Release 8
ULnPRB?NRB?116 3GPP TS 36.211 V8.5.0 (2008-12)
m?1m?3m?0m?2nPRB?0m?2m?0m?3m?1
One subframe图5.4.3-1: PUCCH到物理资源块映射
5.5 参考信号
支持两种上行参考信号
- 解调参考信号DM-RS，用于PUSCH或PUCCH传输 - 探测参考信号SRS，与PUSCH或PUCCH传输无关 DM-DS和SRS使用相同的基本序列集。
5.5.1 参考信号序列生成
)Reference signal sequence ru(,?v(n) is defined by a cyclic shift ? of a base sequence ru,v(n) according to
)j?nRS ru(,?ru,v(n),0?n?Mscv(n)?eRSRBmax,ULwhere Msc is the length of the reference signal sequence and1?m?NRB. Multiple reference signal ?mNscsequences are defined from a single base sequence through different values of ?.
Base sequences ru,v(n) are divided into groups, where u??0,1,...,29? is the group number and v is the base sequence
RSRBnumber within the group, such that each group contains one base sequence (v?0) of each length Msc, ?mNscRSRBmax,UL, 6?m?NRB. The sequence group ?mNsc1?m?5 and two base sequences (v?0,1) of each length Mscnumber u and the number v within the group may vary in time as described in Sections 5.5.1.3 and 5.5.1.4,
RSrespectively. The definition of the base sequence ru,v(0),...,ru,v(Msc?1) depends on the sequence lengthMsc.
RBBase sequences of length 3Nsc or larger
RS5.5.1.1
RSRBRS?3NscForMsc, the base sequence ru,v(0),...,ru,v(Msc?1) is given by
RSRS ru,v(n)?xq(nmodNZC),0?n?Mscwhere the qth root Zadoff-Chu sequence is defined by
xq?m??e?j?qm(m?1)RSNZCRS,0?m?NZC?1
with q given by
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Release 8 17 3GPP TS 36.211 V8.5.0 (2008-12)
q??q?12??v?(?1)?2q?RSq?NZC?(u?1)31
RSRSRSThe length NZC of the Zadoff-Chu sequence is given by the largest prime number such thatNZC. ?Msc5.5.1.2
RBBase sequences of length less than 3Nsc
RSRBRSRBFor Msc andMsc, base sequence is given by ?Nsc?2NscRSru,v(n)?ej?(n)?4,0?n?Msc?1
RSRBRSRBwhere the value of ?(n) is given by Table 5.5.1.2-1 and Table 5.5.1.2-2 for Msc and Msc, ?Nsc?2Nscrespectively.
RSRBTable 5.5.1.2-1: Definition of ?(n) for Msc. ?Nscu 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 -1 1 1 -1 -1 1 -1 -3 1 1 -1 3 1 3 -3 3 1 -3 -3 -1 -1 -1 1 1 1 1 1 -3 -1 3 1 1 1 1 3 -3 3 -1 -3 -3 3 1 -3 3 1 -1 3 1 3 3 -3 3 1 1 1 -3 3 -1 3 -3 3 3 -3 1 1 3 -3 -1 3 -1 -1 -1 1 -3 -1 1 1 1 1 1 1 -1 -3 -1 3 3 -3 -3 -3 -3 -3 3 -3 1 -1 -1 -3 -1 1 3 1 -1 1 3 -3 -3 -1 3 1 3 1 1 -3 -3 1 3 -3 -1 3 -1 ?(0),...,?(11) 3 3 -3 1 1 -1 -3 1 -1 3 1 3 -3 -3 -1 -1 1 -3 -3 1 1 -3 -3 -1 3 1 3 -3 -1 -1 3 -1 -1 -1 -1 1 3 -3 -1 -1 -3 3 1 1 3 -1 3 3 1 -1 1 -3 -3 -3 3 3 -3 3 3 -3 1 1 -3 -3 -3 1 1 3 -1 -3 -3 -3 1 1 1 1 3 -3 -3 -1 3 -3 -1 1 -1 3 1 1 3 -1 1 -3 -3 -3 -1 -1 -1 -1 1 1 -1 1 1 3 3 1 3 -3 -3 3 1 -3 3 -1 1 1 -1 -1 -3 3 3 -3 1 1 1 -1 3 1 1 1 -3 3 -3 -1 3 3 -1 3 -1 -3 -1 -3 -3 1 -1 -3 -1 1 3 -3 1 1 -3 -3 -1 3 3 -3 3 1 -3 1 -3 -3 3 1 -1 1 -1 -1 1 1 1 3 -3 -1 3 3 3 3 -3 -3 1 3 1 -3 -3 3 -1 1 3 3 -3 3 -1 -1 3 3 1 -3 -3 -1 -3 -1 -3 -1 -1 -3 -1 1 3 3 -1 -1 3 1 1 1 1 1 -1 3 1 3 1 -3 -1 -1 -3 -1 -1 -3 3 1 1 3 -3 -3 -1 -1
