Joint beamforming and power management for nonregenerative MIMO two-way relaying channels
We consider multiple-input–multiple-output (MIMO) two-way relaying channels where a pair of multiantenna users wishes to exchange information with the help of a nonregenerative multiantenna relay. A low-complexity joint beamforming and power management scheme is proposed. The proposed beamformers fi...
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| Format: | Article |
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Institute of Electrical and Electronics Engineers
2011
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| _version_ | 1796858667275911168 |
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| author | Chee, Yen Leow Ding, Zhiguo Kin, K. Leung |
| author_facet | Chee, Yen Leow Ding, Zhiguo Kin, K. Leung |
| author_sort | Chee, Yen Leow |
| collection | ePrints |
| description | We consider multiple-input–multiple-output (MIMO) two-way relaying channels where a pair of multiantenna users wishes to exchange information with the help of a nonregenerative multiantenna relay. A low-complexity joint beamforming and power management scheme is proposed. The proposed beamformers first align the channel matrices of the user pair and then decompose the aligned channel into parallel subchannels. Two power management issues, i.e., power allocation and power control, are addressed in this paper. First, sum-rate optimizing power allocation is proposed to allocate power between all subchannels and nodes. Second, quality of service (QoS) satisfying power control is proposed to minimize the total transmission power in the network. Simulation results justify that the proposed joint beamforming and power management scheme delivers better sum-rate performance or consumes lower transmission power when compared with existing schemes. |
| first_indexed | 2024-03-05T19:15:49Z |
| format | Article |
| id | utm.eprints-45011 |
| institution | Universiti Teknologi Malaysia - ePrints |
| last_indexed | 2024-03-05T19:15:49Z |
| publishDate | 2011 |
| publisher | Institute of Electrical and Electronics Engineers |
| record_format | dspace |
| spelling | utm.eprints-450112017-09-20T07:57:46Z http://eprints.utm.my/45011/ Joint beamforming and power management for nonregenerative MIMO two-way relaying channels Chee, Yen Leow Ding, Zhiguo Kin, K. Leung TJ Mechanical engineering and machinery We consider multiple-input–multiple-output (MIMO) two-way relaying channels where a pair of multiantenna users wishes to exchange information with the help of a nonregenerative multiantenna relay. A low-complexity joint beamforming and power management scheme is proposed. The proposed beamformers first align the channel matrices of the user pair and then decompose the aligned channel into parallel subchannels. Two power management issues, i.e., power allocation and power control, are addressed in this paper. First, sum-rate optimizing power allocation is proposed to allocate power between all subchannels and nodes. Second, quality of service (QoS) satisfying power control is proposed to minimize the total transmission power in the network. Simulation results justify that the proposed joint beamforming and power management scheme delivers better sum-rate performance or consumes lower transmission power when compared with existing schemes. Institute of Electrical and Electronics Engineers 2011 Article PeerReviewed Chee, Yen Leow and Ding, Zhiguo and Kin, K. Leung (2011) Joint beamforming and power management for nonregenerative MIMO two-way relaying channels. IEEE Trans. Vehicular Technology, 60 (9). pp. 4374-4383. ISSN 0018-9545 |
| spellingShingle | TJ Mechanical engineering and machinery Chee, Yen Leow Ding, Zhiguo Kin, K. Leung Joint beamforming and power management for nonregenerative MIMO two-way relaying channels |
| title | Joint beamforming and power management for nonregenerative MIMO two-way relaying channels |
| title_full | Joint beamforming and power management for nonregenerative MIMO two-way relaying channels |
| title_fullStr | Joint beamforming and power management for nonregenerative MIMO two-way relaying channels |
| title_full_unstemmed | Joint beamforming and power management for nonregenerative MIMO two-way relaying channels |
| title_short | Joint beamforming and power management for nonregenerative MIMO two-way relaying channels |
| title_sort | joint beamforming and power management for nonregenerative mimo two way relaying channels |
| topic | TJ Mechanical engineering and machinery |
| work_keys_str_mv | AT cheeyenleow jointbeamformingandpowermanagementfornonregenerativemimotwowayrelayingchannels AT dingzhiguo jointbeamformingandpowermanagementfornonregenerativemimotwowayrelayingchannels AT kinkleung jointbeamformingandpowermanagementfornonregenerativemimotwowayrelayingchannels |