Hahahaaa asli pusing,hu...... jadi yg paling bagus yg mana? my gingerX On Apr 21, 2011 11:49 AM, "Ocu Mudo" <[email protected]> wrote: > semoga bermanfaat............................ > ----------------------------------------------------------------------------------------------------------------------------------------------- > Mobile phones News Speed technologies in your phone explained Speed Week: From > 4G-faker HSPA+ to dual-core, dual-channel silicon > from TechRadar UK< http://www.google.com/reader/view/feed/http%3A%2F%2Fwww.techradar.com%2Frss> > by > Dean Evans > http://goo.gl/faQE6 > > * > * <http://lgoptimus2.t3.com/> > > Today's smartphones feature some of the most advanced technology on the > planet and they're getting smarter and faster all the time. > > We're watching a technology race unfold as handsets evolve from 3G/HSDPA to > 4G/LTE and from single-core processors to multi-core chips. > > Time to slice through the mobile phone jargon and acronyms with a TechRadar > knife… > > *3G* > > When Three rolled out the UK's first 3G/UMTS network in 2003, it offered a > serious upgrade from sluggish GPRS/EDGE data connectivity. Admittedly, 3G > got off to a forgettable start with phones like the god-awful NEC > e606< http://www.techradar.com/news/phone-and-communications/mobile-phones/10-mobile-phones-that-changed-the-world-923715 >. > But it's now a standard feature on most new handsets, enabling faster > downloads, music streaming and video chat. > > Eight years on and 3G is now where GPRS/EDGE was before it. Faster > technologies like HSPA+, WiMAX and Long Term Evolution > (LTE)< http://www.techradar.com/news/mobile-computing/mobile-phones/phone-and-communications/4g-mobile-broadband-and-lte-explained-926835 >are > queuing up to replace it, promising another jump in downlink > performance. But don't hold your breath. The 4G spectrum > auction< http://www.techradar.com/news/phone-and-communications/mobile-phones/ofcom-reveals-4g-auction-plan-937154 >won't > take place until 2012 in the UK, so these new services won't be > launched until 2013 at the earliest. > > *HSDPA* > > While we twiddle our thumbs waiting for next-generation 4G phone networks, > High-Speed Downlink Packet Access (HSDPA) provides a handy speed-boost. > Often called 3.5G or 3G+, the technology improves UMTS downloads. > > Existing HSDPA deployments support 1.8, 3.6, 7.2 and 14.4Mbps downlink > speeds. But again, take these numbers with a pinch of salt. You'll rarely > get anywhere near the theoretical top-speeds. > > *HSUPA* > > As its name suggests, High-Speed Uplink Packet Access lights a fire under > conventional 3G upload speeds and rockets them from 384Kbps to 5.76Mbps. > Unfortunately, it's not available everywhere. For example, while HSDPA > coverage extends right across the UK, HSUPA isn't as widespread. > > *HSPA* > > High Speed Packet Access is a next-gen mix of High Speed Downlink Packet > Access (HSDPA) and High Speed Uplink Packet Access (HSUPA). It's a catch-all > term that defines any network that uses both 3.5G technologies to boost > network speeds to 14.4Mbps (downlink) and 5.76Mbps (uplink). > > *HSPA+* > > Evolved HSPA or HSPA+ is being badged as 4G in the US by T-Mobile and AT&T > but, technically speaking, it's still a 3G standard. Support for HSPA+ is > just starting to appear in next-gen phones like the Samsung Galaxy S > II< http://www.techradar.com/news/phone-and-communications/mobile-phones/hands-on-samsung-galaxy-s2-review-928508 >and > the Motorola > Atrix< http://www.techradar.com/reviews/phones/mobile-phones/motorola-atrix-930919/review >4G. > > Downlink speeds of up to 42Mbps can be achieved thanks to the same MIMO > technologies that have revolutionised Wi-Fi. Future dual carrier or dual > cell technologies will effective double this, hence the 4G tag. > > *LTE* > > Long Term Evolution< http://www.techradar.com/news/phone-and-communications/mobile-phones/4g-mobile-broadband-and-lte-explained-926835 >is > a true 4G network solution. Using TCP/IP protocols and OFDM > (Orthoganal > Frequency Division Multiplexing), downlink speeds in excess of 100Mbps > should be possible. In a Nokia trial, LTE set a cellular data record of > 173Mbps in 2008. > > But hold your horses… Real-world > tests< http://www.bgr.com/2011/04/01/verizon-4g-lte-blows-away-sprints-wimax-in-1000-speed-tests/ >on > the Verizon network in the US suggest that LTE delivers an average > downlink speed of between 8-10Mbps. Of course, that's still 3-4 times faster > than 3G. > > *WiMAX* > > Based on the 802.16e wireless networking standard, WiMAX offers a 4G > alternative to Long Term Evolution (LTE). The current version of the > technology (802.16e) supports downlink speeds of up to 40Mbps, which > compares well to HSPA+. The next version of > WiMAX< http://www.techradar.com/news/lan/networking/wi-fi/wimax-speeds-to-surpass-1-gigabit-per-second-137375 >(802.16m) > could boost this to a more impressive 1Gbps. Sprint has rolled out > a WiMAX