[Discuss-gnuradio] srsUE Release Announcement

[Paul Sutton]

SRS is pleased to announce the release of their open-source software-radio LTE UE, srsUE. Written in C++, srsUE provides all network stack layers from IP to PHY and builds upon the existing srsLTE PHY layer library. Running on an Intel Core i7-4790, srsUE achieves up to 60Mbps DL with a 20Mhz bandwidth SISO configuration.
The srsUE application and srsLTE library use a hierarchical, modular design with clean interfaces and minimal external dependencies to permit code reuse and adaptation. Modules ranging in granularity from dft blocks to full MAC-layer random access or HARQ procedures can be reused within flowgraph frameworks such as GnuRadio.
For code and further details, see the github project pages: www.github.com/srslte/srsue. For support, please subscribe to our mailing list: www.softwareradiosystems.com/mailman/listinfo/srslte-users. More information about SRS: www.softwareradiosystems.com.

Features

PHY Layer

LTE Release 8 compliant
FDD configuration
Tested bandwidths: 1.4, 3, 5 and 10 and 20 MHz
Transmission mode 1 (single antenna) and 2 (transmit diversity)
Cell search and synchronization procedure for the UE
Frequency-based ZF and MMSE equalizer
Highly optimized turbo decoder available in Intel SSE4.1/AVX (+100 Mbps) and standard C (+25 Mbps)

Upper Layers

LTE Release 8 compliant
MAC, RLC, PDCP, RRC, NAS and GW layers
Soft USIM supporting Milenage and XOR authentication
Some functions for RRC/NAS message parsing and security from OpenLTE project (http://sourceforge.net/projects/openlte/)

User Interfaces

Detailed log system with per-layer log levels and hex dumps
MAC layer wireshark packet capture
Command-line trace metrics
Detailed input configuration file
Virtual network interface tun_srsue created upon network attach

Hardware

srsUE currently supports Ettus Research USRP RF front-ends through the USRP Hardware Driver (UHD). Host sample rate conversion is not supported, therefore the hardware should support configurable clock rates. We recommend the USRP B2X0 range.

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Paul Sutton Ph.D.

Software Radio Systems (SRS)
http://www.softwareradiosystems.com

+353-87-9813473 | address@hidden

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