LTE-A/PRO and 5G Advanced Smartphone & User
Equipment Architectures

Registration and Evening Reception

Welcome and Introductions

Host Keynote Opening Remarks and Presentation

• Where are we today with performance wireless, landline, fiber
• Use cases, business requirements and where the status of industry is today
• What are the applications that are driving demand beyond todays 4G
• Where are we towards 1GBps?
• How do we get there and what will it do for us?

Networking Break

Carrier Perspectives

• Sub-6GHz architectures, band plan and implementation details across regions
• Required features, concurrent use of features, use cases and performance benefits of the approaches
• Data-rates, user experience, network efficiency, network capacity, and DC consumption of the UE
• Incremental performance benefit of 5G vs. LTE-Advanced Pro for sub-6GHz?
• Review of specific Frequencies being considered for by carriers
• What are the regulatory barriers to shared use scenarios below 6 GHz for UEs and what is the likelihood of acceptance?
• What is the FCC's position on shared use in the US?
• What is the shared-use regulatory situation in China, Europe, Japan, etc.?
• Is there evidence in the market already for shared use sub-6GHz?
• What technical barriers, if overcome, would enable shared-use sub 6 GHz?
• New sub-6GHz bandwidths and bands and impact on phone design
• Timelines for 5G roll out below 6GHz
• Frequency spectrum prioritization under 6 GHz
• Transition from 4G evolution, share spectrum, multiple CA combinations, 2 UL scenarios to 5G
• 3.5GHz and C-Band spectrum expansion
• Use cases that differentiate 5G from 4G LTE
• Timing/challenges/compelling case associated with 5G mmWave in the UE
• How to accelerate efforts to get 5G services established

Looking forward to 2019

• What will the smartphone architecture look like for the first 5G devices?
• Considering the historical context for what we can learn from 4G
• 5G technology and how it will be supported in early devices
• What kind of a device is it?
• How many radio’s will it have?
• How many antenna’s will it have?
• What will be the level of integration?
• What will be the relationship between WiFi and 5G?
• What will be the test challenges?

Networking Lunch

Chipset Perspectives

• Expected architecture and 5G UE capabilities
• What is 5G in handsets?
• 5G device concerns and technical challenges
• 5G PHY and MAC Architecture
• UE HW architecture (DSP and HW considerations and HW / SW partitioning)
• High Level Device Architecture (BB+RF) Dual Band options (u-WAVE and mm-Wave)
• Millimeter wave air interface for smartphones?
• High frequency filtering needs for 5G.
• The expectation of architecture of 4G and 5G inter-working.

Networking Break

Chipset Perspectives Continued

Technology Enablers

End of Day Panel

Adjourn for Day

Networking Dinner-

Lightfoot Restaurant

Networking Breakfast

Technology Enablers

• What will be the different requirements in 5G compared to 4G
• Uplink performance, Bands
• Multi-RAT Challenges and direction
• UE radio support mechanism for 5G and legacy networks (4G)
• NR-5G from 3GPP standardization progress
• 5G interface and communication standard implications - Impact on automotive industry and other verticals
• What compound semiconductor materials will be required for PAs and other devices
• Digital Front End, radio, modem, etc. type of proposed architectures.
• Reconfigurable logic IP
• How <6GHz 5G specs will be different from LTE advanced from handset perspective?
• Understanding of conflicts with shared spectrum and architectures to address, i.e. filtering, linearity, compression, smartphone filtering and switching architectures; PA output power levels; array configurations, control, performance requirements; LNA requirements
• mm-wave integration
• Connection to the RAN, IoT versus Voice/Multimedia Smartphone Calls
• 5G defined and the challenges related to PCB and materials
• Tuning of center frequency and bandwidth
• Multi mode device architectures
• Filter technologies
• Impact on terminal for sub 6 GHz 5G
• Massive MIMO perspective
• Low latency perspective
• MTC perspective
• 5G smartphone reference architecture.
• Potential Front-end structure and spec, of sub 6GHz

Networking Break

Technology Enablers, continued

• What Kind of RFFE Will 5G Broadband Devices Need?
• New and Adaptable Waveforms
• Radio and antenna system integration in smartphones for 5G systems
• Power Amplifiers
• Digital Pre-distortion
• Assessing crystal BAW filter technology and polycrystalline BAW filter technologies
• Filtering requirements
• Technical demands 5G architecture will put on handsets and systems (bandwidth, linearity, bands, power handling, rejection, etc).

Networking Lunch

Technology Enablers, continued

• Phone architecture in 5-6 GHz range, Filter requirements and the projection towards the mm-wave integration
• Passive component issues with new bandwidths and mmWave
• Device-to-Device front-end design issues
• Power consumption in eMBB applications for very high data-rate & latency
• Challenges and implications to support sub 6GHz and mmWave 5G in mobile user equipment
• Expectations of the link budget and use cases associated with mm wave in mobile user eq. A definition of types of UEs that would include mm wave.
• Challenges and key bottlenecks for mm-Wave front-ends. Expected array configurations for mmW 5G smartphones.
• What are the major technical challenges for the integration of mmWave in 5G mobile user equipment?
• Will beam-forming and tracking also be at the UE side? why?

Networking Break

Test & Validation

• On the way to 5G one trend seems to be clear, the need for larger bandwidth. This will only be possible by using additional frequencies, especially in the higher frequency ranges, such as mm-wave
• Challenges of future test and measurement aspects including:
  • over the air connection to the UE in R&D and production environments
  • power consumption analysis and component verification
• Testing of the beamforming patterns and tuned filtering during development and validation
• What level of testing is required in production?
• Testing challenges and strategies
• Antenna measurement challenges
• Front end module architecture and test method
• Specific test challenges associated with use of mmWave frequencies
• Practical antenna design for mmWave. How many arrays, where placed? How will hand/head blocking be mitigated and implications on test methods.
• Antenna & RF front end multiplexing challenges for 4x4 MIMO TX chain linearity challenges with 5G new modulation schemes
• Trade-offs in antenna location, non-ideal antenna isolation, beamforming plans and how this influences the overall architecture
• High order MIMO on handsets antenna directivity in high-frequency bands & impact to mobile handset
• How effective can beamforming be at various frequencies and mobile velocities?
• mmWave antenna design for UE/CPE
• Implications on antenna architectures for mmWave (MIMO, beamforming)
• Antenna consideration regarding mmWave - number of component carriers and number of antenna in the UE side
• How many mmWave bands to be supported in one phone?
• CSI and beamforming procedure and measurement and report in sub 6GHz
• Massive MIMO
• Addressing primary differences in 5G antenna design: interface between the antenna and RFFE; use of arrays instead of single antennas; reliance on beamsteering
• Supporting higher gain with arrays of small antennas
• Coping with beamwidth reduction
• Beamsteering and beamscanning approaches

Closing Discussion

Evening Reception for 5G End-to-End Networks <6GHz Workshop