# <center> Pre-Intern Notes </center>

**Topic: Random Access Procedure for 802.11ax**
Bariq S. Firmansyah
Institut Teknologi Bandung
[email](mailto://[e-mail])
###### tags: `NTUST-RESEARCH`

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***[5G] Research on Random Access: A. 3GPP LTE/5G NR; B. IEEE 802.11ax (Supervisor Ray: I~III should be done before April)***

*Goal: (A) Performance evaluation of the random access channel for 4G/5G networks (B) Performance evaluation of the Uplink OFDMA Random Access (UORA) in 802.11ax*

## Slotted ALOHA
>**Week 1**: -February 28, 2020
:::success
[slotted aloha note](https://hackmd.io/@bariqsufif/slotted)
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:::info
- [x] Study the background material of Slotted Aloha in book
- [x] Read this https://hackmd.io/@Ting-An/SycM0lvDS
- [x] Create the simulation of Slotted ALOHA
- [x] Draw a figure showing simulation and analytical results. X: Offered load, Y: Throughput
- [x] Compare the analytical and simulation result
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## Multichannel Slotted ALOHA
>**Week 2&3**: March 9, 2020
:::success
[multichannel slotted aloha note](https://hackmd.io/@bariqsufif/multichannelslotted)
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:::info
- [x] Study the background material of Multichannel Slotted Aloha in book
- [x] Create the simulation of Multichannel Slotted ALOHA
- [x] Draw a figure showing simulation and analytical results. X: Offered load, Y: Throughput
- [x] Compare the analytical and simulation result
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## One-Shot Random Access
>**Week 4-5**: March 23, 2020
:::success
[one-shot random access mote](https://hackmd.io/@bariqsufif/oneshot)
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:::info
- [x] Duplicate the result for Dr. Wei’s paper published on IEEE Comm. Ltr. (Ref: https://bit.ly/38pigLK)
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## IEEE 802.11ax
>June 6, 2020-
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[802.11ax summary](https://hackmd.io/@bariqsufif/11axsummary)
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:::info
- [x] IV-B.1. Selected Paper: [A Tutorial on IEEE 802.11ax High Efficiency WLANs](https://ieeexplore.ieee.org/abstract/document/8468986)
- [x] IV-B.2. Selected Paper: [Performance analysis of IEEE 802.11ax UL OFDMA-based random access mechanism](https://ieeexplore.ieee.org/document/8254054)
- [x] IV-B.3. Selected Paper: [Survey and Performance Evaluation of the Upcoming Next Generation WLAN Standard - IEEE 802.11ax](https://arxiv.org/pdf/1806.05908.pdf)
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