promwad's cpe team profile

© Promwad 2014

Promwad CPE team profile

2 Team description

company presentation © Promwad, 2014

Core CPE team consists

of 8 embedded software

engineers with over 45

years of total experience

Levels:

• Senior developer – 2

• Regular developer – 4

• Junior developer - 2

Software

3 hardware designers

with over 30 years of

total experience

Levels:

• Senior engineer - 3

Hardware

3 QA engineers with 9

years of total experience

Levels:

• Senior engineer – 1

• Regular engineer – 1

• Junior engineer - 1

Quality assurance

3 Technology map


Manufacturers:

Marvell

Realtek

Freescale

Silabs

Zarlink

Mediatek/Ralink

Atheros

Lantiq

Texas Instruments

Xilinx

Altera

Analog Devices

Dialog Semiconductor

Interfaces:

Ethernet

Fast Ethernet

Gigabit Ethernet

Bluetooth

IEEE802.11a/b/g/n

SFP

DECT

ADSL

SHDSL

RapidIO

CAN

Network Technologies:

Fast-Path network processing

Hardware accelerated NAT, QoS,

Forwarding

Linux DSA (distributed switch

architecture)

VoIP and Telephony SLIC interfacing,

DECT

Ethernet packet processing

Remote management

4 Technology map


Physical layer:

Ethernet

802.11b/g/n(Wi-Fi)

ADSL

GPRS/3G

USB

PCI Express

Bluetooth

RS-485

CAN

PSTN (POTS)

DECT

PON

Channel layer:

Ethernet II

VLAN

Q-in-Q

STP/RSTP/MSTP

ARP

PPPoE

PPTP

HDSL

HCI

Modbus

Network and transport

layer:

TCP/IP (IPv4/IPv6)

UDP

ICMP

IGMP

RTP/RTCP

SSL(OpenSSL,axTLS)

VRRP

RFCOMM/OBEX/ATT

CANopen

T.38 (UDPTL)

Application layer:

HTTP/HTTPS

FTP

SMB/CIFS

TFTP

SIP

SOAP

SNMP

SSH

TELNET

DHCP

DNS

NTP

PTP (IEEE 1588v2)

NFS

Network protocols

5 CPE with VoIP on Marvell Kirkwood SoC


Highlights:

Marvell Kirkwood 88F6283 processor

Marvell 88E6176 5-port Gigabit Ethernet switch

2xUSB 2.0

ADSL/ADSL2+ support

Support of SFP modules (fiber optics)

Support of Dying-Gasp function

2-port analog telephony (FXS)

Dual-band WiFi 802.11 b/g/n in the AP mode. With

WDS/WPS support

Firmware based on OpenWRT and Asterisk

Remote management: SNMP, TR-069 support

Web interface

6 Thin client on Marvell Kirkwood SoC


Highlights:

Marvell Kirkwood 88F6282 processor

Up to 2 GB of DDR2 RAM + up to 4 GB of NAND Flash

SiS VOLARI-Z11 graphic controller connected via PCI-e

OS ARM Debian 6.0 Linux or OpenEmbedded/Yocto

based distribution, browser, media players, VoIP/SIP

clients,

Interfaces: 4xUSB 2.0 + 1 USB 2.0 for Security Token,

WiFi 802.11 b/g/n + Bluetooth, 2x Gigabit Ethernet, DVI,

RS232

7 Plug-computer


Plug computer is a multifunctional ARM-based

mini-server intended for a broad range of possible applications

in IP-based networks.

Highlights:

Built-in USB, WiFi, Ethernet, Bluetooth interfaces

Support of DLNA, FTP, SMB protocols, QoS and NAT mechanisms

Marvell Kirkwood 88F6283 (1 GHz) processor, ARM compliant

Up to 1024 MB of memory, 16-bit, DDR2@800 MHz + up to 4 GB of NAND Flash

8 Wireless speakers


Highlights:

TI AM335x

TI Wilink8 WifF/Bluetooth chip

OpenWRT (Linux kernels v3.2, v3.6,

v3.12)

Device Tree subsystem

Wake-up on Bluetooth and wake-up on

WiFi

Wireless Access Configuration server

9 CPE on Realtek SoC with VoIP and DECT


Highlights:

Realtek RTL8954C SoC integrates: RISC core RLX5281,

7-ports Gigabit Ethernet switch, VoIP controller

2xUSB 2.0

ADSL/ADSL2+ support

2-port analog telephony (FXS) and 1-port FXO

Dual-band WiFi 802.11 a/b/g/n . With WDS/WPS support

DECT

Firmware based on Realtek SDK

Remote management: SNMP, TR-069 support

10 Port OpenWRT to Realtek 8954x


Highlights:

Realtek RTL8954C SoC integrates: RISC core RLX5281, 7-ports

Gigabit Ethernet switch, VoIP controller

DDRAM – 512Mbits DDRAM (1*64MB in 16bits bus width)

SPI Flash – 32Mbits

2 Port FXS + 1 Port FXO

1x USB, 1x PCIE

Hardware Network Address Translation and Hardware VLAN support

IEEE 802.11b/g/n

DDOS protection

VOIP

Remote control via FreeCWMP (TR-069)

11 VoIP gateway


Highlights:

- Analog Devices BF527 (500MHz), Zarlink SLIC, Micrel switch

- Interfaces: 3xUSB 2.0 Host; 2x10/100 Fast Ethernet, 2xFXS, FXO, RS-232

- uCLinux OS, U-boot bootloader

12 Time synchronization system


Highlights:

