GSM TS 05.03 interleaving. More...

Files
file	gsm0503_interleaving.h
	GSM TS 05.03 interleaving.

file	gsm0503_interleaving.c

Functions
void	gsm0503_xcch_deinterleave (sbit_t cB, const sbit_t iB)
	De-Interleave burst bits according to TS 05.03 4.1.4. More...

void	gsm0503_xcch_interleave (const ubit_t cB, ubit_t iB)
	Interleave burst bits according to TS 05.03 4.1.4. More...

void	gsm0503_tch_fr_deinterleave (sbit_t cB, const sbit_t iB)
	GSM TCH FR/EFR/AFS De-Interleaving and burst mapping. More...

void	gsm0503_tch_fr_interleave (const ubit_t cB, ubit_t iB)
	GSM TCH FR/EFR/AFS Interleaving and burst mapping. More...

void	gsm0503_tch_hr_deinterleave (sbit_t cB, const sbit_t iB)
	GSM TCH HR/AHS De-Interleaving and burst mapping. More...

void	gsm0503_tch_hr_interleave (const ubit_t cB, ubit_t iB)
	GSM TCH HR/AHS Interleaving and burst mapping. More...

void	gsm0503_mcs1_ul_deinterleave (sbit_t hc, sbit_t dc, const sbit_t *iB)
	Interleave MCS1 UL burst bits according to TS 05.03 5.1.5.2.4. More...

void	gsm0503_mcs1_ul_interleave (const ubit_t hc, const ubit_t dc, ubit_t *iB)
	Interleave MCS1 DL burst bits according to TS 05.03 5.1.5.2.4. More...

void	gsm0503_mcs1_dl_deinterleave (sbit_t u, sbit_t hc, sbit_t dc, const sbit_t iB)
	De-Interleave MCS1 DL burst bits according to TS 05.03 5.1.5.1.5. More...

void	gsm0503_mcs1_dl_interleave (const ubit_t up, const ubit_t hc, const ubit_t dc, ubit_t iB)
	Interleave MCS1 DL burst bits according to TS 05.03 5.1.5.1.5. More...

void	gsm0503_mcs5_ul_deinterleave (sbit_t hc, sbit_t dc, const sbit_t hi, const sbit_t di)
	De-Interleave MCS5 UL burst bits according to TS 05.03 5.1.9.2.4. More...

void	gsm0503_mcs5_ul_interleave (const ubit_t hc, const ubit_t dc, ubit_t hi, ubit_t di)
	Interleave MCS5 UL burst bits according to TS 05.03 5.1.9.2.4. More...

void	gsm0503_mcs5_dl_deinterleave (sbit_t hc, sbit_t dc, const sbit_t hi, const sbit_t di)
	De-Interleave MCS5 UL burst bits according to TS 05.03 5.1.9.1.5. More...

void	gsm0503_mcs5_dl_interleave (const ubit_t hc, const ubit_t dc, ubit_t hi, ubit_t di)
	Interleave MCS5 DL burst bits according to TS 05.03 5.1.9.1.5. More...

void	gsm0503_mcs7_ul_deinterleave (sbit_t hc, sbit_t c1, sbit_t c2, const sbit_t hi, const sbit_t *di)
	De-Interleave MCS7 UL burst bits according to TS 05.03 5.1.11.2.4. More...

void	gsm0503_mcs7_ul_interleave (const ubit_t hc, const ubit_t c1, const ubit_t c2, ubit_t hi, ubit_t *di)
	Interleave MCS7 UL burst bits according to TS 05.03 5.1.11.2.4. More...

void	gsm0503_mcs7_dl_deinterleave (sbit_t hc, sbit_t c1, sbit_t c2, const sbit_t hi, const sbit_t *di)
	De-Interleave MCS7 DL burst bits according to TS 05.03 5.1.11.1.5. More...

void	gsm0503_mcs7_dl_interleave (const ubit_t hc, const ubit_t c1, const ubit_t c2, ubit_t hi, ubit_t *di)
	Interleave MCS7 DL burst bits according to TS 05.03 5.1.11.1.5. More...

void	gsm0503_mcs8_ul_deinterleave (sbit_t hc, sbit_t c1, sbit_t c2, const sbit_t hi, const sbit_t *di)
	De-Interleave MCS8 UL burst bits according to TS 05.03 5.1.12.2.4. More...

void	gsm0503_mcs8_ul_interleave (const ubit_t hc, const ubit_t c1, const ubit_t c2, ubit_t hi, ubit_t *di)
	Interleave MCS8 UL burst bits according to TS 05.03 5.1.12.2.4. More...

