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WHITE PAPER

Texas Instruments’ authors:

Anne Huang Business development manager for medical market, HPA

Lawrence Ronk Senior applications manager ARM MPU

Reed Hinkel Marketing manager ARM MCU

Mark Grazier Product marketing engineer Low-Power RF

Brian Blum Product marketing engineer Low-Power RF

Sid Shaw Business development manager Low-Power RF

Leo Estevez WBU technology strategist

Introduction

With the increasing incidence of chronic diseases,

the need to control health care costs and aging

populations, connected health technologies are

becoming increasingly important. The Continua

aggregation manager (AM) will be an essential device

in the connected health system, enabling personal

health devices to log data into a remote electronic

health record (EHR) for family and clinical review.

The AM can take the form of a cell phone, a personal

computer or a dedicated device.

This paper presents three different system

solutions for an AM.These include a high-performance

digital visual interface (DVI) AM (comprising hardware-

accelerated, high-definition [HD] audio/visual [AV]

codecs and a 3-D accelerated user interface [UI]), a

reduced-cost DVI AM (comprising software-based,

standard-definition [SD] AV codecs) and a low-power

AM (supporting software-based audio codecs).

Aggregation managers for the connected health system

Continua interoperability

The Continua Health Alliance comprises a group of health device original equipment manufacturers (OEMs), service providers and silicon vendors working to provide interoperability guidelines for personal health devices and aggregation managers (AMs). Although the 1.0 release of the g u i d e l i n e s i d e n t i fi e d B l u e t o o t h ® a n d u n i v e r s a l s e r i a l b u s ( U S B ) a s s t a n d a r d i n t e r f a c e s , f u t u r e r e l e a s e s o f t h e g u i d e l i n e s w i l l i n c l u d e B l u e t o o t h ® l o w e n e r g y ( B L E ) t e c h n o l o g y a n d Z i g B e e low-power personal area network (PAN) and local area network (LAN) interfaces, respectively. a s

OEMs currently use a combination of Ethernet, Wi-Fi and cellular interfaces, such as GSM for the AM wide area network (WAN) interface. To be a Continua Certified AM, the device must integrate at least one PAN or low-power LAN interface and a WAN or Internet protocol interface. Because many vendors wish to be interoperable with as many devices as possible, multiple low-power LAN/PAN and WAN interfaces are often integrated.

A Continua AM can take on various form factors. In some cases, this might be a PC or mobile phone. In other cases, it might be a media device connecting to existing or integrated displays. In low-power form factors, the AM can also be a low-power, wearable device. Because many vendors choose to implement both media-centric devices and low-power wearable devices, this white paper presents media-centric AM and low-power AM preintegrated designs.

Glucose meter

Aggregation

Telehealth

Cardio/strength

manager

service

Figure 1: AM in the medical ecosystem (Source: Continua overview presentation)

Personal device Thermometer

Pulse oximeter

Pulse/Blood pressure

Weight scale

Independent living activity

Peak flow

Medication adherence

Physical activity

Electrocardiogram

Insulin pump

Personal interface

Version 2 (underway)

Wide interface

center

Health interface

Health records

EHR

PHR

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