Silex Unwired

Adding SDIO Support in ath10k Driver – Another Silex Initiative for Mass Market Wi-Fi

Posted by Safi Khan on 2017-08-16 07:48:05

Customer feedback is important to us at Silex and whenever we can do something extra that makes them happy, it makes us happy! A recent example of our customer focus at Silex is the ath10k initiative. I want to share  the technical details of this initiative and how our engineering team overcame some of the challenges to making this work. We have had a long history of supporting open-source drivers for Qualcomm Atheros low power Wi-Fi radios dating back to ath5k for some of our legacy modules. Since then, we have supported ath6k, ath9k, and now finally, I want to talk about ath10k.

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Tags: SDIO, ath10k

60GHz WiFi (WiGig) for the Rest of Us – SX-PCEAD 802.11ad Module from Silex Brings 4.6Gbps Speeds to New Markets and Applications

Posted by Safi Khan on 2017-08-14 06:40:48

The SX-PCEAD implements the IEEE802.11ad WiFi/WiGig standard in 60GHz band for high speed communication. It is based on the QCA6320 chipset from Qualcomm Technologies, Inc.. The 60GHz frequency band supports much wider bandwidths than those of the 2.4GHz or the 5GHz bands. Thus it can achieve a maximum PHY data rate of 4.6Gbps using 2GHz bandwidth. Signals in 60GHz band do not easily penetrate walls etc. so it is an ideal technology for short range in-room use cases such as IP docking, transferring multimedia content such as 4K videos and images, video streaming and projection, insanely fast movie downloads from kiosks, high resolution medical imaging, etc.

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Tags: Silex Technology America, 802.11ad

Will You be Complying to the Latest RED Standards in 2018?

Posted by Ron Tozaki on 2017-08-11 08:11:41

The new directive regulating radio equipment usage in EU was in effect starting June 13th, 2017. It was a painful process for us and our customers to get our products in compliance as RED continued to update/change its direction and implementation of the new standard up until the last week of the deadline.

 

To recap, the table below summarizes the RED requirements.

Standard

Version Today

Type

Official Journal

EN300-328

V2.1.1

RF2.4 GHz

01/31/2017

EN301-893

V2.1.1

RF 5 GHz

06/08/2017

EN301-489-1

V2.1.1

EMC

05/07/2017

EN301-489-17

V3.1.1

EMC

05/07/2017

 

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Tags: Radio Equipment Directive

Changes to the 5GHz Wi-Fi band in the UK

Posted by Ron Tozaki on 2017-08-09 07:12:51

The Office of Communications, commonly known as Ofcom, is the government-approved regulatory and competition authority for the broadcasting, telecommunications and postal industries of the United Kingdom. It is similar to how FCC regulates the use of Wi-Fi channels in the United States.

UK currently use a part of the spectrum called the 2.4 GHz and 5GHz band, which is becoming increasingly congested and can impair broadband performance. Ofcom last month decided to update their regulations to allow Wi-Fi use in the 5.8 GHz band (U-NII-3). This decision opens an additional 125 MHz of spectrum in a ‘sub-band’ within the 5 GHz frequency range for Wi-Fi – while ensuring protection for other users, such as satellite services. The extra sub-band increases the number of 80 MHz channels available for Wi-Fi from four to six.

 

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Tags: 5GHz U-NII Update for UK

Add Ultra Low Power WiFi Using UART AT Command Set

Posted by Safi Khan on 2017-08-04 19:38:57

Silex has released a new version (12.2.x) of our UART AT Command Set for Qualcomm's Ultra Low Power WiFi IoT Soc QCA4010. Our new product is called SX-ULPGN-EVK-AT. The SX-ULPGN-EVK-AT is an evaluation kit for our SX-ULPGN module based on the QCA4010. 

Using our new SX-ULPGN-EVK-AT, customers can quickly evaluate our AT Command Set. They can add a serial-to-Wi-Fi converter for their existing MCU based designs without porting any host driver. SX-ULPGN can offload the host MCU by performing all of the Wi-Fi related tasks such as low power WiFi network stack, security, and authentication.