void	gsm0503_mcs8_dl_deinterleave (sbit_t hc, sbit_t c1, sbit_t c2, const sbit_t hi, const sbit_t *di)
	De-Interleave MCS8 DL burst bits according to TS 05.03 5.1.12.1.5. More...

void	gsm0503_mcs8_dl_interleave (const ubit_t hc, const ubit_t c1, const ubit_t c2, ubit_t hi, ubit_t *di)
	Interleave MCS8 DL burst bits according to TS 05.03 5.1.12.1.5. More...

void	gsm0503_tch_f96_deinterleave (sbit_t cB, const sbit_t iB)

void	gsm0503_tch_f96_interleave (const ubit_t cB, ubit_t iB)

Detailed Description

GSM TS 05.03 interleaving.

This module contains interleaving / de-interleaving routines for various channel types, as defined in 3GPP TS 05.03 / 45.003.

GSM xCCH interleaving and burst mapping:

Interleaving:

Given 456 coded input bits, form 4 blocks of 114 bits:

 i(B, j) = c(n, k)       k = 0, ..., 455
                         n = 0, ..., N, N + 1, ...
                         B = B_0 + 4n + (k mod 4)
                         j = 2(49k mod 57) + ((k mod 8) div 4)

Mapping on Burst:

 e(B, j) = i(B, j)
 e(B, 59 + j) = i(B, 57 + j)     j = 0, ..., 56
 e(B, 57) = h_l(B)
 e(B, 58) = h_n(B)

Where hl(B) and hn(B) are bits in burst B indicating flags.

GSM TCH HR/AHS interleaving and burst mapping:

Interleaving:

Given 288 coded input bits, form 4 blocks of 114 bits, where even bits of the first 2 blocks and odd bits of the last 2 blocks are used:

 i(B, j) = c(n, k)       k = 0, ..., 227
                         n = 0, ..., N, N + 1, ...
                         B = B_0 + 2n + b
                         j, b = table[k];

Mapping on Burst:

 e(B, j) = i(B, j)
 e(B, 59 + j) = i(B, 57 + j)     j = 0, ..., 56
 e(B, 57) = h_l(B)
 e(B, 58) = h_n(B)

Where hl(B) and hn(B) are bits in burst B indicating flags.

Function Documentation

◆ gsm0503_mcs1_dl_deinterleave()

void gsm0503_mcs1_dl_deinterleave	(	sbit_t *	u,
		sbit_t *	hc,
		sbit_t *	dc,
		const sbit_t *	iB
	)

De-Interleave MCS1 DL burst bits according to TS 05.03 5.1.5.1.5.

Parameters

[out]	u	caller-allocated output buffer for 12 soft coded bits
[out]	hc	caller-allocated output buffer for 68 soft coded bits
[out]	dc	caller-allocated output buffer for 372 soft coded bits
[in]	iB	452 interleaved soft input bits

References c, gsm0503_xcch_deinterleave(), k, and u.

◆ gsm0503_mcs1_dl_interleave()

void gsm0503_mcs1_dl_interleave	(	const ubit_t *	up,
		const ubit_t *	hc,
		const ubit_t *	dc,
		ubit_t *	iB
	)

Interleave MCS1 DL burst bits according to TS 05.03 5.1.5.1.5.

Parameters

[in]	up	12 input soft coded bits (usf)
[in]	hc	68 input soft coded bits (header)
[in]	dc	372 input soft bits (data)
[out]	iB	456 interleaved soft output bits

References c, gsm0503_xcch_interleave(), and k.

Referenced by egprs_type3_map().

◆ gsm0503_mcs1_ul_deinterleave()

void gsm0503_mcs1_ul_deinterleave	(	sbit_t *	hc,
		sbit_t *	dc,
		const sbit_t *	iB
	)

Interleave MCS1 UL burst bits according to TS 05.03 5.1.5.2.4.

Parameters

[out]	hc	caller-allocated output buffer for 80 soft coded header bits
[out]	dc	caller-allocated output buffer for 372 soft coded data bits
[in]	iB	456 interleaved soft input bits

References c, gsm0503_xcch_deinterleave(), and k.

Referenced by egprs_type3_unmap().

◆ gsm0503_mcs1_ul_interleave()

void gsm0503_mcs1_ul_interleave	(	const ubit_t *	hc,
		const ubit_t *	dc,
		ubit_t *	iB
	)

Interleave MCS1 DL burst bits according to TS 05.03 5.1.5.2.4.

