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Communications Toolbox Release Notes Compatibility Summary

This table summarizes new features and changes that might cause incompatibilities when you upgrade from an earlier version, or when you use files on multiple versions. Details are provided in the description of the new feature or change.

Version (Release)	New Features and Changes with Version Compatibility Impact
Latest Version V4.4 (R2009b)	See the Compatibility Considerations subheading for each of these new features or changes: Channel Objects Support Parallel Computing Toolbox Functions and Function Elements Being Removed
V4.3 (R2009a)	See the Compatibility Considerations subheading for each of these new features or changes: commsrc.package now supports PN sequence generation
V4.2 (R2008b)	None
V4.1 (R2008a)	None
V4.0 (R2007b)	None
V3.5 (R2007a)	See the Compatibility Considerations subheading for each of these new features or changes: Theoretical Results Refined for berawgn, berfading, and BERTool
V3.4 (R2006b)	See the Compatibility Considerations subheading for each of these new features or changes: Object-Based PSK and QAM Modulation and Demodulation QAM and PSK Modulation and Demodulation Functions Obsoleted
V3.3 (R2006a)	None
V3.2 (R14SP3)	None
V3.1 (R14SP2)	See the Compatibility Considerations subheading for each of these new features or changes: gfrank encode, decode, and quantiz
V3.0.1 (R14SP1)	None
V3.0 (R14)	See the Compatibility Considerations subheading for each of these new features or changes: Updating Existing Modulation M-Code Updating Existing BCH M-Code Changes in Functionality Obsolete Functions
V2.1 (R13)	See the Compatibility Considerations subheading for each of these new features or changes: Updating Existing Galois Field Code Updating Existing Reed-Solomon M-Code Changes in Functionality Obsolete Functions
V2.0 (R12)	See the Compatibility Considerations subheading for each of these new features or changes: Changes in Functionality Obsolete Functions

Version 2.0 (R12) Communications Toolbox Software

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