Succeeding with Technology Overview of Digital Communications.

Succeeding with Technology

Overview of Digital Communications


Digital Communications

Digital communications include all forms of modern electronic communications.

Personal communications involve communications that take place outside of industry – thi s is our focus.

Demo: http://secondlife.com/


Personal Communications

Old Skool Face-to-face

In person

Voice Home phone Business phone Public booths

Text Snail mail

New Skool - Digital Face-to-face

Video Phone/Email/Chat

Voice Cell Phone Voice Mail Internet Phone/Chat

Text Email Instant Messaging (IM) SMS Texting


Types of Communication

Synchronous Communication takes place in real time.Phone conversationInstant Messaging

Asynchronous Communication allows participants to leave messages to be accessed whenever.Voice mailEmailSMS Texting


1. Face-to-face

2. Video conferencing

3. Phone (voice)

4. Instant messaging/Chat

5. Voice mail

6. Email

7. SMS Texting

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Effectiveness vs. Convenience


Emerging Communications Technologies


Voice over IP (VoIP)

Technology that enables network managers to route phone calls over the same network they use for data.

Future of Phones: http://newsroom.cisco.com/dlls/video_audio_archive/?all Also see Video Telephony


Residential VoIP

• Residential VoIP, Broadband Phone• Phone service over a broadband Internet

connection.

http://www.voipchoices.com/vonage.html


Video Conferencing

Video conferencing is a technology that combines video and voice communications along with document sharing.


Cell Phone Technology


Cellular Network

A cellular network is a radio network in which a geographic area is divided into cells, with a transmission tower and station at the center of each cell, to support mobile communications.


Generations

1st Gen – analog wireless signal2nd Gen – digital wireless signal3rd Gen (3G) – broadband digital

network that supports both voice and data services such as videoCurrent 3G services are barely broadband3.5G with 3 Mbps data rates is under way


Generations

4th Gen The Wireless World Research Forum (WWRF) defines 4G as a

network that operates on Internet technology, combines it with other applications and technologies such as Wi-Fi and WiMAX, and runs at speeds ranging from 100 Mbps (in cell-phone networks) to 1 Gbps (in local Wi-Fi networks). 4G is not just one defined technology or standard, but rather a collection of technologies and protocols to enable the highest throughput, lowest cost wireless network possible. [wikipedia]

Anywhere, anytime computing.


Carriers

A cellular carrier is a company that builds and maintains a cellular network and provides cell phone service to the public.

See how they rate: www.consumerreports.org


GSM and CDMA

Digital networking standards for cell phone networks are GSM and CDMA.

GSM CDMA

CingularAT&TT-Mobile

VerizonSprintNextel

GSM: Global System for Mobile Communications

CDMA: Code division multiple access


GSM and CDMA

GSM Covered in virtually all parts of the

world Mature, more stable network with

robust features Less signal deterioration inside

buildings Talktime is generally higher Subscriber Identity Modules (SIM)

allows users to switch networks and handsets at will

interferes with some electronics, especially certain audio amplifiers

CDMA (IS-95) It can accommodate more users uses soft handoff, reducing the

likelihood of dropped calls has a well-defined path to higher

data rates are generally unable to roam

internationally Smaller market so features are

sometimes late in coming to CDMA devices

every time you subscribe with a new provider you must buy a new phone

GSM CDMA


VerizonSprintNextel

http://en.wikipedia.org/wiki/Comparison_of_mobile_phone_standards


GSM and CDMA

GSM Phones include a subscriber identity module (SIM) for security and convenient data transfer between phones.

GSM CDMA


VerizonSprintNextel


Choosing a Cell Phone Service

Consumers choose a carrier based on coverage area, handsets available, and services provided.

There are typically two service options: A pay-as-you-go plan is a prepay system in

which you buy minutes up front that must be used in a given time frame

Service contracts are typically for two years and involve finding a plan that best matches your usage



Calling plan option variables: Whenever, or anytime, minutes with no time restrictions Weeknight minutes, typically Monday through Friday, 9:00 p.m. to

5:59 a.m. or 6:59 a.m. Weekend minutes, typically Saturday 12:00 a.m. to Sunday 11:59

p.m. Rollover minutes are leftover unused minutes passed on from one

month to the next Mobile-to-mobile, or in-network calls refers to phoning other users

of the same carrier. Roaming refers to making calls outside the carriers coverage area

using another carriers network



Fees: Using “additional minutes” beyond your service plan

agreement can cost big $ in fees Roaming can cost big $ in fees


Cell Phone Technologies

Learn about Service Plans, Handsets, Features, and Services by clicking the logos below.


Cell Phone Features

http://www.phonescoop.com/phones/finder.php Phone FinderIn Depth


Cell Phone Technologies

Cell phone accessories provide added features for example… A 2 GB mini SD memory card can provide ample

storage digital photos, music, and video files. A Bluetooth headset allows you to interact with your

phone without taking it out of your pocket. Car chargers allow you to

charge your cell phone from your car power supply.

Assorted cases protect cell phones from damage and make them handy to access.

Bluetooth Ear bud reviews: http://review.zdnet.com/4566-12523_16-0.html?sort=edRating16+desc


Wireless Technologies Bluetooth is wireless technology

that enables a wide variety of digital devices to communicate directly.

• 33 ft range

• 1 Mbps

• www.bluetooth.com


Bluetooth

Succeeding with Technology Overview of Digital Communications.

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