Parameters

[in]	hc	80 input coded bits (header)
[in]	dc	372 input bits (data)
[out]	iB	456 interleaved output bits

References c, gsm0503_xcch_interleave(), and k.

◆ gsm0503_mcs5_dl_deinterleave()

void gsm0503_mcs5_dl_deinterleave	(	sbit_t *	hc,
		sbit_t *	dc,
		const sbit_t *	hi,
		const sbit_t *	di
	)

De-Interleave MCS5 UL burst bits according to TS 05.03 5.1.9.1.5.

Parameters

[out]	hc	caller-allocated output buffer for 100 soft coded header bits
[out]	dc	caller-allocated output buffer for 1248 soft coded data bits
[in]	iB	interleaved soft input bits

References gsm0503_interleave_mcs5, and k.

◆ gsm0503_mcs5_dl_interleave()

void gsm0503_mcs5_dl_interleave	(	const ubit_t *	hc,
		const ubit_t *	dc,
		ubit_t *	hi,
		ubit_t *	di
	)

Interleave MCS5 DL burst bits according to TS 05.03 5.1.9.1.5.

Parameters

[in]	hc	100 soft coded header input bits
[in]	dc	1248 soft coded data input bits
[out]	hi	100 interleaved header output bits
[out]	di	1248 interleaved data output bits

References gsm0503_interleave_mcs5, and k.

Referenced by egprs_type2_map().

◆ gsm0503_mcs5_ul_deinterleave()

void gsm0503_mcs5_ul_deinterleave	(	sbit_t *	hc,
		sbit_t *	dc,
		const sbit_t *	hi,
		const sbit_t *	di
	)

De-Interleave MCS5 UL burst bits according to TS 05.03 5.1.9.2.4.

Parameters

[out]	hc	caller-allocated output buffer for 136 soft coded header bits
[out]	dc	caller-allocated output buffer for 1248 soft coded data bits
[in]	iB	interleaved soft input bits

References gsm0503_interleave_mcs5, and k.

Referenced by egprs_type2_unmap().

◆ gsm0503_mcs5_ul_interleave()

void gsm0503_mcs5_ul_interleave	(	const ubit_t *	hc,
		const ubit_t *	dc,
		ubit_t *	hi,
		ubit_t *	di
	)

Interleave MCS5 UL burst bits according to TS 05.03 5.1.9.2.4.

Parameters

[in]	hc	136 soft coded header input bits
[in]	dc	1248 soft coded data input bits
[out]	hi	136 interleaved header output bits
[out]	di	1248 interleaved data output bits

References gsm0503_interleave_mcs5, and k.

◆ gsm0503_mcs7_dl_deinterleave()

void gsm0503_mcs7_dl_deinterleave	(	sbit_t *	hc,
		sbit_t *	c1,
		sbit_t *	c2,
		const sbit_t *	hi,
		const sbit_t *	di
	)

De-Interleave MCS7 DL burst bits according to TS 05.03 5.1.11.1.5.

Parameters

[out]	hc	caller-allocated output buffer for 124 soft coded header bits
[out]	c1	caller-allocated output buffer for 612 soft coded data bits
[out]	c2	caller-allocated output buffer for 612 soft coded data bits
[in]	hi	interleaved soft input header bits
[in]	di	interleaved soft input data bits

References k.

◆ gsm0503_mcs7_dl_interleave()

void gsm0503_mcs7_dl_interleave	(	const ubit_t *	hc,
		const ubit_t *	c1,
		const ubit_t *	c2,
		ubit_t *	hi,
		ubit_t *	di
	)

Interleave MCS7 DL burst bits according to TS 05.03 5.1.11.1.5.

Parameters

[in]	hc	124 soft coded header input bits
[in]	c1	612 soft coded data input bits
[in]	c2	612 soft coded data input bits
[out]	hi	124 interleaved header output bits
[out]	di	1224 interleaved data output bits

References k.

Referenced by egprs_type1_map().

◆ gsm0503_mcs7_ul_deinterleave()

void gsm0503_mcs7_ul_deinterleave	(	sbit_t *	hc,
		sbit_t *	c1,
		sbit_t *	c2,
		const sbit_t *	hi,
		const sbit_t *	di
	)

De-Interleave MCS7 UL burst bits according to TS 05.03 5.1.11.2.4.

Parameters

[out]	hc	caller-allocated output buffer for 160 soft coded header bits
[out]	c1	caller-allocated output buffer for 612 soft coded data bits
[out]	c2	caller-allocated output buffer for 612 soft coded data bits
[in]	hi	interleaved soft input header bits
[in]	di	interleaved soft input data bits

References k.

