What is UE capability enquiry in rrc?

Answer 1

eNB sends UE capability inquiry to UE to know the UE capability during attach before sending RRCReconfiguration. UE sends UE Capability information to eNB to tell about
1. ROHC profile supported
2. Supported bands
3. Feature group indicators etc
eNB uses these information for configuring measurement object of different band, measurement events (a5 if supported), activating ROHC profile to UE if required.

Comments

please modify UE sends capability information to eNB to tell about

Answer 2

You mean UE network capability or Mobile station class ?

UE Network capability is all the encryption options supported by UE.

Comments

ue network capability

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UE network capability
                                            Length: 4
                                            1... .... = EEA0: Supported
                                            .1.. .... = 128-EEA1: Supported
                                            ..1. .... = 128-EEA2: Supported
                                            ...0 .... = 128-EEA3: Not Supported
                                            .... 0... = EEA4: Not Supported
                                            .... .0.. = EEA5: Not Supported
                                            .... ..0. = EEA6: Not Supported
                                            .... ...0 = EEA7: Not Supported
                                            1... .... = EIA0: Supported
                                            .1.. .... = 128-EIA1: Supported
                                            ..1. .... = 128-EIA2: Supported
                                            ...0 .... = 128-EIA3: Not Supported
                                            .... 0... = EIA4: Not Supported
                                            .... .0.. = EIA5: Not Supported
                                            .... ..0. = EIA6: Not Supported
                                            .... ...0 = EIA7: Not Supported
                                            1... .... = UEA0: Supported
                                            .1.. .... = UEA1: Supported
                                            ..0. .... = UEA2: Not Supported
                                            ...0 .... = UEA3: Not Supported
                                            .... 0... = UEA4: Not Supported
                                            .... .0.. = UEA5: Not Supported
                                            .... ..0. = UEA6: Not Supported
                                            .... ...0 = UEA7: Not Supported
                                            0... .... = UCS2 support (UCS2): The UE has a preference for the default alphabet
                                            .1.. .... = UMTS integrity algorithm UIA1: Supported
                                            ..0. .... = UMTS integrity algorithm UIA2: Not Supported
                                            ...0 .... = UMTS integrity algorithm UIA3: Not Supported
                                            .... 0... = UMTS integrity algorithm UIA4: Not Supported
                                            .... .0.. = UMTS integrity algorithm UIA5: Not Supported
                                            .... ..0. = UMTS integrity algorithm UIA6: Not Supported
                                            .... ...0 = UMTS integrity algorithm UIA7: Not Supported