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Release 8 18 3GPP TS 36.211 V8.5.0 (2008-12)
RSRBTable 5.5.1.2-2: Definition of ?(n) for Msc. ?2Nscu 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 -1 -3 3 -1 -1 -3 1 -3 -3 1 -1 1 1 3 -3 -1 -1 1 1 1 -1 -3 -3 -1 1 1 -3 -1 -1 1 3 3 -1 -3 -1 1 1 3 1 1 1 3 3 -1 -3 -1 -3 3 1 3 -3 -3 -1 -1 -1 -1 -1 -3 -3 1 1 -3 3 1 -1 1 -1 3 3 -3 -3 3 3 -1 3 1 3 -1 1 3 3 1 -3 -1 3 1 1 3 -1 -1 -3 -3 3 1 -3 3 -1 -1 -3 3 -3 -3 1 -1 1 -3 -1 3 1 1 -3 1 3 -1 3 -1 3 3 -1 -1 3 -3 1 3 -3 -1 3 -1 1 3 3 -3 1 -1 3 1 -1 3 1 -1 -3 -1 1 3 -1 3 1 1 1 -3 -1 1 1 -3 -1 1 -3 -3 -1 -1 -1 1 1 -3 1 3 -1 -1 -1 -3 -3 1 -1 3 -3 -1 1 1 -3 -1 1 -3 -3 1 1 3 -3 -1 -3 -3 3 3 -1 -1 -3 -3 -1 -3 3 3 -1 -1 -3 3 3 3 -3 3 -1 3 3 -3 3 1 1 1 3 3 3 -1 -1 1 -1 3 3 1 1 1 -1 -1 -1 1 -1 1 -3 1 -1 -1 -1 -1 -3 3 3 -3 3 -3 -3 1 -3 3 -1 -1 1 3 1 -1 1 -1 -3 3 -3 -1 -3 3 -1 1 -1 -3 1 3 3 -1 3 -1 3 1 1 3 3 -3 -3 -3 -3 1 3 -3 -3 -3 1 3 -1 3 -3 3 -1 -1 -3 -1 -1 -1 ?(0),...,?(23) 1 1 3 -1 -1 -3 -1 1 -1 3 -3 -3 3 -1 1 -1 3 3 1 3 -3 1 3 -3 3 -1 3 -1 -3 1 3 1 1 1 3 1 -1 3 -1 3 -3 -3 -1 1 1 3 1 3 3 -3 3 -3 -3 1 -1 -3 -3 -1 1 3 -3 1 -1 3 -1 1 1 1 -1 3 -1 3 1 3 3 1 3 3 -3 1 1 -1 3 3 3 1 3 3 1 1 3 3 3 1 1 -1 -1 1 -1 -1 -3 3 1 3 3 3 3 -1 1 -1 3 1 -3 -1 -1 1 1 1 -3 -1 1 1 -1 3 -1 -1 1 -1 1 1 -3 -3 -3 3 -1 1 1 1 -3 1 -3 -1 -1 3 -1 -3 -3 -3 1 3 1 -1 1 1 -3 3 1 3 -3 1 1 3 3 -1 -1 -1 -1 1 -1 -1 -1 1 1 -1 1 1 3 -3 -3 1 -1 3 1 -1 1 -1 -1 1 -3 -3 -1 3 3 1 -3 -3 1 3 1 -3 3 -1 3 3 1 3 -3 -1 -3 3 1 -3 -1 3 -1 -3 -3 -1 -3 1 1 -1 -1 1 1 -3 -3 -1 1 -1 -1 -1 1 3 1 -3 1 3 3 -3 3 -3 -3 1 -3 3 -1 1 1 -1 3 -3 -3 -3 -3 -1 1 -3 -3 1 1 3 -3 -3 1 1 -1 -3 1 -3 -3 1 -1 1 -3 -3 1 3 -3 1 3 3 3 1 -1 -1 -3 -1 -3 3 -1 3 1 3 -1 1 1 -1 1 1 3 3 -1 -3 1 -3 -1 -3 -3 1 -1 -1 -3 3 3 -3 1 3 3 -1 3 -3 3 1 -1 -3 -3 -3 -1 -1 -3 1 1 -1 -3 -3 3 -1 -3 -3 1 1 -1 -1 1 -3 1 -1 1 3 -3 -1 3 -1 -3 -3 1 -1 3 -1 -1 1 3 -3 -1 1 -1 -1 1 1 -1 -3 -3 -3 1 -3 -3 -1 1 -3 1 1 -1 3 -1 -1 1 -3 -1 1 -3 -3 3 -1 -1 1 -3 1 -3 1 3 1 -1 3 3 -1 -1 -1 -3 -3 -1 -3 -3 3 3 -1 1 -1 -1 3
5.5.1.3
fss according to
Group hopping
The sequence-group number u in slot ns is defined by a group hopping pattern fgh(ns) and a sequence-shift pattern
u?fgh(ns)?fssmod30
There are 17 different hopping patterns and 30 different sequence-shift patterns. Sequence-group hopping can be
enabled or disabled by means of the parameter Group-hopping-enabled provided by higher layers. PUCCH and PUSCH have the same hopping pattern but may have different sequence-shift patterns. The group-hopping pattern fgh(ns) is the same for PUSCH and PUCCH and given by
0??fgh(ns)???????if group hopping is disabled7 c(8ns?i)?2i?mod30if group hopping is enabled?i?0????where the pseudo-random sequence c(i) is defined by section 7.2. The pseudo-random sequence generator shall be initialized with cinitcell??NID??? at the beginning of each radio frame.