Referenced by egprs_type1_unmap().

◆ gsm0503_mcs7_ul_interleave()

void gsm0503_mcs7_ul_interleave	(	const ubit_t *	hc,
		const ubit_t *	c1,
		const ubit_t *	c2,
		ubit_t *	hi,
		ubit_t *	di
	)

Interleave MCS7 UL burst bits according to TS 05.03 5.1.11.2.4.

Parameters

[in]	hc	124 soft coded header input bits
[in]	c1	612 soft coded data input bits
[in]	c2	612 soft coded data input bits
[out]	hi	124 interleaved header output bits
[out]	di	1224 interleaved data output bits

References k.

◆ gsm0503_mcs8_dl_deinterleave()

void gsm0503_mcs8_dl_deinterleave	(	sbit_t *	hc,
		sbit_t *	c1,
		sbit_t *	c2,
		const sbit_t *	hi,
		const sbit_t *	di
	)

De-Interleave MCS8 DL burst bits according to TS 05.03 5.1.12.1.5.

Parameters

[out]	hc	caller-allocated output buffer for 124 soft coded header bits
[out]	c1	caller-allocated output buffer for 612 soft coded data bits
[out]	c2	caller-allocated output buffer for 612 soft coded data bits
[in]	hi	interleaved soft input header bits
[in]	di	interleaved soft input data bits

References k.

◆ gsm0503_mcs8_dl_interleave()

void gsm0503_mcs8_dl_interleave	(	const ubit_t *	hc,
		const ubit_t *	c1,
		const ubit_t *	c2,
		ubit_t *	hi,
		ubit_t *	di
	)

Interleave MCS8 DL burst bits according to TS 05.03 5.1.12.1.5.

Parameters

[in]	hc	124 soft coded header input bits
[in]	c1	612 soft coded data input bits
[in]	c2	612 soft coded data input bits
[out]	hi	124 interleaved header output bits
[out]	di	1224 interleaved data output bits

References k.

Referenced by egprs_type1_map().

◆ gsm0503_mcs8_ul_deinterleave()

void gsm0503_mcs8_ul_deinterleave	(	sbit_t *	hc,
		sbit_t *	c1,
		sbit_t *	c2,
		const sbit_t *	hi,
		const sbit_t *	di
	)

De-Interleave MCS8 UL burst bits according to TS 05.03 5.1.12.2.4.

Parameters

[out]	hc	caller-allocated output buffer for 160 soft coded header bits
[out]	c1	caller-allocated output buffer for 612 soft coded data bits
[out]	c2	caller-allocated output buffer for 612 soft coded data bits
[in]	hi	interleaved soft input header bits
[in]	di	interleaved soft input data bits

References k.

Referenced by egprs_type1_unmap().

◆ gsm0503_mcs8_ul_interleave()

void gsm0503_mcs8_ul_interleave	(	const ubit_t *	hc,
		const ubit_t *	c1,
		const ubit_t *	c2,
		ubit_t *	hi,
		ubit_t *	di
	)

Interleave MCS8 UL burst bits according to TS 05.03 5.1.12.2.4.

Parameters

[in]	hc	160 soft coded header input bits
[in]	c1	612 soft coded data input bits
[in]	c2	612 soft coded data input bits
[out]	hi	160 interleaved header output bits
[out]	di	1224 interleaved data output bits

References k.

◆ gsm0503_tch_f96_deinterleave()

void gsm0503_tch_f96_deinterleave	(	sbit_t *	cB,
		const sbit_t *	iB
	)

References B, and k.

Referenced by gsm0503_tch_fr144_decode(), gsm0503_tch_fr48_decode(), gsm0503_tch_fr96_decode(), and gsm0503_tch_hr24_decode().

◆ gsm0503_tch_f96_interleave()

void gsm0503_tch_f96_interleave	(	const ubit_t *	cB,
		ubit_t *	iB
	)

References B, and k.

Referenced by gsm0503_tch_fr144_encode(), gsm0503_tch_fr48_encode(), gsm0503_tch_fr96_encode(), and gsm0503_tch_hr24_encode().

◆ gsm0503_tch_fr_deinterleave()

void gsm0503_tch_fr_deinterleave	(	sbit_t *	cB,
		const sbit_t *	iB
	)

GSM TCH FR/EFR/AFS De-Interleaving and burst mapping.

Parameters

[out]	cB	caller-allocated buffer for 456 unpacked output bits
[in]	iB	456 unpacked interleaved input bits

References B, and k.

