RIPR

AcronymDefinition
RIPRRifle Integrated Power Rail (Reset, Inc.)
RIPRReal Property Inventory Requirements
RIPRReport In-Process Review
RIPRRequirement In-Process Review
RIPRRead Instruction Page Register (computing)
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References in periodicals archive ?
Therefore, in RIPR, the sender selects the node that has neighbors moving in the direction of the destination as the relay node according to the nodes located on adjacent roads.
RIPR defines each 0 value of [D.sub.1], [D.sub.2], [D.sub.3], and [D.sub.4] to predict the moving directions of the sender's neighbors located on adjacent roads, as shown in Fig.
Therefore, RIPR can predict the moving directions of the nodes within the sender's transmission range on an adjacent road through the value of D([theta]).
In addition, RIPR can estimate whether the sender's neighbors are moving toward the destination using the covariance formula (7).
Therefore, in RIPR, the node that has a neighbor moving in the direction of the destination within the sender's transmission range on an adjacent road is selected as the relay node.
The RIPR algorithm consists of a greedy mode and perimeter mode, similar to GPSR.
In the greedy mode, if a node with a neighbor moving in the direction of the destination does not exist, RIPR forwards in the perimeter mode.
Table 3 shows the perimeter mode algorithm of RIPR.
However, when in perimeter mode, RIPR selects the next relay node taking into consideration the data of 2-hop neighbors of the transmitting node.
In this section, we analyze and compare the performance of the proposed RIPR and the existing GPSR and GPCR using the ns-2 simulator to prove the validity of the RIPR algorithm.
RIPR reduced the probability of the local maximum compared with GPSR and GPCR.
RIPR reduced the local maximum rate compared with GPSR and GPCR because RIPR predicts the positions of relay candidates with the positions of the candidate's neighbors after receiving beacon messages, and estimates the moving directions of nodes.