The scheduling algorithm is one of the key technologies in lte advanced system. Noma with index modulation for uplink urllc through grantfree access. Pdf a novel downlink semipersistent packet scheduling scheme. Performance analysis of sensingbased semipersistent. A prescheduling mechanism in lte handover for streaming video. A semipersistent scheduling algorithm for voip in lte. Lte downlink and uplink transmissions are organized into radio frames. A novel downlink semipersistent packet scheduling scheme for volte traffic over heterogeneous wireless networks myasar r. Request pdf principle and performance of semipersistent scheduling for voip in. In one study 8, two semipersistent scheduling sps algorithms are proposed to achieve a.
Lte system puts forward semipersistent scheduling sps for new. First, a novel downlink dl semipersistent scheduling scheme is proposed to. Resource allocation algorithm for volte with semipersistent scheduling. Fault tolerant transfer algorithm based on interweaving code in opportunistic networks. Performance modeling and stability of semipersistent scheduling. Deploying ims and sip will provide voip service in an lte network. The ue is now prepared to download the master information block. Rate selection analysis under semipersistent scheduling in lte. A first investigation of congestion control for ltev2x. Semipersistent scheduling sps and decentralized congestion control dcc. Rate selection analysis under semipersistent scheduling. Other schedulers for realtime data transmissions are as follows. Simon sherratt2 abstract longterm evolution lte is becoming the first choice of mobile network operators mnos when constructing a wireless.
Resource allocation algorithm for volte with semipersistent. Volte deployment and the radio access network spirent. 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. The main challenges of effectively supporting voip service in lte system are 1. Research on uplink semipersistent scheduling in lte system. Performance analysis of sensingbased semipersistent scheduling in c v2x networks. Rate selection analysis under semipersistent scheduling in lte networks. Abstract3gpp ltev2x is a recent new cellular technology. Principle and performance of semipersistent scheduling for voip in. 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. Pdf longterm evolution lte is becoming the first choice of mobile.
Semipersistent scheduling for voip traffic in lte is described in jiang et al. 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 novel downlink semipersistent packet scheduling scheme. Nowadays, voice of lte volte is used to support voice. Principle and performance of semipersistent scheduling. This paper presents an effective scheduling scheme called semipersistent scheduling for voip service in lte system.
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