Ang Bluetooth ay Pihikan at Malakas ang Konsumo ng Enerhiya…at Hindi Na Kailangan

While Bluetooth technology has been around for ages, it is only in the past decade that the underlying technology has advanced to the point where it has become commonplace.  From phones to cars, speakers, and more – Bluetooth is everywhere.  Its development marked a significant advancement in wireless communication, shaping how we interact with technology in our daily lives.  However, this may soon change with the development of a bagong teknolohiya by researchers at the University of Sussex that promises to be more energy-efficient and requires a smaller footprint inside electronic devices through the use of electric field modulation.

Pag-unawa sa Bluetooth

Before diving into electric field modulation and the benefits it can afford, it is important to understand what Bluetooth is, and how it works.

Ano ang Bluetooth?

Bluetooth is a wireless technology enabling the exchange of data over short distances.  It’s named after Harald Bluetooth, a 10th-century king who united Denmark and Norway, symbolizing the technology’s intent to unify communication protocols.

Ericsson (ERIC ), a Swedish telecommunications company, initiated the development of Bluetooth in 1994 in an attempt to create an alternative to RS-232 data cables.  It wasn’t until 1999 that Bluetooth found its way into a consumer device.

Bluetooth’s initial versions, like 1.0 and 1.0B, had significant issues, including a lack of communication between devices.  It wasn’t until Bluetooth 4.0, which was released in 2010, that the technology finally had the polish to become commonplace in everyday electronics.

Over the years, Bluetooth has become ubiquitous in various devices, including smartphones, laptops, speakers, and car systems, for activities like file transfer, audio streaming, and as a means for IoT (Internet of Things) devices to communicate.  However, its usage has faced criticism for being finicky in terms of connectivity and pairing and for being relatively power-hungry compared to other wireless technologies, especially in its earlier versions.

As technology has advanced, alternatives like Wi-Fi Direct, NFC (Near Field Communication), and now electric field modulation have emerged, offering faster data transfer rates and more reliable connections for specific use cases.  This evolution has led to discussions about the decreasing necessity of Bluetooth in a world where more efficient and reliable wireless communication technologies are available.

Paano ito gumagana?  Elektromagnetikong Modulation

Electromagnetic modulation is a fundamental technique used in wireless communication, including Bluetooth, to transmit information over electromagnetic waves.  With regards to Bluetooth, this involves encoding digital information onto radio waves in the 2.4 GHz Industrial, Scientific, and Medical (ISM) band.

Essentially, Bluetooth works by sending data through the air using electromagnetic waves.  This is done by changing (modulating) these waves in different ways to carry information.  There are three main types of changes that can be made:

1. Amplitude Modulation (AM): Pagbabago ng taas (amplitud) ng mga alon.
2. Frequency Modulation (FM): Pagbabago ng agwat (dalas) sa pagitan ng mga alon.
3. Phase Modulation (PM): Pagbabago ng panimulang punto (pahina) ng mga alon.

For Bluetooth specifically:

• Gaussian Frequency-Shift Keying (GFSK): Ito ang pangunahing paraan ng pagpapadala ng data ng Bluetooth.  Bahagyang binabago nito ang dalas ng alon upang ipakita ang digital na data, na isang matatag at epektibong pamamaraan.
• Enhanced Data Rate (EDR): Ginagamit sa mga mas bagong bersyon ng Bluetooth upang magpadala ng data nang mas mabilis.  Pinagsasama nito ang GFSK sa mga advanced na pamamaraan ng Phase Modulation, na nagpapahintulot ng mas maraming data na maipadala sa parehong oras.
• Frequency Hopping: Binabago rin ng Bluetooth ang dalas nito sa isang pattern na kilala ng parehong padala at tumanggap na mga aparato.  Ginagawa nitong mas ligtas at mas hindi madaling maabala ng ibang mga aparato.

Simply put, electromagnetic modulation in Bluetooth involves varying the frequency, phase, or amplitude of radio waves to transmit data.  This is achieved through methods like GFSK and enhanced schemes in EDR, all while utilizing frequency hopping for improved security and interference resistance.

Pag-unawa sa Modulation ng Electric Field

Now that you’ve taken the time to learn about the advent of Bluetooth, and its inner workings relying on electromagnetic modulation, a better grasp on its potential replacement can be attained.

Ano ang Modulation ng Electric Field?

As previously stated, there are now ongoing discussions surrounding the necessity of Bluetooth in modern devices.  This brings us to Electric Field Modulation.

Electric field modulation is a new technology developed and being shopped to manufacturers by Professors Robert Prance and Daniel Roggen at the University of Sussex.  If this team of researchers is correct in its interpretation, Electric Field Modulation may represent a significant leap forward in wireless data transmission technology – potentially replacing traditional electromagnetic modulation used in Bluetooth, Wi-Fi, and 5G.  The teams’ approach utilizes short-range electric waves for data transmission, which are inherently more energy-efficient than electromagnetic waves.

