Cell ID and Angle of Departure Estimation for Millimeter-wave Cellular Systems in Line-of-Sight Dominant Conditions Using Zadoff-Chu Sequence Based Beam Weight
Abstract
1. Introduction
2. Proposed Method
2.1. Proposed Beam Weight Generation Mehtod
2.2. CID and AoD Estimation Method
3. Simulation Results and Discussion
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Notation | Meaning | Notation | Meaning |
---|---|---|---|
Number of Tx antennas | Amount of cyclic shift of symbol for beam weight vector with root index | ||
Number of subarrays | Amount of cyclic shift of subarray for beam weight vector with root index | ||
Number of antenna elements in a subarray | Complex constant determined by (, , ) | ||
Tx antenna element index | DFT-based beam weight vector for -th Rx beam | ||
Antenna element index in a subarray | AoA vector for -th path in a cell with CID | ||
Symbol index in beam training period | AoD vector for -th path in a cell BS with CID | ||
Root index of ZC sequence | Channel matrix for -th path | ||
Subarray index | Beam gain of Rx beam of MS for -th path in a cell with CID | ||
Cell ID (CID) | AoA of -th path in a cell with CID | ||
Rx beam index | AoD of -th path in a cell with CID | ||
Path index of channel | Channel coefficient of -th path | ||
Sample index of FFT output | AWGN vector in training symbol period | ||
element of ZC sequence with a root index | Noise signal received at -th Rx beam in training symbol period | ||
Beam weight vector of BS with CID in symbol period | Time-domain signal received from BS with CID at Rx beam in MS | ||
Beam weight vector of subarray of BS with CID in symbol period | IDFT of signal received from BS with CID at Rx beam in MS |
Conventional Method | Proposed Method | |
---|---|---|
17, 17, 16 | 4352 | 272 |
34, 17, 16 | 8704 | 272 |
31, 31, 16 | 15,376 | 496 |
62, 31, 16 | 30,752 | 496 |
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Kim, Y.J.; Cho, Y.S. Cell ID and Angle of Departure Estimation for Millimeter-wave Cellular Systems in Line-of-Sight Dominant Conditions Using Zadoff-Chu Sequence Based Beam Weight. Electronics 2020, 9, 335. https://doi.org/10.3390/electronics9020335
Kim YJ, Cho YS. Cell ID and Angle of Departure Estimation for Millimeter-wave Cellular Systems in Line-of-Sight Dominant Conditions Using Zadoff-Chu Sequence Based Beam Weight. Electronics. 2020; 9(2):335. https://doi.org/10.3390/electronics9020335
Chicago/Turabian StyleKim, Yeong Jun, and Yong Soo Cho. 2020. "Cell ID and Angle of Departure Estimation for Millimeter-wave Cellular Systems in Line-of-Sight Dominant Conditions Using Zadoff-Chu Sequence Based Beam Weight" Electronics 9, no. 2: 335. https://doi.org/10.3390/electronics9020335
APA StyleKim, Y. J., & Cho, Y. S. (2020). Cell ID and Angle of Departure Estimation for Millimeter-wave Cellular Systems in Line-of-Sight Dominant Conditions Using Zadoff-Chu Sequence Based Beam Weight. Electronics, 9(2), 335. https://doi.org/10.3390/electronics9020335