What is the full form of DAMPS?


Introduction

DAMPS (Digital Advanced Mobile Phone Service) is a cellular technology that was first made available in the US in the 1980s. It provided voice communication services to users of mobile phones and was the main commercially available cellular network in the US.

DAMPS used analogue transmission, which at the time was the industry standard for cellular networks. Later, modern cellular systems took its place, which had a few advantages over analogue ones such as improved call quality, increased capacity, and improved security.

DAMPS was developed by the American Telephone & Telegraph (AT&T) business, which at the time of its creation was the biggest US telecommunications operator. This system was built on the Advanced Portable Phone System (AMPS) technology, the first cellular network to be made available in the US in 1983. DAMPS transmitted speech signals between mobile phones and cell towers using frequency modulation (FM). Accessible in all US major cities, the network used the 800 MHz frequency band.

DAMPS played a significant role in the development of mobile communication innovation and cleared the way for the widespread appropriation of mobile phones. It provided a stage for mobile phone manufacturers to develop new technologies and highlights, such as text messaging, caller ID, and voicemail. It also allowed for the improvement of mobile applications and administrations, such as mobile banking, versatile gaming, and mobile commerce.

However, DAMPS had a few limitations, including constrained capacity, destitute call quality, and vulnerability to eavesdropping and obstructions. These limitations led to the advancement of digital cellular networks, such as Global System for Mobile Communications (GSM) and Code Division Multiple Access (CDMA), which advertised a few advantages over analog networks. Digital systems provided better call quality, expanded capacity, improved security, and bolster for information transmission.

Technical features of DAMPS

DAMPS (Digital Advanced Mobile Phone Service) was an analog cellular network that operated on the 800 MHz frequency band. A few of its technical features include −

  • Frequency modulation − DAMPS utilised frequency modulation (FM) to transmit voice signals between portable phones and cell towers. FM was the standard modulation strategy for analog cellular systems at that time.

  • Time-division multiplexing − DAMPS utilised time-division multiplexing (TDM) to share the available frequency bandwidth among multiple clients. TDM allowed for multiple clients to access the same recurrence band by partitioning the band into time openings.

  • Dual-tone multi-frequency signalling − DAMPS utilised dual-tone multi-frequency (DTMF) signalling to empower users to make phone calls and access voice mail services. DTMF is a strategy of sending tones over a phone line that are utilised to activate particular functions, such as dialling a phone number or getting to voicemail.

  • Roaming − DAMPS allowed clients to roam over diverse service zones and still utilise their mobile phones. Roaming was made possible through understandings between distinctive network operators, which permitted clients to get to other systems when they were outside their home network.

  • Restricted capacity − DAMPS had constrained capacity, which implied that the number of clients that may use the arrangement at the same time was restricted. This limitation led to congestion on the network amid peak hours and diminished call quality.

  • Security − DAMPS had limited security features and was vulnerable to eavesdropping and interference. Calls made over DAMPS could be intercepted by anybody with the correct equipment, making it a security chance for sensitive communications.

Advantages and disadvantages of DAMPS

A few advantages of DAMPS (Digital Advanced Mobile Phone Service) were −

  • Lower cost − DAMPS was more reasonable than prior analog mobile phone services, which made it available to a wider range of individuals.

  • Wider coverage − DAMPS had a wider coverage area than prior analog cellular networks, which allowed people to utilise their mobile phones in more ranges.

  • Longer battery life − DAMPS utilised less power than earlier analog mobile phone services, which resulted in longer battery life for mobile phones.

  • Compatible with earlier phones − DAMPS was compatible with prior analog phones, which permitted people to proceed using their existing mobile phones.

DAMPS, however, has a few drawbacks as well, including −

  • Limited capacity − DAMPS had a limited capacity, which meant that the number of clients that could simultaneously use the network was also limited. Due to this restriction, the network experienced congestion during high usage hours, which decreased call quality.

  • Security risks − DAMPS was susceptible to interruption and eavesdropping and had few security features. Anybody with the right tools may intercept calls made over DAMPS, posing a security risk for critical information.

  • DAMPS had fewer functionality than the computerised cellular networks that came after it, like the ability to transmit text messages or access the internet.

  • Limited lifespan − Digital cellular networks, which provided more cutting-edge features and improved the quality of calls, gradually superseded DAMPS. DAMPS had a short lifespan as an outcome and no longer exists in use.

Comparison of DAMPS with other mobile phone technologies

A table contrasting DAMPS and other mobile phone technology can be found below −

Technology

Generation

Frequency Band

Modulation

Capacity

Coverage

Security

DAMPS

2G (analog)

800 MHz

Frequency Modulation (FM)

Limited

Wider than earlier analog networks

Limited security features

GSM

2G (digital)

900/1800 MHz

Gaussian Minimum Shift Keying (GMSK)

Higher than DAMPS

Global coverage

Improved security with encryption

CDMA

2G (digital)

800/1900 MHz

Code Division Multiple Access (CDMA)

Higher than GSM

Similar coverage to GSM

Improved security with encryption

3G

3G (digital)

Various frequencies

Wideband Code Division Multiple Access (WCDMA) or Code Division Multiple Access 2000 (CDMA2000)

Higher than 2G

Global coverage

Improved security with encryption and authentication

4G/LTE

4G (digital)

Various frequencies

Orthogonal Frequency Division Multiplexing (OFDM)

Higher than 3G

Global coverage

Improved security with encryption and authentication

Conclusion

In conclusion, the introduction of DAMPS (Digital Advanced Mobile Phone Service) marked a significant development in mobile phone innovation. Compared to earlier analogue mobile phone services, it provided reduced prices, a broader range, and a longer lifespan for the battery. However, digital cellular networks that followed were able to get over DAMPS' drawbacks, which included their limited capacity, security problems, constrained highlights, and short lifespan.

FAQs

Q1. What frequency range did DAMPS operate in?

Ans: DAMPS used the 800 MHz range of frequencies.

Q2. What modulation did DAMPS employ?

Ans: DAMPS modulated its broadcast using frequency modulation (FM).

Q3. What distinguishes DAMPS from older analogue mobile phone services?

Ans: In comparison to preceding analogue mobile phone systems, DAMPS provided reduced prices, greater coverage, and longer battery life.

Updated on: 01-Dec-2023

51 Views

Kickstart Your Career

Get certified by completing the course

Get Started
Advertisements