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- W4288093479 abstract "Code division multiplexing (CDM)-based random access is used in many practical wireless systems. With CDM-based random access, a set of sequences is reserved for random access. A remote station transmits a random access packet using a randomly selected sequence among the set. If more than one remote stations transmit random access packets using the same sequence simultaneously, performance degrades due to sequence collision. In addition, if more than one remote stations transmit random access packets using different sequences simultaneously, performance also degrades due to interference. Therefore, the performance of CDM-based random access is dependent on both sequence collision and interference. There has been no previous research to analyze the performance of CDM-based random access considering both sequence collision and interference. In this paper, throughput of CDM-based random access is investigated considering both sequence collision and interference based on a signal to interference plus noise ratio (SINR) capture model. Analysis and numerical simulation compare the throughputs of several random access schemes including conventional and channel-adaptive random access. The results show that channel-adaptive random access can achieve significantly higher throughput than conventional random access. In addition, based on the results of this paper, it is possible to analyze the trade-off between the throughput and implementation complexity with increased number of sequences." @default.
- W4288093479 created "2022-07-28" @default.
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- W4288093479 date "2019-10-10" @default.
- W4288093479 modified "2023-09-26" @default.
- W4288093479 title "Throughput of CDM-based Random Access With SINR Capture" @default.
- W4288093479 doi "https://doi.org/10.48550/arxiv.1910.04941" @default.
- W4288093479 hasPublicationYear "2019" @default.
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