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WiMAX Intellectual Properties


Intellectual Properties

SeaSolve Software Inc. is a leading supplier of IP Cores and Test and Measurement solutions for IEEE 802.16e (Mobile WiMAX), IEEE 802.16-2004 ( Fixed WiMAX) , IEEE 802.11a/b/g (WLAN), & IEEE 802.15.4/ZigBee (WPAN) .

The IP cores can be incorporated into 3rd-party device designs and the IP Suite includes entire PHY and MAC implementations of various wireless standards as well as components and algorithms that can be utilized as functional blocks of a wireless and/or embedded device. These are available as fixed point implementations or as synthesizable VHDL source codes.

SeaSolve’s IP Cores provide manufactures and design companies the advantage of quickly adapting /upgrading to different wireless standards. SeaSolve’s IP Cores are very useful in today’s era of convergence across wireless standards.


a. Mobile WiMAX PHY IP Core

Seasolve WiMAX IP core is a flexible and high performance solution for manufacturers of WiMAX base stations and subscriber station. The MAC and Baseband core is compliant with the IEEE 802.16e-2005 standard. The PHY core is developed HDL for FPGA and MAC core in RTOS embedded software.


b. Fixed WiMAX MAC IP Core

SeaSolve's 802.16-2004 protocol for Point to Multipoint (PMP) Medium Access Control (MAC) having Convergence sub layer (CS) which Provides interface with network layer in the protocol stack ,Common part sub layer (CPS) which provides the main MAC functionality and Privacy sub layer (PS)which Specifies the security options within 802.16 standard SeaSolve implemented the profile “ProfM3_PMP” for OFDM physical layer to ensure greater flexibility.


c. Fixed WiMAX PHY IP Core

SeaSolve's WiMAX PHY IP is a HDL Implementation core and it supports the features of OFDM (256 point) in licensed and licensed exempted WiMAX bands: 2.5 GHz, 3.5 GHz, and 5 GHz bands globally. SeaSolve's WiMAX PHY IP core is a customizable and high performance solution with highly scalable architecture compliant with the IEEE 802.16d-2004 standard.



The SeaSolve WiMAX FFT IP Core is designed for 128, 512, 1024 and 2048 FFT points in HDL implementation. The FFT IP core can be used in OFDMA and other DSP & Modem applications


e. WLAN 802.11 g PHY IP Core

802.11g PHY IP Core is a synthesizable HDL implementation of IEEE Standard 802.11g 2003 Edition in VHDL. The IEEE 802.11g specification specifies the Physical Layer Entity for a further higher data rate extension in the 2.4 GHz ISM band which builds on the 802.11b standard and uses Orthogonal Frequency Division Multiplexing (OFDM) system similar to 802.11a standard to achieve higher data rates.


f. WLAN 802.11 a/b/g MAC IPCore

The 802.11a/b/g Wireless LAN MAC is designed and developed in ANSI-C and RTOS. Its modular design makes it easier to port onto other hardware platforms. As a result of SeaSolve's continuous testing and development methodology, throughout the development life cycle the MAC is exceptionally robust. The operation guarantees the interoperability with other 802.11 products and it is easy to configure for other 802.11 standards with minimum modification. The WLAN MAC is a fully portable high performance solution and it supports extensive management functions to ensure its operation.


g. WLAN 802.11 b PHY IP Core

SeaSolve's 802.11b PHY Layer is a HDL Implementation and it reduces development time and is easy to integrate with other layers. The IP supports DBPSK,DQPSK and CCK modulation schemes to provide data rates of 1, 2, 5.5, and 11 Mbps. The IP functionality is fully verified with SeaSolve's Wireless LAN Validation Platform (WiLANTA), which provides an environment for IEEE 802.11b baseband validation


h. WLAN 802.11 a PHY IP Core

SeaSolve's 802.11a PHY Layer is a HDL Implementation and is a synthesizable core, designed to support all mandatory and optional features as per IEEE 802.11a standard specifications.This programmable core supports rates like 6, 9, 12, 18, 24, 36, 48 & 54 Mbits/s.


i. Viterbi Encoder-Decoder

Viterbi decoding or convolutional decoding is a type of forward error correction algorithm. SeaSolve's High-perfornamce, low power Viterbi decoder VHDL IP is highly parameterizable and supports the parameters such as number of coded bits, traceback length, constraint length, number of soft decision bits, precision of branch metric accumulation, polynomial of each coded bits and puncturing rates. Viterbi decoders are usually implemented on XXXX. It provides a maximum throughput of more than XXX Mbits/s and consumes the least number of logic elements. It supports error correction for both continuous and burst errors. Versatile test bench is included with the viterbi decoder which lets the user to insert noise at any desired point.



RS codes are block codes especially used for forward error correction purposes. Reed-Solomon (RS) decoders are key components in digital communication systems such as Storage devices, Disk Drives, Digital video Camera, Wireless broadband systems, Wireless modems, Satellite communication and Broadcast equipments.


k. AES IP Core

SeaSolve’s high performance Advanced Encryption Standard (AES) IP core implements Rijndael encryption and decryption algorithm and satisfies Federal Information Processing Standard (FIPS) Publication 197 from the US National Institute of Standards and Technology (NIST).


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