Support of two global positioning systems: GLONASS and GPS

The PLD has an algorithm of digital correction of the TCXO generator

System configuration and monitoring via a web interface

Linux OS

The standard-size case of the device allows installation into a 19” rack

13 Fiber Optic and xDSL modems


Highlights:

• Solutions use an FPGA (Spartan2, Spartan3,Virtex4) from Xilinx

• The software for the FPGA was written in VHDL and Verilog

• User interfaces: E1 (G.703,G.704), E2, E3, V.35 and 10/100 Ethernet

• IP-blocks developed: DSL (CAP-256), Ethernet MAC with filtering control packets,

synchronization blocks - framed (G.826) and unframed with CRC-4, HDB3

(G.703), G.704, VC-12/C-12 (Е1), TDM multiplexer

• Data transfer over DSL lines using the HDLC packet protocol (7E-framing, CRC16,

bit-staffing data transmission)

• 8-bit Atmega-128 MCU for control and configuration (custom-made RTOS)

• Modem control/configuration: locally via RS-232 or remotely over the Ethernet

(SNTP protocol)

• Implementation of ARP, ICMP and SNMP v.1 protocols in pure assembler for code

performance with size optimization reasons

14 STB


Highlights:

Broadcom BCM97581 / BCM7241B0 / BCM7356 CPUs

Broadcom BCM43526 802.11ac 2x2 Dual-Band Single-

Chip Solution

Ethernet

HDMI

Component/ Composite Video output

Stereo Audio output, S/PDIF

2xUSB

15 Single CPE Platform for routers and NAS


CPE basedMarvell Kirkwood

CPE basedRealtek

NAS basedMarvell Armada XP

CPE Platform

Customizable Web GUI

TR-069 ClientVoIP based on

AsteriskOpenWRT

Marvell SDK Realtek SDK

TR Management

Server

Components developed or significantly customized by CPE Team

3rd party components

Linux network stack

Linux VoIP stack

16 CPE Team. Key software services


OpenWRT customization

• Build system configuration

• Package management configuration

• Web management interface customization and development

• System adaptation for designed hardware

Linux kernel development

• Drivers development and customization (SLIC driver, Marwell Ethernet switch driver, etc.)

• Speed and functionality optimization for Marvell Network Fast Path

• BSP development for designed CPE hardware

17 VoIP. Asterisk based


Highlights:

• Asterisk adaptation for hardware platform

• Spandsp library improvements for analog lines and signals

• Voice improvements (software/hardware echo cancelation)

• Channel driver for Asterisk (development from scratch)

• TDM bus framework for Linux

• Kernel drivers for SLIC

18 VoIP. Lightweight SIP UA


Highlights:

• Integrate PJSIP library

• Kernel drivers for SLIC

• Can communicate with internal/external SIP server

(Asterisk)

• VAD (Voice Active Detection), LEC (Line Echo

Canсelation), PLC (Packet loss concealment), Jitter

Buffer.

19 DECT


Highlights:

• DECT module: SC14CVMDECT AF01 - Dialog

Semiconductor

• Wireless protocols: DECT GAP compliant, CAT-iq v2.0

(wideband and narrowband audio channels are supported)

• Control protocol: Busmail (binary) and AT commands (text)

over UART

• Audio protocol: PCM

• Software protocols: IPC (Unix sockets)

20 Remote management system


TR-069 client/server management system

• TR-069 client development (setting and receiving CPE parameters and remote

firmware update)

• TR-069 Server management system (based on customized open source D-Link

TR-069 server with newly designed web interface)

21 Core CPE Team


Vladimir D. - Senior software engineer

Experience – 11 years

- ARM/MIPS platforms

- Linux kernel, Network stack, VoIP,

QoS, Firewall, etc.

- Team Leader

Victor P. - Senior software engineer


- ARM Accredited

- OpenWRT, Linux kernel, Network stack,

Wireless, Asterisk, etc.

- Team Leader

Dmitry V. - Regular software engineer


- VoIP: SIP, RTP, SDP, Codecs,

VAD/CNG/PLC, PSTN line.

- Drivers for SLIC, DAA, DECT modules

- PJSIP library

Michail K. - Regular software engineer


- TDM bus framework for Linux

- SLIC Linux drivers

- Ethernet switch drivers for DSA

Linux subsystem

- Asterisk

- Firewall

Anton M. - Junior software engineer


- Network Fast Path

- OpenWRT

- LuCI

- Asterisk dialplans

Denis V. - Junior software engineer

Experience – 1 year

- OpenWRT

- Network stack, wireless subsystem

- Management protocols (SNMP,

TR069, etc.)

22 Core CPE Team


Maxim S. - Senior hardware engineer

- PCB layout design

- EMC, SI, PI analysis

- Thermal modeling of the device

Nikolay S. - Senior hardware engineer

- Schematic design

- FPGA design

Maxim K. - Senior hardware engineer

- Enclosure design (3D models)

Alexander Z. - Senior QA engineer


- Test automation: shell scripting,

Python scripting, Expect

- JTAG testing

Alexey K. - Regular QA engineer


- Test automation: shell scripting,

Python scripting, Expect

Valentina K. - Junior QA engineer

Experience – 1 year

- Manual testing

© Promwad 2014

Promwad CPE team

Minsk, Belarus 22 Olshevskogo str.,

Tel. + 375 (017) 312–12–46

email: [email protected]

www.promwad.com

promwad's cpe team profile

Technology

promwad cpe team profile

port gigabit ethernet

bluetooth interfaces

senior engineer

realtek soc

bgn bluetooth

senior developer

junior engineer