RECEIVER FOR A WIRELESS TELECOMMUNICATION SYSTEM WITH A CHANNEL DEINTERLEAVER

1 . A receiver for wireless broadband telecommunication transmissions, the receiver comprising:

a channel deinterleaver memory for receiving interleaved soft symbols and outputting deinterleaved soft symbols;

an LLR computation module coupled to said channel deinterleaver memory for receiving said deinterleaved soft symbols and calculating LLRs therefor;

a descrambler coupled to said LLR computation module, said descrambler utilizing an interleaved scrambling sequence for descrambling said LLRs.

2 . The receiver according to claim 1 , further comprising:

a HARQ combining and rate matching module coupled to said descrambler;

a HARQ memory coupled to said HARQ combining and rate matching module; and

a FEC decoder coupled to said HARQ combining and rate matching module.

3 . The receiver according to claim 1 , further comprising an interleaved scrambling sequence generator coupled to said descrambler for generating said interleaved scrambling sequence and providing it to said descrambler.

4 . The receiver according to claim 2 , further comprising an interleaved scrambling sequence generator coupled to said descrambler for generating said interleaved scrambling sequence and providing it to said descrambler.

5 . The receiver according to claim 1 , further comprising a demodulator for performing channel estimation and correction, Carrier Frequency Offset (CFO) and Sampling Timing Offset (STO) estimation and correction, and for outputting said interleaved soft symbols.

6 . A method for decoding received encoded transmitted signals in a receiver for wireless broadband telecommunication transmissions, the method comprising:

applying channel deinterleaving on interleaved soft symbols representing the transmitted signals;

calculating LLR values of said deinterleaved soft symbols; and

descrambling said LLR values using an interleaved scrambling sequence.

7 . The method according to claim 6 , further comprising demodulating the received transmitted signals by performing channel estimation and correction, Carrier Frequency Offset (CFO) and Sampling Timing Offset (STO) estimation and correction, and to generate said interleaved soft symbols.

8 . The method according to claim 6 where the transmitted signals include Multiple In Multiple Out (MIMO) multi-stream transmissions with horizontal encoding in the transmitter, the method further comprising:

performing said steps of applying through descrambling on each MIMO stream independently.

9 . The method according to claim 6 where the transmitted signals include Multiple In Multiple Out (MIMO) multi-stream transmissions with vertical encoding in the transmitter,

the method further comprising performing said step of deinterleaving through descrambling jointly on the combined MIMO streams; and

wherein said step of descrambling includes descrambling said LLR values using a multi-stream interleaved scrambling sequence.

10 . A method for decoding encoded and modulated transmitted signals in a receiver for wireless broadband telecommunication transmissions, the method comprising:

storing demodulated interleaved soft symbols in a channel deinterleaver memory in a received order;

reading said soft symbols in a deinterleaved order;

calculating LLRs of said deinterleaved soft symbols;

generating an interleaved scrambling sequence;

descrambling said LLRs by applying said interleaved scrambling sequence to said LLRs; and

decoding said descrambled LLRs in a FEC decoder.

11 . The method according to claim 10 , further comprising:

coupling a HARQ memory to said descrambler; and

performing HARQ combining, using LLRs, stored in said HARQ memory, of previous transmissions of the transmitted signals, on said descrambled LLRs, and

performing rate matching on said post-combining LLRs, before said step of decoding.