Sayandev Mukherjee Email & Phone Number

California, United States

Louisville, Co, Us

Applying Machine Learning to communication networks, wired and wireless.

Louisville, Co, Us

Pursuing exciting applications of AI and ML to wireless communication systems

Shenzhen, Guangdong, Cn

Machine Learning as a Service (MLaaS) platform for 4G and 5G Wireless Networks● Designing support for data augmentation, feature extraction, model training, deployment, and monitoring under the topological, compute, and storage constraints of a wireless network● Federated Learning, Split Learning, and hierarchical distributed decentralized training methods● Neural Architecture Search methods

Palo Alto, Ca, Us

Deep Learning -- enhancements to training algorithmsDeployed and evaluated several hyperparameter optimization algorithms for training deep neural networks (including Hyperband and Bayesian optimization), focusing on image classification modelsProposed, deployed, and evaluated methods to make image classification deep neural network models robust to adversarial examplesMachine Learning for natural language-initiated task recognition and implementationImplemented, trained, and tested machine learning methods to extract task information from natural language text for applications to service offerings on mobile devicesData Ninja Services (https://www.dataninja.net): a commercial suite of text analytics APIs (closed in October 2017)Designed, implemented, and deployed several APIs in the Data Ninja suite of servicesDesigned overall data workflow to create indexes and dictionaries used by all services, including automated periodic updatesDesigned and implemented prototype news exploration web service with machine learning based automatic topic extraction and semantically meaningful topic labeling

Palo Alto, Ca, Us

Wireless communications - research and standardsHARQ in the LTE and LTE-A standard: wrote a Matlab simulation platform; simulated the performance of the LTE HARQ specification; proposed and simulated the performance of other HARQ retransmission schemes with different definitions of the redundancy versionsDownlink SINR analysis in heterogeneous cellular networks, with multiple tiers of base stations, such as macro/micro/pico/femto (both open and closed access): derived results on outage and camping probabilities for arbitrary users in such heterogeneous networks

Milpitas, Ca, Us

A startup founded to make an enterprise-RAN comprising a network of 3G femto-access-points with a central controller, providing 3G data rates with high user densities within the enterprise, all without requiring any modification (software or hardware) to users' handsets.Radio Resource ManagementDesigned, implemented, and lab-tested algorithms to auto-configure a network of access points under the coordination of a central controller, including: (a) measurement of radio environment by access points to allow for automated choice of spreading codes; (b) automated assignment of transmit powers to access points based on standards-mandated measurements from user equipment; (c) periodic updating/refreshing/aging out of old measurements; and (d) handling sudden changes to the network such as the insertion or deletion of access pointsDesigned simulation platform to compare the performance of a network with central coordination versus a collection of consumer femto-cells without coordination, for different densities of cell placement and different sizes of deployment areas.Proposed a scheme to mitigate the impact on the uplink at a closed subscriber group cell of transmissions by a local user not authorized to access this cell (patent applied for)HSUPA Scheduler design and developmentDesigned and implemented a comprehensive simulation platform to compare the performance of mac-es schedulers on the uplink of a HSUPA network, with varying degrees of central coordination; proposed and simulated different scheduler schemes to reduce or eliminate spikes in received power on the uplink in the presence or absence of users in soft handoff, thereby enhancing system stability (patents applied for)Tested scheduler performance in a full-stack hardware HSUPA laboratory setup involving a controller, an access point, and several user terminals, including automated scripts to trigger soft handoffs, extract relevant data from log files, and plot them

Designed a simulation suite (in Matlab and C++) for a WiMAX system to compare the bit and block error rate sensitivities of various MIMO receiver signal processing algorithmsContributed the sensitivity results to the WiMAX standard's Radio Conformance Testing (RCT) requirements; also represented Marvell at IEEE 802.16 standards conferences

Murray Hill, Nj, Us

Support for mobile users in the IEEE 802.16-2004 standard Proposed, analyzed, and patented protocols to (i) support user mobility (including handoffs) in the IEEE 802.16-2004 standard, originally intended for stationary users only, and (ii) reduce energy consumption and increase battery life of untethered users in such a system, all without making any change to the existing 802.16-2004 standard.An All IP network architecture for a Wireless Communications SystemDesigned the fast-cell-site selection and power control schemes for a comprehensive proposal for a distributed all-IP cellular data network with latency small enough to support voice over IP (VoIP). Advanced Wireless Access (AWA) System This was a fixed wireless loop-type system based on steerable antennas and Time Domain Multiple Access (TDMA) designed to provide high speed (several Mbps) data services in addition to voice.Designed and implemented a system simulator (in Matlab and C)Proposed dynamic frequency-allocation schemes to maximize frequency reuse and minimize interference in the system (patent awarded)

Murray Hill, Nj, Us

As a researcher in the area of wireless at Bell Laboratories, I have worked on resource allocation problems for TDMA (both IS-136 and GSM) and CDMA (IS-95, cdma2000, W-CDMA), and on capacity and coverage issues for relay, mesh, and ad-hoc networks. The work usually involved a mixture of analysis and simulation, with the simulators written in either Matlab or C/C++.Connectivity and Power Usage in Ad-Hoc and Hybrid Ad-Hoc Networks Ad Hoc networks--performance and topology modification algorithms Scheduling Strategies for Cellular Systems with Relays Analysis of Proportional-Fair scheduling algorithm and its application to opportunistic beamforming Comparison of average total downlink transmit power with and without soft handoff in UMTS Relationship Between Bit and Block Error Rates for Viterbi Decoders Role of Measurement and Prediction in Effective Handoff in Cellular Systems Handoffs in Cellular Systems Macro- and Micro-diversity in Cellular Systems Statistical Properties of Wireless Communication Channels Viterbi Equalizer for Digital PCS wireless handset

M.S., Ph.D., Electrical Engineering

B.Tech, Electrical Engineering

Aisse; Aissce