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802.11n/ac/ax AP-grade LDPC Decoder (4 January 2017)

An upgrade to the popular Blue Rum WiFi LDPC Decoder is now available to support high end Access-Point applications for 802.11ax and preceeding n/ac standards. Multiple users (an 11ax feature) are supported on one or more decoding cores. The multiple cores automatically operate on the incoming data in a round-robin fashion. With two cores configured it is possible to support 802.11ax at 4.8Gb/s with a 640MHz clock rate. In multi-user mode the data streams of each user are automatically arbitrated between the available cores and LDPC blocks flow through the hardware end-to-end with instant dynamic re-configuration to each user's settings.

The LDPC Decoder "Multi" upgrade was delivered to a first customer in 4Q16 and is based on the single user version, which has been implemented in Silicon multiple times and is Wi-Fi Certified via a client's reference board.

  AES Cryptography with CCM and optionally CMAC and GCM (4 August 2014)

A powerful AES based encryption/decryption processor supporting CCM, CMAC and GCM. These modes are extensively used in WiFi, IpSec, MacSec, LTE and elsewhere. The module features scaleable throughput so is suitable for a broad range of applications. An outline datasheet is available and further detailed specifications can be provided to potential customers on request.

802.11n/ac Viterbi Decoder (21 February 2013)

This is a streaming decoder supporting multiple decoded output bits per clock cycle to allow support of the highest 11n/ac MCS. An host of features are provided to make this a drop-in solution for WiFi Viterbi decoding. An outline datasheet is available and further detailed specifications can be provided to potential customers on request.

802.11ad LDPC Encoder (15 March 2012)

This is an exceptionally high throughput LDPC encoder capable of handling the top 802.11ad MCS with a 300MHz clock. An outline datasheet is available and further detailed specifications can be provided to potential customers on request.

802.11ad LDPC Decoder (24 February 2011)

This is a decoder for PAN applications in the 60GHz band. The decoder supports the full range of coding schemes, which have data-rates up to 6.7Gbps. While our existing 'macro cell at a time' LDPC Decoder for 802.11n is adaptable to other applications in the <800Mbps area, 802.11ad is supported using our LDPC GIG architecture, which has the potential to support a number of multi-Gbps standards as well as proprietary applications such as HDD read channels. An outline datasheet is available and further detailed specifications can be provided to potential customers on request.

802.11n LDPC Decoder RTL Release 2 (10 November 2010)

This release provides useful extensions in the input mechanism that makes the block extremely easy to integrate into a system. The enhancements include automatic repetition combining. An updated datasheet is available.

802.11n LDPC Encoder RTL Release (22 Sep 2010)

Blue Rum Consulting announces availability of  its LDPC Encoder RTL Design for 802.11n. This supports all 802.11n MCS classes and can complete an encode for NCBPS=2592 in 1.44uS with a 240MHz clock. The encoder complements the Decoder, which is already available. Further technical details are available in the datasheet.

802.11n LDPC Decoder RTL Release (2 July 2010)

Blue Rum Consulting announces availability of  its LDPC Decoder RTL Design for 802.11n. This supports all 802.11n MCS classes, 20MHz/40MHz and 400/800ns GI, which implies data rates up to 600Mbps (720Mbps coded). Implementation losses are around 0.3dB compared to a near perfect reference when clocked at 240MHz. These losses include impairments due to clock speed, numerical approximations as well as finite-precision arithmetic. Pipelining options assist with performance/speed trade-offs, particularly for FPGA implementations. Designer Mike Rumsey comments "This has been a challenging 9 month project involving a strong mix of algorithm, RTL and system design experience. I have not seen such a demanding project since working on a 3GPP Rake Receiver".

By selling this 802.11n LDPC Decoder IP as a product we expect to amortise the development cost over several customers. Not only will the cost be much lower than an internal development, but it is available off the shelf thus eliminating schedule risks on your project. Further technical details are available in the datasheet.

802.11n LDPC Decoder Algorithms Release (31 March 2010)

Blue Rum Consulting announces availability of  its LDPC Decoder Algorithm Design for 802.11n. The algorithm design provides a bit-precise C model with extensive design documentation and simulation infrastructure. The model is in many respects "RTL described in C" and full hardware implementation is relatively straightforward.

A fully designed RTL block will be available mid-year, which will appeal to teams who simply want to import a ready-made black-box. The algorithm product, however, provides a design team with far greater ownership of the decoder. You can implement the hardware to your own design style and are free to use the algorithm deliverables as a foundation for building your own in-house expertise. This is an extremely open and empowering product for communication hardware designers.

Further details are available on the LDPC product page.