Referenced by gsm0503_tch_afs_decode_dtx(), gsm0503_tch_ahs_decode_dtx(), gsm0503_tch_fr24_decode(), gsm0503_tch_fr_decode(), gsm0503_tch_fr_facch_decode(), gsm0503_tch_hr_decode2(), and gsm0503_tch_hr_facch_decode().

◆ gsm0503_tch_fr_interleave()

void gsm0503_tch_fr_interleave	(	const ubit_t *	cB,
		ubit_t *	iB
	)

GSM TCH FR/EFR/AFS Interleaving and burst mapping.

Parameters

[in]	cB	caller-allocated buffer for 456 unpacked input bits
[out]	iB	456 unpacked interleaved output bits

References B, and k.

Referenced by gsm0503_tch_afs_encode(), gsm0503_tch_ahs_encode(), gsm0503_tch_fr24_encode(), gsm0503_tch_fr_encode(), gsm0503_tch_fr_facch_encode(), gsm0503_tch_hr_encode(), and gsm0503_tch_hr_facch_encode().

◆ gsm0503_tch_hr_deinterleave()

void gsm0503_tch_hr_deinterleave	(	sbit_t *	cB,
		const sbit_t *	iB
	)

GSM TCH HR/AHS De-Interleaving and burst mapping.

Parameters

[out]	cB	caller-allocated buffer for 228 unpacked output bits
[in]	iB	228 unpacked interleaved input bits

References B, gsm0503_tch_hr_interleaving, and k.

Referenced by gsm0503_tch_ahs_decode_dtx(), and gsm0503_tch_hr_decode2().

◆ gsm0503_tch_hr_interleave()

void gsm0503_tch_hr_interleave	(	const ubit_t *	cB,
		ubit_t *	iB
	)

GSM TCH HR/AHS Interleaving and burst mapping.

Parameters

[in]	cB	caller-allocated buffer for 228 unpacked input bits
[out]	iB	228 unpacked interleaved output bits

References B, gsm0503_tch_hr_interleaving, and k.

Referenced by gsm0503_tch_ahs_encode(), and gsm0503_tch_hr_encode().

◆ gsm0503_xcch_deinterleave()

void gsm0503_xcch_deinterleave	(	sbit_t *	cB,
		const sbit_t *	iB
	)

De-Interleave burst bits according to TS 05.03 4.1.4.

Parameters

[out]	cB	caller-allocated output buffer for 456 soft coded bits
[in]	iB	456 soft input bits

References B, and k.

Referenced by gsm0503_mcs1_dl_deinterleave(), gsm0503_mcs1_ul_deinterleave(), gsm0503_pdtch_decode(), and gsm0503_xcch_decode().

◆ gsm0503_xcch_interleave()

void gsm0503_xcch_interleave	(	const ubit_t *	cB,
		ubit_t *	iB
	)

Interleave burst bits according to TS 05.03 4.1.4.

Parameters

[out]	iB	caller-allocated output buffer for 456 soft interleaved bits
[in]	cB	456 soft input coded bits

References B, and k.

Referenced by gsm0503_mcs1_dl_interleave(), gsm0503_mcs1_ul_interleave(), gsm0503_pdtch_encode(), and gsm0503_xcch_encode().

Files

Functions

Detailed Description

Function Documentation

◆ gsm0503_mcs1_dl_deinterleave()

◆ gsm0503_mcs1_dl_interleave()

◆ gsm0503_mcs1_ul_deinterleave()

◆ gsm0503_mcs1_ul_interleave()

◆ gsm0503_mcs5_dl_deinterleave()

◆ gsm0503_mcs5_dl_interleave()

◆ gsm0503_mcs5_ul_deinterleave()

◆ gsm0503_mcs5_ul_interleave()

◆ gsm0503_mcs7_dl_deinterleave()

◆ gsm0503_mcs7_dl_interleave()

◆ gsm0503_mcs7_ul_deinterleave()

◆ gsm0503_mcs7_ul_interleave()

◆ gsm0503_mcs8_dl_deinterleave()

◆ gsm0503_mcs8_dl_interleave()

◆ gsm0503_mcs8_ul_deinterleave()

◆ gsm0503_mcs8_ul_interleave()

◆ gsm0503_tch_f96_deinterleave()

◆ gsm0503_tch_f96_interleave()

◆ gsm0503_tch_fr_deinterleave()

◆ gsm0503_tch_fr_interleave()

◆ gsm0503_tch_hr_deinterleave()

◆ gsm0503_tch_hr_interleave()

◆ gsm0503_xcch_deinterleave()

◆ gsm0503_xcch_interleave()