Abhilash Yarragolla Email & Phone Number

Hyderabad, Telangana, India

• Spearheading the creation of advanced RF evaluation driver sources for innovative open-source drivers on chipsets SiWT917 and RS9116.• Playing a pivotal role in the support for Matter over Wi-Fi applications.• Elevating the functionality of SiWT917 open-source drivers by integrating cutting-edge features like Wi-Fi concurrent mode and sophisticated RF evaluation.• Successfully adapting WLAN examples to the Simplicity Studio environment for the SiWx917 SoC chipsets.• Leading a global technical seminar on “Designing Connected Wi-Fi 6 Sensors Using SiWx917 and Matter.”• Conducting comprehensive training sessions for Field Application Engineers (FAEs) in various international regions on SiWT917 chipset functionalities.• Resolving critical Tier-0/1 customer issues, streamlining their integration, and facilitating the transition to production stages.

• Effectively resolved a variety of customer issues as a WLAN Application Engineer, including Roaming, Throughput, WLAN driver porting on Yocto builds, Co-existence (WLAN+BT), Concurrent mode, power saving, and Background scanning.• Addressed DFS channels in 5GHz, WLAN Vulnerabilities, and Certification challenges with RS9116 & RS9113 chipsets, facilitating customer transitions to production.• Developed the HAL layer SDIO interface for the RS9116W (Wise Connect) chipset on the EFM32 platform using Simplicity Studio IDE.• Successfully ported RS9113 Manufacturing device drivers (Proprietary) to higher kernel versions.• Engineered a Wi-Fi provisioning application with BLE integration in the Linux Bluez stack.• Enhanced WLAN driver features, including AP isolation, Roaming fixes, and Background scanning, and integrated IOCTLS support for TX power and rate adjustments in Proprietary NET80211 and OSD drivers. Also authored technical documentation and application notes.• Conducted various customer-specific tests on RS9116 & RS9113 chipsets, including stability, rate vs range, throughput, and regression testing. Played a key role in replicating customer issues on different platforms, debugging, and resolving these issues.

Hyderabad, Telangana, India

• Spearheaded board bring-up processes for various Freescale iMX platforms (iMX6SD/SL/UL, iMX8, Wandboard, Raspberry Pi), utilizing Yocto build systems and Board Support Packages (BSP).• Successfully ported Wi-Fi and Bluetooth (BT) device drivers across multiple Linux OS environments, enhancing system compatibility and performance.• Adapted Wi-Fi and BT device drivers for various Android OS versions (7, 8, 9) on diverse iMX platforms, including custom customer platforms and Smart watches with Wear OS (Fossil BB2, BB3, OpenQ).• Orchestrated the integration of board configurations, porting of device drivers, and HIDL-related modifications for proprietary drivers, and developed a BT vendor library in the Hardware Abstraction Layer (HAL).• Developed and maintained Wi-Fi & BT Android Device drivers, ensuring seamless interaction with the Android HAL (BT & WLAN vendor libraries), and ported both open-source and proprietary drivers for various chipsets (RS9113 & RS9116).• Resolved a wide array of customer issues in WiFi drivers (OSD and Proprietary), focusing on performance, concurrent mode, power save (SDIO & USB), throughput, and multi-VAP. This involved extensive remote debugging sessions with clients to resolve issues on customized platforms and facilitate their transition to production.• Proficient in utilizing various debugging tools, including ADB, GDB, dmesg, logcat, wpa_supplicant & Hostapd debug logs, Sniffer card, Wireshark/Omnipeek, tcpdump, SDIO analyzer, and Spectrum analyzer, to diagnose and rectify system issues effectively.

Hyderabad Area, India

Hyderabad Area, India

Nellore Area, India