Top Features:

JTAG OTA Programming Station and AP Modes
Open System WPA-PSK, WPA2-PSK None, WEP, TKIP, and AES(CCMP) Enrollee (PIN/PBC)
IPv4, IPv6, DNS, SNTP, HTTP SSL/TLS, DHCP, and WPS IEEE802.11 Power Save Mode
Suspend (Store Recall, Power Off Suspend(Sleep Wakeup, Host Deep Sleep) TCP/IP Offload
UDP Offload On-Boarding HTTP Server HTTP Client
DHCP Client and DHCP Server DNS Client and DNS Server Socket API for up to 4 UDP or TCP Client/Server Sockets
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Tags: Embedded WiFi Module, 802.11b, 802.11g, 802.11n, Internet of Things, IoT, Qualcomm, Low Power WiFi

Ultimate Customer Service

Posted by Keith Sugawara on 2017-07-04 05:33:48

I have been visiting Japan for 30 years and I am still amazed by the Japanese commitment to service.  This philosophy is also part of the Silex Technology culture and I hope that our North American customers can see part of our Japan heritage in how we do business.  But let me share my most recent experience.

 

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Tags: silex technology

Smallest Footprint 802.11ac plus Bluetooth Module in the Market

Posted by Govardhan Shanmuga Sundaram on 2017-06-23 05:39:30

Silex Technology America, the global leader in providing  Wi-Fi solutions on June 2nd 2017 launched the latest embedded wireless solution , the SX-SDPAC. The SX-SDPAC SDIO System-in-Package(SiP) is a dual band 1x1 802.11a/b/g/n/ac plus Bluetooth 4.1+HS “Smart Ready” , which is based on Qualcomm Atheros QCA9377 System-on-Chip (SoC). With the smallest footprint of space, it is Wave 2 MU-MIMO 802.11ac. and  offers cost effective, and low power Wi-Fi+BT connectivity solution for our customers.

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Tags: SDIO, Embedded Wireless, WiFi connectivity solutions, 802.11ac, Bluetooth

Select the Right IoT Module for Your Application

Posted by Babar Hashim on 2017-06-06 20:04:29

Need a low-latency, high reliability solution in a small form factor for your wireless medical device? Or a low-cost low power wireless option for connected consumer electronics? Silex Technology has you covered. Check out our IoT module selection guide to find the right IoT Wi-Fi module to provide the connectivity you need. 

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Operating the WPA Security Supplicant provided with the Silex Wi-Fi drivers

Posted by Babar Hashim on 2017-03-31 23:33:19

In general terms a supplicant is a software package installed on an end-user's client device. The device invokes the supplicant and submits credentials to connect the device to a secure network. If the authentication succeeds, the authenticator typically allows the device to connect to the network.

What is a WPA-Supplicant?

WPA supplicant is an implementation of the IEEE 802.11i supplicant for different operating systems like Linux, FreeBSD, Windows etc. The supplicant implements the security protocols and features addressed in the 802.11i standard. They include:

  • WPA and full IEEE 802.11i/RSN/WPA2
  • WPA-PSK and WPA2-PSK ("WPA-Personal", pre-shared key)
  • WPA with EAP ("WPA-Enterprise", for example with RADIUS authentication server)
  • Key management for CCMP, TKIP, WEP (both 104/128- and 40/64-bit)
  • RSN: PMKSA caching, pre-authentication
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Debugging techniques for the QCA9377 Wi-Fi driver

Posted by Babar Hashim on 2017-03-31 22:48:00

Two of our latest 802.11ac wireless modules, the SX-SDMAC and the SX-SDPAC are based on Qualcomm's QCA9377 chipset. The drivers for these QCA9377 based modules are made available via Qualcomm through their code aurora site, and may soon be available on their Qualcomm Developers Network site. 

For our "Absolutely Must Connect" customers such as medical, industrial, and manufacturing – unstable wireless connectivity can lead to a stop in operations, loss of productivity and economic efficiency, or even significant threats of safety and health. Those mission-critical scenarios where it absolutely must connect are where engineers and designers rely on our propriety Silex reference driver where we have made enhancements to the Qualcomm reference driver. 

One could choose either driver depending on their application, but when compiling Wi-Fi drivers for their devices, one of the most compelling problems they face is how to approach debugging. It is important to know how to debug code errors because it:

  • Can be exceedingly hard to reproduce
  • Can bring down the entire system
  • Can destroy evidence that could be used to track the issue
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Tags: QCA9377