spelling | doaj-art-6d8bf88a797e49428a82fa18a6d28dd02025-08-20T02:09:13ZzhoBeijing Xintong Media Co., LtdDianxin kexue1000-08012020-08-01369210259811725A low complexity dynamic subarray combination method for MIMO transmitterCui WANGPeng PANShuai ZHANGJunrong YANFor the mmWave MIMO system using a partially-connected structure,in order to improve the spectral efficiency,the antenna composition of each subarray will be dynamically adjusted according to the channel conditions.However,the optimal grouping of antennas requires exhaustive searching for all possible antenna combinations according to certain criteri,which leads to unacceptable complexity.In response to the problem,a low-complexity sub-array dynamic allocation method was proposed.The core was to introduce certain rules when grouping array elements,thereby significantly reducing the number of combinations and reducing the search range.Specifically,two low-complexity antenna combination algorithms were proposed.Firstly,considering the strong correlation between mmWave antennas,multiple adjacent antennas were virtualized as an array element,thereby reducing the search space.Secondly,by dividing all antennas into upper and lower half areas,the antenna combination based on partition was realized,and the search space was also reduced.Simulation results show that the proposed method can achieve a good trade-off between performance and complexity.http://www.telecomsci.com/thesisDetails#10.11959/j.issn.1000-0801.2020161millimeter wave;MIMO;partially connected;dynamic subarray |
| spellingShingle | Cui WANG Peng PAN Shuai ZHANG Junrong YAN A low complexity dynamic subarray combination method for MIMO transmitter Dianxin kexue millimeter wave;MIMO;partially connected;dynamic subarray |
| title | A low complexity dynamic subarray combination method for MIMO transmitter |
| title_full | A low complexity dynamic subarray combination method for MIMO transmitter |
| title_fullStr | A low complexity dynamic subarray combination method for MIMO transmitter |
| title_full_unstemmed | A low complexity dynamic subarray combination method for MIMO transmitter |
| title_short | A low complexity dynamic subarray combination method for MIMO transmitter |
| title_sort | low complexity dynamic subarray combination method for mimo transmitter |
| topic | millimeter wave;MIMO;partially connected;dynamic subarray |
| url | http://www.telecomsci.com/thesisDetails#10.11959/j.issn.1000-0801.2020161 |
| work_keys_str_mv | AT cuiwang alowcomplexitydynamicsubarraycombinationmethodformimotransmitter AT pengpan alowcomplexitydynamicsubarraycombinationmethodformimotransmitter AT shuaizhang alowcomplexitydynamicsubarraycombinationmethodformimotransmitter AT junrongyan alowcomplexitydynamicsubarraycombinationmethodformimotransmitter AT cuiwang lowcomplexitydynamicsubarraycombinationmethodformimotransmitter AT pengpan lowcomplexitydynamicsubarraycombinationmethodformimotransmitter AT shuaizhang lowcomplexitydynamicsubarraycombinationmethodformimotransmitter AT junrongyan lowcomplexitydynamicsubarraycombinationmethodformimotransmitter |