In B-IDNC (buffered instantly decodable network coding), each receiver can cache the non-instantly coded packets (NIDPs) which contain two wanted of layer for subsequent decoding, so that more be recovered at than traditional coding (IDNC). By employing B-IDNC, we consider a radio access wherein base station (BS) is required to broadcast block set receivers. After completing decoding layer, deliver its from application in order. We minimizing average packet time B-IDNC. For optimization...

Compared with the original instantly decodable network coding (IDNC), buffering IDNC (B-IDNC) can exploit non-instantly packets (NIDPs) containing two unreceiving for subsequent decoding. In this paper, we employ B-IDNC in a fully connected D2D networks (FC-D2D) or partially (PC-D2D) aided HetNet, where devices may simultaneously receive packets, one from cellular interface and other device-to-device (D2D) interface. We establish dual graph which indicate all feasible opportunities,...

The traditional instantly decodable network coding (IDNC) schemes discard the non-instantly packets (NIDPs), which results in loss of useful information. In this letter, we consider a scheme named as buffered (B-IDNC) where each receiving node can cache NIDPs containing two unreceived for subsequent decoding, and give decoding algorithm by utilizing maximum clique. clique is defined subset vertices IDNC graph, be decoded together. We approximate average packet delay minimization problem...

Reconfigurable intelligent surfaces (RIS) is a kind of metamaterial with the ability to regulate and control wireless channels, which can provide additional links for communication systems. Meanwhile, it has low hardware cost, energy consumption, flexible deployment, reconfiguration merits. By combining RIS technology coded relay cooperation, we establish RIS-assisted cooperation based on density parity check (LDPC) product codes, further propose LDPC code encoding method efficient joint...

This paper considers a cooperative wireless network where set of nodes cooperate to relay in parallel the information from source node destination employing decode-and-forward approach. The proposed cooperation takes place two phases. During first phase, broadcasts signals and node. second some are selected forward decoded light given selection scheme. Within same system framework, outage probability diversity-multiplexing tradeoff (DMT) expressions developed for several schemes named as...

This paper considers throughput of an unreliable single-hop broadcast channel by employing random linear network coding technology at the source node. Closed form expressions total for each transmission time slot are derived system and non-systematic coding, respectively. Furthermore, also presented in a recursive manner. These is related to link erasure probability, number subscribers link, packets per generation, field size. We then investigate impact receivers, generation size, size on...

Buffered instantly decodable network coding (B-IDNC) can cache the non-instantly packets (NIDPs) containing two wanted for subsequent decoding. This letter proposes a cross-layer scheme named as rate-aware B-IDNC (RA-B-IDNC) by jointly considering decision at layer and transmission rate adaption physical to minimize average packet decoding delay. Due intractability of considered problem, we approximate it maximizing recovery which is defined ratio total number decoded time. We design graphs...

In this paper, we consider the wireless communication systems where multi-hop Device-to-Device (D2D) networks can coexist with conventional cellular by sharing downlink resource of users (CUs). A multicast data flow is distributed over D2D network coding (NC) be employed at intermediate nodes. To maximize utility flow, formulate a joint optimization problem for while guaranteeing quality-of-service (QoS) regular CUs. We propose subgradient algorithm to solve decomposing it into three...

A multiple unicasts wireless network where paths are available for each unicast is considered. To minimise the total cost which defined as number of transmissions to support given data flows network, general coding (GNC) and active (AGNC) employed. AGNC can exploit more opportunities than GNC by allowing some additional information transmitted recover native from coded ones. The overall minimisation problem be decomposed into two sub-problems: source traffic splitting resolved potential game...

Network coding can be implemented in network layer to achieve the capacity of a network. Cooperative communication is proved promising technique increase coverage cells and combat shadowing effects. In this paper, we consider random coded cooperative networks where two relaying strategies are developed. The exact outage probabilities for considered system employed with developed, respectively.

In this paper, we study the decoding delay reduction problem for instantly decodable network coding (IDNC) with lossy feedback channels. order to characterize uncertainty of reception state due erasure feedback, develop a statistical model matrix, whose elements are employed indicate likelihood status evaluated by sender. The matrix can be updated according Markov model. With established build IDNC graph, which used opportunities among vertices in graph. formulated as maximum weight clique...

Non-orthogonal multiple access (NOMA) is a promising transmission scheme employed at the physical layer to improve spectral efficiency. In this paper, we develop novel cross-layer approach by employing NOMA and instantly decodable network coding (IDNC) in downlink cellular networks. Following approach, two IDNC packets are selected for each transmission, with one designed all receivers other only strong which can employ successive interference cancellation (SIC). The selection, rates...

The cooperative CDMA system proposed in this paper performs two phases of transmission. In phase I, each user node transmits its own information which is received by the base station (BS) as well other nodes; II, partner relays a processed version previous phase. Two iterative detectors are developed at B S to combat multiple access interference (MAI). first one named PDA+LDPC-I detection just latter second PDA+LDPC-II operates both phases. During phase, it firstly eliminates signals...