Published : December 31, 2013
Location : Indonesia
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Job description
This engineering position provides an opportunity to work closely with leading wireless operators, device and network vendors and R&D Teams across the globe on cutting-edge wireless technologies such as UMTS/HSPA/LTE(and LTE-A in future). Responsibilities would include various aspects associated with the design, optimization, capacity estimation and management, debugging of air-interface and core-network issues of UMTS/HSPA/LTE networks. Additional areas of responsibility could include wireless system parameter recommendations, participating in new technology inter-operability tests and field trials in conjunction with R&D teams, lab performance studies, authoring white-papers and documents on new wireless technologies and standards. The candidate should have an academic background in digital communications, wireless and computer communication networks. The successful candidate should have the ability to understand detailed technical design; implementation and issues related to UMTS/HSPA/LTE technologies and have RF & Network optimization Industry experience. The candidate should be able to provide onsite support to mobile operators worldwide to help roll out and enhance their UMTS/HSPA/LTE networks. Position requires significant customer interaction and ability to work in multi-disciplinary teams. 50% Travel Required.Responsibilities
Interact with wireless Operators to investigate and characterize the performance of CDMA/UMTS/HSPA/LTE networks in various aspects ranging from core network, air interface, to devices and applicationsUse handset and network infrastructure based advanced tools to accurately measure existing and potential network performance
Use in-house simulation platforms written in C/C++/Matlab with live network traffic data and develop solutions to improve network performance & efficiency
RF and OTA Parametric Optimization and troubleshooting involving the use of various complex data collection and post-processing tools to assess UMTS network performance and propose solutions to problems
RF Network Planning, including propagation model calibration, link budget definition, network planning tool configuration, coverage and capacity planning and network growth dimensioning
Support operator for development and evaluation of infrastructure vendor RFPs for UMTS/HSPA/LTE networks
Support development of forward looking solutions to address network operator growth and expansion plans covering all network entities
Support efforts related to wireless network voice/data capacity estimation and techniques to mitigate/manage cellular network congestion
Develop tools for extracting data from large data sets for wireless system performance analysis and parameter comparisons
Develop white-papers, conference contributions, technical memos, new technology training documents and detailed technical presentations. These may be focused on wireless system performance, network parameter optimization, new wireless technology standards or analysis of wireless network/device issues
Ability to present complex technical ideas and results to multi-level, multi-disciplinary internal and external audience
Basic Qualifications
Experience in design, development, testing, and evaluation of cellular (UMTS/HSPA/LTE) systems.Background in 3GPP protocol standards, design, development, integration and verification, call processing of cellular (CDMA/UMTS/HSPA/LTE) networks.
Proven track record with innovative problem solving and hands-on experience with UMTS/HSPA/LTE network design, network troubleshooting, fine-tuning, and optimization in wireless operator working environment is required
Experience with data services including knowledge of protocols such as TCP/UDP/IP is required