Resource allocation algorithm for volte with semipersistent scheduling. Performance analysis of sensingbased semipersistent. Rate selection analysis under semipersistent scheduling in lte. Lte downlink and uplink transmissions are organized into radio frames. Lte system puts forward semipersistent scheduling sps for new.
This paper presents an effective scheduling scheme called semipersistent scheduling for voip service in lte system. Fault tolerant transfer algorithm based on interweaving code in opportunistic networks. Noma with index modulation for uplink urllc through grantfree access. Abstract3gpp ltev2x is a recent new cellular technology.
Resource allocation algorithm for volte with semipersistent. A semipersistent scheduling algorithm for voip in lte. First, a novel downlink dl semipersistent scheduling scheme is proposed to. The ue is now prepared to download the master information block. Semipersistent scheduling sps and decentralized congestion control dcc. Performance modeling and stability of semipersistent scheduling. The main challenges of effectively supporting voip service in lte system are 1. Pdf a novel downlink semipersistent packet scheduling scheme.
With various packetswitched networks coming to the fore, realtime services like voice and video, transmitted traditionally using circuitswitched bearers, can have limited capacity due to the limited availability of resourcegranting control. Volte deployment and the radio access network spirent. Research on uplink semipersistent scheduling in lte system. Deploying ims and sip will provide voip service in an lte network. Principle and performance of semipersistent scheduling.
Semipersistent scheduling for voip traffic in lte is described in jiang et al. Nowadays, voice of lte volte is used to support voice. Simon sherratt2 abstract longterm evolution lte is becoming the first choice of mobile network operators mnos when constructing a wireless. In this paper, a semipersistent scheduling algorithm designed for the voip service in lte advanced system is proposed. The timefrequency resource will be allocated to the users according to the semipersistent scheduling algorithm based on the gain for each user on the certain rb. A prescheduling mechanism in lte handover for streaming video. A novel downlink semipersistent packet scheduling scheme. Lte system schedules the resource by the way of shared, although to get the maximum use of resource, but this way increases the cost on control signal. Rate selection analysis under semipersistent scheduling. Research and solution of semipersistent scheduling. The scheduling algorithm is one of the key technologies in lte advanced system. Performance analysis of sensingbased semipersistent scheduling in c v2x networks. A first investigation of congestion control for ltev2x. Ltev2x release 14 mode 4 simulation module installation procedure.
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