The performance analysis of AF and DF relaying schemes with HARQ protocols are presented in Section 4. Conclusions and recommendations are drawn in Section 5. Different protocols are defined in LTE in order to manage packet retransmissions when they have not been correctly received.
However, such an approach to detecting free bandwidths and efficiently managing forwarding packets is still in its infancy.
In order to use barectf with any device, one needs to implement a client-side API in charge of managing the packets generated by the tool.
Thus, they should manage their packet transmissions efficiently, possibly by reducing the number of control packet transmissions and focusing on data packet transmissions.
This implies an increased number of SIP packets to be managed (original packets and retransmissions), which first experience higher delays (in the order of hundreds of ms, since first retransmission occur after at least 500 ms), and then are discarded (service transaction failure), thus having a nearly constant delay independently on the offered load.
Simulations show that the protocol processor requires increased packet gaps, input buffering, or the use of multiple hardware-multiplexed port processors to manage fragmented packets.
But, to achieve high VoIP capacity, the scheduler must have sufficient time to manage voice packets.
However, this lack of performance can be compensated, to some extent, by multi-core processors that can manage network packets in parallel.
In our system, the MANE is close to the wireless interface and it manages RTP packets transmission to the RLC layer following priority rules.
In addition, HIP hosts (i.e., MN and CN) still establish SA between themselves while S-RVSs only manage mobility packets using an established SA.
