3 GPP TR 36.842,"Study on Small Cell enhancements for E-UTRA and E-UTRAN; Higher layer aspects, V12.0.0," Tech.Rep., Dec. 2013.
3GPP R2-134089, NSN, Nokia Corporation,"PHR for dual connectivity," 3GPP TSG RAN WG2 Meeting #84,San Francisco, USA, Nov. 2013.
3GPP R2-134125, LG Electronics Inc., "PHR in dual connectivity," 3GPP TSG RAN WG2 Meeting #84,San Francisco, USA, Nov. 2013.