From a more technical standpoint, electric field modulation differs significantly from its electromagnetic counterpart by controlling variations in electric fields, rather than encoding data on electromagnetic waves.  Electric fields, which are an aspect of the electromagnetic spectrum, are created by electric charges and can influence other charges in their vicinity.  By modulating these fields, data can be transmitted between devices that are in close proximity.  The team notes that its early “…system is capable of transmitting 8-bit mono audio at a sample rate of 16 kHz (128 kbps) with a BER of less than 10 ^−6.7 at 50 cm, and less than 10 ⁻⁴ at 75 cm,”

The proximity limitations of electric field modulation make it particularly suitable for personal and wearable devices as they are often close to whatever it is they are interacting with.  The researchers behind the technology note that this approach significantly reduces power consumption, thereby extending the battery life of devices.

Moreover, the team indicates that electric field modulation opens up novel interaction paradigms.

“Ang pag-unlad na ito ay maaaring magpabuti kung paano natin ginagamit ang teknolohiya sa araw-araw at magbukas ng malawak na hanay ng mga futuristic na aplikasyon. Halimbawa, isang pulseras na gumagamit ng teknolohiyang ito ay maaaring magpalitan ng mga numero ng telepono sa simpleng pagkamay, o isang pinto ay maaaring mabuksan sa pamamagitan lamang ng paghipo sa hawakan.”

This aspect of the technology not only enhances user experience but also paves the way for a range of futuristic applications, seamlessly integrating technology into everyday interactions.

Paano ito mas mahusay?

Commenting on how this technology is superior, Daniel Roggen, Professor of Engineering and Design at U of S, states,

“Hindi na natin kailangan umasa sa electromagnetic modulation, na likas na kumakain ng baterya. Maaari nating mapabuti ang buhay ng baterya ng mga wearable technology at home assistants, halimbawa, sa pamamagitan ng paggamit ng electric field modulation imbis na Bluetooth. Ang solusyong ito ay hindi lamang magpapadali ng ating buhay, kundi magbubukas din ng mga bagong oportunidad para makipag-ugnayan sa mga aparato sa mga matatalinong tahanan.”

Important to note is that over the years, there have been many technologies that are simply too cost-prohibitive to become practical, hindering widescale adoption.  If the team behind Electric field modulation is correct, it will not be one of them.  Rather, Roggen states that,

“Ang teknolohiya ay mababa rin ang gastos, ibig sabihin maaari itong ilunsad sa lipunan nang mabilis at madali. Kung ito ay mass-produced, ang solusyon ay maaaring i-miniaturize sa isang chip lamang at magkakahalaga lamang ng ilang sentimo bawat aparato, na nangangahulugang maaari itong magamit sa lahat ng aparato sa hindi kalayuang hinaharap.”

The bottom line is that electric field modulation could be set to revolutionize how we connect our devices in the coming years.  It offers a low-power, efficient, and intuitive way to transmit data, especially in scenarios where devices are within close range of each other.  This advancement promises to extend battery life, reduce costs, and enable new forms of interaction with technology.
Furthermore, the low cost and potential for miniaturization make it a practical and scalable alternative.  These qualities position electric field modulation as a superior choice for personal and smart home devices, promising enhanced user interaction while conserving energy.  Simply put, in most instances, this technology is more affordable, flexible, and efficient than Bluetooth.

Mga Totoong Aplikasyon

As mentioned Electric field modulation technology, with its innovative approach to data transmission, has the potential to revolutionize various aspects of our daily lives.  Some of the most likely real-world applications include:

• Wearable Technology: Mga aparato tulad ng fitness trackers at smartwatches ay maaaring makipag-ugnayan nang mas epektibo sa mga smartphone, na lubos na nagpapahaba ng buhay ng baterya.
• Smart Home Interaction: Ang teknolohiyang ito ay maaaring magbigay-daan sa mga gumagamit na makipag-ugnayan sa mga kagamitang pang-bahay sa isang intuitive na paraan, tulad ng pag‑on ng ilaw o pag‑adjust ng thermostat sa simpleng pag‑hipo.
• Social and Professional Networking: Ang palitan ng digital na impormasyon, tulad ng mga detalye ng kontak o mga profile sa social media, ay maaaring maging mas madali, marahil sa pamamagitan ng mga simpleng galaw tulad ng isang pakikipagkamay.
• Security Applications: Ang mga keyless entry system ay maaaring maging mas maginhawa at ligtas, kung saan ang mga pinto ay mabubuksan sa simpleng pag‑hipo sa hawakan, na nag-aalis ng pangangailangan para sa pisikal na susi o kumplikadong security code.

These applications highlight the potential of electric field modulation to seamlessly blend technology into our everyday interactions, making them more natural and energy-efficient.