30????The sequence-shift pattern fss definition differs between PUCCH and PUSCH.
PUCCHPUCCHcell?NIDmod30. For PUCCH, the sequence-shift pattern fss is given by fss3GPP
Release 8 19 3GPP TS 36.211 V8.5.0 (2008-12)
PUSCHPUSCHPUCCHFor PUSCH, the sequence-shift pattern fss is given by fss?fss??ssmod30, where ?ss??0,1,...,29? is configured by higher layers.
??5.5.1.4 Sequence hopping
RSRBSequence hopping only applies for reference-signals of length Msc. ?6NscRSRBFor reference-signals of length Msc, the base sequence number v within the base sequence group is given by ?6Nscv?0.
RSRBFor reference-signals of length Msc, the base sequence number v within the base sequence group in slot ns ?6Nscis defined by
is disabled and sequence hopping is enabled?c(n)if group hopping v??sotherwise?0where the pseudo-random sequence c(i) is given by section 7.2. The parameter Sequence-hopping-enabled provided by
higher layers determines if sequence hopping is enabled or not. The pseudo-random sequence generator shall be
cell??NID5PUSCHinitialized with cinit?? at the beginning of each radio frame. ??2?fss30????5.5.2
5.5.2.1
5.5.2.1.1
解调参考信号
PUSCH解调参考信号
参考信号序列
The demodulation reference signal sequence rPUSCH??? for PUSCH is defined by
RS)rPUSCHm?Msc?n?ru(,?v?n?
??where
m?0,1RSn?0,...,Msc?1
and
RSPUSCH Msc?Msc)(?)RSSection 5.5.1 defines the sequenceru(,?v(0),...,ru,v(Msc?1).
The cyclic shift ? in a slot nsis given as ? = 2?ncs/12 with
(1)(2)ncs?nDMRS?nDMRS?nPRS(ns)mod12
??where the values of
(2)nDlayers, MRS is given by the cyclic shift for DMRS field in most recent DCI format 0 [3] for the transport block
is given by Table 5.5.2.1.1-2 according to the parameter cyclicShift provided by higher (1)nDMRS(2)nDassociated with the corresponding PUSCH transmission where the values of MRS is given in Table 5.5.2.1.1-1. For a
semi-persistently configured PUSCH transmission on subframe n in the absence of a corresponding PDCCH with a
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DCI Format 0 in subframe n?kPUSCH or a PUSCH transmission associated with a random access response grant,
(2)nDMRS is set to zero where kPUSCH is as defined in section 8 [4]. nPRS(ns) is given by
nPRS(ns)??7i?0ULc(8Nsymb?ns?i)?2i
where the pseudo-random sequence c(i) is defined by section 7.2. The application of c(i) is cell-specific. The pseudo-
cinitrandom sequence generator shall be initialized with
cell??NID5PUSCH????2?fss?30??? at the beginning of each radio frame.
(2)nDTable 5.5.2.1.1-1: Mapping of Cyclic Shift Field in DCI format 0 to MRSValues.
Cyclic Shift Field in DCI format 0 [3] (2)nDMRS 000 001 010 011 100 101 110 111
0 6 3 4 2 8 10 9 Table 5.5.2.1.1-2: Mapping of cyclicShift to
Values. (1)nDMRScyclicShift (1)nDMRS0 1 2 3 4 5 6 7
0 2 3 4 6 8 9 10 5.5.2.1.2 映射到物理资源
The sequence rPUSCH??? shall be multiplied with the amplitude scaling factor ?PUSCH and mapped in sequence starting with rPUSCH(0) to the same set of physical resource blocks used for the corresponding PUSCH transmission defined in
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