network in the US. > > *Dual-core* > > A CPU with two processing cores. > > *SoC* > > System on a chip. The process of integrating the CPU and GPU into a single > processor die. > > *ARM A9* > > Look closely enough and you'll see the > ARM< http://www.techradar.com/news/computing/future-tech/world-of-tech/the-future-of-computing-is-arm-939398 >A9 > MPCore architecture everywhere: NVidia's Tegra platform; Apple's A5 > (which appears in the iPad > 2< http://www.techradar.com/reviews/pc-mac/laptops-portable-pcs/tablets/ipad-2-935199/review >); > Samsung's Exynos; and the OMAP4 chips designed by Texas Instruments. While > current implementations use dual-core designs, the A9 specification can > support up to 4 cores and speeds between 800MHz and 2GHz. > > *Nvidia Tegra* > > We got our first taste of a dual-core mobile phone in 2010 in the shape of LG's > Optimus 2X< http://www.techradar.com/reviews/phones/mobile-phones/lg-optimus-2x-929388/review >. > But the Nvidia Tegra 250 silicon inside it actually got its first outing a > year earlier in the US-only release of the Zune > HD< http://www.techradar.com/news/portable-devices/mp3-players/nvidia-providing-zune-hd-multimedia-muscle--626834 >. > > > Making both fly is a system-on-a-chip that blends a dual-core ARM Cortex A9 > CPU with an Ultra Low Power (ULP) GeForce GPU. You'll now find NVidia's > handiwork in everything from the Motorola Atrix to the Samsung Galaxy Tab > 10.1< http://www.techradar.com/reviews/pc-mac/laptops-portable-pcs/tablets/samsung-galaxy-tab-10-1v-941629/review > > . > > *Samsung Exynos* > > Formerly known by its codename, Orion, you'll find the brand-spanking new > Exynos processor inside the fantastic Samsung Galaxy S > II< http://www.techradar.com/news/mobile-phones/phone-and-communications/samsung-galaxy-s2-what-you-need-to-know-928458 >. > It pairs ARM's dual-core A9 CPU with ARM's Mali-400 GPU for some great > performance. The name is a mish-mash of two Greek words – 'exypnos' (smart) > and 'prasinos' (green). Hmm. We preferred the codename… > > *Apple A5* > > As the follow-up to the single-core A4 chip that powers the iPhone > 4< http://www.techradar.com/reviews/phones/mobile-phones/iphone-4-694980/review >, > the superior A5 uses ARM's 1GHz dual-core A9 silicon in partnership with a > dual-corePowerVR SGX543MP2GPU. The A5 debuted in the iPad 2 and is expected > to power the iPhone > 5< http://www.techradar.com/news/apple/computing/mobile-phones/phone-and-communications/iphone-5-rumours-what-you-need-to-know-721534 > > . > > *TI OMAP4* > > This next-gen Texas Instruments chip is less popular than its rivals, but > you'll be able to spot it in the Blackberry > PlayBook< http://www.techradar.com/news/portable-computing/mobile-computing/hands-on-blackberry-playbook-review-919861 >and > the LG > Optimus 3D< http://www.techradar.com/news/phone-and-communications/mobile-phones/hands-on-lg-optimus-3d-review-928137 >. > Like the other chips in this list, it puts its faith in ARM's dual-core A9 > CPU and pairs it with a PowerVR SGX540 GPU. Crucially, it delivers a speed > boost via its dual-channel LPDDR2 memory controller. > > *ARM A15* > > Think the ARM A9 designs we've mentioned here are fast? There's already a > successor to the A9 called the A15 (codenamed 'Eagle'), which will feature > 1-4 cores, hit clock speeds up to 2.5GHz and support up to 1TB of memory. > > "It is expected that mobile configurations of the Cortex-A15 MPCore > processor will deliver over five times the performance of today's advanced > smartphones," claims ARM. In a word: 'wow'. Expect to see the first A15 > silicon in TI's forthcoming OMAP5 processor and then everywhere else in > 2012/2013. > > -- > "Indonesian Android Community" Join: http://forum.android.or.id > > =============== > Xperia arc with Mobile BRAVIA Engine > http://www.sonyericsson.com/product/xperiaarc/video/mbe > --------------------- > Unlimited Data XL Mobile Broadband > http://www.xl.co.id/XLInternet/BroadbandInternet > -------------------- > PING'S Mobile - Plaza Semanggi > E-mail: [email protected] Ph. 021-96087100 > -------------------- > i-gadget Store - BEC Bandung > E-mail: [email protected] Ph. 0812-21111191 > -------------------- > Toko EceranShop - BEC Bandung > E-mail: [email protected] Ph. 0815-56599888 > =============== > > Aturan Jual/Kloteran ID-Android http://goo.gl/azW7
-- "Indonesian Android Community" Join: http://forum.android.or.id =============== Xperia arc with Mobile BRAVIA Engine http://www.sonyericsson.com/product/xperiaarc/video/mbe --------------------- Unlimited Data XL Mobile Broadband http://www.xl.co.id/XLInternet/BroadbandInternet -------------------- PING'S Mobile - Plaza Semanggi E-mail: [email protected] Ph. 021-96087100 -------------------- i-gadget Store - BEC Bandung E-mail: [email protected] Ph. 0812-21111191 -------------------- Toko EceranShop - BEC Bandung E-mail: [email protected] Ph. 0815-56599888 =============== Aturan Jual/Kloteran ID-Android http://goo.gl/azW7