Mga Manlalaro sa Industriya

While it is unclear if any major manufacturers have eyes on electric field modulation at this time, there are a few clear leaders in the world of wireless technologies.  The following are examples of this.

*Ang mga bilang na ibinigay sa ibaba ay tama noong oras ng pagsulat at maaaring magbago.  Ang anumang potensyal na mamumuhunan ay dapat mag‑verify ng mga sukatan*

1.  NXP Semiconductors

Kabuuang Halaga	P/E Ratio	Kita Kada Bahagi (EPS)
51,617,101,025	18.57	$10.79

NXP Semiconductors (VNX.DE ) (NXPI ), isang Dutch semiconductor manufacturer, ay kilala sa malawak nitong portfolio sa wireless technologies.  Nag-aalok ito ng mga produkto kabilang ang Bluetooth Low Energy, Wi‑Fi, NFC, at Ultra‑Wideband para sa iba’t ibang aplikasyon sa automotive, IoT, at smart home sectors.  Ang mga teknolohiya nito ay nagpapadali ng tumpak na lokalisasyon, wireless control, at mga connectivity standard tulad ng Matter protocol.  Ang pag‑acquire ng NXP sa wireless assets ng Marvell noong 2019 ay lalo pang nagpalawak ng kanilang kakayahan sa wireless.  Ang mga solusyon nito ay ginagamit sa iba’t ibang sektor, kabilang ang industrial IoT, medikal, at consumer electronics.

2.  Broadcom Inc.

AVGO Tsart ng Presyo

Kabuuang Halaga	P/E Ratio	Kita Kada Bahagi (EPS)
400,906,504,455	29.85	32.52

Broadcom Inc. (AVGO ) ay isang pandaigdigang lider sa semiconductor, na nagsisilbi sa wired infrastructure, wireless communications, enterprise storage, at industrial markets.  Bilang isang Amerikanong multinational company, nagdidisenyo, nagde‑develop, gumagawa, at nag‑supply ng malawak na hanay ng semiconductor at infrastructure software products.  Ang malawak na portfolio ng Broadcom ay kinabibilangan ng mga komplikadong digital at mixed‑signal CMOS‑based devices, analog III‑V based products, storage adapters, controllers, at integrated circuits.  Ang kumpanya ay nagpapatakbo sa dalawang pangunahing segment: Semiconductor Solutions at Infrastructure Software.  Kapansin‑pinansyal, sa sektor ng wireless technology, malaki ang kontribusyon ng Broadcom sa mga component na mahalaga para sa wireless communications.

3.  Intel Corporation

INTC Tsart ng Presyo

Kabuuang Halaga	Forward P/E Ratio 1 Yr.	Kita Kada Bahagi (EPS)
187,253,640,000	199.82	$-0.40

Intel (INTC ) Corporation, isang Amerikanong multinational technology company, ay isa sa pinakamalaking tagagawa ng semiconductor chip sa mundo.  Itinatag noong 1968, ang Intel ay naging susi sa pag‑develop ng SRAM at DRAM memory chips at lumikha ng unang komersyal na microprocessor chip noong 1971.  Ang tagumpay nito sa personal computers noong 1980s ay nag‑shift ng focus nito sa microprocessors.  Nag‑supply ang Intel ng microprocessors para sa karamihan ng mga computer system manufacturers at gumagawa rin ng motherboard chipsets, network interface controllers, integrated circuits, flash memory, at graphics chips.  Sa mga nagdaang taon, hinarap ng Intel ang tumitinding kompetisyon, partikular mula sa AMD, na nagdulot ng pagbaba ng market share nito at nag‑udyok ng mga pagsisikap na mag‑diversify lampas sa semiconductor.

Mga Kapansin-pansing Banggit

Outside of the trio of companies listed above, the following are each notable, publicly traded, companies working in similar fields.

Marvell Technology Group Ltd. (MRVL ) (MRVL)	CEVA, Inc. (CEVA ) (CEVA)
Socket Mobile, Inc. (SCKT ) (SCKT)	STMicroelectronics (STM)
Qualcomm Inc. (QCOM ) (QCOM)	Texas Instruments (TXN ) (TXN)
Sony Corporation (SONY)	Nokia Corporation (NOK)

 

Pangwakas na Kaisipan

Overall, the evolution of wireless communication technology, from Bluetooth to Electric Field Modulation, marks a significant leap in how we interact with the world around us.  While Bluetooth has laid a solid foundation for short-range digital communication, the team of researchers developing Electric Field Modulation believes it stands poised to redefine these interactions, offering greater energy efficiency and a more intuitive user experience.

This transition not only highlights the rapid pace of technological advancement but also opens new possibilities for integrating technology into our daily lives seamlessly and sustainably.  The future of wireless communication looks set to be more efficient, more intuitive, and deeply integrated into the fabric of our everyday interactions.