Subject: Mobile | February 12, 2016 - 09:26 PM | Sebastian Peak
Tagged: X16 modem, qualcomm, mu-mimo, modem, LTE, Gigabit LTE, FinFET, Carrier Aggregation, 14nm
Qualcomm’s new X16 LTE Modem is the industry's first Gigabit LTE chipset to be announced, achieving speeds of up to 1 Gbps using 4x Carrier Aggregation. The X16 succeeds the recently announced X12 modem, improving on the X12's 3x Carrier Aggregation and moving from LTE CAT 12 to CAT 16 on the downlink, while retaining CAT 13 on the uplink.
"In order to make a Gigabit Class LTE modem a reality, Qualcomm added a suite of enhancements – built on a foundation of commercially-proven Carrier Aggregation technology. The Snapdragon X16 LTE modem employs sophisticated digital signal processing to pack more bits per transmission with 256-QAM, receives data on four antennas through 4x4 MIMO, and supports for up to 4x Carrier Aggregation — all of which come together to achieve unprecedented download speeds."
Gigabit speeds are only possible if multiple data streams are connected to the device simultaneously, and with the new X16 modem such aggregation is performed using LTE-U and LAA.
(Image via EE Times)
What does all of this mean? Aggregation is a term you'll see a lot as we progress into the next generation of cellular data technology, and with the X16 Qualcomm is emphasizing carrier over link aggregation. Essentially Carrier Aggregation works by combining the carrier LTE data signal (licensed, high transmit power) with a shorter-range, shared spectrum (unlicensed, low transmit power) LTE signal. When the signals are combined at the device (i.e. your smartphone), significantly better throughput is possible with this larger (aggregated) data ‘pipe’.
Qualcomm lists the four main options for unlicensed LTE deployment as follows:
- LTE-U: Based on 3GPP Rel. 12, LTE-U targets early mobile operators deployments in USA, Korea and India, with coexistence tests defined by LTE-U forum
- LAA: Defined in 3GPP Rel. 13, LAA (Licensed Assisted Access) targets deployments in Europe, Japan, & beyond.
- LWA: Defined in 3GPP Rel. 13, LWA (LTE - Wi-Fi link aggregation) targets deployments where the operators already has carrier Wi-Fi deployments.
- MulteFire: Broadens the LTE ecosystem to new deployment opportunities by operating solely in unlicensed spectrum without a licensed anchor channel
The X16 is also Qualcomm’s first modem to be built on 14nm FinFet process, which Qualcomm says is highly scalable and will enable the company to evolve the modem product line “to address an even wider range of product, all the way down to power-efficient connectivity for IoT devices.”
Qualcomm has already begun sampling the X16, and expects the first commercial products in the second half of 2016.
Subject: General Tech, Mobile, Shows and Expos | January 7, 2014 - 01:29 AM | Steve Schardein
Tagged: smartphone, PadFone Mini, padfone, LTE Advanced, HD Voice, CES 2014, CES, Carrier Aggregation, atom z2580, asus, Android
Asus’ PadFone is a cool idea that’s never yet made it stateside—but that’s all about to change with the advent of the PadFone X, which will be headed exclusively to AT&T at some point in the future (TBA). The PadFone was a concept first introduced in 2011 that involves a smartphone which docks with a larger tablet for seamless transition between screen sizes. Everything is also constantly and instantly synced between the two gadgets via independent Wi-Fi and cellular data connections without the need to manually invoke synchronization. Any applications which are currently running on either device will automatically resize to fit the other screen when the PadFone is docked or undocked.
It’s a really clever design that we’re happy to see is coming to the US. Pricing and detailed specifications are still up in the air, but here’s what we do know about it:
- 5-inch 1080p screen
- Docks with a 9-inch 1080p companion tablet station
- Brushed metal frame with soft-touch back cover
- Dual front speakers
A “large” battery in the companion tablet station also allows for charging of the 5-inch PadFone when docked, providing “2 times longer” battery life.
The PadFone X supports a couple of new technologies on AT&T’s network as well to help improve voice quality:
- Voice over LTE (VoLTE): This is a new technology which allows for much better quality voice transmission using a codec referred to as HD Voice (technically called Adaptive Multi-Rate Wideband).
- Carrier Aggregation: A part of LTE Advanced, this allows for the grouping of up to five separate 20 MHz bands to produce up to a maximum aggregated bandwidth of 100 MHz. Essentially, it translates to better voice quality for the PadFone X.
More details about the PadFone X will be announced soon.
In the meantime, Asus also unveiled the PadFone mini, which is not tethered to any particular carrier. It’s essentially a more basic version of the PadFone X, and judging by the screen resolution alone (800x480 for the phone and 1280x800 for the tablet), it’s clear that it’s intended more for the mainstream market than tech enthusiasts.
The full specs are as follows:
- CPU: Intel Atom Z2560 processor
- RAM: 1GB LPDDR2 RAM
- Storage: 8 GB internal w/ Micro SD slot for expansion
- Phone: 800x480 IPS
- Station: 1280x800 IPS
- Camera: 8 MP rear camera (f/2.0) and 2 MP front-facing camera
- Phone: 4.5Wh, 1170mAh, non-removable polymer battery
- Station: 8.3Wh, 2100mAh, non-removable polymer battery
- Phone: 116g; 124.42 (L) x 61.44 (W) x 6.3-11.2 (H) mm
- Station: 260g; 199.85 (L) x 119.43 (W) x 13.91 (H) mm
- Five color choices: Black, White, Red, Blue, and Yellow
- Dual-SIM support
- New ZenUI interface layered atop Android OS, which provides new apps, visual tweaks, and some useful extras.
Stay tuned to PC Perspective for more on both devices as it’s announced!
Follow all of our coverage of the show at http://pcper.com/ces!