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请教一下各位高手：
common H-RNTI是如何产生的呢？
根据3GPP的定义：
The detection of HS-SCCH is based on Common H-RNTI listed in System Information Block type 5 (SIB 5) or System Information Block type 5bis (SIB 5bis). The UE shall select the Common H-RNTI to be used for reception of the RRC CONNECTION SETUP message according to the following rule:
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the UE shall select a Common H-RNTI from the Common H-RNTIs listed in System Information Block type 5 (SIB 5) or System Information Block type 5bis (SIB 5bis) based on "Initial UE Identity" as follows:
"Index of selected Common H-RNTI" = "Initial UE Identity" mod K,
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where K is equal to the number of listed Common H-RNTI. These Common H-RNTIs shall be indexed from 0 to K-1 in the order of their occurrence in SIB 5 or SIB 5bis, and "Index of selected Common H-RNTI" identifies the selected Common H-RNTI. "Initial UE Identity" refers to the Information Element included by the UE into the RRC CONNECTION REQUEST message. In the above formula, the parameter "Initial UE Identity" shall be interpreted as follows, depending on the choice of UE-Id type of the respective IE:
For UE-Id type "IMSI (GSM-MAP)", i.e. the IE is given as sequence of digits of type Integer(0..9), "Initial UE Identity" shall be interpreted as an integer number, where the first digit given in the sequence represents the highest order digit.
For UE-Id types "TMSI and LAI (GSM-MAP)" or "P-TMSI and RAI (GSM-MAP)", only the TMSI or P-TMSI parts given as Bitstring(32) shall be used, and "Initial UE Identity" shall be interpreted as a binary representation of an integer number, where the first bit in the Bitstring represents the highest order bit.
For UE-Id type "IMEI", i.e. the IE is given as sequence of hexadecimal digits of type Integer(0..15), "Initial UE Identity" shall be interpreted as a hexadecimal representation of an integer number, where the first digit given in the sequence represents the highest order digit.
For UE-Id type "IMSI (DS-41)", i.e. the IE is given as octet string, "Initial UE Identity" shall correspond to the decoded decimal representation of the IMSI-S part included in the octet string (see TIA/EIA/IS-2000-5).
For UE-Id types "ESN (DS-41)" or "TMSI (DS-41)", i.e. the IE is given as Bitstring(32), "Initial UE Identity" shall be interpreted as a binary representation of an integer number, where the first bit in the Bitstring represents the highest order bit.
For UE-Id type "IMSI and ESN (DS-41)" only the ESN part shall be used as "Initial UE Identity", as defined above.
After detecting the HS-SCCH with Common H-RNTI, the UE start reception of the corresponding HS-PDSCH(s) TTI.
那么这个 "Index of selected Common H-RNTI" = "Initial UE Identity" mod K 的这个K是2么？指的是common H-RNTI的数量么？通常在SIB5里面的common H-RNTI都是固定的那两个（9B CF 和 37 9E）。
另外这个Initial UE Identity它选用的是哪一个？有没有什么规则？
如果上面的那个"K”就是2的话，那么这个"Index of selected Common H-RNTI"如何算数来呢？
请高手们出来帮忙解答解答啊！
先谢谢了！
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